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Cheap Flights from Belfast to Oslo Gardermoen

Compare Belfast to Oslo Gardermoen flight deals

Find the cheapest month or even day of the year to fly to Oslo Gardermoen

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Flight deals from Belfast to Oslo Gardermoen Airport

Looking for a cheap last-minute deal or the best return flight from Belfast to Oslo Gardermoen Airport? If you want to travel next month, return fares start from $353. Find the lowest prices on one-way and return tickets right here.
Oslo.$278 per passenger.Departing Tue, 9 Jun, returning Fri, 12 Jun.Return flight with Ryanair and easyJet.Outbound indirect flight with Ryanair, departs from Belfast International on Tue, 9 Jun, arriving in Oslo Gardermoen.Inbound indirect flight with easyJet, departs from Oslo Gardermoen on Fri, 12 Jun, arriving in Belfast International.Price includes taxes and charges.From $278, select.
Oslo.$296 per passenger.Departing Thu, 26 Mar, returning Mon, 30 Mar.Return flight with Ryanair and easyJet.Outbound indirect flight with Ryanair, departs from Belfast International on Thu, 26 Mar, arriving in Oslo Gardermoen.Inbound indirect flight with easyJet, departs from Oslo Gardermoen on Mon, 30 Mar, arriving in Belfast International.Price includes taxes and charges.From $296, select.
Oslo.$353 per passenger.Departing Thu, 16 Apr, returning Mon, 20 Apr.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Belfast International on Thu, 16 Apr, arriving in Oslo Gardermoen.Inbound indirect flight with easyJet, departs from Oslo Gardermoen on Mon, 20 Apr, arriving in Belfast International.Price includes taxes and charges.From $353, select.
Oslo.$368 per passenger.Departing Thu, 1 Oct, returning Mon, 5 Oct.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Belfast International on Thu, 1 Oct, arriving in Oslo Gardermoen.Inbound indirect flight with Ryanair, departs from Oslo Gardermoen on Mon, 5 Oct, arriving in Belfast International.Price includes taxes and charges.From $368, select.
Oslo.$376 per passenger.Departing Thu, 30 Jul, returning Thu, 6 Aug.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Belfast International on Thu, 30 Jul, arriving in Oslo Gardermoen.Inbound indirect flight with Ryanair, departs from Oslo Gardermoen on Thu, 6 Aug, arriving in Belfast International.Price includes taxes and charges.From $376, select.
Oslo.$378 per passenger.Departing Fri, 25 Sep, returning Mon, 28 Sep.Return flight with Ryanair and easyJet.Outbound indirect flight with Ryanair, departs from Belfast International on Fri, 25 Sep, arriving in Oslo Gardermoen.Inbound indirect flight with easyJet, departs from Oslo Gardermoen on Mon, 28 Sep, arriving in Belfast International.Price includes taxes and charges.From $378, select.
Oslo.$391 per passenger.Departing Thu, 5 Nov, returning Sat, 7 Nov.Return flight with KLM.Outbound indirect flight with KLM, departs from Belfast City on Thu, 5 Nov, arriving in Oslo Gardermoen.Inbound indirect flight with KLM, departs from Oslo Gardermoen on Sat, 7 Nov, arriving in Belfast City.Price includes taxes and charges.From $391, select.
Oslo.$405 per passenger.Departing Sat, 6 Feb, returning Thu, 11 Feb.Return flight with KLM.Outbound indirect flight with KLM, departs from Belfast City on Sat, 6 Feb, arriving in Oslo Gardermoen.Inbound indirect flight with KLM, departs from Oslo Gardermoen on Thu, 11 Feb, arriving in Belfast City.Price includes taxes and charges.From $405, select.
Oslo.$411 per passenger.Departing Tue, 7 Jul, returning Tue, 14 Jul.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Belfast International on Tue, 7 Jul, arriving in Oslo Gardermoen.Inbound indirect flight with Ryanair, departs from Oslo Gardermoen on Tue, 14 Jul, arriving in Belfast International.Price includes taxes and charges.From $411, select.
Oslo.$412 per passenger.Departing Fri, 14 Aug, returning Mon, 17 Aug.Return flight with KLM.Outbound indirect flight with KLM, departs from Belfast City on Fri, 14 Aug, arriving in Oslo Gardermoen.Inbound indirect flight with KLM, departs from Oslo Gardermoen on Mon, 17 Aug, arriving in Belfast City.Price includes taxes and charges.From $412, select.
Oslo.$413 per passenger.Departing Mon, 27 Apr, returning Sun, 3 May.Return flight with KLM.Outbound indirect flight with KLM, departs from Belfast City on Mon, 27 Apr, arriving in Oslo Gardermoen.Inbound indirect flight with KLM, departs from Oslo Gardermoen on Sun, 3 May, arriving in Belfast City.Price includes taxes and charges.From $413, select.
Oslo.$424 per passenger.Departing Thu, 14 May, returning Thu, 28 May.Return flight with KLM.Outbound indirect flight with KLM, departs from Belfast City on Thu, 14 May, arriving in Oslo Gardermoen.Inbound indirect flight with KLM, departs from Oslo Gardermoen on Thu, 28 May, arriving in Belfast City.Price includes taxes and charges.From $424, select.
Oslo.$541 per passenger.Departing Sat, 28 Mar, returning Sun, 12 Apr.Return flight with KLM.Outbound indirect flight with KLM, departs from Belfast City on Sat, 28 Mar, arriving in Oslo Gardermoen.Inbound indirect flight with KLM, departs from Oslo Gardermoen on Sun, 12 Apr, arriving in Belfast City.Price includes taxes and charges.From $541, select.
Oslo.$660 per passenger.Departing Tue, 30 Jun, returning Wed, 8 Jul.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Belfast International on Tue, 30 Jun, arriving in Oslo Gardermoen.Inbound indirect flight with Ryanair, departs from Oslo Gardermoen on Wed, 8 Jul, arriving in Belfast International.Price includes taxes and charges.From $660, select.

