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 Intl Airport to California?

The most popular flight routes from Belfast Intl Airport to California are Belfast Intl - Las Vegas Harry Reid Intl, Belfast Intl - Los Angeles and Belfast Intl - San Francisco.

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

When flying from Belfast Intl Airport 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 Intl to California that include hotel bookings?

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

How can I find direct flights from Belfast Intl to California?

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

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

Yes. Cheapflights offers flight deals from Belfast Intl 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.

£550+ Cheap Flights from Belfast Intl Airport to California

Cheap flight deals from Belfast Intl to California

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

Cheapest flights from Belfast Intl to California
Explore the most affordable flight options available from Belfast Intl to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Wed 14/1008:15 -

2 stops35h 25m

Wed 21/1015:15 -

2 stops21h 25m

Deal found 6/9£550

Tue 20/1021:25 -

2 stops25h 20m

Tue 27/1014:50 -

2 stops23h 05m

Deal found 5/9£593

Sat 3/1009:30 -

2 stops17h 05m

Sun 11/1020:25 -

2 stops17h 05m

Deal found 8/9£703

Thu 22/1015:35 -

2 stops31h 05m

Thu 29/1017:45 -

2 stops19h 45m

Deal found 6/9£714

Thu 22/1010:15 -

2 stops30h 05m

Thu 29/1021:25 -

2 stops17h 50m

Deal found 7/9£784

Sat 3/1008:20 -

2 stops22h 03m

Sat 31/1009:59 -

2 stops21h 01m

Deal found 9/9£812

Tue 20/1007:35 -

1 stop13h 45m

Tue 27/1017:10 -

2 stops20h 45m

Deal found 6/9£877

Sat 3/1015:20 -

2 stops32h 35m

Sat 10/1017:40 -

2 stops21h 25m

Deal found 5/9£882

Find flight deals from Belfast Intl to California

Round-trip from	£550

14/10-21/10
4 total stops
56h 50m total
Belfast to California

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastLos Angeles

BFS Belfast Intl - LAX Los Angeles

BFSLAX

Belfast Intl

Wed 14/10

08:15-11:40

2 stops35h 25m

Los Angeles

Wed 21/10

15:15-20:40

2 stops21h 25m

£550

BelfastLos Angeles

BFS Belfast Intl - LAX Los Angeles

BFSLAX

Belfast Intl

Tue 20/10

21:25-14:45

2 stops25h 20m

Los Angeles

Tue 27/10

14:50-20:55

2 stops23h 05m

£593

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Thu 22/10

15:35-14:40

2 stops31h 05m

San Francisco

Thu 29/10

17:45-20:30

2 stops19h 45m

£714

BelfastLos Angeles

BFS Belfast Intl - LAX Los Angeles

BFSLAX

Belfast Intl

Thu 22/10

10:15-08:20

2 stops30h 05m

Los Angeles

Thu 29/10

21:25-22:15

2 stops17h 50m

£784

BelfastLas Vegas

BFS Belfast Intl - LAS Las Vegas Harry Reid Intl

BFSLAS

Belfast Intl

Sat 3/10

06:20-22:22

2 stops24h 02m

Las Vegas Harry Reid Intl

Sun 11/10

18:45-21:30

1 stop18h 45m

£796

BelfastLas Vegas

BFS Belfast Intl - LAS Las Vegas Harry Reid Intl

BFSLAS

Belfast Intl

Sat 3/10

08:20-22:23

2 stops22h 03m

Las Vegas Harry Reid Intl

Sat 31/10

09:59-14:00

2 stops21h 01m

£812

BelfastLos Angeles

BFS Belfast Intl - LAX Los Angeles

BFSLAX

Belfast Intl

Mon 1/2

20:50-11:45

2 stops22h 55m

Los Angeles

Sat 6/2

18:55-21:25

2 stops18h 30m

£861

Fastest return journey

BelfastLas Vegas

BFS Belfast Intl - LAS Las Vegas Harry Reid Intl

BFSLAS

Belfast Intl

Tue 20/10

07:35-13:20

1 stop13h 45m

Las Vegas Harry Reid Intl

Tue 27/10

17:10-20:55

2 stops20h 45m

£877

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Sat 3/10

22:25-21:55

3 stops31h 30m

San Francisco

Sat 10/10

08:30-09:35

2 stops17h 05m

£993

Flights are sorted by cheapest return flights first.

Deals found on 6/9

Sorted by cheapest first

Best time to book a flight from Belfast Intl to California

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

BFS-LAX

BFS-LAS

BFS-SFO

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 Intl Airport to California

BFS-USCA

BFS-LAX

BFS-LAS

BFS-SFO

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

Reviews of airlines servicing California

Read reviews from past customers who have flown with British Airways from Belfast Intl Airport to California. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

British Airways

6.7

Okay

8,210 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

8,210 reviews

British Airways

6.7

Okay

8,210 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

What are the most popular routes from Belfast Intl Airport to California?
The most popular flight routes from Belfast Intl Airport to California are Belfast Intl - Las Vegas Harry Reid Intl, Belfast Intl - Los Angeles and Belfast Intl - San Francisco.
Can I find deals for flights from Belfast Intl to California that include hotel bookings?
Yes. In addition to deals on Belfast Intl to California flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast Intl to California?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to California.
Can I find deals for business class flights from Belfast Intl to California?
Yes. Cheapflights offers flight deals from Belfast Intl 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

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Popular flights

Top destinations

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Top airline flying from Belfast Intl to California

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£448	Average£611	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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

Deals for Belfast Intl to California flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Belfast Intl to California for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from Belfast Intl to California with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to California from Belfast Intl today and book when prices fit your budget.

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Cheap flights from Belfast Intl Airport to California from £550

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast Intl to California

Cheapest flights from Belfast Intl to CaliforniaExplore the most affordable flight options available from Belfast Intl to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Explore the most affordable flight options available from Belfast Intl to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Best flights from Belfast Intl to CaliforniaDiscover carefully curated flight deals from Belfast Intl to California that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Discover carefully curated flight deals from Belfast Intl to California that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Last-minute flights from Belfast Intl to CaliforniaDiscover last-minute flight deals from Belfast Intl to California. Data last updated 10 September 2026 and is based on user searches.

Discover last-minute flight deals from Belfast Intl to California. Data last updated 10 September 2026 and is based on user searches.

Find flight deals from Belfast Intl to California

Round-trip from

Cheapflights Fare Finder

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

Best time to book a flight from Belfast Intl to California

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

Cheapflights Insights

Reviews of airlines servicing California

Read reviews from past customers who have flown with British Airways from Belfast Intl Airport to California. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What are the most popular routes from Belfast Intl Airport to California?

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

How can I find direct flights from Belfast Intl to California?

Can I find deals for business class flights from Belfast Intl 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 Intl 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 Intl to California by cabin class

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

Belfast Intl and California flights

Browse other Belfast Intl and California flight options. Last updated on 10 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Belfast Intl to California flights

Consider these flights travelling from Belfast Intl to California.

Top airline flying from Belfast Intl to California

Fly with Cheapflights

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

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

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

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

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Travel Smart

Cheapest flights from Belfast Intl to California
Explore the most affordable flight options available from Belfast Intl to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Best flights from Belfast Intl to California
Discover carefully curated flight deals from Belfast Intl to California that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Last-minute flights from Belfast Intl to California
Discover last-minute flight deals from Belfast Intl to California. Data last updated 10 September 2026 and is based on user searches.