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Cheap flights from Belfast Intl Airport to California from £311
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 18/11. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LAX
18 Oct — 25 Oct1
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 18 September 2025.
Find flight deals from Belfast Intl to California
Cheapest flights from Belfast Intl to CaliforniaExplore 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 18 September 2025.
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 18 September 2025.
Fri 31/1008:05BFS - SFO
2 stops35h 45mMultiple Airlines
Fri 7/1115:40SFO - BFS
2 stops22h 20mMultiple Airlines
Deal found 16/9£565
Fri 31/1006:30BFS - LAS
3 stops42h 18mMultiple Airlines
Fri 7/1107:00LAS - BFS
3 stops24h 10mMultiple Airlines
Deal found 16/9£604
Fri 31/1015:05BFS - LAX
2 stops30h 05mMultiple Airlines
Fri 7/1113:45LAX - BFS
2 stops24h 15mMultiple Airlines
Deal found 16/9£625
Sat 27/905:45BFS - SFO
3 stops35h 45mMultiple Airlines
Fri 3/1010:15SFO - BFS
3 stops25h 50mMultiple Airlines
Deal found 16/9£867
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 18 September 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
BelfastSan Francisco
BFS - SFO
BFSSFO
Belfast Intl
Fri 31/10
08:05-12:50
2 stops35h 45m
San Francisco
Fri 7/11
15:40-22:00
2 stops22h 20m
£565
BelfastLas Vegas
BFS - LAS
BFSLAS
Belfast Intl
Fri 31/10
06:30-17:48
3 stops42h 18m
Las Vegas Harry Reid Intl
Fri 7/11
07:00-15:10
3 stops24h 10m
£604
BelfastLos Angeles
BFS - LAX
BFSLAX
Belfast Intl
Fri 31/10
15:05-14:10
2 stops30h 05m
Los Angeles
Fri 7/11
13:45-22:00
2 stops24h 15m
£625
BelfastLos Angeles
BFS - LAX
BFSLAX
Belfast Intl
Tue 18/11
16:50-10:55
2 stops50h 05m
£311
BelfastLas Vegas
BFS - LAS
BFSLAS
Belfast Intl
Wed 5/11
20:50-22:10
3 stops57h 20m
£320
BelfastLos Angeles
BFS - LAX
BFSLAX
Belfast Intl
Sun 5/10
23:30-08:28
2 stops40h 58m
£337
BelfastSan Francisco
BFS - SFO
BFSSFO
Belfast Intl
Fri 3/10
07:05-21:24
3 stops22h 19m
£347
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, September is the cheapest month in which you can book a flight from Belfast Intl Airport to California (average of £573). 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 18 September 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 18 September 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.
Overall
7.2
Boarding
7.5
Crew
8.0
Comfort
7.2
Food
6.4
Entertainment
6.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2024
LHR - SAN
Overall
7.2
Boarding
7.5
Crew
8.0
Comfort
7.2
Food
6.4
Entertainment
6.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2024
LHR - SAN
Overall
7.2
Boarding
7.5
Crew
8.0
Comfort
7.2
Food
6.4
Entertainment
6.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2024
LHR - SAN
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.
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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.
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 18 September 2025.
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.