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

Aer Lingus and Virgin Atlantic are the most popular carriers operating from Northern Ireland to San Francisco

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

Prices for flights from Northern Ireland to San Francisco Airport refresh daily.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Northern Ireland to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

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

£375 Cheap Flights from Northern Ireland to San Francisco in 2026/27

Find the cheapest flights from Northern Ireland to San Francisco

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

08:50 - 18:45BHD Belfast City-SFO San Francisco

17h 55m1 stop London Heathrow

17:25 - 16:45SFO San Francisco-BHD Belfast City

15h 20m1 stop London Heathrow

£535British Airways

Thu, 4 Mar - Tue, 9 Mar

08:50 - 14:55BHD Belfast City-SFO San Francisco

14h 05m1 stop London Heathrow

16:35 - 16:45SFO San Francisco-BHD Belfast City

16h 10m2 stops Phoenix Sky Harbor Intl London Heathrow

£538British Airways

Thu, 4 Mar - Tue, 9 Mar

06:35 - 14:55BHD Belfast City-SFO San Francisco

16h 20m1 stop London Heathrow

13:54 - 16:45SFO San Francisco-BHD Belfast City

18h 51m2 stops Chicago O'Hare Intl London Heathrow

£541British Airways

Mon, 23 Nov - Tue, 8 Dec

11:40 - 22:35BHD Belfast City-SFO San Francisco

18h 55m2 stops London Heathrow Dallas/Fort Worth

16:00 - 16:45SFO San Francisco-BHD Belfast City

16h 45m2 stops Phoenix Sky Harbor Intl London Heathrow

£544British Airways

Mon, 23 Nov - Tue, 8 Dec

11:40 - 22:35BHD Belfast City-SFO San Francisco

18h 55m2 stops London Heathrow Dallas/Fort Worth

16:03 - 16:45SFO San Francisco-BHD Belfast City

16h 42m2 stops Phoenix Sky Harbor Intl London Heathrow

£545British Airways

Mon, 23 Nov - Tue, 8 Dec

06:30 - 18:20BHD Belfast City-SFO San Francisco

19h 50m2 stops London Heathrow Chicago O'Hare Intl

11:49 - 14:50SFO San Francisco-BHD Belfast City

19h 01m2 stops Los Angeles London Heathrow

£555British Airways

Thu, 4 Mar - Tue, 9 Mar

06:30 - 18:45BHD Belfast City-SFO San Francisco

20h 15m1 stop London Heathrow

13:18 - 16:05SFO San Francisco-BHD Belfast City

18h 47m2 stops New York John F Kennedy Intl London Heathrow

£581British Airways

Thu, 21 Jan - Mon, 25 Jan

11:05 - 22:12BHD Belfast City-SFO San Francisco

19h 07m2 stops London Heathrow Los Angeles

07:50 - 10:50SFO San Francisco-BHD Belfast City

19h 00m2 stops Dallas/Fort Worth London Heathrow

£585British Airways

Thu, 21 Jan - Mon, 25 Jan

11:05 - 22:12BHD Belfast City-SFO San Francisco

19h 07m2 stops London Heathrow Los Angeles

07:50 - 10:50SFO San Francisco-BHD Belfast City

19h 00m2 stops Dallas/Fort Worth London Heathrow

£586British Airways

Thu, 21 Jan - Mon, 25 Jan

11:40 - 15:55BHD Belfast City-SFO San Francisco

35h 15m1 stop London Heathrow

20:35 - 18:35SFO San Francisco-BHD Belfast City

14h 00m1 stop London Heathrow

£593British Airways

Mon, 26 Oct - Mon, 2 Nov

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British Airways flights from Northern Ireland to San Francisco

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

British Airways

4 Mar

BHD08:50Belfast City

17h 55m

1 stop

SFO18:45San Francisco

9 Mar

SFO17:25San Francisco

15h 20m

1 stop

BHD16:45Belfast City

£535

British Airways

4 Mar

BHD08:50Belfast City

14h 05m

1 stop

SFO14:55San Francisco

9 Mar

SFO16:35San Francisco

16h 10m

2 stops

BHD16:45Belfast City

£538

British Airways

23 Nov

BHD06:35Belfast City

16h 20m

1 stop

SFO14:55San Francisco

8 Dec

SFO13:54San Francisco

18h 51m

2 stops

BHD16:45Belfast City

£541

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Thu 4/3

08:50-18:45

1 stop17h 55m

San Francisco

Tue 9/3

17:25-16:45

1 stop15h 20m

£535

Fastest return journey

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Thu 4/3

08:50-14:55

1 stop14h 05m

San Francisco

Tue 9/3

16:35-16:45

2 stops16h 10m

£538

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Mon 23/11

06:35-14:55

1 stop16h 20m

San Francisco

Tue 8/12

13:54-16:45

2 stops18h 51m

£541

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Mon 23/11

11:40-22:35

2 stops18h 55m

San Francisco

Tue 8/12

16:00-16:45

2 stops16h 45m

£544

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Mon 23/11

11:40-22:35

2 stops18h 55m

San Francisco

Tue 8/12

16:03-16:45

2 stops16h 42m

£545

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Thu 4/3

06:30-18:20

2 stops19h 50m

San Francisco

Tue 9/3

11:49-14:50

2 stops19h 01m

£555

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Thu 21/1

06:30-18:45

1 stop20h 15m

San Francisco

Mon 25/1

13:18-16:05

2 stops18h 47m

£581

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Thu 21/1

11:05-22:12

2 stops19h 07m

San Francisco

Mon 25/1

07:50-10:50

2 stops19h 00m

£585

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Thu 21/1

11:05-22:12

2 stops19h 07m

San Francisco

Mon 25/1

07:50-10:50

2 stops19h 00m

£586

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Mon 26/10

11:40-15:55

1 stop35h 15m

San Francisco

Mon 2/11

20:35-18:35

1 stop14h 00m

£593

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 Northern Ireland to San Francisco

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 Northern Ireland to San Francisco flights?

You could potentially save up to 22% on your flight if you consider stops on a Northern Ireland to San Francisco flight.

Cheap Northern Ireland to San Francisco flight deals and tips

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

Best price found	£375
Fastest flight time	15h 40m
Direct flights	None

The best one-way flight to San Francisco from Northern Ireland in the past 72 hours is £375. The best return flight deal from Northern Ireland to San Francisco found on momondo in the last 72 hours is £535.

The fastest flight from Northern Ireland to San Francisco takes 15h 40m

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

Search flight deals

Frequently asked questions about flying from Northern Ireland to San Francisco

When did momondo last update prices for flights from Northern Ireland to San Francisco Airport?
Prices for flights from Northern Ireland to San Francisco Airport refresh daily.
How old do you have to be to fly from Northern Ireland to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Northern Ireland to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents required for your trip to San Francisco Airport 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 San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

South San Francisco

Santa Cruz

Sunnyvale

Calistoga

Carmel-by-the-Sea

Rohnert Park

Windsor

Burlingame

Belmont

Big Sur

Sausalito

San Bruno

Pacific Grove

Aptos

Mill Valley

Newark

Palo Alto

Campbell

Seaside

Roseville

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Northern Ireland to San Francisco . Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Northern Ireland to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to San Francisco from Northern Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Northern Ireland to San Francisco now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Francisco and let you know when they change.