$315 Cheap Flights from Madrid (MAD) to Kos (KGS) in 2025

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Flight deals from Madrid to Kos

Looking for a cheap last-minute deal or the best return flight from Madrid to Kos? Find the lowest prices on one-way and return tickets right here.

Kos.$315 per passenger.Departing Mon, 15 Sep, returning Mon, 22 Sep.Return flight with Wizz Air Malta and Ryanair.Outbound indirect flight with Wizz Air Malta, departs from Madrid on Mon, 15 Sep, arriving in Kos.Inbound indirect flight with Ryanair, departs from Kos on Mon, 22 Sep, arriving in Madrid.Price includes taxes and charges.From $315, select.

Kos.$337 per passenger.Departing Wed, 8 Apr, returning Tue, 14 Apr.Return flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Madrid on Wed, 8 Apr, arriving in Kos.Inbound indirect flight with Aegean Airlines, departs from Kos on Tue, 14 Apr, arriving in Madrid.Price includes taxes and charges.From $337, select.

Kos.$384 per passenger.Departing Fri, 26 Sep, returning Fri, 3 Oct.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Madrid on Fri, 26 Sep, arriving in Kos.Inbound indirect flight with Ryanair, departs from Kos on Fri, 3 Oct, arriving in Madrid.Price includes taxes and charges.From $384, select.

Kos.$405 per passenger.Departing Thu, 9 Jul, returning Mon, 13 Jul.Return flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Madrid on Thu, 9 Jul, arriving in Kos.Inbound indirect flight with Aegean Airlines, departs from Kos on Mon, 13 Jul, arriving in Madrid.Price includes taxes and charges.From $405, select.

Kos.$407 per passenger.Departing Wed, 27 Aug, returning Tue, 2 Sep.Return flight with SWISS.Outbound indirect flight with SWISS, departs from Madrid on Wed, 27 Aug, arriving in Kos.Inbound indirect flight with SWISS, departs from Kos on Tue, 2 Sep, arriving in Madrid.Price includes taxes and charges.From $407, select.

Kos.$421 per passenger.Departing Mon, 5 Jan, returning Fri, 30 Jan.Return flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Madrid on Mon, 5 Jan, arriving in Kos.Inbound indirect flight with Aegean Airlines, departs from Kos on Fri, 30 Jan, arriving in Madrid.Price includes taxes and charges.From $421, select.

Kos.$441 per passenger.Departing Thu, 30 Oct, returning Mon, 3 Nov.Return flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Madrid on Thu, 30 Oct, arriving in Kos.Inbound indirect flight with Aegean Airlines, departs from Kos on Mon, 3 Nov, arriving in Madrid.Price includes taxes and charges.From $441, select.

Kos.$490 per passenger.Departing Thu, 21 Aug, returning Tue, 26 Aug.Return flight with SWISS.Outbound indirect flight with SWISS, departs from Madrid on Thu, 21 Aug, arriving in Kos.Inbound indirect flight with SWISS, departs from Kos on Tue, 26 Aug, arriving in Madrid.Price includes taxes and charges.From $490, select.

Find the cheapest month to fly from Madrid to Kos

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Madrid to Kos flights are currently cheapest in September.

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Madrid to Kos: Flight information

The things to know before you go.

Cheapest flight found	$315
Cheapest month to fly	September

Finding cheap flights from Madrid to Kos: Frequently asked questions

How much are return flights from Madrid to Kos?

The best price we found for a return flight from Madrid to Kos is $315. 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.

Which airlines fly direct from Madrid to Kos?

Currently, there are no airlines that fly direct from Madrid to Kos. But we found flights with one or more stops from $315.

How many flights are there a week from Madrid to Kos?

As of July 2025, there are no flights flying from Madrid to Kos.

When is the cheapest time to fly from Madrid to Kos?

The cheapest month to fly from Madrid to Kos is usually September.

Which upcoming date is cheapest to fly from Madrid Airport to Kos Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Madrid Airport to Kos Airport on Monday, 15 September 2025.

Can I get a direct flight from Madrid Airport to Kos Airport?

No airlines currently offer direct flights between Madrid Airport and Kos Airport. Most routes have one or more stops.

How can I find the best flight deal to Kos?

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.

Which is the cheapest airline to fly from Madrid Airport to Kos with?

Currently, Wizz Air Malta offers the cheapest flight tickets to Kos.

Travelling from Adolfo Suarez Madrid-Barajas Airport (MAD) to Kos Airport (KGS): what you need to know

For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to board your MAD to KGS flight.
Longer lines at check-in and security are likely if you're jetting off during high season, so give yourself some extra breathing room. A good rule of thumb for peak times? Get there up to four hours early for international flights and two hours for domestic departures.
Consider adding a stopover when booking your ticket from Adolfo Suarez Madrid-Barajas Airport to Kos Airport. Simply deselect 'Direct flights only' to break up your trip, or maybe even explore a new city along the way. Here's where you can stop between MAD and KGS:
- Eleftherios Venizelos International Airport
- Leonardo da Vinci-Fiumicino Airport
- Naples International Airport

How to find the cheapest flights from Adolfo Suarez Madrid-Barajas Airport (MAD) to Kos Airport (KGS)

Currently, $144 is the cheapest price we've seen for a one-way Adolfo Suarez Madrid-Barajas Airport to Kos Airport flight. The best price for a return plane ticket is $315. Remember that fares can change due to availability at the time of booking.
To find cheap tickets from MAD to KGS, book in advance. Airlines tend to offer their most competitively priced fares when flights are first made available.
If you're willing to be flexible with your travel plans, try using the 'Whole month' tool. It'll find the cheapest price in each month when looking for your flight from Adolfo Suarez Madrid-Barajas Airport to Kos Airport.
Finding cheap flights from MAD to KGS couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as there's a better deal.
Find the perfect flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Adolfo Suarez Madrid-Barajas Airport to Kos Airport, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and journey duration.

Handy information about Adolfo Suarez Madrid-Barajas Airport (MAD)

When it comes to the on-time performance of Adolfo Suarez Madrid-Barajas Airport, 78.23% of flights meet their scheduled arrival time.
Central Madrid to Adolfo Suarez Madrid-Barajas Airport is around 18 kilometres. Depending on traffic, it'll take you about 25 minutes to get there if you're driving, ride-sharing or catching a cab.
You can expect a trip time of around 35 minutes when using public transport.
Need a convenient hotel near MAD? If you're boarding an early flight from Adolfo Suarez Madrid-Barajas Airport to Kos Airport, these accommodation options will have you sleeping moments from your check-in counter: