Which airlines fly to Kos?

British Airways, TUI Airways and easyJet are the top three most popular airlines that fly to Kos from Southampton according to our data. British Airways is the first choice among our users, with 39% of people opting to fly with this airline when travelling to Kos. Keep in mind that there are 7 different airlines that fly to Kos on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Southampton Eastleigh Airport to Kos Airport?

Prices for flights from Southampton Eastleigh Airport to Kos Airport are refreshed on a daily basis.

How old do you have to be to fly from Southampton Eastleigh Airport to Kos Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Southampton Eastleigh Airport to Kos Airport.

What documentation or ID do you need to fly to Kos Airport?

The travel and health documents required for your trip to Kos Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kos Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£330 Cheap Flights from Southampton to Kos in 2026/27

Find the cheapest flights from Southampton to Kos

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

13:25 - 16:45SOU Southampton Eastleigh-KGS Kos

25h 20m3 stops Manchester Amsterdam Schiphol Athens Eleftherios V.

12:00 - 06:45KGS Kos-SOU Southampton Eastleigh

20h 45m2 stops Athens Eleftherios V. Geneva Geneve-Cointrin

£330Multiple Airlines

Fri, 4 Dec - Fri, 11 Dec

13:25 - 16:45SOU Southampton Eastleigh-KGS Kos

25h 20m3 stops Manchester Amsterdam Schiphol Athens Eleftherios V.

17:00 - 14:40KGS Kos-SOU Southampton Eastleigh

23h 40m3 stops Athens Eleftherios V. Barcelona-El Prat Geneva Geneve-Cointrin

£355Multiple Airlines

Fri, 4 Dec - Fri, 11 Dec

17:35 - 16:45SOU Southampton Eastleigh-KGS Kos

21h 10m2 stops Amsterdam Schiphol Athens Eleftherios V.

12:00 - 06:45KGS Kos-SOU Southampton Eastleigh

20h 45m2 stops Athens Eleftherios V. Geneva Geneve-Cointrin

£356Multiple Airlines

Fri, 4 Dec - Fri, 11 Dec

17:20 - 15:45SOU Southampton Eastleigh-KGS Kos

20h 25m2 stops Amsterdam Schiphol Athens Eleftherios V.

08:25 - 13:30KGS Kos-SOU Southampton Eastleigh

31h 05m3 stops Athens Eleftherios V. Barcelona-El Prat Alicante

£386Multiple Airlines

Sat, 5 Dec - Sat, 12 Dec

09:25 - 13:35SOU Southampton Eastleigh-KGS Kos

26h 10m3 stops Amsterdam Schiphol Heraklion N. Kazantzakis Apt. Athens Eleftherios V.

08:25 - 13:30KGS Kos-SOU Southampton Eastleigh

31h 05m3 stops Athens Eleftherios V. Barcelona-El Prat Alicante

£404Multiple Airlines

Sat, 5 Dec - Sat, 12 Dec

09:25 - 15:45SOU Southampton Eastleigh-KGS Kos

28h 20m2 stops Amsterdam Schiphol Athens Eleftherios V.

21:45 - 08:10KGS Kos-SOU Southampton Eastleigh

36h 25m2 stops Athens Eleftherios V. Amsterdam Schiphol

£523Multiple Airlines

Sat, 5 Dec - Sat, 12 Dec

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonKos

SOU Southampton Eastleigh - KGS Kos

SOUKGS

Southampton Eastleigh

Fri 4/12

13:25-16:45

3 stops25h 20m

Kos

Fri 11/12

12:00-06:45

2 stops20h 45m

£330

SouthamptonKos

SOU Southampton Eastleigh - KGS Kos

SOUKGS

Southampton Eastleigh

Fri 4/12

13:25-16:45

3 stops25h 20m

Kos

Fri 11/12

17:00-14:40

3 stops23h 40m

£355

Fastest return journey

SouthamptonKos

SOU Southampton Eastleigh - KGS Kos

SOUKGS

Southampton Eastleigh

Fri 4/12

17:35-16:45

2 stops21h 10m

Kos

Fri 11/12

12:00-06:45

2 stops20h 45m

£356

SouthamptonKos

SOU Southampton Eastleigh - KGS Kos

SOUKGS

Southampton Eastleigh

Sat 5/12

17:20-15:45

2 stops20h 25m

Kos

Sat 12/12

08:25-13:30

3 stops31h 05m

£386

SouthamptonKos

SOU Southampton Eastleigh - KGS Kos

SOUKGS

Southampton Eastleigh

Sat 5/12

09:25-13:35

3 stops26h 10m

Kos

Sat 12/12

08:25-13:30

3 stops31h 05m

£404

SouthamptonKos

SOU Southampton Eastleigh - KGS Kos

SOUKGS

Southampton Eastleigh

Sat 5/12

09:25-15:45

2 stops28h 20m

Kos

Sat 12/12

21:45-08:10

2 stops36h 25m

£523

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Southampton to Kos

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Kos?

According to our data, Tuesday is the cheapest day to fly to Kos from Southampton. The lowest ticket price found for a Tuesday departure recently was £193. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Kos is Saturday, with ticket prices averaging around £374.

What is the cheapest time of day to depart on your flight to Kos?

Our most recent data shows that the best time of day to fly to Kos is in the afternoon. Flights from Southampton to Kos during this time can be as low as £182. In the morning is when there is more demand to fly to Kos, so prices are often more expensive at around £280 per ticket.

When to book flights from Southampton to Kos

Are you open to changing your travel dates? Check out the ideal times to fly from Southampton to Kos according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Southampton to Kos (SOU to KGS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Southampton to Kos

Best price found	£330
Direct flights	None

The best flight deal from Southampton to Kos found on momondo in the last 72 hours is £330

There are no direct flights from Southampton to Kos. There are no popular flight routes from Southampton to Kos.

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Frequently asked questions about flying from Southampton to Kos

How far is Southampton Eastleigh to Kos by plane?
Kos is 1707.3 mi away from Southampton Eastleigh.
When did momondo last update prices for flights from Southampton Eastleigh Airport to Kos Airport?
Prices for flights from Southampton Eastleigh Airport to Kos Airport are refreshed on a daily basis.
How old do you have to be to fly from Southampton Eastleigh Airport to Kos Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Southampton Eastleigh Airport to Kos Airport.
What documentation or ID do you need to fly to Kos Airport?
The travel and health documents required for your trip to Kos Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kos Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Kardamena

Marmari

Why use momondo?

Why should I use momondo to find a flight deal from Southampton to Kos?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Kos from Southampton.

Can I find flights from Southampton to Kos with flexible booking policies on momondo?

Flights from Southampton to Kos with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Southampton to Kos?

momondo helps you find the best flight between Southampton and Kos by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Southampton to Kos right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Kos, momondo offers a useful price alert feature which will track prices for flights to Kos from Southampton and alert you when they change.