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$509+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BHD
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap 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 diciembre 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
jue. 12/188:15 pmLAX - BFS
2 stops27h 30mMultiple Airlines
mié. 12/245:30 pmBFS - LAX
1 stop28h 30mMultiple Airlines
Deal found 12/10$1,809
This Ovago deal was found by Cheapflights users on 12/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/241:15 pmLAS - BHD
2 stops43h 25mBritish Airways
dom. 12/288:25 pmBHD - LAS
1 stop30h 25mBritish Airways
Deal found 12/10$1,842
This Delta deal was found by Cheapflights users on 12/10. 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.
jue. 12/185:45 amLAX - BHD
2 stops27h 05mDelta
mié. 12/245:20 pmBHD - LAX
2 stops36h 26mDelta
Deal found 12/10$1,857
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
vie. 12/197:00 amLAX - BFS
2 stops43h 55mMultiple Airlines
mié. 12/245:30 pmBFS - LAX
1 stop28h 30mMultiple Airlines
Deal found 12/10$1,975
This eDestinos deal was found by Cheapflights users on 12/11. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/228:15 pmLAX - BHD
2 stops30h 35mMultiple Airlines
sáb. 1/36:35 amBHD - LAX
1 stop21h 50mMultiple Airlines
Deal found 12/11$2,185
This Air France deal was found by Cheapflights users on 12/10. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/181:45 pmLAX - BHD
1 stop19h 05mMultiple Airlines
mié. 12/245:20 pmBHD - LAX
1 stop26h 25mMultiple Airlines
Deal found 12/10$2,437
This Delta deal was found by Cheapflights users on 12/10. 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.
sáb. 12/271:45 pmLAX - BHD
1 stop23h 15mDelta
sáb. 1/36:30 amBHD - LAX
2 stops17h 55mDelta
Deal found 12/10$2,441
This Delta deal was found by Cheapflights users on 12/10. 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.
mar. 12/236:35 amLAX - BHD
2 stops26h 15mDelta
vie. 1/26:30 amBHD - LAX
2 stops22h 26mDelta
Deal found 12/10$2,446
This KLM deal was found by Cheapflights users on 12/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/191:45 pmLAX - BHD
1 stop23h 15mKLM
mié. 12/245:20 pmBHD - LAX
1 stop26h 25mKLM
Deal found 12/10$2,475
This Ovago deal was found by Cheapflights users on 12/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/185:40 pmLAX - BHD
1 stop17h 10mBritish Airways
vie. 12/266:45 amBHD - LAX
1 stop16h 35mBritish Airways
Deal found 12/10$2,539
This FlightHub deal was found by Cheapflights users on 12/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/272:54 pmLAX - BHD
2 stops21h 36mBritish Airways
sáb. 1/36:35 amBHD - LAX
2 stops25h 24mBritish Airways
Deal found 12/11$2,571

Find flight deals from California to Belfast

Keep the following information in mind while searching for California to Belfast flight deals. Data was last updated diciembre 12, 2025.

Round-trip from

$603
(Cheapflightsfares)

One-way from

$509
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,098
From California to Belfast
Search Deals
One-way flight from California to Belfast
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($187 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 December 2025
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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 diciembre 12, 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

vie. 1/23

9:00 pm-7:15 pm

1 stop14h 15m

Belfast City

mar. 2/3

6:35 am-1:30 pm

1 stop14h 55m

$603

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

jue. 2/12

9:00 pm-6:50 pm

1 stop13h 50m

Belfast City

lun. 2/16

11:30 am-6:30 pm

1 stop15h 00m

$624

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

mié. 2/11

3:30 pm-2:15 pm

1 stop14h 45m

Belfast City

dom. 2/15

12:10 pm-6:30 pm

1 stop14h 20m

$624

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

mié. 2/11

5:30 pm-4:35 pm

1 stop15h 05m

Belfast City

dom. 2/15

9:10 am-6:45 pm

1 stop17h 35m

$680

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

sáb. 1/24

10:45 pm-4:50 pm

2 stops34h 05m

Belfast City

sáb. 1/31

5:20 pm-9:28 pm

2 stops36h 08m

$710

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

mar. 5/19

2:46 pm-7:25 pm

2 stops20h 39m

Belfast City

jue. 6/18

6:35 am-1:50 pm

1 stop15h 15m

$716

Las VegasBelfast

LAS - BHD

LASBHD

Las Vegas Harry Reid Intl

jue. 2/5

12:00 pm-4:40 pm

2 stops20h 40m

Belfast City

lun. 2/9

5:45 pm-6:50 pm

1 stop33h 05m

$828

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

sáb. 1/24

8:30 am-11:50 pm

3 stops31h 20m

Belfast Intl

sáb. 1/31

8:10 am-5:05 pm

3 stops40h 55m

$832

Santa AnaBelfast

SNA - BHD

SNABHD

Santa Ana J. Wayne/Orange Cnty

mié. 2/11

11:42 am-2:15 pm

2 stops18h 33m

Belfast City

dom. 2/15

9:10 am-9:54 pm

2 stops20h 44m

$838

Santa AnaBelfast

SNA - BHD

SNABHD

Santa Ana J. Wayne/Orange Cnty

jue. 1/29

4:23 pm-4:40 pm

2 stops16h 17m

Belfast City

lun. 2/2

6:35 am-10:01 pm

2 stops23h 26m

$838

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 27 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, March is the cheapest month in which you can book a flight from California to Belfast (average of $586). Flying from California to Belfast 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 12, 2025.

When flying from California to Belfast, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 17% versus a flight in the evening.

What is the cheapest day to fly from California to Belfast?

Use this chart to determine the cheapest time to fly round-trip from California to Belfast. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their California to Belfast flight should consider departing on Sunday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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

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 and KLM fly from California to Belfast in about 14h 15m. The time it takes to get you to your destination can typically vary by up to 19h 50m. 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 San Francisco - Belfast City.

  • 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, March is the cheapest month in which you can book a flight from California to Belfast (average of $586). Flying from California to Belfast 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

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 airline flying from California to Belfast

Discover the top airline 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$599Average$870FlexibilityNo cancel feeOn-time70%

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