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Cheap flights from Boston to San Francisco from £79

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 8/5. 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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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

£79

Fastest flight time

6h 26m

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 £79. The best return flight deal from Boston to San Francisco found on momondo in the last 72 hours is £165.
The fastest flight from Boston to San Francisco takes 6h 26m
Direct flights go from Boston to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)

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?

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

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

Friday. The cheapest day of the week is usually Friday. The most expensive is usually Wednesday.

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

In the evening. Boston to San Francisco flights are approximately 44% more expensive in the morning than in the evening

What is the cheapest airline that flies to San Francisco from Boston?

JetBlue. Alaska Airlines, JetBlue, and United Airlines are the most popular carriers operating from Boston to San Francisco

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?

50 days before. The cheapest time to buy a flight from Boston to San Francisco is approximately 50 days to departure

How many flights depart from Boston to San Francisco on average per day?

As of March 2024, 44 flights take off from Boston and land in San Francisco each day. The most common flight departure time for this route is 17:00, with 40% of daily flights taking off at midday.

How many flights depart from Boston to San Francisco on average per week?

312 flights are operational weekly from Boston to San Francisco as of March 2024. The most popular departure day for this route is Monday, with 16% of flights per week taking off on this day.

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.

When you’re planning your trip from Boston to San Francisco, the most popular airport-to-airport route is Boston Logan Intl Airport to San Francisco Airport. In March, £301 is typically the cheapest round trip price you’ll find from Boston to San Francisco which you can find when you fly BOS — SFO.

Boston Logan Intl Airport (BOS) to San Francisco Airport (SFO)£301
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Easily compare return flights from Boston to San Francisco

Below you can see the best fares for your return flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Boston to San Francisco by changing tabs
JetBlue
8 May
BOS21:30Boston Logan Intl
6h 26m
SFO00:56San Francisco
14 May
SFO11:26San Francisco
8h 33m
1 stop
BOS22:59Boston Logan Intl
Delta
4 May
BOS07:50Boston Logan Intl
6h 58m
SFO11:48San Francisco
11 May
SFO07:00San Francisco
5h 45m
BOS15:45Boston Logan Intl
Alaska Airlines
1 May
BOS18:10Boston Logan Intl
6h 50m
SFO22:00San Francisco
6 May
SFO10:15San Francisco
10h 44m
1 stop
BOS23:59Boston Logan Intl
Sun Country Air
9 May
BOS11:30Boston Logan Intl
24h 56m
1 stop
SFO09:26San Francisco
18 May
SFO18:10San Francisco
13h 23m
1 stop
BOS10:33Boston Logan Intl
United Airlines
29 Aug
BOS13:40Boston Logan Intl
6h 31m
SFO17:11San Francisco
2 Sept
SFO23:30San Francisco
8h 26m
1 stop
BOS10:56Boston Logan Intl
JetBlue
7 May
BOS05:45Boston Logan Intl
10h 57m
1 stop
SFO13:42San Francisco
14 May
SFO08:00San Francisco
10h 26m
1 stop
BOS21:26Boston Logan Intl

Find the cheapest one-way flights from Boston to San Francisco

If you're looking for one-way flights from Boston to San Francisco, view some of our deals below provided by Alaska Airlines, Delta and JetBlue
JetBlue
8 May
BOS06:20Boston Logan Intl
6h 35m
SFO09:55San Francisco
Alaska Airlines
8 May
BOS16:36Boston Logan Intl
9h 52m
1 stop
SFO23:28San Francisco
Delta
1 May
BOS07:50Boston Logan Intl
6h 58m
SFO11:48San Francisco

