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Belfast Intl

$315+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BFS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from California to Belfast Intl

Cheapest flights from California to Belfast Intl
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 January 29, 2026.

This Connections by easyJet deal was found by Cheapflights users on 1/27. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/54:30 pm
LAX
-
BFS
1 stop32h 55m
Multiple Airlines
Sat 6/136:20 am
BFS
-
LAX
1 stop15h 50m
Multiple Airlines
Deal found 1/27$793
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:55 pm
SFO
-
BFS
1 stop17h 45m
Multiple Airlines
Tue 3/175:30 pm
BFS
-
SFO
2 stops49h 40m
Multiple Airlines
Deal found 1/27$860
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:55 pm
SFO
-
BFS
1 stop17h 45m
Multiple Airlines
Fri 3/139:05 pm
BFS
-
SFO
2 stops46h 05m
Multiple Airlines
Deal found 1/27$891
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:55 pm
SFO
-
BFS
1 stop17h 45m
Multiple Airlines
Wed 3/118:35 am
BFS
-
SFO
2 stops22h 29m
Multiple Airlines
Deal found 1/27$898
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/154:30 pm
LAX
-
BFS
1 stop17h 25m
Multiple Airlines
Tue 7/214:40 pm
BFS
-
LAX
1 stop29h 30m
Multiple Airlines
Deal found 1/28$899
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:00 am
SFO
-
BFS
2 stops25h 15m
Multiple Airlines
Wed 3/1110:10 am
BFS
-
SFO
1 stop18h 00m
Multiple Airlines
Deal found 1/27$911
This Connections by easyJet deal was found by Cheapflights users on 1/28. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/134:30 pm
LAX
-
BFS
1 stop33h 25m
Multiple Airlines
Tue 7/216:40 pm
BFS
-
LAX
1 stop27h 30m
Multiple Airlines
Deal found 1/28$912
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:55 pm
SFO
-
BFS
1 stop17h 45m
Multiple Airlines
Mon 3/166:30 am
BFS
-
SFO
2 stops21h 05m
Multiple Airlines
Deal found 1/27$929
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/114:30 pm
LAX
-
BFS
1 stop16h 15m
Multiple Airlines
Tue 7/219:20 pm
BFS
-
LAX
1 stop24h 50m
Multiple Airlines
Deal found 1/28$947
This Mytrip deal was found by Cheapflights users on 1/27. 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.
Fri 3/138:55 pm
SFO
-
BFS
2 stops19h 55m
Multiple Airlines
Fri 3/207:50 am
BFS
-
SFO
3 stops38h 55m
Multiple Airlines
Deal found 1/27$950
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:29 am
SFO
-
BFS
2 stops22h 26m
Multiple Airlines
Wed 3/1110:10 am
BFS
-
SFO
1 stop18h 00m
Multiple Airlines
Deal found 1/27$954
This Booking.com deal was found by Cheapflights users on 1/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/142:05 pm
LAX
-
BFS
2 stops25h 15m
Multiple Airlines
Sat 3/2112:00 pm
BFS
-
LAX
2 stops31h 10m
Multiple Airlines
Deal found 1/28$973

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 January 29, 2026.

Round-trip from

$793
(Connections by easyJet)

One-way from

$315
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$700
From California to Belfast Intl
Search Deals
One-way flight from California to Belfast Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($184 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from California to Belfast Intl 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 January 29, 2026.
Use the filters below to find and compare flights from California to Belfast Intl Airport that are best for you.

Fly from

California

Fly to

Belfast Intl

Route

Depart

Return

Price

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Fri 6/5

4:30 pm-9:25 am

1 stop32h 55m

Belfast Intl

Sat 6/13

6:20 am-2:10 pm

1 stop15h 50m

$793

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 3/3

7:55 pm-9:40 pm

1 stop17h 45m

Belfast Intl

Fri 3/13

9:05 pm-12:10 pm

2 stops46h 05m

$891

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 3/3

7:55 pm-9:40 pm

1 stop17h 45m

Belfast Intl

Wed 3/11

8:35 am-12:04 am

2 stops22h 29m

$898

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Wed 7/15

4:30 pm-5:55 pm

1 stop17h 25m

Belfast Intl

Tue 7/21

4:40 pm-2:10 pm

1 stop29h 30m

$899

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Mon 3/2

7:00 am-4:15 pm

2 stops25h 15m

Belfast Intl

Wed 3/11

10:10 am-9:10 pm

1 stop18h 00m

$911

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Mon 7/13

4:30 pm-9:55 am

1 stop33h 25m

Belfast Intl

Tue 7/21

6:40 pm-2:10 pm

1 stop27h 30m

$912

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Fri 3/13

8:55 pm-11:50 pm

2 stops19h 55m

Belfast Intl

Fri 3/20

7:50 am-3:45 pm

3 stops38h 55m

$950

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Sat 3/14

2:05 pm-10:20 pm

2 stops25h 15m

Belfast Intl

Sat 3/21

12:00 pm-12:10 pm

2 stops31h 10m

$973

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Fri 3/6

7:55 pm-11:50 pm

2 stops19h 55m

Belfast Intl

Wed 3/11

10:10 am-9:10 pm

1 stop18h 00m

$989

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Thu 7/16

4:30 pm-4:25 pm

1 stop15h 55m

Belfast Intl

Tue 7/21

9:20 pm-2:10 pm

1 stop24h 50m

$992

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 19 results
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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.
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 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.

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.

  • What are the most popular routes from California to Belfast Intl Airport?

    While some choose either San Francisco - Belfast Intl or Las Vegas Harry Reid Intl - Belfast Intl, Los Angeles - Belfast Intl is the most popular route from California to Belfast Intl Airport.

  • Can I find deals for flights from California to Belfast Intl that include hotel bookings?

    Yes. In addition to deals on California to Belfast Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from California to Belfast Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Belfast Intl.

  • Can I find deals for business class flights from California to Belfast Intl?

    Yes. Cheapflights offers flight deals from California to Belfast Intl 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 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.

See more FAQs

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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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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$586Average$820FlexibilityNo cancel feeOn-time70%

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