Find the cheapest month to fly from Belfast to Oslo Gardermoen

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Belfast to Oslo Gardermoen flights are currently cheapest in June.
Mar
from $296
Apr
from $353
May
from $424
Jun
from $278
Jul
from $411
Aug
from $412
Sep
from $378
Oct
from $368
Nov
from $391
Dec
Find prices
Jan
Find prices
Feb
from $405

Belfast to Oslo Gardermoen: Alternative routes

Compare routes from Belfast to Oslo below. You may find an airport to fly into that's cheaper, faster, or easier than Oslo Gardermoen.

Oslo Gardermoen

37km from central Oslo
Closest
from $278
Search flights

TORP Sandefjord

85km from central Oslo
Cheapest
from $174
Search flights

Belfast to Oslo: Flight information

The things to know before you go.
Cheapest flight found$278
Cheapest month to flyJune

Check out these Oslo hotels

Ready to plan your stay? Other travellers rate these Oslo hotels for cleanliness, service and location.
Hotel Continental
0.44 km from city centre
$705
Per night
Hotel Bristol
0.23 km from city centre
$402
Per night
Thon Hotel Storo
4.15 km from city centre
$305
Per night
Hotel Continental
0.44 km from city centre
$705
Per night
Hotel Bristol
0.23 km from city centre
$402
Per night
Thon Hotel Storo
4.15 km from city centre
$305
Per night
Explore top-rated hotels

Finding cheap flights from Belfast to Oslo Gardermoen: Frequently asked questions

The best price we found for a return flight from Belfast to Oslo Gardermoen is $278. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Belfast to Oslo Gardermoen. But we found flights with one stop from $278.
As of March 2026, there are no flights flying from Belfast to Oslo Gardermoen.
The cheapest month to fly from Belfast to Oslo Gardermoen is usually June.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Belfast to Oslo Gardermoen Airport on Tuesday, 9 June 2026.
No airlines currently offer direct flights between Belfast and Oslo Gardermoen Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Oslo Gardermoen but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Oslo is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Oslo Gardermoen is Ryanair .

Flying from Belfast to Oslo Gardermoen Airport (OSL): What you need to know

  • The timezone in Oslo is UTC+1, which is one hour ahead of Belfast. Oslo Gardermoen Airport is located in Oslo.

  • For hassle-free travel, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to board your flight from Belfast to OSL.

  • Popular months like June or other peak periods mean longer lines and possible delays. Stay ahead of the crowds by arriving at the airport even earlier. Aim for at least four hours ahead of an international flight and two hours before a domestic departure.

