Cheap flights from San Francisco to Boston from $173

Return
1 adult
Economy
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Wed 29/6
Wed 6/7

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

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Boston

Fastest flight time

5h 44m

Direct flights

Mon, Tue, Wed, Thu, Sat and Sun

Airports in Boston

2 airports
The fastest flight from San Francisco to Boston takes 5h 44m
Direct flights go from San Francisco to Boston on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. Airlines offering direct flights are: American Airlines and Alaska Airlines.
There are 2 airports near Boston: Boston Logan Intl (BOS), Boston Harbor SPB (BNH)

How to get the cheapest flight ticket from San Francisco to Boston

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 San Francisco to Boston?

January

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

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

Saturday

The cheapest day of the week is usually Saturday. The most expensive is usually Saturday.

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

in the morning

San Francisco to Boston flights are approximately 0% more expensive in the morning than in the morning

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

Alaska Airlines

Alaska Airlines is the most popular carrier operating from San Francisco to Boston

What is the cheapest San Francisco to Boston flight route?

San Francisco - Boston Logan Intl

Fly from San Francisco to Boston Logan Intl for the best San Francisco - Boston flight prices

How far in advance should you book San Francisco to Boston flights?

42 days before

The cheapest time to buy a flight from San Francisco to Boston is approximately 42 days to departure

If you are looking to fly from San Francisco to Boston, you are most likely going to fly from San Francisco Airport to Boston Logan Intl Airport, the most popular airports on that route. The cheapest route from San Francisco to Boston is SFO — BOS with an average price of $873 RT during the month of June.

San Francisco Airport (SFO) to Boston Logan Intl Airport (BOS)$873
Search Flight Deals

Easily compare return flights from San Francisco to Boston

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 San Francisco to Boston by changing tabs
JetBlue
13 Sep.
SFO12:30San Francisco
5h 36m
BOS18:06Boston Logan Intl
20 Sep.
BOS16:19Boston Logan Intl
6h 36m
SFO22:55San Francisco
Delta
25 Oct.
SFO03:00San Francisco
5h 35m
BOS08:35Boston Logan Intl
28 Oct.
BOS14:50Boston Logan Intl
6h 58m
SFO21:48San Francisco
United Airlines
8 Nov.
SFO16:35San Francisco
5h 36m
BOS22:11Boston Logan Intl
12 Nov.
BOS07:00Boston Logan Intl
11h 35m
1 stop
SFO18:35San Francisco
Alaska Airlines
1 Dec.
SFO05:00San Francisco
10h 55m
1 stop
BOS15:55Boston Logan Intl
5 Dec.
BOS13:20Boston Logan Intl
6h 52m
SFO20:12San Francisco
Delta
24 Sep.
SFO03:00San Francisco
5h 50m
BOS08:50Boston Logan Intl
1 Oct.
BOS03:55Boston Logan Intl
6h 39m
SFO10:34San Francisco
JetBlue
14 Sep.
SFO12:30San Francisco
5h 36m
BOS18:06Boston Logan Intl
21 Sep.
BOS12:15Boston Logan Intl
6h 40m
SFO18:55San Francisco

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

If you're looking for one-way flights from San Francisco to Boston, view some of our deals below provided by Alaska Airlines, Delta and JetBlue
Delta
27 Sep.
SFO09:25San Francisco
5h 52m
BOS15:17Boston Logan Intl
JetBlue
16 Sep.
SFO16:35San Francisco
5h 33m
BOS22:08Boston Logan Intl
Alaska Airlines
12 Oct.
SFO03:35San Francisco
5h 38m
BOS09:13Boston Logan Intl

