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Cheap flights from San Francisco to Boston from $54

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Boston departing on 9/25. 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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Easily compare round-trip flights from San Francisco to Boston

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 San Francisco to Boston by changing tabs
JetBlue
Sep 25
SFO3:25 pmSan Francisco
5h 34m
BOS11:59 pmBoston Logan Intl
Sep 29
BOS6:50 amBoston Logan Intl
6h 35m
SFO10:25 amSan Francisco
Frontier
Oct 7
SFO10:31 pmSan Francisco
10h 01m
1 stop
BOS11:32 amBoston Logan Intl
Oct 24
BOS10:42 amBoston Logan Intl
14h 54m
1 stop
SFO10:36 pmSan Francisco
Multiple Airlines
Sep 17
SFO1:48 pmSan Francisco
23h 11m
2 stops
BOS3:59 pmBoston Logan Intl
Sep 24
BOS12:29 pmBoston Logan Intl
11h 32m
1 stop
SFO9:01 pmSan Francisco
Alaska Airlines
Dec 25
SFO7:00 amSan Francisco
5h 44m
BOS3:44 pmBoston Logan Intl
Dec 31
BOS6:59 pmBoston Logan Intl
7h 04m
SFO11:03 pmSan Francisco
United Airlines
Sep 18
SFO3:14 pmSan Francisco
5h 45m
BOS11:59 pmBoston Logan Intl
Sep 25
BOS6:00 amBoston Logan Intl
6h 32m
SFO9:32 amSan Francisco
Delta
Sep 9
SFO9:53 pmSan Francisco
5h 44m
BOS6:37 amBoston Logan Intl
Sep 17
BOS9:10 amBoston Logan Intl
6h 34m
SFO12:44 pmSan Francisco

Find the cheapest one-way flights from San Francisco to Boston

If you're looking for one-way flights from San Francisco to Boston, view some of our deals below provided by Delta, Frontier and JetBlue
Frontier
Oct 7
SFO10:31 pmSan Francisco
10h 01m
1 stop
BOS11:32 amBoston Logan Intl
Delta
Sep 17
SFO7:15 amSan Francisco
5h 44m
BOS3:59 pmBoston Logan Intl
JetBlue
Sep 18
SFO3:25 pmSan Francisco
5h 34m
BOS11:59 pmBoston Logan Intl

Find the cheapest direct flights from San Francisco to Boston

Alaska Airlines
Dec 25
SFO7:00 amSan Francisco
5h 44m
BOS3:44 pmBoston Logan Intl
Dec 31
BOS6:59 pmBoston Logan Intl
7h 04m
SFO11:03 pmSan Francisco
JetBlue
Sep 18
SFO3:25 pmSan Francisco
5h 34m
BOS11:59 pmBoston Logan Intl
Sep 25
BOS7:45 pmBoston Logan Intl
6h 35m
SFO11:20 pmSan Francisco
Delta
Sep 9
SFO9:53 pmSan Francisco
5h 44m
BOS6:37 amBoston Logan Intl
Sep 17
BOS9:10 amBoston Logan Intl
6h 34m
SFO12:44 pmSan Francisco
United Airlines
Sep 29
SFO11:20 pmSan Francisco
5h 48m
BOS8:08 amBoston Logan Intl
Oct 8
BOS6:00 amBoston Logan Intl
6h 32m
SFO9:32 amSan Francisco
American Airlines
Nov 13
SFO7:40 amSan Francisco
5h 40m
BOS4:20 pmBoston Logan Intl
Nov 23
BOS6:59 pmBoston Logan Intl
7h 00m
SFO10:59 pmSan Francisco
JetBlue
Sep 8
SFO7:20 amSan Francisco
5h 45m
BOS4:05 pmBoston Logan Intl
Sep 10
BOS9:25 pmBoston Logan Intl
6h 34m
SFO12:59 amSan Francisco

Search last-minute flights to Boston from San Francisco

Find and compare round-trip flight prices for your last-minute flight from San Francisco to Boston
JetBlue
Aug 27
SFO6:00 amSan Francisco
10h 32m
1 stop
BOS7:32 pmBoston Logan Intl
Sep 4
BOS7:45 pmBoston Logan Intl
6h 35m
SFO11:20 pmSan Francisco
American Airlines
Aug 28
SFO6:15 amSan Francisco
9h 23m
1 stop
BOS6:38 pmBoston Logan Intl
Sep 3
BOS4:16 pmBoston Logan Intl
8h 58m
1 stop
SFO10:14 pmSan Francisco
United Airlines
Aug 26
SFO10:35 pmSan Francisco
8h 14m
1 stop
BOS9:49 amBoston Logan Intl
Sep 2
BOS7:30 amBoston Logan Intl
8h 34m
1 stop
SFO1:04 pmSan Francisco
Delta
Aug 24
SFO6:00 amSan Francisco
10h 17m
1 stop
BOS7:17 pmBoston Logan Intl
Sep 2
BOS8:15 amBoston Logan Intl
6h 44m
SFO11:59 amSan Francisco
Southwest
Aug 26
SFO8:15 amSan Francisco
11h 45m
2 stops
BOS11:00 pmBoston Logan Intl
Aug 29
BOS5:00 amBoston Logan Intl
7h 40m
1 stop
SFO9:40 amSan Francisco
Alaska Airlines
Aug 26
SFO7:40 amSan Francisco
5h 46m
BOS4:26 pmBoston Logan Intl
Aug 29
BOS6:30 pmBoston Logan Intl
6h 35m
SFO10:05 pmSan Francisco

