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Cheap flights from Belfast Intl Airport to California from £351

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LAX
15 Jun — 22 Jun1
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 May 2026.

Thu 1/1006:35
BFS
-
LAX
1 stop19h 40m
Multiple Airlines
Mon 5/1020:10
LAX
-
BFS
1 stop19h 00m
Multiple Airlines
Deal found 11/5£612
Mon 25/508:15
BFS
-
LAX
2 stops35h 25m
Multiple Airlines
Tue 2/618:25
LAX
-
BFS
2 stops18h 30m
Multiple Airlines
Deal found 11/5£705
Wed 9/921:05
BFS
-
LAX
3 stops43h 15m
Multiple Airlines
Sat 12/917:30
LAX
-
BFS
2 stops17h 25m
Multiple Airlines
Deal found 13/5£715
Tue 9/607:00
BFS
-
SFO
2 stops22h 10m
Multiple Airlines
Tue 16/616:30
SFO
-
BFS
2 stops22h 50m
Multiple Airlines
Deal found 12/5£747
Thu 3/915:00
BFS
-
SFO
1 stop37h 50m
Multiple Airlines
Sun 13/919:35
SFO
-
BFS
2 stops18h 15m
Multiple Airlines
Deal found 14/5£753
Fri 12/611:25
BFS
-
SFO
1 stop34h 25m
Multiple Airlines
Fri 19/613:00
SFO
-
BFS
2 stops19h 30m
Multiple Airlines
Deal found 15/5£770
Wed 17/606:15
BFS
-
LAX
3 stops39h 50m
Multiple Airlines
Wed 24/613:15
LAX
-
BFS
2 stops22h 00m
Multiple Airlines
Deal found 14/5£793
Fri 5/608:20
BFS
-
LAS
2 stops22h 09m
Multiple Airlines
Fri 12/606:45
LAS
-
BFS
3 stops25h 45m
Multiple Airlines
Deal found 13/5£798
Sun 14/622:00
BFS
-
LAS
2 stops25h 35m
Multiple Airlines
Sun 21/618:45
LAS
-
BFS
1 stop18h 45m
Multiple Airlines
Deal found 15/5£818
Wed 10/608:30
BFS
-
SFO
2 stops34h 20m
Multiple Airlines
Wed 17/613:05
SFO
-
BFS
2 stops23h 55m
Multiple Airlines
Deal found 13/5£820
Thu 11/609:15
BFS
-
SFO
2 stops33h 35m
Multiple Airlines
Thu 18/612:55
SFO
-
BFS
2 stops26h 05m
Multiple Airlines
Deal found 14/5£848
Tue 23/605:55
BFS
-
SFO
3 stops24h 00m
Multiple Airlines
Tue 30/608:30
SFO
-
BFS
2 stops29h 45m
Multiple Airlines
Deal found 13/5£864

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 May 2026.

Round-trip from

£612

One-way from

£351
1/10-5/10
  • 1/10-5/10
  • 2 total stops
  • 38h 40m total
  • Belfast to California
Search Deals
24/8
  • 24/8
  • 3 total stops
  • 48h 40m 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 16 May 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

Thu 1/10

06:35-18:15

1 stop19h 40m

Los Angeles Los Angeles

Mon 5/10

20:10-23:10

1 stop19h 00m

£612

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Mon 25/5

08:15-11:40

2 stops35h 25m

Los Angeles Los Angeles

Tue 2/6

18:25-20:55

2 stops18h 30m

£705

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Wed 9/9

21:05-08:20

3 stops43h 15m

Los Angeles Los Angeles

Sat 12/9

17:30-18:55

2 stops17h 25m

£715

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Fri 12/6

11:25-13:50

1 stop34h 25m

San Francisco

Fri 19/6

13:00-16:30

2 stops19h 30m

£770
Fastest return journey

BelfastLas Vegas

BFS - LAS

BFSLAS

Belfast Intl

Fri 5/6

08:55-14:20

1 stop13h 25m

Las Vegas Harry Reid Intl

Fri 12/6

20:25-21:15

2 stops16h 50m

£802

BelfastLas Vegas

BFS - LAS

BFSLAS

Belfast Intl

Sun 14/6

22:00-15:35

2 stops25h 35m

Las Vegas Harry Reid Intl

Sun 21/6

18:45-21:30

1 stop18h 45m

£818

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Tue 9/6

07:00-19:10

1 stop20h 10m

San Francisco

Tue 16/6

19:50-23:20

1 stop19h 30m

£818

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Wed 10/6

08:30-10:50

2 stops34h 20m

San Francisco

Wed 17/6

13:05-21:00

2 stops23h 55m

£820

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Wed 17/6

08:30-11:40

2 stops35h 10m

Los Angeles Los Angeles

Wed 24/6

13:25-21:00

2 stops23h 35m

£835

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Thu 11/6

09:15-10:50

2 stops33h 35m

San Francisco

Thu 18/6

12:55-23:00

2 stops26h 05m

£848

Flights are sorted by cheapest return flights first.

Deals found on 10/5

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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 16 May 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
11,662 reviews
Check prices

Food

6.4

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Crew

7.9

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
11,662 reviews
American Airlines
7.1
Good
11,662 reviews
Check prices

Food

6.4

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Crew

7.9

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
7,981 reviews
American Airlines
7.1
Good
11,662 reviews
Check prices

Food

6.4

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Crew

7.9

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 - Los Angeles 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 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 May 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£410Average£539FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£475Average£526FlexibilityNo 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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