Find flights
When to book
Airlines
FAQs

Cheap flights from Belfast Intl Airport to California from £301

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 13/4. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LAX
30 Mar — 6 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 28 February 2026.

Thu 23/409:00
BFS
-
LAX
2 stops41h 25m
Multiple Airlines
Fri 1/508:00
LAX
-
BFS
2 stops23h 05m
Multiple Airlines
Deal found 27/2£460
Mon 20/408:15
BFS
-
LAX
2 stops20h 44m
Multiple Airlines
Mon 27/411:25
LAX
-
BFS
3 stops25h 30m
Multiple Airlines
Deal found 27/2£646
Sun 12/406:55
BFS
-
LAS
2 stops23h 05m
Multiple Airlines
Sat 18/400:18
LAS
-
BFS
3 stops37h 12m
Multiple Airlines
Deal found 26/2£723
Mon 13/421:55
BFS
-
LAX
3 stops31h 04m
Multiple Airlines
Mon 20/415:15
LAX
-
BFS
3 stops24h 05m
Multiple Airlines
Deal found 27/2£735
Sun 12/422:00
BFS
-
LAX
2 stops25h 15m
Multiple Airlines
Sun 19/413:50
LAX
-
BFS
3 stops25h 45m
Multiple Airlines
Deal found 26/2£752
Tue 14/421:25
BFS
-
SFO
2 stops23h 15m
Multiple Airlines
Tue 21/415:15
SFO
-
BFS
3 stops24h 05m
Multiple Airlines
Deal found 28/2£792
Fri 11/919:20
BFS
-
LAS
3 stops35h 02m
Multiple Airlines
Sun 20/920:25
LAS
-
BFS
2 stops18h 05m
Multiple Airlines
Deal found 28/2£821
Mon 13/408:15
BFS
-
LAS
2 stops21h 45m
Multiple Airlines
Mon 20/412:40
LAS
-
BFS
2 stops18h 50m
Multiple Airlines
Deal found 27/2£838
Thu 26/306:15
BFS
-
SFO
2 stops41h 50m
Multiple Airlines
Thu 2/417:55
SFO
-
BFS
1 stop21h 05m
Multiple Airlines
Deal found 26/2£877
Sun 12/422:00
BFS
-
SFO
3 stops31h 22m
Multiple Airlines
Sun 19/416:45
SFO
-
BFS
3 stops17h 40m
Multiple Airlines
Deal found 26/2£878

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 28 February 2026.

Round-trip from

£460

One-way from

£301

Popular in

December

Cheapest in

June

Average price

£822
23/4-1/5
  • 23/4-1/5
  • 4 total stops
  • 64h 30m total
  • Belfast to California
Search Deals
13/4
  • 13/4
  • 3 total stops
  • 47h 23m total
  • Belfast to California
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£81 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 28 February 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

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Thu 23/4

09:00-18:25

2 stops41h 25m

Los Angeles

Fri 1/5

08:00-15:05

2 stops23h 05m

£460

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Mon 20/4

18:50-22:56

2 stops36h 06m

Los Angeles

Mon 27/4

23:15-23:20

1 stop16h 05m

£654

BelfastLas Vegas

BFS - LAS

BFSLAS

Belfast Intl

Sun 12/4

06:55-22:00

2 stops23h 05m

Las Vegas Harry Reid Intl

Sat 18/4

00:18-21:30

3 stops37h 12m

£723

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Mon 13/4

08:15-21:20

2 stops21h 05m

Los Angeles

Mon 20/4

15:15-23:20

3 stops24h 05m

£735

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Sun 12/4

22:00-15:15

2 stops25h 15m

Los Angeles

Sun 19/4

13:50-23:35

3 stops25h 45m

£752

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Tue 14/4

21:25-12:40

2 stops23h 15m

San Francisco

Tue 21/4

15:15-23:20

3 stops24h 05m

£792

BelfastLas Vegas

BFS - LAS

BFSLAS

Belfast Intl

Mon 13/4

08:15-22:00

2 stops21h 45m

Las Vegas Harry Reid Intl

Mon 20/4

12:40-15:30

2 stops18h 50m

£838

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Thu 26/3

06:15-17:05

2 stops41h 50m

San Francisco

Thu 2/4

17:55-23:00

1 stop21h 05m

£877

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Sun 12/4

22:00-21:22

3 stops31h 22m

San Francisco

Sun 19/4

16:45-18:25

3 stops17h 40m

£878

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Sat 11/4

22:25-12:35

2 stops46h 10m

Los Angeles

Sat 18/4

20:55-08:40

1 stop27h 45m

£929

Flights are sorted by cheapest return flights first.

Deals found on 27/2

Showing 1-10 of 12 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 28 February 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
11,367 reviews
Check prices

Crew

8.0

Comfort

7.2

Overall

7.2

Boarding

7.5

Entertainment

6.9

Food

6.4

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
11,367 reviews
American Airlines
7.2
Good
11,367 reviews
Check prices

Crew

8.0

Comfort

7.2

Overall

7.2

Boarding

7.5

Entertainment

6.9

Food

6.4

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
7,772 reviews
American Airlines
7.2
Good
11,367 reviews
Check prices

Crew

8.0

Comfort

7.2

Overall

7.2

Boarding

7.5

Entertainment

6.9

Food

6.4

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 - Los Angeles, Belfast Intl - Las Vegas Harry Reid Intl 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

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.
Belfast Intl to Orlando flights
Belfast Intl to John F Kennedy Intl flights
Belfast City to Orlando flights
Belfast Intl to Newark flights
Belfast Intl to Hobby flights
Belfast City to LaGuardia flights
Belfast Intl to Dallas/Fort Worth flights
Belfast City to Dallas/Fort Worth flights
Belfast City to John F Kennedy Intl flights
Belfast City to George Bush Intcntl flights
Belfast City to Newark flights
Belfast Intl to Seattle flights
Belfast City to Seattle flights
Belfast Intl to Miami flights
Belfast City to Fort Lauderdale flights
Belfast City to Charlotte flights
Belfast Intl to Charlotte flights
Belfast City to Miami flights
Belfast Intl to Baltimore flights
Belfast City to Baltimore flights
Belfast Intl to San Antonio flights
Belfast City to Denver flights
Belfast City to Boston flights
Belfast Intl to O'Hare Intl flights
Belfast Intl to San Francisco flights
Belfast Intl to Denver flights
Belfast Intl to Boston flights
Belfast City to Minneapolis flights
Belfast City to San Francisco flights
Belfast City to O'Hare Intl flights
Belfast Intl to New Orleans flights
Belfast City to Detroit flights
Belfast City to Ontario flights
Belfast Intl to Detroit flights
Belfast City to Dulles Intl flights
Belfast City to Reagan-National flights
Belfast City to New Orleans flights
Belfast Intl to Atlanta flights
Belfast Intl to Dulles Intl flights
Belfast Intl to Las Vegas flights
Belfast Intl to Los Angeles flights
Belfast Intl to Grand Rapids flights

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 28 February 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£402Average£502FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£470Average£521FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.