How long is the flight from Belfast to California?

British Airways can get you from Belfast to California in just under 16h 35m. Your travel time can differ by up to . The distance from Belfast to California is about 5128 mi.

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 - San Francisco, Belfast Intl - Los Angeles Los Angeles or Belfast City - 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.

£370+ 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 17 September 2026.

Fri 30/1006:30 -

1 stop21h 55m

Wed 4/1109:44 -

2 stops19h 46m

Deal found 16/9£520

Fri 30/1007:20 -

1 stop21h 05m

Wed 4/1113:29 -

2 stops21h 31m

Deal found 16/9£521

Thu 29/1006:30 -

1 stop16h 25m

Mon 2/1108:55 -

2 stops17h 55m

Deal found 16/9£542

Thu 29/1006:30 -

1 stop16h 40m

Thu 5/1112:36 -

2 stops16h 09m

Deal found 14/9£544

Mon 23/1106:35 -

1 stop16h 20m

Tue 8/1213:42 -

2 stops19h 03m

Deal found 12/9£544

Tue 13/1012:40 -

2 stops18h 57m

Tue 20/1009:12 -

2 stops17h 33m

Deal found 15/9£544

Thu 15/1014:20 -

2 stops18h 49m

Mon 19/1017:05 -

1 stop14h 25m

Deal found 16/9£546

Thu 5/1120:00 -

2 stops33h 24m

Sun 8/1116:32 -

2 stops16h 18m

Deal found 14/9£548

Tue 27/1011:40 -

2 stops19h 17m

Tue 3/1113:42 -

2 stops17h 08m

Deal found 12/9£548

Thu 24/917:30 -

1 stop26h 20m

Mon 28/913:15 -

2 stops19h 40m

Deal found 16/9£554

Tue 27/1017:15 -

1 stop26h 30m

Tue 3/1113:50 -

1 stop18h 55m

Deal found 12/9£556

Thu 24/917:30 -

1 stop26h 20m

Mon 28/913:50 -

1 stop35h 30m

Deal found 16/9£559

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 17 September 2026.

