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

British Airways, KLM, and American Airlines are the most popular carriers operating from San Francisco to Belfast

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

Prices for flights from San Francisco Airport to Belfast refresh daily.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Belfast.

What documentation or ID do you need to fly to Belfast?

The travel and health documents you'll need for your trip to Belfast may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£281 Cheap Flights from San Francisco to Belfast in 2025/26

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Find the cheapest flights from San Francisco to Belfast

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18:30 - 18:40SFO-BHD

17h 10m1 stop

06:35 - 13:50BHD-SFO

15h 15m1 stop

£483British Airways

Find Deal

Tue, 24 Mar - Tue, 31 Mar

18:30 - 14:50SFO-BHD

13h 20m1 stop

09:35 - 20:48BHD-SFO

19h 13m2 stops

£495British Airways

Find Deal

Tue, 24 Mar - Tue, 31 Mar

10:24 - 11:30SFO-BHD

18h 06m2 stops

06:35 - 18:42BHD-SFO

20h 07m2 stops

£497American Airlines

Find Deal

Tue, 24 Mar - Tue, 31 Mar

08:00 - 10:20SFO-BHD

18h 20m2 stops

09:10 - 15:00BHD-SFO

13h 50m1 stop

£506Multiple Airlines

Find Deal

Sun, 7 Dec - Sun, 14 Dec

13:55 - 21:00SFO-BHD

23h 05m1 stop

06:30 - 11:50BHD-SFO

13h 20m1 stop

£518Virgin Atlantic

Find Deal

Wed, 3 Dec - Sun, 7 Dec

14:00 - 21:00SFO-BHD

23h 00m2 stops

06:30 - 11:50BHD-SFO

13h 20m1 stop

£521Virgin Atlantic

Find Deal

Wed, 3 Dec - Sun, 7 Dec

06:00 - 16:50SFO-BHD

26h 50m2 stops

06:30 - 11:50BHD-SFO

13h 20m1 stop

£543Delta

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Sat, 15 Nov - Sun, 23 Nov

09:49 - 16:50SFO-BHD

23h 01m2 stops

06:30 - 18:09BHD-SFO

19h 39m2 stops

£551Delta

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Sat, 15 Nov - Sun, 23 Nov

13:55 - 16:50SFO-BHD

18h 55m1 stop

17:20 - 11:50BHD-SFO

26h 30m1 stop

£591Multiple Airlines

Find Deal

Tue, 25 Nov - Tue, 2 Dec

09:00 - 10:20SFO-BHD

17h 20m2 stops

09:10 - 20:30BHD-SFO

19h 20m2 stops

£659American Airlines

Find Deal

Sun, 7 Dec - Sun, 14 Dec

Virgin Atlantic flights from San Francisco to Belfast

Our best Virgin Atlantic deals on San Francisco to Belfast flight tickets

Virgin Atlantic

3 Dec

SFO13:55San Francisco

23h 05m

1 stop

BHD21:00Belfast City

7 Dec

BHD06:30Belfast City

13h 20m

1 stop

SFO11:50San Francisco

£518

Find similar

Virgin Atlantic

3 Dec

SFO14:00San Francisco

23h 00m

2 stops

BHD21:00Belfast City

7 Dec

BHD06:30Belfast City

13h 20m

1 stop

SFO11:50San Francisco

£521

Find similar

Virgin Atlantic

3 Dec

SFO14:00San Francisco

23h 00m

2 stops

BHD21:00Belfast City

7 Dec

BHD06:30Belfast City

25h 50m

2 stops

SFO00:20San Francisco

£529

Find similar

Delta flights from San Francisco to Belfast

Our best Delta deals on San Francisco to Belfast flight tickets

Delta

15 Nov

SFO06:00San Francisco

26h 50m

2 stops

BHD16:50Belfast City

23 Nov

BHD06:30Belfast City

13h 20m

1 stop

SFO11:50San Francisco

£543

Find similar

Delta

15 Nov

SFO09:49San Francisco

23h 01m

2 stops

BHD16:50Belfast City

23 Nov

BHD06:30Belfast City

19h 39m

2 stops

SFO18:09San Francisco

£550

Find similar

Delta

25 Nov

SFO06:00San Francisco

26h 50m

2 stops

BHD16:50Belfast City

2 Dec

BHD06:30Belfast City

13h 20m

1 stop

SFO11:50San Francisco

£564

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 24/3

18:30-18:40

1 stop17h 10m

Belfast City

Tue 31/3

06:35-13:50

1 stop15h 15m

£483

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 24/3

18:30-14:50

1 stop13h 20m

Belfast City

Tue 31/3

09:35-20:48

2 stops19h 13m

£495

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 24/3

10:24-11:30

2 stops18h 06m

Belfast City

Tue 31/3

06:35-18:42

2 stops20h 07m

£497

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 7/12

08:00-10:20

2 stops18h 20m

Belfast City

Sun 14/12

09:10-15:00

1 stop13h 50m

£506

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 3/12

13:55-21:00

1 stop23h 05m

Belfast City

Sun 7/12

06:30-11:50

1 stop13h 20m

£518

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 3/12

14:00-21:00

2 stops23h 00m

Belfast City

Sun 7/12

06:30-11:50

1 stop13h 20m

£521

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 15/11

06:00-16:50

2 stops26h 50m

Belfast City

Sun 23/11

06:30-11:50

1 stop13h 20m

£543

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 15/11

09:49-16:50

2 stops23h 01m

Belfast City

Sun 23/11

06:30-18:09

2 stops19h 39m

£550

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 25/11

13:55-16:50

1 stop18h 55m

Belfast City

Tue 2/12

17:20-11:50

1 stop26h 30m

£591

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 7/12

09:00-10:20

2 stops17h 20m

Belfast City

Sun 14/12

09:10-20:30

2 stops19h 20m

£659

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

What is the cheapest month to fly to Belfast?

The cheapest month to fly to Belfast from San Francisco is in April. Flight prices, which tend to average around £470, are often lower during this time because this is during the off-season. If you aren’t able to travel to Belfast during the month of April, then flying in October is also cheap. Prices for this month can be found on momondo for an average of £492.

Cheap San Francisco to Belfast flight deals and tips

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

Direct flights	None

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

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How far is San Francisco to Belfast by plane?
The straight-line distance from San Francisco to Belfast is 5028.1 mi. A reasonable flight in good conditions will take 13h 20m.
When did momondo last update prices for flights from San Francisco Airport to Belfast?
Prices for flights from San Francisco Airport to Belfast refresh daily.
How old do you have to be to fly from San Francisco Airport to Belfast?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Belfast.
What documentation or ID do you need to fly to Belfast?
The travel and health documents you'll need for your trip to Belfast may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to Belfast. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Belfast from San Francisco with this policy.

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

momondo helps you find the best flight between San Francisco and Belfast by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Belfast from San Francisco are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.