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

Aer Lingus is the most popular carrier 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 September 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.

$349 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.

1:45 pm - 9:20 amSFO San Francisco-BHD Belfast City

35h 35m1 stop Amsterdam Schiphol

5:15 pm - 11:45 amBHD Belfast City-SFO San Francisco

26h 30m1 stop Amsterdam Schiphol

$784Delta

Tue, Oct 13 - Thu, Nov 5

1:45 pm - 9:20 amSFO San Francisco-BHD Belfast City

35h 35m1 stop Amsterdam Schiphol

5:15 pm - 12:45 pmBHD Belfast City-SFO San Francisco

26h 30m1 stop Amsterdam Schiphol

$784Delta

Tue, Oct 13 - Tue, Oct 27

1:50 pm - 4:45 pmSFO San Francisco-BHD Belfast City

18h 55m1 stop Amsterdam Schiphol

5:15 pm - 11:45 amBHD Belfast City-SFO San Francisco

26h 30m1 stop Amsterdam Schiphol

$784Multiple Airlines

Sun, Nov 15 - Tue, Nov 24

1:45 pm - 9:20 amSFO San Francisco-BHD Belfast City

35h 35m1 stop Amsterdam Schiphol

5:15 pm - 11:45 amBHD Belfast City-SFO San Francisco

26h 30m1 stop Amsterdam Schiphol

$784Delta

Tue, Oct 13 - Mon, Nov 9

10:35 am - 4:55 pmSFO San Francisco-BHD Belfast City

22h 20m2 stops Seattle/Tacoma Intl Amsterdam Schiphol

5:15 pm - 12:45 pmBHD Belfast City-SFO San Francisco

26h 30m1 stop Amsterdam Schiphol

$789Delta

Wed, Oct 14 - Tue, Oct 27

2:15 pm - 4:55 pmSFO San Francisco-BHD Belfast City

18h 40m2 stops Seattle/Tacoma Intl Amsterdam Schiphol

5:15 pm - 11:45 amBHD Belfast City-SFO San Francisco

26h 30m1 stop Amsterdam Schiphol

$789Delta

Tue, Oct 13 - Thu, Nov 5

7:10 am - 4:55 pmSFO San Francisco-BHD Belfast City

25h 45m2 stops Los Angeles Amsterdam Schiphol

9:40 am - 11:45 amBHD Belfast City-SFO San Francisco

34h 05m1 stop Amsterdam Schiphol

$789Delta

Tue, Oct 13 - Mon, Nov 9

2:15 pm - 4:55 pmSFO San Francisco-BHD Belfast City

18h 40m2 stops Seattle/Tacoma Intl Amsterdam Schiphol

9:40 am - 11:45 amBHD Belfast City-SFO San Francisco

34h 05m1 stop Amsterdam Schiphol

$789Delta

Wed, Oct 14 - Thu, Nov 5

7:30 pm - 7:50 pmSFO San Francisco-BHD Belfast City

16h 20m1 stop London Heathrow

7:40 pm - 2:55 pmBHD Belfast City-SFO San Francisco

27h 15m1 stop London Heathrow

$853British Airways

Wed, Oct 14 - Mon, Nov 9

7:30 pm - 6:45 pmSFO San Francisco-BHD Belfast City

15h 15m1 stop London Heathrow

8:50 am - 2:55 pmBHD Belfast City-SFO San Francisco

14h 05m1 stop London Heathrow

$853British Airways

Wed, Oct 14 - Thu, Nov 5

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Delta flights from San Francisco to Northern Ireland

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

Delta

Oct 13

SFO1:45 pmSan Francisco

35h 35m

1 stop

BHD9:20 amBelfast City

Nov 9

BHD5:15 pmBelfast City

26h 30m

1 stop

SFO11:45 amSan Francisco

$784

Delta

Oct 13

SFO2:15 pmSan Francisco

18h 40m

2 stops

BHD4:55 pmBelfast City

Nov 5

BHD5:15 pmBelfast City

26h 30m

1 stop

SFO11:45 amSan Francisco

$789

Delta

Oct 14

SFO9:54 amSan Francisco

23h 01m

2 stops

BHD4:55 pmBelfast City

Nov 6

BHD9:40 amBelfast City

20h 58m

2 stops

SFO10:38 pmSan Francisco

$798

British Airways flights from San Francisco to Northern Ireland

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

British Airways

Oct 14

SFO4:35 pmSan Francisco

15h 05m

1 stop

BHD3:40 pmBelfast City

Oct 27

BHD11:40 amBelfast City

35h 15m

1 stop

SFO3:55 pmSan Francisco

$853

British Airways

Oct 15

SFO7:30 pmSan Francisco

17h 05m

1 stop

BHD8:35 pmBelfast City

Nov 5

BHD6:30 amBelfast City

16h 25m

1 stop

SFO2:55 pmSan Francisco

$903

British Airways

Mar 22

SFO6:25 pmSan Francisco

16h 00m

1 stop

BHD5:25 pmBelfast City

Mar 27

BHD6:15 pmBelfast City

26h 35m

1 stop

SFO1:50 pmSan Francisco

$908

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

Tue 10/13

1:45 pm-9:20 am

1 stop35h 35m

Belfast City

Thu 11/5

5:15 pm-11:45 am

1 stop26h 30m

$784

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Tue 10/13

1:45 pm-9:20 am

1 stop35h 35m

Belfast City

Tue 10/27

5:15 pm-12:45 pm

1 stop26h 30m

$784

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Sun 11/15

1:50 pm-4:45 pm

1 stop18h 55m

Belfast City

Tue 11/24

5:15 pm-11:45 am

1 stop26h 30m

$784

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Tue 10/13

1:45 pm-9:20 am

1 stop35h 35m

Belfast City

Mon 11/9

5:15 pm-11:45 am

1 stop26h 30m

$784

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Wed 10/14

10:35 am-4:55 pm

2 stops22h 20m

Belfast City

Tue 10/27

5:15 pm-12:45 pm

1 stop26h 30m

$789

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Tue 10/13

2:15 pm-4:55 pm

2 stops18h 40m

Belfast City

Thu 11/5

5:15 pm-11:45 am

1 stop26h 30m

$789

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Tue 10/13

7:10 am-4:55 pm

2 stops25h 45m

Belfast City

Mon 11/9

9:40 am-11:45 am

1 stop34h 05m

$789

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Wed 10/14

2:15 pm-4:55 pm

2 stops18h 40m

Belfast City

Thu 11/5

9:40 am-11:45 am

1 stop34h 05m

$789

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Wed 10/14

7:30 pm-7:50 pm

1 stop16h 20m

Belfast City

Mon 11/9

7:40 pm-2:55 pm

1 stop27h 15m

$853

Quickest round-trip

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Wed 10/14

7:30 pm-6:45 pm

1 stop15h 15m

Belfast City

Thu 11/5

8:50 am-2:55 pm

1 stop14h 05m

$853

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 11% 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	$349
Fastest flight time	14h 40m
Direct flights	None

The best one-way flight to Northern Ireland from San Francisco in the past 72 hours is $349. The best round-trip flight deal from San Francisco to Northern Ireland found on momondo in the last 72 hours is $784.

The fastest flight from San Francisco to Northern Ireland takes 14h 40m

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 September 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 8,236 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.