What is the cheapest airline that flies from California to Belfast?

British Airways and Air France are the most popular carriers operating from California to Belfast

How long does it take to fly to Belfast?

Flight times vary depending on what airport in California you fly out of and what airport in Belfast you fly into. For example, flying from San Francisco to Belfast Intl Airport takes 16h on average. On the other hand, flying from Los Angeles to Belfast Intl Airport takes 16h 35m 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.

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

Prices for flights from California to Belfast are updated daily.

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

The number of operators available for flights from California to Belfast is 1 as of September 2026.

How old do you have to be to fly from California to Belfast?

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 California to Belfast.

What documentation or ID do you need to fly to Belfast?

The travel and health documents you'll need for your trip to Belfast may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$338 Cheap Flights from California to Belfast in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from California to Belfast

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:20 am - 8:30 pmLAX Los Angeles-BHD Belfast City

26h 10m2 stops Casablanca Mohamed V London Gatwick

7:20 am - 8:20 amBHD Belfast City-LAX Los Angeles

32h 00m2 stops London Gatwick Casablanca Mohamed V

$814Multiple Airlines

Fri, Oct 16 - Mon, Oct 26

8:50 pm - 7:05 pmLAX Los Angeles-BHD Belfast City

14h 15m1 stop London Heathrow

6:35 am - 1:25 pmBHD Belfast City-LAX Los Angeles

14h 50m1 stop London Heathrow

$884British Airways

Wed, Dec 9 - Sat, Dec 12

7:30 pm - 8:35 pmSFO San Francisco-BHD Belfast City

17h 05m1 stop London Heathrow

6:30 am - 1:50 pmBHD Belfast City-SFO San Francisco

15h 20m1 stop London Heathrow

$888British Airways

Tue, Sep 29 - Tue, Oct 6

1:50 pm - 2:35 pmLAX Los Angeles-BHD Belfast City

16h 45m2 stops New York John F Kennedy Intl London Heathrow

6:35 am - 1:25 pmBHD Belfast City-LAX Los Angeles

14h 50m1 stop London Heathrow

$889British Airways

Wed, Dec 9 - Sat, Dec 12

6:00 pm - 6:35 pmLAX Los Angeles-BHD Belfast City

16h 35m1 stop London Heathrow

6:45 am - 6:30 pmBHD Belfast City-LAX Los Angeles

19h 45m1 stop London Heathrow

$896British Airways

Mon, Feb 1 - Fri, Feb 5

6:00 pm - 6:40 pmLAX Los Angeles-BHD Belfast City

16h 40m1 stop London Heathrow

8:00 pm - 1:25 pmBHD Belfast City-LAX Los Angeles

25h 25m1 stop London Heathrow

$896British Airways

Tue, Dec 1 - Thu, Dec 3

6:00 pm - 6:35 pmLAX Los Angeles-BHD Belfast City

16h 35m1 stop London Heathrow

6:45 am - 6:30 pmBHD Belfast City-LAX Los Angeles

19h 45m1 stop London Heathrow

$897British Airways

Mon, Feb 1 - Fri, Feb 5

6:00 pm - 6:40 pmLAX Los Angeles-BHD Belfast City

16h 40m1 stop London Heathrow

8:00 pm - 1:25 pmBHD Belfast City-LAX Los Angeles

25h 25m1 stop London Heathrow

$897British Airways

Tue, Dec 1 - Thu, Dec 3

3:30 pm - 4:45 pmLAX Los Angeles-BHD Belfast City

17h 15m1 stop London Heathrow

8:00 pm - 3:50 pmBHD Belfast City-LAX Los Angeles

27h 50m1 stop London Heathrow

$897British Airways

Tue, Dec 1 - Thu, Dec 3

7:30 pm - 6:55 pmSFO San Francisco-BHD Belfast City

15h 25m1 stop London Heathrow

6:30 am - 6:15 pmBHD Belfast City-SFO San Francisco

19h 45m2 stops London Heathrow Chicago O'Hare Intl

$908American Airlines

Tue, Sep 29 - Tue, Oct 6

Cheap last minute flights

Enter your travel dates to find the best prices.

