Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Boston to San Francisco from $182

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 25/2. 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
'This year, momondo is the #1 place for airfares on the internet.'
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? Stopover? Instantly customise 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.

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.
06:00 - 09:55BOS-SFO
6h 55mdirect
11:05 - 19:43SFO-BOS
5h 38mdirect
$361JetBlue
Find Deal
Fri, 24 Jan - Thu, 30 Jan
07:50 - 11:59BOS-SFO
7h 09mdirect
13:15 - 21:54SFO-BOS
5h 39mdirect
$363Delta
Find Deal
Wed, 29 Jan - Fri, 7 Feb
17:50 - 21:56BOS-SFO
7h 06mdirect
07:30 - 16:10SFO-BOS
5h 40mdirect
$365Delta
Find Deal
Sat, 22 Feb - Mon, 3 Mar
20:05 - 23:39BOS-SFO
6h 34mdirect
15:50 - 00:25SFO-BOS
5h 35mdirect
$366JetBlue
Find Deal
Wed, 30 Apr - Wed, 7 May
08:00 - 11:53BOS-SFO
6h 53mdirect
23:59 - 10:56SFO-BOS
7h 57m1 stop
$379United Airlines
Find Deal
Sat, 18 Jan - Sat, 25 Jan
18:00 - 21:50BOS-SFO
6h 50mdirect
23:20 - 07:57SFO-BOS
5h 37mdirect
$389United Airlines
Find Deal
Mon, 10 Feb - Sat, 15 Feb
17:24 - 08:00BOS-SFO
17h 36m1 stop
18:43 - 15:29SFO-BOS
17h 46m1 stop
$390Alaska Airlines
Find Deal
Wed, 22 Jan - Wed, 5 Feb
07:00 - 13:47BOS-SFO
9h 47m1 stop
10:00 - 23:59SFO-BOS
10h 59m1 stop
$393Alaska Airlines
Find Deal
Thu, 30 Jan - Thu, 6 Feb
13:25 - 22:15BOS-SFO
11h 50m2 stops
05:00 - 19:00SFO-BOS
11h 00m2 stops
$513Southwest
Find Deal
Wed, 19 Feb - Fri, 21 Feb
06:05 - 14:50BOS-SFO
11h 45m2 stops
07:15 - 22:15SFO-BOS
12h 00m2 stops
$529Southwest
Find Deal
Wed, 15 Jan - Thu, 16 Jan
10:05 - 13:54BOS-SFO
6h 49mdirect
$182JetBlue
Find Deal
Tue, 25 Feb
07:00 - 10:50BOS-SFO
6h 50mdirect
$184JetBlue
Find Deal
Wed, 19 Feb
16:41 - 22:51BOS-SFO
9h 10m1 stop
$190United Airlines
Find Deal
Mon, 24 Mar
14:00 - 19:55BOS-SFO
8h 55m1 stop
$197United Airlines
Find Deal
Tue, 25 Feb
07:00 - 16:31BOS-SFO
12h 31m2 stops
$201Alaska Airlines
Find Deal
Thu, 30 Jan
07:40 - 11:49BOS-SFO
7h 09mdirect
$206Delta
Find Deal
Wed, 8 Jan
17:55 - 16:31BOS-SFO
25h 36m2 stops
$211Alaska Airlines
Find Deal
Thu, 23 Jan
21:05 - 11:50BOS-SFO
17h 45m2 stops
$216Southwest
Find Deal
Thu, 20 Feb
07:55 - 12:04BOS-SFO
7h 09mdirect
$229Delta
Find Deal
Sun, 23 Feb
06:05 - 14:50BOS-SFO
11h 45m2 stops
$325Southwest
Find Deal
Fri, 10 Jan
07:55 - 11:59BOS-SFO
7h 04mdirect
07:30 - 16:10SFO-BOS
5h 40mdirect
$606Delta
Find Deal
Tue, 24 Dec - Sat, 25 Jan
18:45 - 22:31BOS-SFO
6h 46mdirect
22:35 - 09:56SFO-BOS
8h 21m1 stop
$620JetBlue
Find Deal
Tue, 24 Dec - Sat, 25 Jan
18:59 - 23:03BOS-SFO
7h 04mdirect
16:19 - 23:59SFO-BOS
28h 40m2 stops
$633Alaska Airlines
Find Deal
Tue, 24 Dec - Sat, 25 Jan
18:59 - 23:03BOS-SFO
7h 04mdirect
07:00 - 15:44SFO-BOS
5h 44mdirect
$728Alaska Airlines
Find Deal
Sun, 22 Dec - Fri, 3 Jan
20:59 - 00:45BOS-SFO
6h 46mdirect
11:40 - 00:18SFO-BOS
9h 38m1 stop
$742JetBlue
Find Deal
Tue, 24 Dec - Mon, 6 Jan
06:00 - 09:55BOS-SFO
6h 55mdirect
20:20 - 05:01SFO-BOS
5h 41mdirect
$760United Airlines
Find Deal
Wed, 25 Dec - Sat, 4 Jan
07:25 - 16:55BOS-SFO
12h 30m2 stops
06:00 - 19:10SFO-BOS
10h 10m1 stop
$766Southwest
Find Deal
Wed, 25 Dec - Sat, 4 Jan
13:24 - 21:13BOS-SFO
10h 49m1 stop
16:35 - 05:56SFO-BOS
10h 21m2 stops
$820United Airlines
Find Deal
Tue, 24 Dec - Fri, 24 Jan
07:25 - 16:55BOS-SFO
12h 30m2 stops
05:00 - 18:20SFO-BOS
10h 20m2 stops
$836Southwest
Find Deal
