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Cheap flights from San Francisco to Boston from $187

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 13/5. 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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Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from San Francisco to Boston.
Alaska Airlines Logo
20:47 - 05:40SFO-BOS
5h 53mdirect
Alaska Airlines Logo
07:00 - 10:49BOS-SFO
6h 49mdirect
$362Alaska Airlines
Find Deal
Tue, 3 Jun - Wed, 4 Jun
JetBlue Logo
20:44 - 05:25SFO-BOS
5h 41mdirect
JetBlue Logo
20:35 - 00:20BOS-SFO
6h 45mdirect
$372JetBlue
Find Deal
Tue, 3 Jun - Sat, 7 Jun
Hawaiian Airlines Logo
20:47 - 05:40SFO-BOS
5h 53mdirect
Hawaiian Airlines Logo
08:40 - 14:19BOS-SFO
8h 39m1 stop
$378Hawaiian Airlines
Find Deal
Tue, 3 Jun - Wed, 4 Jun
Alaska Airlines Logo
20:47 - 05:40SFO-BOS
5h 53mdirect
Alaska Airlines Logo
07:00 - 10:49BOS-SFO
6h 49mdirect
$379Alaska Airlines
Find Deal
Sat, 24 May - Sun, 25 May
Hawaiian Airlines Logo
20:47 - 05:40SFO-BOS
5h 53mdirect
Hawaiian Airlines Logo
17:45 - 23:50BOS-SFO
9h 05m1 stop
$387Hawaiian Airlines
Find Deal
Tue, 3 Jun - Tue, 17 Jun
JetBlue Logo
08:00 - 16:49SFO-BOS
5h 49mdirect
JetBlue Logo
20:50 - 00:35BOS-SFO
6h 45mdirect
$389JetBlue
Find Deal
Tue, 10 Jun - Wed, 2 Jul
Delta Logo
22:00 - 06:44SFO-BOS
5h 44mdirect
Delta Logo
20:31 - 00:23BOS-SFO
6h 52mdirect
$406Delta
Find Deal
Mon, 9 Jun - Wed, 18 Jun
Delta Logo
13:05 - 21:41SFO-BOS
5h 36mdirect
Delta Logo
17:55 - 21:47BOS-SFO
6h 52mdirect
$427Delta
Find Deal
Sat, 3 May - Sat, 10 May
United Airlines Logo
13:30 - 22:20SFO-BOS
5h 50mdirect
United Airlines Logo
19:14 - 01:12BOS-SFO
8h 58m1 stop
$431United Airlines
Find Deal
Tue, 13 May - Tue, 20 May
United Airlines Logo
23:20 - 10:23SFO-BOS
8h 03m1 stop
United Airlines Logo
06:00 - 09:28BOS-SFO
6h 28mdirect
$452United Airlines
Find Deal
Sat, 24 May - Tue, 27 May

Delta flights from San Francisco to Boston

Our best Delta deals on San Francisco to Boston flight tickets
Delta
9 June
SFO22:00San Francisco
5h 44m
BOS06:44Boston Logan Intl
18 June
BOS20:31Boston Logan Intl
6h 52m
SFO00:23San Francisco
Delta
3 May
SFO13:05San Francisco
5h 36m
BOS21:41Boston Logan Intl
10 May
BOS17:55Boston Logan Intl
6h 52m
SFO21:47San Francisco
Delta
4 May
SFO07:20San Francisco
5h 30m
BOS15:50Boston Logan Intl
11 May
BOS07:55Boston Logan Intl
6h 45m
SFO11:40San Francisco

United Airlines flights from San Francisco to Boston

Our best United Airlines deals on San Francisco to Boston flight tickets
United Airlines
13 May
SFO13:30San Francisco
5h 50m
BOS22:20Boston Logan Intl
20 May
BOS19:14Boston Logan Intl
8h 58m
1 stop
SFO01:12San Francisco
United Airlines
24 May
SFO23:20San Francisco
8h 03m
1 stop
BOS10:23Boston Logan Intl
27 May
BOS06:00Boston Logan Intl
6h 28m
SFO09:28San Francisco
United Airlines
7 May
SFO00:10San Francisco
7h 28m
1 stop
BOS10:38Boston Logan Intl
11 May
BOS08:00Boston Logan Intl
6h 44m
SFO11:44San 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 $489. The month of February is another great option to travel to Boston, with average flight prices from San Francisco averaging around $497.

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 $770. 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 $770 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 6 weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $590 when searching 6 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 $546 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 April 2025, prices for San Francisco to Boston flights are approximately 12% cheaper 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

$187

Fastest flight time

5h 30m

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 $187. The best return flight deal from San Francisco to Boston found on momondo in the last 72 hours is $362.
The fastest flight from San Francisco to Boston takes 5h 30m
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 30m 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 $292Free cancellationRating
7.3
2,922 reviews
Search JetBlue flights
  • JetBlue Flights From San Francisco to Boston

    JetBlue flies from San Francisco to Boston around 17 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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