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Cheap flights from Northern Ireland to California from £354

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to California departing on 30/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
15:05 - 16:35
BHD
-
LAX
33h 30m2 stops
British Airways Logo
21:00 - 20:15
LAX
-
BHD
15h 15m1 stop
£473British Airways
Thu, 5 Feb - Mon, 9 Feb
British Airways Logo
06:35 - 15:20
BHD
-
LAX
16h 45m1 stop
British Airways Logo
18:00 - 16:05
LAX
-
BHD
14h 05m1 stop
£474British Airways
Thu, 5 Feb - Mon, 9 Feb
British Airways Logo
10:00 - 18:25
BHD
-
LAX
16h 25m1 stop
British Airways Logo
18:54 - 18:45
LAX
-
BHD
15h 51m2 stops
£477British Airways
Wed, 17 Jun - Mon, 29 Jun
British Airways Logo
09:05 - 18:30
BHD
-
LAX
17h 25m2 stops
British Airways Logo
13:40 - 14:15
LAX
-
BHD
16h 35m2 stops
£478British Airways
Thu, 5 Feb - Mon, 9 Feb
British Airways Logo
06:35 - 18:45
BHD
-
ONT
20h 10m2 stops
British Airways Logo
23:59 - 14:15
ONT
-
BHD
30h 16m2 stops
£478British Airways
Wed, 11 Feb - Sun, 15 Feb
British Airways Logo
06:35 - 22:47
BHD
-
SNA
23h 12m2 stops
British Airways Logo
11:41 - 18:40
SNA
-
BHD
23h 59m2 stops
£478British Airways
Wed, 18 Mar - Sun, 22 Mar
British Airways Logo
09:05 - 18:30
BHD
-
LAX
17h 25m2 stops
British Airways Logo
22:25 - 08:25
LAX
-
BHD
26h 00m2 stops
£490British Airways
Thu, 29 Jan - Sat, 31 Jan
British Airways Logo
09:05 - 18:30
BHD
-
LAX
17h 25m1 stop
British Airways Logo
23:45 - 10:20
LAX
-
BHD
26h 35m2 stops
£491British Airways
Thu, 29 Jan - Sat, 31 Jan
American Airlines Logo
12:40 - 20:15
BHD
-
LAX
15h 35m1 stop
American Airlines Logo
21:35 - 20:45
LAX
-
BHD
15h 10m1 stop
£496American Airlines
Thu, 18 Jun - Tue, 30 Jun
Multiple Airlines Logo
17:20 - 11:50
BHD
-
SFO
26h 30m1 stop
Multiple Airlines Logo
13:55 - 16:50
SFO
-
BHD
18h 55m1 stop
£512Multiple Airlines
Thu, 22 Jan - Thu, 29 Jan

British Airways flights from Northern Ireland to California

Our best British Airways deals on Northern Ireland to California flight tickets
British Airways
5 Feb
BHD15:05Belfast City
33h 30m
2 stops
LAX16:35Los Angeles
9 Feb
LAX21:00Los Angeles
15h 15m
1 stop
BHD20:15Belfast City
£473
Find similar
British Airways
5 Feb
BHD10:40Belfast City
15h 50m
1 stop
LAX18:30Los Angeles
9 Feb
LAX21:00Los Angeles
15h 15m
1 stop
BHD20:15Belfast City
£474
Find similar
British Airways
17 Jun
BHD10:00Belfast City
16h 25m
1 stop
LAX18:25Los Angeles
29 Jun
LAX18:54Los Angeles
15h 51m
2 stops
BHD18:45Belfast City
£477
Find similar

American Airlines flights from Northern Ireland to California

Our best American Airlines deals on Northern Ireland to California flight tickets
American Airlines
18 Jun
BHD12:40Belfast City
15h 35m
1 stop
LAX20:15Los Angeles
2 Jul
LAX18:43Los Angeles
16h 02m
2 stops
BHD18:45Belfast City
£496
Find similar
American Airlines
16 Jun
BHD09:35Belfast City
21h 16m
2 stops
LAX22:51Los Angeles
26 Jun
LAX20:55Los Angeles
13h 20m
1 stop
BHD18:15Belfast City
£500
Find similar
American Airlines
14 Jun
BHD11:00Belfast City
15h 05m
1 stop
LAX18:05Los Angeles
27 Jun
LAX21:35Los Angeles
28h 55m
1 stop
BHD10:30Belfast City
£504
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Northern Ireland to California that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 26 December 2025.
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

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Thu 5/2

15:05-16:35

2 stops33h 30m

Los Angeles

Mon 9/2

21:00-20:15

1 stop15h 15m

£473

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Thu 5/2

06:35-15:20

1 stop16h 45m

Los Angeles

Mon 9/2

18:00-16:05

1 stop14h 05m

£474

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Wed 17/6

10:00-18:25

1 stop16h 25m

Los Angeles

Mon 29/6

18:54-18:45

2 stops15h 51m

£477

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Thu 5/2

09:05-18:30

2 stops17h 25m

Los Angeles

Mon 9/2

13:40-14:15

2 stops16h 35m

£478

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Wed 11/2

06:35-18:45

2 stops20h 10m

Ontario

Sun 15/2

23:59-14:15

2 stops30h 16m

£478

BelfastSanta Ana

BHD - SNA

BHDSNA

Belfast City

Wed 18/3

06:35-22:47

2 stops23h 12m

Santa Ana J. Wayne/Orange Cnty

Sun 22/3

11:41-18:40

2 stops23h 59m

£478

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Thu 29/1

09:05-18:30

2 stops17h 25m

Los Angeles

Sat 31/1

22:25-08:25

2 stops26h 00m

£490

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Thu 29/1

09:05-18:30

1 stop17h 25m

Los Angeles

Sat 31/1

23:45-10:20

2 stops26h 35m

£491

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Thu 18/6

12:40-20:15

1 stop15h 35m

Los Angeles

Tue 30/6

21:35-20:45

1 stop15h 10m

£496

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 22/1

17:20-11:50

1 stop26h 30m

San Francisco

Thu 29/1

13:55-16:50

1 stop18h 55m

£512

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to California from

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

What is the cheapest day to depart on your flight to California?

The cheapest day to depart on your flight to California is on a Saturday when prices can be found for as low as £544. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from Northern Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £798.

What is the cheapest time of day to depart on your flight to California?

The cheapest time of day to fly to California is in the afternoon when flights can be purchased for as low as £526. In contrast, the most expensive time of day to depart to California is in the morning when prices are around £613.

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

You could potentially save up to 9% 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

17h 25m

Direct flights

None
The fastest flight from Northern Ireland to California takes 17h 25m
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 refreshed on a daily basis.

  • How many operators does momondo search 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 AirwaysPriceFrom £366Free CancellationRating
6.7
7,617 reviews
Search British Airways flights
American AirlinesPriceFrom £469Free CancellationRating
7.2
11,061 reviews
Search American Airlines flights
KLMPriceFrom £502Free CancellationRating
7.7
1,434 reviews
Search KLM 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.

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