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 December 2025, there are 2 operators 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.

£464 Cheap Flights from Northern Ireland to San Francisco in 2025/26

1 adult

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Find the cheapest flights from Northern Ireland to San Francisco

Round-trip

Cheap return flights

Enter your travel dates to find the best prices.

07:25 - 00:41

BHD

SFO

25h 16m2 stops

13:47 - 19:20

SFO

BHD

21h 33m2 stops

£464Multiple Airlines

Thu, 12 Feb - Wed, 25 Feb

07:25 - 18:45

BHD

SFO

19h 20m1 stop

13:47 - 19:20

SFO

BHD

21h 33m2 stops

£466Multiple Airlines

Thu, 12 Feb - Wed, 25 Feb

06:00 - 17:00

BFS

SFO

19h 00m1 stop

12:50 - 15:55

SFO

BFS

19h 05m1 stop

£472Multiple Airlines

Thu, 12 Feb - Wed, 25 Feb

07:25 - 18:45

BHD

SFO

19h 20m1 stop

17:30 - 19:20

SFO

BHD

17h 50m1 stop

£475Multiple Airlines

Thu, 12 Feb - Wed, 25 Feb

12:25 - 19:45

BHD

SFO

14h 20m1 stop

06:00 - 16:50

SFO

BHD

27h 50m2 stops

£510British Airways

Wed, 18 Mar - Sun, 22 Mar

06:35 - 16:00

BHD

SFO

16h 25m1 stop

10:41 - 10:10

SFO

BHD

15h 29m2 stops

£510British Airways

Wed, 25 Mar - Sat, 18 Apr

11:25 - 00:48

BHD

SFO

20h 23m2 stops

16:35 - 16:50

SFO

BHD

17h 15m2 stops

£513British Airways

Wed, 18 Mar - Sun, 22 Mar

11:30 - 19:45

BHD

SFO

15h 15m1 stop

13:24 - 15:05

SFO

BHD

17h 41m2 stops

£514American Airlines

Mon, 23 Mar - Sat, 18 Apr

15:40 - 19:45

BHD

SFO

35h 05m1 stop

21:40 - 20:15

SFO

BHD

15h 35m1 stop

£515British Airways

Wed, 18 Mar - Sun, 22 Mar

06:35 - 00:52

BHD

SFO

25h 17m2 stops

10:41 - 12:15

SFO

BHD

17h 34m2 stops

£519American Airlines

Mon, 23 Mar - Sat, 18 Apr

British Airways flights from Northern Ireland to San Francisco

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

British Airways

18 Mar

BHD12:25Belfast City

14h 20m

1 stop

SFO19:45San Francisco

22 Mar

SFO06:00San Francisco

27h 50m

2 stops

BHD16:50Belfast City

£510

Find similar

British Airways

25 Mar

BHD06:35Belfast City

16h 25m

1 stop

SFO16:00San Francisco

18 Apr

SFO10:41San Francisco

15h 29m

2 stops

BHD10:10Belfast City

£510

Find similar

British Airways

18 Mar

BHD11:25Belfast City

20h 23m

2 stops

SFO00:48San Francisco

22 Mar

SFO16:35San Francisco

17h 15m

2 stops

BHD16:50Belfast City

£513

Find similar

American Airlines flights from Northern Ireland to San Francisco

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

American Airlines

23 Mar

BHD11:30Belfast City

15h 15m

1 stop

SFO19:45San Francisco

18 Apr

SFO13:24San Francisco

17h 41m

2 stops

BHD15:05Belfast City

£514

Find similar

American Airlines

23 Mar

BHD06:35Belfast City

25h 17m

2 stops

SFO00:52San Francisco

18 Apr

SFO10:41San Francisco

17h 34m

2 stops

BHD12:15Belfast City

£519

Find similar

American Airlines

26 Mar

BHD15:05Belfast City

35h 40m

1 stop

SFO19:45San Francisco

18 Apr

SFO14:28San Francisco

16h 37m

2 stops

BHD15:05Belfast City

£592

Find similar

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

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 12/2

07:25-00:41

2 stops25h 16m

San Francisco

Wed 25/2

13:47-19:20

2 stops21h 33m

£464

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 12/2

07:25-18:45

1 stop19h 20m

San Francisco

Wed 25/2

13:47-19:20

2 stops21h 33m

£466

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Thu 12/2

06:00-17:00

1 stop19h 00m

San Francisco

Wed 25/2

12:50-15:55

1 stop19h 05m

£472

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 12/2

07:25-18:45

1 stop19h 20m

San Francisco

Wed 25/2

17:30-19:20

1 stop17h 50m

£475

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 18/3

12:25-19:45

1 stop14h 20m

San Francisco

Sun 22/3

06:00-16:50

2 stops27h 50m

£510

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 25/3

06:35-16:00

1 stop16h 25m

San Francisco

Sat 18/4

10:41-10:10

2 stops15h 29m

£510

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 18/3

11:25-00:48

2 stops20h 23m

San Francisco

Sun 22/3

16:35-16:50

2 stops17h 15m

£513

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 23/3

11:30-19:45

1 stop15h 15m

San Francisco

Sat 18/4

13:24-15:05

2 stops17h 41m

£514

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 18/3

15:40-19:45

1 stop35h 05m

San Francisco

Sun 22/3

21:40-20:15

1 stop15h 35m

£515

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 23/3

06:35-00:52

2 stops25h 17m

San Francisco

Sat 18/4

10:41-12:15

2 stops17h 34m

£519

Flights are sorted by cheapest return flights first.

Sorted 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

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart on your flight to San Francisco is on a Thursday when prices can be found for as low as £492. This is often the case because there is less demand to fly during this day of the week. Flights from Northern Ireland to San Francisco on a Tuesday will generally be more expensive and average around £725. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to San Francisco?

Our most recent data shows that the best time of day to fly to San Francisco is in the afternoon. Flights from Northern Ireland to San Francisco during this time can be as low as £562. Try not to purchase tickets in the morning because they tend to be around £595. Of course, these prices can vary depending on the time of year and what airport you fly to.

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	14h 20m
Direct flights	None

The fastest flight from Northern Ireland to San Francisco takes 14h 20m

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

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 December 2025, there are 2 operators 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 £398	Free Cancellation	Rating 6.7 7,602 reviews		Search British Airways flights
American Airlines	PriceFrom £474	Free Cancellation	Rating 7.2 11,053 reviews		Search American Airlines flights

Santa Clara

Carmel-by-the-Sea

Seaside

Sunnyvale

Big Sur

Rohnert Park

Campbell

Palo Alto

Santa Cruz

South San Francisco

Capitola

Novato

Sausalito

San Bruno

Woodland

Aptos

Redwood City

Pacific Grove

Burlingame

Modesto

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.