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Cheap flights from Boston to San Francisco from $98

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 9/7. 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
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Mon 5/13
Mon 5/20

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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 six 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
May 28
BOS3:05 pmBoston Logan Intl
46h 10m
2 stops
SFO10:15 amSan Francisco
Jun 4
SFO8:45 amSan Francisco
34h 19m
2 stops
BOS10:04 pmBoston Logan Intl
American Airlines
Sep 14
BOS1:20 pmBoston Logan Intl
8h 26m
1 stop
SFO6:46 pmSan Francisco
Oct 8
SFO11:59 pmSan Francisco
8h 10m
1 stop
BOS11:09 amBoston Logan Intl
JetBlue
Sep 1
BOS7:00 amBoston Logan Intl
6h 34m
SFO10:34 amSan Francisco
Sep 11
SFO1:10 pmSan Francisco
5h 43m
BOS9:53 pmBoston Logan Intl
Delta
Aug 31
BOS7:05 amBoston Logan Intl
6h 59m
SFO11:04 amSan Francisco
Sep 14
SFO1:00 pmSan Francisco
5h 38m
BOS9:38 pmBoston Logan Intl
Alaska Airlines
May 31
BOS4:01 pmBoston Logan Intl
9h 13m
1 stop
SFO10:14 pmSan Francisco
Aug 11
SFO8:59 pmSan Francisco
5h 36m
BOS5:35 amBoston Logan Intl
United Airlines
May 28
BOS5:00 pmBoston Logan Intl
8h 25m
1 stop
SFO10:25 pmSan Francisco
Jun 4
SFO8:50 amSan Francisco
5h 54m
BOS5:44 pmBoston 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, American Airlines and JetBlue
American Airlines
Sep 7
BOS6:00 amBoston Logan Intl
8h 20m
1 stop
SFO11:20 amSan Francisco
Alaska Airlines
Jun 5
BOS8:45 amBoston Logan Intl
6h 35m
SFO12:20 pmSan Francisco
United Airlines
Jun 11
BOS7:45 amBoston Logan Intl
6h 28m
SFO11:13 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
Alaska Airlines
May 14
BOS6:10 pmBoston Logan Intl
6h 50m
SFO10:00 pmSan Francisco
Jun 15
SFO8:59 pmSan Francisco
5h 36m
BOS5:35 amBoston Logan Intl
American Airlines
May 14
BOS8:50 amBoston Logan Intl
10h 37m
1 stop
SFO4:27 pmSan Francisco
May 21
SFO6:00 amSan Francisco
9h 44m
1 stop
BOS6:44 pmBoston Logan Intl
JetBlue
May 15
BOS9:30 pmBoston Logan Intl
6h 26m
SFO12:56 amSan Francisco
Jun 15
SFO11:59 pmSan Francisco
5h 43m
BOS8:42 amBoston Logan Intl
United Airlines
May 16
BOS9:15 amBoston Logan Intl
6h 42m
SFO12:57 pmSan Francisco
May 26
SFO11:10 amSan Francisco
9h 49m
1 stop
BOS11:59 pmBoston Logan Intl
Delta
May 14
BOS5:10 pmBoston Logan Intl
6h 55m
SFO9:05 pmSan Francisco
Jun 10
SFO9:50 pmSan Francisco
5h 46m
BOS6:36 amBoston Logan Intl
Multiple Airlines
May 16
BOS4:01 pmBoston Logan Intl
9h 13m
1 stop
SFO10:14 pmSan Francisco
May 26
SFO6:10 pmSan Francisco
13h 23m
1 stop
BOS10:33 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
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $94Free CancellationRating
6.4
8,711 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $112Free CancellationRating
8.0
9,147 reviews
Search Alaska Airlines flights
DeltaPriceFrom $118Free CancellationRating
8.0
10,810 reviews
Search Delta flights
JetBluePriceFrom $129Free CancellationRating
7.6
4,530 reviews
Search JetBlue flights
American AirlinesPriceFrom $131Free CancellationRating
7.3
14,686 reviews
Search American Airlines flights
United AirlinesPriceFrom $175Free CancellationRating
7.4
11,073 reviews
Search United Airlines flights
Sun Country AirPriceFrom $177Free CancellationRating
7.2
640 reviews
Search Sun Country Air flights
  • Alaska Airlines Flights From Boston to San Francisco

    The lowest priced Alaska Airlines flight from Boston to San Francisco from the last 72 hours was $112. Generally, Alaska Airlines has 8 flights on this route every week with an average price of $375. Alaska Airlines is rated 8.0/10 by our users.

