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

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

Which airlines fly to California?

British Airways, American Airlines and KLM are the top three most popular airlines that fly to California from Northern Ireland according to our data. British Airways is the first choice among our users, with 88% of people opting to fly with this airline when travelling to California. Keep in mind that there are 3 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.

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?

As of March 2026, there are 3 operators available to choose from 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.

£294 Cheap Flights from Northern Ireland to California in 2026

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British Airways flights from Northern Ireland to California

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

British Airways

15 Sept

BHD06:30Belfast City

15h 15m

1 stop

LAX13:45Los Angeles Los Angeles

29 Sept

LAX20:55Los Angeles Los Angeles

14h 00m

1 stop

BHD18:55Belfast City

£552

British Airways

5 Aug

BHD10:05Belfast City

17h 52m

2 stops

LAX19:57Los Angeles Los Angeles

12 Aug

LAX20:55Los Angeles Los Angeles

14h 55m

1 stop

BHD19:50Belfast City

£565

British Airways

5 Aug

BHD11:35Belfast City

16h 40m

1 stop

LAX20:15Los Angeles Los Angeles

12 Aug

LAX16:20Los Angeles Los Angeles

15h 20m

1 stop

BHD15:40Belfast City

£567

Delta flights from Northern Ireland to California

Our best Delta deals on Northern Ireland to California flight tickets

Delta

8 May

BHD09:50Belfast City

22h 00m

2 stops

LAX23:50Los Angeles Los Angeles

14 May

LAX09:25Los Angeles Los Angeles

23h 30m

2 stops

BHD16:55Belfast City

£693

Delta

22 May

BHD09:50Belfast City

22h 33m

2 stops

LAS00:23Las Vegas Harry Reid Intl

25 May

LAS20:25Las Vegas Harry Reid Intl

12h 30m

1 stop

BHD16:55Belfast City

£965

Delta

22 May

BHD09:50Belfast City

22h 33m

2 stops

LAS00:23Las Vegas Harry Reid Intl

25 May

LAS20:25Las Vegas Harry Reid Intl

12h 30m

1 stop

BHD16:55Belfast City

£1,009

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

Prices

Airlines

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

You could potentially save up to 3% 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

Fastest flight time	15h 15m
Direct flights	None

The fastest flight from Northern Ireland to California takes 15h 15m

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?
As of March 2026, there are 3 operators available to choose from 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 Airways	PriceFrom £389	Free Cancellation	Rating 6.7 7,812 reviews	Search British Airways flights
American Airlines	PriceFrom £474	Free Cancellation	Rating 7.1 11,492 reviews	Search American Airlines flights
KLM	PriceFrom £507	Free Cancellation	Rating 7.8 1,477 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.