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Cheap flights from Boston to San Francisco from C$ 161

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 19/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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 to San Francisco

The cheapest plane tickets to San Francisco found on KAYAK recently.
6:59 p.m. - 11:03 p.m.BOS-SFO
7h 04mdirect
7:00 a.m. - 3:44 p.m.SFO-BOS
5h 44mdirect
C$ 243Alaska Airlines
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Wed, 25 Dec - Tue, 31 Dec
7:50 a.m. - 11:59 a.m.BOS-SFO
7h 09mdirect
7:20 a.m. - 3:58 p.m.SFO-BOS
5h 38mdirect
C$ 320Delta
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Fri, 10 Jan - Wed, 22 Jan
8:59 p.m. - 12:53 a.m.BOS-SFO
6h 54mdirect
7:20 a.m. - 3:58 p.m.SFO-BOS
5h 38mdirect
C$ 326Delta
Find Deal
Sun, 15 Dec - Tue, 14 Jan
8:10 p.m. - 11:55 p.m.BOS-SFO
6h 45mdirect
8:42 p.m. - 5:10 a.m.SFO-BOS
5h 28mdirect
C$ 331JetBlue
Find Deal
Tue, 18 Feb - Thu, 20 Feb
8:00 a.m. - 11:53 a.m.BOS-SFO
6h 53mdirect
9:25 p.m. - 8:13 a.m.SFO-BOS
7h 48m1 stop
C$ 334United Airlines
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Thu, 6 Feb - Tue, 11 Feb
5:55 p.m. - 9:43 p.m.BOS-SFO
6h 48mdirect
11:59 p.m. - 10:45 a.m.SFO-BOS
7h 46m1 stop
C$ 337JetBlue
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Sun, 9 Feb - Sun, 9 Feb
4:41 p.m. - 10:51 p.m.BOS-SFO
9h 10m1 stop
1:05 p.m. - 9:42 p.m.SFO-BOS
5h 37mdirect
C$ 338United Airlines
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Tue, 11 Mar - Tue, 18 Mar
4:30 p.m. - 11:38 p.m.BOS-SFO
10h 08m1 stop
11:20 a.m. - 11:59 p.m.SFO-BOS
9h 39m1 stop
C$ 347Alaska Airlines
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Thu, 6 Feb - Fri, 7 Feb
11:37 a.m. - 10:46 a.m.BOS-SFO
26h 09m1 stop
1:55 p.m. - 11:09 p.m.SFO-BOS
30h 14m1 stop
C$ 398Sun Country Air
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Sun, 15 Dec - Wed, 18 Dec
11:30 a.m. - 4:51 p.m.BOS-SFO
8h 21m1 stop
1:55 p.m. - 10:51 a.m.SFO-BOS
17h 56m1 stop
C$ 510Sun Country Air
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Thu, 5 Dec - Wed, 18 Dec
8:00 a.m. - 11:53 a.m.BOS-SFO
6h 53mdirect
C$ 161United Airlines
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Sun, 19 Jan
7:55 a.m. - 11:59 a.m.BOS-SFO
7h 04mdirect
C$ 164Delta
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Thu, 12 Dec
8:59 p.m. - 12:53 a.m.BOS-SFO
6h 54mdirect
C$ 166Delta
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Fri, 13 Dec
3:40 p.m. - 7:29 p.m.BOS-SFO
6h 49mdirect
C$ 168JetBlue
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Thu, 13 Mar
7:00 a.m. - 1:47 p.m.BOS-SFO
9h 47m1 stop
C$ 173Alaska Airlines
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Thu, 23 Jan
7:59 p.m. - 9:51 a.m.BOS-SFO
16h 52m1 stop
C$ 187Alaska Airlines
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Tue, 10 Dec
3:35 p.m. - 12:14 a.m.BOS-SFO
11h 39m1 stop
C$ 191JetBlue
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Mon, 16 Dec
8:39 a.m. - 9:50 p.m.BOS-SFO
16h 11m1 stop
C$ 211Frontier
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Thu, 28 Nov
7:25 a.m. - 7:30 p.m.BOS-SFO
15h 05m1 stop
C$ 214Southwest
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Thu, 12 Dec
5:40 a.m. - 7:30 p.m.BOS-SFO
16h 50m2 stops
C$ 233Southwest
