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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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BHD
26 Feb — 5 Mar1
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 21 February 2025.

Round-trip from

£524

One-way from

£208

Popular in

July

Cheapest in

November

Average price

£703
British Airways
  • British Airways
  • 20/3-27/3
  • 2 total stops
  • 32h 40m total
  • California to Belfast
Search Deals
1/4
  • 1/4
  • 3 total stops
  • 59h 45m total
  • California to Belfast
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£106 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 21 February 2025.

Wed 15/1013:25LAX - BHD
1 stop14h 30mBritish Airways
Thu 23/1006:35BHD - LAX
1 stop16h 20mBritish Airways
Deal found 20/2£477
Wed 15/1017:17LAX - BHD
2 stops17h 23mAmerican Airlines
Thu 23/1006:35BHD - LAX
1 stop16h 20mAmerican Airlines
Deal found 20/2£499
Sun 16/321:40SFO - BHD
1 stop14h 00mBritish Airways
Sun 23/306:30BHD - SFO
1 stop16h 30mBritish Airways
Deal found 21/2£524
Wed 15/1010:55ONT - BHD
2 stops18h 35mBritish Airways
Thu 23/1006:35BHD - ONT
2 stops19h 10mBritish Airways
Deal found 20/2£554
Sat 3/514:46SFO - BHD
2 stops18h 29mAmerican Airlines
Sat 10/509:35BHD - SFO
2 stops20h 16mAmerican Airlines
Deal found 21/2£577
Fri 19/915:00ONT - BHD
2 stops21h 45mIberia
Fri 26/906:35BHD - ONT
2 stops25h 01mIberia
Deal found 20/2£604
Thu 20/313:24LAX - BFS
2 stops24h 16mMultiple Airlines
Thu 27/306:30BFS - LAX
2 stops39h 18mMultiple Airlines
Deal found 20/2£610
Thu 20/305:35LAX - BHD
3 stops31h 55mMultiple Airlines
Thu 27/307:30BHD - LAX
2 stops35h 16mMultiple Airlines
Deal found 20/2£667
Thu 6/313:50SFO - BHD
1 stop23h 10mKLM
Sat 15/317:20BHD - SFO
1 stop26h 30mKLM
Deal found 21/2£810
Sat 3/523:05LAX - BHD
2 stops28h 25mFinnair
Thu 8/516:20BHD - LAX
2 stops38h 22mFinnair
Deal found 20/2£826
Fri 21/312:48SJC - BHD
2 stops21h 27mBritish Airways
Tue 1/406:35BHD - SJC
2 stops22h 50mBritish Airways
Deal found 20/2£852
Sat 5/419:05SFO - BFS
2 stops20h 20mMultiple Airlines
Sat 12/413:05BFS - SFO
2 stops40h 32mMultiple Airlines
Deal found 20/2£862

Find flights from California to Belfast within your budget

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 21 February 2025.

Fly from

California

Fly to

Belfast

Route

Depart

Return

Price

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Thu 20/3

18:20-16:40

1 stop15h 20m

Belfast City

Thu 27/3

11:05-21:25

1 stop17h 20m

£524

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 16/3

21:40-18:40

1 stop14h 00m

Belfast City

Sun 23/3

06:30-16:00

1 stop16h 30m

£524

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Thu 20/3

11:15-10:20

2 stops16h 05m

Belfast City

Thu 27/3

09:00-21:25

1 stop19h 25m

£536

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 3/5

14:46-17:15

2 stops18h 29m

Belfast City

Sat 10/5

09:35-21:51

2 stops20h 16m

£577

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Thu 20/3

13:24-20:40

2 stops24h 16m

Belfast Intl

Thu 27/3

06:30-14:48

2 stops39h 18m

£610

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Thu 20/3

05:35-20:30

3 stops31h 55m

Belfast City

Thu 27/3

07:30-11:46

2 stops35h 16m

£667

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Thu 6/3

13:50-21:00

1 stop23h 10m

Belfast City

Sat 15/3

17:20-12:50

1 stop26h 30m

£810

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Sat 3/5

23:05-11:30

2 stops28h 25m

Belfast City

Thu 8/5

16:20-22:42

2 stops38h 22m

£826

OntarioBelfast

ONT - BHD

ONTBHD

Ontario

Sat 3/5

07:00-10:10

2 stops19h 10m

Belfast City

Thu 8/5

12:40-21:58

2 stops17h 18m

£827

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Fri 21/3

12:48-17:15

2 stops21h 27m

Belfast City

Tue 1/4

06:35-21:25

2 stops22h 50m

£852

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 26 results
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2
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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.

Travel insights for flights from California to Belfast

Get recent, data-driven insights about flights from California to Belfast including ideal travel times, pricing trends, and more.

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 21 February 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 21 February 2025.
See what other customers who have flown with Delta, KLM and Finnair 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.
Delta
8.0
Very Good
8,213 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

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
8,213 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

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
1,331 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

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.

Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

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
8,213 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

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
1,070 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

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 £315. Delta flights start at £354 while deals on KLM start at £528 one-way.

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

    While some choose either Los Angeles - Belfast City or San Jose - Belfast Intl, Los Angeles - Belfast Intl is the most popular route 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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Alternative routes for California to Belfast

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Fly with Cheapflights

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How does Cheapflights help users find flights from California to Belfast?

Deals for California to Belfast flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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.

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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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