Cheap flights from Boston to San Francisco from $71

Round-trip
1 adult
Economy
From?
To?
Tue 2/1
Tue 2/8

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$71The best one-way flight to San Francisco from Boston in the past 72 hours is $71. The best round-trip flight deal from Boston to San Francisco found on momondo in the last 72 hours is $184.
Fastest flight time7h 02mThe fastest flight from Boston to San Francisco takes 7h 02m
Direct flightsMon, Fri, Sat and SunDirect flights go from Boston to San Francisco on Monday, Friday, Saturday and Sunday. The only airline offering direct flights is JetBlue.
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. Most expensive is December

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

Wednesday

The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday

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

at noon

Boston to San Francisco flights are approximately 37% more expensive in the afternoon than at noon

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

Spirit 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 round-trip flights from Boston to San Francisco

Below you can see the best fares for your round-trip 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
Multiple Airlines
Feb 14
BOS5:14 amBoston Logan Intl
40h 53m
2 stops
SFO10:07 pmSan Francisco
Feb 21
SFO7:59 pmSan Francisco
14h 22m
2 stops
BOS10:21 amBoston Logan Intl
Alaska Airlines
Feb 15
BOS1:50 pmBoston Logan Intl
7h 00m
SFO8:50 pmSan Francisco
Feb 22
SFO4:05 amSan Francisco
5h 30m
BOS9:35 amBoston Logan Intl
American Airlines
Apr 26
BOS1:44 pmBoston Logan Intl
6h 55m
SFO8:39 pmSan Francisco
May 2
SFO7:59 pmSan Francisco
5h 45m
BOS1:44 amBoston Logan Intl
JetBlue
Feb 16
BOS6:19 amBoston Logan Intl
11h 54m
1 stop
SFO6:13 pmSan Francisco
Feb 16
SFO6:59 pmSan Francisco
5h 27m
BOS12:26 amBoston Logan Intl
Delta
Feb 12
BOS3:15 amBoston Logan Intl
7h 05m
SFO10:20 amSan Francisco
Feb 19
SFO10:05 amSan Francisco
5h 33m
BOS3:38 pmBoston Logan Intl
United Airlines
Feb 23
BOS1:00 pmBoston Logan Intl
6h 53m
SFO7:53 pmSan Francisco
Mar 1
SFO7:16 pmSan Francisco
7h 44m
1 stop
BOS3:00 amBoston 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, Frontier and JetBlue
Alaska Airlines
Mar 9
BOS1:54 pmBoston Logan Intl
6h 57m
SFO8:51 pmSan Francisco
Multiple Airlines
Feb 5
BOS6:05 amBoston Logan Intl
15h 59m
2 stops
SFO10:04 pmSan Francisco
Frontier
Feb 9
BOS6:10 amBoston Logan Intl
23h 34m
2 stops
SFO5:44 amSan Francisco

Search last-minute flights to San Francisco from Boston

Find and compare round-trip flight prices for your last-minute flight from Boston to San Francisco
Multiple Airlines
Feb 2
BOS6:35 amBoston Logan Intl
23h 10m
2 stops
SFO5:45 amSan Francisco
Mar 8
SFO4:05 amSan Francisco
5h 30m
BOS9:35 amBoston Logan Intl
Alaska Airlines
Feb 6
BOS1:50 pmBoston Logan Intl
7h 00m
SFO8:50 pmSan Francisco
Feb 18
SFO4:05 amSan Francisco
5h 30m
BOS9:35 amBoston Logan Intl
JetBlue
Feb 1
BOS3:43 amBoston Logan Intl
6h 52m
SFO10:35 amSan Francisco
Feb 16
SFO4:02 pmSan Francisco
8h 29m
1 stop
BOS12:31 amBoston Logan Intl
United Airlines
Feb 2
BOS1:06 pmBoston Logan Intl
6h 53m
SFO7:59 pmSan Francisco
Mar 7
SFO7:16 pmSan Francisco
7h 14m
1 stop
BOS2:30 amBoston Logan Intl
American Airlines
Feb 4
BOS7:47 amBoston Logan Intl
14h 26m
2 stops
SFO10:13 pmSan Francisco
Feb 22
SFO3:42 amSan Francisco
8h 54m
1 stop
BOS12:36 pmBoston Logan Intl
Multiple Airlines
Feb 2
BOS6:35 amBoston Logan Intl
23h 10m
2 stops
SFO5:45 amSan Francisco
Feb 12
SFO1:06 pmSan Francisco
19h 42m
2 stops
BOS8:48 amBoston 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
Spirit Airlines
PriceFrom $107
Free Cancellation
Rating
6.3
6.4

Boarding

6.0

Comfort

6.9

Crew

5.0

Entertainment

5.3

Food

Reviews

The seats on spirit flights could use serious improvement.

