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Cheap flights from Northern Ireland to Oslo Gardermoen Airport from £42

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 17/10. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — OSL
4 Sep — 11 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Northern Ireland to Oslo Gardermoen

Enter your travel dates to find the best prices.

Cheapest flights from Northern Ireland to Oslo Gardermoen
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 5 August 2026.

Tue 15/908:50 -
1 stop12h 55m
Tue 22/910:35 -
1 stop6h 40m
Deal found 5/8£84
Sat 5/911:10 -
1 stop11h 05m
Wed 9/910:35 -
1 stop13h 45m
Deal found 1/8£86
Sat 19/920:15 -
1 stop11h 45m
Sat 26/923:40 -
1 stop11h 30m
Deal found 5/8£115
Fri 18/922:15 -
2 stops15h 15m
Fri 25/909:45 -
1 stop10h 45m
Deal found 4/8£127
Tue 15/905:55 -
2 stops15h 50m
Tue 22/910:35 -
2 stops13h 30m
Deal found 1/8£135
Sat 19/906:55 -
2 stops25h 05m
Sat 26/923:40 -
2 stops20h 15m
Deal found 5/8£136
Tue 29/917:30 -
1 stop14h 15m
Sun 4/1019:15 -
1 stop15h 05m
Deal found 31/7£176
Fri 21/817:30 -
1 stop21h 50m
Thu 27/819:15 -
1 stop15h 05m
Deal found 3/8£180
Fri 20/1120:00 -
2 stops20h 25m
Mon 23/1117:05 -
1 stop17h 05m
Deal found 1/8£187
Tue 15/909:50 -
1 stop21h 55m
Mon 28/919:15 -
1 stop15h 05m
Deal found 5/8£187
Thu 17/920:35 -
1 stop26h 15m
Mon 21/911:35 -
1 stop22h 15m
Deal found 4/8£196
Tue 15/909:50 -
1 stop11h 45m
Mon 28/917:00 -
2 stops17h 20m
Deal found 5/8£215

Find 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 5 August 2026.

Round-trip from

£84

One-way from

£42
Ryanair
  • Ryanair
  • 15/9-22/9
  • 2 total stops
  • 19h 35m total
  • Northern Ireland to Oslo
Search Deals
Ryanair
  • Ryanair
  • 17/10
  • 1 total stop
  • 11h 45m total
  • Northern Ireland to Oslo
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Oslo Gardermoen 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 858,174 searches. Data last updated 5 August 2026.
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

Cheapest return flight

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Sat 5/9

11:10-23:15

1 stop11h 05m

Oslo Gardermoen

Wed 9/9

10:35-23:20

1 stop13h 45m

£86

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Tue 15/9

08:50-22:45

1 stop12h 55m

Oslo Gardermoen

Tue 22/9

23:10-11:35

1 stop13h 25m

£88

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Fri 18/9

22:15-14:30

2 stops15h 15m

Oslo Gardermoen

Fri 25/9

09:45-19:30

1 stop10h 45m

£127
Fastest return journey

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Fri 20/11

06:05-12:55

1 stop5h 50m

Oslo Gardermoen

Mon 23/11

20:45-07:55

1 stop12h 10m

£128

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Sat 19/9

20:15-09:00

1 stop11h 45m

Oslo Gardermoen

Sat 26/9

23:40-18:55

2 stops20h 15m

£128

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Tue 15/9

05:55-22:45

2 stops15h 50m

Oslo Gardermoen

Tue 22/9

10:35-23:05

2 stops13h 30m

£135

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Fri 20/11

21:05-17:25

2 stops19h 20m

Oslo Gardermoen

Mon 23/11

20:45-07:55

1 stop12h 10m

£135

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Tue 29/9

17:30-08:45

1 stop14h 15m

Oslo Gardermoen

Mon 5/10

19:15-09:20

1 stop15h 05m

£176

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Tue 29/9

17:30-08:45

1 stop14h 15m

Oslo Gardermoen

Sun 4/10

19:15-09:20

1 stop15h 05m

£176

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Fri 21/8

17:30-16:20

1 stop21h 50m

Oslo Gardermoen

Thu 27/8

19:15-09:20

1 stop15h 05m

£180

Flights are sorted by cheapest return flights first.

Deals found on 1/8

Showing 1-10 of 30 resultsSorted by cheapest first
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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.
Estimated return 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.

Cheapflights Insights

Everything you need to know about your flight from Northern Ireland to Oslo Gardermoen Airport

No data available for this route at this time. Please check back soon.

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.

  • How long is the flight from Northern Ireland to Oslo Gardermoen Airport?

    For as low as £86, Ryanair can have you in Oslo Gardermoen Airport from Northern Ireland in 11h 05m. The distance from Northern Ireland to Oslo Gardermoen Airport is about 745 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Northern Ireland to Oslo Gardermoen that include hotel bookings?

    Yes. In addition to deals on Northern Ireland to Oslo Gardermoen flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Northern Ireland to Oslo Gardermoen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Oslo Gardermoen.

  • Can I find deals for business class flights from Northern Ireland to Oslo Gardermoen?

    Yes. Cheapflights offers flight deals from Northern Ireland to Oslo Gardermoen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Oslo Gardermoen Airport?

Book flights to Oslo Gardermoen Airport if you plan to visit one of these locations
Lillehammer
Drammen
Fredrikstad
Gardermoen

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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.

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