How long is the flight from California to Northern Ireland?

Departing from California to Northern Ireland will take you 13h 40m. California and Northern Ireland are separated by a distance of 5128 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Northern Ireland 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 Northern Ireland when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Northern Ireland, 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).

What is the cheapest month to fly from California to Northern Ireland?

November can be a great time to fly to Northern Ireland from California with a flight ticket averaging about £683. Cheapflights users have found deals in the month of November for as cheap as £487. The most expensive prices can be found in the month of June.

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.

£212+ Flights from California to Northern Ireland

Cheap flight deals from California to Northern Ireland

Round-trip from	£426
One-way from	£212
Popular in	June
Cheapest in	November
Average price	£679

Finnair
15/3-26/3
2 total stops
31h 45m total
California to Northern Ireland

Search Deals

17/11
3 total stops
55h 15m total
California to Northern Ireland

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£116 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 September 2025

Search Deals

Find flight deals from California to Northern Ireland

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 16 September 2025.

Wed 15/1013:25LAX - BHD

1 stop16h 05mAmerican Airlines

Thu 23/1006:35BHD - LAX

1 stop19h 30mAmerican Airlines

Deal found 14/9£427

Thu 16/1021:30LAX - BHD

1 stop13h 50mAmerican Airlines

Thu 23/1006:35BHD - LAX

1 stop19h 30mAmerican Airlines

Deal found 14/9£464

Mon 6/1013:45SFO - BHD

1 stop19h 10mKLM

Tue 4/1117:20BHD - SFO

1 stop26h 30mKLM

Deal found 13/9£465

Mon 6/1015:23SFO - BHD

2 stops17h 32mKLM

Mon 3/1117:20BHD - SFO

1 stop26h 30mKLM

Deal found 13/9£468

Mon 3/1108:35LAX - BHD

2 stops18h 05mAmerican Airlines

Sat 15/1106:35BHD - LAX

1 stop21h 50mAmerican Airlines

Deal found 14/9£468

Thu 30/1022:00LAX - BHD

1 stop15h 30mMultiple Airlines

Thu 6/1111:05BHD - LAX

2 stops19h 03mMultiple Airlines

Deal found 15/9£472

Tue 7/1010:55SFO - BHD

2 stops18h 05mAmerican Airlines

Mon 3/1106:35BHD - SFO

2 stops19h 51mAmerican Airlines

Deal found 13/9£496

Mon 3/1121:00LAX - BHD

1 stop15h 15mBritish Airways

Sat 15/1106:35BHD - LAX

1 stop19h 55mBritish Airways

Deal found 14/9£507

Thu 30/1009:59LAX - BHD

2 stops23h 51mDelta

Thu 6/1106:30BHD - LAX

2 stops23h 19mDelta

Deal found 15/9£512

Wed 3/1217:30SFO - BHD

1 stop15h 05mBritish Airways

Sun 7/1215:10BHD - SFO

1 stop35h 35mBritish Airways

Deal found 14/9£513

Mon 6/1013:45SFO - BHD

1 stop19h 10mMultiple Airlines

Sun 2/1117:20BHD - SFO

1 stop26h 30mMultiple Airlines

Deal found 13/9£515

Wed 3/1210:30SFO - BHD

2 stops26h 30mVirgin Atlantic

Sun 7/1206:30BHD - SFO

1 stop13h 20mVirgin Atlantic

Deal found 14/9£518

Best flights from California to Northern Ireland
Discover carefully curated flight deals from California to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2025.

