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Cheap flights from Belfast Intl Airport to California from £282

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 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LAX
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 15 January 2026.

Round-trip from

£504

One-way from

£282

Popular in

December

Cheapest in

June

Average price

£472
8/2-16/2
  • 8/2-16/2
  • 5 total stops
  • 63h 45m total
  • Belfast to California
Search Deals
18/2
  • 18/2
  • 3 total stops
  • 57h 38m total
  • Belfast to California
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£75 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find 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 15 January 2026.

Sun 8/205:45
BFS
-
SFO
3 stops40h 50m
Multiple Airlines
Mon 16/215:40
SFO
-
BFS
2 stops22h 55m
Multiple Airlines
Deal found 15/1£504
Wed 11/214:15
BFS
-
SFO
2 stops34h 15m
Multiple Airlines
Wed 18/219:25
SFO
-
BFS
2 stops18h 55m
Multiple Airlines
Deal found 14/1£514
Sat 28/223:10
BFS
-
SFO
3 stops47h 25m
Multiple Airlines
Sat 7/317:20
SFO
-
BFS
2 stops21h 20m
Multiple Airlines
Deal found 14/1£579
Sat 28/206:00
BFS
-
LAX
2 stops19h 00m
Multiple Airlines
Sat 7/319:30
LAX
-
BFS
2 stops19h 10m
Multiple Airlines
Deal found 14/1£587
Sat 14/206:00
BFS
-
LAX
2 stops19h 00m
Multiple Airlines
Thu 19/219:30
LAX
-
BFS
2 stops18h 50m
Multiple Airlines
Deal found 14/1£600
Thu 1/1020:05
BFS
-
LAX
1 stop30h 20m
Multiple Airlines
Mon 12/1010:00
LAX
-
BFS
1 stop25h 05m
Multiple Airlines
Deal found 13/1£647
Thu 23/410:15
BFS
-
LAX
1 stop39h 55m
Multiple Airlines
Tue 2/612:00
LAX
-
BFS
2 stops17h 30m
Multiple Airlines
Deal found 13/1£666
Mon 28/906:10
BFS
-
LAX
1 stop14h 45m
Multiple Airlines
Mon 12/1020:10
LAX
-
BFS
2 stops16h 45m
Multiple Airlines
Deal found 13/1£679
Mon 28/906:10
BFS
-
LAX
1 stop14h 45m
Multiple Airlines
Wed 14/1020:10
LAX
-
BFS
2 stops16h 55m
Multiple Airlines
Deal found 13/1£682
Thu 29/114:45
BFS
-
LAX
2 stops33h 50m
Multiple Airlines
Sun 1/215:00
LAX
-
BFS
2 stops18h 15m
Multiple Airlines
Deal found 13/1£683
Wed 30/906:10
BFS
-
LAX
1 stop14h 45m
Multiple Airlines
Sun 11/1020:10
LAX
-
BFS
2 stops17h 40m
Multiple Airlines
Deal found 13/1£725
Wed 30/906:10
BFS
-
LAX
1 stop14h 45m
Multiple Airlines
Wed 14/1020:10
LAX
-
BFS
2 stops16h 55m
Multiple Airlines
Deal found 13/1£728

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 15 January 2026.
Use the filters below to find and compare flights from Belfast Intl Airport to California that are best for you.

Fly from

Belfast Intl

Fly to

California

Route

Depart

Return

Price

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Sun 8/2

05:45-14:35

3 stops40h 50m

San Francisco

Mon 16/2

15:40-22:35

2 stops22h 55m

£504

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Wed 11/2

14:15-16:30

2 stops34h 15m

San Francisco

Wed 18/2

19:25-22:20

2 stops18h 55m

£514

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Sat 28/2

23:10-14:35

3 stops47h 25m

San Francisco

Sat 7/3

17:20-22:40

2 stops21h 20m

£579

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Sat 28/2

06:00-17:00

2 stops19h 00m

Los Angeles

Sat 7/3

19:30-22:40

2 stops19h 10m

£587

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Sat 14/2

06:00-17:00

2 stops19h 00m

Los Angeles

Thu 19/2

19:30-22:20

2 stops18h 50m

£600

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Thu 23/4

10:15-18:10

1 stop39h 55m

Los Angeles

Tue 2/6

12:00-13:30

2 stops17h 30m

£666

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Thu 29/1

14:45-16:35

2 stops33h 50m

Los Angeles

Sun 1/2

15:00-17:15

2 stops18h 15m

£683

BelfastLas Vegas

BFS - LAS

BFSLAS

Belfast Intl

Sat 28/2

07:10-22:02

3 stops46h 52m

Las Vegas Harry Reid Intl

Sat 7/3

19:35-22:40

2 stops19h 05m

£737

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Thu 12/2

06:15-23:28

2 stops25h 13m

San Francisco

Fri 20/2

19:55-10:55

1 stop31h 00m

£758

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Mon 26/1

08:50-12:12

2 stops35h 22m

San Francisco

Wed 28/1

16:30-18:00

1 stop17h 30m

£766

Flights are sorted by cheapest return flights first.

Deals found on 14/1

Showing 1-10 of 19 results
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 15 January 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
7.2
Good
11,132 reviews
Check prices

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Crew

8.0

Food

6.4

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.
American Airlines
7.2
Good
11,132 reviews
American Airlines
7.2
Good
11,132 reviews
Check prices

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Crew

8.0

Food

6.4

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.
British Airways
6.7
Okay
7,676 reviews
American Airlines
7.2
Good
11,132 reviews
Check prices

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Crew

8.0

Food

6.4

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.

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 - Ontario.

  • 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 15 January 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£394Average£505FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£471Average£522FlexibilityNo 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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