Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Boston to Madrid from C$ 518

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 30/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Boston to Madrid

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:05 a.m. - 8:05 a.m.
BOS
-
MAD
16h 00m2 stops
United Airlines Logo
6:05 a.m. - 3:40 p.m.
MAD
-
BOS
15h 35m1 stop
C$ 554United Airlines
Mon, 20 Apr - Thu, 30 Apr
United Airlines Logo
6:00 a.m. - 8:00 a.m.
BOS
-
MAD
20h 00m2 stops
United Airlines Logo
1:35 p.m. - 2:52 p.m.
MAD
-
BOS
31h 17m1 stop
C$ 556United Airlines
Thu, 12 Feb - Tue, 17 Feb
United Airlines Logo
9:45 a.m. - 9:15 a.m.
BOS
-
MAD
17h 30m2 stops
United Airlines Logo
1:35 p.m. - 7:12 p.m.
MAD
-
BOS
11h 37m1 stop
C$ 557United Airlines
Sat, 21 Feb - Wed, 4 Mar
British Airways Logo
7:15 p.m. - 2:15 p.m.
BOS
-
MAD
13h 00m1 stop
British Airways Logo
1:15 p.m. - 11:23 p.m.
MAD
-
BOS
16h 08m1 stop
C$ 558British Airways
Wed, 11 Feb - Mon, 23 Feb
British Airways Logo
8:10 p.m. - 1:35 p.m.
BOS
-
MAD
12h 25m1 stop
British Airways Logo
3:25 p.m. - 11:23 p.m.
MAD
-
BOS
13h 58m1 stop
C$ 560British Airways
Sat, 14 Mar - Wed, 1 Apr
United Airlines Logo
1:31 p.m. - 11:45 a.m.
BOS
-
MAD
16h 14m2 stops
United Airlines Logo
11:15 a.m. - 6:45 p.m.
MAD
-
BOS
13h 30m1 stop
C$ 563United Airlines
Wed, 11 Feb - Wed, 18 Feb
Delta Logo
5:05 p.m. - 5:40 p.m.
BOS
-
MAD
18h 35m2 stops
Delta Logo
10:00 a.m. - 10:22 p.m.
MAD
-
BOS
18h 22m1 stop
C$ 564Delta
Tue, 20 Jan - Sun, 25 Jan
British Airways Logo
3:35 p.m. - 12:40 p.m.
BOS
-
MAD
15h 05m2 stops
British Airways Logo
1:15 p.m. - 11:23 p.m.
MAD
-
BOS
16h 08m1 stop
C$ 565British Airways
Wed, 11 Feb - Mon, 23 Feb
British Airways Logo
9:20 p.m. - 10:20 a.m.
BOS
-
MAD
7h 00mdirect
British Airways Logo
12:50 p.m. - 8:45 p.m.
MAD
-
BOS
12h 55m1 stop
C$ 567British Airways
Sun, 1 Feb - Sun, 15 Mar
Delta Logo
8:25 p.m. - 7:35 p.m.
BOS
-
MAD
17h 10m1 stop
Delta Logo
12:40 p.m. - 7:38 p.m.
MAD
-
BOS
12h 58m1 stop
C$ 568Delta
Wed, 1 Apr - Tue, 14 Apr

United Airlines flights from Boston to Madrid

Our best United Airlines deals on Boston to Madrid flight tickets
United Airlines
20 Apr
BOS10:05 a.m.Boston Logan Intl
16h 00m
2 stops
MAD8:05 a.m.Madrid Barajas
30 Apr
MAD6:05 a.m.Madrid Barajas
15h 35m
1 stop
BOS3:40 p.m.Boston Logan Intl
C$ 554
United Airlines
21 Feb
BOS9:45 a.m.Boston Logan Intl
17h 30m
2 stops
MAD9:15 a.m.Madrid Barajas
3 Mar
MAD1:35 p.m.Madrid Barajas
11h 37m
1 stop
BOS7:12 p.m.Boston Logan Intl
C$ 557
United Airlines
11 Feb
BOS1:31 p.m.Boston Logan Intl
16h 14m
2 stops
MAD11:45 a.m.Madrid Barajas
18 Feb
MAD11:15 a.m.Madrid Barajas
13h 30m
1 stop
BOS6:45 p.m.Boston Logan Intl
C$ 563

