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

British Airways is the most popular carrier 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 updated daily.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Northern Ireland to California.

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

The travel and health documents you'll need for your trip to California 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 California. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$468 Cheap Flights from Northern Ireland to California in 2026

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Find the cheapest flights from Northern Ireland to California

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:35 am - 8:20 pm

BFS

LAX

21h 45m

1 stop

6:00 am - 11:10 pm

LAX

BFS

33h 10m

2 stops

$812Multiple Airlines

Thu, May 21 - Mon, May 25

9:45 am - 11:50 am

BHD

LAX

34h 05m

1 stop

4:45 pm - 9:20 am

LAX

BHD

32h 35m

1 stop

$890KLM

Sun, Sep 6 - Wed, Sep 23

5:30 pm - 11:50 am

BHD

LAX

26h 20m

1 stop

5:05 pm - 4:55 pm

LAX

BHD

15h 50m

2 stops

$895KLM

Sun, Sep 6 - Wed, Sep 23

6:30 am - 8:15 pm

BHD

LAX

21h 45m

1 stop

4:30 pm - 3:20 pm

LAX

BHD

14h 50m

1 stop

$903American Airlines

Mon, May 25 - Tue, Jun 2

10:05 am - 10:58 pm

BHD

ONT

20h 53m

2 stops

11:59 pm - 6:45 pm

ONT

BHD

34h 46m

2 stops

$910British Airways

Wed, Sep 2 - Sun, Sep 6

6:35 am - 5:45 pm

BFS

LAX

19h 10m

1 stop

8:35 pm - 11:10 pm

LAX

BFS

18h 35m

1 stop

$913Multiple Airlines

Thu, May 21 - Mon, May 25

6:30 am - 1:50 pm

BHD

SFO

15h 20m

1 stop

4:35 pm - 3:30 pm

SFO

BHD

14h 55m

1 stop

$926British Airways

Mon, Jul 27 - Mon, Aug 24

12:45 pm - 11:59 pm

BHD

ONT

19h 14m

2 stops

12:40 pm - 5:30 pm

ONT

BHD

20h 50m

2 stops

$951American Airlines

Thu, May 21 - Mon, May 25

9:50 am - 11:34 pm

BHD

ONT

21h 44m

2 stops

4:57 pm - 4:55 pm

ONT

BHD

15h 58m

2 stops

$1,693Delta

Mon, May 25 - Tue, Jun 2

9:50 am - 8:34 pm

BHD

SNA

18h 44m

2 stops

5:05 pm - 4:55 pm

SNA

BHD

15h 50m

2 stops

$1,693Delta

Mon, May 25 - Tue, Jun 2

KLM flights from Northern Ireland to California

Our best KLM deals on Northern Ireland to California flight tickets

KLM

Sep 6

BHD9:45 amBelfast City

34h 05m

1 stop

LAX11:50 amLos Angeles

Sep 23

LAX4:45 pmLos Angeles

32h 35m

1 stop

BHD9:20 amBelfast City

$890

KLM

Sep 6

BHD5:30 pmBelfast City

26h 20m

1 stop

LAX11:50 amLos Angeles

Sep 23

LAX5:05 pmLos Angeles

15h 50m

2 stops

BHD4:55 pmBelfast City

$895

KLM

Sep 6

BHD9:45 amBelfast City

19h 59m

2 stops

LAX9:44 pmLos Angeles

Sep 23

LAX5:05 pmLos Angeles

15h 50m

2 stops

BHD4:55 pmBelfast City

$944

American Airlines flights from Northern Ireland to California

Our best American Airlines deals on Northern Ireland to California flight tickets

American Airlines

May 25

BHD6:30 amBelfast City

21h 45m

1 stop

LAX8:15 pmLos Angeles

Jun 2

LAX4:30 pmLos Angeles

14h 50m

1 stop

BHD3:20 pmBelfast City

$903

American Airlines

May 21

BHD12:45 pmBelfast City

19h 14m

2 stops

ONT11:59 pmOntario

May 25

ONT12:40 pmOntario

20h 50m

2 stops

BHD5:30 pmBelfast City

$951

American Airlines

Sep 21

BHD11:35 amBelfast City

18h 19m

2 stops

LAS9:54 pmLas Vegas Harry Reid Intl

Sep 28

LAS10:10 pmLas Vegas Harry Reid Intl

12h 35m

1 stop

BHD6:45 pmBelfast City

$1,022

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 round-trip

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Thu 5/21

6:35 am-8:20 pm

1 stop21h 45m

Los Angeles

Mon 5/25

6:00 am-11:10 pm

2 stops33h 10m

$812

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Sun 9/6

9:45 am-11:50 am

1 stop34h 05m

Los Angeles

Wed 9/23

4:45 pm-9:20 am

1 stop32h 35m

$890

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Sun 9/6

5:30 pm-11:50 am

1 stop26h 20m

Los Angeles

Wed 9/23

5:05 pm-4:55 pm

2 stops15h 50m

$895

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Mon 5/25

6:30 am-8:15 pm

1 stop21h 45m

Los Angeles

Tue 6/2

4:30 pm-3:20 pm

1 stop14h 50m

$903

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Wed 9/2

10:05 am-10:58 pm

2 stops20h 53m

Ontario

Sun 9/6

11:59 pm-6:45 pm

2 stops34h 46m

$910

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Thu 5/21

6:35 am-5:45 pm

1 stop19h 10m

Los Angeles

Mon 5/25

8:35 pm-11:10 pm

1 stop18h 35m

$913

Quickest round-trip

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 7/27

6:30 am-1:50 pm

1 stop15h 20m

San Francisco

Mon 8/24

4:35 pm-3:30 pm

1 stop14h 55m

$926

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Thu 5/21

12:45 pm-11:59 pm

2 stops19h 14m

Ontario

Mon 5/25

12:40 pm-5:30 pm

2 stops20h 50m

$951

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Mon 5/25

9:50 am-11:34 pm

2 stops21h 44m

Ontario

Tue 6/2

4:57 pm-4:55 pm

2 stops15h 58m

$1,693

BelfastSanta Ana

BHD - SNA

BHDSNA

Belfast City

Mon 5/25

9:50 am-8:34 pm

2 stops18h 44m

Santa Ana J. Wayne/Orange Cnty

Tue 6/2

5:05 pm-4:55 pm

2 stops15h 50m

$1,693

Flights are sorted by cheapest round-trip 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?

The month of March is another great option to travel to California, with average flight prices from Northern Ireland averaging around $519.

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

You could potentially save up to 4% 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

Fastest flight time	15h 10m
Direct flights	None

The fastest flight from Northern Ireland to California takes 15h 10m

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 updated daily.
How old do you have to be to fly from Northern Ireland to California?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Northern Ireland to California.
What documentation or ID do you need to fly to California?
The travel and health documents you'll need for your trip to California 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 California. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

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

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

Yes. All flights to California from Northern Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Northern Ireland to California flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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