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Cheap flights from Northern Ireland to Oslo from £45

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 30/6. 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.
Ryanair Logo
08:50 - 17:50
BFS
-
TRF
8h 00m
1 stop
Ryanair Logo
09:05 - 21:15
TRF
-
BFS
13h 10m
1 stop
£80Ryanair
Tue, 9 Jun - Sat, 13 Jun
Multiple Airlines Logo
22:45 - 13:25
BFS
-
TRF
13h 40m
1 stop
Multiple Airlines Logo
20:00 - 07:50
TRF
-
BFS
12h 50m
1 stop
£87Multiple Airlines
Thu, 4 Jun - Wed, 10 Jun
Ryanair Logo
17:05 - 08:40
BFS
-
TRF
14h 35m
1 stop
Ryanair Logo
18:15 - 23:20
TRF
-
BFS
6h 05m
1 stop
£88Ryanair
Fri, 5 Jun - Tue, 9 Jun
Ryanair Logo
17:05 - 08:40
BFS
-
TRF
14h 35m
1 stop
Ryanair Logo
18:15 - 23:20
TRF
-
BFS
6h 05m
1 stop
£90Ryanair
Fri, 5 Jun - Tue, 9 Jun
Multiple Airlines Logo
14:50 - 11:50
BFS
-
OSL
20h 00m
2 stops
Multiple Airlines Logo
10:35 - 23:20
OSL
-
BFS
13h 45m
1 stop
£95Multiple Airlines
Thu, 4 Jun - Wed, 10 Jun
Multiple Airlines Logo
14:50 - 11:50
BFS
-
OSL
20h 00m
2 stops
Multiple Airlines Logo
10:35 - 23:20
OSL
-
BFS
13h 45m
1 stop
£96Multiple Airlines
Thu, 4 Jun - Wed, 10 Jun
Multiple Airlines Logo
12:45 - 08:30
BFS
-
TRF
18h 45m
2 stops
Multiple Airlines Logo
20:00 - 07:50
TRF
-
BFS
12h 50m
1 stop
£96Multiple Airlines
Thu, 4 Jun - Wed, 10 Jun
Multiple Airlines Logo
14:50 - 11:50
BFS
-
OSL
20h 00m
2 stops
Multiple Airlines Logo
10:35 - 23:20
OSL
-
BFS
13h 45m
1 stop
£97Multiple Airlines
Thu, 4 Jun - Wed, 10 Jun
Multiple Airlines Logo
14:50 - 12:35
BFS
-
TRF
20h 45m
2 stops
Multiple Airlines Logo
20:00 - 07:50
TRF
-
BFS
12h 50m
1 stop
£97Multiple Airlines
Thu, 4 Jun - Wed, 10 Jun
Multiple Airlines Logo
17:05 - 08:40
BFS
-
TRF
14h 35m
1 stop
Multiple Airlines Logo
18:20 - 11:35
TRF
-
BFS
18h 15m
2 stops
£102Multiple Airlines
Fri, 5 Jun - Tue, 9 Jun

British Airways flights from Northern Ireland to Oslo

Our best British Airways deals on Northern Ireland to Oslo flight tickets
British Airways
1 Jun
BHD15:20Belfast City
7h 20m
1 stop
OSL23:40Oslo Gardermoen
2 Jun
OSL19:30Oslo Gardermoen
14h 30m
1 stop
BHD09:00Belfast City
£292
British Airways
1 Jun
BHD15:20Belfast City
7h 20m
1 stop
OSL23:40Oslo Gardermoen
2 Jun
OSL19:30Oslo Gardermoen
14h 30m
1 stop
BHD09:00Belfast City
£292
British Airways
1 Jun
BHD06:30Belfast City
16h 10m
1 stop
OSL23:40Oslo Gardermoen
2 Jun
OSL07:45Oslo Gardermoen
8h 45m
1 stop
BHD15:30Belfast City
£317

Ryanair flights from Northern Ireland to Oslo

Our best Ryanair deals on Northern Ireland to Oslo flight tickets
Ryanair
9 Jun
BFS08:50Belfast Intl
8h 00m
1 stop
TRF17:50Oslo Sandefjord
13 Jun
TRF09:05Oslo Sandefjord
13h 10m
1 stop
BFS21:15Belfast Intl
£80
Ryanair
5 Jun
BFS17:05Belfast Intl
14h 35m
1 stop
TRF08:40Oslo Sandefjord
9 Jun
TRF18:15Oslo Sandefjord
6h 05m
1 stop
BFS23:20Belfast Intl
£88
Ryanair
5 Jun
BFS17:05Belfast Intl
14h 35m
1 stop
TRF08:40Oslo Sandefjord
9 Jun
TRF18:15Oslo Sandefjord
6h 05m
1 stop
BFS23:20Belfast Intl
£90

momondo Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Oslo 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 May 2026.
Use the filters below to find and compare flights from Northern Ireland to Oslo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Tue 9/6

08:50-17:50

1 stop8h 00m

Oslo Sandefjord

Sat 13/6

09:05-21:15

1 stop13h 10m

£80

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Thu 4/6

22:45-13:25

1 stop13h 40m

Oslo Sandefjord

Wed 10/6

20:00-07:50

1 stop12h 50m

£87
Fastest return journey

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Fri 5/6

17:05-08:40

1 stop14h 35m

Oslo Sandefjord

Tue 9/6

18:15-23:20

1 stop6h 05m

£88

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Fri 5/6

17:05-08:40

1 stop14h 35m

Oslo Sandefjord

Tue 9/6

18:15-23:20

1 stop6h 05m

£90

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Thu 4/6

14:50-11:50

2 stops20h 00m

Oslo Gardermoen

Wed 10/6

10:35-23:20

1 stop13h 45m

£95

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Thu 4/6

14:50-11:50

2 stops20h 00m

Oslo Gardermoen

Wed 10/6

10:35-23:20

1 stop13h 45m

£96

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Thu 4/6

12:45-08:30

2 stops18h 45m

Oslo Sandefjord

Wed 10/6

20:00-07:50

1 stop12h 50m

£96

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Thu 4/6

14:50-11:50

2 stops20h 00m

Oslo Gardermoen

Wed 10/6

10:35-23:20

1 stop13h 45m

£97

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Thu 4/6

14:50-12:35

2 stops20h 45m

Oslo Sandefjord

Wed 10/6

20:00-07:50

1 stop12h 50m

£97

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Fri 5/6

17:05-08:40

1 stop14h 35m

Oslo Sandefjord

Tue 9/6

18:20-11:35

2 stops18h 15m

£102

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Oslo from

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

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?

Ryanair and KLM are the most popular carriers operating from Northern Ireland to Oslo

Cheap Northern Ireland to Oslo flight deals and tips

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

Fastest flight time

5h 50m

Direct flights

None
The fastest flight from Northern Ireland to Oslo takes 5h 50m
There are no direct flights from Northern Ireland to Oslo. There are no popular flight routes from Northern Ireland to Oslo.
Search flight deals

Frequently asked questions about flying from Northern Ireland to Oslo

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

    Prices for flights from Northern Ireland to Oslo refresh daily.

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

    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.

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

    The necessary travel and health documents for your Oslo 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.

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 enables you to select and highlight flights to Oslo from Northern Ireland with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Oslo from Northern Ireland.

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 not ready to book a flight from Northern Ireland to Oslo now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Oslo and let you know when they change.

An easier way to manage your Oslo trip

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Find better results for your trip to Norway

Fly into one of these airports located in Oslo

Airports listed have a maximum distance of 53.1 mi from Oslo
Oslo Gardermoen Airport
Oslo Sandefjord Airport