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$393+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BHD
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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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 November 10, 2025.

This Delta deal was found by Cheapflights users on 11/9. 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.
Tue 12/91:45 pmLAX - BHD
1 stop23h 15mDelta
Tue 12/166:30 amBHD - LAX
2 stops24h 07mDelta
Deal found 11/9$641
This Delta deal was found by Cheapflights users on 11/9. 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.
Wed 12/31:55 pmSFO - BHD
1 stop18h 55mDelta
Sun 12/76:30 amBHD - SFO
1 stop13h 20mDelta
Deal found 11/9$681
This American Airlines deal was found by Cheapflights users on 11/9. 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.
Sat 12/68:40 pmSFO - BHD
1 stop15h 00mAmerican Airlines
Sat 12/136:35 amBHD - SFO
1 stop16h 25mAmerican Airlines
Deal found 11/9$688
This American Airlines deal was found by Cheapflights users on 11/9. 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.
Tue 12/95:30 pmLAX - BHD
1 stop15h 15mAmerican Airlines
Tue 12/168:45 amBHD - LAX
1 stop19h 40mAmerican Airlines
Deal found 11/9$688
This Delta deal was found by Cheapflights users on 11/9. 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.
Wed 11/125:45 amSJC - BHD
2 stops27h 05mDelta
Sun 11/165:20 pmBHD - SJC
2 stops37h 36mDelta
Deal found 11/9$696
This American Airlines deal was found by Cheapflights users on 11/9. 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.
Sat 11/158:45 amSFO - BHD
2 stops18h 25mAmerican Airlines
Sat 11/229:15 amBHD - SFO
2 stops20h 18mAmerican Airlines
Deal found 11/9$703
This American Airlines deal was found by Cheapflights users on 11/9. 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.
Mon 11/245:45 pmLAX - BHD
1 stop14h 20mAmerican Airlines
Sat 12/611:35 amBHD - LAX
1 stop16h 50mAmerican Airlines
Deal found 11/9$708
This Delta deal was found by Cheapflights users on 11/10. 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.
Sat 11/1511:45 amSFO - BHD
2 stops25h 15mDelta
Sun 11/236:30 amBHD - SFO
1 stop13h 20mDelta
Deal found 11/10$715
This oojo deal was found by Cheapflights users on 11/9. 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.
Mon 12/812:15 amLAX - BHD
2 stops24h 10mBritish Airways
Tue 12/1611:25 amBHD - LAX
1 stop17h 00mBritish Airways
Deal found 11/9$755
This oojo deal was found by Cheapflights users on 11/9. 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 12/93:01 pmSNA - BHD
2 stops17h 44mBritish Airways
Tue 12/168:45 amBHD - SNA
2 stops20h 56mBritish Airways
Deal found 11/9$769
This FlightHub deal was found by Cheapflights users on 11/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:00 amLAX - BHD
2 stops17h 10mBritish Airways
Wed 12/177:25 pmBHD - LAX
2 stops31h 11mBritish Airways
Deal found 11/10$784
This FlightHub deal was found by Cheapflights users on 11/9. 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.
Sun 11/239:55 amLAX - BHD
2 stops16h 25mBritish Airways
Sun 12/76:30 amBHD - LAX
1 stop17h 20mBritish Airways
Deal found 11/9$803

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 November 10, 2025.

Round-trip from

$608
(American Airlines)

One-way from

$393
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$895
From California to Belfast
Search Deals
One-way flight from California to Belfast
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($199 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 10, 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

Wed 2/4

8:55 am-10:15 am

2 stops17h 20m

Belfast City

Sat 2/14

11:35 am-8:25 pm

1 stop16h 50m

$622

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 3/24

6:30 pm-2:50 pm

1 stop13h 20m

Belfast City

Tue 3/31

6:35 am-1:50 pm

1 stop15h 15m

$630

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Tue 12/9

1:45 pm-9:00 pm

1 stop23h 15m

Belfast City

Tue 12/16

6:30 am-10:37 pm

2 stops24h 07m

$641

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Fri 1/23

9:30 am-10:30 am

2 stops17h 00m

Belfast City

Tue 2/3

6:35 am-5:05 pm

2 stops18h 30m

$644

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 3/24

10:24 am-10:30 am

2 stops17h 06m

Belfast City

Tue 3/31

6:35 am-1:50 pm

1 stop15h 15m

$645

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 3/24

9:37 am-11:30 am

2 stops18h 53m

Belfast City

Tue 3/31

6:35 am-6:42 pm

2 stops20h 07m

$653

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 12/3

1:55 pm-9:00 pm

1 stop23h 05m

Belfast City

Sun 12/7

6:30 am-11:50 am

1 stop13h 20m

$680

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 12/6

8:40 pm-7:40 pm

1 stop15h 00m

Belfast City

Sat 12/13

6:35 am-3:00 pm

1 stop16h 25m

$688

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Thu 4/2

1:50 pm-9:20 pm

2 stops23h 30m

Belfast City

Mon 4/6

5:25 pm-9:49 pm

2 stops36h 24m

$718

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Thu 4/2

1:50 pm-4:55 pm

2 stops19h 05m

Belfast City

Mon 4/6

5:25 pm-9:49 pm

2 stops36h 24m

$719

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

Showing 1-10 of 31 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 $914). 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 November 10, 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 American Airlines, British Airways, and Delta fly from California to Belfast in about 13h 20m. The time it takes to get you to your destination can typically vary by up to 9h 55m. There are 5038 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 $914). 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 November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$599Average$894FlexibilityNo cancel feeOn-time70%

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