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Northern Ireland

$351+ Cheap flights from California to Northern Ireland

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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BFS
Nov 5 — Nov 121
1 adult
Tue 11/5
Tue 11/12
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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 October 31, 2024.

This Finnair deal was found by Cheapflights users on 10/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/139:25 pmLAX - BHD
1 stop13h 45mFinnair
Wed 11/206:35 amBHD - LAX
1 stop19h 50mFinnair
Deal found 10/30$654
This Expedia deal was found by Cheapflights users on 10/30. 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.
Wed 11/136:05 amLAX - BHD
2 stops24h 10mIberia
Wed 11/202:20 pmBHD - LAX
1 stop31h 20mIberia
Deal found 10/30$657
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Wed 11/139:25 pmLAX - BHD
1 stop13h 45mAmerican Airlines
Wed 11/2011:30 amBHD - LAX
2 stops18h 25mAmerican Airlines
Deal found 10/30$664
This British Airways deal was found by Cheapflights users on 10/30. 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.
Mon 11/188:55 pmLAX - BHD
1 stop15h 20mBritish Airways
Mon 11/255:40 pmBHD - LAX
1 stop30h 10mBritish Airways
Deal found 10/30$681
This Virgin Atlantic deal was found by Cheapflights users on 10/30. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/181:45 pmLAX - BHD
1 stop19h 05mVirgin Atlantic
Mon 11/255:20 pmBHD - LAX
1 stop26h 25mVirgin Atlantic
Deal found 10/30$690
This Delta deal was found by Cheapflights users on 10/31. 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.
Mon 11/188:35 amLAX - BHD
2 stops24h 15mDelta
Mon 11/255:20 pmBHD - LAX
1 stop26h 25mDelta
Deal found 10/31$694
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/138:30 amLAX - BHD
3 stops21h 15mMultiple Airlines
Wed 11/202:25 pmBHD - LAX
2 stops34h 05mMultiple Airlines
Deal found 10/30$741
This British Airways deal was found by Cheapflights users on 10/30. 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.
Wed 11/134:25 pmONT - BHD
2 stops19h 50mBritish Airways
Wed 11/209:10 amBHD - ONT
2 stops21h 04mBritish Airways
Deal found 10/30$853
This Orbitz deal was found by Cheapflights users on 10/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/306:20 pmSFO - BHD
2 stops33h 00mBritish Airways
Wed 11/67:25 pmBHD - SFO
1 stop27h 35mBritish Airways
Deal found 10/30$855
This ScholarTrip deal was found by Cheapflights users on 10/29. 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 ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/135:20 pmSFO - BHD
2 stops16h 20mAer Lingus
Sat 11/165:30 pmBHD - SFO
2 stops30h 00mAer Lingus
Deal found 10/29$951
This Mytrip deal was found by Cheapflights users on 10/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/512:40 amLAX - BFS
3 stops28h 40mMultiple Airlines
Wed 12/118:40 pmBFS - LAX
3 stops33h 02mMultiple Airlines
Deal found 10/31$952
This KLM deal was found by Cheapflights users on 10/30. 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.
Thu 12/261:50 pmSFO - BHD
1 stop23h 10mKLM
Mon 1/65:20 pmBHD - SFO
1 stop26h 30mKLM
Deal found 10/30$1,084

Find flights from California to Northern Ireland within your budget

Customize 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 2,570,725 searches. Data last updated October 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San JoseBelfast

