$278+ Cheap flights from California to Belfast Intl (BFS)
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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from California to Belfast Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap 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 December 17, 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 December 17, 2025.
This Trip.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find 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 December 17, 2025.
Round-trip from | $802 (Mytrip) |
|---|---|
One-way from | $278 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $1,098 |
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
Fri 1/30
8:15 pm-10:00 pm
2 stops17h 45m
Belfast Intl
Fri 2/6
8:05 am-6:30 pm
2 stops18h 25m
San FranciscoBelfast
SFO - BFS
SFOBFS
San Francisco
Mon 1/12
4:30 pm-4:15 pm
1 stop15h 45m
Belfast Intl
Tue 1/27
5:45 am-8:10 pm
2 stops46h 25m
Los AngelesBelfast
LAX - BFS
LAXBFS
Los Angeles
Sat 5/23
8:05 am-9:30 pm
3 stops29h 25m
Belfast Intl
Sat 5/30
10:25 pm-9:45 pm
3 stops31h 20m
Los AngelesBelfast
LAX - BFS
LAXBFS
Los Angeles
Thu 1/8
8:15 pm-8:25 pm
2 stops16h 10m
Belfast Intl
Fri 1/16
5:30 pm-2:00 pm
1 stop28h 30m
San FranciscoBelfast
SFO - BFS
SFOBFS
San Francisco
Wed 12/24
12:50 pm-8:20 am
1 stop35h 30m
Belfast Intl
Tue 12/30
6:00 am-5:00 pm
1 stop19h 00m
San JoseBelfast
SJC - BFS
SJCBFS
San Jose
Sun 12/28
6:15 am-2:10 pm
2 stops23h 55m
Belfast Intl
Wed 12/31
2:35 pm-3:26 pm
3 stops32h 51m
Los AngelesBelfast
LAX - BFS
LAXBFS
Los Angeles
Fri 1/30
12:15 pm-12:00 pm
2 stops39h 45m
Los AngelesBelfast
LAX - BFS
LAXBFS
Los Angeles
Tue 1/27
7:00 am-6:50 pm
2 stops27h 50m
Los AngelesBelfast
LAX - BFS
LAXBFS
Los Angeles
Sat 1/31
7:00 am-7:25 am
2 stops40h 25m
Los AngelesBelfast
LAX - BFS
LAXBFS
Los Angeles
Wed 1/28
11:50 am-7:25 am
3 stops35h 35m
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, April is the cheapest month in which you can book a flight from California to Belfast Intl Airport (average of $587). Flying from California to Belfast Intl Airport in June is currently the most expensive (average of $927). 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 December 17, 2025.
When flying from California to Belfast Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 11% versus a flight at noon.
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.
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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.
Top airline flying from California to Belfast Intl
Discover the top airline that operate flights from California to Belfast Intl. 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 2,558,603 searches. Data last updated December 17, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$621 | Average$832 | FlexibilityNo cancel fee | On-time70% |