  • Delta Flights From Boston to San Francisco

    The best Delta deal for Boston to San Francisco flight tickets found on momondo in the last 72 hours was $118, round-trip. It should be noted that an average Delta flight deal for this route in this time was higher, at $340 round-trip. Delta operates 3 flights out of Boston into San Francisco in an average week, so prices vary by time and availability. 10,810 Delta reviews by users on momondo have scored the airline at 8.0/10.


American Airlines flights from Boston to San Francisco

Our best American Airlines deals on Boston to San Francisco flight tickets
American Airlines
Sep 14
BOS1:20 pmBoston Logan Intl
8h 26m
1 stop
SFO6:46 pmSan Francisco
Oct 8
SFO11:59 pmSan Francisco
8h 10m
1 stop
BOS11:09 amBoston Logan Intl
American Airlines
Aug 20
BOS12:23 pmBoston Logan Intl
8h 25m
1 stop
SFO5:48 pmSan Francisco
Aug 20
SFO9:54 pmSan Francisco
8h 22m
1 stop
BOS9:16 amBoston Logan Intl
American Airlines
Aug 31
BOS6:00 amBoston Logan Intl
9h 15m
1 stop
SFO12:15 pmSan Francisco
Sep 3
SFO6:15 amSan Francisco
9h 23m
1 stop
BOS6:38 pmBoston Logan Intl

JetBlue flights from Boston to San Francisco

Our best JetBlue deals on Boston to San Francisco flight tickets
JetBlue
Sep 1
BOS7:00 amBoston Logan Intl
6h 34m
SFO10:34 amSan Francisco
Sep 11
SFO1:10 pmSan Francisco
5h 43m
BOS9:53 pmBoston Logan Intl
JetBlue
May 28
BOS8:00 amBoston Logan Intl
6h 53m
SFO11:53 amSan Francisco
Jun 4
SFO1:12 pmSan Francisco
5h 38m
BOS9:50 pmBoston Logan Intl
JetBlue
Sep 3
BOS3:20 pmBoston Logan Intl
10h 53m
1 stop
SFO11:13 pmSan Francisco
Sep 10
SFO11:30 amSan Francisco
5h 45m
BOS8:15 pmBoston Logan Intl

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?

February. The cheapest time of year to fly to San Francisco from Boston is February. Most expensive is June

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

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

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

In the evening. Boston to San Francisco flights are approximately 17% more expensive in the afternoon than in the evening

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

Spirit Airlines. Alaska Airlines, Delta, and JetBlue 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?

52 days before. The cheapest time to buy a flight from Boston to San Francisco is approximately 52 days to departure

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

As of May 2024, there are 44 flights per week flying from Boston to San Francisco. The most common time of day flights depart is 5:00PM, with 43% of flights taking off in the afternoon.

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

The number of flights available between Boston and San Francisco is 312 per week as of May 2024. The most frequent departure day is Monday, with 16% of weekly flights leaving on this day.

What cabin class options are available on Boston to San Francisco flights?

There are 4 cabin classes available to choose from on Boston 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 17% on your flight if you consider stops on a Boston to San Francisco flight.

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

$98

Fastest flight time

6h 25m

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 $98. The best round-trip flight deal from Boston to San Francisco found on momondo in the last 72 hours is $170.
The fastest flight from Boston to San Francisco takes 6h 25m
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?

    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 25m.

  • 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 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 layovers. 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 license 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.


Why use momondo?

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

Finding the right flight to San Francisco from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco quick and easy, saving you time and money.

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

All flight searches from Boston to San Francisco on momondo can be filtered to show those which offer 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 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.


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