How long is the flight from Belfast to California?

American Airlines, British Airways, and Delta can get you from Belfast to California in just under 18h 05m. Your travel time can differ by up to 3h 56m. The distance from Belfast to California is about 5128 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in California ranges from 0.0 - 87.0 inches per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit California when rainfall is around 0.0 mm.

If weather is an important factor for your trip to California, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

What are the most popular routes from Belfast to California?

Most travelers choose Belfast Intl - Las Vegas Harry Reid Intl, Belfast Intl - Los Angeles or Belfast Intl - San Francisco when deciding on the best route from Belfast to California.

What is the cheapest time of day to fly from BFS to CA?

When flying from Belfast to California, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Belfast to California that include hotel bookings?

Yes. In addition to deals on Belfast to California flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Belfast to California?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to California.

Can I find deals for business class flights from Belfast to California?

Yes. Cheapflights offers flight deals from Belfast to California by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£405+ Cheap Flights from Belfast to California

Cheap flight deals from Belfast to California

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Belfast to California
Explore the most affordable flight options available from Belfast to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Mon 12/1008:45 -

1 stop20h 20m

Fri 23/1014:00 -

2 stops22h 30m

Deal found 19/8£553

Mon 21/920:55 -

2 stops27h 35m

Sun 27/917:30 -

2 stops20h 25m

Deal found 18/8£585

Mon 12/1006:40 -

2 stops33h 40m

Fri 23/1006:45 -

3 stops25h 45m

Deal found 19/8£604

Mon 21/909:40 -

1 stop18h 35m

Sun 27/915:50 -

1 stop14h 45m

Deal found 18/8£625

Sun 4/1009:55 -

2 stops33h 45m

Sun 11/1018:25 -

2 stops17h 50m

Deal found 20/8£633

Mon 21/917:30 -

1 stop26h 20m

Sun 27/912:09 -

2 stops20h 46m

Deal found 18/8£641

Thu 17/917:30 -

2 stops36h 34m

Thu 24/914:06 -

2 stops42h 49m

Deal found 20/8£646

Sun 4/1017:30 -

1 stop26h 15m

Sun 11/1013:45 -

1 stop19h 10m

Deal found 20/8£649

Wed 14/1020:35 -

1 stop23h 00m

Sun 18/1019:26 -

2 stops17h 09m

Deal found 16/8£658

Wed 2/920:35 -

1 stop23h 10m

Sun 6/920:55 -

1 stop13h 50m

Deal found 16/8£660

Mon 5/1014:20 -

3 stops32h 20m

Mon 12/1016:45 -

2 stops20h 10m

Deal found 21/8£661

Wed 7/1011:35 -

2 stops28h 47m

Sun 11/1008:45 -

2 stops17h 45m

Deal found 18/8£662

Best flights from Belfast to California
Discover carefully curated flight deals from Belfast to California that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Mon 12/1008:45 -

