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Cheap flights from San Francisco to Boston from $157

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 14/4. 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 to Boston

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from San Francisco to Boston.
07:35 - 16:15SFO-BOS
5h 40mdirect
19:59 - 23:44BOS-SFO
6h 45mdirect
$313Alaska Airlines
Find Deal
Wed, 7 May - Thu, 29 May
07:35 - 16:15SFO-BOS
5h 40mdirect
16:49 - 23:53BOS-SFO
10h 04m1 stop
$329Alaska Airlines
Find Deal
Wed, 7 May - Thu, 29 May
06:00 - 14:45SFO-BOS
5h 45mdirect
20:35 - 00:17BOS-SFO
6h 42mdirect
$345JetBlue
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Thu, 8 May - Sat, 31 May
21:25 - 06:13SFO-BOS
5h 48mdirect
06:05 - 09:45BOS-SFO
6h 40mdirect
$362United Airlines
Find Deal
Sun, 27 Apr - Thu, 1 May
22:05 - 06:45SFO-BOS
5h 40mdirect
19:49 - 23:41BOS-SFO
6h 52mdirect
$370Delta
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Fri, 2 May - Mon, 5 May
22:45 - 11:42SFO-BOS
9h 57m1 stop
06:00 - 09:33BOS-SFO
6h 33mdirect
$375JetBlue
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Fri, 9 May - Thu, 29 May
07:00 - 15:45SFO-BOS
5h 45mdirect
17:15 - 21:04BOS-SFO
6h 49mdirect
$377Delta
Find Deal
Sat, 10 May - Wed, 14 May
07:35 - 16:15SFO-BOS
5h 40mdirect
19:59 - 23:44BOS-SFO
6h 45mdirect
$394Hawaiian Airlines
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Tue, 13 May - Thu, 15 May
00:10 - 10:38SFO-BOS
7h 28m1 stop
05:30 - 11:27BOS-SFO
8h 57m1 stop
$408United Airlines
Find Deal
Tue, 13 May - Tue, 20 May
20:09 - 07:55SFO-BOS
8h 46m1 stop
19:47 - 23:34BOS-SFO
6h 47mdirect
$410Hawaiian Airlines
Find Deal
Mon, 28 Apr - Tue, 6 May

Sun Country Air flights from San Francisco to Boston

Our best Sun Country Air deals on San Francisco to Boston flight tickets
Sun Country Air
11 Apr
SFO18:11San Francisco
13h 31m
1 stop
BOS10:42Boston Logan Intl
16 Apr
BOS11:31Boston Logan Intl
8h 22m
1 stop
SFO16:53San Francisco
Sun Country Air
10 Apr
SFO18:07San Francisco
14h 56m
1 stop
BOS12:03Boston Logan Intl
16 Apr
BOS11:31Boston Logan Intl
8h 22m
1 stop
SFO16:53San Francisco
Sun Country Air
9 Apr
SFO18:00San Francisco
13h 42m
1 stop
BOS10:42Boston Logan Intl
16 Apr
BOS11:31Boston Logan Intl
8h 22m
1 stop
SFO16:53San Francisco

Hawaiian Airlines flights from San Francisco to Boston

Our best Hawaiian Airlines deals on San Francisco to Boston flight tickets
Hawaiian Airlines
10 May
SFO07:35San Francisco
5h 40m
BOS16:15Boston Logan Intl
13 May
BOS19:47Boston Logan Intl
6h 47m
SFO23:34San Francisco
Hawaiian Airlines
13 May
SFO07:35San Francisco
5h 40m
BOS16:15Boston Logan Intl
15 May
BOS19:59Boston Logan Intl
6h 45m
SFO23:44San Francisco
Hawaiian Airlines
14 May
SFO07:35San Francisco
5h 40m
BOS16:15Boston Logan Intl
21 May
BOS07:00Boston Logan Intl
6h 49m
SFO10:49San Francisco

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 $496. The month of February is another great option to travel to Boston, with average flight prices from San Francisco averaging around $510.

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

On average, the least expensive day to fly to Boston from San Francisco is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $0. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $780. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boston.

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 $0. 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 evening is when there is more demand to fly to Boston, so prices are often more expensive at around $780 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 25 weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $599 when searching 25 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 $545 on momondo.

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

There are 3 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 March 2025, prices for San Francisco to Boston flights are approximately 7% 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 return 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

$157

Fastest flight time

5h 36m

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 $157. The best return flight deal from San Francisco to Boston found on momondo in the last 72 hours is $313.
The fastest flight from San Francisco to Boston takes 5h 36m
Direct flights go from San Francisco to Boston every day.
There is 1 airport near Boston: Boston Logan Intl (BOS)

  • 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 27m by plane in normal conditions.

  • 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 were last updated today.

  • 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?

    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 stopovers. 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 licence, 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
JetBluePriceFrom $296Free cancellationRating
7.3
2,923 reviews
Search JetBlue flights
  • JetBlue Flights From San Francisco to Boston

    JetBlue flies from San Francisco to Boston around 2 times per week, with 2,922 momondo users rating the airline 7.3/10. The cheapest JetBlue deal from San Francisco to Boston in the last 72 hours was $186 (round-trip), much lower than the average airfare cost of $301 for JetBlue flights on this route.


Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Somerville
Cambridge
Westford
Waltham
Chelsea
Seekonk
Brookline

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?

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

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

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.

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

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.


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