When did momondo last update prices for flights from Belfast to San Francisco Airport?

Prices for flights from Belfast to San Francisco Airport are refreshed on a daily basis.

How old do you have to be to fly from Belfast to San Francisco Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£372 Cheap Flights from Belfast to San Francisco in 2026/27

Find the cheapest flights from Belfast to San Francisco

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

06:30 - 15:55BHD Belfast City-SFO San Francisco

16h 25m1 stop London Heathrow

08:55 - 10:50SFO San Francisco-BHD Belfast City

17h 55m2 stops Dallas/Fort Worth London Heathrow

£545Multiple Airlines

Thu, 29 Oct - Mon, 2 Nov

06:30 - 14:55BHD Belfast City-SFO San Francisco

16h 25m1 stop London Heathrow

08:55 - 10:45SFO San Francisco-BHD Belfast City

17h 50m2 stops Dallas/Fort Worth London Heathrow

£547Multiple Airlines

Thu, 19 Nov - Sun, 22 Nov

12:40 - 23:37BHD Belfast City-SFO San Francisco

18h 57m2 stops London Heathrow Los Angeles

09:12 - 10:45SFO San Francisco-BHD Belfast City

17h 33m2 stops Chicago O'Hare Intl London Heathrow

£547British Airways

Tue, 13 Oct - Tue, 20 Oct

12:40 - 00:44BHD Belfast City-SFO San Francisco

20h 04m2 stops London Heathrow Dallas/Fort Worth

16:35 - 15:40SFO San Francisco-BHD Belfast City

15h 05m1 stop London Heathrow

£548Multiple Airlines

Tue, 13 Oct - Wed, 21 Oct

06:30 - 19:25BHD Belfast City-SFO San Francisco

19h 55m2 stops London Heathrow Dallas/Fort Worth

08:55 - 10:50SFO San Francisco-BHD Belfast City

17h 55m2 stops Dallas/Fort Worth London Heathrow

£550Multiple Airlines

Thu, 29 Oct - Mon, 2 Nov

11:05 - 22:35BHD Belfast City-SFO San Francisco

19h 30m2 stops London Heathrow Dallas/Fort Worth

16:00 - 16:50SFO San Francisco-BHD Belfast City

16h 50m2 stops Phoenix Sky Harbor Intl London Heathrow

£551British Airways

Thu, 19 Nov - Sun, 22 Nov

17:50 - 14:55BHD Belfast City-SFO San Francisco

29h 05m1 stop London Heathrow

16:00 - 18:50SFO San Francisco-BHD Belfast City

18h 50m2 stops Phoenix Sky Harbor Intl London Heathrow

£571British Airways

Thu, 19 Nov - Sun, 22 Nov

06:30 - 14:55BHD Belfast City-SFO San Francisco

16h 25m1 stop London Heathrow

17:25 - 18:50SFO San Francisco-BHD Belfast City

17h 25m1 stop London Heathrow

£574British Airways

Thu, 19 Nov - Sun, 22 Nov

06:30 - 14:55BHD Belfast City-SFO San Francisco

16h 25m1 stop London Heathrow

17:25 - 16:50SFO San Francisco-BHD Belfast City

15h 25m1 stop London Heathrow

£575British Airways

Thu, 19 Nov - Sun, 22 Nov

20:00 - 15:35BHD Belfast City-SFO San Francisco

27h 35m2 stops London Heathrow Dublin

17:25 - 17:25SFO San Francisco-BHD Belfast City

16h 00m1 stop London Heathrow

£576British Airways

Thu, 21 Jan - Mon, 25 Jan

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British Airways flights from Belfast to San Francisco

Our best British Airways deals on Belfast to San Francisco flight tickets

British Airways

13 Oct

BHD12:40Belfast City

18h 57m

2 stops

SFO23:37San Francisco

20 Oct

SFO09:12San Francisco

17h 33m

2 stops

BHD10:45Belfast City

£547

British Airways

19 Nov

BHD11:05Belfast City

19h 30m

2 stops

SFO22:35San Francisco

22 Nov

SFO16:00San Francisco

16h 50m

2 stops

BHD16:50Belfast City

£551

British Airways

19 Nov

BHD17:50Belfast City

29h 05m

1 stop

SFO14:55San Francisco

22 Nov

SFO16:00San Francisco

18h 50m

2 stops

BHD18:50Belfast City

£571

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Thu 29/10

06:30-15:55

1 stop16h 25m

San Francisco

Mon 2/11

08:55-10:50

2 stops17h 55m

£545

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Thu 19/11

06:30-14:55

1 stop16h 25m

San Francisco

Sun 22/11

08:55-10:45

2 stops17h 50m

£547

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Tue 13/10

12:40-23:37

2 stops18h 57m

San Francisco

Tue 20/10

09:12-10:45

2 stops17h 33m

£547

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Tue 13/10

12:40-00:44

2 stops20h 04m

San Francisco

Wed 21/10

16:35-15:40

1 stop15h 05m

£548

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Thu 29/10

06:30-19:25

2 stops19h 55m

San Francisco

Mon 2/11

08:55-10:50

2 stops17h 55m

£550

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Thu 19/11

11:05-22:35

2 stops19h 30m

San Francisco

Sun 22/11

16:00-16:50

2 stops16h 50m

£551

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Thu 19/11

17:50-14:55

1 stop29h 05m

San Francisco

Sun 22/11

16:00-18:50

2 stops18h 50m

£571

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Thu 19/11

06:30-14:55

1 stop16h 25m

San Francisco

Sun 22/11

17:25-18:50

1 stop17h 25m

£574

Fastest return journey

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Thu 19/11

06:30-14:55

1 stop16h 25m

San Francisco

Sun 22/11

17:25-16:50

1 stop15h 25m

£575

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Thu 21/1

20:00-15:35

2 stops27h 35m

San Francisco

Mon 25/1

17:25-17:25

1 stop16h 00m

£576

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Belfast to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Belfast to San Francisco?

British Airways is the most popular carrier operating from Belfast to San Francisco

Cheap Belfast to San Francisco flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast to San Francisco

Best price found	£372
Fastest flight time	18h 57m
Direct flights	None

The best one-way flight to San Francisco from Belfast in the past 72 hours is £372. The best return flight deal from Belfast to San Francisco found on momondo in the last 72 hours is £545.

The fastest flight from Belfast to San Francisco takes 18h 57m

There are no direct flights from Belfast to San Francisco. There are no popular flight routes from Belfast to San Francisco.

Search flight deals

Frequently asked questions about flying from Belfast to San Francisco

How far is Belfast to San Francisco by plane?
San Francisco is 5028.4 mi away from Belfast. A reasonable flight in good conditions will take 18h 57m.
When did momondo last update prices for flights from Belfast to San Francisco Airport?
Prices for flights from Belfast to San Francisco Airport are refreshed on a daily basis.
How old do you have to be to fly from Belfast to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

South San Francisco

Santa Cruz

Sunnyvale

Calistoga

Carmel-by-the-Sea

Rohnert Park

Windsor

Burlingame

Belmont

Big Sur

Sausalito

San Bruno

Pacific Grove

Aptos

Mill Valley

Newark

Palo Alto

Campbell

Seaside

Roseville

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to San Francisco?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Belfast to San Francisco . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Belfast to San Francisco with flexible booking policies on momondo?

All flight searches from Belfast to San Francisco on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Belfast to San Francisco?

momondo provides multiple filters to help you find the best flight to San Francisco from Belfast. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Belfast to San Francisco right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Belfast to San Francisco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.