How do I get Price Alerts for flights from Belfast to San Francisco?

Search flight deals from Belfast to San Francisco . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from Belfast to San Francisco with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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

Prices for flights from Belfast to San Francisco Airport are refreshed on a daily basis.

How old do you have to be to fly from Belfast 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 Belfast 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.

£687 Cheap Flights from Belfast to San Francisco in 2026/27

Find the cheapest flights from Belfast to San Francisco

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

10:15 - 12:55BHD Belfast City-SFO San Francisco

34h 40m2 stops London Gatwick Paris Charles de Gaulle

15:10 - 20:30SFO San Francisco-BHD Belfast City

21h 20m2 stops Paris Charles de Gaulle London Gatwick

£687Multiple Airlines

Tue, 1 Dec - Tue, 8 Dec

17:15 - 11:45BHD Belfast City-SFO San Francisco

26h 30m1 stop Amsterdam Schiphol

12:17 - 16:45SFO San Francisco-BHD Belfast City

20h 28m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

£690KLM

Mon, 23 Nov - Mon, 14 Dec

20:00 - 14:55BHD Belfast City-SFO San Francisco

26h 55m1 stop London Heathrow

12:00 - 12:45SFO San Francisco-BHD Belfast City

16h 45m2 stops Los Angeles London Heathrow

£691British Airways

Thu, 3 Dec - Thu, 10 Dec

20:00 - 14:55BHD Belfast City-SFO San Francisco

26h 55m1 stop London Heathrow

17:25 - 16:55SFO San Francisco-BHD Belfast City

15h 30m1 stop London Heathrow

£691British Airways

Thu, 3 Dec - Thu, 10 Dec

17:15 - 11:45BHD Belfast City-SFO San Francisco

26h 30m1 stop Amsterdam Schiphol

07:00 - 09:10SFO San Francisco-BHD Belfast City

18h 10m2 stops New York John F Kennedy Intl Amsterdam Schiphol

£692KLM

Tue, 1 Dec - Tue, 8 Dec

08:35 - 20:00BHD Belfast City-SFO San Francisco

19h 25m2 stops London Heathrow Chicago O'Hare Intl

08:55 - 10:50SFO San Francisco-BHD Belfast City

17h 55m2 stops Dallas/Fort Worth London Heathrow

£693Multiple Airlines

Mon, 23 Nov - Mon, 14 Dec

17:15 - 11:45BHD Belfast City-SFO San Francisco

26h 30m1 stop Amsterdam Schiphol

13:50 - 16:45SFO San Francisco-BHD Belfast City

18h 55m1 stop Amsterdam Schiphol

£703Delta

Tue, 1 Dec - Tue, 8 Dec

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

16h 20m1 stop London Heathrow

08:55 - 10:50SFO San Francisco-BHD Belfast City

17h 55m2 stops Dallas/Fort Worth London Heathrow

£704Multiple Airlines

Mon, 23 Nov - Mon, 14 Dec

17:15 - 11:45BHD Belfast City-SFO San Francisco

26h 30m1 stop Amsterdam Schiphol

09:10 - 16:45SFO San Francisco-BHD Belfast City

23h 35m2 stops New York John F Kennedy Intl Amsterdam Schiphol

£707Delta

Mon, 23 Nov - Mon, 14 Dec

17:15 - 15:35BHD Belfast City-SFO San Francisco

30h 20m2 stops Amsterdam Schiphol Los Angeles

06:00 - 16:45SFO San Francisco-BHD Belfast City

26h 45m2 stops Salt Lake City Amsterdam Schiphol

£708Virgin Atlantic

Mon, 23 Nov - Mon, 14 Dec

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KLM flights from Belfast to San Francisco

