Cheap flights from Ireland to Oslo from £42

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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — OSL
24 May — 31 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Oslo

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Oslo
Explore the most affordable flight options available from Ireland to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 April 2026.

Wed 13/510:05
DUB
-
TRF
1 stop8h 50m
Multiple Airlines
Wed 20/520:20
TRF
-
DUB
1 stop11h 40m
Multiple Airlines
Deal found 21/4£82
Wed 20/510:05
DUB
-
TRF
1 stop8h 50m
Multiple Airlines
Thu 21/511:45
TRF
-
DUB
1 stop9h 45m
Multiple Airlines
Deal found 22/4£84
Tue 9/611:30
DUB
-
OSL
1 stop10h 15m
Multiple Airlines
Mon 15/618:45
OSL
-
DUB
1 stop5h 35m
Multiple Airlines
Deal found 21/4£102
Wed 13/509:40
DUB
-
TRF
2 stops20h 45m
Ryanair
Wed 20/514:05
TRF
-
DUB
2 stops18h 45m
Ryanair
Deal found 21/4£104
Thu 4/622:00
DUB
-
OSL
1 stop10h 55m
Ryanair
Thu 11/610:35
OSL
-
DUB
1 stop11h 45m
Ryanair
Deal found 20/4£107
Sat 23/519:35
DUB
-
OSL
1 stop15h 20m
Multiple Airlines
Wed 27/510:35
OSL
-
DUB
1 stop14h 30m
Multiple Airlines
Deal found 20/4£108
Thu 20/818:35
DUB
-
OSL
Nonstop2h 10m
Norwegian
Sun 23/813:35
OSL
-
DUB
Nonstop2h 20m
Norwegian
Deal found 21/4£110
Wed 20/509:40
DUB
-
TRF
2 stops20h 45m
Ryanair
Thu 21/514:25
TRF
-
DUB
2 stops18h 20m
Ryanair
Deal found 22/4£110
Fri 10/707:40
DUB
-
TRF
1 stop4h 45m
Multiple Airlines
Mon 13/711:35
TRF
-
DUB
1 stop6h 30m
Multiple Airlines
Deal found 21/4£115
Thu 13/811:10
DUB
-
OSL
Nonstop2h 10m
Scandinavian Airlines
Sun 16/806:40
OSL
-
DUB
Nonstop2h 20m
Scandinavian Airlines
Deal found 24/4£117
Wed 13/514:15
DUB
-
OSL
2 stops18h 05m
Multiple Airlines
Wed 20/510:35
OSL
-
DUB
1 stop8h 15m
Multiple Airlines
Deal found 21/4£121
Sat 29/822:00
DUB
-
OSL
1 stop10h 00m
Multiple Airlines
Tue 1/911:40
OSL
-
DUB
Nonstop2h 20m
Multiple Airlines
Deal found 21/4£122

Find flight deals from Ireland to Oslo

Keep the following information in mind while searching for Ireland to Oslo flight deals. Data was last updated 24 April 2026.

Round-trip from

£82

One-way from

£42

Popular in

January

Cheapest in

October

Average price

£168
13/5-20/5
  • 13/5-20/5
  • 2 total stops
  • 20h 30m total
  • Ireland to Oslo
19/5
  • 19/5
  • 1 total stop
  • 10h 20m total
  • Ireland to Oslo
Highest demand for flights based on searches. 9% potential increase in price (£12 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in April 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ireland 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 24 April 2026.
Use the filters below to find and compare flights from Ireland to Oslo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

