How does KAYAK find such low prices on flights from California to Belfast Intl Airport?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Belfast Intl Airport.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Belfast Intl Airport?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast Intl Airport from California is likely to change within 7 days, so travellers know whether to wait or book now.

What is the Hacker Fare option on flights from California to Belfast Intl Airport?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Belfast Intl Airport with an airline and back to California with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Belfast Intl Airport?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belfast Intl Airport from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Cheap Flights from California to Belfast Intl Airport (BFS)

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Cheap Flights from California to Belfast Intl

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Recent return flight deals from California to Belfast Intl

Tue, 20 Oct - Tue, 3 Nov

13:00 - 23:20SFO San Francisco-BFS Belfast Intl

26h 20m3 stops Calgary Barcelona-El Prat London Luton

07:05 - 08:30BFS Belfast Intl-SFO San Francisco

33h 25m3 stops Paris Charles de Gaulle Calgary Vancouver Intl

£678Multiple Airlines

Tue, 20 Oct - Tue, 3 Nov

06:00 - 15:55SFO San Francisco-BFS Belfast Intl

25h 55m2 stops Calgary Barcelona-El Prat

07:05 - 08:30BFS Belfast Intl-SFO San Francisco

33h 25m3 stops Paris Charles de Gaulle Calgary Vancouver Intl

£709Multiple Airlines

Fri, 16 Oct - Mon, 26 Oct

10:20 - 14:25LAX Los Angeles-BFS Belfast Intl

20h 05m2 stops Casablanca Mohamed V Paris Charles de Gaulle

08:40 - 08:20BFS Belfast Intl-LAX Los Angeles

30h 40m2 stops Paris Charles de Gaulle Casablanca Mohamed V

£763Multiple Airlines

Sat, 24 Oct - Sat, 31 Oct

13:00 - 22:25SFO San Francisco-BFS Belfast Intl

25h 25m2 stops Calgary Paris Charles de Gaulle

23:00 - 16:35BFS Belfast Intl-SFO San Francisco

24h 35m2 stops Manchester Dublin

£769Multiple Airlines

Sun, 11 Oct - Wed, 14 Oct

08:30 - 18:25SFO San Francisco-BFS Belfast Intl

25h 55m2 stops Toronto Pearson Intl Edinburgh Turnhouse

11:30 - 14:30BFS Belfast Intl-SFO San Francisco

35h 00m2 stops Alicante Lisbon Humberto Delgado

£781Multiple Airlines

Sat, 24 Oct - Sat, 31 Oct

06:40 - 22:25SFO San Francisco-BFS Belfast Intl

31h 45m3 stops Vancouver Intl Calgary Paris Charles de Gaulle

23:00 - 16:35BFS Belfast Intl-SFO San Francisco

24h 35m2 stops Manchester Dublin

£789Multiple Airlines

Sun, 11 Oct - Wed, 14 Oct

08:10 - 18:25SFO San Francisco-BFS Belfast Intl

26h 15m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Edinburgh Turnhouse

11:30 - 14:30BFS Belfast Intl-SFO San Francisco

35h 00m2 stops Alicante Lisbon Humberto Delgado

£802Multiple Airlines

Fri, 16 Oct - Mon, 26 Oct

07:30 - 16:30LAX Los Angeles-BFS Belfast Intl

25h 00m3 stops Calgary Toronto Pearson Intl Edinburgh Turnhouse

06:45 - 19:40BFS Belfast Intl-LAX Los Angeles

19h 55m2 stops Birmingham Dublin

£811Multiple Airlines

Fri, 16 Oct - Mon, 26 Oct

19:50 - 12:25LAX Los Angeles-BFS Belfast Intl

32h 35m1 stop Barcelona-El Prat

08:55 - 19:40BFS Belfast Intl-LAX Los Angeles

17h 45m2 stops Southampton Eastleigh Dublin

£862Multiple Airlines

Mon, 5 Oct - Mon, 19 Oct

08:10 - 14:20SFO San Francisco-BFS Belfast Intl

22h 10m3 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat London Luton

21:35 - 20:47BFS Belfast Intl-SFO San Francisco

31h 12m3 stops Glasgow Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

£870Multiple Airlines

Useful Info

Cheapest flight	£276

Flight from Los Angeles to Belfast Intl Airport

How does KAYAK find such low prices on flights from California to Belfast Intl Airport?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Belfast Intl Airport.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Belfast Intl Airport?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast Intl Airport from California is likely to change within 7 days, so travellers know whether to wait or book now.
What is the Hacker Fare option on flights from California to Belfast Intl Airport?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Belfast Intl Airport with an airline and back to California with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Belfast Intl Airport?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belfast Intl Airport from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.