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Cheap flights from Northern Ireland to Oslo from £90

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — OSL
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Northern Ireland to Oslo

Enter your travel dates to find the best prices.

Cheapest flights from Northern Ireland to Oslo
Explore the most affordable flight options available from Northern Ireland to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2026.

Sun 8/323:05
BFS
-
TRF
1 stop11h 50m
Ryanair
Wed 11/309:45
TRF
-
BFS
1 stop10h 05m
Ryanair
Deal found 20/1£101
Sat 7/305:45
BFS
-
OSL
1 stop7h 10m
Ryanair
Sat 14/314:25
OSL
-
BFS
1 stop9h 20m
Ryanair
Deal found 21/1£101
Sun 8/320:55
BFS
-
OSL
2 stops18h 25m
Multiple Airlines
Wed 11/316:55
OSL
-
BFS
1 stop15h 55m
Multiple Airlines
Deal found 20/1£104
Fri 6/306:00
BFS
-
OSL
1 stop5h 30m
Multiple Airlines
Fri 13/313:00
OSL
-
BFS
1 stop9h 05m
Multiple Airlines
Deal found 20/1£106
Sun 8/323:05
BFS
-
TRF
1 stop11h 50m
Multiple Airlines
Wed 11/308:40
TRF
-
BFS
2 stops11h 10m
Multiple Airlines
Deal found 20/1£108
Sat 7/305:45
BFS
-
OSL
1 stop7h 10m
Multiple Airlines
Sat 14/316:55
OSL
-
BFS
2 stops14h 50m
Multiple Airlines
Deal found 21/1£110
Sun 8/307:25
BHD
-
TRF
2 stops24h 50m
Multiple Airlines
Wed 11/311:15
TRF
-
BHD
1 stop6h 35m
Multiple Airlines
Deal found 20/1£139
Sun 8/311:05
BHD
-
OSL
2 stops20h 10m
Multiple Airlines
Wed 11/316:55
OSL
-
BHD
2 stops27h 25m
Multiple Airlines
Deal found 20/1£169
Thu 5/220:00
BHD
-
OSL
1 stop26h 35m
British Airways
Mon 9/207:20
OSL
-
BHD
1 stop7h 35m
British Airways
Deal found 21/1£192
Tue 10/310:00
BHD
-
OSL
1 stop23h 55m
British Airways
Fri 13/307:10
OSL
-
BHD
1 stop26h 15m
British Airways
Deal found 19/1£236

Find flight deals from Northern Ireland to Oslo

Keep the following information in mind while searching for Northern Ireland to Oslo flight deals. Data was last updated 22 January 2026.

Round-trip from

£101

One-way from

£90
Ryanair
  • Ryanair
  • 8/3-11/3
  • 2 total stops
  • 21h 55m total
  • Northern Ireland to Oslo
Search Deals
Ryanair
  • Ryanair
  • 9/7
  • 1 total stop
  • 24h 00m total
  • Northern Ireland to Oslo
Search Deals

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 22 January 2026.
Use the filters below to find and compare flights from Northern Ireland to Oslo that are best for you.

