What is the cheapest airline that flies from Northern Ireland to California?

Aer Lingus, British Airways, and KLM are the most popular carriers operating from Northern Ireland to California

When did momondo last update prices for flights from Northern Ireland to California?

Prices for flights from Northern Ireland to California are refreshed on a daily basis.

How many operators does momondo search for flights from Northern Ireland to California?

As of August 2026, there is 1 operator available to choose from for flights from Northern Ireland to California.

How old do you have to be to fly from Northern Ireland to California?

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 California.

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

The travel and health documents required for your trip to California 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 California. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£366 Cheap Flights from Northern Ireland to California in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Northern Ireland to California

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

08:45 - 21:05BHD Belfast City-LAX Los Angeles

20h 20m1 stop London Gatwick

14:00 - 20:30LAX Los Angeles-BHD Belfast City

22h 30m2 stops Seattle/Tacoma Intl London Heathrow

£552Multiple Airlines

Mon, 12 Oct - Fri, 23 Oct

08:45 - 21:05BHD Belfast City-LAX Los Angeles

20h 20m1 stop London Gatwick

15:50 - 20:30LAX Los Angeles-BHD Belfast City

20h 40m1 stop London Heathrow

£554Multiple Airlines

Mon, 12 Oct - Fri, 23 Oct

20:55 - 16:30BFS Belfast Intl-LAX Los Angeles

27h 35m2 stops London Gatwick Zurich

17:30 - 21:55LAX Los Angeles-BFS Belfast Intl

20h 25m2 stops Munich Franz Josef Strauss London Stansted

£584Multiple Airlines

Mon, 21 Sep - Sun, 27 Sep

15:40 - 01:16BFS Belfast Intl-SFO San Francisco

41h 36m2 stops London Luton Washington, D.C. Dulles Intl

14:45 - 20:30SFO San Francisco-BFS Belfast Intl

21h 45m2 stops Vancouver Intl London Heathrow

£585Multiple Airlines

Fri, 8 Jan - Tue, 12 Jan

19:25 - 14:50BFS Belfast Intl-SFO San Francisco

51h 25m2 stops London Stansted Munich Franz Josef Strauss

16:40 - 20:30SFO San Francisco-BFS Belfast Intl

19h 50m1 stop London Heathrow

£592Multiple Airlines

Fri, 8 Jan - Tue, 12 Jan

06:40 - 08:20BFS Belfast Intl-LAX Los Angeles

33h 40m2 stops London Stansted Casablanca Mohamed V

06:45 - 16:30LAX Los Angeles-BFS Belfast Intl

25h 45m3 stops Vancouver Intl Calgary Edinburgh Turnhouse

£603Multiple Airlines

Mon, 12 Oct - Fri, 23 Oct

09:35 - 18:25BHD Belfast City-LAX Los Angeles

16h 50m1 stop London Heathrow

21:00 - 20:35LAX Los Angeles-BHD Belfast City

15h 35m1 stop London Heathrow

£613British Airways

Thu, 1 Oct - Sun, 11 Oct

06:30 - 18:25BHD Belfast City-LAX Los Angeles

19h 55m1 stop London Heathrow

19:26 - 20:35LAX Los Angeles-BHD Belfast City

17h 09m2 stops Las Vegas Harry Reid Intl London Heathrow

£616British Airways

Thu, 1 Oct - Sun, 11 Oct

06:40 - 08:20BFS Belfast Intl-LAX Los Angeles

33h 40m2 stops London Stansted Casablanca Mohamed V

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

25h 00m2 stops Calgary Edinburgh Turnhouse

£616Multiple Airlines

Mon, 12 Oct - Fri, 23 Oct

09:40 - 20:15BHD Belfast City-LAX Los Angeles

18h 35m1 stop London Heathrow

15:50 - 14:35LAX Los Angeles-BHD Belfast City

14h 45m1 stop London Heathrow

£624American Airlines

Mon, 21 Sep - Sun, 27 Sep

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British Airways flights from Northern Ireland to California

