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

KLM and British Airways 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 refresh daily.

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 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.

$469 Cheap Flights from Belfast to California in 2026/27

Find the cheapest flights from Belfast to California

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 am - 2:55 pmBHD Belfast City-SFO San Francisco

16h 25m1 stop London Heathrow

5:25 pm - 4:55 pmSFO San Francisco-BHD Belfast City

15h 30m1 stop London Heathrow

$895Iberia

Thu, Nov 26 - Thu, Dec 3

6:30 am - 9:00 amBHD Belfast City-SFO San Francisco

34h 30m2 stops London Heathrow Dallas/Fort Worth

12:00 pm - 12:45 pmSFO San Francisco-BHD Belfast City

16h 45m2 stops Los Angeles London Heathrow

$900Iberia

Thu, Nov 26 - Thu, Dec 3

6:30 am - 3:15 pmBHD Belfast City-LAX Los Angeles

16h 45m1 stop London Heathrow

4:55 pm - 3:55 pmLAX Los Angeles-BHD Belfast City

15h 00m1 stop London Heathrow

$905British Airways

Sun, Nov 22 - Mon, Nov 30

6:30 am - 1:25 pmBHD Belfast City-LAX Los Angeles

14h 55m1 stop London Heathrow

8:40 pm - 8:20 pmLAX Los Angeles-BHD Belfast City

15h 40m1 stop London Heathrow

$916British Airways

Thu, Jan 14 - Thu, Jan 21

10:15 am - 1:00 pmBHD Belfast City-LAX Los Angeles

34h 45m2 stops London Gatwick Paris Charles de Gaulle

3:20 pm - 8:30 pmLAX Los Angeles-BHD Belfast City

21h 10m2 stops Paris Charles de Gaulle London Gatwick

$917Multiple Airlines

Thu, Dec 3 - Mon, Dec 7

6:30 am - 1:25 pmBHD Belfast City-LAX Los Angeles

14h 55m1 stop London Heathrow

10:00 am - 10:55 amLAX Los Angeles-BHD Belfast City

16h 55m2 stops New York John F Kennedy Intl London Heathrow

$921British Airways

Thu, Jan 14 - Thu, Jan 21

10:15 am - 12:55 pmBHD Belfast City-SFO San Francisco

34h 40m2 stops London Gatwick Paris Charles de Gaulle

3:10 pm - 8:30 pmSFO San Francisco-BHD Belfast City

21h 20m2 stops Paris Charles de Gaulle London Gatwick

$926Multiple Airlines

Tue, Dec 1 - Tue, Dec 8

11:05 am - 10:09 pmBHD Belfast City-LAX Los Angeles

19h 04m2 stops London Heathrow Phoenix Sky Harbor Intl

12:31 pm - 12:45 pmLAX Los Angeles-BHD Belfast City

16h 14m2 stops New York John F Kennedy Intl London Heathrow

$931British Airways

Thu, Jan 14 - Thu, Jan 21

5:15 pm - 11:45 amBHD Belfast City-SFO San Francisco

26h 30m1 stop Amsterdam Schiphol

7:00 am - 9:10 amSFO San Francisco-BHD Belfast City

18h 10m2 stops New York John F Kennedy Intl Amsterdam Schiphol

$933KLM

Tue, Dec 1 - Tue, Dec 8

12:00 pm - 10:46 pmBHD Belfast City-LAX Los Angeles

18h 46m2 stops London Heathrow Dallas/Fort Worth

6:30 pm - 5:25 pmLAX Los Angeles-BHD Belfast City

14h 55m1 stop London Heathrow

$934British Airways

Sun, Nov 22 - Mon, Nov 30

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British Airways flights from Belfast to California

