£101 Cheap Aegean flights from London to Kos (LHR→KGS)

View £101 flight on Sun, 5 Apr 2026Opens in a new window

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Aegean flights from London to Kos (LHR→KGS)

Prices were available within the past 7 days and start at £101 for one-way flights and £202 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aegean
Sat, 16 May - Wed, 20 May
LHR
London
KGS
Kos
£202 Return, found 10 hours ago
£202
Return
found 10 hours ago
Select Aegean flight, departing Sat, 16 May from London to Kos, returning Wed, 20 May, priced at £202 found 10 hours ago

Alternative airports near Kos

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kos Island Intl. KGS. Cheapest and Closest option available. Average driving time to city centre is 25 minutes. Flights from £699
KGS
Kos Island Intl.
CheapestClosest
Average driving time to city centre25 min
Flights from £699

Frequently asked questions

How much is an Aegean Airlines flight from Heathrow Airport (LHR) to Kos Island Intl. Airport (KGS)?
Grab cheap round-trip Aegean Airlines flights from £202 from LHR to KGS by filtering your results from "Price (lowest to highest)" on Expedia. Or look for bargains from £101 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from LHR to KGS with Aegean Airlines?
December is one of the cheapest months to fly to Kos with Aegean Airlines. You could also find great prices on return and one-way tickets in February.
Does Aegean Airlines fly nonstop from Heathrow Airport (LHR) to Kos Island Intl. Airport (KGS)?
Click on our "Nonstop" filter when browsing for direct Aegean Airlines flights from LHR to KGS. It's also an easy way to compare other carriers offering the same nonstop route.
What airports does Aegean Airlines fly into in Kos?
Aegean Airlines flights from Heathrow Airport (LHR) to Kos land at Kos Island Intl. Airport (KGS). This is the main gateway to this city.
What kind of luggage can I take on an Aegean Airlines flight from Heathrow Airport (LHR) to Kos Island Intl. Airport (KGS)?
On a standard economy flight with Aegean Airlines from LHR to KGS, passengers can bring 1 checked-in bag up to 23 kg (50 lbs) with dimensions no larger than 157 centimetres in total. For carry-on, you're permitted 2 cabin bags weighing up to 13 kg (28 lbs) and measuring no more than 56 centimetres x 23 centimetres x 43 centimetres. Weight and size allowances can vary depending on your cabin class and fare type. To make sure you're not hit with additional charges at the terminal, check your Aegean Airlines booking or visit the airline's website before you begin packing.
Can I change or cancel my Aegean Airlines flight from Heathrow Airport (LHR) to Kos Island Intl. Airport (KGS)?
Depending on the ticket type you purchased, a fee typically applies if you cancel or reschedule your booking more than 24 hours after it's been confirmed. To find flexible plane tickets, select our "No cancel fee" or "Changes included" filter while searching for flights. For more details on modifying or cancelling your reservation, go to "Trips," select your flight and tick "Manage Booking."

The Annual Holiday Sale

Members save up to 40% on hotels and holiday homes. Plan this year’s big trip and save.
Book now

Travel information

Origin airport
Heathrow
Destination airport
Kos Island Intl.
Airlines serving
Aegean, Austrian Airlines, Brussels Airlines, Eurowings, Lufthansa, Swiss International Air Lines
Popular airline
Aegean
Distance
2694 km

Explore a world of travel with Expedia

*Available to Expedia members.