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

British Airways is the most popular carrier 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 many operators does momondo search for flights from Northern Ireland to San Francisco Airport?

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

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.

£492 Cheap Flights from Northern Ireland to San Francisco in 2026

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Find the cheapest flights from Northern Ireland to San Francisco

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

19:30 - 13:50

BHD

SFO

26h 20m

1 stop

19:30 - 18:45

SFO

BHD

15h 15m

1 stop

£654British Airways

Tue, 28 Jul - Wed, 19 Aug

06:30 - 00:59

BHD

SFO

26h 29m

2 stops

09:46 - 15:40

SFO

BHD

21h 54m

2 stops

£657Multiple Airlines

Tue, 28 Jul - Wed, 19 Aug

06:30 - 13:50

BHD

SFO

15h 20m

1 stop

19:30 - 19:25

SFO

BHD

15h 55m

1 stop

£673American Airlines

Wed, 2 Sep - Thu, 24 Sep

20:25 - 13:50

BHD

SFO

25h 25m

1 stop

14:41 - 15:40

SFO

BHD

16h 59m

2 stops

£674British Airways

Tue, 28 Jul - Wed, 19 Aug

20:25 - 13:50

BHD

SFO

25h 25m

1 stop

16:21 - 18:10

SFO

BHD

17h 49m

2 stops

£675British Airways

Tue, 1 Sep - Fri, 25 Sep

19:10 - 13:50

BHD

SFO

26h 40m

1 stop

19:30 - 18:45

SFO

BHD

15h 15m

1 stop

£676British Airways

Sun, 26 Jul - Wed, 19 Aug

06:30 - 00:59

BHD

SFO

26h 29m

2 stops

13:43 - 15:20

SFO

BHD

17h 37m

2 stops

£677American Airlines

Mon, 27 Jul - Tue, 18 Aug

09:50 - 11:45

BHD

SFO

33h 55m

1 stop

13:00 - 16:55

SFO

BHD

19h 55m

2 stops

£678KLM

Mon, 31 Aug - Thu, 24 Sep

09:40 - 13:50

BHD

SFO

36h 10m

1 stop

11:15 - 13:35

SFO

BHD

18h 20m

2 stops

£681American Airlines

Tue, 1 Sep - Wed, 23 Sep

09:50 - 21:35

BHD

SFO

19h 45m

2 stops

13:00 - 16:55

SFO

BHD

19h 55m

2 stops

£682KLM

Wed, 2 Sep - Thu, 24 Sep

British Airways flights from Northern Ireland to San Francisco

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

British Airways

28 Jul

BHD19:30Belfast City

26h 20m

1 stop

SFO13:50San Francisco

19 Aug

SFO19:30San Francisco

15h 15m

1 stop

BHD18:45Belfast City

£654

British Airways

28 Jul

BHD20:25Belfast City

25h 25m

1 stop

SFO13:50San Francisco

19 Aug

SFO14:41San Francisco

16h 59m

2 stops

BHD15:40Belfast City

£674

British Airways

1 Sept

BHD20:25Belfast City

25h 25m

1 stop

SFO13:50San Francisco

25 Sept

SFO16:21San Francisco

17h 49m

2 stops

BHD18:10Belfast City

£675

American Airlines flights from Northern Ireland to San Francisco

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

American Airlines

2 Sept

BHD06:30Belfast City

15h 20m

1 stop

SFO13:50San Francisco

21 Sept

SFO19:30San Francisco

14h 00m

1 stop

BHD17:30Belfast City

£672

American Airlines

2 Sept

BHD06:30Belfast City

15h 20m

1 stop

SFO13:50San Francisco

24 Sept

SFO19:30San Francisco

15h 55m

1 stop

BHD19:25Belfast City

£673

American Airlines

27 Jul

BHD06:30Belfast City

26h 29m

2 stops

SFO00:59San Francisco

19 Aug

SFO14:41San Francisco

20h 04m

2 stops

BHD18:45Belfast City

£677

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 - SFO

BHDSFO

Belfast City

Tue 28/7

19:30-13:50

1 stop26h 20m

San Francisco

Wed 19/8

19:30-18:45

1 stop15h 15m

£654

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 28/7

06:30-00:59

2 stops26h 29m

San Francisco

Wed 19/8

09:46-15:40

2 stops21h 54m

£657

Fastest return journey

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 2/9

06:30-13:50

1 stop15h 20m

San Francisco

Thu 24/9

19:30-19:25

1 stop15h 55m

£673

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 28/7

20:25-13:50

1 stop25h 25m

San Francisco

Wed 19/8

14:41-15:40

2 stops16h 59m

£674

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 1/9

20:25-13:50

1 stop25h 25m

San Francisco

Fri 25/9

16:21-18:10

2 stops17h 49m

£675

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Sun 26/7

19:10-13:50

1 stop26h 40m

San Francisco

Wed 19/8

19:30-18:45

1 stop15h 15m

£676

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 27/7

06:30-00:59

2 stops26h 29m

San Francisco

Tue 18/8

13:43-15:20

2 stops17h 37m

£677

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 31/8

09:50-11:45

1 stop33h 55m

San Francisco

Thu 24/9

13:00-16:55

2 stops19h 55m

£678

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 1/9

09:40-13:50

1 stop36h 10m

San Francisco

Wed 23/9

11:15-13:35

2 stops18h 20m

£681

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 2/9

09:50-21:35

2 stops19h 45m

San Francisco

Thu 24/9

13:00-16:55

2 stops19h 55m

£682

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 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

What is the cheapest month to fly to San Francisco?

The month of November is, on average, the cheapest month to fly to San Francisco from Northern Ireland, with most prices found around £0. If you are unable to visit San Francisco during the month of November, then departing from Northern Ireland during the month January is also very affordable. Most momondo users find prices during this month for around £0.

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

Fastest flight time	16h 25m
Direct flights	None

The fastest flight from Northern Ireland to San Francisco takes 16h 25m

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 many operators does momondo search for flights from Northern Ireland to San Francisco Airport?
As of May 2026, there is 1 operator available to choose from for flights from Northern Ireland to San Francisco Airport.
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.

Best airlines flying from Northern Ireland to San Francisco

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

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £430	Free Cancellation	Rating 6.7 7,987 reviews		Search British Airways flights
American Airlines	PriceFrom £476	Free Cancellation	Rating 7.1 11,651 reviews		Search American Airlines flights

Sunnyvale

Santa Cruz

Rohnert Park

Seaside

Big Sur

Newark

South San Francisco

Capitola

Campbell

Palo Alto

Sausalito

San Bruno

Woodland

Roseville

Pacific Grove

Novato

Aptos

Burlingame

Mill Valley

Daly City

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.