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Cheap flights from Belfast Intl Airport to California from £294

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LAX
27 Aug — 3 Sep1
1 adult

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 22 August 2025.

Round-trip from

£483

One-way from

£294

Popular in

August

Cheapest in

June

Average price

£1,075
5/10-12/10
  • 5/10-12/10
  • 5 total stops
  • 59h 50m total
  • Belfast to California
Search Deals
19/9
  • 19/9
  • 1 total stop
  • 24h 00m total
  • Belfast to California
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£51 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£30 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Belfast Intl to California

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 22 August 2025.

Sun 5/1007:15BFS - LAX
3 stops40h 15mMultiple Airlines
Sun 12/1019:45LAX - BFS
2 stops19h 35mMultiple Airlines
Deal found 20/8£483
Sun 21/923:30BFS - SFO
3 stops46h 05mMultiple Airlines
Mon 29/916:20SFO - BFS
2 stops20h 35mMultiple Airlines
Deal found 20/8£584
Mon 1/922:45BFS - LAX
2 stops25h 35mMultiple Airlines
Tue 9/919:30LAX - BFS
2 stops17h 50mMultiple Airlines
Deal found 20/8£589

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 22 August 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 5/10

07:15-15:30

3 stops40h 15m

Los Angeles

Sun 12/10

19:45-23:20

2 stops19h 35m

£483

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Sun 21/9

23:30-13:35

3 stops46h 05m

San Francisco

Mon 29/9

16:20-20:55

2 stops20h 35m

£584

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Mon 1/9

22:45-16:20

2 stops25h 35m

Los Angeles

Tue 9/9

19:30-21:20

2 stops17h 50m

£589

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Fri 19/9

21:05-13:05

1 stop24h 00m

£294

Flights are sorted by cheapest return flights first.

Deals found on 20/8

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 month to book a flight from Belfast Intl Airport to California?

Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to California (average of £575). Flying from Belfast Intl Airport to California in July is currently the most expensive (average of £811). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 22 August 2025.

When flying from Belfast Intl Airport to California, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 22 August 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
10,000 reviews
Check prices

Overall

7.2

Food

6.5

Entertainment

6.9

Comfort

7.2

Boarding

7.5

Crew

8.0

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
10,000 reviews
American Airlines
7.2
Good
10,000 reviews
Check prices

Overall

7.2

Food

6.5

Entertainment

6.9

Comfort

7.2

Boarding

7.5

Crew

8.0

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
7,292 reviews
American Airlines
7.2
Good
10,000 reviews
Check prices

Overall

7.2

Food

6.5

Entertainment

6.9

Comfort

7.2

Boarding

7.5

Crew

8.0

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 - Ontario 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.

  • What is the cheapest month to book a flight from Belfast Intl Airport to California?

    Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to California (average of £575). Flying from Belfast Intl Airport to California in July is currently the most expensive (average of £811). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 22 August 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£406Average£524FlexibilityNo 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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