8:55 pm - 6:55 pmLAX Los Angeles-BHD Belfast City

14h 00m1 stop London Heathrow

6:30 am - 1:50 pmBHD Belfast City-LAX Los Angeles

15h 20m1 stop London Heathrow

$1,099British Airways

Tue, Sep 8 - Wed, Sep 16

5:10 pm - 6:45 pmLAX Los Angeles-BHD Belfast City

17h 35m1 stop London Heathrow

6:30 am - 6:20 pmBHD Belfast City-LAX Los Angeles

19h 50m1 stop London Heathrow

$1,107British Airways

Mon, Sep 7 - Thu, Sep 17

8:55 pm - 8:35 pmLAX Los Angeles-BHD Belfast City

15h 40m1 stop London Heathrow

6:30 am - 1:50 pmBHD Belfast City-LAX Los Angeles

15h 20m1 stop London Heathrow

$1,107British Airways

Mon, Sep 7 - Wed, Sep 16

5:10 pm - 6:55 pmLAX Los Angeles-BHD Belfast City

17h 45m1 stop London Heathrow

6:30 am - 6:20 pmBHD Belfast City-LAX Los Angeles

19h 50m1 stop London Heathrow

$1,107British Airways

Tue, Sep 8 - Thu, Sep 17

1:50 pm - 9:20 amLAX Los Angeles-BHD Belfast City

35h 30m1 stop Amsterdam Schiphol

9:50 am - 11:50 amBHD Belfast City-LAX Los Angeles

34h 00m1 stop Amsterdam Schiphol

$1,117Delta

Wed, Sep 9 - Mon, Sep 14

4:45 pm - 9:20 amLAX Los Angeles-BHD Belfast City

32h 35m1 stop Amsterdam Schiphol

5:30 pm - 11:50 amBHD Belfast City-LAX Los Angeles

26h 20m1 stop Amsterdam Schiphol

$1,117Delta

Sun, Sep 6 - Tue, Sep 15

1:50 pm - 4:55 pmLAX Los Angeles-BHD Belfast City

19h 05m1 stop Amsterdam Schiphol

5:30 pm - 11:50 amBHD Belfast City-LAX Los Angeles

26h 20m1 stop Amsterdam Schiphol

$1,117Delta

Mon, Sep 7 - Mon, Sep 14

1:50 pm - 9:20 amLAX Los Angeles-BHD Belfast City

35h 30m1 stop Amsterdam Schiphol

9:50 am - 11:50 amBHD Belfast City-LAX Los Angeles

34h 00m1 stop Amsterdam Schiphol

$1,117Delta

Sun, Sep 6 - Thu, Sep 17

1:50 pm - 9:20 amLAX Los Angeles-BHD Belfast City

35h 30m1 stop Amsterdam Schiphol

5:30 pm - 11:50 amBHD Belfast City-LAX Los Angeles

26h 20m1 stop Amsterdam Schiphol

$1,117Delta

Wed, Sep 9 - Tue, Sep 15

1:50 pm - 9:20 amLAX Los Angeles-BHD Belfast City

35h 30m1 stop Amsterdam Schiphol

5:30 pm - 11:50 amBHD Belfast City-LAX Los Angeles

26h 20m1 stop Amsterdam Schiphol

$1,117Delta

Tue, Sep 8 - Tue, Sep 15

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British Airways flights from California to Belfast

