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233 € Cheap Flights from Kos to Lisbon

Compare Kos to Lisbon flight deals

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Flight deals from Kos to Lisbon

Looking for a cheap last-minute deal or the best return flight from Kos to Lisbon? Find the lowest prices on one-way and return tickets right here.
Lisbon.233 € per passenger.Departing Wed, 4 Feb, returning Mon, 9 Feb.Return flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Kos on Wed, 4 Feb, arriving in Lisbon.Inbound indirect flight with Aegean Airlines, departs from Lisbon on Mon, 9 Feb, arriving in Kos.Price includes taxes and charges.From 233 €, select.
Lisbon.240 € per passenger.Departing Fri, 12 Dec, returning Sun, 14 Dec.Return flight with Aegean Airlines and easyJet.Outbound indirect flight with Aegean Airlines, departs from Kos on Fri, 12 Dec, arriving in Lisbon.Inbound indirect flight with easyJet, departs from Lisbon on Sun, 14 Dec, arriving in Kos.Price includes taxes and charges.From 240 €, select.
Lisbon.246 € per passenger.Departing Fri, 10 Oct, returning Sun, 12 Oct.Return flight with Ryanair and TAP Air Portugal.Outbound indirect flight with Ryanair, departs from Kos on Fri, 10 Oct, arriving in Lisbon.Inbound indirect flight with TAP Air Portugal, departs from Lisbon on Sun, 12 Oct, arriving in Kos.Price includes taxes and charges.From 246 €, select.
Lisbon.252 € per passenger.Departing Sun, 30 Nov, returning Sun, 7 Dec.Return flight with SKY express.Outbound indirect flight with SKY express, departs from Kos on Sun, 30 Nov, arriving in Lisbon.Inbound indirect flight with SKY express, departs from Lisbon on Sun, 7 Dec, arriving in Kos.Price includes taxes and charges.From 252 €, select.
Lisbon.259 € per passenger.Departing Fri, 7 Nov, returning Sun, 9 Nov.Return flight with SKY express.Outbound indirect flight with SKY express, departs from Kos on Fri, 7 Nov, arriving in Lisbon.Inbound indirect flight with SKY express, departs from Lisbon on Sun, 9 Nov, arriving in Kos.Price includes taxes and charges.From 259 €, select.
Lisbon.281 € per passenger.Departing Tue, 16 Jun, returning Tue, 23 Jun.Return flight with SWISS.Outbound indirect flight with SWISS, departs from Kos on Tue, 16 Jun, arriving in Lisbon.Inbound indirect flight with SWISS, departs from Lisbon on Tue, 23 Jun, arriving in Kos.Price includes taxes and charges.From 281 €, select.
Lisbon.284 € per passenger.Departing Thu, 29 Jan, returning Tue, 3 Feb.Return flight with Aegean Airlines and Ryanair.Outbound indirect flight with Aegean Airlines, departs from Kos on Thu, 29 Jan, arriving in Lisbon.Inbound indirect flight with Ryanair, departs from Lisbon on Tue, 3 Feb, arriving in Kos.Price includes taxes and charges.From 284 €, select.
Lisbon.307 € per passenger.Departing Wed, 8 Apr, returning Wed, 15 Apr.Return flight with Aegean Airlines and Iberia.Outbound indirect flight with Aegean Airlines, departs from Kos on Wed, 8 Apr, arriving in Lisbon.Inbound indirect flight with Iberia, departs from Lisbon on Wed, 15 Apr, arriving in Kos.Price includes taxes and charges.From 307 €, select.

Find the cheapest month to fly from Kos to Lisbon

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kos to Lisbon flights are currently cheapest in February.
Sep
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Oct
from 246 €
Nov
from 259 €
Dec
from 240 €
Jan
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Feb
from 233 €
Mar
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Apr
from 307 €
May
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Jun
from 281 €
Jul
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Aug
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Kos to Lisbon: Alternative routes

Compare routes from Kos to Lisbon below. You may find an airport to fly into that's cheaper, faster, or easier than Lisbon.

