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$353+ Cheap flights from Northern Ireland to California

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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LAX
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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Cheap flight deals from Northern Ireland to California

Keep the following information in mind while searching for Northern Ireland to California flight deals. Data was last updated febrero 20, 2025.

Round-trip from

$528
(Expedia)

One-way from

$353
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$1,087
From Northern Ireland to California
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One-way flight from Northern Ireland to California
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Highest demand for flights based on searches. 17% potential increase in price ($183 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Northern Ireland to California

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 febrero 20, 2025.

This Expedia deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/209:00 amBHD - SFO
1 stop14h 00mBritish Airways
jue. 3/2710:37 amSFO - BHD
2 stops16h 43mBritish Airways
Deal found 2/20$528
This TravelUp deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/39:35 amBHD - LAX
1 stop16h 30mMultiple Airlines
sáb. 5/101:55 pmLAX - BHD
1 stop22h 50mMultiple Airlines
Deal found 2/20$620
This EaseMyTrip deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/37:05 amBHD - LAX
1 stop18h 30mIberia
sáb. 5/108:25 amLAX - BHD
2 stops22h 40mIberia
Deal found 2/20$623
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/16:35 amBHD - LAX
1 stop16h 20mAmerican Airlines
jue. 5/83:40 pmLAX - BHD
1 stop13h 35mAmerican Airlines
Deal found 2/20$634
This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/26:30 amBHD - LAX
1 stop16h 20mDelta
vie. 5/911:50 amLAX - BHD
2 stops21h 05mDelta
Deal found 2/20$638
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/16:35 amBHD - ONT
2 stops23h 23mAmerican Airlines
vie. 5/91:15 pmONT - BHD
2 stops23h 30mAmerican Airlines
Deal found 2/20$639
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/14:20 pmBHD - SNA
2 stops28h 31mAmerican Airlines
jue. 5/84:30 pmSNA - BHD
2 stops18h 15mAmerican Airlines
Deal found 2/20$639
This TravelUp deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/209:00 amBHD - SFO
2 stops18h 55mMultiple Airlines
jue. 3/277:05 amSFO - BHD
2 stops20h 15mMultiple Airlines
Deal found 2/20$639
This TravelUp deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/1411:30 amBHD - LAX
1 stop16h 45mBritish Airways
jue. 5/228:05 pmLAX - BHD
1 stop15h 15mBritish Airways
Deal found 2/20$661
This British Airways deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/17:25 pmBHD - SNA
2 stops32h 42mBritish Airways
sáb. 5/104:30 pmSNA - BHD
2 stops20h 15mBritish Airways
Deal found 2/20$674
This TravelUp deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/206:30 amBHD - SFO
1 stop13h 20mVirgin Atlantic
jue. 3/272:50 pmSFO - BHD
1 stop23h 10mVirgin Atlantic
Deal found 2/20$695
This KLM deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/36:30 amBHD - LAX
2 stops16h 51mKLM
vie. 5/94:50 pmLAX - BHD
1 stop20h 25mKLM
Deal found 2/20$771

Find flights from Northern Ireland to California within your budget

Customize your flight search to find flights from Northern Ireland to California 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 2,558,603 searches. Data last updated febrero 20, 2025.

Fly from

Northern Ireland

Fly to

California

Route

Depart

Return

Price

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

jue. 3/20

9:00 am-4:00 pm

1 stop14h 00m

San Francisco

jue. 3/27

10:37 am-10:20 am

2 stops16h 43m

$528

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

sáb. 5/3

9:35 am-6:05 pm

1 stop16h 30m

Los Angeles

sáb. 5/10

1:55 pm-8:45 pm

1 stop22h 50m

$620

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

sáb. 5/3

7:05 am-5:35 pm

1 stop18h 30m

Los Angeles

sáb. 5/10

8:25 am-3:05 pm

2 stops22h 40m

$623

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

jue. 5/1

6:35 am-2:55 pm

1 stop16h 20m

Los Angeles

jue. 5/8

3:40 pm-1:15 pm

1 stop13h 35m

$634

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

vie. 5/2

6:30 am-2:50 pm

1 stop16h 20m

Los Angeles

vie. 5/9

11:50 am-4:55 pm

2 stops21h 05m

$638

BelfastOntario

BHD - ONT

BHDONT

Belfast City

jue. 5/1

6:35 am-9:58 pm

2 stops23h 23m

Ontario

vie. 5/9

1:15 pm-8:45 pm

2 stops23h 30m

$639

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

jue. 3/20

9:00 am-8:55 pm

2 stops18h 55m

San Francisco

jue. 3/27

7:05 am-10:20 am

2 stops20h 15m

$639

BelfastSanta Ana

BHD - SNA

BHDSNA

Belfast City

jue. 5/1

4:20 pm-12:51 pm

2 stops28h 31m

Santa Ana J. Wayne/Orange Cnty

jue. 5/8

4:30 pm-6:45 pm

2 stops18h 15m

$639

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

mié. 5/14

11:30 am-8:15 pm

1 stop16h 45m

Los Angeles

jue. 5/22

8:05 pm-7:20 pm

1 stop15h 15m

$661

BelfastSanta Ana

BHD - SNA

BHDSNA

Belfast City

jue. 5/1

7:25 pm-8:07 pm

2 stops32h 42m

Santa Ana J. Wayne/Orange Cnty

sáb. 5/10

4:30 pm-8:45 pm

2 stops20h 15m

$674

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 25 results
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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.
Estimated round-trip 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 Northern Ireland to California

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

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

Currently, January is the cheapest month in which you can book a flight from Northern Ireland to California (average of $246). Flying from Northern Ireland to California in March is currently the most expensive (average of $344). 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.

Rainfall in California by month

Plan your trip to California by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in California ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit California when rainfall is around 0.0 in.

Temperature in California by month

Plan your trip to California by taking into account the average temperature totals by month.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. 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 California. Reviews last updated febrero 20, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Northern Ireland to California. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic
7.5
Good
654 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

    The cheapest airlines for a one-way flight from Northern Ireland to California are British Airways ($723), Finnair ($1,143), and KLM ($1,600).

  • 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 vacation 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.

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

    Currently, January is the cheapest month in which you can book a flight from Northern Ireland to California (average of $246). Flying from Northern Ireland to California in March is currently the most expensive (average of $344). 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 Northern Ireland to California

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