Our best British Airways deals on California to Belfast flight tickets

British Airways

Dec 9

LAX8:50 pmLos Angeles

14h 15m

1 stop

BHD7:05 pmBelfast City

Dec 12

BHD6:35 amBelfast City

14h 50m

1 stop

LAX1:25 pmLos Angeles

$884

British Airways

Sep 29

SFO7:30 pmSan Francisco

17h 05m

1 stop

BHD8:35 pmBelfast City

Oct 6

BHD6:30 amBelfast City

15h 20m

1 stop

SFO1:50 pmSan Francisco

$888

British Airways

Dec 9

LAX1:50 pmLos Angeles

16h 45m

2 stops

BHD2:35 pmBelfast City

Dec 12

BHD6:35 amBelfast City

14h 50m

1 stop

LAX1:25 pmLos Angeles

$889

KLM flights from California to Belfast

Our best KLM deals on California to Belfast flight tickets

KLM

Oct 28

LAX8:10 amLos Angeles

18h 00m

2 stops

BHD9:10 amBelfast City

Nov 2

BHD5:15 pmBelfast City

30h 49m

2 stops

LAX4:04 pmLos Angeles

$974

KLM

Oct 28

LAX8:10 amLos Angeles

18h 00m

2 stops

BHD9:10 amBelfast City

Nov 2

BHD5:15 pmBelfast City

30h 49m

2 stops

LAX4:04 pmLos Angeles

$975

KLM

Oct 28

LAX8:10 amLos Angeles

18h 00m

2 stops

BHD9:10 amBelfast City

Nov 2

BHD5:15 pmBelfast City

30h 49m

2 stops

LAX4:04 pmLos Angeles

$976

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesBelfast

LAX Los Angeles - BHD Belfast City

LAXBHD

Los Angeles

Fri 10/16

10:20 am-8:30 pm

2 stops26h 10m

Belfast City

Mon 10/26

7:20 am-8:20 am

2 stops32h 00m

$814

Quickest round-trip

Los AngelesBelfast

LAX Los Angeles - BHD Belfast City

LAXBHD

Los Angeles

Wed 12/9

8:50 pm-7:05 pm

1 stop14h 15m

Belfast City

Sat 12/12

6:35 am-1:25 pm

1 stop14h 50m

$884

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Tue 9/29

7:30 pm-8:35 pm

1 stop17h 05m

Belfast City

Tue 10/6

6:30 am-1:50 pm

1 stop15h 20m

$888

Los AngelesBelfast

LAX Los Angeles - BHD Belfast City

LAXBHD

Los Angeles

Wed 12/9

1:50 pm-2:35 pm

2 stops16h 45m

Belfast City

Sat 12/12

6:35 am-1:25 pm

1 stop14h 50m

$889

Los AngelesBelfast

LAX Los Angeles - BHD Belfast City

LAXBHD

Los Angeles

Mon 2/1

6:00 pm-6:35 pm

1 stop16h 35m

Belfast City

Fri 2/5

6:45 am-6:30 pm

1 stop19h 45m

$896

Los AngelesBelfast

LAX Los Angeles - BHD Belfast City

LAXBHD

Los Angeles

Tue 12/1

6:00 pm-6:40 pm

1 stop16h 40m

Belfast City

Thu 12/3

8:00 pm-1:25 pm

1 stop25h 25m

$896

Los AngelesBelfast

LAX Los Angeles - BHD Belfast City

LAXBHD

Los Angeles

Mon 2/1

6:00 pm-6:35 pm

1 stop16h 35m

Belfast City

Fri 2/5

6:45 am-6:30 pm

1 stop19h 45m

$897

Los AngelesBelfast

LAX Los Angeles - BHD Belfast City

LAXBHD

Los Angeles

Tue 12/1

6:00 pm-6:40 pm

1 stop16h 40m

Belfast City

Thu 12/3

8:00 pm-1:25 pm

1 stop25h 25m

$897

Los AngelesBelfast

LAX Los Angeles - BHD Belfast City

LAXBHD

Los Angeles

Tue 12/1

3:30 pm-4:45 pm

1 stop17h 15m

Belfast City

Thu 12/3

8:00 pm-3:50 pm

1 stop27h 50m

$897

San FranciscoBelfast

SFO San Francisco - BHD Belfast City

SFOBHD

San Francisco

Tue 9/29

7:30 pm-6:55 pm

1 stop15h 25m

Belfast City

Tue 10/6

6:30 am-6:15 pm

2 stops19h 45m

$908

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 Belfast

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 Belfast?

In general, August is the cheapest month to fly from California to Belfast. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you don’t want to visit Belfast in August, then you should wait until January to fly from California, when ticket prices are also cheap, with an average price of $0.

Cheap California to Belfast flight deals and tips

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

Best Price Found	$338
Fastest flight time	14h 35m
Direct flights	None

The best one-way flight to Belfast from California in the past 72 hours is $338. The best round-trip flight deal from California to Belfast found on momondo in the last 72 hours is $814.

The fastest flight from California to Belfast takes 14h 35m

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

Search flight deals

Frequently asked questions about flying from California to Belfast

When did momondo last update prices for flights from California to Belfast?
Prices for flights from California to Belfast are updated daily.
How many operators does momondo search for flights from California to Belfast?
The number of operators available for flights from California to Belfast is 1 as of September 2026.
How old do you have to be to fly from California to Belfast?
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 California to Belfast.
What documentation or ID do you need to fly to Belfast?
The travel and health documents you'll need for your trip to Belfast may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from California to Belfast

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

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $583	Free Cancellation	Rating 6.7 8,198 reviews		Search British Airways flights

Why use momondo?

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

It is quick and easy to find California to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.

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

Yes. momondo enables you to select and highlight flights to Belfast from California with this policy.

How can momondo help me find flights from California to Belfast?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Belfast from California.

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

If you are not ready to book a flight from California to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.

An easier way to manage your Belfast trip

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Fly into one of these airports located in Belfast

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Cheap flights from California to Belfast from $338

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 Belfast departing on 10/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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British Airways flights from California to Belfast

Our best British Airways deals on California to Belfast flight tickets

KLM flights from California to Belfast

Our best KLM deals on California to Belfast flight tickets

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How to get the cheapest flight ticket from California to Belfast

What is the cheapest month to fly to Belfast?

What is the cheapest airline that flies from California to Belfast?

How long does it take to fly to Belfast?

Cheap California to Belfast flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from California to Belfast

Best airlines flying from California to Belfast

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

Why use momondo?

An easier way to manage your Belfast trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast

Fly your favorite airline to Belfast

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Popular cities in the United Kingdom

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

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According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year