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

British Airways, Aer Lingus, and American Airlines 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 August 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.

£358 Cheap Flights from Belfast to California in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Belfast to California

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:35 - 18:25

BHD

LAX

16h 50m

1 stop

19:26 - 20:35

LAX

BHD

17h 09m

2 stops

£589British Airways

Thu, 1 Oct - Fri, 9 Oct

09:35 - 18:25

BHD

LAX

16h 50m

1 stop

21:00 - 18:10

LAX

BHD

13h 10m

1 stop

£589British Airways

Thu, 1 Oct - Fri, 9 Oct

20:55 - 16:30

BFS

LAX

27h 35m

2 stops

17:30 - 23:20

LAX

BFS

21h 50m

2 stops

£600Multiple Airlines

Mon, 14 Sep - Mon, 21 Sep

06:30 - 13:50

BHD

LAX

15h 20m

1 stop

17:10 - 15:30

LAX

BHD

14h 20m

1 stop

£601British Airways

Mon, 31 Aug - Mon, 21 Sep

06:30 - 13:50

BHD

SFO

15h 20m

1 stop

19:30 - 19:25

SFO

BHD

15h 55m

1 stop

£609British Airways

Fri, 4 Sep - Mon, 7 Sep

17:30 - 14:45

BHD

LAX

29h 15m

1 stop

06:10 - 16:55

LAX

BHD

26h 45m

2 stops

£613KLM

Mon, 31 Aug - Mon, 21 Sep

06:30 - 13:50

BHD

SFO

15h 20m

1 stop

16:35 - 17:30

SFO

BHD

16h 55m

1 stop

£614British Airways

Mon, 31 Aug - Mon, 21 Sep

17:30 - 16:02

BHD

LAX

30h 32m

2 stops

06:40 - 09:20

LAX

BHD

18h 40m

2 stops

£618Virgin Atlantic

Mon, 31 Aug - Mon, 21 Sep

20:25 - 13:50

BHD

SFO

25h 25m

1 stop

16:35 - 15:40

SFO

BHD

15h 05m

1 stop

£620British Airways

Tue, 13 Oct - Wed, 21 Oct

20:25 - 13:50

BHD

SFO

25h 25m

1 stop

12:59 - 13:35

SFO

BHD

16h 36m

2 stops

£623British Airways

Tue, 13 Oct - Wed, 21 Oct

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British Airways flights from Belfast to California

Our best British Airways deals on Belfast to California flight tickets

British Airways

1 Oct

BHD09:35Belfast City

16h 50m

1 stop

LAX18:25Los Angeles

9 Oct

LAX19:26Los Angeles

17h 09m

2 stops

BHD20:35Belfast City

£589

British Airways

1 Oct

BHD09:35Belfast City

16h 50m

1 stop

LAX18:25Los Angeles

9 Oct

LAX21:00Los Angeles

13h 10m

1 stop

BHD18:10Belfast City

£589

British Airways

31 Aug

BHD06:30Belfast City

15h 20m

1 stop

LAX13:50Los Angeles

21 Sept

LAX17:10Los Angeles

14h 20m

1 stop

BHD15:30Belfast City

£601

Aer Lingus flights from Belfast to California

Our best Aer Lingus deals on Belfast to California flight tickets

Aer Lingus

1 Oct

BHD20:35Belfast City

29h 50m

2 stops

LAX18:25Los Angeles

9 Oct

LAX20:10Los Angeles

16h 45m

2 stops

BHD20:55Belfast City

£681

Aer Lingus

26 Aug

BHD07:00Belfast City

24h 00m

3 stops

LAS23:00Las Vegas Harry Reid Intl

2 Sept

LAS13:16Las Vegas Harry Reid Intl

22h 49m

3 stops

BHD20:05Belfast City

£1,039

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Thu 1/10

09:35-18:25

1 stop16h 50m

Los Angeles

Fri 9/10

19:26-20:35

2 stops17h 09m

£589

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Thu 1/10

09:35-18:25

1 stop16h 50m

Los Angeles

Fri 9/10

21:00-18:10

1 stop13h 10m

£589

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Mon 14/9

20:55-16:30

2 stops27h 35m

Los Angeles

Mon 21/9

17:30-23:20

2 stops21h 50m

£600

Fastest return journey

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Mon 31/8

06:30-13:50

1 stop15h 20m

Los Angeles

Mon 21/9

17:10-15:30

1 stop14h 20m

£601

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 4/9

06:30-13:50

1 stop15h 20m

San Francisco

Mon 7/9

19:30-19:25

1 stop15h 55m

£609

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Mon 31/8

17:30-14:45

1 stop29h 15m

Los Angeles

Mon 21/9

06:10-16:55

2 stops26h 45m

£613

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 31/8

06:30-13:50

1 stop15h 20m

San Francisco

Mon 21/9

16:35-17:30

1 stop16h 55m

£614

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Mon 31/8

17:30-16:02

2 stops30h 32m

Los Angeles

Mon 21/9

06:40-09:20

2 stops18h 40m

£618

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 13/10

20:25-13:50

1 stop25h 25m

San Francisco

Wed 21/10

16:35-15:40

1 stop15h 05m

£620

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 13/10

20:25-13:50

1 stop25h 25m

San Francisco

Wed 21/10

12:59-13:35

2 stops16h 36m

£623

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 October, then departing from Belfast during the month January is also very affordable. Most momondo users find prices during this month for around £529.

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	14h 10m
Direct flights	None

The fastest flight from Belfast to California takes 14h 10m

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 August 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 £454	Free Cancellation	Rating 6.7 8,135 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.