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

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

How can I save money on flights from Belfast Intl Airport to California 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 show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

How many operators does momondo search for flights from Belfast Intl Airport to California?

There is 1 operator available for flights from Belfast Intl Airport to California as of September 2026.

How old do you have to be to fly from Belfast Intl Airport to California?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast Intl Airport to California.

What documentation or ID do you need to fly to California?

The necessary travel and health documents for your California trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£314 Cheap Flights from Belfast Intl Airport to California in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Belfast Intl Airport to California

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

15:55 - 14:50BFS Belfast Intl-SFO San Francisco

30h 55m2 stops Birmingham Kastrup Copenhagen

16:45 - 22:10SFO San Francisco-BFS Belfast Intl

21h 25m2 stops Kastrup Copenhagen Birmingham

£481Multiple Airlines

Tue, 3 Nov - Tue, 10 Nov

14:30 - 16:30BFS Belfast Intl-SFO San Francisco

34h 00m2 stops London Gatwick Zurich

19:25 - 21:55SFO San Francisco-BFS Belfast Intl

18h 30m2 stops Zurich London Gatwick

£484Multiple Airlines

Thu, 5 Nov - Thu, 12 Nov

14:30 - 16:35BFS Belfast Intl-LAX Los Angeles Los Angeles

34h 05m2 stops London Gatwick Zurich

19:30 - 21:25LAX Los Angeles Los Angeles-BFS Belfast Intl

17h 55m2 stops Zurich London Gatwick

£491Multiple Airlines

Thu, 12 Nov - Sun, 15 Nov

14:35 - 14:50BFS Belfast Intl-SFO San Francisco

32h 15m2 stops Birmingham Kastrup Copenhagen

16:45 - 22:20SFO San Francisco-BFS Belfast Intl

21h 35m2 stops Kastrup Copenhagen Birmingham

£502Multiple Airlines

Mon, 2 Nov - Mon, 9 Nov

10:55 - 13:00BFS Belfast Intl-LAX Los Angeles Los Angeles

34h 05m2 stops London Gatwick Paris Charles de Gaulle

15:20 - 22:00LAX Los Angeles Los Angeles-BFS Belfast Intl

22h 40m2 stops Paris Charles de Gaulle London Gatwick

£549Multiple Airlines

Wed, 4 Nov - Wed, 11 Nov

15:55 - 17:00BFS Belfast Intl-LAX Los Angeles Los Angeles

33h 05m2 stops Birmingham Kastrup Copenhagen

19:30 - 22:10LAX Los Angeles Los Angeles-BFS Belfast Intl

18h 40m2 stops Kastrup Copenhagen Birmingham

£567Multiple Airlines

Tue, 3 Nov - Tue, 10 Nov

10:15 - 13:10BFS Belfast Intl-LAS Las Vegas Harry Reid Intl

34h 55m2 stops London Gatwick Paris Charles de Gaulle

15:25 - 21:15LAS Las Vegas Harry Reid Intl-BFS Belfast Intl

21h 50m2 stops Paris Charles de Gaulle London Gatwick

£608Multiple Airlines

Thu, 5 Nov - Mon, 9 Nov

06:30 - 07:20BFS Belfast Intl-LAX Los Angeles Los Angeles

32h 50m2 stops London Gatwick Casablanca Mohamed V

09:20 - 20:35LAX Los Angeles Los Angeles-BFS Belfast Intl

27h 15m3 stops Casablanca Mohamed V Milan Malpensa London Stansted

£634Multiple Airlines

Thu, 12 Nov - Sun, 15 Nov

14:40 - 16:15BFS Belfast Intl-SFO San Francisco

33h 35m2 stops London Gatwick Zurich

20:25 - 21:25SFO San Francisco-BFS Belfast Intl

18h 00m2 stops Zurich London Gatwick

£640Multiple Airlines

Sun, 18 Oct - Sun, 25 Oct

10:15 - 07:20BFS Belfast Intl-LAX Los Angeles Los Angeles

29h 05m2 stops London Gatwick Casablanca Mohamed V

08:30 - 20:10LAX Los Angeles Los Angeles-BFS Belfast Intl

27h 40m3 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas London Stansted

£642Multiple Airlines

Mon, 9 Nov - Mon, 30 Nov

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momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Tue 3/11