Kos to Lisbon: Flight information

The things to know before you go.
Cheapest flight found233 €
Cheapest month to flyFebruary

Finding cheap flights from Kos to Lisbon: Frequently asked questions

The best price we found for a return flight from Kos to Lisbon is 233 €. 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.
Currently, there are no airlines that fly direct from Kos to Lisbon. But we found flights with one or more stops from 233 €.
As of September 2025, there are no flights flying from Kos to Lisbon.
The cheapest month to fly from Kos to Lisbon is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kos Airport to Lisbon Airport on Wednesday, 4 February 2026.
No airlines currently offer direct flights between Kos Airport and Lisbon Airport. Most routes have one or more stops.
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 Lisbon 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 Lisbon is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Aegean Airlines offers the cheapest flight tickets to Lisbon.

Travelling from Kos Airport (KGS) to Lisbon Portela Airport (LIS): what you need to know

  • Your KGS to LIS flight won't wait if you're late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • During popular months such as August, it's best to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're flying during peak periods in general.

  • We make it a cinch to book a flight with a stopover. To see your options for tickets from Kos Airport to Lisbon Portela Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to visit the city of your choice. Worthwhile stopovers between KGS and LIS include:

    • Eleftherios Venizelos International Airport

    • Luxembourg Airport

    • Milano Malpensa Airport

How to find the cheapest flights from Kos Airport (KGS) to Lisbon Portela Airport (LIS)

  • The lowest price we've seen for a one-way Kos Airport to Lisbon Portela Airport flight is 113 €. A return ticket right now is 233 €. Depending on the availability when you book, these fares could change.

  • To find cheap tickets from KGS to LIS, book early. Airlines tend to offer lower prices when flights are first made available.

  • If you can be flexible with your trip dates, use the 'Whole month' search tool. It'll find the lowest price across the month when searching for your flight from Kos Airport to Lisbon Portela Airport.

  • Save time searching for cheap flights from KGS to LIS by setting up a Price Alert. You'll receive an email or notification on the app when a lower fare pops up.

  • Pick your preferred arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Kos Airport to Lisbon Portela Airport.

Handy information about Kos Airport (KGS)

  • Kos Airport maintains a solid on-time performance, making delays less likely. Departures from KGS make it to their destination as scheduled 89.58% of the time.

Arriving at Lisbon Portela Airport (LIS)

Getting from Lisbon Portela Airport (LIS) to central Lisbon

  • Lisbon Portela Airport is roughly 10 kilometres from central Lisbon. The drive time takes around 20 minutes.

  • If you're taking public transport, expect a journey of about 1 hour.

When to fly to Lisbon Portela Airport (LIS)

  • June is the most popular month for flights from Kos Airport to Lisbon Portela Airport. To avoid the crowds, travel to Lisbon in January.

  • Before locking in your flight from Kos Airport to Lisbon Portela Airport, consider the kind of weather you like. August is the warmest month in Lisbon, with temperatures ranging from 16ºC (61ºF) to 29ºC (84ºF).

  • January sees average temperatures of between 8ºC (46ºF) and 16ºC (61ºF). Search for cheap tickets from KGS to LIS sometime around then if you'd rather travel in cooler conditions.

Explore more of Portugal

  • Porto is just one of the many cities in Portugal waiting to be explored once you've seen the sights of Lisbon. Around 274 kilometres away to the north, its top attractions include Livraria Lello, Ribeira District and The Douro River.

  • Amadora is another essential stop in Portugal and is around 8 kilometres north-west of Lisbon. No trip is complete without a visit to Jardim Porta do Viveiro Alfragide, Jardim Caracol do Victor Alfragide and Jardim e estatua Eduardo Jorge.

Plan the rest of your trip from Kos to Lisbon

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