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Cheap flights from Boston to San Francisco from C$ 164

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 27/1. 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.
6:00 a.m. - 9:55 a.m.BOS-SFO
6h 55mdirect
11:05 a.m. - 7:43 p.m.SFO-BOS
5h 38mdirect
C$ 325JetBlue
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Fri, 24 Jan - Thu, 30 Jan
7:50 a.m. - 11:59 a.m.BOS-SFO
7h 09mdirect
7:30 a.m. - 4:10 p.m.SFO-BOS
5h 40mdirect
C$ 326Delta
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Mon, 20 Jan - Sun, 2 Feb
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$ 328Delta
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Sat, 22 Feb - Mon, 3 Mar
6:15 a.m. - 9:39 a.m.BOS-SFO
6h 24mdirect
6:00 a.m. - 2:39 p.m.SFO-BOS
5h 39mdirect
C$ 329JetBlue
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Wed, 30 Apr - Tue, 6 May
8:00 a.m. - 11:53 a.m.BOS-SFO
6h 53mdirect
7:05 p.m. - 5:56 a.m.SFO-BOS
7h 51m1 stop
C$ 341United Airlines
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Fri, 17 Jan - Sun, 26 Jan
6:00 p.m. - 9:50 p.m.BOS-SFO
6h 50mdirect
11:20 p.m. - 7:57 a.m.SFO-BOS
5h 37mdirect
C$ 349United Airlines
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Mon, 10 Feb - Sat, 15 Feb
5:24 p.m. - 8:00 a.m.BOS-SFO
17h 36m1 stop
10:00 a.m. - 11:59 p.m.SFO-BOS
10h 59m1 stop
C$ 351Alaska Airlines
Find Deal
Wed, 22 Jan - Thu, 6 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$ 355Alaska Airlines
Find Deal
Mon, 24 Feb - Wed, 5 Mar
1:25 p.m. - 10:15 p.m.BOS-SFO
11h 50m2 stops
5:00 a.m. - 7:00 p.m.SFO-BOS
11h 00m2 stops
C$ 461Southwest
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Wed, 19 Feb - Fri, 21 Feb
6:05 a.m. - 2:50 p.m.BOS-SFO
11h 45m2 stops
7:15 a.m. - 10:15 p.m.SFO-BOS
12h 00m2 stops
C$ 476Southwest
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Wed, 15 Jan - Thu, 16 Jan
5:50 p.m. - 9:56 p.m.BOS-SFO
7h 06mdirect
C$ 164Delta
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Mon, 27 Jan
7:00 a.m. - 10:50 a.m.BOS-SFO
6h 50mdirect
C$ 165JetBlue
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Wed, 19 Feb
4:41 p.m. - 10:51 p.m.BOS-SFO
9h 10m1 stop
C$ 171United Airlines
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Mon, 24 Mar
2:00 p.m. - 7:55 p.m.BOS-SFO
8h 55m1 stop
C$ 177United Airlines
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Tue, 25 Feb
4:23 p.m. - 11:45 p.m.BOS-SFO
10h 22m1 stop
C$ 178Alaska Airlines
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Mon, 24 Feb
7:00 a.m. - 4:31 p.m.BOS-SFO
12h 31m2 stops
C$ 181Alaska Airlines
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Thu, 30 Jan
6:00 a.m. - 9:55 a.m.BOS-SFO
6h 55mdirect
C$ 185JetBlue
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Tue, 7 Jan
9:05 p.m. - 11:50 a.m.BOS-SFO
17h 45m2 stops
C$ 194Southwest
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Thu, 20 Feb
7:55 a.m. - 12:04 p.m.BOS-SFO
7h 09mdirect
C$ 205Delta
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Sun, 23 Feb
6:05 a.m. - 2:50 p.m.BOS-SFO
11h 45m2 stops
C$ 292Southwest
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Fri, 10 Jan
