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Cheap flights from Northern Ireland to Oslo from £55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to Oslo departing on 11/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Northern Ireland to Oslo

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
08:15 - 16:20
BFS
-
OSL
7h 05m
1 stop
Multiple Airlines Logo
10:55 - 16:10
OSL
-
BFS
6h 15m
1 stop
£96Multiple Airlines
Thu, 26 Feb - Thu, 5 Mar
Multiple Airlines Logo
08:15 - 16:20
BFS
-
OSL
7h 05m
1 stop
Multiple Airlines Logo
16:55 - 07:50
OSL
-
BFS
15h 55m
1 stop
£101Multiple Airlines
Thu, 26 Feb - Wed, 4 Mar
Multiple Airlines Logo
08:15 - 16:20
BFS
-
OSL
7h 05m
1 stop
Multiple Airlines Logo
18:45 - 08:55
OSL
-
BFS
15h 10m
1 stop
£104Multiple Airlines
Thu, 29 Jan - Mon, 2 Feb
Multiple Airlines Logo
08:15 - 16:20
BFS
-
OSL
7h 05m
1 stop
Multiple Airlines Logo
08:40 - 16:10
OSL
-
BFS
8h 30m
2 stops
£106Multiple Airlines
Thu, 26 Feb - Thu, 5 Mar
Multiple Airlines Logo
20:00 - 16:00
BHD
-
OSL
19h 00m
2 stops
Multiple Airlines Logo
16:55 - 19:20
OSL
-
BHD
27h 25m
2 stops
£117Multiple Airlines
Thu, 26 Feb - Wed, 4 Mar
Multiple Airlines Logo
08:15 - 16:20
BFS
-
OSL
7h 05m
1 stop
Multiple Airlines Logo
13:05 - 09:05
OSL
-
BFS
21h 00m
2 stops
£118Multiple Airlines
Thu, 29 Jan - Mon, 2 Feb
Multiple Airlines Logo
23:05 - 09:15
BFS
-
OSL
9h 10m
1 stop
Multiple Airlines Logo
21:15 - 08:25
OSL
-
BFS
12h 10m
1 stop
£121Multiple Airlines
Sun, 8 Feb - Fri, 13 Feb
Multiple Airlines Logo
21:00 - 16:00
BFS
-
OSL
18h 00m
2 stops
Multiple Airlines Logo
07:10 - 16:10
OSL
-
BFS
10h 00m
2 stops
£127Multiple Airlines
Thu, 26 Feb - Thu, 5 Mar
Multiple Airlines Logo
22:45 - 20:45
BFS
-
OSL
21h 00m
2 stops
Multiple Airlines Logo
21:15 - 08:25
OSL
-
BFS
12h 10m
1 stop
£133Multiple Airlines
Sun, 8 Feb - Fri, 13 Feb
KLM Logo
17:20 - 08:40
BHD
-
OSL
14h 20m
1 stop
KLM Logo
06:30 - 16:50
OSL
-
BHD
11h 20m
1 stop
£184KLM
Thu, 29 Jan - Mon, 2 Feb

British Airways flights from Northern Ireland to Oslo Gardermoen Airport

Our best British Airways deals on Northern Ireland to Oslo Gardermoen Airport flight tickets
British Airways
22 Jan
BHD10:40Belfast City
23h 15m
1 stop
OSL10:55Oslo Gardermoen
26 Jan
OSL14:40Oslo Gardermoen
6h 35m
1 stop
BHD20:15Belfast City
£195
British Airways
22 Jan
BHD10:40Belfast City
11h 00m
1 stop
OSL22:40Oslo Gardermoen
26 Jan
OSL14:40Oslo Gardermoen
6h 35m
1 stop
BHD20:15Belfast City
£198
British Airways
22 Jan
BHD20:00Belfast City
13h 55m
1 stop
OSL10:55Oslo Gardermoen
26 Jan
OSL11:35Oslo Gardermoen
8h 05m
1 stop
BHD18:40Belfast City
£199

