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

KLM is the most popular carrier 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.

£262 Cheap Flights from San Francisco to Belfast in 2025

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Find the cheapest flights from San Francisco to Belfast

Round-trip

One-way

Last minute

Cheap return flights

19:20 - 17:30SFO-BHD

14h 10m1 stop

09:15 - 19:45BHD-SFO

17h 30m1 stop

£467British Airways

Find Deal

Tue, 21 Oct - Wed, 29 Oct

19:20 - 17:40SFO-BHD

14h 20m1 stop

11:25 - 23:09BHD-SFO

19h 44m2 stops

£475British Airways

Find Deal

Sun, 19 Oct - Tue, 4 Nov

10:25 - 11:55SFO-BHD

17h 30m2 stops

06:50 - 17:59BHD-SFO

19h 09m2 stops

£477American Airlines

Find Deal

Wed, 8 Oct - Wed, 15 Oct

13:45 - 21:15SFO-BHD

23h 30m1 stop

17:20 - 11:50BHD-SFO

26h 30m1 stop

£495Virgin Atlantic

Find Deal

Sun, 19 Oct - Tue, 4 Nov

13:45 - 21:15SFO-BHD

23h 30m1 stop

06:30 - 11:45BHD-SFO

13h 15m1 stop

£523Delta

Find Deal

Sun, 5 Oct - Tue, 14 Oct

10:55 - 16:55SFO-BHD

22h 00m2 stops

17:25 - 11:45BHD-SFO

26h 20m1 stop

£527Delta

Find Deal

Sun, 5 Oct - Wed, 15 Oct

16:20 - 21:15SFO-BFS

20h 55m3 stops

07:25 - 14:35BFS-SFO

39h 10m3 stops

£534

Find Deal

Tue, 7 Oct - Tue, 14 Oct

16:20 - 19:25SFO-BFS

19h 05m2 stops

07:25 - 14:35BFS-SFO

39h 10m3 stops

£537

Find Deal

Tue, 7 Oct - Tue, 14 Oct

11:05 - 21:00SFO-BHD

25h 55m2 stops

06:30 - 11:50BHD-SFO

13h 20m1 stop

£549Virgin Atlantic

Find Deal

Wed, 3 Dec - Sun, 7 Dec

13:21 - 15:40SFO-BHD

18h 19m2 stops

10:00 - 20:55BHD-SFO

18h 55m2 stops

£1,024American Airlines

Find Deal

Mon, 22 Sep - Wed, 24 Sep

British Airways flights from San Francisco to Belfast

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

British Airways

21 Oct

SFO19:20San Francisco

14h 10m

1 stop

BHD17:30Belfast City

29 Oct

BHD09:15Belfast City

17h 30m

1 stop

SFO19:45San Francisco

£467

Find similar

British Airways

19 Oct

SFO19:20San Francisco

14h 20m

1 stop

BHD17:40Belfast City

4 Nov

BHD11:25Belfast City

19h 44m

2 stops

SFO23:09San Francisco

£475

Find similar

British Airways

7 Oct

SFO06:00San Francisco

20h 35m

2 stops

BHD10:35Belfast City

14 Oct

BHD20:20Belfast City

29h 39m

2 stops

SFO17:59San Francisco

£485

Find similar

Virgin Atlantic flights from San Francisco to Belfast

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

Virgin Atlantic

19 Oct

SFO13:45San Francisco

23h 30m

1 stop

BHD21:15Belfast City

4 Nov

BHD17:20Belfast City

26h 30m

1 stop

SFO11:50San Francisco

£495

Find similar

Virgin Atlantic

3 Dec

SFO11:05San Francisco

25h 55m

2 stops

BHD21:00Belfast City

7 Dec

BHD06:30Belfast City

13h 20m

1 stop

SFO11:50San Francisco

£549

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 21/10

19:20-17:30

1 stop14h 10m

Belfast City

Wed 29/10

09:15-19:45

1 stop17h 30m

£467

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 19/10

19:20-17:40

1 stop14h 20m

Belfast City

Tue 4/11

11:25-23:09

2 stops19h 44m

£475

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 8/10

10:25-11:55

2 stops17h 30m

Belfast City

Wed 15/10

06:50-17:59

2 stops19h 09m

£477

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 19/10

13:45-21:15

1 stop23h 30m

Belfast City

Tue 4/11

17:20-11:50

1 stop26h 30m

£495

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 5/10

13:45-21:15

1 stop23h 30m

Belfast City

Tue 14/10

06:30-11:45

1 stop13h 15m

£523

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 5/10

10:55-16:55

2 stops22h 00m

Belfast City

Wed 15/10

17:25-11:45

1 stop26h 20m

£527

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 7/10

16:20-21:15

3 stops20h 55m

Belfast Intl

Tue 14/10

07:25-14:35

3 stops39h 10m

£534

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 7/10

16:20-19:25

2 stops19h 05m

Belfast Intl

Tue 14/10

07:25-14:35

3 stops39h 10m

£537

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 3/12

11:05-21:00

2 stops25h 55m

Belfast City

Sun 7/12

06:30-11:50

1 stop13h 20m

£549

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 22/9

13:21-15:40

2 stops18h 19m

Belfast City

Wed 24/9

10:00-20:55

2 stops18h 55m

£1,024

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 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 £436, 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 £461.

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 14h 10m.
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.