CA $246 Cheap Flights from London (LHR) to Kos (KGS)

View CA $246 flight on Tue, Jun 23, 2026Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Kos (KGS-Kos Island Intl.)

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Cheap flights from London (LHR) to Kos (KGS)

Prices were available within the past 7 days and start at CA $246 for one-way flights and CA $452 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Sat, Jun 27 - Tue, Jun 30
LHR
London
KGS
Kos
CA $452 Roundtrip, found 4 days ago
CA $452
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sat, Jun 27 from London to Kos, returning Tue, Jun 30, priced at CA $452 found 4 days ago
Swiss International Air Lines
Sat, Jun 27 - Tue, Jun 30
LHR
London
KGS
Kos
CA $453 Roundtrip, found 4 days ago
CA $453
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Sat, Jun 27 from London to Kos, returning Tue, Jun 30, priced at CA $453 found 4 days ago
Austrian Airlines
Sun, May 17 - Fri, May 22
LHR
London
KGS
Kos
CA $457 Roundtrip, found 2 days ago
CA $457
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Sun, May 17 from London to Kos, returning Fri, May 22, priced at CA $457 found 2 days ago
Lufthansa
Sat, Jun 27 - Tue, Jun 30
LHR
London
KGS
Kos
CA $487 Roundtrip, found 4 days ago
CA $487
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sat, Jun 27 from London to Kos, returning Tue, Jun 30, priced at CA $487 found 4 days ago
Swiss International Air Lines
Sat, May 2 - Sat, May 23
LHR
London
KGS
Kos
CA $488 Roundtrip, found 3 days ago
CA $488
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Sat, May 2 from London to Kos, returning Sat, May 23, priced at CA $488 found 3 days ago
Lufthansa
Sat, Jun 27 - Tue, Jun 30
LHR
London
KGS
Kos
CA $490 Roundtrip, found 4 days ago
CA $490
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sat, Jun 27 from London to Kos, returning Tue, Jun 30, priced at CA $490 found 4 days ago
Aegean
Sat, Jun 27 - Tue, Jun 30
LHR
London
KGS
Kos
CA $494 Roundtrip, found 4 days ago
CA $494
Roundtrip
found 4 days ago
Select Aegean flight, departing Sat, Jun 27 from London to Kos, returning Tue, Jun 30, priced at CA $494 found 4 days ago
Aegean
Sat, Jun 27 - Tue, Jun 30
LHR
London
KGS
Kos
CA $506 Roundtrip, found 4 days ago
CA $506
Roundtrip
found 4 days ago
Select Aegean flight, departing Sat, Jun 27 from London to Kos, returning Tue, Jun 30, priced at CA $506 found 4 days ago
Brussels Airlines
Sat, Jun 27 - Tue, Jun 30
LHR
London
KGS
Kos
CA $506 Roundtrip, found 4 days ago
CA $506
Roundtrip
found 4 days ago
Select Brussels Airlines flight, departing Sat, Jun 27 from London to Kos, returning Tue, Jun 30, priced at CA $506 found 4 days ago
Aegean
Sun, May 17 - Fri, May 22
LHR
London
KGS
Kos
CA $509 Roundtrip, found 2 days ago
CA $509
Roundtrip
found 2 days ago
Select Aegean flight, departing Sun, May 17 from London to Kos, returning Fri, May 22, priced at CA $509 found 2 days ago

Frequently asked questions

How much is a flight from LHR to KGS?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey from LHR to Kos Island Intl. Airport (KGS) was CA $452. Fares this cheap don't last long, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LHR to Kos Island Intl. Airport (KGS)?
The majority of flights can be cancelled online, but whether you are charged a fee varies between airlines. If you do have to cancel your break, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Heathrow Airport to KGS that have flexible change policies?
Plenty of carriers offer the option to move your flight at no extra charge. All you pay is the cost difference between flights. When searching for Heathrow Airport (LHR) to Kos Airport flights, you'll find a "No change fees" box for you to pick.
How many hours is the flight from Heathrow Airport to KGS?
There are plenty of ways to make the 4 hours and 43 minutes between Heathrow Airport and Kos Island Intl. Airport (KGS) go by faster. Be productive and organize your camera roll or clear out all those backed-up emails. A nice snooze also helps pass the time!
How far is the flight from Heathrow Airport to KGS?
Around 2,700 kilometres separates Hounslow and Kos, so pack some in-flight entertainment to help you fill in a couple of hours. That novel you haven't finished will be ideal.
Which airlines fly direct from London Heathrow to Kos Airport?
Operating 0 monthly flights, British Airways (BA) is a top choice when flying directly from Heathrow Airport to Kos Airport.
Are London Heathrow to Kos Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes pick up a bargain, with some super cheap airfares from London Heathrow to KGS emerging a few weeks prior to the departure date. If you'd rather plan ahead of time, Expedia compares and updates all the best flight deals regularly — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines quote prices that far in advance.

Travel information

Origin airport
Heathrow
Destination airport
Kos Island Intl.
Airlines serving
Aegean, Austrian Airlines, Eurowings, Lufthansa, Swiss International Air Lines
Roundtrip price
CA $452
Distance
2694 km

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