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Cheap flights from Belfast Intl Airport to California from £696

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LAX
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

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 21 November 2025.

Fri 5/1217:30BFS - LAX
1 stop28h 30mMultiple Airlines
Tue 9/1221:01LAX - BFS
2 stops34h 54mMultiple Airlines
Deal found 19/11£735
Sun 23/1107:10BFS - SFO
3 stops39h 25mMultiple Airlines
Wed 26/1108:25SFO - BFS
3 stops31h 30mMultiple Airlines
Deal found 21/11£864
Sun 30/1109:25BFS - LAS
2 stops32h 59mMultiple Airlines
Sat 6/1209:10LAS - BFS
3 stops30h 40mMultiple Airlines
Deal found 19/11£1,212
Sun 30/1122:45BFS - LAS
1 stop28h 05mMultiple Airlines
Fri 5/1208:00LAS - BFS
2 stops40h 50mMultiple Airlines
Deal found 19/11£2,567

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 21 November 2025.

Round-trip from

£687

Popular in

February

Cheapest in

June
11/1-19/1
  • 11/1-19/1
  • 4 total stops
  • 42h 35m total
  • Belfast to California
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£11 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
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 21 November 2025.
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

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Sun 11/1

22:45-18:05

2 stops51h 20m

Los Angeles

Mon 19/1

16:35-20:10

1 stop19h 35m

£696

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Fri 5/12

17:30-14:00

1 stop28h 30m

Los Angeles

Tue 9/12

21:01-15:55

2 stops34h 54m

£735

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Sun 4/1

07:10-22:29

3 stops23h 19m

Los Angeles

Sun 11/1

08:16-20:10

3 stops27h 54m

£1,073

BelfastLas Vegas

BFS - LAS

BFSLAS

Belfast Intl

Sun 30/11

09:25-10:24

2 stops32h 59m

Las Vegas Harry Reid Intl

Sat 6/12

09:10-23:50

3 stops30h 40m

£1,212

BelfastLas Vegas

BFS - LAS

BFSLAS

Belfast Intl

Sat 3/1

22:25-09:32

3 stops43h 07m

Las Vegas Harry Reid Intl

Fri 9/1

00:59-17:40

3 stops32h 41m

£1,236

BelfastLas Vegas

BFS - LAS

BFSLAS

Belfast Intl

Sun 4/1

07:30-09:13

2 stops33h 43m

Las Vegas Harry Reid Intl

Sun 11/1

15:10-13:50

1 stop14h 40m

£1,351

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Sat 3/1

12:45-21:39

3 stops40h 54m

San Francisco

Sat 10/1

16:40-22:40

2 stops22h 00m

£1,369

BelfastLas Vegas

BFS - LAS

BFSLAS

Belfast Intl

Sun 30/11

22:45-18:50

1 stop28h 05m

Las Vegas Harry Reid Intl

Fri 5/12

08:00-08:50

2 stops40h 50m

£2,567

Flights are sorted by cheapest return flights first.

Deals found on 20/11

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

What is the cheapest time of day to fly from BFS to CA?

Find hourly flight availability from Belfast Intl to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 November 2025.

When flying from Belfast Intl Airport to California, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 7% versus a flight in the morning.

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 21 November 2025.
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
11,047 reviews
Check prices

Entertainment

6.9

Food

6.4

Overall

7.2

Crew

8.0

Comfort

7.2

Boarding

7.5

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
11,047 reviews
American Airlines
7.2
Good
11,047 reviews
Check prices

Entertainment

6.9

Food

6.4

Overall

7.2

Crew

8.0

Comfort

7.2

Boarding

7.5

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
7,533 reviews
American Airlines
7.2
Good
11,047 reviews
Check prices

Entertainment

6.9

Food

6.4

Overall

7.2

Crew

8.0

Comfort

7.2

Boarding

7.5

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 - 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

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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 21 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£407Average£518FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£485Average£537FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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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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