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Cheap flights from San Francisco Bay Area to Boston from $108

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 Bay Area to Boston departing on 9/16. 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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Find the cheapest flights from San Francisco Bay Area to Boston

Cheap round-trip flights

Spirit Airlines Logo
11:40 am - 11:13 amSJC-BOS
20h 33m2 stops
Spirit Airlines Logo
5:50 am - 8:00 pmBOS-SJC
17h 10m2 stops
$210Spirit Airlines
Find Deal
Wed, Sep 10 - Wed, Sep 17
Logo
11:40 am - 11:13 amSJC-BOS
20h 33m2 stops
Logo
7:20 am - 2:21 pmBOS-SJC
10h 01m1 stop
$216
Find Deal
Wed, Sep 17 - Tue, Sep 23
Spirit Airlines Logo
11:40 am - 11:13 amSJC-BOS
20h 33m2 stops
Spirit Airlines Logo
5:50 am - 8:00 pmBOS-SJC
17h 10m2 stops
$220Spirit Airlines
Find Deal
Thu, Sep 4 - Tue, Sep 9
JetBlue Logo
11:00 am - 8:26 pmSFO-BOS
6h 26mnonstop
JetBlue Logo
8:10 pm - 11:59 pmBOS-SFO
6h 49mnonstop
$236JetBlue
Find Deal
Sat, Sep 13 - Sat, Sep 20
Delta Logo
1:00 pm - 9:47 pmSFO-BOS
5h 47mnonstop
Delta Logo
7:55 am - 11:33 amBOS-SFO
6h 38mnonstop
$237Delta
Find Deal
Sat, Sep 13 - Sat, Sep 20
JetBlue Logo
11:00 am - 8:26 pmSFO-BOS
6h 26mnonstop
JetBlue Logo
6:15 am - 9:47 amBOS-SFO
6h 32mnonstop
$239JetBlue
Find Deal
Sat, Sep 13 - Sat, Sep 20
Alaska Airlines Logo
7:00 am - 3:41 pmSFO-BOS
5h 41mnonstop
Alaska Airlines Logo
7:22 pm - 11:11 pmBOS-SFO
6h 49mnonstop
$245Alaska Airlines
Find Deal
Wed, Nov 19 - Mon, Nov 24
Delta Logo
9:51 pm - 6:35 amSFO-BOS
5h 44mnonstop
Delta Logo
8:45 pm - 12:21 amBOS-SFO
6h 36mnonstop
$247Delta
Find Deal
Tue, Sep 16 - Mon, Sep 22
Alaska Airlines Logo
7:45 pm - 7:53 amSJC-BOS
9h 08m1 stop
Alaska Airlines Logo
8:01 am - 3:05 pmBOS-SJC
10h 04m1 stop
$250Alaska Airlines
Find Deal
Sat, Oct 18 - Tue, Oct 21
United Airlines Logo
6:20 pm - 8:09 amSJC-BOS
10h 49m2 stops
United Airlines Logo
6:10 am - 1:34 pmBOS-SJC
10h 24m2 stops
$284United Airlines
Find Deal
Wed, Sep 10 - Sat, Sep 13

Frontier flights from San Francisco Bay Area to Boston

Our best Frontier deals on San Francisco Bay Area to Boston flight tickets
Frontier
Oct 16
SFO3:25 pmSan Francisco
13h 02m
2 stops
BOS7:27 amBoston Logan Intl
Oct 23
BOS9:50 amBoston Logan Intl
14h 33m
1 stop
SFO9:23 pmSan Francisco
$232
Find similar
Frontier
Oct 30
SFO12:43 pmSan Francisco
16h 09m
2 stops
BOS7:52 amBoston Logan Intl
Nov 3
BOS9:55 amBoston Logan Intl
17h 19m
2 stops
SFO12:14 amSan Francisco
$234
Find similar
Frontier
Sep 11
SFO10:19 amSan Francisco
18h 33m
2 stops
BOS7:52 amBoston Logan Intl
Sep 13
BOS8:38 amBoston Logan Intl
15h 43m
1 stop
SFO9:21 pmSan Francisco
$235
Find similar

Delta flights from San Francisco Bay Area to Boston

Our best Delta deals on San Francisco Bay Area to Boston flight tickets
Delta
Sep 13
SFO1:00 pmSan Francisco
5h 47m
BOS9:47 pmBoston Logan Intl
Sep 20
BOS7:55 amBoston Logan Intl
6h 38m
SFO11:33 amSan Francisco
$237
Find similar
Delta
Sep 16
SFO9:51 pmSan Francisco
5h 44m
BOS6:35 amBoston Logan Intl
Sep 22
BOS8:45 pmBoston Logan Intl
6h 36m
SFO12:21 amSan Francisco
$247
Find similar
Delta
Sep 6
SFO7:05 amSan Francisco
5h 50m
BOS3:55 pmBoston Logan Intl
Sep 12
BOS8:45 pmBoston Logan Intl
6h 36m
SFO12:21 amSan Francisco
$248
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momondo Fare Finder

