Cheap flights from Northern Ireland to Oslo Gardermoen Airport from £100
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Northern Ireland to Oslo Gardermoen
Keep the following information in mind while searching for Northern Ireland to Oslo Gardermoen flight deals. Data was last updated 19 August 2025.
Find flight deals from Northern Ireland to Oslo Gardermoen
Cheapest flights from Northern Ireland to Oslo GardermoenExplore the most affordable flight options available from Northern Ireland to Oslo Gardermoen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.
Explore the most affordable flight options available from Northern Ireland to Oslo Gardermoen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Northern Ireland to Oslo Gardermoen Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BelfastOslo
BFS - OSL
BFSOSL
Belfast Intl
Fri 7/11
21:20-13:55
1 stop15h 35m
Oslo Gardermoen
Wed 12/11
16:55-07:50
1 stop15h 55m
BelfastOslo
BFS - OSL
BFSOSL
Belfast Intl
Wed 1/10
20:10-10:40
1 stop13h 30m
Oslo Gardermoen
Wed 8/10
18:15-08:25
1 stop15h 10m
BelfastOslo
BFS - OSL
BFSOSL
Belfast Intl
Thu 9/10
08:20-23:55
1 stop14h 35m
Oslo Gardermoen
Mon 13/10
11:20-21:05
1 stop10h 45m
BelfastOslo
BFS - OSL
BFSOSL
Belfast Intl
Tue 14/10
06:45-18:10
1 stop10h 25m
Oslo Gardermoen
Thu 23/10
07:10-23:10
1 stop17h 00m
BelfastOslo
BFS - OSL
BFSOSL
Belfast Intl
Mon 15/9
10:55-17:40
1 stop5h 45m
Oslo Gardermoen
Mon 22/9
19:40-23:20
1 stop4h 40m
BelfastOslo
BHD - OSL
BHDOSL
Belfast City
Thu 9/10
20:15-10:25
1 stop13h 10m
Oslo Gardermoen
Mon 13/10
19:40-09:15
1 stop14h 35m
BelfastOslo
BFS - OSL
BFSOSL
Belfast Intl
Thu 9/10
06:10-12:25
1 stop5h 15m
Oslo Gardermoen
Thu 9/10
15:05-23:10
1 stop9h 05m
BelfastOslo
BFS - OSL
BFSOSL
Belfast Intl
Mon 6/10
07:00-07:40
2 stops23h 40m
Oslo Gardermoen
Thu 9/10
08:25-20:35
2 stops13h 10m
BelfastOslo
BHD - OSL
BHDOSL
Belfast City
Fri 7/11
07:20-18:25
1 stop10h 05m
Oslo Gardermoen
Wed 12/11
07:00-13:35
1 stop7h 35m
BelfastOslo
BHD - OSL
BHDOSL
Belfast City
Tue 14/10
14:20-23:55
1 stop8h 35m
Oslo Gardermoen
Thu 23/10
07:10-19:35
1 stop13h 25m
Best time to book a flight from Northern Ireland to Oslo Gardermoen
Have a flexible travel schedule? Discover the best time to fly to Oslo Gardermoen from Northern Ireland with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Northern Ireland to Oslo Gardermoen Airport
What is the cheapest month to book a flight from Northern Ireland to Oslo Gardermoen Airport?
Currently, May is the cheapest month in which you can book a flight from Northern Ireland to Oslo Gardermoen Airport (average of £103). Flying from Northern Ireland to Oslo Gardermoen Airport in July is currently the most expensive (average of £187). 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 NIR to OSL?
Find hourly flight availability from Northern Ireland to Oslo Gardermoen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 August 2025.
When flying from Northern Ireland to Oslo Gardermoen Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Related info for your journey
Find useful and relevant information for your journey from Northern Ireland to Oslo Gardermoen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Oslo Gardermoen Airport?
Book flights to Oslo Gardermoen Airport if you plan to visit one of these locationsBrowse thousands of different options on Cheapflights for your next trip
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Alternative routes for Northern Ireland to Oslo Gardermoen
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Northern Ireland to Oslo Gardermoen
Discover the top airline that operate flights from Northern Ireland to Oslo Gardermoen. 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 858,174 searches. Data last updated 19 August 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Northern Ireland to Oslo Gardermoen?
When you search for this flight from Northern Ireland to Oslo Gardermoen, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Oslo Gardermoen?
Cheapflights helps you find that perfect flight to Oslo Gardermoen from Northern Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Northern Ireland to Oslo Gardermoen with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Northern Ireland to Oslo Gardermoen, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Northern Ireland to Oslo Gardermoen become cheaper?
Not ready to book yet? You can track prices for flights from Northern Ireland to Oslo Gardermoen on Cheapflights with our Price Alert feature and get notified when better prices are available.