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

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

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

By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

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 San Francisco Airport to Belfast Intl Airport?

Prices for flights from San Francisco Airport to Belfast Intl Airport refresh daily.

How old do you have to be to fly from San Francisco Airport to Belfast Intl 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 San Francisco Airport to Belfast Intl Airport.

What documentation or ID do you need to fly to Belfast Intl Airport?

The travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£285 Cheap Flights from San Francisco to Belfast Intl Airport in 2026

Find the cheapest flights from San Francisco to Belfast

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

13:00 - 22:50SFO San Francisco-BFS Belfast Intl

25h 50m2 stops Calgary Paris Charles de Gaulle

23:00 - 15:45BFS Belfast Intl-SFO San Francisco

47h 45m3 stops Manchester Barcelona-El Prat Lisbon Humberto Delgado

£683Multiple Airlines

Thu, 15 Oct - Sat, 31 Oct

08:30 - 15:15SFO San Francisco-BFS Belfast Intl

22h 45m2 stops Toronto Pearson Intl Manchester

07:35 - 14:35BFS Belfast Intl-SFO San Francisco

39h 00m3 stops Manchester Madrid Barajas Lisbon Humberto Delgado

£722Multiple Airlines

Tue, 8 Sep - Tue, 15 Sep

20:30 - 10:40SFO San Francisco-BFS Belfast Intl

30h 10m1 stop Paris Orly

08:50 - 16:15BFS Belfast Intl-SFO San Francisco

39h 25m2 stops London Stansted Zurich

£723Multiple Airlines

Mon, 21 Sep - Tue, 6 Oct

17:20 - 21:40SFO San Francisco-BFS Belfast Intl

20h 20m2 stops Dublin Manchester

06:30 - 16:05BFS Belfast Intl-SFO San Francisco

41h 35m3 stops London Stansted Madrid Barajas Lisbon Humberto Delgado

£734Multiple Airlines

Sun, 15 Nov - Thu, 19 Nov

13:00 - 22:50SFO San Francisco-BFS Belfast Intl

25h 50m2 stops Calgary Paris Charles de Gaulle

06:00 - 21:33BFS Belfast Intl-SFO San Francisco

22h 33m2 stops London Stansted Montreal Pierre Elliott Trudeau Intl

£736Multiple Airlines

Thu, 15 Oct - Sat, 31 Oct

06:30 - 21:40SFO San Francisco-BFS Belfast Intl

31h 10m3 stops Vancouver Intl Toronto Pearson Intl Manchester

06:30 - 16:05BFS Belfast Intl-SFO San Francisco

41h 35m3 stops London Stansted Madrid Barajas Lisbon Humberto Delgado

£741Multiple Airlines

Sun, 15 Nov - Thu, 19 Nov

20:30 - 22:50SFO San Francisco-BFS Belfast Intl

18h 20m1 stop Paris Orly

07:00 - 12:10BFS Belfast Intl-SFO San Francisco

36h 10m2 stops Paris Charles de Gaulle Calgary

£752Multiple Airlines

Thu, 15 Oct - Sat, 31 Oct

16:45 - 23:50SFO San Francisco-BFS Belfast Intl

23h 05m2 stops Kastrup Copenhagen Malaga

14:50 - 14:40BFS Belfast Intl-SFO San Francisco

31h 50m2 stops Malaga Kastrup Copenhagen

£802Multiple Airlines

Tue, 8 Sep - Tue, 15 Sep

17:45 - 23:20SFO San Francisco-BFS Belfast Intl

21h 35m1 stop London Heathrow

14:45 - 20:50BFS Belfast Intl-SFO San Francisco

38h 05m1 stop Paris Charles de Gaulle

£804Multiple Airlines

Mon, 21 Sep - Tue, 6 Oct

20:10 - 19:05SFO San Francisco-BFS Belfast Intl

14h 55m1 stop Paris Charles de Gaulle

20:15 - 18:41BFS Belfast Intl-SFO San Francisco

30h 26m3 stops London Stansted Zurich Vancouver Intl

£805Multiple Airlines

Mon, 21 Sep - Tue, 6 Oct

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

momondo Fare Finder

Use the filters below to find and compare flights from San Francisco to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Thu 15/10

13:00-22:50

2 stops25h 50m

Belfast Intl

Sat 31/10

23:00-15:45

3 stops47h 45m

£683

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Tue 8/9

08:30-15:15

2 stops22h 45m

Belfast Intl

Tue 15/9

07:35-14:35

3 stops39h 00m

£722

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Mon 21/9

20:30-10:40

1 stop30h 10m

Belfast Intl

Tue 6/10

08:50-16:15

2 stops39h 25m

£723

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Sun 15/11

17:20-21:40

2 stops20h 20m

Belfast Intl

Thu 19/11

06:30-16:05

3 stops41h 35m

£734

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Thu 15/10

13:00-22:50

2 stops25h 50m

Belfast Intl

Sat 31/10

06:00-21:33

2 stops22h 33m

£736

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Sun 15/11

06:30-21:40

3 stops31h 10m

Belfast Intl

Thu 19/11

06:30-16:05

3 stops41h 35m

£741

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Thu 15/10

20:30-22:50

1 stop18h 20m

Belfast Intl

Sat 31/10

07:00-12:10

2 stops36h 10m

£752

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Tue 8/9

16:45-23:50

2 stops23h 05m

Belfast Intl

Tue 15/9

14:50-14:40

2 stops31h 50m

£802

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Mon 21/9

17:45-23:20

1 stop21h 35m

Belfast Intl

Tue 6/10

14:45-20:50

1 stop38h 05m

£804

Fastest return journey

San FranciscoBelfast

SFO San Francisco - BFS Belfast Intl

SFOBFS

San Francisco

Mon 21/9

20:10-19:05

1 stop14h 55m

Belfast Intl

Tue 6/10

20:15-18:41

3 stops30h 26m

£805

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

When to book flights from San Francisco to Belfast Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Belfast Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap San Francisco to Belfast Intl Airport (SFO to BFS) flight deals and tips

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

Fastest flight time	15h 05m
Direct flights	None

The fastest flight from San Francisco to Belfast Intl Airport takes 15h 05m

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

Search flight deals

Frequently asked questions about flying from San Francisco to Belfast Intl Airport

How far is San Francisco to Belfast Intl by plane?
Belfast Intl is 5017.1 mi away from San Francisco. Flights usually cover this in 15h 05m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from San Francisco Airport to Belfast Intl Airport?
Prices for flights from San Francisco Airport to Belfast Intl Airport refresh daily.
How old do you have to be to fly from San Francisco Airport to Belfast Intl 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 San Francisco Airport to Belfast Intl Airport.
What documentation or ID do you need to fly to Belfast Intl Airport?
The travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from San Francisco to Belfast Intl Airport

How do I get Price Alerts for flights from San Francisco to Belfast Intl Airport?
Search flight deals from San Francisco to Belfast Intl Airport. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from San Francisco to Belfast Intl Airport with momondo?
By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
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.

Ballymena

Newry

Armagh

Cookstown

Portadown

Dungannon

Why use momondo?

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

It is quick and easy to find San Francisco to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.

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

momondo does allow users to show only those flights to Belfast from San Francisco which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Francisco to Belfast.

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

Yes momondo offers price alerts on flights to Belfast from San Francisco. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.