What is the cheapest month to fly to San Francisco?

The cheapest time of year to fly to San Francisco from Boston is September. The most expensive is December.

What is the cheapest day to fly to San Francisco?

The cheapest day of the week is usually Tuesday. The most expensive is usually Saturday.

When is the cheapest time to fly to San Francisco?

Boston to San Francisco flights are approximately 75% more expensive in the afternoon than at midday

What is the cheapest airline that flies to San Francisco?

Frontier, American Airlines, and Alaska Airlines are the most popular carriers operating from Boston to San Francisco

What is the cheapest route?

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

When is the cheapest time to book a flight to San Francisco?

The cheapest time to buy a flight from Boston to San Francisco is approximately 53 days before departure

Find Cheap Flights from Boston to San Francisco starting at £82

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Best price found	£204	The best flight deal from Boston to San Francisco found on momondo in the last 72 hours is £204
Fastest flight time	6h 46m	The fastest flight from Boston to San Francisco takes 6h 46m.
Direct flights	Th, Fr and Sa	Direct flights go from Boston to San Francisco on Thursday, Friday and Saturday. Airlines offering direct flights are: Fiji Airways and Alaska Airlines..
Airports in San Francisco	1 airport	There is 1 airport near San Francisco: San Francisco (SFO)

Cheap flights from Boston to San Francisco

Flight information for Boston to San Francisco
(BOS to SFO)

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

How to get the cheapest flight from Boston to San Francisco

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Boston to San Francisco flight comparison made easy

Below you can see the best fares for your route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Boston to San Francisco by changing tabs

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

If you're looking for one-way flights from Boston to San Francisco, view some of our deals below.

Flights to other cities in United States

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Cheap flights from Boston to San Francisco

Flight information for Boston to San Francisco(BOS to SFO)

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

How to get the cheapest flight from Boston to San Francisco

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 for your trip

Boston to San Francisco flight comparison made easy

Below you can see the best fares for your route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Boston to San Francisco by changing tabs

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

If you're looking for one-way flights from Boston to San Francisco, view some of our deals below.

Flights to other cities in United States

Lost the lust for San Francisco? Check out some flights to other cities in United States

Flight information for Boston to San Francisco
(BOS to SFO)