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Cheap flights from Boston to San Francisco from C$ 163

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 San Francisco departing on 27/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Boston to San Francisco

Cheap round-trip flights

These are some of the best round-trip flight deals from Boston to San Francisco that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Boston to San Francisco.

Cheap last-minute flights

Planning a quick getaway from Boston to San Francisco? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Francisco, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Boston to San Francisco

Find recent round-trip train or bus tickets from Boston to San Francisco.

All round-trip flight deals from Boston to San Francisco

The cheapest plane tickets from Boston to San Francisco found on KAYAK recently.
6:00 a.m. - 9:55 a.m.BOS-SFO
6h 55mdirect
8:30 a.m. - 5:03 p.m.SFO-BOS
5h 33mdirect
C$ 324JetBlue
Find Deal
Thu, 27 Feb - Thu, 6 Mar
5:50 p.m. - 9:56 p.m.BOS-SFO
7h 06mdirect
1:15 p.m. - 9:54 p.m.SFO-BOS
5h 39mdirect
C$ 327Delta
Find Deal
Thu, 20 Feb - Thu, 27 Feb
6:00 a.m. - 9:39 a.m.BOS-SFO
6h 39mdirect
3:00 p.m. - 11:47 p.m.SFO-BOS
5h 47mdirect
C$ 328JetBlue
Find Deal
Thu, 3 Apr - Mon, 14 Apr
4:30 p.m. - 8:29 p.m.BOS-SFO
6h 59mdirect
1:00 p.m. - 9:53 p.m.SFO-BOS
5h 53mdirect
C$ 330Delta
Find Deal
Wed, 30 Apr - Tue, 6 May
8:00 a.m. - 11:53 a.m.BOS-SFO
6h 53mdirect
7:30 p.m. - 7:20 a.m.SFO-BOS
8h 50m1 stop
C$ 335United Airlines
Find Deal
Wed, 12 Feb - Mon, 17 Feb
4:30 p.m. - 3:17 p.m.BOS-SFO
25h 47m1 stop
6:00 a.m. - 11:59 p.m.SFO-BOS
14h 59m1 stop
C$ 351Alaska Airlines
Find Deal
Mon, 10 Feb - Sun, 16 Feb
4:23 p.m. - 11:45 p.m.BOS-SFO
10h 22m1 stop
11:35 a.m. - 11:59 p.m.SFO-BOS
9h 24m1 stop
C$ 354Alaska Airlines
Find Deal
Thu, 20 Feb - Wed, 26 Feb
5:30 p.m. - 9:14 p.m.BOS-SFO
6h 44mdirect
11:20 p.m. - 8:12 a.m.SFO-BOS
5h 52mdirect
C$ 369United Airlines
Find Deal
Tue, 1 Apr - Sat, 5 Apr
10:30 p.m. - 11:50 a.m.BOS-SFO
16h 20m2 stops
12:00 p.m. - 12:45 a.m.SFO-BOS
9h 45m1 stop
C$ 505Southwest
Find Deal
Thu, 27 Feb - Mon, 10 Mar
11:40 a.m. - 7:30 p.m.BOS-SFO
10h 50m2 stops
5:20 a.m. - 5:20 p.m.SFO-BOS
9h 00m2 stops
C$ 520Southwest
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Thu, 6 Feb - Tue, 11 Feb
6:11 p.m. - 9:59 p.m.BOS-SFO
6h 48mdirect
C$ 163JetBlue
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Thu, 27 Mar
6:00 p.m. - 9:50 p.m.BOS-SFO
6h 50mdirect
C$ 164United Airlines
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Mon, 10 Feb
8:00 p.m. - 11:59 p.m.BOS-SFO
6h 59mdirect
C$ 166Delta
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Fri, 30 May
7:00 a.m. - 1:47 p.m.BOS-SFO
9h 47m1 stop
C$ 177Alaska Airlines
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Wed, 26 Feb
5:50 p.m. - 9:56 p.m.BOS-SFO
7h 06mdirect
C$ 183Delta
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Tue, 18 Feb
4:30 p.m. - 11:38 p.m.BOS-SFO
10h 08m1 stop
C$ 199Alaska Airlines
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Mon, 3 Feb
10:30 p.m. - 11:50 a.m.BOS-SFO
16h 20m2 stops
C$ 215Southwest
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Thu, 27 Feb
4:00 p.m. - 9:30 p.m.BOS-SFO
8h 30m1 stop
C$ 229Southwest
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Mon, 24 Mar
11:34 a.m. - 5:26 p.m.BOS-SFO
