Cheap flights from California to Northern Ireland from £448
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.
Cheap flight deals from California to Northern Ireland
Discover tips and strategies to find the most affordable flight options for your journey from California (USCA) to Northern Ireland (GBNIR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 November 2024.
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 21 November 2024.
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 21 November 2024.
Find flights from California to Northern Ireland within your budget
Customise 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 939,815 searches. Data last updated 21 November 2024.
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Mon 2/12
20:40-18:35
1 stop13h 55m
Belfast City
Mon 9/12
11:30-15:00
1 stop35h 30m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Tue 18/2
20:40-18:40
1 stop14h 00m
Belfast City
Fri 28/2
06:45-15:00
1 stop16h 15m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Tue 18/2
08:05-10:30
2 stops18h 25m
Belfast City
Fri 28/2
08:40-15:00
1 stop14h 20m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Sat 22/2
20:40-19:40
1 stop15h 00m
Belfast City
Sat 1/3
09:10-18:45
1 stop17h 35m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Sat 22/2
13:45-16:50
1 stop19h 05m
Belfast City
Sat 1/3
06:30-19:01
2 stops20h 31m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Fri 21/2
17:20-19:15
2 stops17h 55m
Belfast City
Fri 28/2
06:45-15:30
2 stops16h 45m
San JoseBelfast
SJC - BHD
SJCBHD
San Jose
Tue 18/2
14:00-16:45
2 stops18h 45m
Belfast City
Fri 28/2
06:45-21:30
2 stops22h 45m
Santa RosaBelfast
STS - BHD
STSBHD
Santa Rosa Sonoma County
Thu 13/3
18:40-20:20
2 stops18h 40m
Belfast City
Mon 17/3
06:35-22:36
2 stops23h 01m
Los AngelesBelfast
LAX - BHD
LAXBHD
Los Angeles
Mon 16/12
15:45-18:35
2 stops18h 50m
Belfast City
Mon 23/12
09:10-19:58
2 stops18h 48m
San FranciscoBelfast
SFO - BFS
SFOBFS
San Francisco
Mon 2/12
08:30-20:10
3 stops27h 40m
Belfast Intl
Mon 9/12
13:25-11:05
2 stops29h 40m
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, 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 August 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?
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 21 November 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 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.
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 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).
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 21 November 2024.
To help decide which airline to fly from California to Northern Ireland, see what other customers have to say about Finnair, British Airways and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Entertainment
Overall
Crew
Food
Boarding
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Comfort
Entertainment
Overall
Crew
Food
Boarding
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Comfort
Entertainment
Overall
Crew
Food
Boarding
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Comfort
Entertainment
Overall
Crew
Food
Boarding
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Comfort
Entertainment
Overall
Crew
Food
Boarding
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Comfort
Entertainment
Overall
Crew
Food
Boarding
Reviews
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.
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?
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.
Can Cheapflights find flights from California to Northern Ireland with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from California to Northern Ireland flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from California to Northern Ireland become cheaper?
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.