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.

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The distance between Boston and San Francisco is 4347 km. The most popular airlines for this route are United Airlines, JetBlue Airways, Alaska Airlines, Frontier Airlines, and Sun Country Airlines. Boston and San Francisco have 83 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 03.11 - Sat 09.11

AirlineSun 03.11Mon 04.11Tue 05.11Wed 06.11Thu 07.11Fri 08.11Sat 09.11
---555434
1444332
111111---

Weekly direct flights for Sun 10.11 - Sat 16.11

AirlineSun 10.11Mon 11.11Tue 12.11Wed 13.11Thu 14.11Fri 15.11Sat 16.11
2255454
------4444---
1---1111---

Weekly direct flights for Sun 17.11 - Sat 23.11

AirlineSun 17.11Mon 18.11Tue 19.11Wed 20.11Thu 21.11Fri 22.11Sat 23.11
5555334
3444553
1111111

Weekly direct flights for Sun 24.11 - Sat 30.11

AirlineSun 24.11Mon 25.11Tue 26.11Wed 27.11Thu 28.11Fri 29.11Sat 30.11
34244------
555531---
1111---1---

Check-in for a flight from Boston to San Francisco

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUAYes
JetBlue AirwaysJBUB6No
Alaska AirlinesASAASNo
Frontier AirlinesFFTF9No
Sun Country AirlinesSCXSYYes

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
333
days per year

14 day forecast

Wednesday
6 Nov
17°C12°C
13 Nov
15°C11°C
Thursday
7 Nov
18°C9°C
14 Nov
15°C12°C
Friday
8 Nov
17°C13°C
15 Nov
68%
13°C11°C
Saturday
9 Nov
16°C13°C
16 Nov
12°C9°C
Sunday
10 Nov
15°C12°C
17 Nov
86%
13°C9°C
Monday
11 Nov
75%
14°C11°C
18 Nov
12°C9°C
Tuesday
12 Nov
14°C9°C
19 Nov
13°C11°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?
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What airports are near Boston?
What airports are near San Francisco?
Which airlines fly between Boston and San Francisco?
When's the best time to travel between Boston and San Francisco?
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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?

Explore alternative trips

Flights from Boston

Flights to San Francisco

Popular routes

The nearest countries with flights to San Francisco

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Other destination countries from Boston

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