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Cheap flights from Northern Ireland to California from £278

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 28/10. 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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Find the cheapest flights from Northern Ireland to California

Cheap return flights

Virgin Atlantic Logo
17:25 - 14:50BHD-LAX
29h 25m1 stop
Virgin Atlantic Logo
16:45 - 21:15LAX-BHD
20h 30m1 stop
£504Virgin Atlantic
Find Deal
Mon, 1 Sep - Tue, 9 Sep
American Airlines Logo
13:50 - 20:15BHD-LAX
14h 25m1 stop
American Airlines Logo
13:56 - 19:25LAX-BHD
21h 29m2 stops
£516American Airlines
Find Deal
Mon, 1 Sep - Tue, 9 Sep
Logo
14:55 - 15:30BFS-LAX
32h 35m2 stops
Logo
16:30 - 07:40LAX-BFS
31h 10m1 stop
£523
Find Deal
Sun, 5 Oct - Sun, 12 Oct
American Airlines Logo
06:35 - 18:05BHD-LAX
19h 30m1 stop
American Airlines Logo
13:25 - 15:20LAX-BHD
17h 55m1 stop
£545American Airlines
Find Deal
Fri, 5 Sep - Tue, 9 Sep
Logo
22:10 - 16:20BFS-LAX
26h 10m2 stops
Logo
19:30 - 22:20LAX-BFS
18h 50m2 stops
£546
Find Deal
Sun, 5 Oct - Sun, 12 Oct
American Airlines Logo
09:30 - 20:05BHD-LAX
18h 35m2 stops
American Airlines Logo
21:35 - 19:25LAX-BHD
13h 50m1 stop
£550American Airlines
Find Deal
Fri, 5 Sep - Tue, 9 Sep
Delta Logo
06:30 - 17:18BHD-SFO
18h 48m2 stops
Delta Logo
13:45 - 21:15SFO-BHD
23h 30m2 stops
£603Delta
Find Deal
Sun, 21 Sep - Mon, 29 Sep
British Airways Logo
20:05 - 13:50BHD-SFO
25h 45m1 stop
British Airways Logo
16:30 - 14:40SFO-BHD
14h 10m1 stop
£676British Airways
Find Deal
Sun, 14 Sep - Sun, 21 Sep
Delta Logo
06:30 - 16:15BHD-LAX
17h 45m2 stops
Delta Logo
13:25 - 16:55LAX-BHD
19h 30m2 stops
£823Delta
Find Deal
Fri, 5 Sep - Tue, 9 Sep
Aer Lingus Logo
10:20 - 13:50BHD-SFO
35h 30m3 stops
Aer Lingus Logo
17:40 - 17:20SFO-BHD
15h 40m2 stops
£1,169Aer Lingus
Find Deal
Sun, 21 Sep - Mon, 29 Sep

American Airlines flights from Northern Ireland to California

Our best American Airlines deals on Northern Ireland to California flight tickets
American Airlines
1 Sept
BHD13:50Belfast City
14h 25m
1 stop
LAX20:15Los Angeles
9 Sept
LAX13:56Los Angeles
21h 29m
2 stops
BHD19:25Belfast City
£516
Find similar
American Airlines
5 Sept
BHD06:35Belfast City
19h 30m
1 stop
LAX18:05Los Angeles
9 Sept
LAX13:25Los Angeles
17h 55m
1 stop
BHD15:20Belfast City
£545
Find similar
American Airlines
5 Sept
BHD09:30Belfast City
18h 35m
2 stops
LAX20:05Los Angeles
9 Sept
LAX21:35Los Angeles
13h 50m
1 stop
BHD19:25Belfast City
£550
Find similar

Delta flights from Northern Ireland to California

Our best Delta deals on Northern Ireland to California flight tickets
Delta
21 Sept
BHD06:30Belfast City
18h 48m
2 stops
SFO17:18San Francisco
29 Sept
SFO13:45San Francisco
23h 30m
2 stops
BHD21:15Belfast City
£603
Find similar
Delta
5 Sept
BHD06:30Belfast City
17h 45m
2 stops
LAX16:15Los Angeles
9 Sept
LAX13:25Los Angeles
19h 30m
2 stops
BHD16:55Belfast City
£823
Find similar
Delta
5 Sept
BHD06:30Belfast City
17h 33m
2 stops
SNA16:03Santa Ana J. Wayne/Orange Cnty
9 Sept
SNA13:50Santa Ana J. Wayne/Orange Cnty
19h 05m
2 stops
BHD16:55Belfast City
£827
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 21 August 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

Mon 1/9

17:25-14:50

1 stop29h 25m

Los Angeles

Tue 9/9

16:45-21:15

1 stop20h 30m

£504

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Mon 1/9

13:50-20:15

1 stop14h 25m

Los Angeles

Tue 9/9

13:56-19:25

2 stops21h 29m

£516

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Sun 5/10

14:55-15:30

2 stops32h 35m

Los Angeles

Sun 12/10

16:30-07:40

1 stop31h 10m

£523

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Fri 5/9

06:35-18:05

1 stop19h 30m

Los Angeles

Tue 9/9

13:25-15:20

1 stop17h 55m

£545

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Sun 5/10

22:10-16:20

2 stops26h 10m

Los Angeles

Sun 12/10

19:30-22:20

2 stops18h 50m

£546

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Fri 5/9

09:30-20:05

2 stops18h 35m

Los Angeles

Tue 9/9

21:35-19:25

1 stop13h 50m

£550

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Sun 21/9

06:30-17:18

2 stops18h 48m

San Francisco

Mon 29/9

13:45-21:15

2 stops23h 30m

£603

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Sun 14/9

20:05-13:50

1 stop25h 45m

San Francisco

Sun 21/9

16:30-14:40

1 stop14h 10m

£676

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Fri 5/9

06:30-16:15

2 stops17h 45m

Los Angeles

Tue 9/9

13:25-16:55

2 stops19h 30m

£823

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Sun 21/9

10:20-13:50

3 stops35h 30m

San Francisco

Mon 29/9

17:40-17:20

2 stops15h 40m

£1,169

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 month to fly to California?

If you are unable to visit California during the month of June, then departing from Northern Ireland during the month May is also very affordable. Most momondo users find prices during this month for around £476.

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 £545. 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 £801.

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 £527. In contrast, the most expensive time of day to depart to California is in the morning when prices are around £615.

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

You could potentially save up to 52% 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

Direct flights

None
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 £367Free CancellationRating
6.7
7,291 reviews
Search British Airways flights
American AirlinesPriceFrom £470Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
KLMPriceFrom £507Free CancellationRating
7.8
1,388 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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