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Cheap Flights from Oslo to Kos

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Flight deals from Oslo to Kos Airport

Looking for a cheap last-minute deal or the best return flight from Oslo to Kos Airport? If you want to travel next month, return fares start from Rs50,597. Find the lowest prices on one-way and return tickets right here.
Kos.Rs30,106 per passenger.Departing Tue, 13 Oct.One-way flight with Norwegian.Outbound indirect flight with Norwegian, departs from Oslo Gardermoen on Tue, 13 Oct, arriving in Kos.Price includes taxes and charges.From Rs30,106, select.
Kos.Rs30,148 per passenger.Departing Mon, 29 Jun.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from TORP Sandefjord on Mon, 29 Jun, arriving in Kos.Price includes taxes and charges.From Rs30,148, select.
Kos.Rs35,233 per passenger.Departing Wed, 5 Aug.One-way flight with Norwegian.Outbound indirect flight with Norwegian, departs from Oslo Gardermoen on Wed, 5 Aug, arriving in Kos.Price includes taxes and charges.From Rs35,233, select.
Kos.Rs38,286 per passenger.Departing Tue, 5 May.One-way flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Oslo Gardermoen on Tue, 5 May, arriving in Kos.Price includes taxes and charges.From Rs38,286, select.
Kos.Rs41,358 per passenger.Departing Fri, 31 Jul.One-way flight with Norwegian.Outbound indirect flight with Norwegian, departs from Oslo Gardermoen on Fri, 31 Jul, arriving in Kos.Price includes taxes and charges.From Rs41,358, select.
Kos.Rs48,545 per passenger.Departing Fri, 3 Apr.One-way flight with SWISS.Outbound indirect flight with SWISS, departs from Oslo Gardermoen on Fri, 3 Apr, arriving in Kos.Price includes taxes and charges.From Rs48,545, select.
Kos.Rs51,060 per passenger.Departing Fri, 25 Sep.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from Oslo Gardermoen on Fri, 25 Sep, arriving in Kos.Price includes taxes and charges.From Rs51,060, select.

Find the cheapest month to fly from Oslo to Kos

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Oslo to Kos flights are currently cheapest in October.
Mar
Find prices
Apr
from Rs48,545
May
from Rs38,286
Jun
from Rs30,148
Jul
from Rs41,358
Aug
from Rs35,233
Sep
from Rs51,060
Oct
from Rs30,106
Nov
Find prices
Dec
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Jan
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Feb
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Direct flights from Oslo to Kos

Oslo to Kos: Flight information

The things to know before you go.
Cheapest flight foundRs30,106
Cheapest month to flyOctober
Average flight time3 hrs, 55 mins
Most popular airlineSunclass Airlines
Average flights per week1

Finding cheap flights from Oslo to Kos: Frequently asked questions

The best price we found for a return flight from Oslo to Kos is Rs50,597. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 55 minutes is the average flight time from Oslo to Kos.
Sunclass Airlines flies direct from Oslo to Kos.
As of March 2026, there is one flight per week flying from Oslo to Kos.
The cheapest month to fly from Oslo to Kos is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Oslo to Kos Airport on Friday, 3 April 2026.
Yes – the average flight time is 3 hours and 55 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kos but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kos is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Kos is SWISS .

Travelling from Oslo to Kos Airport (KGS): What you need to know

  • To ensure you get on your flight from Oslo to KGS, leave plenty of time to check in and drop off your luggage. Arriving two hours before international departures and an hour before domestic flights is the general rule.

  • Heading off during a peak time like public or school holidays? Expect longer queues at check-in and security. Give yourself extra leeway and arrive up to four hours before international flights and two hours before domestic departures.

Airports in Oslo

Oslo Airport Gardermoen (OSL)

  • Travelling from central Oslo to OSL takes around 30 minutes by public transport. If you ride-share, drive or take a cab, you'll cover the 48 kilometres in 40 minutes or so, depending on traffic conditions.

  • Want a relaxed start to your holiday? Stay near Oslo Airport Gardermoen. Whether you're catching an early flight from Oslo to Kos Airport or prefer not to feel hurried, these hotels offer the perfect solution:

  • Of all flights leaving Oslo Airport Gardermoen, 71.98% land on schedule at their destination.

Torp Sandefjord Airport (TRF)

  • TRF is around 121 kilometres from central Oslo. It takes 1 hour 30 minutes or so to get to the airport driving from the city centre. Public transport takes roughly 2 hours 20 minutes.

  • Start your holiday early with an extra night away from home. Before catching your Oslo to KGS flight, stay in one of these hotels near Torp Sandefjord Airport:

  • Torp Sandefjord Airport has an on-time performance of 66.77%. This figure sheds light on how frequently flights departing from this airport reach their destination on schedule.

About Kos Airport (KGS)

How to find the cheapest flights from Oslo to Kos Airport (KGS)

  • The cheapest price we've found for a one-way ticket from Oslo to Kos Airport is Rs30,106. For a return flight on this route, the best price is Rs50,597. Depending on when and how early you book, these fares could change.

  • Don't leave things to the last minute. You're more likely to find cheap flights from Oslo to KGS if you book ahead. Airlines often have some excellent early bird discounts.

  • Affordable Oslo to Kos Airport tickets are easier to find when your travel dates are flexible. Use the 'Whole month' tool to compare fares across every month and then choose the cheapest day.

  • Filters make it easier to find a bargain for your flight from Oslo to Kos Airport. Choose the airlines, flight times and number of stops that match your plans. Then sort the results by 'Cheapest' to bring up the lowest fares right away.

Plan the rest of your trip from Oslo to Kos

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.