Find flights
When to book
FAQs

Cheap flights from Northern Ireland to Oslo from £51

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 18/5. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — OSL
12 Apr — 19 Apr1
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 13 March 2026.

Thu 7/521:25
BFS
-
OSL
1 stop11h 30m
Ryanair
Sat 9/523:40
OSL
-
BFS
1 stop13h 15m
Ryanair
Deal found 10/3£102
Thu 30/421:25
BFS
-
OSL
1 stop11h 30m
Ryanair
Thu 7/510:35
OSL
-
BFS
1 stop11h 25m
Ryanair
Deal found 10/3£105
Thu 30/422:45
BFS
-
TRF
1 stop14h 00m
Ryanair
Thu 7/511:45
TRF
-
BFS
1 stop4h 35m
Ryanair
Deal found 10/3£108
Fri 24/407:35
BFS
-
OSL
1 stop12h 45m
Ryanair
Fri 1/521:45
OSL
-
BFS
1 stop26h 35m
Ryanair
Deal found 10/3£116
Thu 30/419:40
BFS
-
OSL
2 stops24h 40m
Multiple Airlines
Thu 7/522:35
OSL
-
BFS
2 stops25h 45m
Multiple Airlines
Deal found 10/3£128
Thu 7/508:15
BFS
-
TRF
1 stop12h 05m
Multiple Airlines
Sat 9/509:05
TRF
-
BFS
1 stop13h 10m
Multiple Airlines
Deal found 10/3£135
Thu 30/406:35
BFS
-
TRF
2 stops9h 40m
Multiple Airlines
Thu 7/511:45
TRF
-
BFS
1 stop4h 35m
Multiple Airlines
Deal found 10/3£145
Thu 7/509:15
BFS
-
OSL
2 stops9h 45m
Multiple Airlines
Sat 9/523:40
OSL
-
BFS
1 stop13h 15m
Multiple Airlines
Deal found 10/3£156
Thu 2/408:15
BFS
-
OSL
1 stop6h 00m
Multiple Airlines
Tue 7/423:10
OSL
-
BFS
1 stop25h 10m
Multiple Airlines
Deal found 10/3£156
Fri 24/409:40
BFS
-
OSL
2 stops10h 40m
Multiple Airlines
Fri 1/521:45
OSL
-
BFS
1 stop17h 30m
Multiple Airlines
Deal found 10/3£159
Fri 27/307:05
BFS
-
TRF
1 stop4h 35m
Multiple Airlines
Sun 29/321:40
TRF
-
BFS
1 stop11h 35m
Multiple Airlines
Deal found 7/3£163
Fri 27/307:00
BHD
-
TRF
1 stop4h 40m
Multiple Airlines
Sat 28/320:50
TRF
-
BHD
1 stop12h 55m
Multiple Airlines
Deal found 7/3£165

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 13 March 2026.

Round-trip from

£102

One-way from

£51
Ryanair
  • Ryanair
  • 7/5-9/5
  • 2 total stops
  • 24h 45m total
  • Northern Ireland to Oslo
Search Deals
Ryanair
  • Ryanair
  • 18/5
  • 1 total stop
  • 22h 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 13 March 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 - OSL

BFSOSL

Belfast Intl

Thu 30/4

21:25-09:55

1 stop11h 30m

Oslo Gardermoen

Thu 7/5

10:35-21:00

1 stop11h 25m

£105

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Thu 30/4

22:45-13:45

1 stop14h 00m

Oslo Sandefjord

Thu 7/5

11:45-15:20

1 stop4h 35m

£108

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Thu 30/4

19:40-21:20

2 stops24h 40m

Oslo Gardermoen

Thu 7/5

22:35-23:20

2 stops25h 45m

£128

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Fri 27/3

07:05-12:40

1 stop4h 35m

Oslo Sandefjord

Sun 29/3

21:40-08:15

1 stop11h 35m

£163

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Fri 27/3

07:05-12:40

1 stop4h 35m

Oslo Sandefjord

Sat 28/3

20:50-08:35

1 stop12h 45m

£169

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Thu 30/4

09:50-16:20

1 stop5h 30m

Oslo Gardermoen

Thu 7/5

17:20-09:20

1 stop17h 00m

£170

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Tue 31/3

07:15-18:05

2 stops9h 50m

Oslo Sandefjord

Wed 1/4

20:20-07:40

1 stop12h 20m

£186

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Thu 2/4

22:45-13:45

1 stop14h 00m

Oslo Sandefjord

Tue 7/4

18:15-23:20

1 stop6h 05m

£190

BelfastOslo

BHD - TRF

BHDTRF

Belfast City

Fri 27/3

07:00-12:40

1 stop4h 40m

Oslo Sandefjord

Sun 29/3

21:40-09:00

1 stop12h 20m

£191

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Mon 20/4

16:50-10:30

1 stop16h 40m

Oslo Gardermoen

Tue 21/4

17:45-09:00

1 stop16h 15m

£206

Flights are sorted by cheapest return flights first.

Deals found on 9/3

Showing 1-10 of 43 resultsSorted by cheapest first
1
2
3
...
5

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 5h 30m. Ryanair provides one of the quickest options available for as low as £170. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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
Luton to Oslo Gardermoen flights
Stansted to Oslo Gardermoen flights
Heathrow to Oslo Gardermoen flights
Heathrow to Sandefjord flights
Manchester to Oslo Gardermoen flights
Gatwick to Sandefjord flights
Luton to Sandefjord flights
Stansted to Sandefjord flights
Gatwick to Bergen flights
Manchester to Sandefjord flights
Heathrow to Bergen flights
Heathrow to Tromsø flights
London City to Bergen flights
Gatwick to Trondheim flights
Gatwick to Tromsø flights
Southend to Oslo Gardermoen flights
Stansted to Bergen flights
London City to Tromsø flights
Edinburgh to Oslo Gardermoen flights
Luton to Bergen flights
Heathrow to Trondheim flights
Stansted to Tromsø flights
Manchester to Bergen flights
London City to Trondheim flights
Birmingham to Oslo Gardermoen flights
Aberdeen to Oslo Gardermoen flights
Gatwick to Stavanger flights
Manchester to Tromsø flights
Manchester to Stavanger flights
Heathrow to Stavanger flights
Luton to Tromsø flights
Birmingham to Sandefjord flights
Gatwick to Bodø flights
Stansted to Trondheim flights
Heathrow to Bodø flights
Bristol to Oslo Gardermoen flights
London City to Sandefjord flights
Heathrow to Longyearbyen flights
Edinburgh to Sandefjord flights
Aberdeen to Sandefjord flights
Leeds to Oslo Gardermoen flights
Stansted to Bodø flights
Aberdeen to Bergen flights
London City to Bodø flights
Heathrow to Kristiansand flights
Aberdeen to Stavanger flights
Liverpool to Oslo Gardermoen flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Oslo?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.