8h 52m1 stop
C$ 235Sun Country Air
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Sat, 12 Jul
11:34 a.m. - 11:38 a.m.BOS-SFO
27h 04m1 stop
C$ 242Sun Country Air
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Fri, 11 Jul
5:50 p.m. - 9:56 p.m.BOS-SFO
7h 06mdirect
1:15 p.m. - 9:54 p.m.SFO-BOS
5h 39mdirect
C$ 567Delta
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Fri, 24 Jan - Fri, 14 Feb
11:28 a.m. - 8:49 p.m.BOS-SFO
12h 21m1 stop
11:10 p.m. - 7:47 a.m.SFO-BOS
5h 37mdirect
C$ 582JetBlue
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Sat, 25 Jan - Mon, 3 Feb
7:00 a.m. - 1:37 p.m.BOS-SFO
9h 37m1 stop
11:20 a.m. - 11:59 p.m.SFO-BOS
9h 39m1 stop
C$ 596Alaska Airlines
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Sat, 25 Jan - Mon, 3 Feb
4:55 p.m. - 11:17 p.m.BOS-SFO
9h 22m1 stop
1:15 p.m. - 9:54 p.m.SFO-BOS
5h 39mdirect
C$ 603Delta
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Fri, 24 Jan - Fri, 14 Feb
7:00 a.m. - 3:35 p.m.BOS-SFO
11h 35m1 stop
7:55 p.m. - 11:59 p.m.SFO-BOS
25h 04m2 stops
C$ 615Alaska Airlines
Find Deal
Sun, 26 Jan - Fri, 31 Jan
5:50 a.m. - 3:45 p.m.BOS-SFO
12h 55m2 stops
10:35 a.m. - 11:35 p.m.SFO-BOS
10h 00m1 stop
C$ 639Southwest
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Sat, 25 Jan - Mon, 3 Feb
6:00 a.m. - 9:55 a.m.BOS-SFO
6h 55mdirect
1:30 p.m. - 10:04 p.m.SFO-BOS
5h 34mdirect
C$ 685JetBlue
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Sun, 26 Jan - Sat, 1 Feb
5:50 a.m. - 3:45 p.m.BOS-SFO
12h 55m2 stops
5:20 a.m. - 7:45 p.m.SFO-BOS
11h 25m2 stops
C$ 698Southwest
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Sat, 25 Jan - Mon, 3 Feb
4:55 p.m. - 10:56 p.m.BOS-SFO
9h 01m1 stop
2:55 p.m. - 5:49 a.m.SFO-BOS
11h 54m2 stops
C$ 812United Airlines
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Fri, 24 Jan - Fri, 14 Feb
6:00 p.m. - 9:50 p.m.BOS-SFO
6h 50mdirect
1:00 p.m. - 9:43 p.m.SFO-BOS
5h 43mdirect
C$ 841United Airlines
Find Deal
Wed, 22 Jan - Wed, 29 Jan
6:00 a.m. - 9:55 a.m.BOS-SFO
6h 55mdirect
8:30 a.m. - 5:03 p.m.SFO-BOS
5h 33mdirect
C$ 324JetBlue
Find Deal
Thu, 27 Feb - Thu, 6 Mar
7:00 a.m. - 10:50 a.m.BOS-SFO
6h 50mdirect
11:20 p.m. - 7:50 a.m.SFO-BOS
5h 30mdirect
C$ 327JetBlue
Find Deal
Thu, 20 Feb - Tue, 25 Feb
6:00 a.m. - 9:39 a.m.BOS-SFO
6h 39mdirect
3:00 p.m. - 11:47 p.m.SFO-BOS
5h 47mdirect
C$ 328JetBlue
Find Deal
Thu, 3 Apr - Mon, 14 Apr
4:30 p.m. - 8:29 p.m.BOS-SFO
6h 59mdirect
1:00 p.m. - 9:53 p.m.SFO-BOS
5h 53mdirect
C$ 330Delta
Find Deal
Wed, 30 Apr - Tue, 6 May
5:50 p.m. - 9:56 p.m.BOS-SFO
7h 06mdirect
7:30 a.m. - 4:10 p.m.SFO-BOS
5h 40mdirect
C$ 348Delta
Find Deal
Wed, 5 Feb - Fri, 28 Feb
6:00 a.m. - 9:55 a.m.BOS-SFO
6h 55mdirect
8:42 p.m. - 5:10 a.m.SFO-BOS
5h 28mdirect
C$ 350JetBlue
Find Deal
Mon, 10 Feb - Sun, 16 Feb
5:30 p.m. - 9:14 p.m.BOS-SFO
6h 44mdirect
11:20 p.m. - 8:12 a.m.SFO-BOS
5h 52mdirect
C$ 369United Airlines
Find Deal
Tue, 1 Apr - Sat, 5 Apr
1:30 p.m. - 5:25 p.m.BOS-SFO
6h 55mdirect
11:25 p.m. - 8:02 a.m.SFO-BOS
5h 37mdirect
C$ 371United Airlines
Find Deal
Fri, 21 Feb - Mon, 24 Mar
6:20 p.m. - 10:12 p.m.BOS-SFO
6h 52mdirect
10:45 p.m. - 7:26 a.m.SFO-BOS
5h 41mdirect
C$ 425Alaska Airlines
Find Deal
Sat, 14 Jun - Sat, 2 Aug
6:20 p.m. - 10:12 p.m.BOS-SFO
6h 52mdirect
10:45 p.m. - 7:26 a.m.SFO-BOS
5h 41mdirect
C$ 484Alaska Airlines
Find Deal
Wed, 18 Jun - Mon, 23 Jun

