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Cheap flights from Boston to San Francisco from $177

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 return flights

These are some of the best return 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 stopovers.

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.
18:59 - 23:03BOS-SFO
7h 04mdirect
07:00 - 15:44SFO-BOS
5h 44mdirect
$267Alaska Airlines
Find Deal
Wed, 25 Dec - Tue, 31 Dec
07:50 - 11:59BOS-SFO
7h 09mdirect
07:20 - 15:58SFO-BOS
5h 38mdirect
$352Delta
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Fri, 10 Jan - Sun, 12 Jan
20:10 - 23:55BOS-SFO
6h 45mdirect
06:00 - 14:35SFO-BOS
5h 35mdirect
$364JetBlue
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Tue, 18 Feb - Wed, 19 Feb
08:00 - 11:53BOS-SFO
6h 53mdirect
06:00 - 16:53SFO-BOS
7h 53m1 stop
$367United Airlines
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Sat, 11 Jan - Thu, 16 Jan
17:55 - 21:43BOS-SFO
6h 48mdirect
23:59 - 10:45SFO-BOS
7h 46m1 stop
$370JetBlue
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Sun, 9 Feb - Sun, 9 Feb
16:41 - 22:51BOS-SFO
9h 10m1 stop
13:05 - 21:42SFO-BOS
5h 37mdirect
$372United Airlines
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Tue, 11 Mar - Tue, 18 Mar
11:37 - 17:18BOS-SFO
8h 41m1 stop
13:55 - 10:51SFO-BOS
17h 56m1 stop
$438Sun Country Air
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Sun, 15 Dec - Wed, 18 Dec
07:20 - 21:30BOS-SFO
17h 10m2 stops
15:15 - 10:55SFO-BOS
16h 40m2 stops
$455Southwest
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Sun, 12 Jan - Wed, 15 Jan
11:30 - 16:51BOS-SFO
8h 21m1 stop
13:55 - 10:51SFO-BOS
17h 56m1 stop
$561Sun Country Air
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Thu, 5 Dec - Wed, 18 Dec
22:30 - 11:50BOS-SFO
16h 20m2 stops
05:20 - 17:20SFO-BOS
9h 00m2 stops
$570Southwest
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Sun, 16 Feb - Tue, 25 Feb
07:50 - 11:59BOS-SFO
7h 09mdirect
$177Delta
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Mon, 27 Jan
07:55 - 11:59BOS-SFO
7h 04mdirect
$180Delta
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Thu, 12 Dec
15:40 - 19:29BOS-SFO
6h 49mdirect
$184JetBlue
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Thu, 13 Mar
07:00 - 13:47BOS-SFO
9h 47m1 stop
$190Alaska Airlines
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Sun, 19 Jan
06:00 - 11:40BOS-SFO
8h 40m1 stop
$197United Airlines
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Fri, 21 Feb
16:53 - 23:03BOS-SFO
9h 10m1 stop
$198United Airlines
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Mon, 6 Jan
19:59 - 09:51BOS-SFO
16h 52m1 stop
$206Alaska Airlines
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Tue, 10 Dec
15:35 - 00:14BOS-SFO
11h 39m1 stop
$210JetBlue
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Mon, 16 Dec
07:25 - 19:30BOS-SFO
15h 05m1 stop
$235Southwest
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Thu, 12 Dec
05:40 - 19:30BOS-SFO
16h 50m2 stops
$256Southwest
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Thu, 12 Dec
20:35 - 00:33BOS-SFO
6h 58mdirect
07:30 - 16:14SFO-BOS
5h 44mdirect
$611Delta
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Tue, 26 Nov - Fri, 6 Dec
09:35 - 13:26BOS-SFO
6h 51mdirect
14:39 - 23:09SFO-BOS
5h 30mdirect
$627JetBlue
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Tue, 26 Nov - Thu, 5 Dec
08:30 - 14:43BOS-SFO
9h 13m1 stop
06:40 - 22:58SFO-BOS
13h 18m1 stop
$714American Airlines
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Tue, 26 Nov - Thu, 28 Nov
05:25 - 13:40BOS-SFO
11h 15m2 stops
10:20 - 21:45SFO-BOS
8h 25m1 stop
$732Southwest
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Tue, 26 Nov - Wed, 4 Dec
08:27 - 15:43BOS-SFO
10h 16m1 stop
07:45 - 16:23SFO-BOS
5h 38mdirect
$742Alaska Airlines
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Mon, 25 Nov - Wed, 4 Dec
20:20 - 08:05BOS-SFO
14h 45m1 stop
07:45 - 16:23SFO-BOS
5h 38mdirect
$754Alaska Airlines
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Tue, 26 Nov - Tue, 3 Dec
06:15 - 12:00BOS-SFO
8h 45m1 stop
07:55 - 21:35SFO-BOS
10h 40m2 stops
$765Southwest
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Mon, 25 Nov - Tue, 3 Dec
06:30 - 12:31BOS-SFO
9h 01m1 stop
00:17 - 11:08SFO-BOS
7h 51m1 stop
