Cheap flights from California to Belfast Intl Airport from £212
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 17/11. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from California to Belfast Intl
Keep the following information in mind while searching for California to Belfast Intl flight deals. Data was last updated 16 September 2025.
Find flight deals from California to Belfast Intl
Cheapest flights from California to Belfast IntlExplore the most affordable flight options available from California to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.
Explore the most affordable flight options available from California to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from California to Belfast Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Los AngelesBelfast
LAX - BFS
LAXBFS
Los Angeles
Tue 21/10
20:05-23:10
1 stop19h 05m
Belfast Intl
Tue 28/10
06:00-19:30
1 stop20h 30m
Los AngelesBelfast
LAX - BFS
LAXBFS
Los Angeles
Thu 30/10
20:10-22:20
2 stops19h 10m
Belfast Intl
Thu 6/11
14:25-16:35
2 stops34h 10m
Los AngelesBelfast
LAX - BFS
LAXBFS
Los Angeles
Fri 21/11
07:00-22:00
3 stops31h 00m
Belfast Intl
Sun 30/11
22:45-18:30
2 stops27h 45m
San FranciscoBelfast
SFO - BFS
SFOBFS
San Francisco
Thu 30/10
20:25-22:20
2 stops18h 55m
Belfast Intl
Thu 6/11
14:25-16:30
2 stops34h 05m
Los AngelesBelfast
LAX - BFS
LAXBFS
Los Angeles
Fri 31/10
14:45-15:30
2 stops17h 45m
Belfast Intl
Fri 7/11
07:50-15:00
3 stops39h 10m
Los AngelesBelfast
LAX - BFS
LAXBFS
Los Angeles
Fri 23/1
15:00-14:40
2 stops39h 40m
Belfast Intl
Tue 3/2
06:25-18:30
2 stops44h 05m
San JoseBelfast
SJC - BFS
SJCBFS
San Jose
Sat 27/9
06:35-22:25
3 stops31h 50m
Belfast Intl
Tue 30/9
07:30-22:43
2 stops23h 13m
San JoseBelfast
SJC - BFS
SJCBFS
San Jose
Sun 28/9
06:35-20:20
3 stops29h 45m
Belfast Intl
Wed 1/10
15:25-19:13
3 stops35h 48m
San FranciscoBelfast
SFO - BFS
SFOBFS
San Francisco
Mon 17/11
16:35-07:50
3 stops55h 15m
San FranciscoBelfast
SFO - BFS
SFOBFS
San Francisco
Mon 10/11
16:35-07:50
3 stops55h 15m
Best time to book a flight from California to Belfast Intl
Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from California with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from California to Belfast Intl Airport
What is the cheapest month to book a flight from California to Belfast Intl Airport?
Currently, January is the cheapest month in which you can book a flight from California to Belfast Intl Airport (average of £67). Flying from California to Belfast Intl Airport in July is currently the most expensive (average of £90). 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 CA to BFS?
Find hourly flight availability from California to Belfast Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 September 2025.
When flying from California to Belfast Intl Airport, 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 California to Belfast Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Belfast Intl Airport?
Book flights to Belfast Intl Airport if you plan to visit one of these locationsBrowse thousands of different options on Cheapflights for your next trip
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Alternative routes for California to Belfast Intl
See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from California to Belfast Intl?
Deals for California to Belfast Intl 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 California to Belfast Intl?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Belfast Intl from California.
Can Cheapflights find flights from California to Belfast Intl with no change fees?
Certainly. Search results for flights to Belfast Intl from California shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from California to Belfast Intl become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Belfast Intl from California today and book when prices fit your budget.