7:55 a.m. - 11:59 a.m.BOS-SFO
7h 04mdirect
7:30 a.m. - 4:10 p.m.SFO-BOS
5h 40mdirect
C$ 545Delta
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Tue, 24 Dec - Sat, 25 Jan
6:59 p.m. - 11:03 p.m.BOS-SFO
7h 04mdirect
6:00 a.m. - 5:39 p.m.SFO-BOS
8h 39m1 stop
C$ 558Alaska Airlines
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Tue, 24 Dec - Fri, 24 Jan
6:59 p.m. - 11:03 p.m.BOS-SFO
7h 04mdirect
4:19 p.m. - 11:59 p.m.SFO-BOS
28h 40m2 stops
C$ 569Alaska Airlines
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Tue, 24 Dec - Sat, 25 Jan
8:59 p.m. - 12:45 a.m.BOS-SFO
6h 46mdirect
11:40 a.m. - 12:18 a.m.SFO-BOS
9h 38m1 stop
C$ 667JetBlue
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Tue, 24 Dec - Mon, 6 Jan
7:55 a.m. - 11:59 a.m.BOS-SFO
7h 04mdirect
8:40 p.m. - 6:55 a.m.SFO-BOS
31h 15m1 stop
C$ 671Delta
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Tue, 24 Dec - Mon, 6 Jan
6:05 a.m. - 10:00 a.m.BOS-SFO
6h 55mdirect
9:44 p.m. - 6:20 a.m.SFO-BOS
5h 36mdirect
C$ 674JetBlue
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Mon, 23 Dec - Sun, 5 Jan
6:00 a.m. - 9:55 a.m.BOS-SFO
6h 55mdirect
8:20 p.m. - 5:01 a.m.SFO-BOS
5h 41mdirect
C$ 683United Airlines
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Wed, 25 Dec - Sat, 4 Jan
7:25 a.m. - 4:55 p.m.BOS-SFO
12h 30m2 stops
6:00 a.m. - 7:10 p.m.SFO-BOS
10h 10m1 stop
C$ 688Southwest
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Wed, 25 Dec - Sat, 4 Jan
1:24 p.m. - 9:13 p.m.BOS-SFO
10h 49m1 stop
4:35 p.m. - 5:56 a.m.SFO-BOS
10h 21m2 stops
C$ 737United Airlines
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Tue, 24 Dec - Fri, 24 Jan
7:25 a.m. - 4:55 p.m.BOS-SFO
12h 30m2 stops
10:20 a.m. - 9:45 p.m.SFO-BOS
8h 25m1 stop
C$ 751Southwest
Find Deal
Wed, 25 Dec - Tue, 31 Dec
6:00 a.m. - 9:55 a.m.BOS-SFO
6h 55mdirect
11:05 a.m. - 7:43 p.m.SFO-BOS
5h 38mdirect
C$ 325JetBlue
Find Deal
Fri, 24 Jan - Thu, 30 Jan
6:00 a.m. - 9:55 a.m.BOS-SFO
6h 55mdirect
8:20 a.m. - 4:50 p.m.SFO-BOS
5h 30mdirect
C$ 326JetBlue
Find Deal
Mon, 20 Jan - Tue, 4 Feb
9:32 p.m. - 1:18 a.m.BOS-SFO
6h 46mdirect
3:00 p.m. - 11:32 p.m.SFO-BOS
5h 32mdirect
C$ 328JetBlue
Find Deal
Wed, 12 Feb - Fri, 14 Feb
6:15 a.m. - 9:39 a.m.BOS-SFO
6h 24mdirect
6:00 a.m. - 2:39 p.m.SFO-BOS
5h 39mdirect
C$ 329JetBlue
Find Deal
Wed, 30 Apr - Tue, 6 May
6:00 p.m. - 9:50 p.m.BOS-SFO
6h 50mdirect
11:20 p.m. - 7:57 a.m.SFO-BOS
5h 37mdirect
C$ 349United Airlines
Find Deal
Mon, 10 Feb - Sat, 15 Feb
5:54 p.m. - 9:50 p.m.BOS-SFO
6h 56mdirect
11:20 p.m. - 7:57 a.m.SFO-BOS
5h 37mdirect
C$ 351United Airlines
Find Deal
Sat, 15 Feb - Wed, 19 Feb
7:50 a.m. - 11:59 a.m.BOS-SFO
7h 09mdirect
7:30 a.m. - 4:10 p.m.SFO-BOS
5h 40mdirect
C$ 368Delta
Find Deal
Fri, 31 Jan - Sun, 9 Feb
7:40 a.m. - 11:49 a.m.BOS-SFO
7h 09mdirect
7:30 a.m. - 4:10 p.m.SFO-BOS
5h 40mdirect
C$ 369Delta
Find Deal
Tue, 7 Jan - Wed, 8 Jan
7:59 p.m. - 11:57 p.m.BOS-SFO
6h 58mdirect
7:44 a.m. - 4:27 p.m.SFO-BOS
5h 43mdirect
C$ 578Alaska Airlines
Find Deal
Tue, 25 Mar - Sat, 29 Mar
7:59 p.m. - 11:57 p.m.BOS-SFO
6h 58mdirect
7:44 a.m. - 4:27 p.m.SFO-BOS
5h 43mdirect
C$ 606Alaska Airlines
Find Deal
Fri, 11 Apr - Sun, 20 Apr