Search last-minute flights to Boston from San Francisco

Find and compare return flight prices for your last-minute flight from San Francisco to Boston
JetBlue
4 Jul.
SFO06:35San Francisco
5h 45m
BOS12:20Boston Logan Intl
6 Jul.
BOS14:00Boston Logan Intl
6h 52m
SFO20:52San Francisco
United Airlines
4 Jul.
SFO18:50San Francisco
8h 25m
1 stop
BOS03:15Boston Logan Intl
7 Jul.
BOS16:34Boston Logan Intl
6h 34m
SFO23:08San Francisco
Delta
2 Jul.
SFO20:31San Francisco
7h 18m
1 stop
BOS03:49Boston Logan Intl
13 Jul.
BOS13:00Boston Logan Intl
6h 51m
SFO19:51San Francisco
JetBlue
4 Jul.
SFO11:15San Francisco
11h 12m
1 stop
BOS22:27Boston Logan Intl
6 Jul.
BOS14:00Boston Logan Intl
6h 52m
SFO20:52San Francisco
JetBlue
3 Jul.
SFO03:55San Francisco
5h 50m
BOS09:45Boston Logan Intl
6 Jul.
BOS14:00Boston Logan Intl
6h 52m
SFO20:52San Francisco
Delta
3 Jul.
SFO20:31San Francisco
10h 20m
1 stop
BOS06:51Boston Logan Intl
7 Jul.
BOS11:10Boston Logan Intl
11h 03m
1 stop
SFO22:13San Francisco

Best airlines flying from San Francisco to Boston

Compare and see reviews for airlines that fly from San Francisco to Boston with momondo
AirlineRatingFree cancellationPrice
Alaska AirlinesPriceFrom $311Free cancellationRating
8.0
Search Alaska Airlines flights
  • Alaska Airlines Flights From San Francisco to Boston

    Alaska Airlines flies from San Francisco to Boston around 2 times per week, with 627 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from San Francisco to Boston in the last 72 hours was $214 (return), much lower than the average airfare cost of $544 for Alaska Airlines flights on this route.


Alaska Airlines flights from San Francisco to Boston

Our best Alaska Airlines deals on San Francisco to Boston flight tickets
Alaska Airlines
1 Dec.
SFO05:00San Francisco
10h 55m
1 stop
BOS15:55Boston Logan Intl
5 Dec.
BOS13:20Boston Logan Intl
6h 52m
SFO20:12San Francisco
Alaska Airlines
15 Sep.
SFO02:15San Francisco
8h 05m
1 stop
BOS10:20Boston Logan Intl
19 Sep.
BOS13:45Boston Logan Intl
6h 37m
SFO20:22San Francisco

JetBlue flights from San Francisco to Boston

Our best JetBlue deals on San Francisco to Boston flight tickets
JetBlue
13 Sep.
SFO12:30San Francisco
5h 36m
BOS18:06Boston Logan Intl
20 Sep.
BOS16:19Boston Logan Intl
6h 36m
SFO22:55San Francisco
JetBlue
14 Sep.
SFO12:30San Francisco
5h 36m
BOS18:06Boston Logan Intl
21 Sep.
BOS12:15Boston Logan Intl
6h 40m
SFO18:55San Francisco
JetBlue
8 Sep.
SFO12:30San Francisco
5h 36m
BOS18:06Boston Logan Intl
13 Sep.
BOS04:20Boston Logan Intl
10h 00m
1 stop
SFO14:20San Francisco

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

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

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

    Boston Logan Intl is 4329.4 km away from San Francisco. Typically, this will take 5h 28m by plane in normal conditions.



Alternative routes for San Francisco to Boston

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Los Angeles to Boston Flights
Fastest flight time5h 40m
Cheapest price$1,156

Why use momondo?

It is quick and easy to find San Francisco to Boston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Boston that suits you.

Yes. All flights to Boston from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Boston from San Francisco.

Price alerts on flights to Boston from San Francisco are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


Here's why travellers choose to use momondo
Flexible Travel
momondo understands the need for flexibility and we have a filter specifically for flights with no change fees.
Expert Insights
Data driven insights designed to help you find a great flight deal. From the cheapest time to depart to how far in advance to book.
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