Cheap flights from Boston, MA to San Francisco, CA
Flights starting at $125. Choose between United Airlines, JetBlue Airways, or Alaska Airlines to find the best price.
Kiwi-Code uncovers prices airlines don't want you to see.
Use our flexible filters to tailor your search.
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to San Francisco
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
Weekly direct flights
Discover the top airlines offering direct flights from Boston to San Francisco in the next month. You’ll find the number of daily direct flights per airline in the table.
Weekly direct flights for Sun 03.11 - Sat 09.11
Airline | Sun 03.11 | Mon 04.11 | Tue 05.11 | Wed 06.11 | Thu 07.11 | Fri 08.11 | Sat 09.11 |
---|---|---|---|---|---|---|---|
--- | 5 | 5 | 5 | 4 | 3 | 4 | |
1 | 4 | 4 | 4 | 3 | 3 | 2 | |
1 | 1 | 1 | 1 | 1 | 1 | --- |
Weekly direct flights for Sun 10.11 - Sat 16.11
Airline | Sun 10.11 | Mon 11.11 | Tue 12.11 | Wed 13.11 | Thu 14.11 | Fri 15.11 | Sat 16.11 |
---|---|---|---|---|---|---|---|
2 | 2 | 5 | 5 | 4 | 5 | 4 | |
--- | --- | 4 | 4 | 4 | 4 | --- | |
1 | --- | 1 | 1 | 1 | 1 | --- |
Weekly direct flights for Sun 17.11 - Sat 23.11
Airline | Sun 17.11 | Mon 18.11 | Tue 19.11 | Wed 20.11 | Thu 21.11 | Fri 22.11 | Sat 23.11 |
---|---|---|---|---|---|---|---|
5 | 5 | 5 | 5 | 3 | 3 | 4 | |
3 | 4 | 4 | 4 | 5 | 5 | 3 | |
1 | 1 | 1 | 1 | 1 | 1 | 1 |
Weekly direct flights for Sun 24.11 - Sat 30.11
Airline | Sun 24.11 | Mon 25.11 | Tue 26.11 | Wed 27.11 | Thu 28.11 | Fri 29.11 | Sat 30.11 |
---|---|---|---|---|---|---|---|
3 | 4 | 2 | 4 | 4 | --- | --- | |
5 | 5 | 5 | 5 | 3 | 1 | --- | |
1 | 1 | 1 | 1 | --- | 1 | --- |
Check-in for a flight from Boston to San Francisco
Name | Carrier code | IATA Code | Passport needed during booking | |
---|---|---|---|---|
United Airlines | UAL | UA | Yes | |
JetBlue Airways | JBU | B6 | No | |
Alaska Airlines | ASA | AS | No | |
Frontier Airlines | FFT | F9 | No | |
Sun Country Airlines | SCX | SY | Yes |
Online check-in is not available for these airlines.
Weather in San Francisco
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 14°C | 7°C |
February | 15°C | 8°C |
March | 15°C | 8°C |
April | 17°C | 9°C |
May | 19°C | 10°C |
June | 21°C | 12°C |
July | 22°C | 13°C |
August | 22°C | 14°C |
September | 23°C | 14°C |
October | 21°C | 13°C |
November | 17°C | 10°C |
December | 13°C | 8°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Boston
- Flights from Boston to London
- Flights from Boston to Paris
- Flights from Boston to Orlando
- Flights from Boston to Barcelona
- Flights from Boston to Rome
- Flights from Boston to Madrid
- Flights from Boston to Dublin
- Flights from Boston to Athens
- Flights from Boston to Lisbon
- Flights from Boston to Denver
- Flights from Boston to Prague
- Flights from Boston to Miami
- Flights from Boston to Vienna
- Flights from Boston to Amsterdam
- Flights from Boston to Milan
- Flights from Boston to Munich
- Flights from Boston to Fort Lauderdale
- Flights from Boston to Berlin
- Flights from Boston to Istanbul
- Flights from Boston to Raleigh
Flights to San Francisco
- Flights from Las Vegas to San Francisco
- Flights from Denver to San Francisco
- Flights from Washington, D.C. to San Francisco
- Flights from Atlanta to San Francisco
- Flights from Chicago to San Francisco
- Flights from Austin to San Francisco
- Flights from London to San Francisco
- Flights from Paris to San Francisco
- Flights from New York to San Francisco
- Flights from Barcelona to San Francisco
- Flights from Rome to San Francisco
- Flights from Orlando to San Francisco
- Flights from Mexico City to San Francisco
- Flights from New Orleans to San Francisco
- Flights from Amsterdam to San Francisco
- Flights from Charlotte to San Francisco
- Flights from Cincinnati to San Francisco
- Flights from Houston to San Francisco
- Flights from Dallas to San Francisco
- Flights from Lisbon to San Francisco
Popular routes
- Flights from Amman to London
- Flights from Manila to Legazpi
- Flights from Portland to Paris
- Flights from Salt Lake City to Paris
- Flights from Miami to Tel Aviv
- Flights from New York to Istanbul
- Flights from Philadelphia to Orlando
- Flights from Orlando to New York
- Flights from Los Angeles to Norfolk
- Flights from Sydney to Cairns
- Flights from Reykjavik to London
- Flights from San José to Mexico City
- Flights from Barcelona to Paris