 
Customize your flight search to find flights from San Francisco Bay Area 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 August 18, 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Wed 9/10

11:40 am-11:13 am

2 stops20h 33m

Boston Logan Intl

Wed 9/17

5:50 am-8:00 pm

2 stops17h 10m

$210

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Wed 9/17

11:40 am-11:13 am

2 stops20h 33m

Boston Logan Intl

Tue 9/23

7:20 am-2:21 pm

1 stop10h 01m

$216

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Thu 9/4

11:40 am-11:13 am

2 stops20h 33m

Boston Logan Intl

Tue 9/9

5:50 am-8:00 pm

2 stops17h 10m

$220

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sat 9/13

11:00 am-8:26 pm

Nonstop6h 26m

Boston Logan Intl

Sat 9/20

8:10 pm-11:59 pm

Nonstop6h 49m

$236

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sat 9/13

1:00 pm-9:47 pm

Nonstop5h 47m

Boston Logan Intl

Sat 9/20

7:55 am-11:33 am

Nonstop6h 38m

$237

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sat 9/13

11:00 am-8:26 pm

Nonstop6h 26m

Boston Logan Intl

Sat 9/20

6:15 am-9:47 am

Nonstop6h 32m

$239

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 11/19

7:00 am-3:41 pm

Nonstop5h 41m

Boston Logan Intl

Mon 11/24

7:22 pm-11:11 pm

Nonstop6h 49m

$245

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Tue 9/16

9:51 pm-6:35 am

Nonstop5h 44m

Boston Logan Intl

Mon 9/22

8:45 pm-12:21 am

Nonstop6h 36m

$247

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Sat 10/18

7:45 pm-7:53 am

1 stop9h 08m

Boston Logan Intl

Tue 10/21

8:01 am-3:05 pm

1 stop10h 04m

$250

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Wed 9/10

6:20 pm-8:09 am

2 stops10h 49m

Boston Logan Intl

Sat 9/13

6:10 am-1:34 pm

2 stops10h 24m

$284

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Boston from

How to get the cheapest flight ticket from San Francisco Bay Area 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 Bay Area 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 Bay Area 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 Bay Area to Boston is on a Tuesday when prices can be found for as low as $371. 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 $476.

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 Bay Area to Boston in the afternoon for as low as $333. 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 $432 per ticket.

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

Fly from San Francisco to Boston Logan Intl for the best San Francisco Bay Area - 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 Bay Area when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $375 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 Bay Area for as low as $338 on momondo.

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

There are 4 cabin classes available to choose from on San Francisco Bay Area 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.

Can stopping save me money on San Francisco Bay Area to Boston flights?

No. A direct flight is the cheapest option for a flight between San Francisco Bay Area to Boston.

Cheap San Francisco Bay Area to Boston flight deals and tips

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

Best Price Found

$108

Fastest flight time

5h 41m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from San Francisco Bay Area in the past 72 hours is $108. The best round-trip flight deal from San Francisco Bay Area to Boston found on momondo in the last 72 hours is $210.
The fastest flight from San Francisco Bay Area to Boston takes 5h 41m
Direct flights go from San Francisco Bay Area to Boston every day.
There is 1 airport near Boston: Boston Logan Intl (BOS)
Search flight deals

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

    Prices for flights from San Francisco Bay Area to Boston Logan Intl Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Bay Area to Boston Logan Intl Airport.

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

    The necessary travel and health documents for your Boston Logan Intl 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.

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

Best airlines flying from San Francisco Bay Area to Boston

Compare and see reviews for airlines that fly from San Francisco Bay Area to Boston with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $110Free CancellationRating
5.8
3,212 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $144Free CancellationRating
7.8
2,664 reviews
Search Hawaiian Airlines flights
JetBluePriceFrom $148Free CancellationRating
7.2
2,915 reviews
Search JetBlue flights
Sun Country AirPriceFrom $160Free CancellationRating
6.9
333 reviews
Search Sun Country Air flights
DeltaPriceFrom $169Free CancellationRating
8.0
7,981 reviews
Search Delta flights
Spirit AirlinesPriceFrom $176Free CancellationRating
6.3
8,038 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $203Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $205Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $231Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Traveling to a place near Boston?

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

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco Bay Area to Boston. momondo saves you time and could save you money on your trip.

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

Flights from San Francisco Bay Area to Boston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential San Francisco Bay Area to Boston 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 San Francisco Bay Area to Boston right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Francisco Bay Area to Boston now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Boston and let you know 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.
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