How long is the flight from California to Northern Ireland?

Flight times vary depending on what airport in California you fly out of and what airport in Northern Ireland you fly into. For example, flying from Los Angeles to Belfast Intl Airport takes 13h 40m on average. On the other hand, flying from San Francisco to Belfast Intl Airport takes 15h 05m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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

When did momondo last update prices for flights from California to Northern Ireland?

Prices for flights from California to Northern Ireland are updated daily.

How many operators does momondo search for flights from California to Northern Ireland?

As of July 2026, there is 1 operator available to choose from for flights 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 required travel and health documents for your Northern Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Northern Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$360 Cheap Flights from California to Northern Ireland in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from California to Northern Ireland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 pm - 4:35 pm

LAX

BHD

14h 35m

1 stop

9:15 am - 3:50 pm

BHD

LAX

14h 35m

1 stop

$836British Airways

Wed, Nov 4 - Wed, Nov 11

12:45 pm - 2:35 pm

LAX

BHD

17h 50m

2 stops

6:35 am - 1:30 pm

BHD

LAX

14h 55m

1 stop

$840British Airways

Wed, Nov 4 - Wed, Nov 11

12:45 pm - 2:15 pm

LAX

BHD

17h 30m

2 stops

11:25 am - 11:28 pm

BHD

LAX

20h 03m

2 stops

$850British Airways

Wed, Nov 4 - Wed, Nov 11

7:30 am - 9:10 pm

LAX

BFS

29h 40m

3 stops

5:55 am - 9:31 pm

BFS

LAX

23h 36m

2 stops

$862Multiple Airlines

Wed, Sep 16 - Wed, Sep 23

7:30 am - 5:05 pm

LAX

BFS

25h 35m

3 stops

8:15 pm - 8:20 am

BFS

LAX

44h 05m

3 stops

$875Multiple Airlines

Wed, Sep 16 - Wed, Sep 23

7:00 am - 9:10 am

SFO

BHD

18h 10m

2 stops

9:40 am - 11:45 am

BHD

SFO

34h 05m

1 stop

$893Delta

Mon, Nov 16 - Thu, Nov 26

1:50 pm - 9:10 am

SFO

BHD

35h 20m

1 stop

9:40 am - 12:50 am

BHD

SFO

23h 10m

2 stops

$898Delta

Sun, Nov 8 - Fri, Nov 13

2:58 pm - 3:40 pm

SFO

BHD

16h 42m

2 stops

6:30 am - 7:11 pm

BHD

SFO

20h 41m

2 stops

$905American Airlines

Wed, Sep 9 - Thu, Sep 17

12:40 pm - 9:20 am

SJC

BHD

36h 40m

2 stops

5:30 pm - 8:24 pm

BHD

SJC

34h 54m

2 stops

$961KLM

Wed, Aug 5 - Mon, Aug 17

8:20 am - 10:45 am

SJC

BHD

18h 25m

2 stops

6:30 am - 6:31 pm

BHD

SJC

20h 01m

2 stops

$1,525American Airlines

Tue, Jul 14 - Fri, Jul 17

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British Airways flights from California to Northern Ireland

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

British Airways

Nov 2

SFO5:25 pmSan Francisco

14h 40m

1 stop

BHD4:05 pmBelfast City

Nov 10

BHD6:35 amBelfast City

16h 20m

1 stop

SFO2:55 pmSan Francisco

$870

British Airways

Nov 4

SFO2:12 pmSan Francisco

16h 23m

2 stops

BHD2:35 pmBelfast City

Nov 10

BHD8:45 amBelfast City

14h 10m

1 stop

SFO2:55 pmSan Francisco

$886

British Airways

Nov 18

SFO9:12 amSan Francisco

17h 03m

2 stops

BHD10:15 amBelfast City

Nov 25

BHD9:15 amBelfast City

20h 57m

2 stops

SFO10:12 pmSan Francisco

$894

American Airlines flights from California to Northern Ireland

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

American Airlines

Sep 9

SFO2:58 pmSan Francisco

16h 42m

2 stops

BHD3:40 pmBelfast City

Sep 17

BHD6:30 amBelfast City

20h 41m

2 stops

SFO7:11 pmSan Francisco

$905

American Airlines

Nov 19

SFO5:25 pmSan Francisco

17h 25m

1 stop

BHD6:50 pmBelfast City

Nov 24

BHD8:45 amBelfast City

19h 29m

2 stops

SFO8:14 pmSan Francisco

$928

American Airlines

Aug 3

LAX6:10 pmLos Angeles

16h 35m

1 stop

BHD6:45 pmBelfast City

Aug 19

BHD6:30 amBelfast City

19h 14m

2 stops

LAX5:44 pmLos Angeles

$944

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 round-trip

Quickest round-trip

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 11/4

6:00 pm-4:35 pm

1 stop14h 35m

Belfast City

Wed 11/11

9:15 am-3:50 pm

1 stop14h 35m

$836

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 11/4

12:45 pm-2:35 pm

2 stops17h 50m

Belfast City

Wed 11/11

6:35 am-1:30 pm

1 stop14h 55m

$840

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 11/4

12:45 pm-2:15 pm

2 stops17h 30m

Belfast City

Wed 11/11

11:25 am-11:28 pm

2 stops20h 03m

$850

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Wed 9/16

7:30 am-9:10 pm

3 stops29h 40m

Belfast Intl

Wed 9/23

5:55 am-9:31 pm

2 stops23h 36m

$862

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Wed 9/16

7:30 am-5:05 pm

3 stops25h 35m

Belfast Intl

Wed 9/23

8:15 pm-8:20 am

3 stops44h 05m

$875

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 11/16

7:00 am-9:10 am

2 stops18h 10m

Belfast City

Thu 11/26

9:40 am-11:45 am

1 stop34h 05m

$893

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 11/8

1:50 pm-9:10 am

1 stop35h 20m

Belfast City

Fri 11/13

9:40 am-12:50 am

2 stops23h 10m

$898

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 9/9

2:58 pm-3:40 pm

2 stops16h 42m

Belfast City

Thu 9/17

6:30 am-7:11 pm

2 stops20h 41m

$905

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Wed 8/5

12:40 pm-9:20 am

2 stops36h 40m

Belfast City

Mon 8/17

5:30 pm-8:24 pm

2 stops34h 54m

$961

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Tue 7/14

8:20 am-10:45 am

2 stops18h 25m

Belfast City

Fri 7/17

6:30 am-6:31 pm

2 stops20h 01m

$1,525

Flights are sorted by cheapest round-trip 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?

The cheapest month to fly to Northern Ireland from California is in August. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of August, then book flights to Northern Ireland from California during March instead. Flights to Northern Ireland in March, while not as cheap as those in August, still average around $583.

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

You could potentially save up to 18% 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.

Search flight deals

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 are updated daily.
How many operators does momondo search for flights from California to Northern Ireland?
As of July 2026, there is 1 operator available to choose from for flights 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 required travel and health documents for your Northern Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Northern Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from California to Northern Ireland

Compare and see reviews for airlines that fly from California to Northern Ireland with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $583	Free Cancellation	Rating 6.7 8,095 reviews		Search British Airways flights

Why use momondo?

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

Finding the right flight to Northern Ireland from California is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Northern Ireland quick and easy, saving you time and money.

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

All flight searches from California to Northern Ireland on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between California and Northern Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from California to Northern Ireland right now. Can momondo alert me if prices change?

Price alerts on flights to Northern Ireland from California are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.