Cheap flights from Boston, MA to San Francisco, CA

Flights starting at £94. Choose between United Airlines, JetBlue Airways, or Alaska Airlines to find the best price.

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Tips to know when travelling to San Francisco

The distance between Boston and San Francisco is 4347 km. The most popular airlines for this route are United Airlines, JetBlue Airways, and Alaska Airlines. Boston and San Francisco have 84 direct flights per week. When you arrive at San Francisco, consider visiting Big Sur, Alcatraz, 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 Mon 27.05 - Sun 02.06

AirlineMon 27.05Tue 28.05Wed 29.05Thu 30.05Fri 31.05Sat 01.06Sun 02.06
1145431
144444---
------1222---

Weekly direct flights for Mon 03.06 - Sun 09.06

AirlineMon 03.06Tue 04.06Wed 05.06Thu 06.06Fri 07.06Sat 08.06Sun 09.06
3254332
1434451
2222221

Weekly direct flights for Mon 10.06 - Sun 16.06

AirlineMon 10.06Tue 11.06Wed 12.06Thu 13.06Fri 14.06Sat 15.06Sun 16.06
2354323
2441---1---
2221---1---

Weekly direct flights for Mon 17.06 - Sun 23.06

AirlineMon 17.06Tue 18.06Wed 19.06Thu 20.06Fri 21.06Sat 22.06Sun 23.06
5545511
53443------
2112222

Check-in for a flight from Boston to San Francisco

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
United AirlinesUALUAYesNo
JetBlue AirwaysJBUB6NoOpens 24 days before flight
Closes 2 hours before flight
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight

San Francisco travel tips

1) Visit de Young Art Museum in San Francisco for North and South American art
2) Head to Silicon Valley from San Francisco
3) Taste craft beer in San Francisco pubs

Weather in San Francisco

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January14°C7°C
February15°C8°C
March15°C8°C
April17°C9°C
May19°C10°C
June21°C12°C
July22°C13°C
August22°C14°C
September23°C14°C
October21°C13°C
November17°C10°C
December13°C8°C
Hottest Month
23°C
September
Coldest month
7°C
January
Sunny days
332
days per year

14 day forecast

Tuesday
28 May
15°C11°C
4 Jun
17°C12°C
Wednesday
29 May
17°C10°C
5 Jun
15°C11°C
Thursday
30 May
18°C11°C
6 Jun
19°C11°C
Friday
31 May
18°C11°C
7 Jun
20°C14°C
Saturday
1 Jun
16°C11°C
8 Jun
20°C13°C
Sunday
2 Jun
16°C11°C
9 Jun
19°C13°C
Monday
3 Jun
18°C11°C
10 Jun
17°C13°C

Frequently asked questions

How long does it take to travel from Boston to San Francisco?
What is the flight distance between Boston and San Francisco?
What airlines offer nonstop (direct) flights between Boston and San Francisco?
What are the most popular routes to and from Boston?
What are the most popular routes to and from San Francisco?
What airports are near Boston?
What airports are near San Francisco?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Boston and San Francisco?
What is Virtual Interlining and how do I use it?
Which airlines fly between Boston and San Francisco?
When's the best time to travel between Boston and San Francisco?
What flights operate between Boston and San Francisco?
How many airports are there near Boston?
How many airports are there near San Francisco?
What time do nonstop (direct) flights between Boston and San Francisco depart?
What time do nonstop (direct) flights between Boston and San Francisco arrive?
What time do flights between Boston and San Francisco depart?
What time do flights between Boston and San Francisco arrive?

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