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Cheap Flights from Helsinki Vantaa to Kos

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      Travellers and bags, 1 Adult, Economy
      Finnair

      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 Airport to Kos Airport? If you want to travel next month, return fares start from Rs57,676. Find the lowest prices on one-way and return tickets right here.
      Kos.Rs21,789 per passenger.Departing Wed, 21 Oct.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Helsinki Vantaa on Wed, 21 Oct, arriving in Kos.Price includes taxes and charges.From Rs21,789, select.
      Kos.Rs23,070 per passenger.Departing Wed, 23 Sep.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Helsinki Vantaa on Wed, 23 Sep, arriving in Kos.Price includes taxes and charges.From Rs23,070, select.
      Kos.Rs38,130 per passenger.Departing Tue, 18 Aug.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Helsinki Vantaa on Tue, 18 Aug, arriving in Kos.Price includes taxes and charges.From Rs38,130, select.
      Kos.Rs41,334 per passenger.Departing Tue, 17 Nov.One-way flight with KLM.Outbound indirect flight with KLM, departs from Helsinki Vantaa on Tue, 17 Nov, arriving in Kos.Price includes taxes and charges.From Rs41,334, select.
      Kos.Rs45,654 per passenger.Departing Fri, 23 Oct.One-way flight with Finnair.Outbound direct flight with Finnair departs from Helsinki Vantaa on Fri, 23 Oct, arriving in Kos.Price includes taxes and charges.From Rs45,654, select.
      Kos.Rs51,908 per passenger.Departing Sat, 8 May.One-way flight with KLM.Outbound indirect flight with KLM, departs from Helsinki Vantaa on Sat, 8 May, arriving in Kos.Price includes taxes and charges.From Rs51,908, select.
      Kos.Rs54,305 per passenger.Departing Fri, 21 May.One-way flight with Finnair.Outbound direct flight with Finnair departs from Helsinki Vantaa on Fri, 21 May, arriving in Kos.Price includes taxes and charges.From Rs54,305, select.
      Kos.Rs63,277 per passenger.Departing Fri, 28 Aug.One-way flight with Finnair.Outbound direct flight with Finnair departs from Helsinki Vantaa on Fri, 28 Aug, arriving in Kos.Price includes taxes and charges.From Rs63,277, select.
      Kos.Rs71,928 per passenger.Departing Sat, 12 Sep.One-way flight with Finnair.Outbound direct flight with Finnair departs from Helsinki Vantaa on Sat, 12 Sep, arriving in Kos.Price includes taxes and charges.From Rs71,928, select.
      Kos.Rs72,973 per passenger.Departing Fri, 1 Jan.One-way flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Helsinki Vantaa on Fri, 1 Jan, arriving in Kos.Price includes taxes and charges.From Rs72,973, 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 October.
      Aug
      from Rs38,130
      Sep
      from Rs23,070
      Oct
      from Rs21,789
      Nov
      from Rs41,334
      Dec
      Find prices
      Jan
      from Rs72,973
      Feb
      Find prices
      Mar
      Find prices
      Apr
      Find prices
      May
      from Rs51,908
      Jun
      Find prices
      Jul
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      Direct flights from Helsinki Vantaa to Kos

      Finnair

      Helsinki to Kos: Flight information

      The things to know before you go.
      Cheapest flight foundRs21,789
      Cheapest month to flyOctober
      Average flight time3 hrs, 50 mins
      Most popular airlineFinnair
      Average flights per week2

      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 Rs57,676. 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 50 minutes is the average flight time from Helsinki Vantaa to Kos.
      Finnair flies direct from Helsinki Vantaa to Kos.
      As of August 2026, there are 2 flights per week flying from Helsinki Vantaa to Kos.
      The cheapest month to fly from Helsinki Vantaa to Kos is usually September.
      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, 19 September 2026.
      Yes – the average flight time is 3 hours and 50 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, Ryanair 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)

      • Rs21,789 is the best price for a one-way Helsinki-Vantaa Airport to Kos Airport flight. Return flights start from Rs57,676. 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 12 days.