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

Air France and British Airways 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 refresh daily.

How many operators does momondo search for flights from San Francisco Airport to Northern Ireland?

As of June 2026, there is 1 operator available to choose from for flights from San Francisco Airport to Northern Ireland.

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 travel and health documents required for your trip to Northern Ireland 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 Northern Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$386 Cheap Flights from San Francisco to Northern Ireland in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Northern Ireland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:30 pm - 7:50 pm

SFO

BHD

16h 20m

1 stop

3:50 pm - 1:50 pm

BHD

SFO

30h 00m

1 stop

$937British Airways

Wed, Sep 9 - Sun, Sep 20

1:29 pm - 3:40 pm

SFO

BHD

18h 11m

2 stops

8:10 pm - 1:50 pm

BHD

SFO

25h 40m

1 stop

$946British Airways

Wed, Sep 9 - Sun, Sep 20

1:27 pm - 3:40 pm

SFO

BHD

18h 13m

2 stops

1:10 pm - 12:20 am

BHD

SFO

19h 10m

2 stops

$954American Airlines

Wed, Sep 9 - Sun, Sep 20

5:35 pm - 7:30 pm

SFO

BFS

17h 55m

2 stops

6:40 am - 4:40 pm

BFS

SFO

42h 00m

3 stops

$1,144Multiple Airlines

Thu, Aug 13 - Thu, Aug 20

8:30 am - 7:30 pm

SFO

BFS

27h 00m

2 stops

6:40 am - 9:07 pm

BFS

SFO

22h 27m

2 stops

$1,170Multiple Airlines

Thu, Aug 13 - Thu, Aug 20

11:10 am - 7:25 pm

SFO

BFS

24h 15m

2 stops

10:00 pm - 3:50 pm

BFS

SFO

25h 50m

2 stops

$1,270Multiple Airlines

Sun, Aug 9 - Sun, Aug 16

2:03 pm - 4:45 pm

SFO

BHD

18h 42m

2 stops

6:35 am - 6:35 pm

BHD

SFO

20h 00m

1 stop

$1,328American Airlines

Sat, Dec 19 - Tue, Dec 22

2:03 pm - 4:45 pm

SFO

BHD

18h 42m

2 stops

10:00 am - 10:09 pm

BHD

SFO

20h 09m

2 stops

$1,338American Airlines

Sat, Dec 19 - Tue, Dec 22

8:35 pm - 1:55 pm

SFO

BHD

33h 20m

1 stop

5:15 pm - 2:55 pm

BHD

SFO

29h 40m

1 stop

$1,364British Airways

Sat, Dec 19 - Tue, Dec 22

4:18 pm - 8:35 pm

SFO

BHD

20h 17m

2 stops

7:10 pm - 5:53 pm

BHD

SFO

30h 43m

2 stops

$1,597British Airways

Mon, Oct 12 - Sun, Oct 18

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British Airways flights from San Francisco to Northern Ireland

Our best British Airways deals on San Francisco to Northern Ireland flight tickets

British Airways

Sep 9

SFO7:30 pmSan Francisco

16h 20m

1 stop

BHD7:50 pmBelfast City

Sep 20

BHD3:50 pmBelfast City

30h 00m

1 stop

SFO1:50 pmSan Francisco

$937

British Airways

Sep 9

SFO1:29 pmSan Francisco

18h 11m

2 stops

BHD3:40 pmBelfast City

Sep 20

BHD8:10 pmBelfast City

25h 40m

1 stop

SFO1:50 pmSan Francisco

$946

British Airways

Dec 19

SFO8:35 pmSan Francisco

33h 20m

1 stop

BHD1:55 pmBelfast City

Dec 22

BHD5:15 pmBelfast City

29h 40m

1 stop

SFO2:55 pmSan Francisco

$1,364

KLM flights from San Francisco to Northern Ireland

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

KLM

Jul 1

SFO1:45 pmSan Francisco

35h 35m

1 stop

BHD9:20 amBelfast City

Jul 8

BHD9:50 amBelfast City

33h 55m

1 stop

SFO11:45 amSan Francisco

$1,568

KLM

Jul 1

SFO1:45 pmSan Francisco

35h 35m

1 stop

BHD9:20 amBelfast City

Jul 8

BHD9:50 amBelfast City

33h 55m

1 stop

SFO11:45 amSan Francisco

$1,734

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 round-trip

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 9/9

7:30 pm-7:50 pm

1 stop16h 20m

Belfast City

Sun 9/20

3:50 pm-1:50 pm

1 stop30h 00m

$937

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 9/9

1:29 pm-3:40 pm

2 stops18h 11m

Belfast City

Sun 9/20

8:10 pm-1:50 pm

1 stop25h 40m

$946

Quickest round-trip

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 9/9

1:27 pm-3:40 pm

2 stops18h 13m

Belfast City

Sun 9/20

1:10 pm-12:20 am

2 stops19h 10m

$954

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Thu 8/13

5:35 pm-7:30 pm

2 stops17h 55m

Belfast Intl

Thu 8/20

6:40 am-4:40 pm

3 stops42h 00m

$1,144

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Thu 8/13

8:30 am-7:30 pm

2 stops27h 00m

Belfast Intl

Thu 8/20

6:40 am-9:07 pm

2 stops22h 27m

$1,170

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Sun 8/9

11:10 am-7:25 pm

2 stops24h 15m

Belfast Intl

Sun 8/16

10:00 pm-3:50 pm

2 stops25h 50m

$1,270

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 12/19

2:03 pm-4:45 pm

2 stops18h 42m

Belfast City

Tue 12/22

6:35 am-6:35 pm

1 stop20h 00m

$1,328

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 12/19

2:03 pm-4:45 pm

2 stops18h 42m

Belfast City

Tue 12/22

10:00 am-10:09 pm

2 stops20h 09m

$1,338

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 12/19

8:35 pm-1:55 pm

1 stop33h 20m

Belfast City

Tue 12/22

5:15 pm-2:55 pm

1 stop29h 40m

$1,364

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 10/12

4:18 pm-8:35 pm

2 stops20h 17m

Belfast City

Sun 10/18

7:10 pm-5:53 pm

2 stops30h 43m

$1,597

Flights are sorted by cheapest round-trip 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

Can stopping save me money on San Francisco to Northern Ireland flights?

You could potentially save up to 2% on your flight if you consider stops on a San Francisco to Northern Ireland flight.

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	16h 20m
Direct flights	None

The fastest flight from San Francisco to Northern Ireland takes 16h 20m

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

Frequently asked questions about flying 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 refresh daily.
How many operators does momondo search for flights from San Francisco Airport to Northern Ireland?
As of June 2026, there is 1 operator available to choose from for flights from San Francisco Airport to Northern Ireland.
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 travel and health documents required for your trip to Northern Ireland 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 Northern Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from San Francisco to Northern Ireland

Compare and see reviews for airlines that fly from San Francisco to Northern Ireland with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $586	Free Cancellation	Rating 6.7 8,082 reviews		Search British Airways flights

Why use momondo?

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

Finding the right flight to Northern Ireland from San Francisco is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Northern Ireland quick and easy, saving you time and money.

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?

Once you have performed a search for San Francisco to Northern Ireland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Northern Ireland, momondo offers a useful price alert feature which will track prices for flights to Northern Ireland from San Francisco and alert you when they change.