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$273+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BHD
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 July 1, 2025.

Round-trip from

$554
(Norse)

One-way from

$273
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$973
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 ($165 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 1, 2025.

This Connections by easyJet deal was found by Cheapflights users on 7/1. 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 9/194:30 pmLAX - BHD
1 stop19h 55mMultiple Airlines
Fri 10/107:00 amBHD - LAX
1 stop15h 10mMultiple Airlines
Deal found 7/1$539
This Norse deal was found by Cheapflights users on 6/30. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/84:25 pmLAX - BFS
1 stop33h 30mMultiple Airlines
Wed 9/176:10 amBFS - LAX
1 stop16h 00mMultiple Airlines
Deal found 6/30$554
This Justfly.com deal was found by Cheapflights users on 6/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:20 pmSFO - BHD
1 stop17h 25mBritish Airways
Tue 10/216:35 amBHD - SFO
1 stop18h 50mBritish Airways
Deal found 6/30$624
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Wed 10/14:52 pmSFO - BHD
2 stops17h 48mAmerican Airlines
Wed 10/811:30 amBHD - SFO
1 stop13h 55mAmerican Airlines
Deal found 6/30$637
This Cheapflightsfares deal was found by Cheapflights users on 6/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/155:05 pmLAX - BHD
1 stop14h 30mBritish Airways
Thu 10/231:15 pmBHD - LAX
1 stop15h 00mBritish Airways
Deal found 6/30$637
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Wed 10/16:15 amOAK - BHD
2 stops23h 15mMultiple Airlines
Wed 10/86:50 amBHD - OAK
2 stops25h 09mMultiple Airlines
Deal found 6/30$648
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Wed 10/1511:40 amLAX - BHD
2 stops16h 15mAmerican Airlines
Thu 10/2312:40 pmBHD - LAX
1 stop15h 35mAmerican Airlines
Deal found 6/30$666
This FlightHub deal was found by Cheapflights users on 6/30. 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.
Tue 7/222:37 pmONT - BHD
2 stops18h 53mBritish Airways
Tue 8/266:35 amBHD - ONT
2 stops19h 49mBritish Airways
Deal found 6/30$707
This Iberia deal was found by Cheapflights users on 6/30. 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.
Thu 10/169:30 amLAX - BHD
2 stops17h 40mIberia
Thu 10/236:35 amBHD - LAX
1 stop19h 30mIberia
Deal found 6/30$716
This Delta deal was found by Cheapflights users on 6/29. 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.
Sun 10/191:59 pmSFO - BHD
2 stops18h 56mDelta
Fri 10/316:30 amBHD - SFO
2 stops20h 00mDelta
Deal found 6/29$725
This Delta deal was found by Cheapflights users on 7/1. 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.
Sun 8/311:55 amLAX - BHD
2 stops21h 00mDelta
Tue 8/196:40 amBHD - LAX
1 stop13h 10mDelta
Deal found 7/1$744
This Air France deal was found by Cheapflights users on 6/29. 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.
Sun 10/191:45 pmSFO - BHD
1 stop19h 10mMultiple Airlines
Sat 11/16:30 amBHD - SFO
2 stops21h 07mMultiple Airlines
Deal found 6/29$750

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 July 1, 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

Fri 9/19

4:30 pm-8:25 pm

1 stop19h 55m

Belfast City

Fri 10/10

7:00 am-2:10 pm

1 stop15h 10m

$539

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Mon 9/8

4:25 pm-9:55 am

1 stop33h 30m

Belfast Intl

Wed 9/17

6:10 am-2:10 pm

1 stop16h 00m

$554

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 10/15

7:20 pm-8:45 pm

1 stop17h 25m

Belfast City

Tue 10/21

6:35 am-5:25 pm

1 stop18h 50m

$624

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 10/1

4:52 pm-6:40 pm

2 stops17h 48m

Belfast City

Wed 10/8

11:30 am-5:25 pm

1 stop13h 55m

$637

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 10/15

5:05 pm-3:35 pm

1 stop14h 30m

Belfast City

Thu 10/23

1:15 pm-8:15 pm

1 stop15h 00m

$637

OaklandBelfast

OAK - BHD

OAKBHD

Oakland

Wed 10/1

6:15 am-1:30 pm

2 stops23h 15m

Belfast City

Wed 10/8

6:50 am-11:59 pm

2 stops25h 09m

$648

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 10/15

11:40 am-11:55 am

2 stops16h 15m

Belfast City

Thu 10/23

12:40 pm-8:15 pm

1 stop15h 35m

$666

OntarioBelfast

ONT - BHD

ONTBHD

Ontario

Tue 7/22

2:37 pm-5:30 pm

2 stops18h 53m

Belfast City

Tue 8/26

6:35 am-6:24 pm

2 stops19h 49m

$707

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Thu 10/16

9:30 am-11:10 am

2 stops17h 40m

Belfast City

Thu 10/23

6:35 am-6:05 pm

1 stop19h 30m

$716

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 10/19

1:59 pm-4:55 pm

2 stops18h 56m

Belfast City

Fri 10/31

6:30 am-7:30 pm

2 stops20h 00m

$725

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 33 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 July 1, 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.

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast. Reviews last updated July 1, 2025.
Read reviews from past customers who have flown Delta, KLM, and Virgin Atlantic from California to Belfast. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,974 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,974 reviews
Delta
8.0
Very good
7,974 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,974 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very good
7,974 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,974 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Iberia
7.0
Good
2,817 reviews
Delta
8.0
Very good
7,974 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from California to Belfast one-way?

    The cheapest airlines for a one-way flight from California to Belfast are British Airways ($395), Iberia ($404), and Delta ($453).

  • 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 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

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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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$493Average$900FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$588Average$882FlexibilityNo cancel feeOn-time70%

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