Cheap flights from Northern Ireland to Oslo Gardermoen Airport from £67
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 8/12. 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 29 October 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 29 October 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 29 October 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
Thu 20/11
08:15-16:20
1 stop7h 05m
Oslo Gardermoen
Wed 26/11
16:55-07:50
1 stop15h 55m
BelfastOslo
BFS - OSL
BFSOSL
Belfast Intl
Mon 12/1
21:00-16:20
2 stops18h 20m
Oslo Gardermoen
Fri 16/1
07:00-21:05
1 stop15h 05m
BelfastOslo
BHD - OSL
BHDOSL
Belfast City
Mon 12/1
07:20-20:50
1 stop12h 30m
Oslo Gardermoen
Fri 16/1
07:00-19:35
1 stop13h 35m
BelfastOslo
BFS - OSL
BFSOSL
Belfast Intl
Fri 12/12
08:05-20:45
1 stop11h 40m
Oslo Gardermoen
Fri 19/12
21:15-08:25
1 stop12h 10m
BelfastOslo
BHD - OSL
BHDOSL
Belfast City
Thu 20/11
14:15-00:05
1 stop8h 50m
Oslo Gardermoen
Wed 26/11
07:00-16:15
1 stop10h 15m
BelfastOslo
BFS - OSL
BFSOSL
Belfast Intl
Thu 11/12
14:25-00:05
1 stop8h 40m
Oslo Gardermoen
Thu 18/12
10:55-15:30
1 stop5h 35m
BelfastOslo
BHD - OSL
BHDOSL
Belfast City
Thu 11/12
17:20-10:00
1 stop15h 40m
Oslo Gardermoen
Thu 18/12
10:55-16:05
1 stop6h 10m
BelfastOslo
BHD - OSL
BHDOSL
Belfast City
Tue 3/3
10:00-22:40
1 stop11h 40m
Oslo Gardermoen
Wed 4/3
15:05-20:15
1 stop6h 10m
BelfastOslo
BFS - OSL
BFSOSL
Belfast Intl
Mon 8/12
22:20-22:05
1 stop22h 45m
BelfastOslo
BFS - OSL
BFSOSL
Belfast Intl
Mon 8/12
21:00-16:20
2 stops18h 20m
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 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 29 October 2025.
It’s typically best to fly out from Northern Ireland to Oslo Gardermoen Airport in the morning. Doing so could potentially save you 18% on the flight price compared to flying in the evening, which is usually more expensive.
How much does it cost for a return flight from Northern Ireland to Oslo Gardermoen Airport?
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?
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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 29 October 2025.
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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.