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$364+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BHD
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
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 April 2, 2025.

Round-trip from

$637
(Travelocity)

One-way from

$364
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$781
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. 11% potential increase in price ($110 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 2, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/151:25 pmLAX - BHD
1 stop14h 30mBritish Airways
Thu 10/231:15 pmBHD - LAX
1 stop15h 00mBritish Airways
Deal found 4/1$607
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/152:51 pmLAX - BHD
2 stops16h 44mAmerican Airlines
Thu 10/236:35 amBHD - LAX
1 stop21h 40mAmerican Airlines
Deal found 4/1$635
This oojo deal was found by Cheapflights users on 4/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/84:20 pmSFO - BHD
1 stop15h 00mBritish Airways
Tue 4/158:20 pmBHD - SFO
1 stop25h 30mBritish Airways
Deal found 4/1$636
This Norse deal was found by Cheapflights users on 3/31. 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.
Wed 4/304:30 pmLAX - BFS
1 stop31h 20mMultiple Airlines
Wed 5/76:10 amBFS - LAX
1 stop16h 00mMultiple Airlines
Deal found 3/31$656
This oojo deal was found by Cheapflights users on 3/31. 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 4/3010:54 amONT - BHD
2 stops17h 01mBritish Airways
Wed 5/711:30 amBHD - ONT
2 stops18h 27mBritish Airways
Deal found 3/31$675
This Delta deal was found by Cheapflights users on 4/1. 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.
Tue 4/151:50 pmLAX - BHD
1 stop23h 15mDelta
Wed 4/235:25 pmBHD - LAX
1 stop26h 25mDelta
Deal found 4/1$679
This American Airlines deal was found by Cheapflights users on 4/2. 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 5/34:20 pmSFO - BHD
1 stop16h 55mAmerican Airlines
Sat 5/107:05 amBHD - SFO
1 stop14h 45mAmerican Airlines
Deal found 4/2$719
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/44:30 pmLAX - BHD
1 stop19h 15mMultiple Airlines
Wed 6/117:05 amBHD - LAX
1 stop15h 05mMultiple Airlines
Deal found 4/1$807
This British Airways deal was found by Cheapflights users on 3/31. 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.
Mon 4/144:30 pmSNA - BHD
2 stops17h 00mBritish Airways
Mon 4/219:50 amBHD - SNA
2 stops20h 01mBritish Airways
Deal found 3/31$932
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/166:00 amSJC - BFS
3 stops30h 05mMultiple Airlines
Fri 5/239:05 pmBFS - SJC
3 stops34h 24mMultiple Airlines
Deal found 4/1$1,043
This Travelocity deal was found by Cheapflights users on 3/31. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/36:10 amSJC - BHD
2 stops21h 00mBritish Airways
Sat 7/197:05 amBHD - SJC
2 stops23h 40mBritish Airways
Deal found 3/31$1,111
This KLM deal was found by Cheapflights users on 4/2. 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.
Fri 7/181:45 pmSFO - BHD
1 stop23h 30mKLM
Sat 8/26:30 amBHD - SFO
1 stop13h 15mKLM
Deal found 4/2$1,282

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 April 2, 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

Tue 4/15

9:45 am-10:35 am

2 stops16h 50m

Belfast City

Wed 4/23

10:00 am-8:15 pm

1 stop18h 15m

$637

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Wed 4/30

4:30 pm-7:50 am

1 stop31h 20m

Belfast Intl

Wed 5/7

6:10 am-2:10 pm

1 stop16h 00m

$656

OntarioBelfast

ONT - BHD

ONTBHD

Ontario

Wed 4/30

10:54 am-11:55 am

2 stops17h 01m

Belfast City

Wed 5/7

11:30 am-9:57 pm

2 stops18h 27m

$675

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Tue 4/15

1:50 pm-9:05 pm

1 stop23h 15m

Belfast City

Wed 4/23

5:25 pm-11:50 am

1 stop26h 25m

$679

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 5/3

10:33 pm-9:05 am

2 stops26h 32m

Belfast City

Sat 5/10

7:00 pm-7:16 pm

2 stops32h 16m

$690

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 5/3

4:20 pm-5:15 pm

1 stop16h 55m

Belfast City

Sat 5/10

7:05 am-1:50 pm

1 stop14h 45m

$719

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 6/4

4:30 pm-7:45 pm

1 stop19h 15m

Belfast City

Wed 6/11

7:05 am-2:10 pm

1 stop15h 05m

$807

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Sun 6/1

1:25 pm-1:05 pm

1 stop15h 40m

Belfast City

Thu 6/12

9:35 am-8:14 pm

2 stops18h 39m

$896

Santa AnaBelfast

SNA - BHD

SNABHD

Santa Ana J. Wayne/Orange Cnty

Mon 4/14

4:30 pm-5:30 pm

2 stops17h 00m

Belfast City

Mon 4/21

9:50 am-9:51 pm

2 stops20h 01m

$932

San JoseBelfast

SJC - BFS

SJCBFS

San Jose

Fri 5/16

6:00 am-8:05 pm

3 stops30h 05m

Belfast Intl

Fri 5/23

9:05 pm-11:29 pm

3 stops34h 24m

$1,043

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 36 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 April 2, 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.

Rainfall in Belfast by month

Plan your trip to Belfast by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Belfast ranges from 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Belfast when rainfall is around 2.0 in.

Temperature in Belfast by month

Plan your trip to Belfast by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Belfast, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 April 2, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Virgin Atlantic from California to Belfast to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,898 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

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
7,898 reviews
Delta
8.0
Very good
7,898 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

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
1,323 reviews
Delta
8.0
Very good
7,898 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

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
637 reviews
Delta
8.0
Very good
7,898 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

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
7,898 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

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.
Aer Lingus
7.0
Good
1,060 reviews
Delta
8.0
Very good
7,898 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

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 Virgin Atlantic ($365), KLM ($383), and British Airways ($416).

  • 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

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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$493Average$892FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$596Average$956FlexibilityNo cancel feeOn-time70%

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