What is the cheapest airline that flies from Boston Logan Intl to Madrid Barajas?

TAP AIR PORTUGAL, United Airlines, and JetBlue are the most popular carriers operating from Boston Logan Intl to Madrid Barajas

Which airport is the most popular layover for flights between Boston and Madrid?

Lisbon (LIS) was the most common stop: 88% of momondo users choosing one-stop flights on this route connected there.

Which layover airport has the shortest connection time from Boston to Madrid?

Montreal (YUL) has the shortest average layover time for this route: 2h 16m.

How many flights depart from Boston to Madrid on average per week?

The number of flights available between Boston and Madrid is 28 per week as of November 2025. The most frequent departure day is Mon, with 21% of weekly flights leaving on this day.

How often are flights from Boston to Madrid delayed?

Historically, on average around 8% of flights between Boston and Madrid have experienced a delay on any given week. The average delay length over the past 12 months has been 136 minutes.

What is the most punctual flight time for Boston to Madrid flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

How many flights depart from Boston to Madrid on average per day?

As of November 2025, 4 flights take off from Boston and land in Madrid each day. The most common flight departure time for this route is 9:00p.m., with 77% of daily flights taking off in the evening.

Which layover airport has the shortest travel time from Boston to Madrid?

Flights connecting via Lisbon (LIS) have the shortest average one-way travel time: 9h 21m.

Which airline has the best punctuality record on Boston to Madrid flights?

According to our data, Iberia has had the least delays on this route over the last 12 months, with about 6% of their flights experiencing any sort of delay.

Which layover airport offers the lowest fares from Boston to Madrid?

Flights via Montreal (YUL) offer the lowest average round-trip price of C$ 565.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

When did momondo last update prices for flights from Boston Logan Intl Airport to Madrid Barajas Airport?

Prices for flights from Boston Logan Intl Airport to Madrid Barajas Airport are updated daily.

How many operators does momondo search for flights from Boston Logan Intl Airport to Madrid Barajas Airport?

There is 1 operator available for flights from Boston Logan Intl Airport to Madrid Barajas Airport as of November 2025.

How old do you have to be to fly from Boston Logan Intl Airport to Madrid Barajas Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Madrid Barajas Airport.

What documentation or ID do you need to fly to Madrid Barajas Airport?

The necessary travel and health documents for your Madrid Barajas Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 399 Cheap Flights from Boston to Madrid in 2025/26

