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Cheap flights from Northern Ireland to Oslo from £103

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/1. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — OSL
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Northern Ireland to Oslo

Enter your travel dates to find the best prices.

Best flights from Northern Ireland to Oslo
Discover carefully curated flight deals from Northern Ireland to Oslo that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 December 2025.

Fri 30/107:50BFS - TRF
1 stop7h 40mRyanair
Mon 2/220:10TRF - BFS
1 stop13h 45mRyanair
Deal found 4/12£103
Fri 30/107:50BFS - TRF
2 stops24h 25mMultiple Airlines
Mon 2/213:55TRF - BFS
1 stop5h 30mMultiple Airlines
Deal found 4/12£108
Fri 30/106:45BHD - OSL
1 stop15h 50mBritish Airways
Mon 2/211:35OSL - BHD
1 stop6h 15mBritish Airways
Deal found 4/12£175
Fri 30/106:00BFS - OSL
1 stop5h 30mMultiple Airlines
Mon 2/217:20OSL - BFS
1 stop5h 35mMultiple Airlines
Deal found 4/12£122
Fri 30/114:15BHD - OSL
1 stop5h 35mMultiple Airlines
Mon 2/221:20OSL - BHD
2 stops15h 20mMultiple Airlines
Deal found 4/12£187
Mon 12/106:35BHD - OSL
1 stop27h 20mBritish Airways
Fri 16/107:10OSL - BHD
1 stop14h 20mBritish Airways
Deal found 1/12£222
Mon 12/117:20BHD - TRF
2 stops23h 40mKLM
Fri 16/109:00TRF - BHD
2 stops8h 50mKLM
Deal found 1/12£460
Fri 30/107:00BHD - TRF
1 stop4h 40mMultiple Airlines
Mon 2/212:20TRF - BHD
1 stop9h 30mMultiple Airlines
Deal found 4/12£223
Mon 12/117:20BHD - TRF
2 stops23h 40mKLM
Thu 15/109:00TRF - BHD
2 stops8h 50mKLM
Deal found 1/12£535

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 5 December 2025.

Round-trip from

£103

Popular in

June

Cheapest in

May

Average price

£286
Ryanair
  • Ryanair
  • 30/1-2/2
  • 2 total stops
  • 21h 25m total
  • Northern Ireland to Oslo
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£36 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 5 December 2025.
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

Fri 30/1

07:50-16:30

1 stop7h 40m

Oslo Sandefjord

Mon 2/2

20:10-08:55

1 stop13h 45m

£103

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Fri 30/1

07:50-09:15

2 stops24h 25m

Oslo Sandefjord

Mon 2/2

13:55-18:25

1 stop5h 30m

£108

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Fri 30/1

06:00-12:30

1 stop5h 30m

Oslo Gardermoen

Mon 2/2

17:20-21:55

1 stop5h 35m

£122

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Fri 30/1

06:45-23:35

1 stop15h 50m

Oslo Gardermoen

Mon 2/2

11:35-16:50

1 stop6h 15m

£175

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Fri 30/1

14:15-20:50

1 stop5h 35m

Oslo Gardermoen

Mon 2/2

21:20-11:40

2 stops15h 20m

£187

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Mon 12/1

06:35-10:55

1 stop27h 20m

Oslo Gardermoen

Fri 16/1

07:10-20:30

1 stop14h 20m

£222

BelfastOslo

BHD - TRF

BHDTRF

Belfast City

Fri 30/1

07:00-12:40

1 stop4h 40m

Oslo Sandefjord

Mon 2/2

12:20-20:50

1 stop9h 30m

£223

BelfastOslo

BHD - TRF

BHDTRF

Belfast City

Mon 12/1

17:20-18:00

2 stops23h 40m

Oslo Sandefjord

Fri 16/1

09:00-16:50

2 stops8h 50m

£460

BelfastOslo

BHD - TRF

BHDTRF

Belfast City

Mon 12/1

17:20-18:00

2 stops23h 40m

Oslo Sandefjord

Thu 15/1

09:00-16:50

2 stops8h 50m

£535

Flights are sorted by cheapest return flights first.

Deals found on 4/12

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

What is the cheapest time of day to fly from NIR to OSL?

Find hourly flight availability from Northern Ireland to Oslo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 December 2025.

It’s typically best to fly out from Northern Ireland to Oslo in the morning. Doing so could potentially save you 18% on the flight price compared to flying in the evening, which is usually more expensive.

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 7h 40m. Ryanair provides one of the quickest options available for as low as £103. There are 693 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 City - 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.
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Stansted to Oslo Gardermoen flights
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Luton to Longyearbyen flights
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Edinburgh to Oslo Gardermoen flights
Luton to Bergen flights
London City to Bergen flights
Leeds to Oslo Gardermoen flights
Gatwick to Stavanger flights
Heathrow to Stavanger flights
Aberdeen to Bergen flights
Edinburgh to Sandefjord flights
Edinburgh to Bergen flights
Bristol to Oslo Gardermoen flights
Heathrow to Trondheim flights
Bristol to Sandefjord flights
Aberdeen to Stavanger flights
Aberdeen to Oslo Gardermoen flights
Liverpool to Oslo Gardermoen flights
Southampton to Oslo Gardermoen flights
Birmingham to Sandefjord flights
Edinburgh to Tromsø flights
Gatwick to Trondheim flights
Birmingham to Bergen flights
Glasgow Intl to Oslo Gardermoen flights
Manchester to Trondheim flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Northern Ireland to Oslo. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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Millions of users choose and trust Cheapflights to book the best flight deals from Northern Ireland to Oslo for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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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