SJC - BFS

SJCBFS

San Jose

Sat 12/14

5:19 pm-7:55 am

2 stops54h 36m

$351

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Sun 2/16

8:55 pm-6:40 pm

1 stop13h 45m

Belfast City

Wed 3/12

6:35 am-4:50 pm

1 stop17h 15m

$647

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 11/13

6:05 am-2:15 pm

2 stops24h 10m

Belfast City

Wed 11/20

2:20 pm-1:40 pm

1 stop31h 20m

$657

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 11/13

9:25 pm-7:10 pm

1 stop13h 45m

Belfast City

Wed 11/20

11:30 am-9:55 pm

2 stops18h 25m

$664

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Mon 11/18

8:55 pm-8:15 pm

1 stop15h 20m

Belfast City

Mon 11/25

5:40 pm-3:50 pm

1 stop30h 10m

$681

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Mon 11/18

1:45 pm-4:50 pm

1 stop19h 05m

Belfast City

Mon 11/25

5:20 pm-11:45 am

1 stop26h 25m

$690

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Mon 11/18

9:25 am-4:50 pm

2 stops23h 25m

Belfast City

Mon 11/25

5:20 pm-11:45 am

1 stop26h 25m

$694

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Sun 2/16

2:15 pm-4:50 pm

2 stops18h 35m

Belfast City

Wed 3/12

6:30 am-6:20 pm

2 stops18h 50m

$714

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 11/13

8:30 am-1:45 pm

3 stops21h 15m

Belfast City

Wed 11/20

2:25 pm-4:30 pm

2 stops34h 05m

$741

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 11/13

5:20 pm-5:40 pm

2 stops16h 20m

Belfast City

Sat 11/16

5:30 pm-3:30 pm

2 stops30h 00m

$951

Flights are sorted by cheapest first

Deals found on 10/29

Showing 1-10 of 27 results
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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 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 California to Northern Ireland

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

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

Currently, February is the cheapest month in which you can book a flight from California to Northern Ireland (average of $641). Flying from California to Northern Ireland in June is currently the most expensive (average of $1,175). 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?

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 October 31, 2024.

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.

Rainfall in Northern Ireland by month

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

In terms of precipitation, rainfall in Northern Ireland ranges from 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Northern Ireland when rainfall is around 2.0 in.

Temperature in Northern Ireland by month

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

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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. 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 Northern Ireland. Reviews last updated October 31, 2024.
Read through reviews of airlines operating flights from California to Northern Ireland, such as Delta, Finnair and American Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,835 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,835 reviews
Delta
8.0
Very good
8,835 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,352 reviews
Delta
8.0
Very good
8,835 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.7
Good
1,318 reviews
Delta
8.0
Very good
8,835 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.6
Good
667 reviews
Delta
8.0
Very good
8,835 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,835 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • Can I find flights from California to Northern Ireland for under $700 on Cheapflights?

    Yes, there are multiple flights from California to Northern Ireland for under $700. The cheapest flight booked recently is on Finnair for just $647, but on average you can expect to pay $842.

  • Are there last-minute flights available from California to Northern Ireland for under $900?

    There are currently 3+ open flights from California to Northern Ireland within the next 7 days for less than $900.

  • What does LAX to BFS mean?

    This is defined as Los Angeles Airport (LAX) and Belfast Intl Airport (BFS). Codes like Belfast Intl Airport are often used to just call airports uniquely. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Belfast City Airport (BHD), Londonderry Eglinton Airport (LDY).

  • Can I find deals for flights from California to Northern Ireland that include extra baggage allowance?

    The amount of baggage you can bring on your California to Northern Ireland flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from California to Northern Ireland with specific airlines?

    Yes, Cheapflights allows you to browse and filter California to Northern Ireland flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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 vacation 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.

  • Can I find deals for flights from California to Northern Ireland that allow pets onboard?

    Many airlines flying from California to Northern Ireland offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from California to Northern Ireland?

    Yes, you can often find last-minute deals on California to Northern Ireland flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the California to Northern Ireland flight deals updated?

    The California to Northern Ireland flight deals you see on this page were last updated on 10/31.

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

    Currently, February is the cheapest month in which you can book a flight from California to Northern Ireland (average of $641). Flying from California to Northern Ireland in June is currently the most expensive (average of $1,175). 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

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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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Top 2 airlines flying from California to Northern Ireland

Discover the top 2 airlines that operate flights from California to Northern Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$493Average$863FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$574Average$908FlexibilityNo cancel feeOn-time70%
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