Find flights
When to book
FAQs

Cheap flights from Belfast Intl Airport to California from £235

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LAX
14 Jul — 21 Jul1
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 9 July 2025.

Round-trip from

£436

One-way from

£235

Popular in

August

Cheapest in

March

Average price

£572
30/8-7/9
  • 30/8-7/9
  • 2 total stops
  • 60h 50m total
  • Belfast to California
15/9
  • 15/9
  • 2 total stops
  • 48h 10m total
  • Belfast to California
Highest demand for flights based on searches. 11% potential increase in price (£59 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£30 potential savings vs. average return price).
Average for round-trip flights in July 2025

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 9 July 2025.

Sat 30/816:30BFS - LAX
1 stop29h 40mMultiple Airlines
Sun 7/916:30LAX - BFS
1 stop31h 10mMultiple Airlines
Deal found 8/7£436
Wed 10/906:10BFS - LAS
2 stops23h 17mMultiple Airlines
Wed 17/912:01LAS - BFS
2 stops23h 39mMultiple Airlines
Deal found 8/7£494
Tue 26/808:20BFS - SFO
1 stop19h 10mMultiple Airlines
Fri 5/921:20SFO - BFS
1 stop28h 05mMultiple Airlines
Deal found 7/7£657

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 9 July 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

Sat 30/8

16:30-14:10

1 stop29h 40m

Los Angeles

Sun 7/9

16:30-07:40

1 stop31h 10m

£436

BelfastLas Vegas

BFS - LAS

BFSLAS

Belfast Intl

Wed 10/9

06:10-21:27

2 stops23h 17m

Las Vegas Harry Reid Intl

Wed 17/9

12:01-19:40

2 stops23h 39m

£494

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Tue 26/8

08:20-19:30

1 stop19h 10m

San Francisco

Fri 5/9

21:20-09:25

1 stop28h 05m

£657

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Mon 15/9

22:00-14:10

2 stops48h 10m

£235

Flights are sorted by cheapest return flights first.

Deals found on 8/7

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 9 July 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.

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?

  • 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

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.

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 9 July 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£402Average£527FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£466Average£516FlexibilityNo 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.