Search last-minute flights to San Francisco from Boston

Find and compare return flight prices for your last-minute flight from Boston to San Francisco
Delta
2 Apr
BOS07:48Boston Logan Intl
7h 12m
SFO12:00San Francisco
16 Apr
SFO22:05San Francisco
5h 39m
BOS06:44Boston Logan Intl
JetBlue
3 Apr
BOS06:00Boston Logan Intl
6h 30m
SFO09:30San Francisco
10 Apr
SFO06:00San Francisco
5h 48m
BOS14:48Boston Logan Intl
Alaska Airlines
2 Apr
BOS18:59Boston Logan Intl
6h 54m
SFO22:53San Francisco
4 May
SFO07:40San Francisco
5h 42m
BOS16:22Boston Logan Intl
United Airlines
4 Apr
BOS09:45Boston Logan Intl
6h 42m
SFO13:27San Francisco
14 Apr
SFO00:09San Francisco
7h 29m
1 stop
BOS10:38Boston Logan Intl
JetBlue
4 Apr
BOS06:00Boston Logan Intl
6h 30m
SFO09:30San Francisco
21 May
SFO08:00San Francisco
5h 48m
BOS16:48Boston Logan Intl
Delta
4 Apr
BOS07:48Boston Logan Intl
7h 12m
SFO12:00San Francisco
15 Apr
SFO22:05San Francisco
5h 39m
BOS06:44Boston Logan Intl

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 £99Free CancellationRating
7.7
4,840 reviews
Search JetBlue flights
Alaska AirlinesPriceFrom £125Free CancellationRating
8.1
9,127 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom £221Free CancellationRating
7.4
11,481 reviews
Search United Airlines flights
  • Alaska Airlines Flights From Boston to San Francisco

    Alaska Airlines flight deals from Boston to San Francisco start from £158 round-trip. Over the 8 Alaska Airlines flights for this route in a normal week, average airfare is usually £423 round-trip - but some users have found much cheaper deals with momondo.

  • JetBlue Flights From Boston to San Francisco

    Across 4,840 JetBlue reviews on momondo, the average score is 7.7/10. JetBlue flies from Boston to San Francisco about 30 times each week, with ticket deals ranging from £125 to £264. Price data is based on momondo searches in the last 72 hours.


JetBlue flights from Boston to San Francisco

Our best JetBlue deals on Boston to San Francisco flight tickets
JetBlue
8 May
BOS21:30Boston Logan Intl
6h 26m
SFO00:56San Francisco
14 May
SFO11:26San Francisco
8h 33m
1 stop
BOS22:59Boston Logan Intl
JetBlue
7 May
BOS05:45Boston Logan Intl
10h 57m
1 stop
SFO13:42San Francisco
14 May
SFO08:00San Francisco
10h 26m
1 stop
BOS21:26Boston Logan Intl
JetBlue
28 Apr
BOS21:10Boston Logan Intl
6h 26m
SFO00:36San Francisco
7 May
SFO14:00San Francisco
5h 49m
BOS22:49Boston Logan Intl

Delta flights from Boston to San Francisco

Our best Delta deals on Boston to San Francisco flight tickets
Delta
4 May
BOS07:50Boston Logan Intl
6h 58m
SFO11:48San Francisco
11 May
SFO07:00San Francisco
5h 45m
BOS15:45Boston Logan Intl
Delta
29 Apr
BOS17:05Boston Logan Intl
6h 50m
SFO20:55San Francisco
8 May
SFO07:00San Francisco
5h 45m
BOS15:45Boston Logan Intl
Delta
26 Apr
BOS17:05Boston Logan Intl
6h 50m
SFO20:55San Francisco
4 May
SFO13:15San Francisco
5h 38m
BOS21:53Boston Logan Intl

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

    The distance between Boston Logan Intl and San Francisco is about 2690.2 mi. 6h 26m is a normal flight duration for this route.

  • 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 updated daily.

  • 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to San Francisco Airport.

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

    The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


Alternative routes for Boston to San Francisco

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Boston to Los Angeles Flights
Fastest flight time6h 17m
Cheapest price£360

Similar Boston to San Francisco flights

Flexible with your destination? Broaden your search and find flights similar to your Boston to San Francisco route

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Boston.

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

Yes. momondo allows you to filter the results for Boston to San Francisco flights to just show those with flexible booking policies.

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

Once all potential Boston to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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.


An easier way to manage your San Francisco trip

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

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