Airports in Belfast

Belfast International Airport (BFS)

  • We make it easy to book cheap flights from Belfast to OSL that include a stopover. To explore all the options leaving from Belfast International Airport (BFS), deselect 'Direct flights only.' Then, select a flight that has a stop long enough to tour the city of your choice. Popular stopovers between BFS and OSL include:

    • Amsterdam Schiphol Airport (AMS)

    • London Gatwick Airport (LGW)

    • Edinburgh Airport (EDI)

  • BFS is about 19 kilometres from central Belfast. If you're ride-sharing, catching a taxi or driving from the centre, it'll take 25 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the travel time to be around 45 minutes.

  • Booked an early flight from Belfast to Oslo Gardermoen Airport? Avoid the hassle of rushing to the terminal (and get a little more snooze time) by staying at one of these stays close to Belfast International Airport:

  • Of all flights leaving Belfast International Airport, 68% touch down on time at their destination.

George Best Belfast City Airport (BHD)

  • Knock a new city off your list or just take a moment to recharge with a stopover. If you'd like to break up your flight from Belfast to Oslo Gardermoen Airport, browse these options when setting off from George Best Belfast City Airport:

    • London Heathrow Airport (LHR)

    • Amsterdam Schiphol Airport (AMS)

    • Manchester Airport (MAN)

  • BHD is around 5 kilometres from central Belfast. It'll take 15 minutes or so to get to the airport by car from the city centre. Public transport takes approximately 25 minutes.

  • Kick off your holiday early with an additional night away from home. Before catching your Belfast to OSL flight, kick back in one of these hotels near George Best Belfast City Airport:

  • George Best Belfast City Airport has an on-time performance rate of 69%. This figure shows how frequently flights that take off from this airport arrive on time.

About Oslo Gardermoen Airport (OSL)

Getting from Oslo Gardermoen Airport (OSL) to central Oslo

  • Central Oslo is around 48 kilometres from Oslo Gardermoen Airport and takes about 40 minutes to reach by car. Work out your options for getting into the city, whether that's with a car hire, taxi or ride-share.

  • If you're using public transport, expect a journey time of about 20 minutes.

How to find the cheapest flights from Belfast to Oslo Gardermoen Airport (OSL)

  • $138 is currently the best price for a one-way ticket from Belfast to Oslo Gardermoen Airport. Return flights start from $278. These prices can change depending on availability.

  • To pick up cheap flights from Belfast to OSL, book early. Airlines typically offer the most competitive fares when tickets first go on sale.

  • Affordable Belfast to Oslo Gardermoen Airport tickets are easier to find if your travel dates are flexible. Use the 'Whole month' search tool to compare fares across every month and then choose the cheapest day.

  • Snapping up a cheap plane ticket from Belfast to OSL is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you as soon as prices go down.

  • Find a cheap flight from Belfast to Oslo Gardermoen Airport by using the search filters. Select your ideal duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Belfast to Oslo Gardermoen Airport (OSL)

  • It's time to decide your travel dates for your flight from Belfast to Oslo Gardermoen Airport (OSL). September is the busiest month to travel to Oslo. If you prefer a quieter vibe, head there in January.

  • Lock in a Belfast to OSL plane ticket departing in July if you're eager to experience the city during its warmest month. You can expect temperatures in Oslo to range from 8ºC to 25ºC.

  • Search for cheap tickets from Belfast to Oslo Gardermoen Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -14ºC and 1ºC.

More about Oslo

  • Start your Oslo trip right by choosing the ideal place to stay. After booking your flight from Belfast to Oslo Gardermoen Airport, explore our range of hotels including:

  • Your visit to Oslo wouldn't be complete without a bit of sightseeing. Attractions you can't miss include The Norwegian National Opera & Ballet, M/S Nobel: Oslo Fjord Sightseeing / Hop On Hop Off Boat and Viking Ship Museum.

Explore more of Norway

  • Kristiansand is just one of the many cities in Norway waiting to be discovered after you've seen Oslo. Around 290 kilometres away to the southwest, its top attractions include Lille Kjæragbolten, Holmenkollen and Bystranda.

  • If you're eager to discover another major stop in Norway, consider Skien, about 137 kilometres southwest of Oslo. The Telemark Canal, Skien Sluse (Telemarkskanalen) and The Adventure Factory are key reasons to visit.

More travel options

Plan the rest of your trip from Belfast to Oslo

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.