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Cheap flights from California to Northern Ireland from £286

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BFS
19 Jul — 26 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from California to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest flights from California to Northern Ireland
Explore the most affordable flight options available from California to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 June 2026.

Wed 28/1015:05
LAX
-
BHD
2 stops21h 05m
British Airways
Mon 2/1109:15
BHD
-
LAX
1 stop14h 35m
British Airways
Deal found 13/6£650
Wed 23/920:55
LAX
-
BHD
1 stop13h 50m
British Airways
Fri 2/1012:00
BHD
-
LAX
1 stop14h 25m
British Airways
Deal found 14/6£667
Wed 28/1018:30
LAX
-
BFS
2 stops20h 40m
Multiple Airlines
Mon 2/1106:40
BFS
-
LAX
3 stops32h 40m
Multiple Airlines
Deal found 13/6£674
Sun 20/920:55
LAX
-
BHD
1 stop13h 50m
British Airways
Wed 30/910:05
BHD
-
LAX
1 stop16h 15m
British Airways
Deal found 14/6£675
Sun 25/1022:00
LAX
-
BHD
1 stop26h 40m
Multiple Airlines
Mon 2/1117:45
BHD
-
LAX
1 stop27h 45m
Multiple Airlines
Deal found 15/6£675
Fri 11/1217:30
SFO
-
BHD
1 stop15h 45m
British Airways
Fri 18/1211:30
BHD
-
SFO
1 stop15h 15m
British Airways
Deal found 15/6£681
Fri 11/1215:26
SFO
-
BHD
2 stops17h 49m
American Airlines
Fri 18/1206:45
BHD
-
SFO
1 stop16h 15m
American Airlines
Deal found 15/6£698
Wed 19/807:30
LAX
-
BFS
3 stops28h 10m
Multiple Airlines
Wed 2/908:20
BFS
-
LAX
3 stops36h 05m
Multiple Airlines
Deal found 17/6£741
Sun 2/820:10
LAX
-
BFS
2 stops17h 05m
Multiple Airlines
Tue 18/805:55
BFS
-
LAX
3 stops40h 10m
Multiple Airlines
Deal found 18/6£751
Wed 23/920:10
LAX
-
BFS
2 stops19h 05m
Multiple Airlines
Fri 2/1021:30
BFS
-
LAX
3 stops42h 50m
Multiple Airlines
Deal found 14/6£761
Fri 11/1211:19
SFO
-
BFS
3 stops22h 46m
Multiple Airlines
Fri 18/1208:50
BFS
-
SFO
3 stops37h 55m
Multiple Airlines
Deal found 15/6£776
Fri 11/1214:45
SFO
-
BHD
2 stops21h 45m
Multiple Airlines
Fri 18/1207:20
BHD
-
SFO
3 stops39h 25m
Multiple Airlines
Deal found 15/6£806

Find flight deals from California to Northern Ireland

Keep the following information in mind while searching for California to Northern Ireland flight deals. Data was last updated 19 June 2026.

Round-trip from

£650

One-way from

£317
British Airways
  • British Airways
  • 28/10-2/11
  • 3 total stops
  • 35h 40m total
  • California to Northern Ireland
Search Deals
11/9
  • 11/9
  • 3 total stops
  • 39h 49m total
  • California to Northern Ireland
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from California to Northern Ireland 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 19 June 2026.
Use the filters below to find and compare flights from California to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles Los Angeles

Wed 28/10

18:30-07:30

1 stop30h 00m

Belfast City

Mon 2/11

06:35-15:50

1 stop17h 15m

£655

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles Los Angeles

Wed 28/10

18:30-22:10

2 stops20h 40m

Belfast Intl

Mon 2/11

06:40-07:20

3 stops32h 40m

£674

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles Los Angeles

Wed 23/9

12:00-13:35

2 stops17h 35m

Belfast City

Fri 2/10

09:35-19:59

2 stops18h 24m

£686

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles Los Angeles

Sun 20/9

13:50-09:20

1 stop35h 30m

Belfast City

Mon 5/10

17:30-14:45

1 stop29h 15m

£689

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Fri 11/12

15:26-17:15

2 stops17h 49m

Belfast City

Fri 18/12

06:45-15:00

1 stop16h 15m

£698

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles Los Angeles

Tue 8/9

08:30-10:45

2 stops18h 15m

Belfast City

Tue 15/9

06:30-15:00

1 stop16h 30m

£711

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles Los Angeles

Fri 25/9

20:55-20:35

1 stop15h 40m

Belfast City

Wed 30/9

10:05-18:20

1 stop16h 15m

£712

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles Los Angeles

Wed 28/10

14:44-14:15

2 stops16h 31m

Belfast City

Mon 2/11

11:30-23:23

2 stops19h 53m

£715

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles Los Angeles

Sun 2/8

16:45-16:55

1 stop16h 10m

Belfast City

Tue 18/8

17:30-14:45

1 stop29h 15m

£723

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles Los Angeles

Sun 2/8

06:00-09:20

2 stops19h 20m

Belfast City

Tue 18/8

17:30-11:50

1 stop26h 20m

£727

Flights are sorted by cheapest return flights first.

Deals found on 19/6

Showing 1-10 of 46 resultsSorted by cheapest first
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Best time to book a flight from California to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland 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 Northern Ireland
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from California to Northern Ireland. 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 Northern Ireland?

    Departing from California to Northern Ireland will take you 17h 49m. California and Northern Ireland are separated by a distance of 5038 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from California to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on California to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from California to Northern Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Northern Ireland.

  • Can I find deals for business class flights from California to Northern Ireland?

    Yes. Cheapflights offers flight deals from California to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for California to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Los Angeles to London City flights
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Fly with Cheapflights

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How does Cheapflights help users find flights from California to Northern Ireland?

Cheapflights makes it easy to find California to Northern Ireland flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from California to Northern Ireland?

Millions of users choose and trust Cheapflights to book the best flight deals from California to Northern Ireland for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from California to Northern Ireland flexibly with Cheapflights today.

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Of course! You can now track prices for flights from California to Northern Ireland 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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