American Airlines flights from Boston to Madrid

Our best American Airlines deals on Boston to Madrid flight tickets
American Airlines
17 Jan
BOS9:20 p.m.Boston Logan Intl
7h 00m
MAD10:20 a.m.Madrid Barajas
24 Jan
MAD12:30 p.m.Madrid Barajas
8h 45m
BOS3:15 p.m.Boston Logan Intl
C$ 864
American Airlines
17 Jan
BOS7:35 p.m.Boston Logan Intl
31h 15m
1 stop
MAD8:50 a.m.Madrid Barajas
24 Jan
MAD7:25 p.m.Madrid Barajas
26h 50m
1 stop
BOS4:15 p.m.Boston Logan Intl
C$ 865
American Airlines
17 Jan
BOS12:06 p.m.Boston Logan Intl
15h 54m
1 stop
MAD10:00 a.m.Madrid Barajas
24 Jan
MAD12:30 p.m.Madrid Barajas
8h 45m
BOS3:15 p.m.Boston Logan Intl
C$ 869

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Madrid that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 8 January 2026.
Use the filters below to find and compare flights from Boston to Madrid that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Mon 20/4

10:05 a.m.-8:05 a.m.

2 stops16h 00m

Madrid Barajas

Thu 30/4

6:05 a.m.-3:40 p.m.

1 stop15h 35m

C$ 554

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Thu 12/2

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

2 stops20h 00m

Madrid Barajas

Tue 17/2

1:35 p.m.-2:52 p.m.

1 stop31h 17m

C$ 556

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sat 21/2

9:45 a.m.-9:15 a.m.

2 stops17h 30m

Madrid Barajas

Wed 4/3

1:35 p.m.-7:12 p.m.

1 stop11h 37m

C$ 557

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Wed 11/2

7:15 p.m.-2:15 p.m.

1 stop13h 00m

Madrid Barajas

Mon 23/2

1:15 p.m.-11:23 p.m.

1 stop16h 08m

C$ 558

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sat 14/3

8:10 p.m.-1:35 p.m.

1 stop12h 25m

Madrid Barajas

Wed 1/4

3:25 p.m.-11:23 p.m.

1 stop13h 58m

C$ 560

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Wed 11/2

1:31 p.m.-11:45 a.m.

2 stops16h 14m

Madrid Barajas

Wed 18/2

11:15 a.m.-6:45 p.m.

1 stop13h 30m

C$ 563

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Tue 20/1

5:05 p.m.-5:40 p.m.

2 stops18h 35m

Madrid Barajas

Sun 25/1

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

1 stop18h 22m

C$ 564

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Wed 11/2

3:35 p.m.-12:40 p.m.

2 stops15h 05m

Madrid Barajas

Mon 23/2

1:15 p.m.-11:23 p.m.

1 stop16h 08m

C$ 565

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sun 1/2

9:20 p.m.-10:20 a.m.

Nonstop7h 00m

Madrid Barajas

Sun 15/3

12:50 p.m.-8:45 p.m.

1 stop12h 55m

C$ 567

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Wed 1/4

8:25 p.m.-7:35 p.m.

1 stop17h 10m

Madrid Barajas

Tue 14/4

12:40 p.m.-7:38 p.m.

1 stop12h 58m

C$ 568

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

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$ 662. 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$ 676.

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$ 653. 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$ 1,515.

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$ 798. 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$ 830. 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$ 888 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$ 821 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 January 2026, prices for Boston to Madrid flights are approximately 9% 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 in Madrid. From Boston there are direct flights to 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
IberiaPriceFrom C$ 431Free CancellationRating
7.0
3,076 reviews
Search Iberia flights

  • Iberia Flights From Boston to Madrid

    Iberia operates around 11 flights from Boston to Madrid every week. The average price of these flights found in the last 72 hours has been C$ 579, but momondo users have found Iberia deals from Boston to Madrid from as low as C$ 431 round-trip. Iberia has been scored 7.0/10 in 3,076 reviews.

Travelling to a place near Madrid?

Book flights to Madrid if you plan to visit one of these locations
Toledo
Fuenlabrada
Segovia
Guadalajara
Getafe

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 7/2
Sat 14/2
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

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Iberia