Cheap flights from Belfast to San Francisco from $483

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3 stops
Tue, Nov 11
Belfast BFSSan Francisco SFO

$483
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1 stop
Sun, Nov 9
Belfast BFSSan Francisco SFO

$512
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2 stops
Wed, Nov 12
Belfast BFSSan Francisco SFO

$563
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2 stops
Sun, Nov 9
Belfast BFSSan Francisco SFO

$564
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2 stops
Sun, Nov 9
Belfast BHDSan Francisco SFO

$570
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2 stops
Mon, Nov 10
Belfast BFSSan Francisco SFO

$595
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2 stops
Thu, Nov 13 – Mon, Nov 17
Belfast BFSSan Francisco SFO

$685
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2 stops
Thu, Nov 13 – Mon, Nov 17
Belfast BFSSan Francisco SFO

$696
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2 stops
Thu, Nov 13 – Mon, Nov 17
Belfast BFSSan Francisco SFO

$697
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2 stops
Thu, Nov 13 – Mon, Nov 17
Belfast BFSSan Francisco SFO

$697
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2 stops
Fri, Nov 14 – Mon, Nov 17
Belfast BFSSan Francisco SFO

$718
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2 stops
Thu, Nov 13 – Mon, Nov 17
Belfast BFSSan Francisco SFO

$724
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How much do flights to San Francisco cost?

Key info about flying to San Francisco

Depart from
Belfast International
Arrive to
San Francisco International
Average flights per week
400
Flight distance
Worth visiting
Golden Gate Bridge - Alcatraz - Big Sur

Check-in for a flight from Belfast to San Francisco

NameCarrier codeIATA CodePassport needed during booking
easyJetEZYU2Yes
RyanairRYRFRNo
JetBlue AirwaysJBUB6No
Alaska AirlinesASAASNo
Hawaiian AirlinesHALHANo

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
May18°C10°C
June20°C12°C
July21°C13°C
August22°C14°C
September22°C14°C
October21°C13°C
November17°C10°C
December13°C8°C
Hottest Month
22°C
September
Coldest month
7°C
January
Sunny days
333
days per year

14 day forecast

Friday
17 Oct
25°C10°C
24 Oct
86%
17°C14°C
Saturday
18 Oct
21°C12°C
25 Oct
16°C13°C
Sunday
19 Oct
15°C12°C
26 Oct
79%
14°C12°C
Monday
20 Oct
22°C12°C
27 Oct
17°C11°C
Tuesday
21 Oct
20°C16°C
28 Oct
19°C14°C
Wednesday
22 Oct
18°C14°C
29 Oct
19°C15°C
Thursday
23 Oct
18°C14°C
30 Oct
21°C15°C
Travelers usually depart from Belfast International, or George Best Belfast City when they travel from Belfast to San Francisco. The most popular airlines for this route are easyJet, Ryanair, JetBlue Airways, Alaska Airlines, and Hawaiian Airlines. Belfast and San Francisco have 400 direct flights per week. When you arrive at San Francisco, consider visiting Golden Gate Bridge, Alcatraz, and Big Sur.

Frequently asked questions

What are the most popular routes to and from Belfast?
What are the most popular routes to and from San Francisco?
Which airports are there in Belfast?
What airports are near Belfast?
What airports are near San Francisco?
Which airlines fly between Belfast and San Francisco?
When’s the best time to travel between Belfast and San Francisco?
What flights operate between Belfast and San Francisco?
How many airports are there near Belfast?
How many airports are there near San Francisco?
What time do nonstop (direct) flights between Belfast and San Francisco depart?
What time do nonstop (direct) flights between Belfast and San Francisco arrive?
What time do flights between Belfast and San Francisco depart?
What time do flights between Belfast and San Francisco arrive?

Explore alternative trips

Flights from Belfast

Flights to San Francisco

Popular routes

The nearest countries with flights to San Francisco

Here is a list of countries people are flying from

Other destination countries from Belfast

Here is a list of countries people are flying to

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