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

Finnair and British Airways are the most popular carriers operating from Belfast 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 Belfast according to our data. British Airways is the first choice among our users, with 92% 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 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 are 3 operators available for flights from Belfast to California as of November 2025.

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.

£381 Cheap Flights from Belfast to California in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Belfast to California

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:35 - 20:15BHD-SNA

20h 40m2 stops

13:43 - 14:15SNA-BHD

17h 32m2 stops

£578American Airlines

Find Deal

lun, 9 mar - mer, 11 mar

06:35 - 20:15BHD-SNA

20h 40m2 stops

13:43 - 14:15SNA-BHD

17h 32m2 stops

£582American Airlines

Find Deal

lun, 9 mar - mer, 11 mar

11:05 - 22:25BHD-SFO

19h 20m2 stops

13:33 - 14:15SFO-BHD

17h 42m2 stops

£611British Airways

Find Deal

gio, 5 mar - lun, 9 mar

06:30 - 20:25BFS-LAX

21h 55m1 stop

18:00 - 20:10LAX-BFS

18h 10m1 stop

£624Multiple Airlines

Find Deal

ven, 21 nov - mar, 25 nov

06:45 - 18:25BHD-LAX

19h 40m1 stop

17:45 - 16:45LAX-BHD

15h 00m1 stop

£631British Airways

Find Deal

ven, 21 nov - mar, 25 nov

06:40 - 17:50BFS-LAS

43h 10m2 stops

10:17 - 16:15LAS-BFS

21h 58m2 stops

£687Multiple Airlines

Find Deal

lun, 1 dic - lun, 8 dic

17:20 - 11:45BHD-LAX

26h 25m1 stop

11:40 - 16:50LAX-BHD

21h 10m2 stops

£704Virgin Atlantic

Find Deal

ven, 21 nov - mar, 25 nov

06:30 - 18:05BHD-SNA

19h 35m2 stops

12:45 - 16:50SNA-BHD

20h 05m2 stops

£746Delta

Find Deal

ven, 21 nov - mar, 25 nov

06:30 - 12:50BHD-SFO

13h 20m1 stop

13:45 - 21:20SFO-BHD

23h 35m1 stop

£825Virgin Atlantic

Find Deal

gio, 26 mar - lun, 30 mar

06:30 - 19:28BHD-SFO

19h 58m2 stops

13:00 - 16:55SFO-BHD

19h 55m2 stops

£831Delta

Find Deal

gio, 26 mar - lun, 30 mar

American Airlines flights from Belfast to California

Our best American Airlines deals on Belfast to California flight tickets

American Airlines

9 Mar

BHD06:35Belfast City

20h 40m

2 stops

SNA20:15Santa Ana J. Wayne/Orange Cnty

11 Mar

SNA13:43Santa Ana J. Wayne/Orange Cnty

17h 32m

2 stops

BHD14:15Belfast City

£578

Find similar

American Airlines

9 Mar

BHD06:35Belfast City

20h 40m

2 stops

SNA20:15Santa Ana J. Wayne/Orange Cnty

11 Mar

SNA13:43Santa Ana J. Wayne/Orange Cnty

17h 32m

2 stops

BHD14:15Belfast City

£582

Find similar

American Airlines

9 Mar

BHD09:15Belfast City

20h 15m

2 stops

SNA22:30Santa Ana J. Wayne/Orange Cnty

11 Mar

SNA13:43Santa Ana J. Wayne/Orange Cnty

17h 32m

2 stops

BHD14:15Belfast City

£582

Find similar

Virgin Atlantic flights from Belfast to California

Our best Virgin Atlantic deals on Belfast to California flight tickets

Virgin Atlantic

21 Nov

BHD17:20Belfast City

26h 25m

1 stop

LAX11:45Los Angeles

25 Nov

LAX11:40Los Angeles

21h 10m

2 stops

BHD16:50Belfast City

£704

Find similar

Virgin Atlantic

26 Mar

BHD06:30Belfast City

13h 20m

1 stop

SFO12:50San Francisco

30 Mar

SFO13:45San Francisco

23h 35m

1 stop

BHD21:20Belfast City

£825

Find similar

Virgin Atlantic

26 Mar

BHD06:30Belfast City

13h 20m

1 stop

SFO12:50San Francisco

30 Mar

SFO13:45San Francisco

19h 10m

1 stop

BHD16:55Belfast City

£827

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BelfastSanta Ana

BHD - SNA

BHDSNA

Belfast City

lun 9/3

06:35-20:15

2 stops20h 40m

Santa Ana J. Wayne/Orange Cnty

mer 11/3

13:43-14:15

2 stops17h 32m

£578

BelfastSanta Ana

BHD - SNA

BHDSNA

Belfast City

lun 9/3

06:35-20:15

2 stops20h 40m

Santa Ana J. Wayne/Orange Cnty

mer 11/3

13:43-14:15

2 stops17h 32m

£582

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

gio 5/3

11:05-22:25

2 stops19h 20m

San Francisco

lun 9/3

13:33-14:15

2 stops17h 42m

£611

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

ven 21/11

06:30-20:25

1 stop21h 55m

Los Angeles

mar 25/11

18:00-20:10

1 stop18h 10m

£624

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

ven 21/11

06:45-18:25

1 stop19h 40m

Los Angeles

mar 25/11

17:45-16:45

1 stop15h 00m

£631

BelfastLas Vegas

BFS - LAS

BFSLAS

Belfast Intl

lun 1/12

06:40-17:50

2 stops43h 10m

Las Vegas Harry Reid Intl

lun 8/12

10:17-16:15

2 stops21h 58m

£687

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

ven 21/11

17:20-11:45

1 stop26h 25m

Los Angeles

mar 25/11

11:40-16:50

2 stops21h 10m

£704

BelfastSanta Ana

BHD - SNA

BHDSNA

Belfast City

ven 21/11

06:30-18:05

2 stops19h 35m

Santa Ana J. Wayne/Orange Cnty

mar 25/11

12:45-16:50

2 stops20h 05m

£746

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

gio 26/3

06:30-12:50

1 stop13h 20m

San Francisco

lun 30/3

13:45-21:20

1 stop23h 35m

£825

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

gio 26/3

06:30-19:28

2 stops19h 58m

San Francisco

lun 30/3

13:00-16:55

2 stops19h 55m

£831

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 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 day to depart on your flight to California?

The cheapest day to depart on your flight to California is on a Saturday when prices can be found for as low as £563. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from Belfast because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £828.

What is the cheapest time of day to depart on your flight to California?

The cheapest time of day to fly to California is in the afternoon when flights can be purchased for as low as £545. In contrast, the most expensive time of day to depart to California is in the morning when prices are around £635.

Cheap Belfast to California flight deals and tips

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

Direct flights	None

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

Search flight deals

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 are 3 operators available for flights from Belfast to California as of November 2025.
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 £379	Free Cancellation	Rating 6.7 7,496 reviews	Search British Airways flights
American Airlines	PriceFrom £486	Free Cancellation	Rating 7.2 11,042 reviews	Search American Airlines flights
KLM	PriceFrom £520	Free Cancellation	Rating 7.7 1,405 reviews	Search KLM 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.