Our best British Airways deals on Northern Ireland to California flight tickets

British Airways

1 Oct

BHD09:35Belfast City

16h 50m

1 stop

LAX18:25Los Angeles

11 Oct

LAX21:00Los Angeles

15h 35m

1 stop

BHD20:35Belfast City

£613

British Airways

1 Oct

BHD06:30Belfast City

19h 55m

1 stop

LAX18:25Los Angeles

11 Oct

LAX19:26Los Angeles

17h 09m

2 stops

BHD20:35Belfast City

£616

British Airways

8 Jan

BHD08:35Belfast City

14h 20m

1 stop

SFO14:55San Francisco

12 Jan

SFO20:35San Francisco

14h 05m

1 stop

BHD18:40Belfast City

£653

Virgin Atlantic flights from Northern Ireland to California

Our best Virgin Atlantic deals on Northern Ireland to California flight tickets

Virgin Atlantic

1 Oct

BHD09:50Belfast City

22h 34m

2 stops

LAX00:24Los Angeles

11 Oct

LAX06:00Los Angeles

19h 20m

2 stops

BHD09:20Belfast City

£648

Virgin Atlantic

7 Sept

BHD17:30Belfast City

26h 15m

1 stop

SFO11:45San Francisco

14 Sept

SFO13:45San Francisco

19h 10m

1 stop

BHD16:55Belfast City

£667

Virgin Atlantic

19 Sept

BHD17:30Belfast City

34h 06m

2 stops

SFO19:36San Francisco

26 Sept

SFO13:45San Francisco

19h 10m

1 stop

BHD16:55Belfast City

£671

momondo Fare Finder

Use the filters below to find and compare flights from Northern Ireland to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles

BHDLAX

Belfast City

Mon 12/10

08:45-21:05

1 stop20h 20m

Los Angeles

Fri 23/10

14:00-20:30

2 stops22h 30m

£552

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles

BHDLAX

Belfast City

Mon 12/10

08:45-21:05

1 stop20h 20m

Los Angeles

Fri 23/10

15:50-20:30

1 stop20h 40m

£554

BelfastLos Angeles

BFS Belfast Intl - LAX Los Angeles

BFSLAX

Belfast Intl

Mon 21/9

20:55-16:30

2 stops27h 35m

Los Angeles

Sun 27/9

17:30-21:55

2 stops20h 25m

£584

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Fri 8/1

15:40-01:16

2 stops41h 36m

San Francisco

Tue 12/1

14:45-20:30

2 stops21h 45m

£585

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Fri 8/1

19:25-14:50

2 stops51h 25m

San Francisco

Tue 12/1

16:40-20:30

1 stop19h 50m

£592

BelfastLos Angeles

BFS Belfast Intl - LAX Los Angeles

BFSLAX

Belfast Intl

Mon 12/10

06:40-08:20

2 stops33h 40m

Los Angeles

Fri 23/10

06:45-16:30

3 stops25h 45m

£603

Fastest return journey

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles

BHDLAX

Belfast City

Thu 1/10

09:35-18:25

1 stop16h 50m

Los Angeles

Sun 11/10

21:00-20:35

1 stop15h 35m

£613

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles

BHDLAX

Belfast City

Thu 1/10

06:30-18:25

1 stop19h 55m

Los Angeles

Sun 11/10

19:26-20:35

2 stops17h 09m

£616

BelfastLos Angeles

BFS Belfast Intl - LAX Los Angeles

BFSLAX

Belfast Intl

Mon 12/10

06:40-08:20

2 stops33h 40m

Los Angeles

Fri 23/10

07:30-16:30

2 stops25h 00m

£616

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles

BHDLAX

Belfast City

Mon 21/9

09:40-20:15

1 stop18h 35m

Los Angeles

Sun 27/9

15:50-14:35

1 stop14h 45m

£624

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Northern Ireland to California

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

Prices

Airlines

What is the cheapest month to fly to California?

If you are unable to visit California during the month of November, then departing from Northern Ireland during the month January is also very affordable. Most momondo users find prices during this month for around £0.

Can stopping save me money on Northern Ireland to California flights?

You could potentially save up to 29% on your flight if you consider stops on a Northern Ireland to California flight.

Cheap Northern Ireland to California flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to California

Best price found	£366
Fastest flight time	15h 40m
Direct flights	None

The best one-way flight to California from Northern Ireland in the past 72 hours is £366. The best return flight deal from Northern Ireland to California found on momondo in the last 72 hours is £552.

The fastest flight from Northern Ireland to California takes 15h 40m

There are no direct flights from Northern Ireland to California. There are no popular flight routes from Northern Ireland to California.

Search flight deals

Frequently asked questions about flying from Northern Ireland to California

When did momondo last update prices for flights from Northern Ireland to California?
Prices for flights from Northern Ireland to California are refreshed on a daily basis.
How many operators does momondo search for flights from Northern Ireland to California?
As of August 2026, there is 1 operator available to choose from for flights from Northern Ireland to California.
How old do you have to be to fly from Northern Ireland to California?
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 California.
What documentation or ID do you need to fly to California?
The travel and health documents required for your trip to California 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 California. 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 California

Compare and see reviews for airlines that fly from Northern Ireland to California with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £444	Free Cancellation	Rating 6.7 8,186 reviews		Search British Airways flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Northern Ireland to California for you.

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

Yes. momondo enables you to select and highlight flights to California from Northern Ireland with this policy.

How can momondo help me find flights from Northern Ireland to California?

momondo provides multiple filters to help you find the best flight to California 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 California right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Northern Ireland to California flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.