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Thu, 12 Dec
8:35 p.m. - 12:33 a.m.BOS-SFO
6h 58mdirect
7:30 a.m. - 4:14 p.m.SFO-BOS
5h 44mdirect
C$ 556Delta
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Tue, 26 Nov - Fri, 6 Dec
9:35 a.m. - 1:26 p.m.BOS-SFO
6h 51mdirect
2:39 p.m. - 11:09 p.m.SFO-BOS
5h 30mdirect
C$ 570JetBlue
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Tue, 26 Nov - Thu, 5 Dec
5:01 a.m. - 11:00 a.m.BOS-SFO
8h 59m1 stop
2:39 p.m. - 11:09 p.m.SFO-BOS
5h 30mdirect
C$ 583JetBlue
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Tue, 26 Nov - Fri, 6 Dec
7:55 a.m. - 11:56 a.m.BOS-SFO
7h 01mdirect
1:15 p.m. - 9:54 p.m.SFO-BOS
5h 39mdirect
C$ 625Delta
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Tue, 26 Nov - Tue, 3 Dec
5:25 a.m. - 1:40 p.m.BOS-SFO
11h 15m2 stops
10:20 a.m. - 9:45 p.m.SFO-BOS
8h 25m1 stop
C$ 667Southwest
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Tue, 26 Nov - Wed, 4 Dec
8:27 a.m. - 6:03 p.m.BOS-SFO
12h 36m1 stop
7:05 a.m. - 3:47 p.m.SFO-BOS
5h 42mdirect
C$ 675Alaska Airlines
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Mon, 25 Nov - Wed, 27 Nov
8:20 p.m. - 8:05 a.m.BOS-SFO
14h 45m1 stop
7:45 a.m. - 4:23 p.m.SFO-BOS
5h 38mdirect
C$ 686Alaska Airlines
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Tue, 26 Nov - Tue, 3 Dec
6:15 a.m. - 12:00 p.m.BOS-SFO
8h 45m1 stop
7:55 a.m. - 9:35 p.m.SFO-BOS
10h 40m2 stops
C$ 696Southwest
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Mon, 25 Nov - Tue, 3 Dec
8:00 a.m. - 11:50 a.m.BOS-SFO
6h 50mdirect
12:30 a.m. - 12:20 p.m.SFO-BOS
8h 50m1 stop
C$ 799United Airlines
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Tue, 26 Nov - Tue, 3 Dec
11:40 a.m. - 8:34 p.m.BOS-SFO
11h 54m2 stops
5:15 a.m. - 5:16 p.m.SFO-BOS
9h 01m1 stop
C$ 973United Airlines
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Tue, 26 Nov - Tue, 3 Dec
6:59 p.m. - 11:03 p.m.BOS-SFO
7h 04mdirect
7:00 a.m. - 3:44 p.m.SFO-BOS
5h 44mdirect
C$ 243Alaska Airlines
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Wed, 25 Dec - Tue, 31 Dec
7:50 a.m. - 11:59 a.m.BOS-SFO
7h 09mdirect
7:20 a.m. - 3:58 p.m.SFO-BOS
5h 38mdirect
C$ 320Delta
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Fri, 10 Jan - Wed, 22 Jan
8:59 p.m. - 12:53 a.m.BOS-SFO
6h 54mdirect
7:20 a.m. - 3:58 p.m.SFO-BOS
5h 38mdirect
C$ 326Delta
Find Deal
Sun, 15 Dec - Tue, 14 Jan
8:10 p.m. - 11:55 p.m.BOS-SFO
6h 45mdirect
8:42 p.m. - 5:10 a.m.SFO-BOS
5h 28mdirect
C$ 331JetBlue
Find Deal
Tue, 18 Feb - Thu, 20 Feb
7:55 a.m. - 11:59 a.m.BOS-SFO
7h 04mdirect
9:55 p.m. - 6:40 a.m.SFO-BOS
5h 45mdirect
C$ 333Delta
Find Deal
Thu, 12 Dec - Fri, 13 Dec
8:20 p.m. - 11:48 p.m.BOS-SFO
6h 28mdirect
8:47 p.m. - 5:25 a.m.SFO-BOS
5h 38mdirect
C$ 334JetBlue
Find Deal
Mon, 28 Apr - Fri, 2 May
7:50 a.m. - 11:59 a.m.BOS-SFO
7h 09mdirect
7:20 a.m. - 3:58 p.m.SFO-BOS
5h 38mdirect
C$ 345Delta
Find Deal
Mon, 6 Jan - Thu, 23 Jan
5:45 a.m. - 9:40 a.m.BOS-SFO
6h 55mdirect
11:05 a.m. - 7:42 p.m.SFO-BOS
5h 37mdirect
C$ 359United Airlines
Find Deal
Thu, 6 Mar - Wed, 12 Mar
1:30 p.m. - 5:19 p.m.BOS-SFO
6h 49mdirect
10:35 p.m. - 7:17 a.m.SFO-BOS
5h 42mdirect
C$ 372United Airlines
Find Deal
Thu, 12 Dec - Tue, 24 Dec
6:39 p.m. - 10:39 p.m.BOS-SFO
7h 00mdirect
7:45 a.m. - 4:23 p.m.SFO-BOS
5h 38mdirect
C$ 429Alaska Airlines
Find Deal
Fri, 6 Dec - Fri, 13 Dec

