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Cheap flights from Belfast Intl Airport to Oslo from £49

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — OSL
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Oslo

Enter your travel dates to find the best prices.

Best flights from Belfast Intl to Oslo
Discover carefully curated flight deals from Belfast Intl to Oslo that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 December 2025.

Tue 13/105:45BFS - OSL
1 stop15h 20mMultiple Airlines
Tue 20/122:40OSL - BFS
1 stop10h 40mMultiple Airlines
Deal found 16/12£109
Sat 31/123:10BFS - OSL
1 stop18h 05mRyanair
Sat 7/214:25OSL - BFS
1 stop9h 20mRyanair
Deal found 17/12£148
Fri 6/207:50BFS - TRF
1 stop7h 40mMultiple Airlines
Fri 6/221:20TRF - BFS
2 stops15h 35mMultiple Airlines
Deal found 16/12£111
Tue 13/120:55BFS - TRF
1 stop12h 55mMultiple Airlines
Tue 20/111:05TRF - BFS
1 stop9h 00mMultiple Airlines
Deal found 16/12£112
Sat 31/106:55BFS - OSL
2 stops24h 20mMultiple Airlines
Sat 7/214:25OSL - BFS
1 stop9h 20mMultiple Airlines
Deal found 17/12£132
Fri 6/207:05BFS - OSL
1 stop4h 15mMultiple Airlines
Fri 6/215:45OSL - BFS
2 stops21h 10mMultiple Airlines
Deal found 16/12£176

Find flight deals from Belfast Intl to Oslo

Discover tips and strategies to find the most affordable flight options for your journey from Belfast Intl (BFS) to Oslo (OS1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 December 2025.

Round-trip from

£109

One-way from

£49

Popular in

June

Cheapest in

May
13/1-20/1
  • 13/1-20/1
  • 2 total stops
  • 26h 00m total
  • Belfast to Oslo
Search Deals
Ryanair
  • Ryanair
  • 2/2
  • 1 total stop
  • 4h 40m total
  • Belfast to Oslo
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£37 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£13 potential savings vs. average return price).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl 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 18 December 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Oslo that are best for you.

Fly from

Belfast Intl

Fly to

Oslo

Route

Depart

Return

Price

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Tue 13/1

05:45-22:05

1 stop15h 20m

Oslo Gardermoen

Tue 20/1

22:40-08:20

1 stop10h 40m

£109

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Fri 6/2

07:50-16:30

1 stop7h 40m

Oslo Sandefjord

Fri 6/2

21:20-11:55

2 stops15h 35m

£111

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Tue 13/1

20:55-10:50

1 stop12h 55m

Oslo Sandefjord

Tue 20/1

11:05-19:05

1 stop9h 00m

£112

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Sat 31/1

06:55-08:15

2 stops24h 20m

Oslo Gardermoen

Sat 7/2

14:25-22:45

1 stop9h 20m

£132

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Sat 31/1

23:10-18:15

1 stop18h 05m

Oslo Gardermoen

Sat 7/2

14:25-22:45

1 stop9h 20m

£148

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Fri 6/2

07:05-12:20

1 stop4h 15m

Oslo Gardermoen

Fri 6/2

15:45-11:55

2 stops21h 10m

£176

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Mon 2/2

07:50-13:30

1 stop4h 40m

£49

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Tue 17/2

18:25-09:20

1 stop13h 55m

£52

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Mon 2/2

22:20-14:05

2 stops14h 45m

£64

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Mon 2/2

20:55-20:50

1 stop22h 55m

£76

Flights are sorted by cheapest return flights first.

Deals found on 16/12

Showing 1-10 of 11 results
1
2

Best time to book a flight from Belfast Intl to Oslo

Have a flexible travel schedule? Discover the best time to fly to Oslo from Belfast Intl 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 Belfast Intl Airport 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 Belfast Intl 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 Belfast Intl Airport to Oslo?

    Airlines like Ryanair fly from Belfast Intl Airport to Oslo in about 18h 05m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 745 mi.

  • Can I find deals for flights from Belfast Intl to Oslo that include hotel bookings?

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

  • How can I find direct flights from Belfast Intl to Oslo?

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

  • Can I find deals for business class flights from Belfast Intl to Oslo?

    Yes. Cheapflights offers flight deals from Belfast Intl 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 Belfast Intl to Oslo

See prices for flight routes from nearby airports that may be better suited for you.
Belfast Intl to Oslo Gardermoen flights
Belfast City to Oslo Gardermoen flights
Belfast Intl to Bergen flights
Belfast City to Bergen 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 Belfast Intl to Oslo?

Deals for Belfast Intl to Oslo flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to Oslo?

Cheapflights simply makes it quick and affordable to book flights from Belfast Intl to Oslo by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Belfast Intl to Oslo with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Belfast Intl to Oslo, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Belfast Intl to Oslo become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Oslo from Belfast Intl today and book when prices fit your budget.

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