Our best KLM deals on Belfast to San Francisco flight tickets

KLM

23 Nov

BHD17:15Belfast City

26h 30m

1 stop

SFO11:45San Francisco

14 Dec

SFO12:17San Francisco

20h 28m

2 stops

BHD16:45Belfast City

£690

KLM

1 Dec

BHD17:15Belfast City

26h 30m

1 stop

SFO11:45San Francisco

8 Dec

SFO07:00San Francisco

18h 10m

2 stops

BHD09:10Belfast City

£692

British Airways flights from Belfast to San Francisco

Our best British Airways deals on Belfast to San Francisco flight tickets

British Airways

3 Dec

BHD20:00Belfast City

26h 55m

1 stop

SFO14:55San Francisco

10 Dec

SFO17:25San Francisco

15h 30m

1 stop

BHD16:55Belfast City

£691

British Airways

3 Dec

BHD06:30Belfast City

19h 33m

2 stops

SFO18:03San Francisco

10 Dec

SFO16:03San Francisco

16h 52m

2 stops

BHD16:55Belfast City

£712

British Airways

21 Jan

BHD11:05Belfast City

15h 40m

1 stop

SFO18:45San Francisco

25 Jan

SFO16:05San Francisco

18h 30m

2 stops

BHD18:35Belfast City

£730

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Tue 1/12

10:15-12:55

2 stops34h 40m

San Francisco

Tue 8/12

15:10-20:30

2 stops21h 20m

£687

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Mon 23/11

17:15-11:45

1 stop26h 30m

San Francisco

Mon 14/12

12:17-16:45

2 stops20h 28m

£690

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Thu 3/12

20:00-14:55

1 stop26h 55m

San Francisco

Thu 10/12

12:00-12:45

2 stops16h 45m

£691

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Thu 3/12

20:00-14:55

1 stop26h 55m

San Francisco

Thu 10/12

17:25-16:55

1 stop15h 30m

£691

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Tue 1/12

17:15-11:45

1 stop26h 30m

San Francisco

Tue 8/12

07:00-09:10

2 stops18h 10m

£692

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Mon 23/11

08:35-20:00

2 stops19h 25m

San Francisco

Mon 14/12

08:55-10:50

2 stops17h 55m

£693

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Tue 1/12

17:15-11:45

1 stop26h 30m

San Francisco

Tue 8/12

13:50-16:45

1 stop18h 55m

£703

Fastest return journey

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Mon 23/11

06:35-14:55

1 stop16h 20m

San Francisco

Mon 14/12

08:55-10:50

2 stops17h 55m

£704

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Mon 23/11

17:15-11:45

1 stop26h 30m

San Francisco

Mon 14/12

09:10-16:45

2 stops23h 35m

£707

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Mon 23/11

17:15-15:35

2 stops30h 20m

San Francisco

Mon 14/12

06:00-16:45

2 stops26h 45m

£708

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Belfast to San Francisco flight deals and tips

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

Best price found	£687
Fastest flight time	15h 40m
Direct flights	None

The best flight deal from Belfast to San Francisco found on momondo in the last 72 hours is £687

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

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

Search flight deals

Frequently asked questions about flying from Belfast to San Francisco

How far is Belfast to San Francisco by plane?
San Francisco is 5028.4 mi away from Belfast. A reasonable flight in good conditions will take 15h 40m.
When did momondo last update prices for flights from Belfast to San Francisco Airport?
Prices for flights from Belfast to San Francisco Airport are refreshed on a daily basis.
How old do you have to be to fly from Belfast 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 Belfast 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.

Frequently asked questions about flying from Belfast to San Francisco

How do I get Price Alerts for flights from Belfast to San Francisco?
Search flight deals from Belfast to San Francisco. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Belfast to San Francisco with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

South San Francisco

Carmel-by-the-Sea

Santa Cruz

Berkeley

Sunnyvale

Calistoga

Windsor

Big Sur

Burlingame

Belmont

Pacific Grove

Aptos

Mill Valley

Palo Alto

Campbell

Newark

San Mateo

Seaside

Roseville

Novato

Why use momondo?

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

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

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

All flight searches from Belfast to San Francisco on momondo can be filtered to show those which offer flexible booking policies.

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

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

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

Of course. momondo tracks the price of Belfast to San Francisco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.