Finnair flights from Northern Ireland to Oslo Gardermoen Airport

Our best Finnair deals on Northern Ireland to Oslo Gardermoen Airport flight tickets
Finnair
22 Jan
BHD11:05Belfast City
19h 25m
2 stops
OSL07:30Oslo Gardermoen
26 Jan
OSL20:50Oslo Gardermoen
18h 25m
2 stops
BHD14:15Belfast City
£598
Finnair
10 Mar
BHD11:25Belfast City
11h 30m
2 stops
OSL23:55Oslo Gardermoen
13 Mar
OSL20:50Oslo Gardermoen
18h 25m
2 stops
BHD14:15Belfast City
£598
Finnair
22 Jan
BHD11:05Belfast City
19h 25m
2 stops
OSL07:30Oslo Gardermoen
26 Jan
OSL20:50Oslo Gardermoen
18h 25m
2 stops
BHD14:15Belfast City
£600

momondo Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Oslo Gardermoen Airport 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, momondo users made 279,928 searches. Data last updated 13 January 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

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Thu 26/2

08:15-16:20

1 stop7h 05m

Oslo Gardermoen

Thu 5/3

10:55-16:10

1 stop6h 15m

£96

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Thu 26/2

08:15-16:20

1 stop7h 05m

Oslo Gardermoen

Wed 4/3

16:55-07:50

1 stop15h 55m

£101

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Thu 29/1

08:15-16:20

1 stop7h 05m

Oslo Gardermoen

Mon 2/2

18:45-08:55

1 stop15h 10m

£104

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Thu 26/2

08:15-16:20

1 stop7h 05m

Oslo Gardermoen

Thu 5/3

08:40-16:10

2 stops8h 30m

£106

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Thu 26/2

20:00-16:00

2 stops19h 00m

Oslo Gardermoen

Wed 4/3

16:55-19:20

2 stops27h 25m

£117

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Thu 29/1

08:15-16:20

1 stop7h 05m

Oslo Gardermoen

Mon 2/2

13:05-09:05

2 stops21h 00m

£118

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Sun 8/2

23:05-09:15

1 stop9h 10m

Oslo Gardermoen

Fri 13/2

21:15-08:25

1 stop12h 10m

£121

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Thu 26/2

21:00-16:00

2 stops18h 00m

Oslo Gardermoen

Thu 5/3

07:10-16:10

2 stops10h 00m

£127

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Sun 8/2

22:45-20:45

2 stops21h 00m

Oslo Gardermoen

Fri 13/2

21:15-08:25

1 stop12h 10m

£133

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Thu 29/1

17:20-08:40

1 stop14h 20m

Oslo Gardermoen

Mon 2/2

06:30-16:50

1 stop11h 20m

£184

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Oslo from

How to get the cheapest flight ticket from Northern Ireland to Oslo Gardermoen Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Northern Ireland to Oslo Gardermoen?

Ryanair is the most popular carrier operating from Northern Ireland to Oslo Gardermoen

Cheap Northern Ireland to Oslo Gardermoen Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Oslo Gardermoen Airport

Fastest flight time

7h 05m

Direct flights

None
The fastest flight from Northern Ireland to Oslo Gardermoen Airport takes 7h 05m
There are no direct flights from Northern Ireland to Oslo Gardermoen Airport. There are no popular flight routes from Northern Ireland to Oslo Gardermoen Airport.
Search flight deals

  • When did momondo last update prices for flights from Northern Ireland to Oslo Gardermoen Airport?

    Prices for flights from Northern Ireland to Oslo Gardermoen Airport refresh daily.

  • How old do you have to be to fly from Northern Ireland to Oslo Gardermoen Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Northern Ireland to Oslo Gardermoen Airport.

  • What documentation or ID do you need to fly to Oslo Gardermoen Airport?

    The necessary travel and health documents for your Oslo Gardermoen Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Oslo?

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

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to Oslo?

Finding the right flight to Oslo from Northern Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Oslo quick and easy, saving you time and money.

Can I find flights from Northern Ireland to Oslo with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Northern Ireland to Oslo flights to just show those with flexible booking policies.

How can momondo help me find flights from Northern Ireland to Oslo?

momondo helps you find the best flight between Northern Ireland and Oslo by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Northern Ireland to Oslo right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Oslo, momondo offers a useful price alert feature which will track prices for flights to Oslo from Northern Ireland and alert you when they change.

An easier way to manage your Oslo Gardermoen Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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