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

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

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

Prices for flights from Belfast to California were last updated today.

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

There is 1 operator available for flights from Belfast to California as of June 2026.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Belfast to California.

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

The necessary travel and health documents for your California trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£333 Cheap Flights from Belfast to California in 2026

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Find the cheapest flights from Belfast to California

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

09:40 - 22:03

BHD

LAX

20h 23m

2 stops

16:15 - 15:20

LAX

BHD

15h 05m

1 stop

£554Iberia

Tue, 14 Jul - Tue, 21 Jul

06:30 - 18:47

BHD

ONT

20h 17m

2 stops

07:06 - 17:35

ONT

BHD

26h 29m

2 stops

£567British Airways

Fri, 4 Sep - Tue, 8 Sep

17:30 - 11:45

BHD

SFO

26h 15m

1 stop

17:07 - 16:55

SFO

BHD

15h 48m

2 stops

£593KLM

Wed, 8 Jul - Wed, 15 Jul

06:30 - 18:00

BHD

SFO

19h 30m

2 stops

16:35 - 18:15

SFO

BHD

17h 40m

1 stop

£597American Airlines

Thu, 3 Sep - Sat, 19 Sep

10:20 - 11:10

BHD

LAS

32h 50m

2 stops

20:25 - 16:55

LAS

BHD

12h 30m

1 stop

£597Multiple Airlines

Tue, 1 Sep - Mon, 21 Sep

17:30 - 11:50

BHD

LAX

26h 20m

1 stop

16:45 - 16:55

LAX

BHD

16h 10m

1 stop

£599Virgin Atlantic

Thu, 23 Jul - Mon, 27 Jul

17:30 - 20:06

BHD

SFO

34h 36m

2 stops

07:00 - 09:20

SFO

BHD

18h 20m

2 stops

£608KLM

Tue, 7 Jul - Tue, 14 Jul

09:40 - 20:37

BHD

LAS

18h 57m

2 stops

15:46 - 15:30

LAS

BHD

15h 44m

2 stops

£615American Airlines

Tue, 1 Sep - Mon, 21 Sep

21:10 - 15:28

BFS

LAX

26h 18m

2 stops

11:05 - 19:15

LAX

BFS

24h 10m

2 stops

£631Multiple Airlines

Wed, 8 Jul - Wed, 15 Jul

09:50 - 18:35

BHD

LAS

16h 45m

1 stop

20:25 - 16:55

LAS

BHD

12h 30m

1 stop

£636Virgin Atlantic

Tue, 1 Sep - Mon, 21 Sep

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British Airways flights from Belfast to California

Our best British Airways deals on Belfast to California flight tickets

British Airways

4 Sept

BHD06:30Belfast City

20h 17m

2 stops

ONT18:47Ontario

8 Sept

ONT07:06Ontario

26h 29m

2 stops

BHD17:35Belfast City

£567

British Airways

4 Sept

BHD06:30Belfast City

19h 30m

2 stops

SFO18:00San Francisco

19 Sept

SFO13:29San Francisco

17h 36m

2 stops

BHD15:05Belfast City

£568

British Airways

4 Sept

BHD06:30Belfast City

19h 30m

2 stops

SFO18:00San Francisco

19 Sept

SFO19:30San Francisco

14h 45m

1 stop

BHD18:15Belfast City

£570

Iberia flights from Belfast to California

Our best Iberia deals on Belfast to California flight tickets

Iberia

14 Jul

BHD09:40Belfast City

20h 23m

2 stops

LAX22:03Los Angeles

21 Jul

LAX16:15Los Angeles

15h 05m

1 stop

BHD15:20Belfast City

£554

Iberia

14 Jul

BHD16:25Belfast City

27h 15m

1 stop

LAX11:40Los Angeles

21 Jul

LAX18:10Los Angeles

33h 50m

1 stop

BHD12:00Belfast City

£803

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Tue 14/7

09:40-22:03

2 stops20h 23m

Los Angeles

Tue 21/7

16:15-15:20

1 stop15h 05m

£554

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Fri 4/9

06:30-18:47

2 stops20h 17m

Ontario

Tue 8/9

07:06-17:35

2 stops26h 29m

£567

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 8/7

17:30-11:45

1 stop26h 15m

San Francisco

Wed 15/7

17:07-16:55

2 stops15h 48m

£593

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 3/9

06:30-18:00

2 stops19h 30m

San Francisco

Sat 19/9

16:35-18:15

1 stop17h 40m

£597

BelfastLas Vegas

BHD - LAS

BHDLAS

Belfast City

Tue 1/9

10:20-11:10

2 stops32h 50m

Las Vegas Harry Reid Intl

Mon 21/9

20:25-16:55

1 stop12h 30m

£597

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Thu 23/7

17:30-11:50

1 stop26h 20m

Los Angeles

Mon 27/7

16:45-16:55

1 stop16h 10m

£599

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 7/7

17:30-20:06

2 stops34h 36m

San Francisco

Tue 14/7

07:00-09:20

2 stops18h 20m

£608

BelfastLas Vegas

BHD - LAS

BHDLAS

Belfast City

Tue 1/9

09:40-20:37

2 stops18h 57m

Las Vegas Harry Reid Intl

Mon 21/9

15:46-15:30

2 stops15h 44m

£615

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Wed 8/7

21:10-15:28

2 stops26h 18m

Los Angeles

Wed 15/7

11:05-19:15

2 stops24h 10m

£631

Fastest return journey

BelfastLas Vegas

BHD - LAS

BHDLAS

Belfast City

Tue 1/9

09:50-18:35

1 stop16h 45m

Las Vegas Harry Reid Intl

Mon 21/9

20:25-16:55

1 stop12h 30m

£636

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 Belfast 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

What is the cheapest month to fly to California?

If you are unable to visit California during the month of March, then departing from Belfast during the month August is also very affordable. Most momondo users find prices during this month for around £428.

Cheap Belfast to California flight deals and tips

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

Fastest flight time	16h 45m
Direct flights	None

The fastest flight from Belfast to California takes 16h 45m

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

Search flight deals

Frequently asked questions about flying from Belfast to California

When did momondo last update prices for flights from Belfast to California?
Prices for flights from Belfast to California were last updated today.
How many operators does momondo search for flights from Belfast to California?
There is 1 operator available for flights from Belfast to California as of June 2026.
How old do you have to be to fly from Belfast to California?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Belfast to California.
What documentation or ID do you need to fly to California?
The necessary travel and health documents for your California trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Belfast to California

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

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £428	Free Cancellation	Rating 6.7 8,047 reviews		Search British Airways flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Belfast to California . Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Belfast to California.

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

Price alerts on flights to California from Belfast 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.