Cheap flights from Boston to San Francisco

Return
1 adult
Economy
From?
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Wed 22/9
Wed 29/9

Travel Restriction Alert

The COVID-19 (coronavirus) outbreak may impact travel from Boston Logan Intl to San Francisco.
View current United States travel restrictions

Flight information for Boston to San Francisco
(BOS to SFO)

Find info about flight duration, direct flights, and airports for your flight from Boston to San Francisco
Best price found£114The best flight deal from Boston to San Francisco found on momondo in the last 72 hours is £114
Fastest flight time6h 39mThe fastest flight from Boston to San Francisco takes 6h 39m
Direct flightsMonDirect flights go from Boston to San Francisco on Monday. The only airline offering direct flights is Alaska Airlines.
Airports in San Francisco1 airportThere 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 December.

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

Tuesday

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

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

in the evening

Boston to San Francisco flights are approximately 60% more expensive in the afternoon than in the evening

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

Alaska Airlines

Alaska Airlines, American Airlines, and Delta 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?

31 days before

The cheapest time to buy a flight from Boston to San Francisco is approximately 31 days to departure


Easily compare return flights from Boston to San Francisco

Below you can see the best fares for your return flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Boston to San Francisco by changing tabs
American Airlines
BOSBoston Logan Intl
6h 43m
SFOSan Francisco

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 American Airlines
American Airlines
BOSBoston Logan Intl
6h 43m
SFOSan Francisco

Search last-minute flights to San Francisco from Boston

Find and compare flight prices for your last-minute flight from Boston to San Francisco
Multiple Airlines
23 Sep
BOS15:00Boston Logan Intl
6h 39m
SFO21:39San Francisco
28 Sep
SFO12:40San Francisco
15h 31m
2 stops
BOS04:11Boston Logan Intl
Multiple Airlines
21 Sep
BOS02:00Boston Logan Intl
6h 35m
SFO08:35San Francisco
22 Sep
SFO20:49San Francisco
20h 25m
2 stops
BOS17:14Boston Logan Intl
Multiple Airlines
21 Sep
BOS01:15Boston Logan Intl
21h 39m
3 stops
SFO22:54San Francisco
5 Oct
SFO03:00San Francisco
5h 34m
BOS08:34Boston Logan Intl
Multiple Airlines
23 Sep
BOS17:10Boston Logan Intl
6h 33m
SFO23:43San Francisco
29 Sep
SFO02:00San Francisco
21h 29m
2 stops
BOS23:29Boston Logan Intl
Multiple Airlines
22 Sep
BOS02:00Boston Logan Intl
6h 35m
SFO08:35San Francisco
29 Sep
SFO02:00San Francisco
21h 29m
2 stops
BOS23:29Boston Logan Intl
Multiple Airlines
22 Sep
BOS09:45Boston Logan Intl
6h 38m
SFO16:23San Francisco
24 Sep
SFO19:05San Francisco
22h 09m
2 stops
BOS17:14Boston 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
AirlineRatingFree cancellationPrice
American Airlines
PriceFrom £77
Free cancellation
Rating
7.2
Alaska Airlines
PriceFrom £82
Free cancellation
Rating
8.3
Delta
PriceFrom £111
Free cancellation
Rating
8.3
United Airlines
PriceFrom £131
Free cancellation
Rating
6.8
JetBlue
PriceFrom £189
Free cancellation
Rating
7.0

  • Are airlines flying from Boston Logan Intl to San Francisco offering flexible cancellation due to COVID-19?

    Some of our partner airlines flying from Boston Logan Intl to San Francisco are adapting new policies due to the global impact of COVID-19. Some of the airlines that may be waiving their cancellation fees are Alaska Airlines, United Airlines, and Delta. You can search for the full list of airlines such as Alaska Airlines that are offering this flexibility.

  • 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 35m is a normal flight duration for this route.


Can I fly to San Francisco from Boston Logan Intl right now?

Information is based on travel restrictions for travel to San Francisco within the United States

Most visitors from Boston Logan Intl will not be allowed to enter San Francisco.

COVID-19 testing requirements
Visitors from Boston Logan Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Francisco.

Quarantine requirements
Visitors from Boston Logan Intl are not required to quarantine after entering San Francisco.

Can I fly back to Boston Logan Intl from San Francisco?

Returning to Boston Logan Intl from San Francisco

COVID-19 testing requirements
Visitors from San Francisco must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Boston Logan Intl.

Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering Boston Logan Intl.

If you are planning to travel to San Francisco at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.