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 50m on average, while flying from San Francisco to Belfast Intl Airport is 15h 40m 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?

KLM, Delta, and British Airways are the most popular carriers operating from California to Northern Ireland

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.

£269 Cheap Flights from California to Northern Ireland in 2026

Voted winner of Europe's Best Travel App 2023

Find the cheapest flights from California to Northern Ireland

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

07:30 - 21:10

LAX

BFS

29h 40m

3 stops

05:55 - 21:31

BFS

LAX

23h 36m

2 stops

£645Multiple Airlines

Wed, 16 Sep - Wed, 23 Sep

07:30 - 17:05

LAX

BFS

25h 35m

3 stops

20:15 - 08:20

BFS

LAX

44h 05m

3 stops

£655Multiple Airlines

Wed, 16 Sep - Wed, 23 Sep

07:30 - 14:30

LAX

BHD

23h 00m

3 stops

18:50 - 18:25

BHD

LAX

31h 35m

2 stops

£656Multiple Airlines

Wed, 16 Sep - Wed, 23 Sep

22:00 - 18:40

LAX

BHD

13h 40m

1 stop

17:45 - 13:30

BHD

LAX

27h 45m

1 stop

£656British Airways

Sun, 25 Oct - Mon, 2 Nov

20:20 - 07:30

LAX

BHD

28h 10m

1 stop

19:25 - 18:30

BHD

LAX

31h 05m

1 stop

£665British Airways

Wed, 28 Oct - Mon, 2 Nov

07:30 - 17:05

LAX

BFS

25h 35m

2 stops

05:55 - 21:31

BFS

LAX

23h 36m

2 stops

£665Multiple Airlines

Wed, 16 Sep - Wed, 23 Sep

20:20 - 07:30

LAX

BHD

28h 10m

1 stop

17:45 - 15:50

BHD

LAX

30h 05m

1 stop

£665British Airways

Wed, 28 Oct - Mon, 2 Nov

14:58 - 15:40

SFO

BHD

16h 42m

2 stops

06:30 - 19:11

BHD

SFO

20h 41m

2 stops

£677American Airlines

Wed, 9 Sep - Thu, 17 Sep

13:27 - 15:40

SFO

BHD

18h 13m

2 stops

13:10 - 00:20

BHD

SFO

19h 10m

2 stops

£715American Airlines

Wed, 9 Sep - Sun, 20 Sep

12:40 - 09:20

SJC

BHD

36h 40m

2 stops

17:30 - 20:24

BHD

SJC

34h 54m

2 stops

£719KLM

Wed, 5 Aug - Mon, 17 Aug

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American Airlines flights from California to Northern Ireland

Our best American Airlines deals on California to Northern Ireland flight tickets

American Airlines

9 Sept

SFO14:58San Francisco

16h 42m

2 stops

BHD15:40Belfast City

17 Sept

BHD06:30Belfast City

20h 41m

2 stops

SFO19:11San Francisco

£677

American Airlines

3 Aug

LAX18:10Los Angeles Los Angeles

16h 35m

1 stop

BHD18:45Belfast City

19 Aug

BHD06:30Belfast City

19h 14m

2 stops

LAX17:44Los Angeles Los Angeles

£706

American Airlines

28 Oct

LAX10:45Los Angeles Los Angeles

16h 30m

2 stops

BHD10:15Belfast City

2 Nov

BHD09:25Belfast City

20h 26m

2 stops

LAX21:51Los Angeles Los Angeles

£707

British Airways flights from California to Northern Ireland

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

British Airways

25 Oct

LAX22:00Los Angeles Los Angeles

13h 40m

1 stop

BHD18:40Belfast City

2 Nov

BHD17:45Belfast City

27h 45m

1 stop

LAX13:30Los Angeles Los Angeles

£656

British Airways

28 Oct

LAX20:20Los Angeles Los Angeles

28h 10m

1 stop

BHD07:30Belfast City

2 Nov

BHD19:25Belfast City

31h 05m

1 stop

LAX18:30Los Angeles Los Angeles

£665

British Airways

28 Oct

LAX20:20Los Angeles Los Angeles

28h 10m

1 stop

BHD07:30Belfast City

2 Nov

BHD17:45Belfast City

30h 05m

1 stop

LAX15:50Los Angeles Los Angeles

£665

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

Cheapest return flight

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles Los Angeles

Wed 16/9

07:30-21:10

3 stops29h 40m

Belfast Intl

Wed 23/9

05:55-21:31

2 stops23h 36m

£645

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles Los Angeles

Wed 16/9

07:30-17:05

3 stops25h 35m

Belfast Intl

Wed 23/9

20:15-08:20

3 stops44h 05m

£655

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles Los Angeles

Wed 16/9

07:30-14:30

3 stops23h 00m

Belfast City

Wed 23/9

18:50-18:25

2 stops31h 35m

£656

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles Los Angeles

Sun 25/10

22:00-18:40

1 stop13h 40m

Belfast City

Mon 2/11

17:45-13:30

1 stop27h 45m

£656

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles Los Angeles

Wed 28/10

20:20-07:30

1 stop28h 10m

Belfast City

Mon 2/11

19:25-18:30

1 stop31h 05m

£665

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles Los Angeles

Wed 16/9

07:30-17:05

2 stops25h 35m

Belfast Intl

Wed 23/9

05:55-21:31

2 stops23h 36m

£665

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles Los Angeles

Wed 28/10

20:20-07:30

1 stop28h 10m

Belfast City

Mon 2/11

17:45-15:50

1 stop30h 05m

£665

Fastest return journey

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 9/9

14:58-15:40

2 stops16h 42m

Belfast City

Thu 17/9

06:30-19:11

2 stops20h 41m

£677

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 9/9

13:27-15:40

2 stops18h 13m

Belfast City

Sun 20/9

13:10-00:20

2 stops19h 10m

£715

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 5/8

12:40-09:20

2 stops36h 40m

Belfast City

Mon 17/8

17:30-20:24

2 stops34h 54m

£719

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, August 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 £0. If you’re not able to fly to Northern Ireland in August, then March is your next best option. Flight prices from California to Northern Ireland during March average around £436.

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 50m
Direct flights	None

The fastest flight from California to Northern Ireland takes 13h 50m

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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Frequently asked questions about flying 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.

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.