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Cheap flights from Belfast Intl Airport to California from £362

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 20/11. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LAX
13 Sep — 20 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to California

Enter your travel dates to find the best prices.

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 14 August 2026.

Thu 10/920:10 -
2 stops28h 20m
Wed 16/917:30 -
2 stops18h 45m
Deal found 11/8£628
Mon 21/908:15 -
2 stops35h 25m
Wed 30/918:25 -
2 stops18h 00m
Deal found 11/8£629
Sat 5/906:20 -
2 stops18h 10m
Tue 8/919:35 -
2 stops17h 30m
Deal found 14/8£657
Wed 9/916:35 -
2 stops30h 05m
Tue 15/916:45 -
2 stops22h 15m
Deal found 10/8£670
Fri 4/921:10 -
2 stops27h 20m
Tue 8/919:35 -
2 stops17h 30m
Deal found 12/8£679
Sat 26/906:20 -
2 stops18h 10m
Sat 3/1019:35 -
2 stops19h 05m
Deal found 12/8£684
Fri 25/906:05 -
2 stops24h 17m
Fri 2/1006:50 -
3 stops25h 40m
Deal found 11/8£722
Sat 26/906:20 -
3 stops37h 55m
Sat 3/1008:10 -
3 stops29h 20m
Deal found 12/8£747
Mon 7/920:55 -
2 stops22h 50m
Mon 14/915:05 -
2 stops20h 15m
Deal found 10/8£760
Fri 11/906:05 -
3 stops37h 37m
Mon 14/920:25 -
2 stops16h 30m
Deal found 10/8£769
Thu 3/906:10 -
2 stops24h 12m
Thu 10/909:45 -
2 stops26h 50m
Deal found 12/8£780
Thu 24/906:10 -
3 stops47h 30m
Mon 28/917:50 -
2 stops21h 15m
Deal found 9/8£791

Find flight deals from Belfast Intl to California

Keep the following information in mind while searching for Belfast Intl to California flight deals. Data was last updated 14 August 2026.

Round-trip from

£628

One-way from

£362
10/9-16/9
  • 10/9-16/9
  • 4 total stops
  • 47h 05m total
  • Belfast to California
Search Deals
20/11
  • 20/11
  • 3 total stops
  • 44h 00m total
  • Belfast to California
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl to California that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 14 August 2026.
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

Thu 10/9

20:10-16:30

2 stops28h 20m

Los Angeles

Wed 16/9

17:30-20:15

2 stops18h 45m

£628
Fastest return journey

BelfastLos Angeles

BFS Belfast Intl - LAX Los Angeles

BFSLAX

Belfast Intl

Sat 5/9

06:20-16:30

2 stops18h 10m

Los Angeles

Tue 8/9

19:35-21:05

2 stops17h 30m

£657

BelfastLos Angeles

BFS Belfast Intl - LAX Los Angeles

BFSLAX

Belfast Intl

Mon 21/9

09:10-08:20

2 stops31h 10m

Los Angeles

Wed 30/9

10:40-20:15

3 stops25h 35m

£669

BelfastLos Angeles

BFS Belfast Intl - LAX Los Angeles

BFSLAX

Belfast Intl

Fri 4/9

21:30-08:20

3 stops42h 50m

Los Angeles

Tue 8/9

10:40-19:40

2 stops25h 00m

£694

BelfastLas Vegas

BFS Belfast Intl - LAS Las Vegas Harry Reid Intl

BFSLAS

Belfast Intl

Fri 25/9

06:05-22:22

2 stops24h 17m

Las Vegas Harry Reid Intl

Fri 2/10

06:50-16:30

3 stops25h 40m

£722

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Mon 7/9

20:55-11:45

2 stops22h 50m

San Francisco

Mon 14/9

15:05-19:20

2 stops20h 15m

£760

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Wed 9/9

06:15-10:20

3 stops36h 05m

San Francisco

Tue 15/9

08:30-15:15

2 stops22h 45m

£768

BelfastLas Vegas

BFS Belfast Intl - LAS Las Vegas Harry Reid Intl

BFSLAS

Belfast Intl

Thu 3/9

06:10-22:22

2 stops24h 12m

Las Vegas Harry Reid Intl

Thu 10/9

09:45-20:35

2 stops26h 50m

£780

BelfastLas Vegas

BFS Belfast Intl - LAS Las Vegas Harry Reid Intl

BFSLAS

Belfast Intl

Thu 24/9

06:10-21:40

3 stops47h 30m

Las Vegas Harry Reid Intl

Mon 28/9

17:50-23:05

2 stops21h 15m

£791

BelfastLas Vegas

BFS Belfast Intl - LAS Las Vegas Harry Reid Intl

BFSLAS

Belfast Intl

Sat 12/9

21:40-22:22

2 stops32h 42m

Las Vegas Harry Reid Intl

Fri 18/9

16:20-21:15

1 stop20h 55m

£823

Flights are sorted by cheapest return flights first.

Deals found on 9/8

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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.
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

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

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to California. Reviews last updated 14 August 2026.
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
8,162 reviews
Check prices

Crew

7.7

Comfort

6.8

Boarding

7.0

Overall

6.7

Entertainment

6.5

Food

6.4

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
8,162 reviews
British Airways
6.7
Okay
8,162 reviews
Check prices

Crew

7.7

Comfort

6.8

Boarding

7.0

Overall

6.7

Entertainment

6.5

Food

6.4

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

Find useful and relevant information for your journey from Belfast Intl to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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

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Alternative routes for Belfast Intl to California

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Belfast Intl to California

Discover the top airline that operate flights from Belfast Intl to California. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 14 August 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£454Average£613FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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