How long is the flight from Northern Ireland to California?

There are many flights that can get you from Northern Ireland to California in 19h 55m. Fly via British Airways, Virgin Atlantic, or Iberia to get the fastest option. Northern Ireland and California are separated by a distance of 5128 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in California ranges from 0.0 - 87.0 inches per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit California when rainfall is around 0.0 mm.

If weather is an important factor for your trip to California, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

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

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

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

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

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

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

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

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

£326+ Cheap Flights from Northern Ireland to California

Cheap flight deals from Northern Ireland to California

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Northern Ireland to California
Explore the most affordable flight options available from Northern Ireland to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2026.

Thu 1/1009:35 -

1 stop16h 50m

Sun 11/1021:00 -

1 stop15h 35m

Deal found 23/8£614

Tue 3/1108:45 -

2 stops32h 55m

Wed 11/1114:22 -

2 stops18h 33m

Deal found 24/8£632

Sat 21/1111:45 -

2 stops19h 00m

Mon 30/1120:50 -

1 stop15h 20m

Deal found 24/8£633

Thu 1/1009:50 -

2 stops22h 34m

Sun 11/1006:00 -

2 stops19h 20m

Deal found 23/8£648

Sat 26/916:15 -

1 stop27h 30m

Sat 10/1011:40 -

2 stops16h 45m

Deal found 26/8£650

Sat 21/1109:20 -

1 stop19h 00m

Mon 30/1118:30 -

1 stop16h 05m

Deal found 24/8£656

Sat 26/917:30 -

2 stops47h 18m

Sat 10/1015:25 -

2 stops41h 30m

Deal found 26/8£657

Mon 5/1014:20 -

3 stops32h 20m

Mon 12/1016:45 -

2 stops20h 10m

Deal found 22/8£663

Tue 22/917:30 -

1 stop26h 15m

Tue 29/907:00 -

2 stops18h 20m

Deal found 25/8£666

Thu 5/1107:40 -

2 stops19h 30m

Sun 8/1114:53 -

2 stops19h 57m

Deal found 25/8£666

Sat 26/906:20 -

2 stops18h 10m

Sat 10/1019:35 -

2 stops19h 05m

Deal found 26/8£667

Mon 7/917:30 -

1 stop26h 15m

Mon 14/913:45 -

1 stop19h 10m

Deal found 22/8£667

Best flights from Northern Ireland to California
Discover carefully curated flight deals from Northern Ireland to California that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 August 2026.