Sun 15/322:00LAX - BHD

1 stop13h 40mBritish Airways

Fri 27/311:30BHD - LAX

1 stop14h 55mBritish Airways

Deal found 15/9£430

Wed 15/1011:30LAX - BHD

2 stops16h 25mAmerican Airlines

Thu 23/1012:40BHD - LAX

1 stop15h 35mAmerican Airlines

Deal found 14/9£430

Mon 6/1013:45SFO - BHD

1 stop19h 10mMultiple Airlines

Mon 3/1117:20BHD - SFO

1 stop26h 30mMultiple Airlines

Deal found 13/9£465

Fri 23/115:30LAX - BHD

1 stop14h 45mFinnair

Tue 3/211:25BHD - LAX

1 stop15h 05mFinnair

Deal found 15/9£465

Mon 6/1015:23SFO - BHD

2 stops17h 32mKLM

Mon 3/1117:20BHD - SFO

1 stop26h 30mKLM

Deal found 13/9£468

Wed 8/1010:40SFO - BHD

2 stops22h 15mDelta

Tue 4/1106:30BHD - SFO

1 stop13h 20mDelta

Deal found 13/9£468

Fri 17/1011:05SNA - BHD

2 stops21h 50mVirgin Atlantic

Tue 21/1017:25BHD - SNA

2 stops37h 03mVirgin Atlantic

Deal found 14/9£542

Sun 15/322:00LAX - BHD

1 stop13h 40mBritish Airways

Mon 23/317:45BHD - LAX

1 stop27h 45mBritish Airways

Deal found 15/9£430

Thu 16/1021:30LAX - BHD

1 stop13h 50mAmerican Airlines

Thu 23/1006:35BHD - LAX

1 stop19h 30mAmerican Airlines

Deal found 14/9£464

Tue 7/1013:45SFO - BHD

2 stops19h 10mKLM

Mon 3/1117:20BHD - SFO

1 stop26h 30mKLM

Deal found 13/9£468

Sun 15/319:00LAX - BHD

1 stop14h 50mBritish Airways

Tue 24/311:25BHD - LAX

1 stop15h 05mBritish Airways

Deal found 15/9£430

Tue 7/1013:45SFO - BHD

2 stops19h 10mKLM

Tue 4/1117:20BHD - SFO

1 stop26h 30mKLM

Deal found 13/9£468

Last-minute flights from California to Northern Ireland
Discover last-minute flight deals from California to Northern Ireland. Data last updated 16 September 2025 and is based on user searches.

Mon 15/921:35LAX - BHD

1 stop14h 00mAmerican Airlines

Mon 22/912:15BHD - LAX

1 stop16h 00mAmerican Airlines

Deal found 15/9£706

Wed 15/1013:25LAX - BHD

1 stop16h 05mAmerican Airlines

Thu 23/1006:35BHD - LAX

1 stop19h 30mAmerican Airlines

Deal found 14/9£427

Thu 16/1021:30LAX - BHD

1 stop13h 50mAmerican Airlines

Thu 23/1006:35BHD - LAX

1 stop19h 30mAmerican Airlines

Deal found 14/9£464

Thu 16/1016:36LAX - BHD

2 stops18h 44mBritish Airways

Thu 23/1012:40BHD - LAX

2 stops18h 19mBritish Airways

Deal found 14/9£531

Fri 17/1017:09SNA - BHD

2 stops20h 06mDelta

Tue 21/1006:30BHD - SNA

2 stops23h 47mDelta

Deal found 15/9£542

Tue 21/1014:15LAX - BHD

2 stops18h 40mDelta

Tue 28/1017:20BHD - LAX

1 stop26h 25mDelta

Deal found 15/9£468

Tue 21/1020:05LAX - BFS

1 stop19h 05mMultiple Airlines

Tue 28/1006:00BFS - LAX

1 stop20h 30mMultiple Airlines

Deal found 15/9£542

Thu 30/1022:00LAX - BHD

1 stop15h 30mMultiple Airlines

Thu 6/1111:05BHD - LAX

2 stops19h 03mMultiple Airlines

Deal found 15/9£472

Thu 30/1009:59LAX - BHD

2 stops23h 51mDelta

Thu 6/1106:30BHD - LAX

2 stops23h 19mDelta

Deal found 15/9£512

Thu 30/1020:10LAX - BFS

2 stops19h 10mMultiple Airlines

Thu 6/1114:25BFS - LAX

2 stops34h 10mMultiple Airlines

Deal found 15/9£607

Thu 30/1020:25SFO - BFS

2 stops18h 55mMultiple Airlines

Thu 6/1114:25BFS - SFO

2 stops34h 05mMultiple Airlines

Deal found 15/9£621

Fri 31/1014:45LAX - BFS

2 stops17h 45mMultiple Airlines

Fri 7/1107:50BFS - LAX

3 stops39h 10mMultiple Airlines

Deal found 16/9£745

One-way flights from California to Northern Ireland
Search for one-way flight options from California to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 16 September 2025.

