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Cheap flights from Belfast Intl Airport to Oslo from £114

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/9. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — OSL
22 Jul — 29 Jul1
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 17 July 2025.

Round-trip from

£114

Popular in

June

Cheapest in

May

Average price

£307
easyJet
  • easyJet
  • 14/9-22/9
  • 2 total stops
  • 34h 50m 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. 7% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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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 17 July 2025.

Sun 14/922:10BFS - OSL
1 stop11h 40measyJet
Mon 22/911:30OSL - BFS
1 stop23h 10measyJet
Deal found 16/7£114
Sat 30/821:05BFS - TRF
1 stop11h 25mMultiple Airlines
Sat 6/915:05TRF - BFS
1 stop8h 30mMultiple Airlines
Deal found 16/7£128
Sun 14/922:40BFS - OSL
2 stops18h 00mMultiple Airlines
Mon 22/909:40OSL - BFS
1 stop12h 50mMultiple Airlines
Deal found 16/7£136
Sat 30/806:55BFS - OSL
1 stop4h 55mRyanair
Sat 6/913:15OSL - BFS
1 stop10h 20mRyanair
Deal found 16/7£184

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 17 July 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

Sun 14/9

22:10-10:50

1 stop11h 40m

Oslo Gardermoen

Mon 22/9

11:30-09:40

1 stop23h 10m

£114

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Sat 30/8

21:05-09:30

1 stop11h 25m

Oslo Sandefjord

Sat 6/9

15:05-22:35

1 stop8h 30m

£128

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Sun 14/9

22:40-17:40

2 stops18h 00m

Oslo Gardermoen

Mon 22/9

09:40-21:30

1 stop12h 50m

£136

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Sat 30/8

06:55-12:50

1 stop4h 55m

Oslo Gardermoen

Sat 6/9

13:15-22:35

1 stop10h 20m

£184

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Wed 23/7

11:55-23:25

1 stop10h 30m

£148

BelfastOslo

BFS - OSL

BFSOSL

Belfast Intl

Sun 3/8

23:30-09:15

1 stop8h 45m

£151

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Sun 3/8

23:30-15:10

1 stop14h 40m

£157

BelfastOslo

BFS - TRF

BFSTRF

Belfast Intl

Thu 24/7

08:50-07:25

1 stop21h 35m

£224

Flights are sorted by cheapest return flights first.

Deals found on 17/7

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.

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 17 July 2025.
Read through reviews of airlines operating flights from Belfast Intl Airport to Oslo, such as easyJet and Ryanair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
easyJet
6.9
Okay
1,819 reviews
Check prices

Overall

6.9

Comfort

6.7

Food

5.9

Entertainment

5.5

Crew

7.6

Boarding

6.7

Reviews

1 / 20
6.0
Good

Kathleen P,Jun 2025

LGW - GLA

Had to pay £48 because my personal item was 1cm too big! Not happy! First & last time to fly Easy Jet. This small back pack has been used on many domestic & international flights without a problem. I could have easily put it in my luggage as my bag was 5kg under weight. Instead, I was charged £48 even though it didn’t add any extra weight to the flight and it could easily fit under the seat. Hint: Check the “personal item” size carefully!
easyJet
6.9
Okay
1,819 reviews
easyJet
6.9
Okay
1,819 reviews
Check prices

Overall

6.9

Comfort

6.7

Food

5.9

Entertainment

5.5

Crew

7.6

Boarding

6.7

Reviews

1 / 20
6.0
Good

Kathleen P,Jun 2025

LGW - GLA

Had to pay £48 because my personal item was 1cm too big! Not happy! First & last time to fly Easy Jet. This small back pack has been used on many domestic & international flights without a problem. I could have easily put it in my luggage as my bag was 5kg under weight. Instead, I was charged £48 even though it didn’t add any extra weight to the flight and it could easily fit under the seat. Hint: Check the “personal item” size carefully!
Ryanair
6.1
Okay
easyJet
6.9
Okay
1,819 reviews
Check prices

Overall

6.9

Comfort

6.7

Food

5.9

Entertainment

5.5

Crew

7.6

Boarding

6.7

Reviews

1 / 20
6.0
Good

Kathleen P,Jun 2025

LGW - GLA

Had to pay £48 because my personal item was 1cm too big! Not happy! First & last time to fly Easy Jet. This small back pack has been used on many domestic & international flights without a problem. I could have easily put it in my luggage as my bag was 5kg under weight. Instead, I was charged £48 even though it didn’t add any extra weight to the flight and it could easily fit under the seat. Hint: Check the “personal item” size carefully!

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.

  • What are the cheapest airlines flying from Belfast Intl Airport to Oslo round-trip?

    Flying on easyJet is currently your cheapest option to Oslo, with prices starting at £114. Another option worth looking into is Ryanair, starting at £184 return. These flights start at 42% lower than the current average price 3 months from now.

  • 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 Intl to Bergen flights
Belfast City to Bergen flights

Top airline flying from Belfast Intl to Oslo

Discover the top airline that operate flights from Belfast Intl 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 17 July 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£152Average£187FlexibilityNo 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 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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