1 stop20h 20m

Fri 23/1015:50 -

1 stop20h 40m

Deal found 19/8£555

Mon 21/909:40 -

1 stop18h 35m

Sun 27/915:50 -

1 stop14h 45m

Deal found 18/8£625

Wed 14/1010:05 -

1 stop18h 05m

Sun 18/1010:35 -

2 stops20h 00m

Deal found 18/8£658

Thu 17/909:50 -

2 stops22h 01m

Thu 24/910:29 -

2 stops22h 26m

Deal found 20/8£669

Fri 4/909:50 -

1 stop16h 45m

Mon 14/920:25 -

1 stop12h 30m

Deal found 18/8£719

Mon 21/920:55 -

2 stops27h 35m

Sun 27/917:30 -

2 stops20h 25m

Deal found 18/8£585

Fri 8/119:25 -

2 stops51h 25m

Tue 12/116:40 -

1 stop19h 50m

Deal found 19/8£593

Fri 13/1108:35 -

1 stop15h 15m

Sun 15/1109:48 -

2 stops16h 57m

Deal found 16/8£658

Sun 20/909:45 -

2 stops21h 30m

Wed 30/907:05 -

2 stops18h 15m

Deal found 19/8£722

Sat 5/917:30 -

2 stops31h 50m

Mon 14/907:05 -

2 stops18h 15m

Deal found 18/8£723

Wed 4/1106:35 -

2 stops20h 35m

Sun 8/1113:23 -

2 stops19h 27m

Deal found 18/8£662

Mon 12/1006:40 -

2 stops33h 40m

Fri 23/1006:45 -

3 stops25h 45m

Deal found 19/8£604

Wed 7/1011:35 -

2 stops28h 47m

Sun 11/1008:45 -

2 stops17h 45m

Deal found 18/8£662

Sun 4/1009:55 -

2 stops33h 45m

Sun 11/1018:25 -

2 stops17h 50m

Deal found 20/8£633

Thu 5/1107:40 -

2 stops19h 30m

Sun 8/1110:45 -

2 stops22h 05m

Deal found 20/8£666

Mon 5/1014:20 -

3 stops32h 20m

Mon 12/1016:45 -

2 stops20h 10m

Deal found 21/8£661

Thu 12/1108:50 -

2 stops21h 42m

Sun 15/1108:47 -

2 stops17h 58m

Deal found 20/8£666

Wed 20/108:40 -

2 stops22h 05m

Sun 24/106:00 -

2 stops23h 50m

Deal found 18/8£669

Wed 30/907:30 -

2 stops18h 55m

Wed 7/1020:10 -

2 stops18h 10m

Deal found 16/8£699

Thu 21/108:50 -

2 stops21h 11m

Sun 24/110:31 -

2 stops24h 19m

Deal found 16/8£669

Wed 14/1006:30 -

1 stop15h 20m

Sun 18/1006:00 -

2 stops20h 30m

Deal found 16/8£681

Wed 23/915:40 -

2 stops34h 55m

Sun 27/918:45 -

1 stop18h 45m

Deal found 19/8£787

Thu 5/1106:30 -

1 stop16h 25m

Sun 8/1114:07 -

2 stops18h 43m

Deal found 18/8£681

Sat 19/906:20 -

3 stops35h 25m

Sat 26/908:51 -

3 stops30h 34m

Deal found 18/8£787

Thu 3/906:30 -

1 stop19h 10m

Mon 7/919:30 -

1 stop15h 55m

Deal found 17/8£683

Sun 4/1022:10 -

2 stops28h 25m

Sun 11/1018:45 -

1 stop18h 45m

Deal found 19/8£797

Fri 2/1021:05 -

3 stops34h 15m

Fri 9/1015:05 -

3 stops24h 15m

Deal found 18/8£807

Thu 19/1120:00 -

1 stop30h 50m

Mon 23/1114:07 -

2 stops19h 18m

Deal found 18/8£737

Mon 14/920:55 -

2 stops27h 20m

Sun 20/919:35 -

2 stops20h 00m

Deal found 17/8£810

Wed 2/906:30 -

2 stops22h 29m

Sun 13/922:10 -

1 stop14h 25m

Deal found 18/8£743

Find flight deals from Belfast to California

Round-trip from	£553
One-way from	£405

12/10-23/10
3 total stops
42h 50m total
Belfast to California

Search Deals

British Airways
16/10
1 total stop
16h 10m total
Belfast to California

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles

BHDLAX

Belfast City

Mon 12/10

08:45-21:05

1 stop20h 20m

Los Angeles

Fri 23/10

15:50-20:30

1 stop20h 40m

£555

BelfastLos Angeles

BFS Belfast Intl - LAX Los Angeles

BFSLAX

Belfast Intl

Mon 21/9

20:55-16:30

2 stops27h 35m

Los Angeles

Sun 27/9

17:30-21:55

2 stops20h 25m

£585

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Fri 8/1

19:25-14:50

2 stops51h 25m

San Francisco

Tue 12/1

16:40-20:30

1 stop19h 50m

£593

BelfastLos Angeles

BFS Belfast Intl - LAX Los Angeles

BFSLAX

Belfast Intl

Mon 12/10

06:40-08:20

2 stops33h 40m

Los Angeles

Fri 23/10

06:45-16:30

3 stops25h 45m

£604

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles

BHDLAX

Belfast City

Mon 21/9

09:40-20:15

1 stop18h 35m

Los Angeles

Sun 27/9

15:50-14:35

1 stop14h 45m

£625

BelfastLos Angeles

BFS Belfast Intl - LAX Los Angeles

BFSLAX

Belfast Intl

Sun 4/10

09:55-11:40

2 stops33h 45m

Los Angeles

Sun 11/10

18:25-20:15

2 stops17h 50m

£633

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles

BHDLAX

Belfast City

Wed 14/10

10:05-20:10

1 stop18h 05m

Los Angeles

Sun 18/10

10:35-14:35

2 stops20h 00m

£658

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles

BHDLAX

Belfast City

Fri 13/11

08:35-15:50

1 stop15h 15m

Los Angeles

Sun 15/11

09:48-10:45

2 stops16h 57m

£658

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Mon 5/10

14:20-14:40

3 stops32h 20m

San Francisco

Mon 12/10

16:45-20:55

2 stops20h 10m

£661

BelfastSanta Ana

BHD Belfast City - SNA Santa Ana J. Wayne/Orange Cnty

BHDSNA

Belfast City

Wed 4/11

06:35-19:10

2 stops20h 35m

Santa Ana J. Wayne/Orange Cnty

Sun 8/11

13:23-16:50

2 stops19h 27m

£662

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Showing 1-10 of 49 resultsSorted by cheapest first

...

Best time to book a flight from Belfast to California

Have a flexible travel schedule? Discover the best time to fly to California from Belfast with our price prediction graph.

BFS-LAX

BHD-SFO

BHD-LAS

BFS-SFO

BHD-SNA

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Belfast to California

BF1-USCA

BFS-LAX

BHD-SFO

BHD-LAS

BFS-SFO

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing California

Check out reviews from past customers who have flown with British Airways from Belfast to California to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

British Airways

6.7

Okay

8,181 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

