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

Aer Lingus and British Airways 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 updated daily.

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

As of March 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 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.

$393 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.

6:30 am - 1:45 pm

BHD

LAX

15h 15m

1 stop

8:55 pm - 6:55 pm

LAX

BHD

14h 00m

1 stop

$738British Airways

Tue, Sep 15 - Tue, Sep 29

9:40 am - 8:14 pm

BHD

LAX

18h 34m

2 stops

8:55 pm - 7:40 pm

LAX

BHD

14h 45m

1 stop

$746Multiple Airlines

Tue, Sep 15 - Tue, Sep 29

10:05 am - 7:57 pm

BHD

LAX

17h 52m

2 stops

8:55 pm - 7:50 pm

LAX

BHD

14h 55m

1 stop

$755British Airways

Wed, Aug 5 - Wed, Aug 12

11:35 am - 8:15 pm

BHD

LAX

16h 40m

1 stop

4:20 pm - 3:40 pm

LAX

BHD

15h 20m

1 stop

$758British Airways

Wed, Aug 5 - Wed, Aug 12

6:30 am - 6:34 pm

BHD

LAX

20h 04m

2 stops

2:00 pm - 3:40 pm

LAX

BHD

17h 40m

2 stops

$764British Airways

Wed, Aug 5 - Wed, Aug 12

9:35 am - 8:33 am

BHD

SNA

30h 58m

2 stops

4:23 pm - 7:25 pm

SNA

BHD

19h 02m

2 stops

$791British Airways

Thu, Apr 23 - Mon, Apr 27

6:10 am - 4:25 pm

BFS

LAX

18h 15m

2 stops

6:25 pm - 8:25 pm

LAX

BFS

18h 00m

2 stops

$879Multiple Airlines

Mon, May 4 - Mon, May 11

5:30 pm - 11:45 am

BHD

SFO

26h 15m

1 stop

6:20 am - 9:20 am

SFO

BHD

19h 00m

2 stops

$895KLM

Sun, Apr 19 - Sun, Apr 26

9:50 am - 6:35 pm

BHD

LAS

16h 45m

1 stop

8:25 pm - 9:20 am

LAS

BHD

28h 55m

1 stop

$1,099KLM

Fri, Sep 4 - Wed, Sep 9

9:50 am - 8:56 pm

BHD

SNA

19h 06m

2 stops

8:00 am - 9:20 am

SNA

BHD

17h 20m

2 stops

$1,585Delta

Thu, Apr 9 - Mon, Apr 13

British Airways flights from Northern Ireland to California

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

British Airways

Sep 15

BHD6:30 amBelfast City

15h 15m

1 stop

LAX1:45 pmLos Angeles

Sep 29

LAX8:55 pmLos Angeles

14h 00m

1 stop

BHD6:55 pmBelfast City

$738

British Airways

Aug 5

BHD10:05 amBelfast City

17h 52m

2 stops

LAX7:57 pmLos Angeles

Aug 12

LAX8:55 pmLos Angeles

14h 55m

1 stop

BHD7:50 pmBelfast City

$755

British Airways

Aug 5

BHD11:35 amBelfast City

16h 40m

1 stop

LAX8:15 pmLos Angeles

Aug 12

LAX4:20 pmLos Angeles

15h 20m

1 stop

BHD3:40 pmBelfast City

$758

Delta flights from Northern Ireland to California

Our best Delta deals on Northern Ireland to California flight tickets

Delta

May 8

BHD9:50 amBelfast City

22h 00m

2 stops

LAX11:50 pmLos Angeles

May 14

LAX9:25 amLos Angeles

23h 30m

2 stops

BHD4:55 pmBelfast City

$926

Delta

May 22

BHD9:50 amBelfast City

22h 33m

2 stops

LAS12:23 amLas Vegas Harry Reid Intl

May 25

LAS8:25 pmLas Vegas Harry Reid Intl

12h 30m

1 stop

BHD4:55 pmBelfast City

$1,290

Delta

May 22

BHD9:50 amBelfast City

22h 33m

2 stops

LAS12:23 amLas Vegas Harry Reid Intl

May 25

LAS8:25 pmLas Vegas Harry Reid Intl

12h 30m

1 stop

BHD4:55 pmBelfast City

$1,349

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

Quickest round-trip

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Tue 9/15

6:30 am-1:45 pm

1 stop15h 15m

Los Angeles

Tue 9/29

8:55 pm-6:55 pm

1 stop14h 00m

$738

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Tue 9/15

9:40 am-8:14 pm

2 stops18h 34m

Los Angeles

Tue 9/29

8:55 pm-7:40 pm

1 stop14h 45m

$746

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Wed 8/5

10:05 am-7:57 pm

2 stops17h 52m

Los Angeles

Wed 8/12

8:55 pm-7:50 pm

1 stop14h 55m

$755

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Wed 8/5

11:35 am-8:15 pm

1 stop16h 40m

Los Angeles

Wed 8/12

4:20 pm-3:40 pm

1 stop15h 20m

$758

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Wed 8/5

6:30 am-6:34 pm

2 stops20h 04m

Los Angeles

Wed 8/12

2:00 pm-3:40 pm

2 stops17h 40m

$764

BelfastSanta Ana

BHD - SNA

BHDSNA

Belfast City

Thu 4/23

9:35 am-8:33 am

2 stops30h 58m

Santa Ana J. Wayne/Orange Cnty

Mon 4/27

4:23 pm-7:25 pm

2 stops19h 02m

$791

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Mon 5/4

6:10 am-4:25 pm

2 stops18h 15m

Los Angeles

Mon 5/11

6:25 pm-8:25 pm

2 stops18h 00m

$879

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Sun 4/19

5:30 pm-11:45 am

1 stop26h 15m

San Francisco

Sun 4/26

6:20 am-9:20 am

2 stops19h 00m

$895

BelfastLas Vegas

BHD - LAS

BHDLAS

Belfast City

Fri 9/4

9:50 am-6:35 pm

1 stop16h 45m

Las Vegas Harry Reid Intl

Wed 9/9

8:25 pm-9:20 am

1 stop28h 55m

$1,099

BelfastSanta Ana

BHD - SNA

BHDSNA

Belfast City

Thu 4/9

9:50 am-8:56 pm

2 stops19h 06m

Santa Ana J. Wayne/Orange Cnty

Mon 4/13

8:00 am-9:20 am

2 stops17h 20m

$1,585

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

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 15m
Direct flights	None

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

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

Search flight deals

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 many operators does momondo search for flights from Northern Ireland to California?
As of March 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 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.

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 $542	Free Cancellation	Rating 6.7 7,813 reviews		Search British Airways flights

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.