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C$135 Cheap Flights from Lisbon (LIS) to Kos (KGS)

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Flight deals from Lisbon Airport to Kos Airport

Looking for a cheap last-minute deal or the best return flight from Lisbon Airport to Kos Airport? If you want to travel next month, return fares start from C$273. Find the lowest prices on one-way and return tickets right here.
Kos.C$135 per passenger.Departing Wed., Oct. 14.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Lisbon on Wed., Oct. 14, arriving in Kos.Price includes taxes and charges.From C$135, select.
Kos.C$158 per passenger.Departing Sat., Jun. 6.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Lisbon on Sat., Jun. 6, arriving in Kos.Price includes taxes and charges.From C$158, select.
Kos.C$197 per passenger.Departing Sat., Apr. 25.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Lisbon on Sat., Apr. 25, arriving in Kos.Price includes taxes and charges.From C$197, select.
Kos.C$215 per passenger.Departing Tue., Aug. 11.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Lisbon on Tue., Aug. 11, arriving in Kos.Price includes taxes and charges.From C$215, select.
Kos.C$218 per passenger.Departing Fri., Sep. 4.One-way flight with SKY express.Outbound indirect flight with SKY express, departs from Lisbon on Fri., Sep. 4, arriving in Kos.Price includes taxes and charges.From C$218, select.
Kos.C$248 per passenger.Departing Fri., Jul. 10.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from Lisbon on Fri., Jul. 10, arriving in Kos.Price includes taxes and charges.From C$248, select.
Kos.C$308 per passenger.Departing Fri., May 1.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Lisbon on Fri., May 1, arriving in Kos.Price includes taxes and charges.From C$308, select.
Kos.C$317 per passenger.Departing Wed., Dec. 30.One-way flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Lisbon on Wed., Dec. 30, arriving in Kos.Price includes taxes and charges.From C$317, select.
Kos.C$494 per passenger.Departing Mon., Mar. 30.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Lisbon on Mon., Mar. 30, arriving in Kos.Price includes taxes and charges.From C$494, select.

Find the cheapest month to fly from Lisbon to Kos

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Lisbon to Kos flights are currently cheapest in October.
Mar.
from C$494
Apr.
from C$197
May
from C$308
Jun.
from C$158
Jul.
from C$248
Aug.
from C$215
Sep.
from C$218
Oct.
from C$135
Nov.
Find prices
Dec.
from C$317
Jan.
Find prices
Feb.
Find prices

Lisbon to Kos: Flight information

The things to know before you go.
Cheapest flight foundC$135
Cheapest month to flyOctober

Finding cheap flights from Lisbon to Kos: Frequently asked questions

The best price we found for a return flight from Lisbon to Kos is C$273. 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 Lisbon to Kos. But we found flights with one or more stops from C$273.
As of March 2026, there are no flights flying from Lisbon to Kos.
The cheapest month to fly from Lisbon to Kos is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Lisbon Airport to Kos Airport on Tuesday, April 14, 2026.
No airlines currently offer direct flights between Lisbon Airport and Kos 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 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 offers the cheapest flight tickets to Kos.

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

  • Traveling during a peak period like school or public holidays? Expect longer lines at check-in and security. To give yourself peace of mind, arrive up to four hours before international flights and two hours before domestic departures.

  • If you'd like a stopover for your flight from Lisbon Portela Airport to Kos Airport, simply deselect 'Direct flights only' and explore your options. These are the most popular stopovers between LIS and KGS:

    • Milano Malpensa Airport

    • Eleftherios Venizelos International Airport

    • Pisa International Airport

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

  • C$135 is currently the best price for a one-way ticket from Lisbon Portela Airport to Kos Airport. A return flight starts from C$273. These prices can change depending on demand.

  • Don't leave things to the last moment. You're more likely to find cheap flight tickets from LIS to KGS if you book in advance. Airlines often offer some great early bird discounts.

  • If you can be flexible with your trip dates, use the 'Whole month' search function. It'll show you the lowest price in every month when searching for your ticket from Lisbon Portela Airport to Kos Airport.

  • Set up a Price Alert for cheap flight tickets from LIS to KGS. There's no need to check back in every day to find out if airfares have fallen. We'll tell you the moment there's a change in price.

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

Handy information about Lisbon Portela Airport (LIS)

Arriving at Kos Airport (KGS)

  • If you're on a late flight from Lisbon Portela Airport to Kos Airport, few things beat the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and resting not long after at one of these hotels near KGS:

Getting from Kos Airport (KGS) to central Greece

  • Central Greece is about 434 kilometres from Kos Airport. Journey times by cab or car rental will vary depending on time of day and traffic conditions, so do a little research before you go.

When to fly to Kos Airport (KGS)

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

  • Book your flight from Lisbon Portela Airport to Kos Airport for July if you want to visit Greece during its warmest month. You can expect temperatures of between 22ºC and 33ºC.

  • January has average temperatures of between 2ºC and 13ºC. Search for cheap flight tickets from LIS to KGS sometime around then if you'd rather travel in cooler conditions.

More about Greece

  • Start your Greece trip right by finding an amazing stay. As soon as you've booked your flight from LIS to KGS, browse our hotel options including:

  • Agios Panteleimonas and Κύμα - Kyma - The wave are just a couple of the leading attractions to add to your Greece itinerary. Continue your sightseeing adventures at Τρείς μώλοι / Three piers beach.

Plan the rest of your trip from Lisbon to Kos

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