JetBlue flights from Boston to San Francisco

Our best JetBlue deals on Boston to San Francisco flight tickets
JetBlue
27 Feb
BOS6:00 a.m.Boston Logan Intl
6h 55m
SFO9:55 a.m.San Francisco
6 Mar
SFO8:30 a.m.San Francisco
5h 33m
BOS5:03 p.m.Boston Logan Intl
JetBlue
3 Apr
BOS6:00 a.m.Boston Logan Intl
6h 39m
SFO9:39 a.m.San Francisco
14 Apr
SFO3:00 p.m.San Francisco
5h 47m
BOS11:47 p.m.Boston Logan Intl
JetBlue
11 Feb
BOS6:00 a.m.Boston Logan Intl
6h 55m
SFO9:55 a.m.San Francisco
11 Feb
SFO12:56 p.m.San Francisco
8h 22m
1 stop
BOS12:18 a.m.Boston Logan Intl

Alaska Airlines flights from Boston to San Francisco

Our best Alaska Airlines deals on Boston to San Francisco flight tickets
Alaska Airlines
10 Feb
BOS4:30 p.m.Boston Logan Intl
25h 47m
1 stop
SFO3:17 p.m.San Francisco
16 Feb
SFO6:00 a.m.San Francisco
14h 59m
1 stop
BOS11:59 p.m.Boston Logan Intl
Alaska Airlines
20 Feb
BOS4:23 p.m.Boston Logan Intl
10h 22m
1 stop
SFO11:45 p.m.San Francisco
26 Feb
SFO11:35 a.m.San Francisco
9h 24m
1 stop
BOS11:59 p.m.Boston Logan Intl
Alaska Airlines
10 Feb
BOS4:30 p.m.Boston Logan Intl
10h 08m
1 stop
SFO11:38 p.m.San Francisco
16 Feb
SFO6:00 a.m.San Francisco
14h 59m
1 stop
BOS11:59 p.m.Boston Logan Intl

See travel insights to San Francisco from

How to get the cheapest flight ticket from Boston to San Francisco

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 typical price of a round-trip flight between Boston and San Francisco?

