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

KLM, British Airways, and Aer Lingus are the most popular carriers operating from San Francisco to Northern Ireland

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

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

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

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 Northern Ireland.

What documentation or ID do you need to fly to Northern Ireland?

The required travel and health documents for your Northern Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Northern Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£234 Cheap Flights from San Francisco to Northern Ireland in 2026

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Find the cheapest flights from San Francisco to Northern Ireland

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

16:35 - 17:40

SFO

BHD

17h 05m

1 stop

18:30 - 13:50

BHD

SFO

27h 20m

1 stop

£611British Airways

Sun, 26 Apr - Mon, 11 May

16:35 - 17:40

SFO

BHD

17h 05m

1 stop

16:05 - 13:50

BHD

SFO

29h 45m

1 stop

£613British Airways

Sun, 6 Sep - Wed, 9 Sep

19:30 - 19:40

SFO

BHD

16h 10m

1 stop

18:20 - 13:50

BHD

SFO

27h 30m

1 stop

£618British Airways

Tue, 4 Aug - Tue, 18 Aug

11:24 - 15:20

SFO

BHD

19h 56m

2 stops

20:25 - 13:50

BHD

SFO

25h 25m

1 stop

£628British Airways

Tue, 4 Aug - Tue, 18 Aug

15:37 - 17:35

SFO

BHD

17h 58m

2 stops

13:45 - 23:06

BHD

SFO

17h 21m

2 stops

£641American Airlines

Tue, 4 Aug - Tue, 18 Aug

12:55 - 23:20

SFO

BFS

26h 25m

2 stops

20:15 - 16:40

BFS

SFO

28h 25m

2 stops

£647Multiple Airlines

Tue, 5 May - Tue, 12 May

19:30 - 19:25

SFO

BHD

15h 55m

1 stop

11:35 - 13:50

BHD

SFO

34h 15m

1 stop

£655British Airways

Thu, 10 Sep - Mon, 14 Sep

16:35 - 18:45

SFO

BHD

18h 10m

1 stop

19:35 - 13:50

BHD

SFO

26h 15m

1 stop

£663British Airways

Thu, 10 Sep - Mon, 14 Sep

13:45 - 16:55

SFO

BHD

19h 10m

1 stop

17:30 - 19:20

BHD

SFO

33h 50m

2 stops

£668Virgin Atlantic

Sun, 26 Apr - Mon, 11 May

23:15 - 09:55

SFO

BFS

26h 40m

1 stop

14:40 - 21:55

BFS

SFO

39h 15m

2 stops

£733Multiple Airlines

Sun, 26 Apr - Mon, 11 May

American Airlines flights from San Francisco to Northern Ireland

Our best American Airlines deals on San Francisco to Northern Ireland flight tickets

American Airlines

4 Aug

SFO15:37San Francisco

17h 58m

2 stops

BHD17:35Belfast City

18 Aug

BHD13:45Belfast City

17h 21m

2 stops

SFO23:06San Francisco

£641

American Airlines

5 Sept

SFO10:45San Francisco

17h 40m

2 stops

BHD12:25Belfast City

19 Sept

BHD07:05Belfast City

20h 11m

2 stops

SFO19:16San Francisco

£697

American Airlines

2 Jun

SFO13:35San Francisco

17h 45m

2 stops

BHD15:20Belfast City

16 Jun

BHD13:45Belfast City

18h 23m

2 stops

SFO00:08San Francisco

£810

Delta flights from San Francisco to Northern Ireland

Our best Delta deals on San Francisco to Northern Ireland flight tickets

Delta

22 Jun

SFO09:20San Francisco

23h 35m

2 stops

BHD16:55Belfast City

7 Jul

BHD09:50Belfast City

33h 55m

1 stop

SFO11:45San Francisco

£901

Delta

22 Jun

SFO13:45San Francisco

19h 10m

1 stop

BHD16:55Belfast City

6 Jul

BHD17:30Belfast City

26h 15m

1 stop

SFO11:45San Francisco

£920

Delta

23 Jun

SFO11:55San Francisco

21h 00m

2 stops

BHD16:55Belfast City

7 Jul

BHD17:30Belfast City

26h 15m

1 stop

SFO11:45San Francisco

£923

momondo Fare Finder

Use the filters below to find and compare flights from San Francisco to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 26/4

16:35-17:40

1 stop17h 05m

Belfast City

Mon 11/5

18:30-13:50

1 stop27h 20m

£611

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 6/9

16:35-17:40

1 stop17h 05m

Belfast City

Wed 9/9

16:05-13:50

1 stop29h 45m

£613

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 4/8

19:30-19:40

1 stop16h 10m

Belfast City

Tue 18/8

18:20-13:50

1 stop27h 30m

£618

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 4/8

11:24-15:20

2 stops19h 56m

Belfast City

Tue 18/8

20:25-13:50

1 stop25h 25m

£628

Fastest return journey

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 4/8

15:37-17:35

2 stops17h 58m

Belfast City

Tue 18/8

13:45-23:06

2 stops17h 21m

£641

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 5/5

12:55-23:20

2 stops26h 25m

Belfast Intl

Tue 12/5

20:15-16:40

2 stops28h 25m

£647

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Thu 10/9

19:30-19:25

1 stop15h 55m

Belfast City

Mon 14/9

11:35-13:50

1 stop34h 15m

£655

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Thu 10/9

16:35-18:45

1 stop18h 10m

Belfast City

Mon 14/9

19:35-13:50

1 stop26h 15m

£663

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 26/4

13:45-16:55

1 stop19h 10m

Belfast City

Mon 11/5

17:30-19:20

2 stops33h 50m

£668

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Sun 26/4

23:15-09:55

1 stop26h 40m

Belfast Intl

Mon 11/5

14:40-21:55

2 stops39h 15m

£733

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 Northern Ireland

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 Northern Ireland?

In general, April is the cheapest month to fly from San Francisco to Northern Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £438. If you’re not able to fly to Northern Ireland in April, then February is your next best option. Flight prices from San Francisco to Northern Ireland during February average around £458.

Cheap San Francisco to Northern Ireland flight deals and tips

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

Fastest flight time	14h 00m
Direct flights	None

The fastest flight from San Francisco to Northern Ireland takes 14h 00m

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

Search flight deals

When did momondo last update prices for flights from San Francisco Airport to Northern Ireland?
Prices for flights from San Francisco Airport to Northern Ireland are refreshed on a daily basis.
How old do you have to be to fly from San Francisco Airport to Northern Ireland?
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 Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The required travel and health documents for your Northern Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Northern Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

It is quick and easy to find San Francisco to Northern Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Northern Ireland that suits you.

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

Yes. All flights to Northern Ireland from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Francisco to Northern Ireland.

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

Price alerts on flights to Northern Ireland 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.