$39 Cheap Flights from Glasgow (GLA) to Kos (KGS)

View $39 flight on Tue, Oct 28, 2025Opens in a new window

Popular airlines from Glasgow International Airport (GLA) to Kos (KGS-Kos Island Intl.)

Cheap Flights from Glasgow to Kos (GLA-KGS)

Prices were available within the past 7 days and start at $39 for one-way flights and $407 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Sat, Jul 4 - Sat, Jul 11
GLA
Glasgow
KGS
Kos
$407 Roundtrip, found 4 days ago
$407
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sat, Jul 4 from Glasgow to Kos, returning Sat, Jul 11, priced at $407 found 4 days ago
Lufthansa
Sat, Jul 4 - Sat, Jul 11
GLA
Glasgow
KGS
Kos
$475 Roundtrip, found 4 days ago
$475
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sat, Jul 4 from Glasgow to Kos, returning Sat, Jul 11, priced at $475 found 4 days ago
Lufthansa
Sat, Jul 4 - Sat, Jul 11
GLA
Glasgow
KGS
Kos
$480 Roundtrip, found 4 days ago
$480
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sat, Jul 4 from Glasgow to Kos, returning Sat, Jul 11, priced at $480 found 4 days ago
Lufthansa
Sat, Jul 4 - Sat, Jul 11
GLA
Glasgow
KGS
Kos
$482 Roundtrip, found 4 days ago
$482
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sat, Jul 4 from Glasgow to Kos, returning Sat, Jul 11, priced at $482 found 4 days ago
Lufthansa
Sat, Jul 4 - Sat, Jul 11
GLA
Glasgow
KGS
Kos
$522 Roundtrip, found 4 days ago
$522
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sat, Jul 4 from Glasgow to Kos, returning Sat, Jul 11, priced at $522 found 4 days ago
Lufthansa
Sat, Jul 4 - Sat, Jul 11
GLA
Glasgow
KGS
Kos
$549 Roundtrip, found 4 days ago
$549
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sat, Jul 4 from Glasgow to Kos, returning Sat, Jul 11, priced at $549 found 4 days ago
Lufthansa
Sat, Jul 4 - Sat, Jul 11
GLA
Glasgow
KGS
Kos
$550 Roundtrip, found 4 days ago
$550
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sat, Jul 4 from Glasgow to Kos, returning Sat, Jul 11, priced at $550 found 4 days ago
Lufthansa
Sat, Jul 4 - Sat, Jul 11
GLA
Glasgow
KGS
Kos
$584 Roundtrip, found 4 days ago
$584
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sat, Jul 4 from Glasgow to Kos, returning Sat, Jul 11, priced at $584 found 4 days ago
Lufthansa
Sat, Jul 4 - Sat, Jul 11
GLA
Glasgow
KGS
Kos
$595 Roundtrip, found 4 days ago
$595
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sat, Jul 4 from Glasgow to Kos, returning Sat, Jul 11, priced at $595 found 4 days ago
easyJet
Sat, Jul 4 - Sat, Jul 11
GLA
Glasgow
KGS
Kos
$687 Roundtrip, found 4 days ago
$687
Roundtrip
found 4 days ago
Select easyJet flight, departing Sat, Jul 4 from Glasgow to Kos, returning Sat, Jul 11, priced at $687 found 4 days ago
Flights from Glasgow (GLA) to Kos (KGS)
Origin airport
Glasgow Intl.
Destination airport
Kos Island Intl.
Roundtrip price
$406
Distance
1968 mi
Average flight time
4 hours 30 mins

Glasgow to Kos Flights

The cheapest times to fly from Glasgow to Kos

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Glasgow to Kos are during the month of July. You can find some of the cheapest flights from Glasgow to Kos with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Glasgow to Kos

Sunday is one of the best days to book for cheap flights from Glasgow to Kos: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Glasgow to Kos

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Glasgow to Kos in 2025. You can also book with separate airlines for your outbound and return journeys, from $39 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Glasgow to Kos flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Glasgow to Kos airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Glasgow Intl. Airport (GLA) to Kos Island Intl. Airport (KGS) cost?
Snag a cheap one-way flight from $39 or cheap return flight from $407 from Glasgow Intl. Airport (GLA) to Kos Island Intl. Airport (KGS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Glasgow Intl. Airport (GLA) to Kos Island Intl. Airport (KGS)?
July is the least expensive month to fly from GLA to KGS. Traveling during an off-peak travel window is often the key to finding a great deal.
What is the cheapest airline that flies from Glasgow Intl. Airport (GLA) to Kos Island Intl. Airport (KGS)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from GLA to KGS. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Glasgow Intl. Airport (GLA) to Kos Island Intl. Airport (KGS)?
Nonstop flights from Glasgow Intl. Airport (GLA) to Kos Island Intl. Airport (KGS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GLA to KGS?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Glasgow Intl. Airport (GLA) to Kos Island Intl. Airport (KGS)?
Choose a flight from Glasgow Intl. Airport (GLA) to Kos Island Intl. Airport (KGS) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Glasgow Intl. Airport (GLA) to Kos Island Intl. Airport (KGS) last-minute?
Waiting until just before your trip to book a flight from GLA to KGS generally means paying more. While you may come across some last-minute deals, they aren't always guaranteed. Keep your travel plans flexible to boost your chances of getting a bargain.
Is it cheaper to book a GLA to KGS flight and hotel package?
Securing a GLA to KGS flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our extensive range of stays and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Glasgow Intl. Airport (GLA) to Kos Island Intl. Airport (KGS)?
Typically, it's possible to reschedule or cancel your GLA to KGS flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.