Cheap Flights from Belfast (BELF) to Oslo (OSL)

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Compare Belfast to Oslo Gardermoen flight deals

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

Book the best Oslo Gardermoen fare with no extra fees

Flight deals from Belfast to Oslo Gardermoen

Looking for a cheap last-minute deal or the best return flight from Belfast to Oslo Gardermoen? Find the lowest prices on one-way and return tickets right here.

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 July.

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.

Belfast to Oslo: Flight information

The things to know before you go.
Cheapest flight found$273
Cheapest month to flyJuly

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 $273. 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 $273.
As of May 2025, there are no flights flying from Belfast to Oslo Gardermoen.
The cheapest month to fly from Belfast to Oslo Gardermoen is usually May 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Belfast to Oslo Gardermoen Airport on Thursday, 3 July 2025.
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 easyJet .

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

  • Belfast is home to two main airports where you can start your adventure. Explore your options for reserving a flight from Belfast to Oslo Airport Gardermoen (OSL) departing from Belfast International Airport (BFS) or George Best Belfast City Airport (BHD).

  • Oslo Airport Gardermoen is located in Oslo. The city operates in the UTC+1 timezone and is 1 hour ahead of Belfast.

  • Leave enough time to make your flight from Belfast to OSL. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • Be prepared for bigger queues during popular months like August and other peak periods. Arriving up to four hours ahead of international flights and two hours for a domestic departure is a smart move.

Airports in Belfast

Belfast International Airport (BFS)

  • A stopover is the ideal opportunity to take a travel break — and possibly even explore another city. When searching for flights from Belfast to OSL leaving from Belfast International Airport (BFS), uncheck the 'Direct flights only' box to see where you can visit along the way. Popular options include:

    • Amsterdam Airport Schiphol Airport (AMS)

    • London Gatwick Airport (LGW)

    • Edinburgh Airport (EDI)

  • BFS is approximately 32 kilometres from central Belfast. To work out how to get there, use Google Maps. This useful travel app will show you the best route and available public transport options.

  • Want a convenient hotel near Belfast International Airport? If you've booked an early flight from Belfast to Oslo Airport Gardermoen Airport, these stays will have you sleeping moments from your departure gate:

George Best Belfast City Airport (BHD)

  • Make the most of your holiday with a stopover on your flight from Belfast to Oslo Airport Gardermoen. Visit family or friends or cross another city off your list. Whatever you'd like to do, here's where you can stop between George Best Belfast City Airport and OSL:

    • London Gatwick Airport (LGW)

    • Edinburgh Airport (EDI)

    • Charles de Gaulle Airport (CDG)

  • You can arrive at BHD from central Belfast in approximately 12 minutes by car, depending on traffic. The ride on public transport will take roughly 22 minutes to travel the 8 kilometres or so.

  • It's your holiday, so why not enjoy another night away? Consider checking in to one of these accommodation options near George Best Belfast City Airport the day before your flight from Belfast to OSL:

About Oslo Airport Gardermoen Airport (OSL)

Getting from Oslo Airport Gardermoen Airport (OSL) to central Oslo

  • Oslo Airport Gardermoen Airport is approximately 48 kilometres from central Oslo. With your own car rental or if you take a cab, the drive is about 38 minutes.

  • Travelling by public transport takes around 30 minutes.

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

  • $131 is the cheapest price we've seen for a one-way ticket from Belfast to Oslo Airport Gardermoen Airport. Return flights start from $273. Prices are subject to change based on availability and may vary at the time of booking.

  • Don't wait until the last minute. You're more likely to get flight tickets from Belfast to OSL if you book ahead. Airlines often have some amazing early bird deals.

  • The 'Whole month' search tool shows you the cheapest tickets from Belfast to Oslo Airport Gardermoen Airport across the month. It's a good way to snap up a bargain if your dates are flexible.

  • Create a Price Alert and keep an eye on changes on this route through push notifications or email. You'll be the first to know when fares go down. Good timing makes all the difference when searching for flight tickets from Belfast to OSL.

  • Play around with the filters to find your ideal journey. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Belfast to Oslo Airport Gardermoen Airport, use the 'Sort by' function. You can also filter results by arrival and departure times, airline, and journey duration.

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

  • June is the busiest month to board a flight from Belfast to Oslo Airport Gardermoen Airport while February is the quietest. To work out the ideal time to go to Oslo, consider whether you like a lively atmosphere or a quieter vibe.

  • The warmest month in Oslo is July, with the temperature ranging between 8ºC and 25ºC. Book your flights from Belfast to OSL in this month if this is the type of weather you enjoy.

  • January sees average temperatures of between -14ºC and 1ºC. Search for cheap flights from Belfast to Oslo Airport Gardermoen Airport around that time if you want to travel in cooler conditions.

More about Oslo

  • When it comes to searching for somewhere to rest your head, you'll find the most popular stays in Oslo right here. Browse these hotels as soon as you've locked in your flight from Belfast to Oslo Airport Gardermoen Airport:

  • One of the best ways to get to know Oslo is to explore its most popular attractions. Essential stops include Viking Ship Museum, The Norwegian National Opera & Ballet and Akershus Fortress.

Complete your Oslo trip with a car rental

  • Finding you a cheap flight from Belfast to Oslo Airport Gardermoen isn't the only thing we're good at. Browse our car rentals in Oslo and see the sights your way. We find deals from trusted car rental companies and put them all in one place. You can instantly compare rates and then book with no fees.

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