15:55-14:50

2 stops30h 55m

San Francisco

Tue 10/11

16:45-22:10

2 stops21h 25m

£481

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Thu 5/11

14:30-16:30

2 stops34h 00m

San Francisco

Thu 12/11

19:25-21:55

2 stops18h 30m

£484

BelfastLos Angeles

BFS Belfast Intl - LAX Los Angeles Los Angeles

BFSLAX

Belfast Intl

Thu 12/11

14:30-16:35

2 stops34h 05m

Los Angeles Los Angeles

Sun 15/11

19:30-21:25

2 stops17h 55m

£491

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Mon 2/11

14:35-14:50

2 stops32h 15m

San Francisco

Mon 9/11

16:45-22:20

2 stops21h 35m

£502

BelfastLos Angeles

BFS Belfast Intl - LAX Los Angeles Los Angeles

BFSLAX

Belfast Intl

Wed 4/11

10:55-13:00

2 stops34h 05m

Los Angeles Los Angeles

Wed 11/11

15:20-22:00

2 stops22h 40m

£549

BelfastLos Angeles

BFS Belfast Intl - LAX Los Angeles Los Angeles

BFSLAX

Belfast Intl

Tue 3/11

15:55-17:00

2 stops33h 05m

Los Angeles Los Angeles

Tue 10/11

19:30-22:10

2 stops18h 40m

£567

BelfastLas Vegas

BFS Belfast Intl - LAS Las Vegas Harry Reid Intl

BFSLAS

Belfast Intl

Thu 5/11

10:15-13:10

2 stops34h 55m

Las Vegas Harry Reid Intl

Mon 9/11

15:25-21:15

2 stops21h 50m

£608

BelfastLos Angeles

BFS Belfast Intl - LAX Los Angeles Los Angeles

BFSLAX

Belfast Intl

Thu 12/11

06:30-07:20

2 stops32h 50m

Los Angeles Los Angeles

Sun 15/11

09:20-20:35

3 stops27h 15m

£634

Fastest return journey

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Sun 18/10

14:40-16:15

2 stops33h 35m

San Francisco

Sun 25/10

20:25-21:25

2 stops18h 00m

£640

BelfastLos Angeles

BFS Belfast Intl - LAX Los Angeles Los Angeles

BFSLAX

Belfast Intl

Mon 9/11

10:15-07:20

2 stops29h 05m

Los Angeles Los Angeles

Mon 30/11

08:30-20:10

3 stops27h 40m

£642

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

Cheap Belfast Intl Airport to California flight deals and tips

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

Best price found	£314
Fastest flight time	14h 55m
Direct flights	None

The best one-way flight to California from Belfast Intl Airport in the past 72 hours is £314. The best return flight deal from Belfast Intl Airport to California found on momondo in the last 72 hours is £481.

The fastest flight from Belfast Intl Airport to California takes 14h 55m

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

Search flight deals

Frequently asked questions about flying from Belfast Intl Airport to California

When did momondo last update prices for flights from Belfast Intl Airport to California?
Prices for flights from Belfast Intl Airport to California refresh daily.
How many operators does momondo search for flights from Belfast Intl Airport to California?
There is 1 operator available for flights from Belfast Intl Airport to California as of September 2026.
How old do you have to be to fly from Belfast Intl Airport to California?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast Intl Airport to California.
What documentation or ID do you need to fly to California?
The necessary travel and health documents for your California trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Belfast Intl Airport to California

Compare and see reviews for airlines that fly from Belfast Intl Airport to California with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £453	Free Cancellation	Rating 6.7 8,228 reviews		Search British Airways flights

Frequently asked questions about flying from Belfast Intl Airport to California

How do I get Price Alerts for flights from Belfast Intl Airport to California?
Search flight deals from Belfast Intl Airport to California. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Belfast Intl Airport to California 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 show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Belfast to California. momondo saves you time and could save you money on your trip.

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

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

How can momondo help me find flights from Belfast to California?

Once all potential Belfast to California flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to California from Belfast. 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.