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$176+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BHD
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
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 January 8, 2026.

Round-trip from

$574
(American Airlines)

One-way from

$176
(oojo)

Popular in

June

Cheapest in

October

Average price

$700
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. 16% potential increase in price ($184 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 8, 2026.

This American Airlines deal was found by Cheapflights users on 1/6. 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.
Sun 1/185:30 pmLAX - BHD
1 stop15h 20mAmerican Airlines
Tue 2/33:05 pmBHD - LAX
1 stop32h 15mAmerican Airlines
Deal found 1/6$574
This oojo deal was found by Cheapflights users on 1/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:28 pmLAX - BHD
2 stops16h 02mBritish Airways
Mon 4/207:30 pmBHD - LAX
1 stop30h 55mBritish Airways
Deal found 1/6$587
This British Airways deal was found by Cheapflights users on 1/6. 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.
Wed 2/256:00 pmLAX - BHD
1 stop14h 35mBritish Airways
Sun 3/16:30 amBHD - LAX
1 stop15h 00mBritish Airways
Deal found 1/6$602
This British Airways deal was found by Cheapflights users on 1/7. 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.
Wed 3/48:40 pmSFO - BHD
1 stop14h 30mBritish Airways
Sun 3/86:30 amBHD - SFO
1 stop20h 15mBritish Airways
Deal found 1/7$627
This British Airways deal was found by Cheapflights users on 1/6. 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.
Fri 2/272:27 pmSFO - BHD
2 stops20h 48mBritish Airways
Tue 3/38:45 amBHD - SFO
1 stop14h 15mBritish Airways
Deal found 1/6$631
This American Airlines deal was found by Cheapflights users on 1/6. 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.
Fri 1/237:25 pmLAX - BHD
1 stop13h 50mAmerican Airlines
Tue 2/36:35 amBHD - LAX
1 stop16h 45mAmerican Airlines
Deal found 1/6$634
This oojo deal was found by Cheapflights users on 1/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:28 pmLAX - BHD
2 stops17h 52mBritish Airways
Sun 4/198:05 pmBHD - LAX
1 stop26h 50mBritish Airways
Deal found 1/8$638
This KLM deal was found by Cheapflights users on 1/6. 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.
Sun 1/1811:55 amLAX - BHD
2 stops20h 55mKLM
Tue 2/35:20 pmBHD - LAX
1 stop26h 25mKLM
Deal found 1/6$641
This British Airways deal was found by Cheapflights users on 1/6. 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.
Wed 2/256:00 amONT - BHD
2 stops26h 35mBritish Airways
Sun 3/110:40 amBHD - ONT
2 stops19h 27mBritish Airways
Deal found 1/6$641
This British Airways deal was found by Cheapflights users on 1/6. 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.
Wed 3/47:45 amSNA - BHD
2 stops18h 30mBritish Airways
Sun 3/86:30 amBHD - SNA
2 stops22h 09mBritish Airways
Deal found 1/6$641
This British Airways deal was found by Cheapflights users on 1/8. 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.
Sun 2/225:02 pmONT - BHD
2 stops15h 48mBritish Airways
Sun 3/110:40 amBHD - ONT
2 stops19h 27mBritish Airways
Deal found 1/8$642
This British Airways deal was found by Cheapflights users on 1/6. 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.
Fri 2/272:07 pmSJC - BHD
2 stops21h 08mBritish Airways
Tue 3/310:00 amBHD - SJC
2 stops35h 17mBritish Airways
Deal found 1/6$647

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 January 8, 2026.
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

Wed 4/15

1:28 pm-1:30 pm

2 stops16h 02m

Belfast City

Mon 4/20

7:30 pm-6:25 pm

1 stop30h 55m

$587

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 3/4

9:00 pm-7:10 pm

1 stop14h 10m

Belfast City

Sun 3/8

6:30 am-3:50 pm

1 stop17h 20m

$602

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 2/25

3:30 pm-4:35 pm

1 stop17h 05m

Belfast City

Sun 3/1

8:25 pm-1:30 pm

1 stop25h 05m

$602

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 3/4

5:30 pm-4:35 pm

1 stop15h 05m

Belfast City

Sun 3/8

9:10 am-3:00 pm

1 stop13h 50m

$627

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 2/25

5:30 pm-4:35 pm

1 stop15h 05m

Belfast City

Sun 3/1

12:10 pm-3:00 pm

1 stop34h 50m

$627

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Fri 2/27

8:40 pm-7:15 pm

1 stop14h 35m

Belfast City

Tue 3/3

11:25 am-6:45 pm

1 stop15h 20m

$627

OntarioBelfast

ONT - BHD

ONTBHD

Ontario

Wed 3/4

7:00 am-4:35 pm

2 stops25h 35m

Belfast City

Sun 3/8

6:30 am-9:07 pm

2 stops22h 37m

$641

OntarioBelfast

ONT - BHD

ONTBHD

Ontario

Wed 2/25

6:00 am-4:35 pm

2 stops26h 35m

Belfast City

Sun 3/1

10:40 am-10:07 pm

2 stops19h 27m

$641

OntarioBelfast

ONT - BHD

ONTBHD

Ontario

Tue 4/14

4:52 pm-7:40 pm

2 stops18h 48m

Belfast City

Sun 4/19

1:10 pm-9:59 pm

2 stops16h 49m

$641

Santa AnaBelfast

SNA - BHD

SNABHD

Santa Ana J. Wayne/Orange Cnty

Wed 3/4

7:45 am-10:15 am

2 stops18h 30m

Belfast City

Sun 3/8

6:30 am-8:39 pm

2 stops22h 09m

$641

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 60 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 $585). 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.

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 fly from California to Belfast in about 16h 02m. The time it takes to get you to your destination can typically vary by up to . There are 5128 mi between California and Belfast.

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

    The most popular route from California to Belfast is Los Angeles - Belfast City. You may also consider Los Angeles - Belfast Intl or Ontario - 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 $585). 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

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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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$599Average$882FlexibilityNo cancel feeOn-time70%

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