JetBlue flights from Boston to San Francisco

Our best JetBlue deals on Boston to San Francisco flight tickets
JetBlue
24 Jan
BOS6:00 a.m.Boston Logan Intl
6h 55m
SFO9:55 a.m.San Francisco
30 Jan
SFO11:05 a.m.San Francisco
5h 38m
BOS7:43 p.m.Boston Logan Intl
JetBlue
30 Apr
BOS6:15 a.m.Boston Logan Intl
6h 24m
SFO9:39 a.m.San Francisco
6 May
SFO6:00 a.m.San Francisco
5h 39m
BOS2:39 p.m.Boston Logan Intl
JetBlue
27 Jan
BOS6:00 a.m.Boston Logan Intl
6h 55m
SFO9:55 a.m.San Francisco
27 Jan
SFO12:55 p.m.San Francisco
8h 23m
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
22 Jan
BOS5:24 p.m.Boston Logan Intl
17h 36m
1 stop
SFO8:00 a.m.San Francisco
6 Feb
SFO10:00 a.m.San Francisco
10h 59m
1 stop
BOS11:59 p.m.Boston Logan Intl
Alaska Airlines
24 Feb
BOS4:23 p.m.Boston Logan Intl
10h 22m
1 stop
SFO11:45 p.m.San Francisco
5 Mar
SFO11:35 a.m.San Francisco
9h 24m
1 stop
BOS11:59 p.m.Boston Logan Intl
Alaska Airlines
18 Jan
BOS5:55 p.m.Boston Logan Intl
21h 57m
2 stops
SFO12:52 p.m.San Francisco
25 Jan
SFO8:20 a.m.San Francisco
28h 09m
1 stop
BOS3:29 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 cheapest month to fly to San Francisco?

The cheapest month to fly to San Francisco from Boston is in February. Flight prices, which tend to average around C$ 434, are often lower during this time because this is during the off-season. The month of September is another great option to travel to San Francisco, with average flight prices from Boston averaging around C$ 440.

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$ 651.

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?

In general, most travellers find the cheapest time to book a flight to San Francisco is about 56 days prior to their departure date, when tickets on average are C$ 515. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as C$ 537.

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.

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

You could potentially save up to 4% on your flight if you consider stops on a Boston to San Francisco flight.

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

As of December 2024, prices for Boston to San Francisco flights are approximately 6% 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$ 164

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$ 164. The best round-trip flight deal from Boston to San Francisco found on momondo in the last 72 hours is C$ 325.
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$ 269Free CancellationRating
7.4
3,265 reviews
Search JetBlue flights
DeltaPriceFrom C$ 283Free CancellationRating
8.0
8,594 reviews
Search Delta flights
Alaska AirlinesPriceFrom C$ 311Free CancellationRating
8.0
9,537 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 6 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 9,537 Alaska Airlines reviews on momondo, the average score is 8.0/10. Alaska Airlines flies from Boston to San Francisco about 6 times 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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