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Cheap flights from Belfast to Oslo from £56

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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — OSL
25 Dec — 1 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Belfast to Oslo

Enter your travel dates to find the best prices.

Best flights from Belfast to Oslo
Discover carefully curated flight deals from Belfast to Oslo that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 November 2025.

Thu 8/108:15BFS - OSL
1 stop7h 05mMultiple Airlines
Thu 15/116:55OSL - BFS
2 stops24h 50mMultiple Airlines
Deal found 22/11£96
Tue 6/105:45BFS - OSL
1 stop15h 20mRyanair
Tue 13/122:40OSL - BFS
1 stop21h 10mRyanair
Deal found 22/11£112
Thu 8/106:35BHD - OSL
1 stop15h 05mBritish Airways
Thu 15/107:05OSL - BHD
1 stop8h 10mBritish Airways
Deal found 22/11£170
Mon 12/117:20BHD - OSL
1 stop21h 55mKLM
Fri 16/112:40OSL - BHD
1 stop5h 10mKLM
Deal found 21/11£226
Tue 6/105:45BFS - OSL
1 stop15h 20mMultiple Airlines
Tue 13/122:40OSL - BFS
1 stop11h 30mMultiple Airlines
Deal found 22/11£118
Thu 8/121:05BFS - TRF
1 stop14h 35mMultiple Airlines
Thu 15/110:30TRF - BFS
1 stop6h 40mMultiple Airlines
Deal found 22/11£120
Thu 8/120:00BHD - TRF
2 stops17h 45mMultiple Airlines
Thu 15/110:30TRF - BHD
1 stop6h 35mMultiple Airlines
Deal found 22/11£135
Thu 8/120:00BHD - OSL
2 stops19h 00mMultiple Airlines
Thu 15/116:55OSL - BHD
2 stops23h 30mMultiple Airlines
Deal found 22/11£139
Mon 12/108:20BHD - OSL
2 stops13h 20mBritish Airways
Fri 16/107:10OSL - BHD
1 stop10h 30mBritish Airways
Deal found 21/11£308
Mon 12/117:20BHD - TRF
2 stops23h 40mKLM
Fri 16/109:00TRF - BHD
2 stops8h 50mKLM
Deal found 21/11£463
Mon 12/117:20BHD - TRF
2 stops23h 40mKLM
Thu 15/109:00TRF - BHD
2 stops32h 50mKLM
Deal found 21/11£538

Cheap flight deals from Belfast to Oslo

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) 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 25 November 2025.

Round-trip from

£112

One-way from

£56

Popular in

June

Cheapest in

May

Average price

£114
8/1-15/1
  • 8/1-15/1
  • 3 total stops
  • 28h 10m total
  • Belfast to Oslo
Search Deals
Ryanair
  • Ryanair
  • 7/2
  • 1 total stop
  • 7h 10m total
  • Belfast to Oslo
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£38 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast 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 25 November 2025.
Use the filters below to find and compare flights from Belfast to Oslo that are best for you.

Fly from

Belfast

Fly to

Oslo

Route

Depart

Return

Price

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Thu 8/1

08:15-16:20

1 stop7h 05m

Oslo Gardermoen

Thu 15/1

16:55-16:45

2 stops24h 50m

£96

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Tue 6/1

05:45-22:05

1 stop15h 20m

Oslo Gardermoen

Tue 13/1

22:40-18:50

1 stop21h 10m

£112

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Tue 6/1

05:45-22:05

1 stop15h 20m

Oslo Gardermoen

Tue 13/1

22:40-09:10

1 stop11h 30m

£118

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Thu 8/1

21:05-12:40

1 stop14h 35m

Oslo Sandefjord

Thu 15/1

10:30-16:10

1 stop6h 40m

£120

BelfastOslo

BHD - TRF

BHDTRF

Belfast City

Thu 8/1

20:00-14:45

2 stops17h 45m

Oslo Sandefjord

Thu 15/1

10:30-16:05

1 stop6h 35m

£135

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Thu 8/1

20:00-16:00

2 stops19h 00m

Oslo Gardermoen

Thu 15/1

16:55-15:25

2 stops23h 30m

£139

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Thu 8/1

06:35-22:40

1 stop15h 05m

Oslo Gardermoen

Thu 15/1

07:05-14:15

1 stop8h 10m

£170

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Mon 12/1

17:20-16:15

1 stop21h 55m

Oslo Gardermoen

Fri 16/1

12:40-16:50

1 stop5h 10m

£226

BelfastOslo

BHD - OSL

BHDOSL

Belfast City

Mon 12/1

08:20-22:40

2 stops13h 20m

Oslo Gardermoen

Fri 16/1

07:10-16:40

1 stop10h 30m

£308

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

£463

Flights are sorted by cheapest return flights first.

Deals found on 24/11

Showing 1-10 of 33 results
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Best time to book a flight from Belfast to Oslo

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

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

Find hourly flight availability from Belfast 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 25 November 2025.

When flying from Belfast to Oslo, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 18% versus a flight in the evening.

Reviews of airlines servicing Oslo

Get insights into the airlines that provide service to Oslo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oslo. Reviews last updated 25 November 2025.
Check out reviews from past customers who have flown with KLM from Belfast to Oslo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,420 reviews
Check prices

Food

7.3

Entertainment

7.1

Overall

7.7

Comfort

7.6

Crew

8.4

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,420 reviews
KLM
7.7
Good
1,420 reviews
Check prices

Food

7.3

Entertainment

7.1

Overall

7.7

Comfort

7.6

Crew

8.4

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Belfast 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 to Oslo?

    For as low as £170, Ryanair can have you in Oslo from Belfast in 15h 05m. Airlines will cover a distance of 736 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from Belfast to Oslo round-trip?

    Flying on KLM is currently your cheapest option to Oslo, with prices starting at £156. KLM is currently priced 24% below the average price you’ll pay for this route.

  • What are the most popular routes from Belfast to Oslo?

    While some choose either Belfast City - Oslo Gardermoen or Belfast Intl - Oslo Sandefjord, Belfast Intl - Oslo Gardermoen is the most popular route from Belfast to Oslo.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast 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

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Alternative routes for Belfast 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

Top airline flying from Belfast to Oslo

Discover the top airline that operate flights from Belfast to Oslo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 25 November 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£156Average£245FlexibilityNo cancel feeOn-time75%
Search KLM 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 to Oslo?

When you search for this flight from Belfast to Oslo, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Oslo from Belfast.

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

Yes! Cheapflights helps users easily find flights from Belfast to Oslo with no change fees.

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

Yes! Start tracking prices for Belfast to Oslo flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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