Tue 19/110:00 -

1 stop16h 35m

Tue 9/218:25 -

1 stop14h 20m

Deal found 14/9£529

Tue 19/108:50 -

1 stop19h 25m

Tue 9/213:45 -

2 stops22h 45m

Deal found 14/9£550

Tue 27/1017:15 -

1 stop26h 30m

Tue 3/1113:50 -

1 stop18h 55m

Deal found 12/9£556

Mon 23/1106:35 -

1 stop16h 20m

Tue 8/1213:42 -

2 stops19h 03m

Deal found 12/9£544

Thu 29/1006:30 -

1 stop16h 25m

Mon 2/1117:25 -

1 stop16h 00m

Deal found 16/9£573

Thu 15/1014:20 -

2 stops18h 49m

Mon 19/1019:26 -

2 stops17h 09m

Deal found 16/9£546

Thu 29/1014:40 -

2 stops30h 20m

Thu 5/1113:50 -

2 stops20h 55m

Deal found 14/9£576

Tue 20/1009:50 -

2 stops20h 53m

Fri 23/1017:03 -

2 stops15h 57m

Deal found 14/9£1,295

Thu 5/1120:00 -

2 stops33h 24m

Sun 8/1116:32 -

2 stops16h 18m

Deal found 14/9£548

Tue 27/1011:40 -

2 stops19h 17m

Tue 3/1113:42 -

2 stops17h 08m

Deal found 12/9£548

Fri 30/1008:35 -

1 stop18h 15m

Tue 3/1108:35 -

2 stops18h 15m

Deal found 14/9£611

Thu 19/1111:05 -

2 stops19h 30m

Sun 22/1116:00 -

2 stops16h 50m

Deal found 14/9£548

Thu 15/1021:35 -

2 stops26h 00m

Mon 19/1018:40 -

2 stops18h 15m

Deal found 16/9£642

Thu 15/1009:50 -

2 stops20h 53m

Mon 19/1011:56 -

2 stops37h 24m

Deal found 16/9£860

Tue 23/211:40 -

2 stops19h 06m

Sun 28/216:42 -

2 stops16h 08m

Deal found 14/9£555

Wed 28/1010:55 -

2 stops35h 55m

Wed 4/1116:45 -

2 stops20h 10m

Deal found 13/9£682

Thu 21/120:00 -

2 stops27h 35m

Mon 25/117:25 -

1 stop16h 00m

Deal found 16/9£573

Thu 12/1120:00 -

2 stops27h 47m

Sun 15/1113:23 -

2 stops22h 47m

Deal found 16/9£575

Wed 28/1015:25 -

3 stops31h 10m

Wed 4/1112:20 -

2 stops23h 25m

Deal found 13/9£755

Thu 21/120:00 -

1 stop27h 20m

Mon 25/120:50 -

1 stop13h 45m

Deal found 16/9£578

Thu 28/117:50 -

1 stop27h 35m

Sun 31/115:30 -

1 stop14h 20m

Deal found 16/9£578

Mon 21/1206:00 -

2 stops20h 40m

Tue 5/122:05 -

1 stop32h 10m

Deal found 13/9£775

Thu 21/111:05 -

1 stop15h 30m

Sun 24/120:50 -

1 stop14h 00m

Deal found 12/9£581

Thu 29/1009:25 -

2 stops16h 25m

Thu 5/1119:35 -

2 stops16h 15m

Deal found 14/9£806

Wed 27/106:35 -

2 stops24h 42m

Sun 31/114:17 -

2 stops20h 33m

Deal found 16/9£582

Tue 13/1017:10 -

2 stops29h 25m

Tue 20/1006:00 -

3 stops31h 20m

Deal found 15/9£810

Thu 28/111:05 -

2 stops20h 12m

Sun 31/110:40 -

2 stops24h 10m

Deal found 14/9£584

Thu 29/1014:30 -

1 stop37h 40m

Mon 2/1116:40 -

1 stop30h 50m

Deal found 16/9£813

Fri 30/1008:35 -

1 stop18h 15m

Fri 6/1108:58 -

2 stops17h 57m

Deal found 17/9£610

Wed 23/1206:55 -

3 stops36h 15m

Sun 27/1207:45 -

2 stops28h 25m

Deal found 16/9£817

Find flight deals from Belfast to California

Round-trip from	£520
One-way from	£370

30/10-4/11
3 total stops
41h 41m total
Belfast to California

Search Deals

22/11-31/12
3 total stops
32h 10m total
Belfast to California

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Sun 22/11

14:15-14:25

3 stops32h 10m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£370

BelfastLos Angeles

BFS Belfast Intl - LAX Los Angeles Los Angeles

BFSLAX

Belfast Intl

Thu 8/10

08:10-08:20

3 stops32h 10m

Los Angeles Los Angeles

Wed 31/12

00:00-09:00

Nonstop0h 00m

£383

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Sun 22/11

12:05-14:25

3 stops34h 20m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£391

BelfastLos Angeles

BFS Belfast Intl - LAX Los Angeles Los Angeles

BFSLAX

Belfast Intl

Wed 7/10

20:15-08:20

3 stops44h 05m

Los Angeles Los Angeles

Wed 31/12

00:00-09:00

Nonstop0h 00m

£416

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Sun 22/11

06:30-14:55

1 stop16h 25m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£429

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles Los Angeles

BHDLAX

Belfast City

Wed 7/10

16:30-18:25

3 stops33h 55m

Los Angeles Los Angeles

Wed 31/12

00:00-09:00

Nonstop0h 00m

£503

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles Los Angeles

BHDLAX

Belfast City

Tue 19/1

10:00-18:35

1 stop16h 35m

Los Angeles Los Angeles

Tue 9/2

18:25-16:45

1 stop14h 20m

£529

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Mon 23/11

06:35-14:55

1 stop16h 20m

San Francisco

Tue 8/12

13:42-16:45

2 stops19h 03m

£544

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles Los Angeles

BHDLAX

Belfast City

Thu 15/10

14:20-01:09

2 stops18h 49m

Los Angeles Los Angeles

Mon 19/10

19:26-20:35

2 stops17h 09m

£546

BelfastSanta Ana

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

BHDSNA

Belfast City

Thu 5/11

20:00-21:24

2 stops33h 24m

Santa Ana J. Wayne/Orange Cnty

Sun 8/11

16:32-16:50

2 stops16h 18m

£548

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 43 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-SFO