Thu 1/1006:30 -

1 stop19h 55m

Sun 11/1019:26 -

2 stops17h 09m

Deal found 23/8£617

Thu 1/1009:50 -

2 stops22h 34m

Sun 11/1006:00 -

2 stops19h 20m

Deal found 23/8£648

Sat 26/916:15 -

1 stop27h 30m

Sat 10/1011:40 -

2 stops16h 45m

Deal found 26/8£650

Sat 21/1109:20 -

1 stop19h 00m

Mon 30/1118:30 -

1 stop16h 05m

Deal found 24/8£656

Mon 7/917:30 -

1 stop26h 15m

Sun 13/900:05 -

2 stops25h 15m

Deal found 22/8£667

Mon 7/917:30 -

2 stops30h 24m

Mon 14/915:16 -

2 stops17h 39m

Deal found 22/8£672

Thu 8/1012:45 -

1 stop15h 15m

Mon 12/1012:17 -

2 stops16h 38m

Deal found 25/8£708

Mon 5/1014:20 -

3 stops32h 20m

Mon 12/1016:45 -

2 stops20h 10m

Deal found 22/8£663

Thu 21/114:10 -

2 stops34h 30m

Mon 25/118:25 -

1 stop13h 40m

Deal found 25/8£666

Mon 7/917:30 -

1 stop26h 15m

Mon 14/913:45 -

1 stop19h 10m

Deal found 22/8£667

Tue 22/909:50 -

2 stops22h 01m

Tue 29/910:29 -

2 stops22h 26m

Deal found 25/8£671

Fri 30/1017:05 -

1 stop29h 10m

Fri 6/1112:00 -

2 stops20h 45m

Deal found 23/8£723

Thu 12/1108:50 -

2 stops21h 42m

Sun 15/1108:47 -

2 stops17h 58m

Deal found 21/8£666

Sat 26/906:20 -

2 stops18h 10m

Sat 10/1019:35 -

2 stops19h 05m

Deal found 26/8£667

Thu 1/1009:50 -

1 stop16h 45m

Mon 5/1013:42 -

2 stops19h 13m

Deal found 24/8£723

Thu 8/1009:50 -

2 stops22h 47m

Thu 15/1007:10 -

2 stops18h 10m

Deal found 24/8£727

Thu 5/1107:40 -

2 stops19h 30m

Sun 8/1114:53 -

2 stops19h 57m

Deal found 25/8£666

Thu 8/1017:30 -

1 stop33h 05m

Mon 12/1020:25 -

1 stop12h 30m

Deal found 25/8£735

Wed 7/1008:55 -

3 stops38h 20m

Wed 14/1006:50 -

3 stops26h 40m

Deal found 23/8£684

Thu 28/111:05 -

2 stops19h 40m

Sun 31/110:31 -

2 stops24h 19m

Deal found 24/8£673

Tue 6/1007:00 -

2 stops17h 50m

Tue 13/1019:10 -

2 stops18h 10m

Deal found 21/8£693

Wed 27/106:35 -

2 stops24h 10m

Sun 31/114:22 -

2 stops20h 28m

Deal found 24/8£673

Thu 8/1006:40 -

3 stops23h 00m

Mon 12/1017:50 -

2 stops21h 15m

Deal found 25/8£732

Thu 21/111:05 -

1 stop15h 40m

Mon 25/107:04 -

2 stops19h 46m

Deal found 25/8£692

Thu 8/1008:20 -

3 stops32h 00m

Thu 15/1008:15 -

3 stops28h 45m

Deal found 23/8£752

Thu 1/1012:45 -

2 stops17h 58m

Sun 11/1012:43 -

2 stops17h 52m

Deal found 23/8£737

Fri 16/1006:05 -

2 stops18h 10m

Sun 25/1020:25 -

2 stops18h 00m

Deal found 24/8£753

Thu 21/111:05 -

1 stop15h 45m

Mon 25/114:22 -

2 stops17h 43m

Deal found 25/8£748

Tue 22/921:15 -

3 stops32h 40m

Tue 29/915:05 -

2 stops20h 15m

Deal found 25/8£757

Tue 26/108:45 -

1 stop18h 05m

Sat 30/110:40 -

2 stops16h 30m

Deal found 24/8£748

Find flight deals from Northern Ireland to California

Round-trip from	£614
One-way from	£326

British Airways
1/10-11/10
2 total stops
32h 25m total
Northern Ireland to California

Search Deals

15/10
2 total stops
40h 40m total
Northern Ireland to California

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles Los Angeles

BHDLAX

Belfast City

Thu 1/10

06:30-18:25

1 stop19h 55m

Los Angeles Los Angeles

Sun 11/10

19:26-20:35

2 stops17h 09m

£617

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles Los Angeles

BHDLAX

Belfast City

Thu 1/10

09:50-00:24

2 stops22h 34m

Los Angeles Los Angeles

Sun 11/10

06:00-09:20

2 stops19h 20m

£648

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles Los Angeles

BHDLAX

Belfast City

Sat 26/9

16:15-11:45

1 stop27h 30m

Los Angeles Los Angeles

Sat 10/10

11:40-12:25

2 stops16h 45m

£650

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles Los Angeles

BHDLAX

Belfast City

Sat 21/11

09:20-20:20

1 stop19h 00m

Los Angeles Los Angeles

Mon 30/11

18:30-18:35

1 stop16h 05m

£656

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Mon 5/10

14:20-14:40

3 stops32h 20m

San Francisco

Mon 12/10

16:45-20:55

2 stops20h 10m

£663

BelfastLos Angeles

BHD Belfast City - LAX Los Angeles Los Angeles

BHDLAX

Belfast City

Thu 21/1

14:10-16:40

2 stops34h 30m

Los Angeles Los Angeles

Mon 25/1

18:25-16:05

1 stop13h 40m

£666

BelfastSanta Ana

BHD Belfast City - SNA Santa Ana J. Wayne/Orange Cnty

BHDSNA

Belfast City

Thu 12/11

08:50-22:32

2 stops21h 42m

Santa Ana J. Wayne/Orange Cnty

Sun 15/11

08:47-10:45

2 stops17h 58m

£666

BelfastSanta Ana

BHD Belfast City - SNA Santa Ana J. Wayne/Orange Cnty

BHDSNA

Belfast City

Thu 5/11

07:40-19:10

2 stops19h 30m

Santa Ana J. Wayne/Orange Cnty

Sun 8/11

14:53-18:50

2 stops19h 57m

£666

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Mon 7/9

17:30-11:45

1 stop26h 15m

San Francisco

Sun 13/9

00:05-09:20

2 stops25h 15m

£667

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Mon 7/9

17:30-11:45

1 stop26h 15m

San Francisco

Mon 14/9

13:45-16:55

1 stop19h 10m

£667

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Showing 1-10 of 44 resultsSorted by cheapest first

...