Wed, 25 Dec - Sat, 4 Jan
11:46 - 17:07BOS-SFO
8h 21m1 stop
23:59 - 10:51SFO-BOS
7h 52m1 stop
$927Sun Country Air
Find Deal
Thu, 26 Dec - Tue, 31 Dec
06:00 - 09:55BOS-SFO
6h 55mdirect
11:05 - 19:43SFO-BOS
5h 38mdirect
$361JetBlue
Find Deal
Fri, 24 Jan - Thu, 30 Jan
07:50 - 11:59BOS-SFO
7h 09mdirect
13:15 - 21:54SFO-BOS
5h 39mdirect
$363Delta
Find Deal
Wed, 29 Jan - Fri, 7 Feb
17:50 - 21:56BOS-SFO
7h 06mdirect
07:30 - 16:10SFO-BOS
5h 40mdirect
$365Delta
Find Deal
Sat, 22 Feb - Mon, 3 Mar
20:05 - 23:39BOS-SFO
6h 34mdirect
15:50 - 00:25SFO-BOS
5h 35mdirect
$366JetBlue
Find Deal
Wed, 30 Apr - Wed, 7 May
07:40 - 11:49BOS-SFO
7h 09mdirect
07:30 - 16:10SFO-BOS
5h 40mdirect
$387Delta
Find Deal
Wed, 8 Jan - Tue, 21 Jan
18:00 - 21:50BOS-SFO
6h 50mdirect
23:20 - 07:57SFO-BOS
5h 37mdirect
$389United Airlines
Find Deal
Mon, 10 Feb - Sat, 15 Feb
17:54 - 21:50BOS-SFO
6h 56mdirect
23:20 - 07:57SFO-BOS
5h 37mdirect
$390United Airlines
Find Deal
Sat, 15 Feb - Wed, 19 Feb
20:05 - 23:39BOS-SFO
6h 34mdirect
15:50 - 00:25SFO-BOS
5h 35mdirect
$395JetBlue
Find Deal
Thu, 15 May - Wed, 21 May
19:59 - 23:57BOS-SFO
6h 58mdirect
07:44 - 16:27SFO-BOS
5h 43mdirect
$643Alaska Airlines
Find Deal
Tue, 25 Mar - Sat, 29 Mar
19:59 - 23:57BOS-SFO
6h 58mdirect
07:44 - 16:27SFO-BOS
5h 43mdirect
$675Alaska 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
BOS06:00Boston Logan Intl
6h 55m
SFO09:55San Francisco
30 Jan
SFO11:05San Francisco
5h 38m
BOS19:43Boston Logan Intl
JetBlue
30 Apr
BOS20:05Boston Logan Intl
6h 34m
SFO23:39San Francisco
7 May
SFO15:50San Francisco
5h 35m
BOS00:25Boston Logan Intl
JetBlue
27 Jan
BOS06:00Boston Logan Intl
6h 55m
SFO09:55San Francisco
27 Jan
SFO12:55San Francisco
8h 23m
1 stop
BOS00:18Boston 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
BOS17:24Boston Logan Intl
17h 36m
1 stop
SFO08:00San Francisco
5 Feb
SFO18:43San Francisco
17h 46m
1 stop
BOS15:29Boston Logan Intl
Alaska Airlines
30 Jan
BOS07:00Boston Logan Intl
9h 47m
1 stop
SFO13:47San Francisco
6 Feb
SFO10:00San Francisco
10h 59m
1 stop
BOS23:59Boston Logan Intl
Alaska Airlines
24 Feb
BOS16:23Boston Logan Intl
10h 22m
1 stop
SFO23:45San Francisco
5 Mar
SFO11:35San Francisco
9h 24m
1 stop
BOS23:59Boston 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?

If you aren’t able to travel during the month of February, then book flights to San Francisco from Boston during September instead. Flights to San Francisco in September, while not as cheap as those in February, still average around $489.

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?

The best time to book a flight to San Francisco from Boston is 56 days out, which is when prices tend to be around $574. Keep in mind that you might be able to find cheaper flights to San Francisco at any time. In fact, our users found flights for as low as $665 in the past 72 hours.

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 5% 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

$182

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 $182. The best return flight deal from Boston to San Francisco found on momondo in the last 72 hours is $361.
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 34m.

  • 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.


An easier way to manage your San Francisco trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Fri 27/12
Fri 3/1
Email me momondo's favourite deals

Find better results for your trip to the United States