BHD-SFO

BFS-LAX

BHD-LAX

BHD-ONT

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-SFO

BHD-SFO

BFS-LAX

BHD-LAX

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

8,229 reviews

Check prices

Reviews

1 / 20

6.0

Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

British Airways

6.7

Okay

8,229 reviews

British Airways

6.7

Okay

8,229 reviews

Check prices

Reviews

1 / 20

6.0

Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

Related info for your journey

How long is the flight from Belfast to California?
British Airways can get you from Belfast to California in just under 16h 35m. Your travel time can differ by up to . The distance from Belfast to California is about 5128 mi.
What are the most popular routes from Belfast to California?
Most travelers choose Belfast Intl - San Francisco, Belfast Intl - Los Angeles Los Angeles or Belfast City - 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

Top destinations

Alternative routes for Belfast to California

Belfast Intl to John F Kennedy Intl flights

Belfast Intl to Atlanta flights

Belfast Intl to Newark flights

Belfast City to John F Kennedy Intl flights

Belfast City to Atlanta flights

Belfast City to LaGuardia flights

Belfast City to Newark flights

Belfast Intl to Miami flights

Belfast Intl to Seattle flights

Belfast Intl to Hobby flights

Belfast City to Seattle flights

Belfast Intl to O'Hare Intl flights

Belfast City to Miami flights

Belfast Intl to Dallas/Fort Worth flights

Belfast Intl to Los Angeles flights

Belfast Intl to Orlando flights

Belfast City to Boston flights

Belfast City to Dallas/Fort Worth flights

Belfast City to George Bush Intcntl flights

Belfast Intl to George Bush Intcntl flights

Belfast City to Los Angeles flights

Belfast Intl to Boston flights

Belfast City to O'Hare Intl flights

Belfast Intl to Charlotte flights

Belfast City to Minneapolis flights

Belfast Intl to Las Vegas flights

Belfast City to Orlando flights

Belfast City to Dulles Intl flights

Belfast Intl to Baltimore flights

Belfast City to Charlotte flights

Belfast Intl to San Francisco flights

Belfast City to San Francisco flights

Belfast Intl to Dulles Intl flights

Belfast Intl to New Orleans flights

Belfast Intl to Wichita flights

Belfast Intl to Jacksonville flights

Belfast Intl to Fort Lauderdale flights

Belfast Intl to Omaha flights

Belfast Intl to Ontario flights

Belfast City to Denver flights

Belfast City to Baton Rouge flights

Belfast City to Las Vegas flights

Belfast Intl to Denver flights

Belfast Intl to Colorado Springs flights

Belfast City to Detroit flights

Belfast City to Flint flights

Belfast City to Santa Ana flights

Top airline flying from Belfast to California

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£451	Average£643	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to California from Belfast today with Cheapflights!

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

Cheapflights helps you find that perfect flight to California from Belfast by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Belfast to California with no change fees.

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

Of course! You can now track prices for flights from Belfast to California and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Belfast to California from £370

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/11. 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 17 September 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 17 September 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 17 September 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 17 September 2026.

Last-minute flights from Belfast to CaliforniaDiscover last-minute flight deals from Belfast to California. Data last updated 17 September 2026 and is based on user searches.

Discover last-minute flight deals from Belfast to California. Data last updated 17 September 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 17 September 2026.

Search for one-way flight options from Belfast to California. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Find flight deals from Belfast to California

Round-trip from

One-way from

Cheapflights Fare Finder

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 17 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Belfast to California flights

Consider these flights travelling from Belfast to California.

Top airline flying from Belfast to California

Fly with Cheapflights

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?

100% Free

Book with Flexibility

Travel Smart

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 17 September 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 17 September 2026.

Last-minute flights from Belfast to California
Discover last-minute flight deals from Belfast to California. Data last updated 17 September 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 17 September 2026.