DublinOslo

DUB - OSL

DUBOSL

Dublin

Sat 8/8

20:15-23:25

Nonstop2h 10m

Oslo Gardermoen

Wed 12/8

08:50-10:10

Nonstop2h 20m

£153

DublinOslo

DUB - TRF

DUBTRF

Dublin

Sat 8/8

09:45-13:35

2 stops26h 50m

Oslo Sandefjord

Wed 12/8

20:20-07:00

1 stop11h 40m

£167

DublinOslo

DUB - OSL

DUBOSL

Dublin

Wed 12/8

11:40-22:50

1 stop10h 10m

Oslo Gardermoen

Wed 19/8

08:50-10:10

Nonstop2h 20m

£176

DublinOslo

DUB - OSL

DUBOSL

Dublin

Tue 9/6

12:40-00:20

1 stop10h 40m

Oslo Gardermoen

Wed 10/6

09:10-10:30

Nonstop2h 20m

£185

DublinOslo

DUB - OSL

DUBOSL

Dublin

Fri 8/5

15:20-23:50

1 stop7h 30m

Oslo Gardermoen

Mon 11/5

17:05-09:40

1 stop17h 35m

£195

DublinOslo

DUB - TRF

DUBTRF

Dublin

Tue 9/6

19:05-00:25

1 stop4h 20m

Oslo Sandefjord

Wed 10/6

15:05-18:20

1 stop4h 15m

£212

DublinOslo

DUB - OSL

DUBOSL

Dublin

Tue 9/6

10:30-23:25

1 stop11h 55m

Oslo Gardermoen

Wed 10/6

11:35-17:00

1 stop6h 25m

£231

DublinOslo

DUB - TRF

DUBTRF

Dublin

Tue 19/5

19:05-00:25

1 stop4h 20m

Oslo Sandefjord

Wed 20/5

15:05-18:20

1 stop4h 15m

£235

DublinOslo

DUB - TRF

DUBTRF

Dublin

Mon 3/8

17:05-08:35

1 stop14h 30m

Oslo Sandefjord

Wed 5/8

06:20-18:20

2 stops13h 00m

£285

DublinOslo

DUB - TRF

DUBTRF

Dublin

Sat 29/8

18:00-12:40

2 stops17h 40m

Oslo Sandefjord

Tue 1/9

06:20-17:15

2 stops11h 55m

£285

Flights are sorted by cheapest return flights first.

Deals found on 22/4

Showing 1-10 of 31 resultsSorted by cheapest first
1
2
3
4

Best time to book a flight from Ireland to Oslo

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

How far ahead should I book a flight from Ireland to Oslo?

The price you pay for your flight from Ireland to Oslo may vary depending on when you book. For the best chance of a lower fare, look to book 22 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Ireland to Oslo?

Currently, March is the cheapest month in which you can book a flight from Ireland to Oslo (average of £25). Flying from Ireland to Oslo in January is currently the most expensive (average of £97). 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.

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

Find hourly flight availability from Ireland 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 24 April 2026.

One of the essential ways to save on airfare from Ireland to Oslo is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at midday could potentially save you up to 41% on airfare.

How often are flights from Ireland to Oslo delayed?

About 14% of weekly flights between Ireland and Oslo have experienced delays in the past year, with the average delay time being 103 minutes.

What is the most punctual flight time for Ireland to Oslo flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ireland to Oslo flights?

Over the past year, Scandinavian Airlines have had the lowest number of delays on this route, with just 10% of flights being delayed.

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 24 April 2026.
Get a feel of what it's like to fly with Scandinavian Airlines from Ireland to Oslo by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.4

Comfort

7.3

Boarding

7.6

Food

6.7

Entertainment

6.7

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2026

OSL - CPH

The flight was very short. The seats were very comfortable. No television or entertainment.

Overall

7.4

Comfort

7.3

Boarding

7.6

Food

6.7

Entertainment

6.7

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2026

OSL - CPH

The flight was very short. The seats were very comfortable. No television or entertainment.

Related info for your journey

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

    There are many flights that can get you from Ireland to Oslo in 2h 10m. Fly via Scandinavian Airlines or British Airways to get the fastest option. The distance between Ireland and Oslo is about 801 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most reliable airlines from Ireland to Oslo?

    No one likes to see their flight delayed. When booking a flight from Ireland to Oslo consider choosing Norwegian (71%), Norwegian (70%) or Thai Lion Air (50%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Ireland to Oslo?

    Looking at all options, your cheapest flight can be booked for £66. While the most popular route (Dublin - Oslo Sandefjord) can be booked for £149 on average, our data indicates £188 when flying from Ireland to Oslo.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ireland 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 Ireland to Oslo?

    Currently, March is the cheapest month in which you can book a flight from Ireland to Oslo (average of £25). Flying from Ireland to Oslo in January is currently the most expensive (average of £97). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ireland to Oslo

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Ireland to Oslo

Discover the top airline that operate flights from Ireland 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 24 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£75Average£168FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines 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 Ireland to Oslo?

Deals for Ireland 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 Ireland to Oslo?

Cheapflights simply makes it quick and affordable to book flights from Ireland 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 Ireland to Oslo with no change fees?

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

Can Cheapflights notify me if prices for flights from Ireland 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 Ireland today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.