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Boston to Madrid

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:03 a.m. - 8:00 a.m.BOS-MAD

15h 57m1 stop

10:00 a.m. - 3:53 p.m.MAD-BOS

11h 53m1 stop

C$ 534Delta

Find Deal

Fri, 16 Jan - Fri, 23 Jan

3:40 p.m. - 8:00 a.m.BOS-MAD

10h 20m1 stop

6:25 a.m. - 6:57 p.m.MAD-BOS

18h 32m2 stops

C$ 539United Airlines

Find Deal

Wed, 28 Jan - Wed, 4 Feb

6:05 a.m. - 8:00 a.m.BOS-MAD

19h 55m2 stops

6:00 a.m. - 6:33 p.m.MAD-BOS

18h 33m2 stops

C$ 541United Airlines

Find Deal

Sun, 30 Nov - Thu, 11 Dec

4:20 p.m. - 4:00 p.m.BOS-MAD

17h 40m1 stop

1:35 p.m. - 11:49 p.m.MAD-BOS

40h 14m2 stops

C$ 542United Airlines

Find Deal

Wed, 7 Jan - Tue, 20 Jan

2:00 p.m. - 8:00 a.m.BOS-MAD

12h 00m1 stop

10:00 a.m. - 5:22 p.m.MAD-BOS

13h 22m1 stop

C$ 544Delta

Find Deal

Fri, 30 Jan - Tue, 17 Feb

10:30 a.m. - 8:00 a.m.BOS-MAD

15h 30m2 stops

6:25 a.m. - 5:19 p.m.MAD-BOS

16h 54m2 stops

C$ 545United Airlines

Find Deal

Mon, 19 Jan - Wed, 4 Feb

3:40 p.m. - 8:00 a.m.BOS-MAD

10h 20m1 stop

1:35 p.m. - 6:48 p.m.MAD-BOS

35h 13m2 stops

C$ 548United Airlines

Find Deal

Thu, 27 Nov - Fri, 5 Dec

8:50 p.m. - 8:00 a.m.BOS-MAD

29h 10m1 stop

10:00 a.m. - 7:33 a.m.MAD-BOS

27h 33m1 stop

C$ 551Delta

Find Deal

Thu, 15 Jan - Tue, 20 Jan

10:15 a.m. - 7:00 a.m.BOS-MAD

15h 45m1 stop

12:35 p.m. - 7:37 p.m.MAD-BOS

36h 02m2 stops

C$ 553United Airlines

Find Deal

Tue, 10 Mar - Tue, 17 Mar

6:40 p.m. - 8:00 a.m.BOS-MAD

31h 20m1 stop

1:45 p.m. - 1:25 p.m.MAD-BOS

29h 40m1 stop

C$ 558United Airlines

Find Deal

Sat, 29 Nov - Mon, 8 Dec

Finnair flights from Boston to Madrid

Our best Finnair deals on Boston to Madrid flight tickets

Finnair

10 Dec

BOS9:20 p.m.Boston Logan Intl

7h 00m

MAD10:20 a.m.Madrid Barajas

14 Jan

MAD1:00 p.m.Madrid Barajas

15h 56m

1 stop

BOS10:56 p.m.Boston Logan Intl

C$ 594

Find similar

Finnair

23 Nov

BOS9:20 p.m.Boston Logan Intl

7h 00m

MAD10:20 a.m.Madrid Barajas

12 Jan

MAD5:05 p.m.Madrid Barajas

8h 45m

BOS7:50 p.m.Boston Logan Intl

C$ 720

Find similar

Finnair

23 Nov

BOS9:20 p.m.Boston Logan Intl

7h 00m

MAD10:20 a.m.Madrid Barajas

3 Dec

MAD5:05 p.m.Madrid Barajas

8h 45m

BOS7:50 p.m.Boston Logan Intl

C$ 955

Find similar

Delta flights from Boston to Madrid

Our best Delta deals on Boston to Madrid flight tickets

Delta

16 Jan

BOS10:03 a.m.Boston Logan Intl

15h 57m

1 stop

MAD8:00 a.m.Madrid Barajas

23 Jan

MAD10:00 a.m.Madrid Barajas

11h 53m

1 stop

BOS3:53 p.m.Boston Logan Intl

C$ 534

Find similar

Delta

30 Jan

BOS2:00 p.m.Boston Logan Intl

12h 00m

1 stop

MAD8:00 a.m.Madrid Barajas

17 Feb

MAD10:00 a.m.Madrid Barajas

13h 22m

1 stop

BOS5:22 p.m.Boston Logan Intl

C$ 544

Find similar

Delta

15 Jan

BOS8:50 p.m.Boston Logan Intl

29h 10m

1 stop

MAD8:00 a.m.Madrid Barajas

20 Jan

MAD10:00 a.m.Madrid Barajas

27h 33m

1 stop

BOS7:33 a.m.Boston Logan Intl

C$ 551

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Fri 16/1

10:03 a.m.-8:00 a.m.

1 stop15h 57m

Madrid Barajas

Fri 23/1

10:00 a.m.-3:53 p.m.

1 stop11h 53m

C$ 534

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Wed 28/1

3:40 p.m.-8:00 a.m.

1 stop10h 20m

Madrid Barajas

Wed 4/2

6:25 a.m.-6:57 p.m.

2 stops18h 32m

C$ 539

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sun 30/11

6:05 a.m.-8:00 a.m.

2 stops19h 55m

Madrid Barajas

Thu 11/12

6:00 a.m.-6:33 p.m.

2 stops18h 33m

C$ 541

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Wed 7/1

4:20 p.m.-4:00 p.m.

1 stop17h 40m

Madrid Barajas

Tue 20/1

1:35 p.m.-11:49 p.m.

2 stops40h 14m

C$ 542

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Fri 30/1

2:00 p.m.-8:00 a.m.

1 stop12h 00m

Madrid Barajas

Tue 17/2

10:00 a.m.-5:22 p.m.

1 stop13h 22m

C$ 544

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Mon 19/1

10:30 a.m.-8:00 a.m.

2 stops15h 30m

Madrid Barajas

Wed 4/2

6:25 a.m.-5:19 p.m.

2 stops16h 54m

C$ 545

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Thu 27/11

3:40 p.m.-8:00 a.m.

1 stop10h 20m

Madrid Barajas

Fri 5/12

1:35 p.m.-6:48 p.m.

2 stops35h 13m

C$ 548

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Thu 15/1

8:50 p.m.-8:00 a.m.

1 stop29h 10m

Madrid Barajas

Tue 20/1

10:00 a.m.-7:33 a.m.

1 stop27h 33m

C$ 551

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Tue 10/3

10:15 a.m.-7:00 a.m.

