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Cheap flights from California to Belfast from £207

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 27/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BHD
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from California to Belfast

Enter your travel dates to find the best prices.

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 12 December 2025.

Thu 18/1220:15LAX - BFS
2 stops27h 30mMultiple Airlines
Wed 24/1217:30BFS - LAX
1 stop28h 30mMultiple Airlines
Deal found 10/12£1,351
Thu 18/1205:45LAX - BHD
2 stops27h 05mDelta
Wed 24/1217:20BHD - LAX
2 stops36h 26mDelta
Deal found 10/12£1,387
Fri 19/1207:00LAX - BFS
2 stops43h 55mMultiple Airlines
Wed 24/1217:30BFS - LAX
1 stop28h 30mMultiple Airlines
Deal found 10/12£1,475
Mon 22/1220:15LAX - BHD
2 stops30h 35mMultiple Airlines
Sat 3/106:35BHD - LAX
1 stop21h 50mMultiple Airlines
Deal found 11/12£1,632
Thu 18/1213:45LAX - BHD
1 stop19h 05mMultiple Airlines
Wed 24/1217:20BHD - LAX
1 stop26h 25mMultiple Airlines
Deal found 10/12£1,820
Sat 27/1213:45LAX - BHD
1 stop23h 15mDelta
Sat 3/106:30BHD - LAX
2 stops17h 55mDelta
Deal found 10/12£1,823
Tue 23/1206:35LAX - BHD
2 stops26h 15mDelta
Fri 2/106:30BHD - LAX
2 stops22h 26mDelta
Deal found 10/12£1,827
Fri 19/1213:45LAX - BHD
1 stop23h 15mKLM
Wed 24/1217:20BHD - LAX
1 stop26h 25mKLM
Deal found 10/12£1,848
Thu 18/1217:40LAX - BHD
1 stop17h 10mBritish Airways
Fri 26/1206:45BHD - LAX
1 stop16h 35mBritish Airways
Deal found 10/12£1,896
Sat 27/1214:54LAX - BHD
2 stops21h 36mBritish Airways
Sat 3/106:35BHD - LAX
2 stops25h 24mBritish Airways
Deal found 11/12£1,920

Find flight deals from California to Belfast

Keep the following information in mind while searching for California to Belfast flight deals. Data was last updated 12 December 2025.

Round-trip from

£450

One-way from

£207

Popular in

June

Cheapest in

October

Average price

£820
British Airways
  • British Airways
  • 23/1-3/2
  • 2 total stops
  • 32h 40m total
  • California to Belfast
Search Deals
27/1
  • 27/1
  • 2 total stops
  • 27h 50m total
  • California to Belfast
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£104 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 12 December 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 23/1

21:00-19:15

1 stop14h 15m

Belfast City

Tue 3/2

06:35-13:30

1 stop14h 55m

£450

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Thu 12/2

21:00-18:50

1 stop13h 50m

Belfast City

Mon 16/2

11:30-18:30

1 stop15h 00m

£466

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 11/2

15:30-14:15

1 stop14h 45m

Belfast City

Sun 15/2

12:10-18:30

1 stop14h 20m

£466

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 11/2

17:30-16:35

1 stop15h 05m

Belfast City

Sun 15/2

09:10-18:45

1 stop17h 35m

£508

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Sat 24/1

22:45-16:50

2 stops34h 05m

Belfast City

Sat 31/1

17:20-21:28

2 stops36h 08m

£530

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 19/5

14:46-19:25

2 stops20h 39m

Belfast City

Thu 18/6

06:35-13:50

1 stop15h 15m

£535

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Sat 24/1

08:30-23:50

3 stops31h 20m

Belfast Intl

Sat 31/1

08:10-17:05

3 stops40h 55m

£621

OntarioBelfast

ONT - BHD

ONTBHD

Ontario

Wed 11/2

07:16-16:35

2 stops25h 19m

Belfast City

Sun 15/2

06:30-22:49

2 stops24h 19m

£626

OntarioBelfast

ONT - BHD

ONTBHD

Ontario

Sun 25/1

16:45-18:40

2 stops17h 55m

Belfast City

Sun 1/2

10:40-22:13

2 stops19h 33m

£626

OntarioBelfast

ONT - BHD

ONTBHD

Ontario

Wed 4/2

06:00-16:35

2 stops26h 35m

Belfast City

Sun 8/2

15:10-20:10

2 stops37h 00m

£626

Flights are sorted by cheapest return flights first.

Deals found on 12/12

Showing 1-10 of 40 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, March is the cheapest month in which you can book a flight from California to Belfast (average of £438). Flying from California to Belfast in June is currently the most expensive (average of £692). 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 12 December 2025.

One of the essential ways to save on airfare from California to Belfast is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at midday could potentially save you up to 25% on airfare.

How much does it cost for a return flight 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?

    For as low as £450, British Airways can have you in Belfast from California in 14h 15m. The distance from California to Belfast is about 5128 mi. This flight may include one or multiple stops.

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

    While some choose either Los Angeles - Belfast City or San Francisco - 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, March is the cheapest month in which you can book a flight from California to Belfast (average of £438). Flying from California to Belfast in June is currently the most expensive (average of £692). 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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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.

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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