Frontier flights from San Francisco to Boston

Our best Frontier deals on San Francisco to Boston flight tickets
Frontier
Oct 7
SFO10:31 pmSan Francisco
10h 01m
1 stop
BOS11:32 amBoston Logan Intl
Oct 24
BOS10:42 amBoston Logan Intl
14h 54m
1 stop
SFO10:36 pmSan Francisco
Frontier
Oct 7
SFO10:31 pmSan Francisco
10h 01m
1 stop
BOS11:32 amBoston Logan Intl
Oct 9
BOS12:32 pmBoston Logan Intl
12h 22m
1 stop
SFO9:54 pmSan Francisco
Frontier
Oct 25
SFO10:31 pmSan Francisco
8h 21m
1 stop
BOS9:52 amBoston Logan Intl
Oct 28
BOS11:45 amBoston Logan Intl
14h 42m
1 stop
SFO11:27 pmSan Francisco

United Airlines flights from San Francisco to Boston

Our best United Airlines deals on San Francisco to Boston flight tickets
United Airlines
Sep 18
SFO3:14 pmSan Francisco
5h 45m
BOS11:59 pmBoston Logan Intl
Sep 25
BOS6:00 amBoston Logan Intl
6h 32m
SFO9:32 amSan Francisco
United Airlines
Sep 18
SFO3:14 pmSan Francisco
5h 45m
BOS11:59 pmBoston Logan Intl
Sep 20
BOS6:00 amBoston Logan Intl
6h 32m
SFO9:32 amSan Francisco
United Airlines
Sep 15
SFO10:40 pmSan Francisco
7h 46m
1 stop
BOS9:26 amBoston Logan Intl
Sep 17
BOS6:00 amBoston Logan Intl
6h 32m
SFO9:32 amSan Francisco

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 from San Francisco to Boston?

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

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

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

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

In the afternoon. San Francisco to Boston flights are approximately 10% more expensive in the morning than in the afternoon

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

Spirit Airlines. Spirit Airlines, Sun Country Air, and American Airlines are the most popular carriers operating from San Francisco to Boston

What is the cheapest San Francisco to Boston flight route?

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

How far in advance should you book San Francisco to Boston flights?

50 days before. The cheapest time to buy a flight from San Francisco to Boston is approximately 50 days to departure

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

As of August 2024, there are 45 flights per week flying from San Francisco to Boston. The most common time of day flights depart is 8:00PM, with 40% of flights taking off at noon.

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

318 flights are operational weekly from San Francisco to Boston as of August 2024. The most popular departure day for this route is Sunday, with 15% of flights per week taking off on this day.

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

There are 4 cabin classes available to choose from on San Francisco to Boston 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 to Boston flights?

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

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

As of August 2024, prices for San Francisco to Boston flights are approximately 9% cheaper when compared to flights at the same time last year.

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

$67

Fastest flight time

5h 28m

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 $67. The best round-trip flight deal from San Francisco to Boston found on momondo in the last 72 hours is $54.
The fastest flight from San Francisco to Boston takes 5h 28m
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?

    San Francisco and Boston Logan Intl are 2690.2 mi apart from one another. Flights usually cover this in 5h 28m, 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.


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
Spirit AirlinesPriceFrom $99Free CancellationRating
6.3
8,323 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $119Free CancellationRating
7.3
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $135Free CancellationRating
8.0
9,377 reviews
Search Alaska Airlines flights
DeltaPriceFrom $149Free CancellationRating
8.0
9,384 reviews
Search Delta flights
Sun Country AirPriceFrom $164Free CancellationRating
7.1
483 reviews
Search Sun Country Air flights
JetBluePriceFrom $170Free CancellationRating
7.5
3,826 reviews
Search JetBlue flights
United AirlinesPriceFrom $224Free CancellationRating
7.4
9,807 reviews
Search United Airlines flights
  • Alaska Airlines Flights From San Francisco to Boston

    Alaska Airlines operates around 5 flights from San Francisco to Boston every week. The average price of these flights found in the last 72 hours has been $393, but momondo users have found Alaska Airlines deals from San Francisco to Boston from as low as $135 round-trip. Alaska Airlines has been scored 8.0/10 in 9,377 reviews.

  • Delta Flights From San Francisco to Boston

    Across 9,384 Delta reviews on momondo, the average score is 8.0/10. Delta flies from San Francisco to Boston about 5 times each week, with ticket deals ranging from $149 to $395. Price data is based on momondo searches in the last 72 hours.


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

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