Flights from Boston to San Francisco

Flights tailored to your budget

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Cheap Boston - San Francisco flight offers

Find cheap flight tickets and last-minute flight deals from Boston to San Francisco

Southwest Airlines
Mon, 11-23 (BOS) Boston -> (SFO) San Francisco
Direct
Southwest Airlines
Fri, 11-27 (SFO) San Francisco -> (BOS) Boston
Direct
Price found Yesterday
from Can$473
DELTA
Mon, 11-23 (BOS) Boston -> (SFO) San Francisco
Direct
DELTA
Sat, 11-28 (SFO) San Francisco -> (BOS) Boston
Direct
Price found Yesterday
from Can$649
Southwest Airlines
Mon, 11-23 (BOS) Boston -> (SFO) San Francisco
Direct
Southwest Airlines
Fri, 11-27 (SFO) San Francisco -> (BOS) Boston
Direct
Price found Yesterday
from Can$473
DELTA
Mon, 11-23 (BOS) Boston -> (SFO) San Francisco
Direct
DELTA
Sat, 11-28 (SFO) San Francisco -> (BOS) Boston
Direct
Price found Yesterday
from Can$649

Info about flights from Boston to San Francisco

Some useful info about flights from Boston to San Francisco to help you plan your next trip

Average flight duration 6h 36m
Cheapest month February
Average number of flights per week 20
First flight time 00:30
Last flight time 21:35
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Top airlines on the route Boston - San Francisco

Airlines providing flights to San Francisco from Boston

DELTA
DELTA

Is it worth flying from Boston to San Francisco?

It depends. Prices for flights from Boston to San Francisco fluctuate based on several factors.

Pick a travel date to see today’s available fares.

Travel agencies and airlines sometimes offer promotional prices on certain routes — it’s worth checking regularly. Also, many travelers look for weekend flights, so booking in advance is recommended.

Which airports near Boston or San Francisco offer flights?

In many cases, using a nearby airport can improve your chances of finding direct flights or better rates.

  • Airports in Boston: Only Boston - Logan is currently operating.
  • Airports in San Francisco: San Francisco is the only airport in use at the moment.

Secondary airports can offer faster travel thanks to shorter lines and quicker boarding times than major ones.

Flights from Boston - Logan to San Francisco

Plan your journey from Boston to San Francisco with ease

Use Jetcost to tailor your search — direct or connecting flights, round-trip or one-way, filtered by airline, price, travel time, or agency.

Other popular destinations

Exploring options in United States? These cities are trending: Atlanta, Los Angeles, Miami, New York City, Orlando.

Flight availability can change quickly — refresh the results if you’ve been away from the page for a while.
Frequently Asked Questions

Frequently asked questions about flights from Boston to San Francisco.

How much does an airline ticket from Boston to San Francisco cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Boston to San Francisco.

How far is Boston from San Francisco?

Boston is about 4341 km from San Francisco.

What are the airports in San Francisco?

San Francisco has one airport: San Francisco.

What are the airports in Boston?

Boston has one airport: Boston - Logan.

What are the most popular cities in United States?

The most popular cities in United States according to our users' searches are: Atlanta, Los Angeles, Miami, New York City, Orlando.

When should I book a flight from Boston to San Francisco?

The best time to book a flight from Boston to San Francisco is 1 month in advance, while the worst time is 1 week in advance.

What is the cheapest month to fly from Boston to San Francisco?

The cheapest month to fly from Boston to San Francisco is February.

What is the most expensive month to fly from Boston to San Francisco?

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

What is the best day of the week to fly from Boston to San Francisco?

For flights from Boston to San Francisco Friday is on average the cheapest day to fly, while Friday is the most expensive day to fly.