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Cheap flights from Northern Ireland to Oslo from £40

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 9/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
20:55 - 09:45
BFS
-
TRF
11h 50m
1 stop
Multiple Airlines Logo
20:20 - 07:40
TRF
-
BFS
12h 20m
1 stop
£99Multiple Airlines
Wed, 25 Mar - Wed, 1 Apr
Ryanair Logo
18:50 - 17:50
BFS
-
TRF
22h 00m
2 stops
Ryanair Logo
14:10 - 19:30
TRF
-
BFS
6h 20m
1 stop
£117Ryanair
Mon, 1 Jun - Fri, 5 Jun
Multiple Airlines Logo
19:40 - 21:20
BFS
-
OSL
24h 40m
2 stops
Multiple Airlines Logo
08:15 - 10:40
OSL
-
BFS
27h 25m
2 stops
£118Multiple Airlines
Thu, 9 Apr - Thu, 16 Apr
Multiple Airlines Logo
21:05 - 09:55
BFS
-
OSL
11h 50m
1 stop
Multiple Airlines Logo
08:15 - 10:40
OSL
-
BFS
27h 25m
2 stops
£119Multiple Airlines
Thu, 9 Apr - Thu, 16 Apr
Multiple Airlines Logo
06:40 - 13:00
BFS
-
TRF
5h 20m
1 stop
Multiple Airlines Logo
20:20 - 07:40
TRF
-
BFS
12h 20m
1 stop
£120Multiple Airlines
Mon, 20 Apr - Wed, 22 Apr
Ryanair Logo
21:05 - 09:55
BFS
-
OSL
11h 50m
1 stop
Ryanair Logo
10:35 - 20:40
OSL
-
BFS
11h 05m
1 stop
£122Ryanair
Thu, 9 Apr - Thu, 16 Apr
British Airways Logo
09:05 - 10:55
BHD
-
OSL
24h 50m
1 stop
British Airways Logo
14:40 - 20:15
OSL
-
BHD
6h 35m
1 stop
£193British Airways
Thu, 12 Mar - Mon, 16 Mar
KLM Logo
17:30 - 08:40
BHD
-
OSL
14h 10m
1 stop
KLM Logo
09:20 - 09:20
OSL
-
BHD
25h 00m
1 stop
£196KLM
Fri, 15 May - Sun, 17 May
KLM Logo
17:30 - 08:45
BHD
-
OSL
14h 15m
1 stop
KLM Logo
19:15 - 16:55
OSL
-
BHD
22h 40m
1 stop
£197KLM
Mon, 1 Jun - Fri, 5 Jun
British Airways Logo
15:20 - 23:40
BHD
-
OSL
7h 20m
1 stop
British Airways Logo
20:05 - 08:45
OSL
-
BHD
13h 40m
1 stop
£205British Airways
Mon, 1 Jun - Thu, 4 Jun

KLM flights from Northern Ireland to Oslo

Our best KLM deals on Northern Ireland to Oslo flight tickets
KLM
15 May
BHD17:30Belfast City
14h 10m
1 stop
OSL08:40Oslo Gardermoen
17 May
OSL09:20Oslo Gardermoen
25h 00m
1 stop
BHD09:20Belfast City
£196
KLM
1 Jun
BHD17:30Belfast City
14h 15m
1 stop
OSL08:45Oslo Gardermoen
5 Jun
OSL19:15Oslo Gardermoen
22h 40m
1 stop
BHD16:55Belfast City
£197
KLM
15 May
BHD17:30Belfast City
20h 35m
2 stops
TRF15:05Oslo Sandefjord
17 May
TRF15:30Oslo Sandefjord
18h 50m
2 stops
BHD09:20Belfast City
£285

British Airways flights from Northern Ireland to Oslo

Our best British Airways deals on Northern Ireland to Oslo flight tickets
British Airways
12 Mar
BHD09:05Belfast City
24h 50m
1 stop
OSL10:55Oslo Gardermoen
16 Mar
OSL14:40Oslo Gardermoen
6h 35m
1 stop
BHD20:15Belfast City
£193
British Airways
5 Mar
BHD10:40Belfast City
11h 00m
1 stop
OSL22:40Oslo Gardermoen
9 Mar
OSL14:40Oslo Gardermoen
6h 35m
1 stop
BHD20:15Belfast City
£197
British Airways
26 Feb
BHD06:35Belfast City
15h 05m
1 stop
OSL22:40Oslo Gardermoen
2 Mar
OSL11:35Oslo Gardermoen
8h 05m
1 stop
BHD18:40Belfast City
£200

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 25 February 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

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Wed 25/3

20:55-09:45

1 stop11h 50m

Oslo Sandefjord

Wed 1/4

20:20-07:40

1 stop12h 20m

£99

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Mon 1/6

18:50-17:50

2 stops22h 00m

Oslo Sandefjord

Fri 5/6

14:10-19:30

1 stop6h 20m

£117

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Thu 9/4

19:40-21:20

2 stops24h 40m

Oslo Gardermoen

Thu 16/4

08:15-10:40

2 stops27h 25m

£118

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Thu 9/4

21:05-09:55

1 stop11h 50m

Oslo Gardermoen

Thu 16/4

08:15-10:40

2 stops27h 25m

£119

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Mon 20/4

06:40-13:00

1 stop5h 20m

Oslo Sandefjord

Wed 22/4

20:20-07:40

1 stop12h 20m

£120

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Thu 9/4

21:05-09:55

1 stop11h 50m

Oslo Gardermoen

Thu 16/4

10:35-20:40

1 stop11h 05m

£122

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Thu 12/3

09:05-10:55

1 stop24h 50m

Oslo Gardermoen

Mon 16/3

14:40-20:15

1 stop6h 35m

£193

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Fri 15/5

17:30-08:40

1 stop14h 10m

Oslo Gardermoen

Sun 17/5

09:20-09:20

1 stop25h 00m

£196

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Mon 1/6

17:30-08:45

1 stop14h 15m

Oslo Gardermoen

Fri 5/6

19:15-16:55

1 stop22h 40m

£197

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Mon 1/6

15:20-23:40

1 stop7h 20m

Oslo Gardermoen

Thu 4/6

20:05-08:45

1 stop13h 40m

£205

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 is the most popular carrier 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 20m

Direct flights

None
The fastest flight from Northern Ireland to Oslo takes 5h 20m
There are no direct flights from Northern Ireland to Oslo. There are no popular flight routes from Northern Ireland to Oslo.
Search flight deals

  • 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.

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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