Best time to book a flight from Northern Ireland to California

Have a flexible travel schedule? Discover the best time to fly to California from Northern Ireland with our price prediction graph.

BFS-LAX

BHD-LAX

BFS-SFO

BHD-SFO

BHD-LAS

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 Northern Ireland to California

GBNIR-USCA

BFS-LAX

BHD-LAX

BFS-SFO

BHD-SFO

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing California

Read through reviews of airlines operating flights from Northern Ireland to California, such as British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

British Airways

6.7

Okay

8,194 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

British Airways

6.7

Okay

8,194 reviews

British Airways

6.7

Okay

8,194 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

Related info for your journey

How long is the flight from Northern Ireland to California?
There are many flights that can get you from Northern Ireland to California in 19h 55m. Fly via British Airways, Virgin Atlantic, or Iberia to get the fastest option. Northern Ireland and California are separated by a distance of 5128 mi. This flight may include one or multiple stops.
Can I find deals for flights from Northern Ireland to California that include hotel bookings?
Yes. In addition to deals on Northern Ireland to California flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Northern Ireland to California?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to California.
Can I find deals for business class flights from Northern Ireland to California?
Yes. Cheapflights offers flight deals from Northern Ireland to California 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

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

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Flights by cabin class

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Popular flights

Return Flight Options

Top destinations

Alternative routes for Northern Ireland to California

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Stansted to Boston flights

Top airline flying from Northern Ireland to California

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£445	Average£626	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Northern Ireland to California 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 Northern Ireland to California?

Cheapflights simply makes it quick and affordable to book flights from Northern Ireland to California by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Need flexible booking options for your flight to California from Northern Ireland? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Northern Ireland to California flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Northern Ireland to California from £326

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Northern Ireland to California

Cheapest flights from Northern Ireland to CaliforniaExplore the most affordable flight options available from Northern Ireland to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2026.

Explore the most affordable flight options available from Northern Ireland to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2026.

Best flights from Northern Ireland to CaliforniaDiscover carefully curated flight deals from Northern Ireland to California that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 August 2026.

Discover carefully curated flight deals from Northern Ireland to California that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 August 2026.

Last-minute flights from Northern Ireland to CaliforniaDiscover last-minute flight deals from Northern Ireland to California. Data last updated 26 August 2026 and is based on user searches.

Discover last-minute flight deals from Northern Ireland to California. Data last updated 26 August 2026 and is based on user searches.

One-way flights from Northern Ireland to CaliforniaSearch for one-way flight options from Northern Ireland to California. Find affordable one-way fares based on user searches. Data last updated 26 August 2026.

Search for one-way flight options from Northern Ireland to California. Find affordable one-way fares based on user searches. Data last updated 26 August 2026.

Find flight deals from Northern Ireland to California

Round-trip from

One-way from

Cheapflights Fare Finder

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

Best time to book a flight from Northern Ireland to California

Have a flexible travel schedule? Discover the best time to fly to California from Northern Ireland with our price prediction graph.

Cheapflights Insights

Reviews of airlines servicing California

Read through reviews of airlines operating flights from Northern Ireland to California, such as British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Northern Ireland to California?

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

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

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

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 Northern Ireland to California

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

Complete your trip

Complete your trip to California by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Northern Ireland to California by cabin class

Find flights from Northern Ireland to California, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Northern Ireland and California flights

Browse other Northern Ireland and California flight options. Last updated on 26 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Find a return flight route from California

Find the right flight back to Northern Ireland after your stay in California

Northern Ireland to California flights

Consider these flights travelling from Northern Ireland to California.

Top airline flying from Northern Ireland to California

Fly with Cheapflights

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

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

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

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

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Travel Smart

Cheapest flights from Northern Ireland to California
Explore the most affordable flight options available from Northern Ireland to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2026.

Best flights from Northern Ireland to California
Discover carefully curated flight deals from Northern Ireland to California that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 August 2026.

Last-minute flights from Northern Ireland to California
Discover last-minute flight deals from Northern Ireland to California. Data last updated 26 August 2026 and is based on user searches.

One-way flights from Northern Ireland to California
Search for one-way flight options from Northern Ireland to California. Find affordable one-way fares based on user searches. Data last updated 26 August 2026.