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

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

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

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

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

As of February 2026, there are 2 operators available to choose from for flights from Belfast City Airport to California.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast City Airport to California.

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

The travel and health documents you'll need for your trip to California 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 California. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£384 Cheap Flights from Belfast City Airport to California in 2026

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Find the cheapest flights from Belfast City Airport to California

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

06:30 - 13:50

BHD

SFO

15h 20m

1 stop

13:28 - 15:20

SFO

BHD

17h 52m

2 stops

£601British Airways

Fri, 24 Apr - Tue, 28 Apr

19:35 - 13:50

BHD

SFO

26h 15m

1 stop

13:28 - 15:20

SFO

BHD

17h 52m

2 stops

£602British Airways

Fri, 24 Apr - Tue, 28 Apr

20:10 - 22:49

BHD

SFO

34h 39m

2 stops

16:15 - 18:55

SFO

BHD

18h 40m

2 stops

£607British Airways

Fri, 24 Apr - Tue, 28 Apr

06:30 - 13:50

BHD

SFO

15h 20m

1 stop

16:45 - 18:45

SFO

BHD

18h 00m

2 stops

£624British Airways

Mon, 18 May - Mon, 1 Jun

06:30 - 19:31

BHD

SFO

21h 01m

2 stops

13:35 - 17:30

SFO

BHD

19h 55m

2 stops

£643Multiple Airlines

Mon, 18 May - Mon, 1 Jun

09:50 - 11:45

BHD

SFO

33h 55m

1 stop

13:45 - 09:20

SFO

BHD

35h 35m

1 stop

£646KLM

Fri, 1 May - Sat, 16 May

09:50 - 20:35

BHD

LAX

18h 45m

2 stops

09:43 - 09:20

LAX

BHD

15h 37m

2 stops

£651KLM

Wed, 1 Apr - Thu, 23 Apr

11:35 - 20:30

BHD

LAX

16h 55m

1 stop

20:20 - 19:25

LAX

BHD

15h 05m

1 stop

£659American Airlines

Wed, 1 Apr - Thu, 23 Apr

06:35 - 22:00

BHD

LAX

22h 25m

2 stops

08:30 - 18:45

LAX

BHD

26h 15m

2 stops

£706Multiple Airlines

Wed, 25 Mar - Wed, 1 Apr

09:50 - 00:02

BHD

LAS

22h 12m

2 stops

23:36 - 09:20

LAS

BHD

25h 44m

2 stops

£904Virgin Atlantic

Fri, 26 Jun - Fri, 3 Jul

British Airways flights from Belfast City Airport to California

Our best British Airways deals on Belfast City Airport to California flight tickets

British Airways

24 Apr

BHD06:30Belfast City

15h 20m

1 stop

SFO13:50San Francisco

28 Apr

SFO13:28San Francisco

17h 52m

2 stops

BHD15:20Belfast City

£601

British Airways

24 Apr

BHD19:35Belfast City

26h 15m

1 stop

SFO13:50San Francisco

28 Apr

SFO13:28San Francisco

17h 52m

2 stops

BHD15:20Belfast City

£602

British Airways

24 Apr

BHD20:10Belfast City

34h 39m

2 stops

SFO22:49San Francisco

28 Apr

SFO16:15San Francisco

18h 40m

2 stops

BHD18:55Belfast City

£607

KLM flights from Belfast City Airport to California

Our best KLM deals on Belfast City Airport to California flight tickets

KLM

1 May

BHD09:50Belfast City

33h 55m

1 stop

SFO11:45San Francisco

16 May

SFO13:45San Francisco

35h 35m

1 stop

BHD09:20Belfast City

£646

KLM

1 Apr

BHD09:50Belfast City

18h 45m

2 stops

LAX20:35Los Angeles

23 Apr

LAX09:43Los Angeles

15h 37m

2 stops

BHD09:20Belfast City

£651

KLM

21 May

BHD09:50Belfast City

33h 55m

1 stop

SFO11:45San Francisco

2 Jun

SFO13:45San Francisco

35h 35m

1 stop

BHD09:20Belfast City

£671

momondo Fare Finder

Use the filters below to find and compare flights from Belfast City Airport to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 24/4

06:30-13:50

1 stop15h 20m

San Francisco

Tue 28/4

13:28-15:20

2 stops17h 52m

£601

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 24/4

19:35-13:50

1 stop26h 15m

San Francisco

Tue 28/4

13:28-15:20

2 stops17h 52m

£602

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 24/4

20:10-22:49

2 stops34h 39m

San Francisco

Tue 28/4

16:15-18:55

2 stops18h 40m

£607

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 18/5

06:30-13:50

1 stop15h 20m

San Francisco

Mon 1/6

16:45-18:45

2 stops18h 00m

£624

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 18/5

06:30-19:31

2 stops21h 01m

San Francisco

Mon 1/6

13:35-17:30

2 stops19h 55m

£643

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 1/5

09:50-11:45

1 stop33h 55m

San Francisco

Sat 16/5

13:45-09:20

1 stop35h 35m

£646

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Wed 1/4

09:50-20:35

2 stops18h 45m

Los Angeles

Thu 23/4

09:43-09:20

2 stops15h 37m

£651

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Wed 1/4

11:35-20:30

1 stop16h 55m

Los Angeles

Thu 23/4

20:20-19:25

1 stop15h 05m

£659

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Wed 25/3

06:35-22:00

2 stops22h 25m

Los Angeles

Wed 1/4

08:30-18:45

2 stops26h 15m

£706

BelfastLas Vegas

BHD - LAS

BHDLAS

Belfast City

Fri 26/6

09:50-00:02

2 stops22h 12m

Las Vegas Harry Reid Intl

Fri 3/7

23:36-09:20

2 stops25h 44m

£904

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 City Airport 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 February, then departing from Belfast City Airport during the month March is also very affordable. Most momondo users find prices during this month for around £459.

Can stopping save me money on Belfast City Airport to California flights?

You could potentially save up to 3% on your flight if you consider stops on a Belfast City Airport to California flight.

Cheap Belfast City Airport to California flight deals and tips

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

Fastest flight time	15h 20m
Direct flights	None

The fastest flight from Belfast City Airport to California takes 15h 20m

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

Search flight deals

When did momondo last update prices for flights from Belfast City Airport to California?
Prices for flights from Belfast City Airport to California were last updated today.
How many operators does momondo search for flights from Belfast City Airport to California?
As of February 2026, there are 2 operators available to choose from for flights from Belfast City Airport to California.
How old do you have to be to fly from Belfast City Airport to California?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast City Airport to California.
What documentation or ID do you need to fly to California?
The travel and health documents you'll need for your trip to California 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 California. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Belfast City Airport to California

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

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £385	Free Cancellation	Rating 6.7 7,762 reviews		Search British Airways flights
KLM	PriceFrom £502	Free Cancellation	Rating 7.7 1,460 reviews		Search KLM flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to California from Belfast.

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

Yes. momondo allows you to filter the results for Belfast to California flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Belfast and California by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Belfast to California flights. All you need is a valid email address and we will do the rest; it is that quick and easy.