British Airways

6.7

Okay

8,181 reviews

British Airways

6.7

Okay

8,181 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

Related info for your journey

How long is the flight from Belfast to California?
American Airlines, British Airways, and Delta can get you from Belfast to California in just under 18h 05m. Your travel time can differ by up to 3h 56m. The distance from Belfast to California is about 5128 mi. This flight may include one or multiple stops.
What are the most popular routes from Belfast to California?
Most travelers choose Belfast Intl - Las Vegas Harry Reid Intl, Belfast Intl - Los Angeles or Belfast Intl - San Francisco when deciding on the best route from Belfast to California.
Can I find deals for flights from Belfast to California that include hotel bookings?
Yes. In addition to deals on Belfast to California flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast to California?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to California.
Can I find deals for business class flights from Belfast to California?
Yes. Cheapflights offers flight deals from Belfast to California by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to United States

Flights by cabin class

Other flight options

Popular flights

Alternative routes for Belfast to California

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Top airline flying from Belfast to California

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£450	Average£620	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

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Cheap flights from Belfast to California from £405

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast to California

Cheapest flights from Belfast to CaliforniaExplore the most affordable flight options available from Belfast to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Explore the most affordable flight options available from Belfast to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Best flights from Belfast to CaliforniaDiscover carefully curated flight deals from Belfast to California that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Discover carefully curated flight deals from Belfast to California that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Last-minute flights from Belfast to CaliforniaDiscover last-minute flight deals from Belfast to California. Data last updated 21 August 2026 and is based on user searches.

Discover last-minute flight deals from Belfast to California. Data last updated 21 August 2026 and is based on user searches.

One-way flights from Belfast to CaliforniaSearch for one-way flight options from Belfast to California. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.

Search for one-way flight options from Belfast to California. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.

Find flight deals from Belfast to California

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

Best time to book a flight from Belfast to California

Have a flexible travel schedule? Discover the best time to fly to California from Belfast with our price prediction graph.

Cheapflights Insights

Reviews of airlines servicing California

Check out reviews from past customers who have flown with British Airways from Belfast to California to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Belfast to California?

What are the most popular routes from Belfast to California?

Can I find deals for flights from Belfast to California that include hotel bookings?

How can I find direct flights from Belfast to California?

Can I find deals for business class flights from Belfast to California?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Belfast to California

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to California by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Belfast to California by cabin class

Find flights from Belfast to California, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Belfast and California flights

Browse other Belfast and California flight options. Last updated on 21 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top airline flying from Belfast to California

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How does Cheapflights help users find flights from Belfast to California?

Why should you use Cheapflights to find cheap flight tickets from Belfast to California?

Can Cheapflights find flights from Belfast to California with no change fees?

Can Cheapflights notify me if prices for flights from Belfast to California become cheaper?

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Cheapest flights from Belfast to California
Explore the most affordable flight options available from Belfast to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Best flights from Belfast to California
Discover carefully curated flight deals from Belfast to California that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Last-minute flights from Belfast to California
Discover last-minute flight deals from Belfast to California. Data last updated 21 August 2026 and is based on user searches.

One-way flights from Belfast to California
Search for one-way flight options from Belfast to California. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.