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Cheap flights from California to Belfast from £208

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BHD
18 Jun — 25 Jun1
1 adult

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 13 June 2025.

Round-trip from

£453

One-way from

£208

Popular in

June

Cheapest in

November

Average price

£804
22/8-3/9
  • 22/8-3/9
  • 2 total stops
  • 55h 25m total
  • California to Belfast
8/7
  • 8/7
  • 2 total stops
  • 51h 25m total
  • California to Belfast
Highest demand for flights based on searches. 16% potential increase in price (£89 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in June 2025

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 13 June 2025.

Fri 22/816:30LAX - BFS
1 stop31h 30mMultiple Airlines
Wed 3/922:05BFS - LAX
1 stop23h 55mMultiple Airlines
Deal found 12/6£453
Tue 7/1015:40LAX - BHD
1 stop13h 20mBritish Airways
Wed 22/1006:50BHD - LAX
1 stop14h 35mBritish Airways
Deal found 12/6£467
Wed 15/1014:51LAX - BHD
2 stops16h 44mAmerican Airlines
Thu 23/1006:35BHD - LAX
1 stop19h 00mAmerican Airlines
Deal found 11/6£489
Tue 16/916:35SFO - BHD
1 stop14h 45mAmerican Airlines
Tue 30/916:25BHD - SFO
1 stop29h 25mAmerican Airlines
Deal found 11/6£495
Sun 3/816:50LAX - BHD
1 stop20h 25mVirgin Atlantic
Mon 18/817:25BHD - LAX
1 stop26h 25mVirgin Atlantic
Deal found 11/6£518
Thu 16/1014:51LAX - BHD
2 stops19h 54mIberia
Thu 23/1006:35BHD - LAX
1 stop19h 30mIberia
Deal found 11/6£525
Tue 16/908:58SFO - BHD
2 stops17h 37mBritish Airways
Tue 30/909:35BHD - SFO
2 stops21h 58mBritish Airways
Deal found 11/6£528
Sun 3/815:05LAX - BHD
2 stops17h 50mMultiple Airlines
Mon 18/817:25BHD - LAX
1 stop26h 25mMultiple Airlines
Deal found 11/6£537
Sun 3/814:37ONT - BHD
2 stops19h 03mAmerican Airlines
Mon 18/806:40BHD - ONT
2 stops19h 44mAmerican Airlines
Deal found 11/6£732
Mon 13/1019:20SFO - BHD
1 stop14h 10mMultiple Airlines
Thu 16/1006:45BHD - SFO
2 stops17h 45mMultiple Airlines
Deal found 11/6£765
Sat 26/709:38SNA - BFS
3 stops29h 27mMultiple Airlines
Sat 2/805:45BFS - SNA
3 stops38h 39mMultiple Airlines
Deal found 11/6£980
Wed 2/717:10LAX - BHD
2 stops15h 45mKLM
Wed 9/717:25BHD - LAX
1 stop26h 25mKLM
Deal found 11/6£994

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 13 June 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 - BFS

LAXBFS

Los Angeles

Fri 22/8

16:30-08:00

1 stop31h 30m

Belfast Intl

Wed 3/9

22:05-14:00

1 stop23h 55m

£453

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Tue 7/10

15:40-13:00

1 stop13h 20m

Belfast City

Wed 22/10

06:50-13:25

1 stop14h 35m

£467

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 15/10

14:51-15:35

2 stops16h 44m

Belfast City

Thu 23/10

06:35-17:35

1 stop19h 00m

£489

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 16/9

16:35-15:20

1 stop14h 45m

Belfast City

Tue 30/9

16:25-13:50

1 stop29h 25m

£495

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Sun 3/8

16:50-21:15

1 stop20h 25m

Belfast City

Mon 18/8

17:25-11:50

1 stop26h 25m

£518

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Thu 16/10

14:51-18:45

2 stops19h 54m

Belfast City

Thu 23/10

06:35-18:05

1 stop19h 30m

£525

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 16/9

08:58-10:35

2 stops17h 37m

Belfast City

Tue 30/9

09:35-23:33

2 stops21h 58m

£528

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Sun 3/8

15:05-16:55

2 stops17h 50m

Belfast City

Mon 18/8

17:25-11:50

1 stop26h 25m

£537

OntarioBelfast

ONT - BHD

ONTBHD

Ontario

Sun 3/8

14:37-17:40

2 stops19h 03m

Belfast City

Mon 18/8

06:40-18:24

2 stops19h 44m

£732

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 13/10

19:20-17:30

1 stop14h 10m

Belfast City

Thu 16/10

06:45-16:30

2 stops17h 45m

£765

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 35 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 return 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, January is the cheapest month in which you can book a flight from California to Belfast (average of £67). Flying from California to Belfast in July is currently the most expensive (average of £90). 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 13 June 2025.

When flying from California to Belfast, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast when rainfall is around 50.0 mm.

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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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 13 June 2025.
See what other customers who have flown with Delta, KLM and Air France from California to Belfast have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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.
8.0
Very Good

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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.

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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.

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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.

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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.

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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?

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at £293. Iberia flights start at £403 while deals on American Airlines start at £481 one-way.

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

  • 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 holiday 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, January is the cheapest month in which you can book a flight from California to Belfast (average of £67). Flying from California to Belfast in July is currently the most expensive (average of £90). 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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Why should you use Cheapflights to find cheap flight tickets from California to Belfast?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from California to Belfast.

Can Cheapflights find flights from California to Belfast with no change fees?

Certainly. Search results for flights to Belfast from California shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from California to Belfast become cheaper?

Of course! You can now track prices for flights from California to Belfast and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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