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C$100 Cheap Flights from Kos (KGS) to Lisbon (LIS)

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Flight deals from Kos to Lisbon

Looking for a cheap last-minute deal or the best return flight from Kos Airport to Lisbon Airport? If you want to travel next month, return fares start from C$217. Find the lowest prices on one-way and return tickets right here.
Lisbon.C$100 per passenger.Departing Mon., Sep. 21.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Kos on Mon., Sep. 21, arriving in Lisbon.Price includes taxes and charges.From C$100, select.
Lisbon.C$123 per passenger.Departing Thu., Oct. 1.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Kos on Thu., Oct. 1, arriving in Lisbon.Price includes taxes and charges.From C$123, select.
Lisbon.C$189 per passenger.Departing Fri., Feb. 19.One-way flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Kos on Fri., Feb. 19, arriving in Lisbon.Price includes taxes and charges.From C$189, select.
Lisbon.C$197 per passenger.Departing Tue., Dec. 1.One-way flight with SKY express.Outbound indirect flight with SKY express, departs from Kos on Tue., Dec. 1, arriving in Lisbon.Price includes taxes and charges.From C$197, select.
Lisbon.C$223 per passenger.Departing Tue., Jun. 1.One-way flight with SKY express.Outbound indirect flight with SKY express, departs from Kos on Tue., Jun. 1, arriving in Lisbon.Price includes taxes and charges.From C$223, select.
Lisbon.C$240 per passenger.Departing Thu., Aug. 13.One-way flight with TUI.Outbound indirect flight with TUI, departs from Kos on Thu., Aug. 13, arriving in Lisbon.Price includes taxes and charges.From C$240, select.
Lisbon.C$375 per passenger.Departing Sun., Nov. 29.One-way flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Kos on Sun., Nov. 29, arriving in Lisbon.Price includes taxes and charges.From C$375, select.
Lisbon.C$378 per passenger.Departing Wed., May 5.One-way flight with SKY express.Outbound indirect flight with SKY express, departs from Kos on Wed., May 5, arriving in Lisbon.Price includes taxes and charges.From C$378, select.
Lisbon.C$398 per passenger.Departing Sun., Jan. 31.One-way flight with SKY express.Outbound indirect flight with SKY express, departs from Kos on Sun., Jan. 31, arriving in Lisbon.Price includes taxes and charges.From C$398, 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 September.
Aug.
from C$240
Sep.
from C$100
Oct.
from C$123
Nov.
from C$375
Dec.
from C$197
Jan.
from C$398
Feb.
from C$189
Mar.
Find prices
Apr.
Find prices
May
from C$378
Jun.
from C$223
Jul.
Find prices

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.

Lisbon

8km from central Lisbon
ClosestCheapest
from C$100
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Cascais Municipal Aerodrome

19km from central Lisbon
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Kos to Lisbon: Flight information

The things to know before you go.
Cheapest flight foundC$100
Cheapest month to flySeptember

Finding cheap flights from Kos to Lisbon: Frequently asked questions

The best price we found for a return flight from Kos to Lisbon is C$217. 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 C$217.
As of August 2026, there are no flights flying from Kos to Lisbon.
The cheapest month to fly from Kos to Lisbon is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kos Airport to Lisbon Airport on Monday, September 21, 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, Ryanair offers the cheapest flight tickets to Lisbon.

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

  • You'll likely experience longer lines during popular months such as August and other peak seasons. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a wise move.

  • To break up your flight from Kos Airport to Lisbon Portela Airport, consider adding a stopover. Simply deselect 'Direct flights only' to find a destination that interests you. The most popular stopovers on the KGS - LIS route are:

    • Milano Malpensa Airport

    • Luxembourg Airport

    • Eleftherios Venizelos International Airport

  • To see whether you need a visa to enter Portugal, contact your airline and the local consulate or embassy. They'll have the most up-to-date information, including other paperwork you may need after booking your cheap ticket from KGS to LIS.

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 ticket from Kos Airport to Lisbon Portela Airport is C$100. For a return flight on this route, the best price is C$217. Depending on the availability when you book, these fares can change.

  • It's a good idea to book early if you're hoping to get cheap flight tickets from KGS to LIS. That's because flight prices are based on demand, which tends to rise closer to departure.

  • The 'Whole month' tool shows you the cheapest flight tickets from Kos Airport to Lisbon Portela Airport across the entire month. It's the best way to find a bargain if your travel plans aren't set in stone.

  • Log into your online account or use the app to create a Price Alert. We'll let you know right away if there's a cheaper deal on this route. It's easy to do, and it'll save you time searching for cheap flight tickets from KGS to LIS every day.

  • Use filters to tailor your flights from Kos Airport to Lisbon Portela Airport. Simply enter your preferred arrival and departure times, airlines and number of stops. Alternatively, sort your results by 'Cheapest' to get the best deals.

Handy information about Kos Airport (KGS)

  • Kos Airport is around 434 kilometres from the center of Greece. To help work out how to get there, open Google Maps. This handy travel app will give you the best route and public transport alternatives.

  • Catching an early flight from Kos Airport to Lisbon Portela Airport? Avoid rushing to the airport (and sneak in some extra precious sleep) by picking one of these stays close to KGS:

Arriving at Lisbon Portela Airport (LIS)

Getting from Lisbon Portela Airport (LIS) to central Lisbon

  • Lisbon Portela Airport to central Lisbon is about 22 minutes in a car. It's approximately 10 kilometres away. Find out what options are available, such as cabs, car rentals or ride-sharing.

  • Traveling on public transport will take you roughly 59 minutes.

When to fly to Lisbon Portela Airport (LIS)

  • The quietest month for a flight from Kos Airport to Lisbon Portela Airport is February, while June is the busiest. Choose the best time to go to Lisbon based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Before locking in your flight from Kos Airport to Lisbon Portela Airport, consider the kind of weather you enjoy. August is the warmest month in Lisbon, with the temperature ranging from 16ºC to 29ºC.

  • Search for cheap flight tickets from KGS to LIS in January if you like traveling in cooler conditions. Temperatures are at their lowest around then, ranging between 8ºC and 16ºC on average.

More about Lisbon

Complete your Lisbon trip with hotels and a car rental

  • Comparing flights is not the only thing we do. After booking your cheap ticket to Lisbon Portela Airport, explore our great car rental deals that'll give you the flexibility to travel around at your own pace. Then, take a look at our exclusive rates for hotels to find the perfect Lisbon stay.

Plan the rest of your trip from Kos to Lisbon

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.