1 stop15h 45m

Madrid Barajas

Tue 17/3

12:35 p.m.-7:37 p.m.

2 stops36h 02m

C$ 553

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sat 29/11

6:40 p.m.-8:00 a.m.

1 stop31h 20m

Madrid Barajas

Mon 8/12

1:45 p.m.-1:25 p.m.

1 stop29h 40m

C$ 558

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boston to Madrid

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Layovers

Other information

What is the cheapest month to fly to Madrid?

In general, October is the cheapest month to fly from Boston to Madrid. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 672. If you aren’t able to travel during the month of October, then book flights to Madrid from Boston during September instead. Flights to Madrid in September, while not as cheap as those in October, still average around C$ 696.

What is the cheapest day to depart on your flight to Madrid?

Our data shows that Sunday is the least expensive day to fly to Madrid. Tickets to fly out on this day can be as low as C$ 662. On the other hand, Thursday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,536.

What is the cheapest time of day to depart on your flight to Madrid?

According to our data, the cheapest time of day to fly to Madrid is in the evening. momondo users have found flights departing from Boston to Madrid in the evening for as low as C$ 962. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Madrid are more costly in the afternoon, with an average ticket price of C$ 1,003. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Boston Logan Intl to Madrid Barajas flight route?

Fly from Boston Logan Intl to Madrid Barajas for the best Boston Logan Intl - Madrid Barajas flight prices

How far in advance should I book a flight to Madrid?

You are more likely to see cheaper flights to Madrid from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Madrid for around C$ 915 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Madrid from Boston for as low as C$ 843 on momondo.

What cabin class options are available on Boston Logan Intl to Madrid Barajas flights?

There is only 1 cabin class available to choose from on Boston Logan Intl to Madrid Barajas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to Madrid flights?

You could potentially save up to 22% on your flight if you consider stops on a Boston to Madrid flight.

How have Boston to Madrid flight prices changed over time?

As of November 2025, prices for Boston to Madrid flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Madrid

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Madrid according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boston to Madrid (BOS to MAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Madrid

Fastest flight time	7h 00m
Direct flights	Every day
Airports in Madrid	1 airport

The fastest flight from Boston to Madrid takes 7h 00m

Direct flights go from Boston to Madrid every day.

There is 1 airport near Madrid: Madrid Barajas (MAD)

Search flight deals

How far is Boston Logan Intl to Madrid Barajas by plane?
The distance between Boston Logan Intl and Madrid Barajas is about 5466.8 km. 7h 00m is a normal flight duration for this route.
When did momondo last update prices for flights from Boston Logan Intl Airport to Madrid Barajas Airport?
Prices for flights from Boston Logan Intl Airport to Madrid Barajas Airport are updated daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to Madrid Barajas Airport?
There is 1 operator available for flights from Boston Logan Intl Airport to Madrid Barajas Airport as of November 2025.
How old do you have to be to fly from Boston Logan Intl Airport to Madrid Barajas Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Madrid Barajas Airport.
What documentation or ID do you need to fly to Madrid Barajas Airport?
The necessary travel and health documents for your Madrid Barajas Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Boston to Madrid?
Based on momondo bookings for flights between Boston and Madrid, the leading plane model is Airbus A321neo, making up 78.06% of the total bookings. Other popular models include Airbus A330-200 with 5.08%, Airbus A330 with 4.26%, and Airbus A330-300 with 3.51%.
What is the most popular airline from Boston to Madrid?
momondo data reveals that the most frequently booked airline on the route from Boston to Madrid is Iberia, representing 100% of all bookings.

Best airlines flying from Boston to Madrid

Compare and see reviews for airlines that fly from Boston to Madrid with momondo

Airline	Rating	Free Cancellation	Price
Iberia	PriceFrom C$ 437	Free Cancellation	Rating 7.0 3,012 reviews		Search Iberia flights

Iberia Flights From Boston to Madrid
Iberia operates around 4 flights from Boston to Madrid every week. The average price of these flights found in the last 72 hours has been C$ 654, but momondo users have found Iberia deals from Boston to Madrid from as low as C$ 437 round-trip. Iberia has been scored 7.0/10 in 3,012 reviews.

