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Cheap flights from Northern Ireland to Oslo from £80

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 5/10. 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
1 adult, Economy, 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.
Ryanair Logo
20:40 - 09:55
BFS
-
OSL
12h 15m
1 stop
Ryanair Logo
10:35 - 23:20
OSL
-
BFS
13h 45m
1 stop
£112Ryanair
Thu, 13 Aug - Wed, 19 Aug
Multiple Airlines Logo
06:40 - 07:35
BFS
-
OSL
23h 55m
2 stops
Multiple Airlines Logo
10:35 - 23:20
OSL
-
BFS
13h 45m
1 stop
£117Multiple Airlines
Thu, 13 Aug - Wed, 19 Aug
Ryanair Logo
16:40 - 22:45
BFS
-
OSL
5h 05m
1 stop
Ryanair Logo
18:45 - 08:05
OSL
-
BFS
14h 20m
2 stops
£118Ryanair
Tue, 18 Aug - Mon, 24 Aug
Multiple Airlines Logo
16:40 - 22:45
BFS
-
OSL
5h 05m
1 stop
Multiple Airlines Logo
18:45 - 09:10
OSL
-
BFS
15h 25m
1 stop
£123Multiple Airlines
Tue, 18 Aug - Mon, 24 Aug
Ryanair Logo
20:15 - 09:00
BFS
-
OSL
11h 45m
1 stop
Ryanair Logo
10:35 - 16:15
OSL
-
BFS
6h 40m
1 stop
£134Ryanair
Sat, 15 Aug - Tue, 18 Aug
Multiple Airlines Logo
06:40 - 07:35
BFS
-
OSL
23h 55m
2 stops
Multiple Airlines Logo
10:35 - 19:50
OSL
-
BFS
10h 15m
2 stops
£139Multiple Airlines
Thu, 13 Aug - Wed, 19 Aug
easyJet Logo
08:10 - 09:15
BFS
-
OSL
24h 05m
1 stop
easyJet Logo
11:15 - 21:50
OSL
-
BFS
11h 35m
1 stop
£158easyJet
Thu, 20 Aug - Mon, 24 Aug
KLM Logo
17:30 - 16:20
BHD
-
OSL
21h 50m
1 stop
KLM Logo
06:30 - 16:55
OSL
-
BHD
11h 25m
1 stop
£165KLM
Thu, 13 Aug - Wed, 19 Aug
KLM Logo
17:30 - 08:45
BHD
-
OSL
14h 15m
1 stop
KLM Logo
19:15 - 09:20
OSL
-
BHD
15h 05m
1 stop
£175KLM
Tue, 29 Sep - Sun, 4 Oct
British Airways Logo
20:35 - 10:55
BHD
-
OSL
13h 20m
1 stop
British Airways Logo
17:05 - 08:50
OSL
-
BHD
16h 45m
1 stop
£210British Airways
Thu, 20 Aug - Mon, 24 Aug

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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
20 Aug
BHD20:35Belfast City
13h 20m
1 stop
OSL10:55Oslo Gardermoen
24 Aug
OSL17:05Oslo Gardermoen
16h 45m
1 stop
BHD08:50Belfast City
£210
British Airways
11 Aug
BHD19:30Belfast City
26h 50m
1 stop
OSL23:20Oslo Gardermoen
19 Aug
OSL17:10Oslo Gardermoen
16h 40m
1 stop
BHD08:50Belfast City
£236
British Airways
20 Aug
BHD20:35Belfast City
13h 20m
1 stop
OSL10:55Oslo Gardermoen
24 Aug
OSL17:05Oslo Gardermoen
16h 45m
1 stop
BHD08:50Belfast City
£238

Ryanair flights from Northern Ireland to Oslo Gardermoen Airport

Our best Ryanair deals on Northern Ireland to Oslo Gardermoen Airport flight tickets
Ryanair
13 Aug
BFS20:40Belfast Intl
12h 15m
1 stop
OSL09:55Oslo Gardermoen
19 Aug
OSL10:35Oslo Gardermoen
13h 45m
1 stop
BFS23:20Belfast Intl
£112
Ryanair
18 Aug
BFS16:40Belfast Intl
5h 05m
1 stop
OSL22:45Oslo Gardermoen
24 Aug
OSL18:45Oslo Gardermoen
14h 20m
2 stops
BFS08:05Belfast Intl
£118
Ryanair
22 Aug
BFS20:15Belfast Intl
11h 45m
1 stop
OSL09:00Oslo Gardermoen
28 Aug
OSL10:20Oslo Gardermoen
13h 40m
1 stop
BFS23:00Belfast Intl
£130

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 28 June 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

Thu 13/8

20:40-09:55

1 stop12h 15m

Oslo Gardermoen

Wed 19/8

10:35-23:20

1 stop13h 45m

£112

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Thu 13/8

06:40-07:35

2 stops23h 55m

Oslo Gardermoen

Wed 19/8

10:35-23:20

1 stop13h 45m

£117

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Tue 18/8

16:40-22:45

1 stop5h 05m

Oslo Gardermoen

Mon 24/8

18:45-08:05

2 stops14h 20m

£118

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Tue 18/8

16:40-22:45

1 stop5h 05m

Oslo Gardermoen

Mon 24/8

18:45-09:10

1 stop15h 25m

£123
Fastest return journey

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Sat 15/8

20:15-09:00

1 stop11h 45m

Oslo Gardermoen

Tue 18/8

10:35-16:15

1 stop6h 40m

£134

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Thu 13/8

06:40-07:35

2 stops23h 55m

Oslo Gardermoen

Wed 19/8

10:35-19:50

2 stops10h 15m

£139

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Thu 20/8

08:10-09:15

1 stop24h 05m

Oslo Gardermoen

Mon 24/8

11:15-21:50

1 stop11h 35m

£158

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Thu 13/8

17:30-16:20

1 stop21h 50m

Oslo Gardermoen

Wed 19/8

06:30-16:55

1 stop11h 25m

£165

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

£175

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Thu 20/8

20:35-10:55

1 stop13h 20m

Oslo Gardermoen

Mon 24/8

17:05-08:50

1 stop16h 45m

£210

Flights are sorted by cheapest return flights first.

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

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

10h 20m

Direct flights

None
The fastest flight from Northern Ireland to Oslo Gardermoen Airport takes 10h 20m
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.
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Frequently asked questions about flying from Northern Ireland to Oslo Gardermoen Airport

  • 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.

Frequently asked questions about flying from Northern Ireland to Oslo Gardermoen Airport

  • How do I get Price Alerts for flights from Northern Ireland to Oslo Gardermoen Airport?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Northern Ireland from Oslo Gardermoen Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Northern Ireland to Oslo Gardermoen Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Travelling to a place near Oslo?

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

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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