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Cheap flight tickets from Helsinki Vantaa to Kos

Compare Helsinki Vantaa to Kos flight deals

Find the cheapest month or even day of the year to fly to Kos

Book the best Kos fare with no extra fees

Flight deals from Helsinki Vantaa to Kos

Looking for a cheap last-minute deal or the best return flight from Helsinki Vantaa to Kos? Find the lowest prices on one-way and return tickets right here.
Kos.RM1,071 per passenger.Departing Sat, 16 May, returning Sat, 23 May.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Helsinki Vantaa on Sat, 16 May, arriving in Kos.Inbound indirect flight with Lufthansa, departs from Kos on Sat, 23 May, arriving in Helsinki Vantaa.Price includes taxes and charges.From RM1,071, select.
Kos.RM1,275 per passenger.Departing Wed, 19 Aug, returning Wed, 26 Aug.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Helsinki Vantaa on Wed, 19 Aug, arriving in Kos.Inbound indirect flight with Lufthansa, departs from Kos on Wed, 26 Aug, arriving in Helsinki Vantaa.Price includes taxes and charges.From RM1,275, select.
Kos.RM1,294 per passenger.Departing Tue, 1 Sep, returning Sat, 5 Sep.Return flight with Lufthansa and Discover Airlines.Outbound indirect flight with Lufthansa, departs from Helsinki Vantaa on Tue, 1 Sep, arriving in Kos.Inbound indirect flight with Discover Airlines, departs from Kos on Sat, 5 Sep, arriving in Helsinki Vantaa.Price includes taxes and charges.From RM1,294, select.
Kos.RM1,368 per passenger.Departing Sat, 26 Sep, returning Sat, 3 Oct.Return flight with Brussels Airlines and Lufthansa.Outbound indirect flight with Brussels Airlines, departs from Helsinki Vantaa on Sat, 26 Sep, arriving in Kos.Inbound indirect flight with Lufthansa, departs from Kos on Sat, 3 Oct, arriving in Helsinki Vantaa.Price includes taxes and charges.From RM1,368, select.
Kos.RM1,443 per passenger.Departing Fri, 10 Jul, returning Sat, 18 Jul.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Helsinki Vantaa on Fri, 10 Jul, arriving in Kos.Inbound indirect flight with Lufthansa, departs from Kos on Sat, 18 Jul, arriving in Helsinki Vantaa.Price includes taxes and charges.From RM1,443, select.
Kos.RM1,480 per passenger.Departing Sat, 29 Aug, returning Sat, 5 Sep.Return flight with Brussels Airlines and Lufthansa.Outbound indirect flight with Brussels Airlines, departs from Helsinki Vantaa on Sat, 29 Aug, arriving in Kos.Inbound indirect flight with Lufthansa, departs from Kos on Sat, 5 Sep, arriving in Helsinki Vantaa.Price includes taxes and charges.From RM1,480, select.
Kos.RM1,498 per passenger.Departing Sat, 23 May, returning Mon, 1 Jun.Return flight with Austrian Airlines and Lufthansa.Outbound indirect flight with Austrian Airlines, departs from Helsinki Vantaa on Sat, 23 May, arriving in Kos.Inbound indirect flight with Lufthansa, departs from Kos on Mon, 1 Jun, arriving in Helsinki Vantaa.Price includes taxes and charges.From RM1,498, select.
Kos.RM1,567 per passenger.Departing Sat, 25 Jul, returning Sat, 1 Aug.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Helsinki Vantaa on Sat, 25 Jul, arriving in Kos.Inbound indirect flight with Lufthansa, departs from Kos on Sat, 1 Aug, arriving in Helsinki Vantaa.Price includes taxes and charges.From RM1,567, select.

Find the cheapest month to fly from Helsinki Vantaa to Kos

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Helsinki Vantaa to Kos flights are currently cheapest in May.
Feb
from RM1,948
Mar
from RM1,707
Apr
from RM2,421
May
from RM1,071
Jun
from RM1,572
Jul
from RM1,443
Aug
from RM1,275
Sep
from RM1,294
Oct
from RM1,702
Nov
Find prices
Dec
Find prices
Jan
Find prices

Direct flights from Helsinki Vantaa to Kos

Helsinki to Kos: Flight information

The things to know before you go.
Cheapest flight foundRM1,071
Cheapest month to flyMay
Average flight time3 hrs, 48 mins
Most popular airlineFinnair
Average flights per week3

Finding cheap flights from Helsinki Vantaa to Kos: Frequently asked questions

The best price we found for a return flight from Helsinki Vantaa to Kos is RM1,071. 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 48 minutes is the average flight time from Helsinki Vantaa to Kos.
Finnair and Sunclass Airlines fly direct from Helsinki Vantaa to Kos.
As of February 2026, there are 3 flights per week flying from Helsinki Vantaa to Kos.
The cheapest month to fly from Helsinki Vantaa to Kos is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Helsinki Vantaa Airport to Kos Airport on Saturday, 16 May 2026.
Yes – the average flight time is 3 hours and 48 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.
Currently, Lufthansa and Finnair offer the cheapest flight tickets to Kos.

Travelling from Helsinki-Vantaa Airport (HEL) to Kos Airport (KGS): what you need to know

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Get to the airport on time to board your HEL to KGS flight.

  • Delays at check-in and security are more likely if you're travelling during high season, so allow a little extra breathing room. A good rule for peak periods? Get there up to four hours early for international flights and two hours for domestic departures.

  • We make it a piece of cake to book a flight with a stopover. To see your options for tickets from Helsinki-Vantaa Airport to Kos Airport, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to tour the city of your choice. Some great stopovers between HEL and KGS include:

    • Eleftherios Venizelos International Airport

    • Berlin Brandenburg Airport

    • Hamburg Airport

How to find the cheapest flights from Helsinki-Vantaa Airport (HEL) to Kos Airport (KGS)

  • RM337 is the best price for a one-way Helsinki-Vantaa Airport to Kos Airport flight. Return flights start from RM1,071. These prices can change based on demand.

  • It's a good idea to book as early as possible if you want to get cheap tickets from HEL to KGS. That's because flight prices are based on demand, which tends to increase closer to departure.

  • If you're flexible with your trip dates, try using the 'Whole month' search function. It'll give you the lowest price across each month when searching for a flight from Helsinki-Vantaa Airport to Kos Airport.

  • There's no need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll notify you the moment there's a new deal on cheap flights from HEL to KGS.

  • Choose your preferred departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Helsinki-Vantaa Airport to Kos Airport.

Handy information about Helsinki-Vantaa Airport (HEL)

  • Of the departures from Helsinki-Vantaa Airport, 60.23% arrive as scheduled at their destination.

  • To reach Helsinki-Vantaa Airport from central Helsinki, it'll take around 30 minutes if you're going by car. Of course, this depends on traffic. It's approximately 19 kilometres from the airport to the city centre.

  • Planning to catch public transport? Expect a trip time of around 45 minutes.

  • Have an early flight from Helsinki-Vantaa Airport to Kos Airport? Avoid the last-minute rush to the terminal (and get some extra shut-eye) by picking one of these hotels close to HEL:

Arriving at Kos Airport (KGS)

  • Lock in the best possible rate by booking your vehicle from Kos Airport around three weeks ahead of your trip.

Plan the rest of your trip from Helsinki to Kos

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