Our best British Airways deals on Belfast to California flight tickets

British Airways

Nov 22

BHD6:30 amBelfast City

16h 45m

1 stop

LAX3:15 pmLos Angeles

Nov 30

LAX4:55 pmLos Angeles

15h 00m

1 stop

BHD3:55 pmBelfast City

$905

British Airways

Jan 14

BHD6:30 amBelfast City

14h 55m

1 stop

LAX1:25 pmLos Angeles

Jan 21

LAX8:40 pmLos Angeles

15h 40m

1 stop

BHD8:20 pmBelfast City

$916

British Airways

Jan 14

BHD6:30 amBelfast City

14h 55m

1 stop

LAX1:25 pmLos Angeles

Jan 21

LAX10:00 amLos Angeles

16h 55m

2 stops

BHD10:55 amBelfast City

$921

KLM flights from Belfast to California

Our best KLM deals on Belfast to California flight tickets

KLM

Dec 1

BHD5:15 pmBelfast City

26h 30m

1 stop

SFO11:45 amSan Francisco

Dec 8

SFO7:00 amSan Francisco

18h 10m

2 stops

BHD9:10 amBelfast City

$933

KLM

Dec 3

BHD5:15 pmBelfast City

26h 30m

1 stop

LAX11:45 amLos Angeles

Dec 7

LAX7:00 amLos Angeles

18h 10m

2 stops

BHD9:10 amBelfast City

$941

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Thu 11/26

6:30 am-2:55 pm

1 stop16h 25m

San Francisco

Thu 12/3

5:25 pm-4:55 pm

1 stop15h 30m

$895

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Thu 11/26

6:30 am-9:00 am

2 stops34h 30m

San Francisco

Thu 12/3

12:00 pm-12:45 pm

2 stops16h 45m

$900

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles

BHDLAX

Belfast City

Sun 11/22

6:30 am-3:15 pm

1 stop16h 45m

Los Angeles

Mon 11/30

4:55 pm-3:55 pm

1 stop15h 00m

$905

Quickest round-trip

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles

BHDLAX

Belfast City

Thu 1/14

6:30 am-1:25 pm

1 stop14h 55m

Los Angeles

Thu 1/21

8:40 pm-8:20 pm

1 stop15h 40m

$916

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles

BHDLAX

Belfast City

Thu 12/3

10:15 am-1:00 pm

2 stops34h 45m

Los Angeles

Mon 12/7

3:20 pm-8:30 pm

2 stops21h 10m

$917

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles

BHDLAX

Belfast City

Thu 1/14

6:30 am-1:25 pm

1 stop14h 55m

Los Angeles

Thu 1/21

10:00 am-10:55 am

2 stops16h 55m

$921

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Tue 12/1

10:15 am-12:55 pm

2 stops34h 40m

San Francisco

Tue 12/8

3:10 pm-8:30 pm

2 stops21h 20m

$926

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles

BHDLAX

Belfast City

Thu 1/14

11:05 am-10:09 pm

2 stops19h 04m

Los Angeles

Thu 1/21

12:31 pm-12:45 pm

2 stops16h 14m

$931

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Tue 12/1

5:15 pm-11:45 am

1 stop26h 30m

San Francisco

Tue 12/8

7:00 am-9:10 am

2 stops18h 10m

$933

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles

BHDLAX

Belfast City

Sun 11/22

12:00 pm-10:46 pm

2 stops18h 46m

Los Angeles

Mon 11/30

6:30 pm-5:25 pm

1 stop14h 55m

$934

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 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?

The month of February is another great option to travel to California, with average flight prices from Belfast averaging around $0.

Cheap Belfast to California flight deals and tips

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

Best Price Found	$469
Fastest flight time	15h 40m
Direct flights	None

The best one-way flight to California from Belfast in the past 72 hours is $469. The best round-trip flight deal from Belfast to California found on momondo in the last 72 hours is $895.

The fastest flight from Belfast to California takes 15h 40m

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 refresh daily.
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 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.

Why use momondo?

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

Finding the right flight to California from Belfast is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to California quick and easy, saving you time and money.

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 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?

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