Mon 17/1116:35SFO - BFS

3 stops55h 15mMultiple Airlines

Deal found 14/9£212

Mon 10/1116:35SFO - BFS

3 stops55h 15mMultiple Airlines

Deal found 14/9£215

Mon 17/1116:35SFO - BHD

3 stops40h 15mMultiple Airlines

Deal found 14/9£216

Mon 10/1116:35SFO - BHD

3 stops41h 00mMultiple Airlines

Deal found 14/9£227

Mon 10/1120:40SFO - BHD

1 stop13h 55mBritish Airways

Deal found 14/9£269

Cheapflights Fare Finder

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

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Sun 15/3

22:00-18:40

1 stop13h 40m

Belfast City

Fri 27/3

11:30-19:25

1 stop14h 55m

£430

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Sun 15/3

22:00-18:40

1 stop13h 40m

Belfast City

Mon 23/3

17:45-14:30

1 stop27h 45m

£430

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Sun 15/3

19:00-16:50

1 stop14h 50m

Belfast City

Tue 24/3

11:25-19:30

1 stop15h 05m

£430

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Sun 15/3

19:00-16:50

1 stop14h 50m

Belfast City

Wed 25/3

17:40-14:30

1 stop27h 50m

£430

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 15/10

11:30-11:55

2 stops16h 25m

Belfast City

Thu 23/10

12:40-20:15

1 stop15h 35m

£430

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Fri 23/1

15:30-14:15

1 stop14h 45m

Belfast City

Tue 3/2

11:25-18:30

1 stop15h 05m

£463

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Thu 16/10

21:30-19:20

1 stop13h 50m

Belfast City

Thu 23/10

06:35-18:05

1 stop19h 30m

£464

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 6/10

13:45-16:55

1 stop19h 10m

Belfast City

Mon 3/11

17:20-11:50

1 stop26h 30m

£465

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Fri 23/1

15:30-14:15

1 stop14h 45m

Belfast City

Tue 3/2

11:25-18:30

1 stop15h 05m

£465

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Sat 14/3

22:00-19:40

1 stop14h 40m

Belfast City

Thu 26/3

09:05-16:50

1 stop14h 45m

£467

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 36 results

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

What is the cheapest month to book a flight from California to Northern Ireland?

Currently, January is the cheapest month in which you can book a flight from California to Northern Ireland (average of £67). Flying from California to Northern Ireland 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 NIR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to Northern Ireland as you normally would.

Related info for your journey

How long is the flight from California to Northern Ireland?
Departing from California to Northern Ireland will take you 13h 40m. California and Northern Ireland are separated by a distance of 5128 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.
What is the cheapest month to book a flight from California to Northern Ireland?
Currently, January is the cheapest month in which you can book a flight from California to Northern Ireland (average of £67). Flying from California to Northern Ireland 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for California to Northern Ireland

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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.

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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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Cheap flights from California to Northern Ireland from £212

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 17/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 16 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from California to Northern Ireland

Cheapest flights from California to Northern IrelandExplore 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 16 September 2025.

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 16 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from California to Northern Ireland that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from California to Northern Ireland

What is the cheapest month to book a flight from California to Northern Ireland?

What is the cheapest time of day to fly from CA to NIR?

Find hourly flight availability from California to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 September 2025.

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?

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

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

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

What is the cheapest month to book a flight from California to Northern Ireland?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for California to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

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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 16 September 2025.