Fly from

Northern Ireland

Fly to

Oslo

Route

Depart

Return

Price

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Sun 8/3

23:05-11:55

1 stop11h 50m

Oslo Sandefjord

Wed 11/3

09:45-18:50

1 stop10h 05m

£101

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Sat 7/3

05:45-13:55

1 stop7h 10m

Oslo Gardermoen

Sat 14/3

14:25-22:45

1 stop9h 20m

£101

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Sun 8/3

20:55-16:20

2 stops18h 25m

Oslo Gardermoen

Wed 11/3

16:55-07:50

1 stop15h 55m

£104

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Fri 6/3

06:00-12:30

1 stop5h 30m

Oslo Gardermoen

Fri 13/3

13:00-21:05

1 stop9h 05m

£106

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Sat 7/3

05:45-13:55

1 stop7h 10m

Oslo Gardermoen

Sat 14/3

16:55-06:45

2 stops14h 50m

£110

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Sun 8/3

20:55-15:05

2 stops17h 10m

Oslo Sandefjord

Wed 11/3

08:40-18:50

2 stops11h 10m

£127

BelfastOslo

BHD - TRF

BHDTRF

Belfast City

Sun 8/3

07:25-09:15

2 stops24h 50m

Oslo Sandefjord

Wed 11/3

11:15-16:50

1 stop6h 35m

£139

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Sun 8/3

11:05-08:15

2 stops20h 10m

Oslo Gardermoen

Wed 11/3

16:55-19:20

2 stops27h 25m

£169

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Thu 5/2

11:05-22:40

1 stop10h 35m

Oslo Gardermoen

Mon 9/2

07:20-13:55

1 stop7h 35m

£192

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Tue 10/3

10:00-10:55

1 stop23h 55m

Oslo Gardermoen

Fri 13/3

07:10-08:25

1 stop26h 15m

£236

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 34 results
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Best time to book a flight from Northern Ireland to Oslo

Have a flexible travel schedule? Discover the best time to fly to Oslo from Northern Ireland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Northern Ireland to Oslo
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to Oslo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Northern Ireland to Oslo?

    A quick flight from Northern Ireland to Oslo can take about 10h 35m. Ryanair provides one of the quickest options available for as low as £192. There are 736 mi between Northern Ireland and Oslo. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Northern Ireland to Oslo?

    When deciding which route to take from Northern Ireland to Oslo consider Belfast Intl - Oslo Gardermoen, Belfast City - Oslo Gardermoen or Belfast Intl - Oslo Sandefjord as they are the most popular.

  • Can I find deals for flights from Northern Ireland to Oslo that include hotel bookings?

    Yes. In addition to deals on Northern Ireland to Oslo flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Northern Ireland to Oslo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Oslo.

  • Can I find deals for business class flights from Northern Ireland to Oslo?

    Yes. Cheapflights offers flight deals from Northern Ireland to Oslo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Northern Ireland to Oslo

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Oslo Gardermoen flights
London City to Oslo Gardermoen flights
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Heathrow to Sandefjord flights
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Manchester to Oslo Gardermoen flights
Gatwick to Tromsø flights
Luton to Sandefjord flights
Gatwick to Sandefjord flights
London City to Tromsø flights
Luton to Tromsø flights
Stansted to Tromsø flights
Gatwick to Bergen flights
Stansted to Sandefjord flights
Heathrow to Bergen flights
Edinburgh to Oslo Gardermoen flights
Manchester to Sandefjord flights
Stansted to Bergen flights
London City to Bergen flights
Manchester to Bergen flights
Luton to Bergen flights
Aberdeen to Oslo Gardermoen flights
Manchester to Tromsø flights
Gatwick to Stavanger flights
Birmingham to Oslo Gardermoen flights
Southend to Oslo Gardermoen flights
London City to Stavanger flights
Heathrow to Stavanger flights
Newcastle upon Tyne to Oslo Gardermoen flights
Stansted to Stavanger flights
Gatwick to Trondheim flights
Aberdeen to Stavanger flights
London City to Sandefjord flights
Heathrow to Trondheim flights
Luton to Stavanger flights
Heathrow to Longyearbyen flights
Edinburgh to Sandefjord flights
Heathrow to Narvik flights
Liverpool to Oslo Gardermoen flights
Aberdeen to Sandefjord flights
Gatwick to Narvik flights
Aberdeen to Bergen flights
Birmingham to Sandefjord flights
Gatwick to Longyearbyen flights
Edinburgh to Bergen flights
Stansted to Longyearbyen flights
Birmingham to Bergen flights
Bristol to Oslo Gardermoen flights

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How does Cheapflights help users find flights from Northern Ireland to Oslo?

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Can Cheapflights find flights from Northern Ireland to Oslo with no change fees?

Need flexible booking options for your flight to Oslo from Northern Ireland? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Northern Ireland to Oslo become cheaper?

Yes, Cheapflights offers price alerts on Northern Ireland to Oslo flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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