$774American Airlines
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Tue, 26 Nov - Wed, 27 Nov
08:00 - 11:50BOS-SFO
6h 50mdirect
00:30 - 12:20SFO-BOS
8h 50m1 stop
$878United Airlines
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Tue, 26 Nov - Tue, 3 Dec
11:40 - 20:34BOS-SFO
11h 54m2 stops
23:45 - 12:45SFO-BOS
10h 00m1 stop
$1,069United Airlines
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Sun, 24 Nov - Tue, 3 Dec
18:59 - 23:03BOS-SFO
7h 04mdirect
07:00 - 15:44SFO-BOS
5h 44mdirect
$267Alaska Airlines
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Wed, 25 Dec - Tue, 31 Dec
07:50 - 11:59BOS-SFO
7h 09mdirect
07:20 - 15:58SFO-BOS
5h 38mdirect
$352Delta
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Fri, 10 Jan - Sun, 12 Jan
07:00 - 10:48BOS-SFO
6h 48mdirect
14:39 - 23:09SFO-BOS
5h 30mdirect
$355JetBlue
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Thu, 12 Dec - Thu, 12 Dec
20:59 - 00:53BOS-SFO
6h 54mdirect
07:20 - 15:58SFO-BOS
5h 38mdirect
$358Delta
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Fri, 13 Dec - Sat, 11 Jan
10:05 - 13:54BOS-SFO
6h 49mdirect
08:30 - 17:03SFO-BOS
5h 33mdirect
$362JetBlue
Find Deal
Tue, 4 Mar - Tue, 18 Mar
07:50 - 11:59BOS-SFO
7h 09mdirect
07:20 - 15:58SFO-BOS
5h 38mdirect
$364Delta
Find Deal
Tue, 18 Feb - Wed, 19 Feb
07:55 - 11:59BOS-SFO
7h 04mdirect
21:55 - 06:40SFO-BOS
5h 45mdirect
$365Delta
Find Deal
Thu, 12 Dec - Fri, 13 Dec
20:20 - 23:48BOS-SFO
6h 28mdirect
20:47 - 05:25SFO-BOS
5h 38mdirect
$367JetBlue
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Mon, 28 Apr - Fri, 2 May
05:45 - 09:40BOS-SFO
6h 55mdirect
11:05 - 19:42SFO-BOS
5h 37mdirect
$395United Airlines
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Thu, 6 Mar - Wed, 12 Mar
13:30 - 17:19BOS-SFO
6h 49mdirect
22:35 - 07:17SFO-BOS
5h 42mdirect
$408United Airlines
Find Deal
Thu, 12 Dec - Tue, 24 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
BOS18:59Boston Logan Intl
7h 04m
SFO23:03San Francisco
31 Dec
SFO07:00San Francisco
5h 44m
BOS15:44Boston Logan Intl
Alaska Airlines
6 Feb
BOS16:30Boston Logan Intl
10h 08m
1 stop
SFO23:38San Francisco
7 Feb
SFO11:20San Francisco
9h 39m
1 stop
BOS23:59Boston Logan Intl
Alaska Airlines
10 Jan
BOS07:00Boston Logan Intl
9h 47m
1 stop
SFO13:47San Francisco
22 Jan
SFO06:00San Francisco
7h 55m
1 stop
BOS16:55Boston Logan Intl

Delta flights from Boston to San Francisco

Our best Delta deals on Boston to San Francisco flight tickets
Delta
10 Jan
BOS07:50Boston Logan Intl
7h 09m
SFO11:59San Francisco
12 Jan
SFO07:20San Francisco
5h 38m
BOS15:58Boston Logan Intl
Delta
13 Dec
BOS20:59Boston Logan Intl
6h 54m
SFO00:53San Francisco
11 Jan
SFO07:20San Francisco
5h 38m
BOS15:58Boston Logan Intl
Delta
12 Dec
BOS07:55Boston Logan Intl
7h 04m
SFO11:59San Francisco
13 Dec
SFO21:55San Francisco
5h 45m
BOS06:40Boston 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 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 return 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

$177

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 $177. The best return flight deal from Boston to San Francisco found on momondo in the last 72 hours is $267.
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?

    San Francisco is 4329.4 km away from Boston Logan Intl. 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 refresh daily.

  • 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 stopovers. 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 necessary travel and health documents for your San Francisco 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 licence 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 San Francisco?


Why use momondo?

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

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

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

Flights from Boston to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Boston to San Francisco flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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 not ready to book a flight from Boston to San Francisco now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Francisco and let you know when they change.


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