Find Cheap Flights from San Francisco to Boston (SFO - BOS)

Flights overview

Useful information for finding cheap flights from San Francisco to Boston and booking your next trip

Cheapest round-trip flights	$180	Frontier 1 stop 11 hr Thu, Apr 16 — Wed, Apr 22	The cheapest round-trip flight from San Francisco to Boston is currently $180
Cheapest one-way flight	$90	Frontier 1 stop 11 hr Wed, Apr 15	The cheapest one-way flight from San Francisco to Boston is currently $90
Cheapest nonstop flights	$227	United Nonstop 6 hr Sun, Feb 15 — Mon, Feb 23	The cheapest nonstop round-trip flight from San Francisco to Boston is currently $227
Last-minute weekend getaway	$452	Alaska 1 stop 8 hr Thu, Jan 29 — Mon, Feb 2	The cheapest last-minute weekend getaway from San Francisco to Boston is currently $452
Cheapest business class flights	$1,127	American 1 stop 9 hr Sun, Feb 15 — Mon, Feb 23	The cheapest business class round-trip flight from San Francisco to Boston is currently $1,127

Fastest flight	5 hr 31 min	The fastest nonstop flight from San Francisco to Boston takes 5 hr 31 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from San Francisco to Boston is typically February. The most expensive month to fly is typically July.

February Cheapest	Typical prices: $215–345
July Most expensive	Typical prices: $260–410

Popular airlines from San Francisco to Boston

United

Nonstop

from $247

Typical price: $245–480

25 weekly nonstop flights

SFO - BOS Every day

340 weekly connecting flights

SFO - BOS Every day
JetBlue

Nonstop

from $247

Typical price: $255–550

26 weekly nonstop flights

SFO - BOS Every day

61 weekly connecting flights

SFO - BOS Every day
Delta

Nonstop

from $247

Typical price: $265–580

13 weekly nonstop flights

SFO - BOS Every day

250 weekly connecting flights

SFO - BOS Every day
American

from $247

Typical price: $265–530

346 weekly connecting flights

SFO - BOS Every day
Alaska

from $245

Typical price: $275–620

40 weekly connecting flights

SFO - BOS Every day
Southwest

from $292

Typical price: $300–570

39 weekly connecting flights

SFO - BOS Every day

Popular airports near San Francisco

San Francisco International Airport (SFO)

San Francisco United States 19 min 11 mi
Oakland International Airport (OAK)

Oakland United States 27 min 11 mi
Sacramento International Airport (SMF)

Sacramento United States 1 hr 33 min 78 mi
San Jose Mineta International Airport (SJC)

San Jose United States 51 min 39 mi

Popular airports near Boston

Boston Logan International Airport (BOS)

Boston United States 12 min 2 mi
John F. Kennedy International Airport (JFK)

New York United States 3 hr 39 min 184 mi
LaGuardia Airport (LGA)

New York United States 3 hr 27 min 181 mi
Rhode Island T.F. Green International Airport (PVD)

Providence United States 1 hr 7 min 47 mi

Frequently asked questions about flying from San Francisco to Boston

The cheapest flights from San Francisco to Boston are usually in February. Typical ticket prices in February range from $215 to $345.

The cheapest round-trip flight from San Francisco to Boston recently found on Google Flights was with Frontier from $180. The cheapest one-way flight was with Frontier from $90.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from San Francisco to Boston is $247, flying from Mar 5 to Mar 11.
The cheapest JetBlue flight from San Francisco to Boston is $247, flying from Feb 26 to Mar 4.
The cheapest Delta flight from San Francisco to Boston is $247, flying from Mar 5 to Mar 11.
The cheapest American flight from San Francisco to Boston is $247, flying from Feb 15 to Feb 23.
The cheapest Alaska flight from San Francisco to Boston is $245, flying from Mar 9 to Mar 17.
The cheapest Southwest flight from San Francisco to Boston is $292, flying from Mar 5 to Mar 11.

The cheapest round-trip flight from San Francisco to Boston starts at $180 from Thu, Apr 16 to Wed, Apr 22. The cheapest one-way flight starts at $90 and departs on Wed, Apr 15.

