How long is the flight from California to Northern Ireland?

The average flight duration from California to Northern Ireland depends on which airport you fly into and out of. Flying from Los Angeles to Belfast Intl Airport is 13h 40m on average, while flying from Santa Ana to Belfast Intl Airport is 15h 59m on average. Belfast Intl Airport is the most popular airport in Northern Ireland.

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

Aer Lingus, British Airways, and Scandinavian Airlines are the most popular carriers operating from California to Northern Ireland

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.

£210 Cheap Flights from California to Northern Ireland in 2026

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Find the cheapest flights from California to Northern Ireland

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

21:00 - 19:15

LAX

BHD

14h 15m

1 stop

08:45 - 19:25

BHD

LAX

17h 40m

1 stop

£461British Airways

Fri, 6 Mar - Fri, 13 Mar

21:00 - 20:30

LAX

BHD

15h 30m

1 stop

18:00 - 19:30

BHD

LAX

32h 30m

1 stop

£462British Airways

Sat, 7 Mar - Sat, 14 Mar

13:55 - 16:50

SFO

BHD

18h 55m

1 stop

17:20 - 11:50

BHD

SFO

26h 30m

1 stop

£494Delta

Tue, 17 Feb - Thu, 5 Mar

05:55 - 16:50

SFO

BHD

26h 55m

2 stops

17:20 - 11:50

BHD

SFO

26h 30m

1 stop

£498Delta

Tue, 17 Feb - Wed, 4 Mar

20:20 - 19:40

LAX

BHD

15h 20m

1 stop

06:30 - 20:20

BHD

LAX

21h 50m

1 stop

£512American Airlines

Tue, 14 Apr - Sun, 19 Apr

20:20 - 18:55

LAX

BHD

14h 35m

1 stop

11:00 - 21:56

BHD

LAX

18h 56m

2 stops

£519American Airlines

Tue, 14 Apr - Sun, 19 Apr

20:15 - 22:00

LAX

BFS

17h 45m

2 stops

08:05 - 19:30

BFS

LAX

18h 25m

2 stops

£519Multiple Airlines

Fri, 6 Mar - Fri, 13 Mar

01:11 - 17:55

LAX

BFS

33h 44m

3 stops

07:35 - 17:10

BFS

LAX

41h 35m

3 stops

£619Multiple Airlines

Mon, 23 Mar - Tue, 31 Mar

11:30 - 16:55

SJC

BHD

21h 25m

2 stops

17:30 - 17:04

BHD

SJC

31h 34m

2 stops

£649KLM

Tue, 9 Jun - Mon, 15 Jun

13:15 - 16:50

ONT

BHD

19h 35m

2 stops

06:30 - 17:12

BHD

ONT

17h 42m

2 stops

£1,918KLM

Fri, 6 Mar - Fri, 13 Mar

British Airways flights from California to Northern Ireland

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

British Airways

6 Mar

LAX21:00Los Angeles

14h 15m

1 stop

BHD19:15Belfast City

13 Mar

BHD08:45Belfast City

17h 40m

1 stop

LAX19:25Los Angeles

£461

British Airways

7 Mar

LAX21:00Los Angeles

15h 30m

1 stop

BHD20:30Belfast City

14 Mar

BHD18:00Belfast City

32h 30m

1 stop

LAX19:30Los Angeles

£462

British Airways

4 Mar

LAX18:00Los Angeles

29h 30m

1 stop

BHD07:30Belfast City

8 Mar

BHD10:40Belfast City

15h 50m

1 stop

LAX19:30Los Angeles

£471

Aer Lingus flights from California to Northern Ireland

Our best Aer Lingus deals on California to Northern Ireland flight tickets

Aer Lingus

6 Mar

LAX20:15Los Angeles

16h 35m

2 stops

BHD20:50Belfast City

13 Mar

BHD07:00Belfast City

19h 30m

2 stops

LAX19:30Los Angeles

£592

Aer Lingus

20 Apr

LAX20:10Los Angeles

16h 45m

2 stops

BHD20:55Belfast City

24 Apr

BHD06:50Belfast City

19h 35m

2 stops

LAX18:25Los Angeles

£657

Aer Lingus

17 Feb

SFO17:20San Francisco

16h 00m

2 stops

BHD17:20Belfast City

2 Mar

BHD14:25Belfast City

33h 10m

2 stops

SFO15:35San Francisco

£674

momondo Fare Finder

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

Fri 6/3

21:00-19:15

1 stop14h 15m

Belfast City

Fri 13/3

08:45-19:25

1 stop17h 40m

£461

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Sat 7/3

21:00-20:30

1 stop15h 30m

Belfast City

Sat 14/3

18:00-19:30

1 stop32h 30m

£462

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 17/2

13:55-16:50

1 stop18h 55m

Belfast City

Thu 5/3

17:20-11:50

1 stop26h 30m

£494

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 17/2

05:55-16:50

2 stops26h 55m

Belfast City

Wed 4/3

17:20-11:50

1 stop26h 30m

£498

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Tue 14/4

20:20-19:40

1 stop15h 20m

Belfast City

Sun 19/4

06:30-20:20

1 stop21h 50m

£512

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Tue 14/4

20:20-18:55

1 stop14h 35m

Belfast City

Sun 19/4

11:00-21:56

2 stops18h 56m

£519

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Fri 6/3

20:15-22:00

2 stops17h 45m

Belfast Intl

Fri 13/3

08:05-19:30

2 stops18h 25m

£519

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Mon 23/3

01:11-17:55

3 stops33h 44m

Belfast Intl

Tue 31/3

07:35-17:10

3 stops41h 35m

£619

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Tue 9/6

11:30-16:55

2 stops21h 25m

Belfast City

Mon 15/6

17:30-17:04

2 stops31h 34m

£649

OntarioBelfast

ONT - BHD

ONTBHD

Ontario

Fri 6/3

13:15-16:50

2 stops19h 35m

Belfast City

Fri 13/3

06:30-17:12

2 stops17h 42m

£1,918

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Northern Ireland?

In general, October is the cheapest month to fly from California to Northern Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £466. If you’re not able to fly to Northern Ireland in October, then February is your next best option. Flight prices from California to Northern Ireland during February average around £504.

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

You could potentially save up to 14% on your flight if you consider stops on a California to Northern Ireland flight.

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

Fastest flight time	13h 40m
Direct flights	None

The fastest flight from California to Northern Ireland takes 13h 40m

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

Search flight deals

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.