HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
California

$425+ Cheap flights from Belfast Intl (BFS) to California

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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LAX
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Belfast Intl to California 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 Belfast Intl to California

Best flights from Belfast Intl to California
Discover carefully curated flight deals from Belfast Intl to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.

This Mytrip deal was found by Cheapflights users on 12/3. 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.
Sat 1/1711:10 pmBFS - SFO
3 stops47h 25mMultiple Airlines
Sat 1/2410:15 amSFO - BFS
3 stops25h 40mMultiple Airlines
Deal found 12/3$819
This Mytrip deal was found by Cheapflights users on 12/4. 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.
Sun 1/1811:05 pmBFS - LAX
3 stops47h 55mMultiple Airlines
Sun 1/258:20 amLAX - BFS
3 stops27h 50mMultiple Airlines
Deal found 12/4$830
This Mytrip deal was found by Cheapflights users on 12/3. 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.
Sat 1/176:00 amBFS - LAX
2 stops19h 00mMultiple Airlines
Sat 1/247:30 pmLAX - BFS
2 stops19h 10mMultiple Airlines
Deal found 12/3$877
This Mytrip deal was found by Cheapflights users on 12/3. 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.
Tue 1/276:30 amBFS - LAX
2 stops18h 05mMultiple Airlines
Sat 1/3111:35 amLAX - BFS
1 stop15h 20mMultiple Airlines
Deal found 12/3$1,018
This Mytrip deal was found by Cheapflights users on 12/2. 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.
Sun 1/1111:05 pmBFS - LAS
3 stops29h 34mMultiple Airlines
Sun 1/251:01 amLAS - BFS
3 stops35h 09mMultiple Airlines
Deal found 12/2$1,062
This Mytrip deal was found by Cheapflights users on 12/2. 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.
Thu 1/19:05 amBFS - LAS
2 stops16h 45mMultiple Airlines
Thu 1/87:35 pmLAS - BFS
2 stops16h 50mMultiple Airlines
Deal found 12/2$1,760

Find 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 December 4, 2025.

Round-trip from

$819
(Mytrip)

One-way from

$425
(Kiwi.com)

Popular in

February

Cheapest in

June

Average price

$1,073
From Belfast Intl to California
Search Deals
One-way flight from Belfast Intl to California
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated December 4, 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

Sat 1/17

11:10 pm-2:35 pm

3 stops47h 25m

San Francisco

Sat 1/24

10:15 am-7:55 pm

3 stops25h 40m

$819

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Sun 1/18

11:05 pm-3:00 pm

3 stops47h 55m

Los Angeles

Sun 1/25

8:20 am-8:10 pm

3 stops27h 50m

$830

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Sat 1/17

6:00 am-5:00 pm

2 stops19h 00m

Los Angeles

Sat 1/24

7:30 pm-10:40 pm

2 stops19h 10m

$877

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Tue 1/27

6:30 am-4:35 pm

2 stops18h 05m

Los Angeles

Sat 1/31

11:35 am-10:55 am

1 stop15h 20m

$1,018

BelfastLas Vegas

BFS - LAS

BFSLAS

Belfast Intl

Sun 1/11

11:05 pm-8:39 pm

3 stops29h 34m

Las Vegas Harry Reid Intl

Sun 1/25

1:01 am-8:10 pm

3 stops35h 09m

$1,062

BelfastLas Vegas

BFS - LAS

BFSLAS

Belfast Intl

Thu 1/1

9:05 am-5:50 pm

2 stops16h 45m

Las Vegas Harry Reid Intl

Thu 1/8

7:35 pm-8:25 pm

2 stops16h 50m

$1,760

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Sun 1/18

8:45 pm-6:02 pm

3 stops53h 17m

$425

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

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 round-trip 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

How much does it cost to fly round-trip from Belfast Intl Airport to California?

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 - Las Vegas Harry Reid Intl 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 vacation 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.

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.

Alternative routes for Belfast Intl to California

See prices for flight routes from nearby airports that may be better suited for you.
Belfast Intl to Orlando flights
Belfast Intl to John F Kennedy Intl flights
Belfast Intl to Dallas/Fort Worth flights
Belfast City to John F Kennedy Intl flights
Belfast City to Orlando flights
Belfast Intl to Newark flights
Belfast City to Newark flights
Belfast Intl to Boston flights
Belfast Intl to O'Hare Intl flights
Belfast Intl to Seattle flights
Belfast City to Seattle flights
Belfast Intl to Los Angeles flights
Belfast City to Dulles Intl flights
Belfast Intl to George Bush Intcntl flights
Belfast Intl to Miami flights
Belfast Intl to Atlanta flights
Belfast City to Boston flights
Belfast Intl to Las Vegas flights
Belfast City to O'Hare Intl flights
Belfast Intl to Detroit flights
Belfast Intl to Denver flights
Belfast City to Los Angeles flights
Belfast City to New Orleans flights
Belfast City to Las Vegas flights
Belfast Intl to San Francisco flights

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.