Cheap flights from Boston to San Francisco from $123
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How much do flights to San Francisco cost?
Key info about flying to San Francisco
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 chart.
| Airline | Sun 13.04 | Mon 14.04 | Tue 15.04 | Wed 16.04 | Thu 17.04 | Fri 18.04 | Sat 19.04 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | --- | --- | --- | 1 | |
| --- | --- | --- | --- | --- | --- | --- | |
| --- | --- | --- | --- | --- | --- | --- | |
| --- | --- | --- | --- | --- | --- | --- | |
| Weekly flights: 1 total | Daily flights: 0.14 average | Most flights: Saturday 1 flights |
| Airline | Sun 20.04 | Mon 21.04 | Tue 22.04 | Wed 23.04 | Thu 24.04 | Fri 25.04 | Sat 26.04 |
|---|---|---|---|---|---|---|---|
| 2 | 1 | 1 | 3 | 4 | 4 | 3 | |
| --- | --- | --- | 1 | 1 | 3 | 5 | |
| --- | --- | --- | --- | --- | 1 | 1 | |
| --- | --- | --- | --- | --- | 1 | 1 | |
| Weekly flights: 32 total | Daily flights: 4.57 average | Most flights: Saturday 5 flights |
| Airline | Sun 27.04 | Mon 28.04 | Tue 29.04 | Wed 30.04 | Thu 01.05 | Fri 02.05 | Sat 03.05 |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 5 | 5 | 4 | 5 | 4 | |
| --- | --- | 5 | 5 | 5 | 5 | 5 | |
| --- | 1 | 1 | 1 | 1 | 1 | 1 | |
| --- | --- | --- | --- | --- | --- | --- | |
| Weekly flights: 56 total | Daily flights: 8 average | Most flights: Tuesday 5 flights |
| Airline | Sun 04.05 | Mon 05.05 | Tue 06.05 | Wed 07.05 | Thu 08.05 | Fri 09.05 | Sat 10.05 |
|---|---|---|---|---|---|---|---|
| 4 | 5 | 5 | 5 | 5 | 5 | 4 | |
| 3 | 5 | 5 | 5 | 4 | 3 | 5 | |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| --- | --- | --- | --- | --- | --- | --- | |
| Weekly flights: 70 total | Daily flights: 10 average | Most flights: Monday 5 flights |
Check-in for a flight from Boston to San Francisco
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| United Airlines | UAL | UA | No |
| JetBlue Airways | JBU | B6 | No |
| Frontier Airlines | FFT | F9 | No |
| Alaska Airlines | ASA | AS | No |
| American Airlines | AAL | AA | No |
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
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