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Cheap flights from Belfast Intl Airport to Oslo from £75

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
11 Jan — 18 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.

Cheapest flights from Belfast Intl to Oslo
Explore the most affordable flight options available from Belfast Intl to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Sat 13/1205:45BFS - TRF
2 stops27h 20mMultiple Airlines
Mon 15/1213:55TRF - BFS
1 stop9h 00mMultiple Airlines
Deal found 11/12£149
Fri 19/1205:45BFS - TRF
1 stop26h 55mMultiple Airlines
Sun 21/1219:05TRF - BFS
1 stop4h 35mMultiple Airlines
Deal found 11/12£154
Sat 13/1205:45BFS - OSL
2 stops25h 20mMultiple Airlines
Mon 15/1217:20OSL - BFS
1 stop5h 35mMultiple Airlines
Deal found 11/12£161
Fri 19/1205:45BFS - OSL
1 stop16h 05mMultiple Airlines
Sun 21/1222:00OSL - BFS
3 stops27h 25mMultiple Airlines
Deal found 11/12£208
Sat 13/1206:00BFS - TRF
1 stop13h 25mRyanair
Mon 15/1213:55TRF - BFS
1 stop9h 00mRyanair
Deal found 11/12£228
Sat 13/1205:45BFS - OSL
1 stop7h 10mRyanair
Mon 15/1217:20OSL - BFS
1 stop5h 35mRyanair
Deal found 11/12£263

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 12 December 2025.

Round-trip from

£93

One-way from

£75

Popular in

June

Cheapest in

May
Ryanair
  • Ryanair
  • 16/3-26/3
  • 2 total stops
  • 19h 50m total
  • Belfast to Oslo
Search Deals
2/2
  • 2/2
  • 1 total stop
  • 22h 55m total
  • Belfast 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. 9% potential price decrease (£14 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 12 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 - TRF

BFSTRF

Belfast Intl

Mon 16/3

22:20-12:30

1 stop13h 10m

Oslo Sandefjord

Thu 26/3

10:30-16:10

1 stop6h 40m

£93

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Mon 2/3

19:20-10:40

1 stop14h 20m

Oslo Sandefjord

Thu 12/3

19:40-07:25

1 stop12h 45m

£101

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Thu 15/1

08:15-16:20

1 stop7h 05m

Oslo Gardermoen

Wed 21/1

16:55-07:50

1 stop15h 55m

£103

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Tue 3/2

13:55-08:15

2 stops17h 20m

Oslo Sandefjord

Thu 12/2

10:30-16:10

1 stop6h 40m

£108

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Tue 17/2

05:45-12:30

1 stop5h 45m

Oslo Sandefjord

Thu 26/2

15:05-22:50

2 stops8h 45m

£109

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Thu 15/1

21:05-12:40

1 stop14h 35m

Oslo Sandefjord

Wed 21/1

11:15-16:00

1 stop5h 45m

£111

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Tue 19/5

07:35-14:15

1 stop5h 40m

Oslo Sandefjord

Fri 29/5

14:10-19:30

1 stop6h 20m

£112

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Sat 24/1

23:10-18:15

1 stop18h 05m

Oslo Gardermoen

Sat 31/1

14:25-22:45

1 stop9h 20m

£114

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Sat 24/1

12:45-08:15

2 stops18h 30m

Oslo Gardermoen

Sat 31/1

14:25-22:45

1 stop9h 20m

£117

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Mon 2/3

19:20-10:40

1 stop14h 20m

Oslo Sandefjord

Thu 12/3

19:40-22:35

2 stops27h 55m

£118

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 24 results
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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 13h 10m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 693 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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