$298+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from California to Northern Ireland with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 febrero 20, 2025.
Round-trip from | $626 (oojo) |
|---|---|
One-way from | $298 (Kiwi.com) |
Popular in | July |
Cheapest in | November |
Average price | $887 |
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 febrero 20, 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 febrero 20, 2025.
This oojo deal was found by Cheapflights users on 2/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 2/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Expedia deal was found by Cheapflights users on 2/18. 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.
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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.
This American Airlines deal was found by Cheapflights users on 2/19. 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.
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 2/18. 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.
This KLM deal was found by Cheapflights users on 2/19. 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.
This StudentUniverse 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 2,558,603 searches. Data last updated febrero 20, 2025.
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
dom. 4/27
7:20 pm-6:45 pm
1 stop15h 25m
Belfast City
lun. 5/12
6:30 pm-4:10 pm
2 stops29h 40m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
dom. 4/27
4:35 pm-2:40 pm
1 stop14h 05m
Belfast City
lun. 5/12
9:50 am-1:50 pm
1 stop36h 00m
Los AngelesBelfast
LAX - BHD
LAXBHD
Los Angeles
jue. 3/20
6:20 pm-4:40 pm
1 stop15h 20m
Belfast City
jue. 3/27
11:05 am-9:25 pm
1 stop17h 20m
Los AngelesBelfast
LAX - BHD
LAXBHD
Los Angeles
jue. 3/20
11:15 am-10:20 am
2 stops16h 05m
Belfast City
jue. 3/27
9:00 am-9:25 pm
1 stop19h 25m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
sáb. 5/3
3:54 pm-5:15 pm
2 stops17h 21m
Belfast City
sáb. 5/10
7:00 pm-1:50 pm
1 stop26h 50m
Los AngelesBelfast
LAX - BHD
LAXBHD
Los Angeles
jue. 3/20
5:35 am-8:30 pm
3 stops31h 55m
Belfast City
jue. 3/27
7:30 am-11:46 am
2 stops35h 16m
Los AngelesBelfast
LAX - BFS
LAXBFS
Los Angeles
dom. 2/23
7:00 am-9:30 pm
2 stops30h 30m
Belfast Intl
vie. 2/28
6:00 am-9:44 pm
2 stops23h 44m
San FranciscoBelfast
SFO - BFS
SFOBFS
San Francisco
dom. 4/27
2:40 pm-9:30 pm
2 stops22h 50m
Belfast Intl
lun. 5/12
10:35 am-9:25 pm
3 stops42h 50m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
jue. 3/6
1:50 pm-9:00 pm
1 stop23h 10m
Belfast City
sáb. 3/15
5:20 pm-12:50 pm
1 stop26h 30m
Los AngelesBelfast
LAX - BHD
LAXBHD
Los Angeles
sáb. 5/3
11:05 pm-11:30 am
2 stops28h 25m
Belfast City
jue. 5/8
4:20 pm-10:42 pm
2 stops38h 22m
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.
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 $657). Flying from California to Northern Ireland in June is currently the most expensive (average of $1,189). 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 febrero 20, 2025.
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 febrero 20, 2025.
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
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.
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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.
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 2,558,603 searches. Data last updated febrero 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$493 | Average$892 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$596 | Average$885 | FlexibilityNo cancel fee | On-time70% |