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Cheap flights from California to Northern Ireland from £211

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Northern Ireland departing on 17/11. 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 California to Northern Ireland

Cheap return flights

Finnair Logo
16:30 - 13:55LAX-BHD
14h 25m1 stop
Finnair Logo
11:05 - 21:25BHD-LAX
17h 20m1 stop
£425Finnair
Find Deal
Sun, 15 Mar - Thu, 26 Mar
American Airlines Logo
13:25 - 11:55LAX-BHD
14h 30m1 stop
American Airlines Logo
06:35 - 20:15BHD-LAX
21h 40m1 stop
£425American Airlines
Find Deal
Wed, 15 Oct - Thu, 23 Oct
British Airways Logo
16:30 - 16:05LAX-BHD
16h 35m1 stop
British Airways Logo
11:25 - 19:30BHD-LAX
15h 05m1 stop
£428British Airways
Find Deal
Mon, 16 Mar - Wed, 25 Mar
British Airways Logo
16:47 - 16:45ONT-BHD
15h 58m2 stops
British Airways Logo
06:35 - 22:28BHD-ONT
23h 53m2 stops
£438British Airways
Find Deal
Tue, 2 Dec - Tue, 9 Dec
Delta Logo
13:45 - 21:15SFO-BHD
23h 30m1 stop
Delta Logo
06:30 - 11:45BHD-SFO
13h 15m1 stop
£463Delta
Find Deal
Sun, 28 Sep - Tue, 7 Oct
Delta Logo
10:30 - 16:55SFO-BHD
22h 25m2 stops
Delta Logo
17:25 - 11:45BHD-SFO
26h 20m1 stop
£467Delta
Find Deal
Sun, 28 Sep - Mon, 6 Oct
Multiple Airlines Logo
09:15 - 10:30LAX-BHD
17h 15m2 stops
Multiple Airlines Logo
06:35 - 15:50BHD-LAX
17h 15m1 stop
£468Multiple Airlines
Find Deal
Fri, 23 Jan - Tue, 3 Feb
Multiple Airlines Logo
09:15 - 10:30LAX-BHD
17h 15m2 stops
Multiple Airlines Logo
08:45 - 15:50BHD-LAX
15h 05m1 stop
£469Multiple Airlines
Find Deal
Fri, 23 Jan - Tue, 3 Feb
KLM Logo
16:50 - 21:15LAX-BHD
20h 25m1 stop
KLM Logo
06:30 - 14:50BHD-LAX
16h 20m1 stop
£500KLM
Find Deal
Thu, 16 Oct - Thu, 23 Oct
KLM Logo
16:54 - 16:55SFO-BHD
16h 01m2 stops
KLM Logo
06:30 - 11:50BHD-SFO
13h 20m1 stop
£540KLM
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Fri, 24 Oct - Sat, 8 Nov

Iberia flights from California to Northern Ireland

Our best Iberia deals on California to Northern Ireland flight tickets
Iberia
6 Oct
LAX20:05Los Angeles
13h 25m
1 stop
BHD17:30Belfast City
8 Oct
BHD06:50Belfast City
20h 20m
2 stops
LAX19:10Los Angeles
£785
Find similar
Iberia
27 Sept
SJC14:08San Jose
37h 22m
2 stops
BHD11:30Belfast City
3 Oct
BHD06:35Belfast City
22h 33m
2 stops
SJC21:08San Jose
£1,432
Find similar
Iberia
27 Sept
SJC14:08San Jose
37h 22m
2 stops
BHD11:30Belfast City
3 Oct
BHD06:35Belfast City
22h 33m
2 stops
SJC21:08San Jose
£1,436
Find similar

American Airlines flights from California to Northern Ireland

Our best American Airlines deals on California to Northern Ireland flight tickets
American Airlines
15 Oct
LAX13:25Los Angeles
14h 30m
1 stop
BHD11:55Belfast City
23 Oct
BHD06:35Belfast City
21h 40m
1 stop
LAX20:15Los Angeles
£425
Find similar
American Airlines
15 Oct
LAX11:30Los Angeles
16h 25m
2 stops
BHD11:55Belfast City
23 Oct
BHD06:35Belfast City
21h 40m
1 stop
LAX20:15Los Angeles
£429
Find similar
American Airlines
15 Oct
LAX13:25Los Angeles
18h 10m
1 stop
BHD15:35Belfast City
23 Oct
BHD12:40Belfast City
15h 35m
1 stop
LAX20:15Los Angeles
£433
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from California to Northern Ireland 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 17 September 2025.
Use the filters below to find and compare flights from California to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Sun 15/3

16:30-13:55

1 stop14h 25m

Belfast City

Thu 26/3

11:05-21:25

1 stop17h 20m

£425

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 15/10

13:25-11:55

1 stop14h 30m

Belfast City

Thu 23/10

06:35-20:15

1 stop21h 40m

£425

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Mon 16/3

16:30-16:05

1 stop16h 35m

Belfast City

Wed 25/3

11:25-19:30

1 stop15h 05m

£428

OntarioBelfast

ONT - BHD

ONTBHD

Ontario

Tue 2/12

16:47-16:45

2 stops15h 58m

Belfast City

Tue 9/12

06:35-22:28

2 stops23h 53m

£438

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 28/9

13:45-21:15

1 stop23h 30m

Belfast City

Tue 7/10

06:30-11:45

1 stop13h 15m

£463

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 28/9

10:30-16:55

2 stops22h 25m

Belfast City

Mon 6/10

17:25-11:45

1 stop26h 20m

£467

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Fri 23/1

09:15-10:30

2 stops17h 15m

Belfast City

Tue 3/2

06:35-15:50

1 stop17h 15m

£468

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Fri 23/1

09:15-10:30

2 stops17h 15m

Belfast City

Tue 3/2

08:45-15:50

1 stop15h 05m

£469

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Thu 16/10

16:50-21:15

1 stop20h 25m

Belfast City

Thu 23/10

06:30-14:50

1 stop16h 20m

£500

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Fri 24/10

16:54-16:55

2 stops16h 01m

Belfast City

Sat 8/11

06:30-11:50

1 stop13h 20m

£540

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Northern Ireland from

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

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 time of day to depart on your flight to Northern Ireland?

Flying to Northern Ireland from California in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £540 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £547 on average. Flights to Northern Ireland from California in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

Cheap California to Northern Ireland flight deals and tips

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

Direct flights

None
There are no direct flights from California to Northern Ireland. There are no popular flight routes from California to Northern Ireland.
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  • When did momondo last update prices for flights from California to Northern Ireland?

    Prices for flights from California to Northern Ireland refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Northern Ireland.

  • What documentation or ID do you need to fly to Northern Ireland?

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

Why use momondo?

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

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

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

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

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

Once you have performed a search for California to Northern Ireland 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 California to Northern Ireland right now. Can momondo alert me if prices change?

Yes. momondo can track prices for California to Northern Ireland 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.

An easier way to manage your Northern Ireland trip

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Find better results for your trip to Northern Ireland

Popular Cities in Northern Ireland

Popular flights according to clicks in the last 7 days on momondo
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