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

British Airways and Iberia 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 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.

$317 Cheap Flights from San Francisco to Northern Ireland in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Northern Ireland

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:25 pm - 5:25 pmSFO San Francisco-BHD Belfast City

16h 00m1 stop London Heathrow

5:35 pm - 2:55 pmBHD Belfast City-SFO San Francisco

29h 20m1 stop London Heathrow

$900British Airways

Mon, Mar 1 - Wed, Mar 3

5:25 pm - 5:25 pmSFO San Francisco-BHD Belfast City

16h 00m1 stop London Heathrow

5:35 pm - 2:55 pmBHD Belfast City-SFO San Francisco

29h 20m1 stop London Heathrow

$901British Airways

Mon, Feb 22 - Wed, Feb 24

5:25 pm - 5:25 pmSFO San Francisco-BHD Belfast City

16h 00m1 stop London Heathrow

5:35 pm - 2:55 pmBHD Belfast City-SFO San Francisco

29h 20m1 stop London Heathrow

$901British Airways

Mon, Mar 1 - Wed, Mar 3

6:40 pm - 5:30 pmSFO San Francisco-BHD Belfast City

14h 50m1 stop London Heathrow

6:20 pm - 4:50 pmBHD Belfast City-SFO San Francisco

30h 30m1 stop London Heathrow

$906British Airways

Mon, Apr 26 - Wed, Apr 28

6:40 pm - 6:55 pmSFO San Francisco-BHD Belfast City

16h 15m1 stop London Heathrow

9:35 am - 7:10 pmBHD Belfast City-SFO San Francisco

17h 35m1 stop London Heathrow

$935British Airways

Tue, May 4 - Sat, May 15

5:25 pm - 4:55 pmSFO San Francisco-BHD Belfast City

15h 30m1 stop London Heathrow

6:35 am - 2:55 pmBHD Belfast City-SFO San Francisco

16h 20m1 stop London Heathrow

$958British Airways

Wed, Jan 27 - Tue, Feb 2

5:25 pm - 4:55 pmSFO San Francisco-BHD Belfast City

15h 30m1 stop London Heathrow

6:35 am - 2:55 pmBHD Belfast City-SFO San Francisco

16h 20m1 stop London Heathrow

$959British Airways

Wed, Jan 27 - Tue, Feb 2

2:10 pm - 3:20 pmSFO San Francisco-BHD Belfast City

17h 10m2 stops Dallas/Fort Worth London Heathrow

7:05 am - 6:35 pmBHD Belfast City-SFO San Francisco

19h 30m2 stops London Heathrow Los Angeles

$970American Airlines

Tue, May 4 - Sat, May 15

7:00 am - 10:55 amSFO San Francisco-BHD Belfast City

43h 55m3 stops Seattle/Tacoma Intl Hong Kong Intl London Heathrow

7:30 pm - 9:45 amBHD Belfast City-SFO San Francisco

46h 15m2 stops London Heathrow Hong Kong Intl

$12,733Multiple Airlines

Wed, Jan 27 - Tue, Feb 2

6:08 pm - 8:20 pmSFO San Francisco-BHD Belfast City

42h 12m3 stops Los Angeles Hong Kong Intl London Heathrow

11:40 am - 9:15 pmBHD Belfast City-SFO San Francisco

41h 35m2 stops London Heathrow Hong Kong Intl

$12,735Multiple Airlines

Wed, Jan 27 - Tue, Feb 2

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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

Mar 1

SFO5:25 pmSan Francisco

16h 00m

1 stop

BHD5:25 pmBelfast City

Mar 3

BHD5:35 pmBelfast City

29h 20m

1 stop

SFO2:55 pmSan Francisco

$900

British Airways

Feb 22

SFO5:25 pmSan Francisco

16h 00m

1 stop

BHD5:25 pmBelfast City

Feb 24

BHD5:35 pmBelfast City

29h 20m

1 stop

SFO2:55 pmSan Francisco

$901

British Airways

Apr 26

SFO6:40 pmSan Francisco

14h 50m

1 stop

BHD5:30 pmBelfast City

Apr 28

BHD6:20 pmBelfast City

30h 30m

1 stop

SFO4:50 pmSan Francisco

$906

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 San Francisco - BHD Belfast City

SFOBHD

San Francisco

Mon 3/1

5:25 pm-5:25 pm

1 stop16h 00m

Belfast City

Wed 3/3

5:35 pm-2:55 pm

1 stop29h 20m

$900

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Mon 2/22

5:25 pm-5:25 pm

1 stop16h 00m

Belfast City

Wed 2/24

5:35 pm-2:55 pm

1 stop29h 20m

$901

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Mon 3/1

5:25 pm-5:25 pm

1 stop16h 00m

Belfast City

Wed 3/3

5:35 pm-2:55 pm

1 stop29h 20m

$901

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Mon 4/26

6:40 pm-5:30 pm

1 stop14h 50m

Belfast City

Wed 4/28

6:20 pm-4:50 pm

1 stop30h 30m

$906

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Tue 5/4

6:40 pm-6:55 pm

1 stop16h 15m

Belfast City

Sat 5/15

9:35 am-7:10 pm

1 stop17h 35m

$935

Quickest round-trip

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Wed 1/27

5:25 pm-4:55 pm

1 stop15h 30m

Belfast City

Tue 2/2

6:35 am-2:55 pm

1 stop16h 20m

$958

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Wed 1/27

5:25 pm-4:55 pm

1 stop15h 30m

Belfast City

Tue 2/2

6:35 am-2:55 pm

1 stop16h 20m

$959

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Tue 5/4

2:10 pm-3:20 pm

2 stops17h 10m

Belfast City

Sat 5/15

7:05 am-6:35 pm

2 stops19h 30m

$970

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Wed 1/27

7:00 am-10:55 am

3 stops43h 55m

Belfast City

Tue 2/2

7:30 pm-9:45 am

2 stops46h 15m

$12,733

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Wed 1/27

6:08 pm-8:20 pm

3 stops42h 12m

Belfast City

Tue 2/2

11:40 am-9:15 pm

2 stops41h 35m

$12,735

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 21% 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

Best Price Found	$317
Fastest flight time	14h 50m
Direct flights	None

The best one-way flight to Northern Ireland from San Francisco in the past 72 hours is $317. The best round-trip flight deal from San Francisco to Northern Ireland found on momondo in the last 72 hours is $900.

The fastest flight from San Francisco to Northern Ireland takes 14h 50m

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 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 8,286 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.