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Cheap flights from San Francisco to Boston from $132

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Boston departing on 11/14. 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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JetBlue Logo
7:00 am - 5:50 pmSFO-BOS
7h 50m1 stop
JetBlue Logo
10:05 am - 5:13 pmBOS-SFO
10h 08m1 stop
$216JetBlue
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Sat, Jan 17 - Sat, Jan 24
Southwest Logo
10:50 am - 9:40 pmSFO-BOS
7h 50m1 stop
Southwest Logo
7:20 am - 1:55 pmBOS-SFO
9h 35m1 stop
$217Southwest
Find Deal
Thu, Dec 4 - Wed, Dec 10
American Airlines Logo
1:11 pm - 12:13 amSFO-BOS
8h 02m1 stop
American Airlines Logo
6:10 am - 12:21 pmBOS-SFO
9h 11m1 stop
$218American Airlines
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Tue, Dec 9 - Tue, Dec 16
Alaska Airlines Logo
11:41 am - 5:44 pmSFO-BOS
27h 03m1 stop
Alaska Airlines Logo
4:20 pm - 10:47 pmBOS-SFO
9h 27m1 stop
$220Alaska Airlines
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Sat, Jan 31 - Sun, Feb 8
Alaska Airlines Logo
7:00 am - 5:44 pmSFO-BOS
7h 44m1 stop
Alaska Airlines Logo
4:20 pm - 10:47 pmBOS-SFO
9h 27m1 stop
$222Alaska Airlines
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Thu, Feb 5 - Sun, Feb 8
United Airlines Logo
8:25 am - 5:06 pmSFO-BOS
5h 41mnonstop
United Airlines Logo
8:30 pm - 12:24 amBOS-SFO
6h 54mnonstop
$223United Airlines
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Wed, Nov 19 - Sat, Nov 22
Delta Logo
9:48 pm - 6:25 amSFO-BOS
5h 37mnonstop
Delta Logo
5:40 pm - 9:44 pmBOS-SFO
7h 04mnonstop
$227Delta
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Mon, Nov 17 - Wed, Jan 7
Delta Logo
7:00 am - 3:35 pmSFO-BOS
5h 35mnonstop
Delta Logo
5:40 pm - 9:44 pmBOS-SFO
7h 04mnonstop
$231Delta
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Thu, Nov 13 - Thu, Jan 8
United Airlines Logo
8:25 am - 5:06 pmSFO-BOS
5h 41mnonstop
United Airlines Logo
3:10 pm - 9:19 pmBOS-SFO
9h 09m1 stop
$233United Airlines
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Wed, Nov 19 - Sun, Nov 23
Hawaiian Airlines Logo
7:00 am - 3:41 pmSFO-BOS
5h 41mnonstop
Hawaiian Airlines Logo
6:59 pm - 10:50 pmBOS-SFO
6h 51mnonstop
$236Hawaiian Airlines
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Wed, Nov 12 - Fri, Nov 14

JetBlue flights from San Francisco to Boston

Our best JetBlue deals on San Francisco to Boston flight tickets
JetBlue
Jan 17
SFO7:00 amSan Francisco
7h 50m
1 stop
BOS5:50 pmBoston Logan Intl
Jan 24
BOS10:05 amBoston Logan Intl
10h 08m
1 stop
SFO5:13 pmSan Francisco
$216
Find similar
JetBlue
Nov 27
SFO12:15 pmSan Francisco
5h 33m
BOS8:48 pmBoston Logan Intl
Dec 5
BOS4:40 pmBoston Logan Intl
6h 47m
SFO8:27 pmSan Francisco
$230
Find similar
JetBlue
Nov 13
SFO3:20 pmSan Francisco
5h 31m
BOS11:51 pmBoston Logan Intl
Jan 8
BOS7:30 amBoston Logan Intl
12h 43m
1 stop
SFO5:13 pmSan Francisco
$231
Find similar

Southwest flights from San Francisco to Boston

Our best Southwest deals on San Francisco to Boston flight tickets
Southwest
Dec 4
SFO10:50 amSan Francisco
7h 50m
1 stop
BOS9:40 pmBoston Logan Intl
Dec 10
BOS7:20 amBoston Logan Intl
9h 35m
1 stop
SFO1:55 pmSan Francisco
$217
Find similar
Southwest
Dec 9
SFO5:20 amSan Francisco
11h 00m
2 stops
BOS7:20 pmBoston Logan Intl
Dec 16
BOS7:45 amBoston Logan Intl
8h 35m
1 stop
SFO1:20 pmSan Francisco
$266
Find similar
Southwest
Dec 31
SFO5:50 amSan Francisco
7h 15m
1 stop
BOS4:05 pmBoston Logan Intl
Jan 7
BOS6:50 amBoston Logan Intl
10h 30m
2 stops
SFO2:20 pmSan Francisco
$270
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momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from San Francisco to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sat 1/17

