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$292+ Cheap flights from California to Belfast

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BHD
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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Cheap flight deals from California to Belfast

Keep the following information in mind while searching for California to Belfast flight deals. Data was last updated septiembre 17, 2025.

Round-trip from

$579
(Gurufare)

One-way from

$292
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$923
From California to Belfast
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One-way flight from California to Belfast
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Highest demand for flights based on searches. 18% potential increase in price ($216 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from California to Belfast

Cheapest flights from California to Belfast
Explore the most affordable flight options available from California to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/151:25 pmLAX - BHD
1 stop14h 30mAmerican Airlines
jue. 10/236:35 amBHD - LAX
1 stop21h 40mAmerican Airlines
Deal found 9/15$580
This British Airways deal was found by Cheapflights users on 9/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/24:47 pmONT - BHD
2 stops15h 58mBritish Airways
mar. 12/96:35 amBHD - ONT
2 stops23h 53mBritish Airways
Deal found 9/16$597
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/212:55 amLAX - BHD
2 stops25h 20mBritish Airways
mié. 12/1012:25 pmBHD - LAX
1 stop14h 05mBritish Airways
Deal found 9/16$615
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/169:30 pmLAX - BHD
1 stop13h 50mAmerican Airlines
jue. 10/236:35 amBHD - LAX
1 stop21h 40mAmerican Airlines
Deal found 9/15$631
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/241:45 pmSFO - BHD
1 stop23h 30mDelta
lun. 10/65:25 pmBHD - SFO
1 stop26h 20mDelta
Deal found 9/16$632
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/38:35 amLAX - BHD
2 stops18h 05mAmerican Airlines
sáb. 11/159:15 amBHD - LAX
1 stop19h 10mAmerican Airlines
Deal found 9/15$636
This Iberia deal was found by Cheapflights users on 9/15. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/3010:00 pmLAX - BHD
1 stop15h 30mMultiple Airlines
jue. 11/611:05 amBHD - LAX
2 stops19h 03mMultiple Airlines
Deal found 9/15$642
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/202:10 pmSFO - BHD
2 stops17h 30mAmerican Airlines
vie. 10/316:45 amBHD - SFO
2 stops19h 23mAmerican Airlines
Deal found 9/16$645
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/265:55 amSJC - BHD
2 stops32h 05mDelta
vie. 11/76:30 amBHD - SJC
2 stops23h 38mDelta
Deal found 9/16$647
This British Airways deal was found by Cheapflights users on 9/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/44:25 pmSNA - BHD
2 stops17h 35mBritish Airways
jue. 12/1111:05 amBHD - SNA
2 stops18h 42mBritish Airways
Deal found 9/16$647
This Iberia deal was found by Cheapflights users on 9/16. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/37:00 amONT - BHD
2 stops19h 15mMultiple Airlines
mié. 12/1011:25 amBHD - ONT
2 stops19h 03mMultiple Airlines
Deal found 9/16$662
This British Airways deal was found by Cheapflights users on 9/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/23:07 pmSNA - BHD
2 stops17h 38mBritish Airways
mar. 12/910:00 amBHD - SNA
2 stops19h 41mBritish Airways
Deal found 9/16$662

Cheapflights Fare Finder

 
Customize your flight search to find flights from California to Belfast 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 septiembre 17, 2025.
Use the filters below to find and compare flights from California to Belfast that are best for you.

Fly from

California

Fly to

Belfast

Route

Depart

Return

Price

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

dom. 3/15

10:00 pm-6:40 pm

1 stop13h 40m

Belfast City

vie. 3/27

11:30 am-7:25 pm

1 stop14h 55m

$584

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

lun. 3/16

4:30 pm-2:15 pm

1 stop14h 45m

Belfast City

mar. 3/24

10:00 am-4:50 pm

1 stop13h 50m

$584

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

lun. 3/16

4:30 pm-4:05 pm

1 stop16h 35m

Belfast City

jue. 3/26

6:35 am-4:50 pm

1 stop17h 15m

$584

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

lun. 3/16

10:00 pm-6:35 pm

1 stop13h 35m

Belfast City

lun. 3/23

5:45 pm-2:30 pm

1 stop27h 45m

$584

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

dom. 3/15

7:00 pm-4:50 pm

1 stop14h 50m

Belfast City

mar. 3/24

11:25 am-7:30 pm

1 stop15h 05m

$584

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

dom. 3/15

7:00 pm-4:50 pm

1 stop14h 50m

Belfast City

mié. 3/25

5:40 pm-2:30 pm

1 stop27h 50m

$584

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

mié. 10/15

11:30 am-11:55 am

2 stops16h 25m

Belfast City

jue. 10/23

6:35 am-8:15 pm

1 stop21h 40m

$585

OntarioBelfast

ONT - BHD

ONTBHD

Ontario

mar. 12/2

4:47 pm-4:45 pm

2 stops15h 58m

Belfast City

mar. 12/9

6:35 am-10:28 pm

2 stops23h 53m

$597

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

mar. 12/2

12:55 am-10:15 am

2 stops25h 20m

Belfast City

mié. 12/10

12:25 pm-6:30 pm

1 stop14h 05m

$615

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

vie. 1/23

3:30 pm-2:15 pm

1 stop14h 45m

Belfast City

mar. 2/3

11:25 am-6:30 pm

1 stop15h 05m

$629

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 45 results
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Best time to book a flight from California to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast 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

What is the cheapest month to book a flight from California to Belfast?

Currently, February is the cheapest month in which you can book a flight from California to Belfast (average of $657). Flying from California to Belfast in June is currently the most expensive (average of $1,189). 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to Belfast as you normally would.

Related info for your journey

Find useful and relevant information for your journey from California to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from California to Belfast?

    Airlines like British Airways, Delta, and KLM fly from California to Belfast in about 13h 40m. The time it takes to get you to your destination can typically vary by up to 5h 30m. There are 5128 mi between California and Belfast. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The most popular route from California to Belfast is Los Angeles - Belfast Intl. You may also consider Los Angeles - Belfast City or Santa Ana J. Wayne/Orange Cnty - Belfast Intl.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from California to Belfast 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?

    Currently, February is the cheapest month in which you can book a flight from California to Belfast (average of $657). Flying from California to Belfast in June is currently the most expensive (average of $1,189). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for California to Belfast

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from California to Belfast

Discover the top 2 airlines that operate flights from California to Belfast. 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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$588Average$857FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$635Average$845FlexibilityNo cancel feeOn-time71%

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