Cheap flights from Boston, MA to San Francisco, CA
Flights starting at $101. Choose between JetBlue Airways, United Airlines, or Alaska Airlines to find the best price.
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Cheapest one-way trip | $101 |
|---|---|
Cheapest nonstop round-trip | $179 |
Cheapest round-trip | $201 |
Average round-trip | $311 |
Nonstop flights in April | $179 – $2,508 |
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The distance between Boston and San Francisco is 4347 km. The most popular airlines for this route are JetBlue Airways, United Airlines, Alaska Airlines, and TAP Portugal. Boston and San Francisco have 74 direct flights per week. When you arrive at San Francisco, consider visiting Alcatraz, Big Sur, and Golden Gate Bridge.
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 14.04 - Sat 20.04
| Airline | Sun 14.04 | Mon 15.04 | Tue 16.04 | Wed 17.04 | Thu 18.04 | Fri 19.04 | Sat 20.04 |
|---|---|---|---|---|---|---|---|
| --- | 3 | 4 | 4 | 4 | 1 | 2 | |
| 1 | 4 | 4 | 4 | 4 | --- | 3 | |
| --- | 2 | 1 | 1 | 1 | 1 | 1 |
Weekly direct flights for Sun 21.04 - Sat 27.04
| Airline | Sun 21.04 | Mon 22.04 | Tue 23.04 | Wed 24.04 | Thu 25.04 | Fri 26.04 | Sat 27.04 |
|---|---|---|---|---|---|---|---|
| --- | 2 | 3 | 2 | 3 | 4 | 3 | |
| 1 | 4 | 4 | 4 | 4 | 4 | 4 | |
| --- | 1 | 1 | 1 | 1 | 1 | 1 |
Weekly direct flights for Sun 28.04 - Sat 04.05
| Airline | Sun 28.04 | Mon 29.04 | Tue 30.04 | Wed 01.05 | Thu 02.05 | Fri 03.05 | Sat 04.05 |
|---|---|---|---|---|---|---|---|
| 1 | 4 | 4 | 4 | 5 | 4 | 3 | |
| 4 | 4 | 4 | 4 | 3 | 3 | 4 | |
| 1 | 1 | 1 | 1 | 2 | 2 | 2 |
Weekly direct flights for Sun 05.05 - Sat 11.05
| Airline | Sun 05.05 | Mon 06.05 | Tue 07.05 | Wed 08.05 | Thu 09.05 | Fri 10.05 | Sat 11.05 |
|---|---|---|---|---|---|---|---|
| --- | --- | 3 | 5 | 5 | 5 | 3 | |
| 1 | --- | 4 | 3 | 3 | 3 | 4 | |
| --- | --- | 1 | 1 | 2 | 2 | 2 |
Check-in for a flight from Boston to San Francisco
| Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
|---|---|---|---|---|
| JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
| United Airlines | UAL | UA | Yes | No |
| Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
| TAP Portugal | TAP | TP | No | Opens 36 days before flight Closes 1 hours before flight |
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
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