Toledo

Fuenlabrada

Getafe

Segovia

Guadalajara

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Madrid?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Madrid . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Boston to Madrid with flexible booking policies on momondo?

momondo does allow users to show only those flights to Madrid from Boston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Boston to Madrid?

momondo helps you find the best flight between Boston and Madrid by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Boston to Madrid right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Madrid from Boston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Madrid trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sat 13/12

Sat 20/12

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Spain

Fly your favourite airline to Madrid

Iberia

Popular Cities in Spain

Flights to Barcelonafrom C$ 616

Flights to Málagafrom C$ 684

Flights to Palma de Mallorcafrom C$ 734

Flights to Valenciafrom C$ 771

Flights to Alicantefrom C$ 778

Flights to Sevillefrom C$ 714

Flights to Las Palmas de Gran Canariafrom C$ 780

Flights to Santa Cruz de Tenerifefrom C$ 814

Flights to Ibizafrom C$ 821

Flights to Bilbaofrom C$ 714

Flights to Arrecifefrom C$ 810

Flights to Santiago de Compostelafrom C$ 1,003

Cheap flights from Boston to Madrid from C$ 399

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Madrid departing on 7/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Boston to Madrid

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Finnair flights from Boston to Madrid

Our best Finnair deals on Boston to Madrid flight tickets

Delta flights from Boston to Madrid

Our best Delta deals on Boston to Madrid flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Boston to Madrid that are best for you.

See travel insights to Madrid from

How to get the cheapest flight ticket from Boston to Madrid

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Madrid?

What is the cheapest day to depart on your flight to Madrid?

What is the cheapest time of day to depart on your flight to Madrid?

What is the cheapest Boston Logan Intl to Madrid Barajas flight route?

Fly from Boston Logan Intl to Madrid Barajas for the best Boston Logan Intl - Madrid Barajas flight prices

How far in advance should I book a flight to Madrid?

What cabin class options are available on Boston Logan Intl to Madrid Barajas flights?

There is only 1 cabin class available to choose from on Boston Logan Intl to Madrid Barajas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to Madrid flights?

You could potentially save up to 22% on your flight if you consider stops on a Boston to Madrid flight.

How have Boston to Madrid flight prices changed over time?

As of November 2025, prices for Boston to Madrid flights are approximately 13% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Boston Logan Intl to Madrid Barajas?

TAP AIR PORTUGAL, United Airlines, and JetBlue are the most popular carriers operating from Boston Logan Intl to Madrid Barajas

How often are flights from Boston to Madrid delayed?

Historically, on average around 8% of flights between Boston and Madrid have experienced a delay on any given week. The average delay length over the past 12 months has been 136 minutes.

What is the most punctual flight time for Boston to Madrid flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Boston to Madrid flights?

According to our data, Iberia has had the least delays on this route over the last 12 months, with about 6% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Boston and Madrid?

Lisbon (LIS) was the most common stop: 88% of momondo users choosing one-stop flights on this route connected there.

Which layover airport offers the lowest fares from Boston to Madrid?

Flights via Montreal (YUL) offer the lowest average round-trip price of C$ 565.

Which layover airport has the shortest travel time from Boston to Madrid?

Flights connecting via Lisbon (LIS) have the shortest average one-way travel time: 9h 21m.

Which layover airport has the shortest connection time from Boston to Madrid?

Montreal (YUL) has the shortest average layover time for this route: 2h 16m.

How many flights depart from Boston to Madrid on average per day?

As of November 2025, 4 flights take off from Boston and land in Madrid each day. The most common flight departure time for this route is 9:00p.m., with 77% of daily flights taking off in the evening.

How many flights depart from Boston to Madrid on average per week?

The number of flights available between Boston and Madrid is 28 per week as of November 2025. The most frequent departure day is Mon, with 21% of weekly flights leaving on this day.

When to book flights from Boston to Madrid

Cheap Boston to Madrid (BOS to MAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Madrid

Fastest flight time

Direct flights

Airports in Madrid

How far is Boston Logan Intl to Madrid Barajas by plane?

When did momondo last update prices for flights from Boston Logan Intl Airport to Madrid Barajas Airport?

How many operators does momondo search for flights from Boston Logan Intl Airport to Madrid Barajas Airport?

How old do you have to be to fly from Boston Logan Intl Airport to Madrid Barajas Airport?

What documentation or ID do you need to fly to Madrid Barajas Airport?

What is the most popular plane model from Boston to Madrid?

What is the most popular airline from Boston to Madrid?

Best airlines flying from Boston to Madrid

Compare and see reviews for airlines that fly from Boston to Madrid with momondo

Iberia Flights From Boston to Madrid

Travelling to a place near Madrid?

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Madrid?

Can I find flights from Boston to Madrid with flexible booking policies on momondo?

How can momondo help me find flights from Boston to Madrid?

I’m not ready to book a flight from Boston to Madrid right now. Can momondo alert me if prices change?