Alaska Airlines flights from Boston to San Francisco

Our best Alaska Airlines deals on Boston to San Francisco flight tickets
Alaska Airlines
25 Dec
BOS6:59 p.m.Boston Logan Intl
7h 04m
SFO11:03 p.m.San Francisco
31 Dec
SFO7:00 a.m.San Francisco
5h 44m
BOS3:44 p.m.Boston Logan Intl
Alaska Airlines
6 Feb
BOS4:30 p.m.Boston Logan Intl
10h 08m
1 stop
SFO11:38 p.m.San Francisco
7 Feb
SFO11:20 a.m.San Francisco
9h 39m
1 stop
BOS11:59 p.m.Boston Logan Intl
Alaska Airlines
10 Jan
BOS7:00 a.m.Boston Logan Intl
9h 47m
1 stop
SFO1:47 p.m.San Francisco
23 Jan
SFO11:20 a.m.San Francisco
9h 39m
1 stop
BOS11:59 p.m.Boston Logan Intl

Delta flights from Boston to San Francisco

Our best Delta deals on Boston to San Francisco flight tickets
Delta
10 Jan
BOS7:50 a.m.Boston Logan Intl
7h 09m
SFO11:59 a.m.San Francisco
22 Jan
SFO7:20 a.m.San Francisco
5h 38m
BOS3:58 p.m.Boston Logan Intl
Delta
15 Dec
BOS8:59 p.m.Boston Logan Intl
6h 54m
SFO12:53 a.m.San Francisco
14 Jan
SFO7:20 a.m.San Francisco
5h 38m
BOS3:58 p.m.Boston Logan Intl
Delta
12 Dec
BOS7:55 a.m.Boston Logan Intl
7h 04m
SFO11:59 a.m.San Francisco
13 Dec
SFO9:55 p.m.San Francisco
5h 45m
BOS6:40 a.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 cheapest month to fly from Boston to San Francisco?

September. The cheapest time of year to fly to San Francisco from Boston is September. The most expensive is June.

What is the cheapest day to depart Boston for San Francisco?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday

When is the cheapest time to fly from Boston to San Francisco?

In the evening. Boston to San Francisco flights are approximately 23% more expensive in the afternoon than in the evening

What is the cheapest Boston to San Francisco flight route?

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

How far in advance should you book Boston to San Francisco flights?

29 days before. The cheapest time to buy a flight from Boston to San Francisco is approximately 29 days to departure

Can stopping save me money on Boston to San Francisco flights?

No. A direct flight is the cheapest option for a flight between Boston to San Francisco.

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

As of November 2024, prices for Boston to San Francisco flights are approximately 1% 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$ 161

Fastest flight time

6h 24m

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$ 161. The best round-trip flight deal from Boston to San Francisco found on momondo in the last 72 hours is C$ 243.
The fastest flight from Boston to San Francisco takes 6h 24m
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 24m.

  • 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$ 262Free CancellationRating
7.4
3,396 reviews
Search JetBlue flights
DeltaPriceFrom C$ 275Free CancellationRating
8.0
8,758 reviews
Search Delta flights
Alaska AirlinesPriceFrom C$ 302Free CancellationRating
8.0
9,458 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 7 flights on this route every week with an average price of C$ 255. Delta is rated 8.0/10 by our users.

  • Alaska Airlines Flights From Boston to San Francisco

    Across 9,458 Alaska Airlines reviews on momondo, the average score is 8.0/10. Alaska Airlines flies from Boston to San Francisco about 1 time each week, with ticket deals ranging from C$ 216 to C$ 337. Price data is based on momondo searches in the last 72 hours.


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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