7:00 am-5:50 pm

1 stop7h 50m

Boston Logan Intl

Sat 1/24

10:05 am-5:13 pm

1 stop10h 08m

$216

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 12/4

10:50 am-9:40 pm

1 stop7h 50m

Boston Logan Intl

Wed 12/10

7:20 am-1:55 pm

1 stop9h 35m

$217

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Tue 12/9

1:11 pm-12:13 am

1 stop8h 02m

Boston Logan Intl

Tue 12/16

6:10 am-12:21 pm

1 stop9h 11m

$218

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sat 1/31

11:41 am-5:44 pm

1 stop27h 03m

Boston Logan Intl

Sun 2/8

4:20 pm-10:47 pm

1 stop9h 27m

$220

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 2/5

7:00 am-5:44 pm

1 stop7h 44m

Boston Logan Intl

Sun 2/8

4:20 pm-10:47 pm

1 stop9h 27m

$222

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 11/19

8:25 am-5:06 pm

Nonstop5h 41m

Boston Logan Intl

Sat 11/22

8:30 pm-12:24 am

Nonstop6h 54m

$223

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 11/17

9:48 pm-6:25 am

Nonstop5h 37m

Boston Logan Intl

Wed 1/7

5:40 pm-9:44 pm

Nonstop7h 04m

$227

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 11/13

7:00 am-3:35 pm

Nonstop5h 35m

Boston Logan Intl

Thu 1/8

5:40 pm-9:44 pm

Nonstop7h 04m

$231

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 11/19

8:25 am-5:06 pm

Nonstop5h 41m

Boston Logan Intl

Sun 11/23

3:10 pm-9:19 pm

1 stop9h 09m

$233

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 11/12

7:00 am-3:41 pm

Nonstop5h 41m

Boston Logan Intl

Fri 11/14

6:59 pm-10:50 pm

Nonstop6h 51m

$236

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Boston from

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 to Boston?

In general, January is the cheapest month to fly from San Francisco to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $316. If you aren’t able to travel during the month of January, then book flights to Boston from San Francisco during February instead. Flights to Boston in February, while not as cheap as those in January, still average around $317.

What is the cheapest day to depart on your flight to Boston?

The cheapest day to depart from San Francisco to Boston is on a Tuesday when prices can be found for as low as $381. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $485.

What is the cheapest time of day to depart on your flight to Boston?

According to our data, the cheapest time of day to fly to Boston is in the afternoon. momondo users have found flights departing from San Francisco to Boston in the afternoon for as low as $367. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Boston, so prices are often more expensive at around $440 per ticket.

What is the cheapest San Francisco to Boston Logan Intl flight route?

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

How far in advance should I book a flight to Boston?

You are more likely to see cheaper flights to Boston from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $378 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from San Francisco for as low as $347 on momondo.

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

There are 4 cabin classes available to choose from on San Francisco to Boston Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have San Francisco to Boston flight prices changed over time?

As of October 2025, prices for San Francisco to Boston flights are approximately 5% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Boston according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Boston (SFO to BOS) flight deals and tips

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

Best Price Found

$182

Fastest flight time

5h 27m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from San Francisco in the past 72 hours is $182. The best round-trip flight deal from San Francisco to Boston found on momondo in the last 72 hours is $311.
The fastest flight from San Francisco to Boston takes 5h 27m
Direct flights go from San Francisco to Boston every day.
There is 1 airport near Boston: Boston Logan Intl (BOS)
Search flight deals

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

    San Francisco and Boston Logan Intl are 2690.2 mi apart from one another. Flights usually cover this in 5h 31m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from San Francisco Airport to Boston Logan Intl Airport?

    Prices for flights from San Francisco Airport to Boston Logan Intl Airport are updated daily.

  • How many operators does momondo search for flights from San Francisco Airport to Boston Logan Intl Airport?

  • How old do you have to be to fly from San Francisco Airport to Boston Logan Intl 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 San Francisco Airport to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The travel and health documents required for your trip to Boston Logan Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Boston Logan Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from San Francisco to Boston?

  • What is the most popular airline from San Francisco to Boston?

Best airlines flying from San Francisco to Boston

Compare and see reviews for airlines that fly from San Francisco to Boston with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $103Free CancellationRating
5.8
3,123 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $144Free CancellationRating
7.8
2,797 reviews
Search Hawaiian Airlines flights
Sun Country AirPriceFrom $160Free CancellationRating
6.9
335 reviews
Search Sun Country Air flights
DeltaPriceFrom $181Free CancellationRating
7.9
7,993 reviews
Search Delta flights
SouthwestPriceFrom $186Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
JetBluePriceFrom $201Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
United AirlinesPriceFrom $230Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $238Free CancellationRating
8.0
11,214 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $249Free CancellationRating
7.2
11,030 reviews
Search American Airlines flights

  • Southwest Flights From San Francisco to Boston

    Southwest operates around 2 flights from San Francisco to Boston every week. The average price of these flights found in the last 72 hours has been $407, but momondo users have found Southwest deals from San Francisco to Boston from as low as $186 round-trip. Southwest has been scored 8.0/10 in 4,243 reviews.

  • Alaska Airlines Flights From San Francisco to Boston

    Across 11,217 Alaska Airlines reviews on momondo, the average score is 8.0/10. Alaska Airlines flies from San Francisco to Boston about 2 times each week, with ticket deals ranging from $238 to $403. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Plymouth
Kennebunkport
Cambridge
South Yarmouth
Narragansett
Nashua
Gloucester
Falmouth
Laconia
Brockton
Concord
Everett
Sturbridge
Warwick

Why use momondo?

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

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.

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

momondo does allow users to show only those flights to Boston from San Francisco which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between San Francisco and Boston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San Francisco to Boston right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Boston, momondo offers a useful price alert feature which will track prices for flights to Boston from San Francisco and alert you when they change.

An easier way to manage your Boston 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.
Start using Trips
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Sat 11/29
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