1 / 10
Alaska Airlines
PriceFrom $108
Free Cancellation
Rating
7.9
8.2

Boarding

8.0

Comfort

8.4

Crew

7.4

Entertainment

7.3

Food

Reviews

Delays on both flight, service not so good, couldnt find anything to like about the 2 flights

1 / 10
Frontier
PriceFrom $114
Free Cancellation
Rating
6.2
6.5

Boarding

5.9

Comfort

7.0

Crew

4.8

Entertainment

5.1

Food

Reviews

On the mike they said if you can breathe it means your not wearing your mask properly

1 / 10
Delta
PriceFrom $118
Free Cancellation
Rating
8.0
8.1

Boarding

8.1

Comfort

8.2

Crew

7.9

Entertainment

7.7

Food

Reviews

Even after posting extra for comfort +, the seats do not recline!

1 / 10
Sun Country Air
PriceFrom $118
Free Cancellation
Rating
7.4
7.6

Boarding

7.5

Comfort

8.3

Crew

6.4

Entertainment

6.5

Food

Reviews

Easy boarding, plenty of overhead space, entertaining staff, good progress communication, and on-time arrival.

1 / 10
United Airlines
PriceFrom $118
Free Cancellation
Rating
7.3
7.5

Boarding

7.1

Comfort

7.8

Crew

7.0

Entertainment

6.7

Food

Reviews

Crew was great. Seats were great. Luggage drop off was a little confusing but was easier than waiting in a long line.

1 / 10
American Airlines
PriceFrom $126
Free Cancellation
Rating
7.2
7.4

Boarding

7.1

Comfort

7.8

Crew

7.1

Entertainment

6.8

Food

Reviews

Flight attendant for first class is definitely not a morning person. Oh and the WiFi DID NOT WORK!

1 / 10
JetBlue
PriceFrom $128
Free Cancellation
Rating
7.2
7.4

Boarding

7.7

Comfort

8.0

Crew

7.3

Entertainment

6.9

Food

Reviews

Delay yet again

1 / 10

American Airlines flights from Boston to San Francisco

Our best American Airlines deals on Boston to San Francisco flight tickets
American Airlines
Apr 26
BOS1:44 pmBoston Logan Intl
6h 55m
SFO8:39 pmSan Francisco
May 2
SFO7:59 pmSan Francisco
5h 45m
BOS1:44 amBoston Logan Intl
American Airlines
Feb 7
BOS2:52 amBoston Logan Intl
16h 24m
2 stops
SFO7:16 pmSan Francisco
Feb 8
SFO6:30 pmSan Francisco
9h 25m
1 stop
BOS3:55 amBoston Logan Intl
American Airlines
Feb 23
BOS7:47 amBoston Logan Intl
11h 21m
1 stop
SFO7:08 pmSan Francisco
Mar 8
SFO3:22 amSan Francisco
11h 11m
1 stop
BOS2:33 pmBoston Logan Intl

Delta flights from Boston to San Francisco

Our best Delta deals on Boston to San Francisco flight tickets
Delta
Feb 12
BOS3:15 amBoston Logan Intl
7h 05m
SFO10:20 amSan Francisco
Feb 19
SFO10:05 amSan Francisco
5h 33m
BOS3:38 pmBoston Logan Intl
Delta
Feb 16
BOS6:59 amBoston Logan Intl
14h 49m
1 stop
SFO9:48 pmSan Francisco
Feb 19
SFO12:42 amSan Francisco
7h 23m
1 stop
BOS8:05 amBoston Logan Intl
Delta
Feb 9
BOS3:15 amBoston Logan Intl
7h 05m
SFO10:20 amSan Francisco
Feb 15
SFO10:05 amSan Francisco
5h 33m
BOS3:38 pmBoston Logan Intl

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

    Due to the global impact of COVID-19, some of our airline partners operating flights from Boston Logan Intl to San Francisco, such as United Airlines, JetBlue, and Delta may have put in place flexible cancellation policies. Use our site to search for all of the airlines offering this flexibility to you.

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

    The straight-line distance from Boston Logan Intl to San Francisco is 2690.2 mi. In terms of flight time, this usually takes a little over 6h 51m.


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 need to provide a negative COVID-19 test result and/or quarantine 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 24 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 24 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.

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 14m
Cheapest price$128
Boston to San Diego Flights
Fastest flight time6h 05m
Cheapest price$118
Boston to Ontario Flights
Fastest flight time7h 27m
Cheapest price$194
Boston to Reno Flights
Fastest flight time7h 33m
Cheapest price$207
Boston to Palm Springs Flights
Fastest flight time6h 20m
Cheapest price$194
Boston to Oakland, California Flights
Fastest flight time8h 56m
Cheapest price$140
Boston to Santa Ana Flights
Fastest flight time7h 29m
Cheapest price$121
Boston to San Jose Flights
Fastest flight time6h 26m
Cheapest price$216
Boston to Sacramento Flights
Fastest flight time6h 27m
Cheapest price$134
Boston to Long Beach Flights
Fastest flight time8h 07m
Cheapest price$244
Boston to Burbank Flights
Fastest flight time7h 30m
Cheapest price$125
Boston to Santa Barbara Flights
Fastest flight time7h 48m
Cheapest price$289

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