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Cheap flights from Belfast Intl Airport to California from £332

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LAX
15 Apr — 22 Apr1
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 16 March 2026.

Tue 28/406:15
BFS
-
LAX
2 stops18h 15m
Multiple Airlines
Tue 5/519:35
LAX
-
BFS
2 stops17h 20m
Multiple Airlines
Deal found 14/3£717
Sun 26/416:30
BFS
-
SFO
3 stops37h 25m
Multiple Airlines
Sun 3/514:40
SFO
-
BFS
2 stops22h 20m
Multiple Airlines
Deal found 12/3£723
Sun 26/407:10
BFS
-
LAX
2 stops17h 40m
Multiple Airlines
Sun 3/519:10
LAX
-
BFS
2 stops18h 20m
Multiple Airlines
Deal found 12/3£751
Thu 30/408:10
BFS
-
LAX
2 stops18h 15m
Multiple Airlines
Thu 7/520:10
LAX
-
BFS
2 stops15h 20m
Multiple Airlines
Deal found 16/3£788
Mon 27/410:50
BFS
-
SFO
3 stops35h 50m
Multiple Airlines
Mon 4/516:45
SFO
-
BFS
2 stops22h 20m
Multiple Airlines
Deal found 13/3£793
Tue 28/421:25
BFS
-
SFO
2 stops23h 15m
Multiple Airlines
Tue 5/513:00
SFO
-
BFS
3 stops27h 05m
Multiple Airlines
Deal found 14/3£864
Wed 29/408:15
BFS
-
LAX
2 stops42h 51m
Multiple Airlines
Wed 6/513:30
LAX
-
BFS
1 stop22h 05m
Multiple Airlines
Deal found 15/3£870
Mon 27/408:15
BFS
-
LAS
2 stops22h 26m
Multiple Airlines
Mon 4/517:50
LAS
-
BFS
1 stop32h 50m
Multiple Airlines
Deal found 13/3£875
Sun 12/419:35
BFS
-
SFO
2 stops25h 05m
Multiple Airlines
Sun 19/417:55
SFO
-
BFS
1 stop20h 00m
Multiple Airlines
Deal found 15/3£933
Sat 7/1107:10
BFS
-
LAS
3 stops46h 52m
Multiple Airlines
Thu 12/1109:10
LAS
-
BFS
3 stops27h 15m
Multiple Airlines
Deal found 16/3£946
Fri 17/419:20
BFS
-
LAS
3 stops34h 40m
Multiple Airlines
Mon 20/417:50
LAS
-
BFS
2 stops18h 35m
Multiple Airlines
Deal found 16/3£973
Wed 29/406:15
BFS
-
LAS
2 stops20h 20m
Multiple Airlines
Wed 6/517:50
LAS
-
BFS
1 stop17h 45m
Multiple Airlines
Deal found 15/3£1,039

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 16 March 2026.

Round-trip from

£717

One-way from

£332

Popular in

December

Cheapest in

June

Average price

£471
28/4-5/5
  • 28/4-5/5
  • 4 total stops
  • 35h 35m total
  • Belfast to California
Search Deals
2/9
  • 2/9
  • 3 total stops
  • 39h 50m total
  • Belfast to California
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£99 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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 16 March 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 - LAX

BFSLAX

Belfast Intl

Tue 28/4

06:15-16:30

2 stops18h 15m

Los Angeles Los Angeles

Tue 5/5

19:35-20:55

2 stops17h 20m

£717

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Sun 26/4

16:30-21:55

3 stops37h 25m

San Francisco

Sun 3/5

06:30-23:35

3 stops33h 05m

£745

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Sun 26/4

07:10-16:50

2 stops17h 40m

Los Angeles Los Angeles

Sun 3/5

19:10-21:30

2 stops18h 20m

£751
Fastest return journey

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Thu 30/4

08:10-18:25

2 stops18h 15m

Los Angeles Los Angeles

Thu 7/5

20:10-19:30

2 stops15h 20m

£788

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Tue 28/4

21:25-12:40

2 stops23h 15m

San Francisco

Tue 5/5

13:00-00:05

3 stops27h 05m

£864

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Wed 29/4

08:15-19:06

2 stops42h 51m

Los Angeles Los Angeles

Wed 6/5

13:30-19:35

1 stop22h 05m

£870

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Mon 27/4

21:55-21:22

3 stops31h 27m

San Francisco

Mon 4/5

06:00-20:40

3 stops30h 40m

£873

BelfastLas Vegas

BFS - LAS

BFSLAS

Belfast Intl

Mon 27/4

08:15-22:41

2 stops22h 26m

Las Vegas Harry Reid Intl

Mon 4/5

17:50-10:40

1 stop32h 50m

£875

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Sun 12/4

19:35-12:40

2 stops25h 05m

San Francisco

Sun 19/4

17:55-21:55

1 stop20h 00m

£933

BelfastLas Vegas

BFS - LAS

BFSLAS

Belfast Intl

Fri 17/4

19:20-22:00

3 stops34h 40m

Las Vegas Harry Reid Intl

Mon 20/4

17:50-20:25

2 stops18h 35m

£973

Flights are sorted by cheapest return flights first.

Deals found on 15/3

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

How much does it cost for a return flight from Belfast Intl Airport to California?

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 16 March 2026.
Read reviews from past customers who have flown with American Airlines and 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.
American Airlines
7.1
Good
11,466 reviews
Check prices

Comfort

7.2

Crew

7.9

Entertainment

6.9

Food

6.4

Boarding

7.5

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,466 reviews
American Airlines
7.1
Good
11,466 reviews
Check prices

Comfort

7.2

Crew

7.9

Entertainment

6.9

Food

6.4

Boarding

7.5

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
British Airways
6.7
Okay
7,797 reviews
American Airlines
7.1
Good
11,466 reviews
Check prices

Comfort

7.2

Crew

7.9

Entertainment

6.9

Food

6.4

Boarding

7.5

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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 - San Francisco and Belfast Intl - Los Angeles Los Angeles.

  • 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

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Top 2 airlines flying from Belfast Intl to California

Discover the top 2 airlines 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 16 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£412Average£520FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£477Average£529FlexibilityNo cancel feeOn-time71%
Search American Airlines 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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