What is the cheapest month to fly to San Francisco?

The cheapest month to fly to San Francisco from Boston is in September. Flight prices, which tend to average around C$ 441, are often lower during this time because this is during the off-season. The month of February is another great option to travel to San Francisco, with average flight prices from Boston averaging around C$ 443.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Boston to San Francisco is on a Sunday. Travellers who choose to depart for San Francisco on a Sunday will often find tickets for as low as C$ 0. On the other hand, Wednesday 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$ 653.

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

Flying to San Francisco from Boston at noon is the least expensive time of day to depart. momondo users have found prices as low as C$ 0 when looking at flights departing at noon. In contrast, the most expensive time of day to depart to San Francisco is in the afternoon when prices are around C$ 485.

What is the cheapest Boston Logan Intl to San Francisco flight route?

Fly from Boston Logan Intl to San Francisco for the best Boston Logan Intl - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Boston when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around C$ 516 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Boston for as low as C$ 474 on momondo.

What cabin class options are available on Boston Logan Intl to San Francisco flights?

There are 3 cabin classes available to choose from on Boston Logan Intl to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Boston to San Francisco flight prices changed over time?

As of January 2025, prices for Boston to San Francisco flights are approximately 21% more expensive when compared to flights at the same time last year.

When to book flights from Boston to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to San Francisco (BOS to SFO) flight deals and tips

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

Best price found

C$ 163

Fastest flight time

6h 28m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Boston in the past 72 hours is C$ 163. The best round-trip flight deal from Boston to San Francisco found on momondo in the last 72 hours is C$ 324.
The fastest flight from Boston to San Francisco takes 6h 28m
Direct flights go from Boston to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)

  • How far is Boston Logan Intl to San Francisco by plane?

    The distance between Boston Logan Intl and San Francisco is about 4329.4 km. A reasonable flight in good conditions will take 6h 36m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to San Francisco Airport?

    Prices for flights from Boston Logan Intl Airport to San Francisco Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to San Francisco Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to San Francisco 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 San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to San Francisco?

  • What is the most popular airline from Boston to San Francisco?


Best airlines flying from Boston to San Francisco

Compare and see reviews for airlines that fly from Boston to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom C$ 282Free CancellationRating
7.4
3,201 reviews
Search JetBlue flights
DeltaPriceFrom C$ 284Free CancellationRating
8.0
8,521 reviews
Search Delta flights
Alaska AirlinesPriceFrom C$ 311Free CancellationRating
8.0
9,706 reviews
Search Alaska Airlines flights
  • Delta Flights From Boston to San Francisco

    The lowest priced Delta flight from Boston to San Francisco from the last 72 hours was C$ 197. Generally, Delta has 8 flights on this route every week with an average price of C$ 255. Delta is rated 8.0/10 by our users.

  • JetBlue Flights From Boston to San Francisco

    Across 3,200 JetBlue reviews on momondo, the average score is 7.4/10. JetBlue flies from Boston to San Francisco about 12 times each week, with ticket deals ranging from C$ 196 to C$ 307. Price data is based on momondo searches in the last 72 hours.


Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Sunnyvale
Los Altos
Palo Alto
Carmel-by-the-Sea
Newark
South San Francisco
Mountain View
Yountville
Daly City
Fremont
Half Moon Bay
Santa Cruz
Berkeley
Pacific Grove
Burlingame
Big Sur
Mill Valley
Modesto
Santa Clara
Vacaville

Why use momondo?

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

It is quick and easy to find Boston to San Francisco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Francisco that suits you.

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

Yes. All flights to San Francisco from Boston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Boston to San Francisco?

momondo provides multiple filters to help you find the best flight to San Francisco from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Boston and alert you when they change.


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