5 hr 31 min is the shortest flight time from San Francisco to Boston.

Boston is a year-round destination with a 4-season climate. Spring and fall feature generally mild weather, although snow sometimes falls in early spring (Apr). Summer can be humid. Foliage season (mid-Sep–Nov) attracts the largest crowds. Patriots Day (3rd Mon of Apr) commemorates the start of the Revolutionary War and coincides with the famed Boston Marathon. Summer festivals include Boston Harborfest, the city’s weeklong 4th of July party, and Italian-American celebrations in the North End (late Jul–Aug).

It's easy to use Google Flights to find the cheapest days to fly from San Francisco to Boston.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from San Francisco to Boston really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from San Francisco to Boston.

In terms of nonstop flights, JetBlue is the most popular. JetBlue offers 26 nonstop flights and 61 connecting flights per week. JetBlue flies from San Francisco International Airport (SFO) to Boston Logan International Airport (BOS) .

In terms of flights, American is the most popular. American offers 346 connecting flights per week. American flies from San Francisco International Airport (SFO) to Boston Logan International Airport (BOS) .

Other popular airlines flying from San Francisco to Boston are:

United offers 25 nonstop flights and 340 connecting flights per week. United flies from San Francisco International Airport (SFO) to Boston Logan International Airport (BOS) .
Delta offers 13 nonstop flights and 250 connecting flights per week. Delta flies from San Francisco International Airport (SFO) to Boston Logan International Airport (BOS) .
Alaska offers 40 connecting flights per week. Alaska flies from San Francisco International Airport (SFO) to Boston Logan International Airport (BOS) .
Southwest offers 39 connecting flights per week. Southwest flies from San Francisco International Airport (SFO) to Boston Logan International Airport (BOS) .

The number of connecting flights refers to distinct flights with at least one stop between San Francisco and Boston.

The cheapest round-trip flight from San Francisco to Boston recently found on Google Flights was with Frontier from $180. The cheapest one-way flight was with Frontier from $90.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from San Francisco to Boston is $247, flying from Mar 5 to Mar 11.
The cheapest JetBlue flight from San Francisco to Boston is $247, flying from Feb 26 to Mar 4.
The cheapest Delta flight from San Francisco to Boston is $247, flying from Mar 5 to Mar 11.
The cheapest American flight from San Francisco to Boston is $247, flying from Feb 15 to Feb 23.
The cheapest Alaska flight from San Francisco to Boston is $245, flying from Mar 9 to Mar 17.
The cheapest Southwest flight from San Francisco to Boston is $292, flying from Mar 5 to Mar 11.

JetBlue, United and Delta fly direct from San Francisco to Boston.

There are 25 United direct flights from San Francisco to Boston per week. Flights are available every day.
There are 26 JetBlue direct flights from San Francisco to Boston per week. Flights are available every day.
There are 13 Delta direct flights from San Francisco to Boston per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between San Francisco and Boston at price $452 is offered by Alaska from Thu, Jan 29 to Mon, Feb 2.

JetBlue, United and Delta fly direct from San Francisco to Boston.

There are 25 United direct flights from San Francisco to Boston per week. Flights are available every day.
There are 26 JetBlue direct flights from San Francisco to Boston per week. Flights are available every day.
There are 13 Delta direct flights from San Francisco to Boston per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from San Francisco to Boston on a daily basis.

The cheapest direct (nonstop) round-trip flights between San Francisco and Boston start at $227 from Sun, Feb 15 to Mon, Feb 23 with United.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from San Francisco to Boston, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between San Francisco and Boston start at $1,127 from Sun, Feb 15 to Mon, Feb 23 with American.

The cheapest economy class round-trip flights between San Francisco and Boston start at $180 from Thu, Apr 16 to Wed, Apr 22.

To book business class trips from San Francisco to Boston, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between San Francisco and Boston starts at $452 from Thu, Jan 29 to Mon, Feb 2 with Alaska.

The cheapest last-minute deal between San Francisco and Boston at price $452 is offered by Alaska from Thu, Jan 29 to Mon, Feb 2.

To find last-minute flight deals from San Francisco to Boston, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.