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Cheap flights from Belfast Intl Airport to Oslo from £90

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — OSL
3 Sep — 10 Sep1
1 adult

Cheap 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 29 August 2025.

Round-trip from

£90

Popular in

June

Cheapest in

May

Average price

£167
Ryanair
  • Ryanair
  • 3/11-13/11
  • 2 total stops
  • 19h 50m 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. 8% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Belfast Intl to Oslo

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 29 August 2025.

Mon 3/1122:20BFS - TRF
1 stop13h 10mRyanair
Thu 13/1110:30TRF - BFS
1 stop6h 40mRyanair
Deal found 28/8£90
Mon 17/1119:20BFS - TRF
1 stop14h 20mRyanair
Thu 20/1119:40TRF - BFS
1 stop12h 45mRyanair
Deal found 28/8£101
Tue 14/1007:45BFS - TRF
1 stop9h 10mMultiple Airlines
Thu 23/1017:05TRF - BFS
1 stop5h 55mMultiple Airlines
Deal found 28/8£102
Mon 3/1109:40BFS - OSL
1 stop13h 25mMultiple Airlines
Thu 13/1107:00OSL - BFS
1 stop12h 00mMultiple Airlines
Deal found 28/8£104
Tue 14/1006:45BFS - OSL
1 stop16h 10mMultiple Airlines
Thu 23/1007:10OSL - BFS
1 stop17h 00mMultiple Airlines
Deal found 28/8£105
Tue 14/1007:45BFS - TRF
1 stop9h 10mMultiple Airlines
Fri 24/1010:45TRF - BFS
1 stop8h 30mMultiple Airlines
Deal found 28/8£105
Wed 10/921:50BFS - TRF
1 stop10h 45mMultiple Airlines
Fri 12/909:20TRF - BFS
1 stop8h 20mMultiple Airlines
Deal found 27/8£108
Mon 3/1109:00BFS - TRF
2 stops23h 05mMultiple Airlines
Thu 13/1110:30TRF - BFS
1 stop6h 40mMultiple Airlines
Deal found 28/8£112
Mon 17/1118:50BFS - TRF
2 stops18h 15mMultiple Airlines
Thu 20/1119:40TRF - BFS
1 stop12h 45mMultiple Airlines
Deal found 28/8£114
Mon 8/1207:50BFS - TRF
1 stop4h 40mRyanair
Thu 18/1210:30TRF - BFS
1 stop6h 40mRyanair
Deal found 28/8£117
Mon 6/1010:55BFS - TRF
1 stop20h 15mMultiple Airlines
Thu 9/1010:00TRF - BFS
1 stop6h 30mMultiple Airlines
Deal found 28/8£124
Sat 11/1019:35BFS - OSL
1 stop13h 30mRyanair
Sat 18/1013:15OSL - BFS
1 stop10h 20mRyanair
Deal found 27/8£127

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 29 August 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 3/11

22:20-12:30

1 stop13h 10m

Oslo Sandefjord

Thu 13/11

10:30-16:10

1 stop6h 40m

£90

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Tue 25/11

05:45-12:30

1 stop5h 45m

Oslo Sandefjord

Thu 4/12

19:40-07:25

1 stop12h 45m

£101

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Mon 17/11

19:20-10:40

1 stop14h 20m

Oslo Sandefjord

Thu 20/11

19:40-07:25

1 stop12h 45m

£101

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Tue 14/10

07:45-17:55

1 stop9h 10m

Oslo Sandefjord

Thu 23/10

17:05-22:00

1 stop5h 55m

£102

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Mon 3/11

09:40-00:05

1 stop13h 25m

Oslo Gardermoen

Thu 13/11

07:00-18:00

1 stop12h 00m

£104

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Tue 14/10

07:45-17:55

1 stop9h 10m

Oslo Sandefjord

Fri 24/10

10:45-18:15

1 stop8h 30m

£105

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Tue 14/10

06:45-23:55

1 stop16h 10m

Oslo Gardermoen

Thu 23/10

07:10-23:10

1 stop17h 00m

£105

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Tue 20/1

05:45-12:30

1 stop5h 45m

Oslo Sandefjord

Thu 29/1

10:30-16:10

1 stop6h 40m

£107

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Wed 10/9

21:50-09:35

1 stop10h 45m

Oslo Sandefjord

Fri 12/9

09:20-16:40

1 stop8h 20m

£108

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Mon 3/11

09:00-09:05

2 stops23h 05m

Oslo Sandefjord

Thu 13/11

10:30-16:10

1 stop6h 40m

£112

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 20 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

What is the cheapest month to book a flight from Belfast Intl Airport to Oslo?

Currently, May is the cheapest month in which you can book a flight from Belfast Intl Airport to Oslo (average of £103). Flying from Belfast Intl Airport to Oslo in July is currently the most expensive (average of £187). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.

  • What is the cheapest month to book a flight from Belfast Intl Airport to Oslo?

    Currently, May is the cheapest month in which you can book a flight from Belfast Intl Airport to Oslo (average of £103). Flying from Belfast Intl Airport to Oslo in July is currently the most expensive (average of £187). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 City to Bergen flights
Belfast Intl 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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