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

British Airways, KLM, and Air France 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.

£214 Cheap Flights from San Francisco to Belfast in 2025/26

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Find the cheapest flights from San Francisco to Belfast

Round-trip

One-way

Cheap return flights

13:45 - 16:55SFO-BHD

19h 10m1 stop

17:25 - 11:45BHD-SFO

26h 20m1 stop

£463Delta

Find Deal

Sun, 28 Sep - Mon, 6 Oct

10:30 - 16:55SFO-BHD

22h 25m2 stops

17:25 - 11:45BHD-SFO

26h 20m1 stop

£467Delta

Find Deal

Sun, 28 Sep - Mon, 6 Oct

14:10 - 15:40SFO-BHD

17h 30m2 stops

06:45 - 19:08BHD-SFO

19h 23m2 stops

£473American Airlines

Find Deal

Mon, 20 Oct - Fri, 31 Oct

13:55 - 16:50SFO-BHD

18h 55m1 stop

06:30 - 11:50BHD-SFO

13h 20m1 stop

£500Virgin Atlantic

Find Deal

Wed, 3 Dec - Sun, 7 Dec

13:45 - 16:55SFO-BHD

19h 10m2 stops

06:30 - 11:50BHD-SFO

13h 20m1 stop

£503Multiple Airlines

Find Deal

Fri, 24 Oct - Fri, 7 Nov

17:30 - 16:35SFO-BHD

15h 05m1 stop

15:10 - 18:45BHD-SFO

35h 35m1 stop

£511British Airways

Find Deal

Wed, 3 Dec - Sun, 7 Dec

10:30 - 21:00SFO-BHD

26h 30m2 stops

06:30 - 11:50BHD-SFO

13h 20m1 stop

£516Virgin Atlantic

Find Deal

Wed, 3 Dec - Sun, 7 Dec

16:26 - 16:45SFO-BHD

16h 19m2 stops

12:10 - 00:04BHD-SFO

18h 54m2 stops

£517American Airlines

Find Deal

Sat, 7 Mar - Sun, 15 Mar

10:16 - 12:10SFO-BHD

17h 54m2 stops

11:30 - 23:25BHD-SFO

19h 55m2 stops

£529British Airways

Find Deal

Sat, 25 Oct - Fri, 7 Nov

13:45 - 16:55SFO-BHD

19h 10m1 stop

17:25 - 11:45BHD-SFO

26h 20m1 stop

£583Multiple Airlines

Find Deal

Sun, 28 Sep - Sun, 5 Oct

British Airways flights from San Francisco to Belfast

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

British Airways

3 Dec

SFO17:30San Francisco

15h 05m

1 stop

BHD16:35Belfast City

7 Dec

BHD15:10Belfast City

35h 35m

1 stop

SFO18:45San Francisco

£511

Find similar

British Airways

25 Oct

SFO10:16San Francisco

17h 54m

2 stops

BHD12:10Belfast City

7 Nov

BHD11:30Belfast City

19h 55m

2 stops

SFO23:25San Francisco

£529

Find similar

British Airways

7 Mar

SFO17:30San Francisco

19h 00m

1 stop

BHD20:30Belfast City

15 Mar

BHD06:30Belfast City

16h 30m

1 stop

SFO16:00San Francisco

£556

Find similar

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

18h 55m

1 stop

BHD16:50Belfast City

7 Dec

BHD06:30Belfast City

13h 20m

1 stop

SFO11:50San Francisco

£500

Find similar

Virgin Atlantic

3 Dec

SFO10:30San Francisco

26h 30m

2 stops

BHD21:00Belfast City

7 Dec

BHD06:30Belfast City

13h 20m

1 stop

SFO11:50San Francisco

£516

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 28/9

13:45-16:55

1 stop19h 10m

Belfast City

Mon 6/10

17:25-11:45

1 stop26h 20m

£463

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 28/9

10:30-16:55

2 stops22h 25m

Belfast City

Mon 6/10

17:25-11:45

1 stop26h 20m

£467

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 20/10

14:10-15:40

2 stops17h 30m

Belfast City

Fri 31/10

06:45-19:08

2 stops19h 23m

£473

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 3/12

13:55-16:50

1 stop18h 55m

Belfast City

Sun 7/12

06:30-11:50

1 stop13h 20m

£500

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Fri 24/10

13:45-16:55

2 stops19h 10m

Belfast City

Fri 7/11

06:30-11:50

1 stop13h 20m

£503

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 3/12

17:30-16:35

1 stop15h 05m

Belfast City

Sun 7/12

15:10-18:45

1 stop35h 35m

£511

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 3/12

10:30-21:00

2 stops26h 30m

Belfast City

Sun 7/12

06:30-11:50

1 stop13h 20m

£516

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 7/3

16:26-16:45

2 stops16h 19m

Belfast City

Sun 15/3

12:10-00:04

2 stops18h 54m

£517

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 25/10

10:16-12:10

2 stops17h 54m

Belfast City

Fri 7/11

11:30-23:25

2 stops19h 55m

£529

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 28/9

13:45-16:55

1 stop19h 10m

Belfast City

Sun 5/10

17:25-11:45

1 stop26h 20m

£582

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 October. Flight prices, which tend to average around £431, 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 October, then flying in April is also cheap. Prices for this month can be found on momondo for an average of £456.

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.

Search flight deals

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 14h 45m.
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.