£109 Cheap Flights from Brussels (BRUS) to Kos (KGS)

Q: How much are return flights from Brussels to Kos?

The best price we found for a return flight from Brussels to Kos is £109. 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.

Q: How long does it take to fly from Brussels to Kos?

3 hours and 37 minutes is the average flight time from Brussels to Kos.

Q: Which airlines fly direct from Brussels to Kos?

Tuifly.be, Brussels Airlines and Fly2Sky fly direct from Brussels to Kos.

Q: How many flights are there a week from Brussels to Kos?

As of May 2025, there are 9 flights per week flying from Brussels to Kos.

Q: When is the cheapest time to fly from Brussels to Kos?

The cheapest month to fly from Brussels to Kos is usually May 2025.

Q: Which upcoming date is cheapest to fly from Brussels to Kos Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Brussels to Kos Airport on Monday, 2 June 2025 .

Q: Can I get a direct flight from Brussels to Kos Airport?

Yes – the average flight time is 3 hours and 37 minutes.

Q: 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.

Q: When is the best time to book flights to Kos?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kos is around 40 days in advance, so don’t leave your flight to the last minute.

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Flight deals from Brussels to Kos

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

Kos.£109 per passenger.Departing Mon, 2 Jun, returning Thu, 5 Jun.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Brussels S. Charleroi on Mon, 2 Jun, arriving in Kos.Inbound indirect flight with Ryanair, departs from Kos on Thu, 5 Jun, arriving in Brussels S. Charleroi.Price includes taxes and charges.From £109, select.

Kos.£125 per passenger.Departing Sun, 15 Jun, returning Sun, 6 Jul.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Brussels S. Charleroi on Sun, 15 Jun, arriving in Kos.Inbound indirect flight with Ryanair, departs from Kos on Sun, 6 Jul, arriving in Brussels S. Charleroi.Price includes taxes and charges.From £125, select.

Kos.£127 per passenger.Departing Wed, 27 Aug, returning Sun, 31 Aug.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Brussels S. Charleroi on Wed, 27 Aug, arriving in Kos.Inbound indirect flight with Ryanair, departs from Kos on Sun, 31 Aug, arriving in Brussels S. Charleroi.Price includes taxes and charges.From £127, select.

Kos.£134 per passenger.Departing Sat, 11 Oct, returning Thu, 16 Oct.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Brussels S. Charleroi on Sat, 11 Oct, arriving in Kos.Inbound indirect flight with Ryanair, departs from Kos on Thu, 16 Oct, arriving in Brussels S. Charleroi.Price includes taxes and charges.From £134, select.

Kos.£136 per passenger.Departing Tue, 20 May, returning Fri, 23 May.Return flight with Tuifly.be.Outbound direct flight with Tuifly.be departs from Brussels International on Tue, 20 May, arriving in Kos.Inbound direct flight with Tuifly.be departs from Kos on Fri, 23 May, arriving in Brussels International.Price includes taxes and charges.From £136, select.

Kos.£144 per passenger.Departing Tue, 1 Jul, returning Sun, 6 Jul.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Brussels S. Charleroi on Tue, 1 Jul, arriving in Kos.Inbound indirect flight with Ryanair, departs from Kos on Sun, 6 Jul, arriving in Brussels S. Charleroi.Price includes taxes and charges.From £144, select.

Kos.£148 per passenger.Departing Tue, 20 May, returning Sat, 7 Jun.Return flight with Tuifly.be.Outbound direct flight with Tuifly.be departs from Brussels International on Tue, 20 May, arriving in Kos.Inbound direct flight with Tuifly.be departs from Kos on Sat, 7 Jun, arriving in Brussels International.Price includes taxes and charges.From £148, select.

Kos.£152 per passenger.Departing Fri, 13 Jun, returning Tue, 17 Jun.Return flight with Tuifly.be.Outbound direct flight with Tuifly.be departs from Brussels International on Fri, 13 Jun, arriving in Kos.Inbound direct flight with Tuifly.be departs from Kos on Tue, 17 Jun, arriving in Brussels International.Price includes taxes and charges.From £152, select.

Find the cheapest month to fly from Brussels to Kos

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

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Direct flights from Brussels to Kos

Brussels to Kos: Flight information

The things to know before you go.

Cheapest flight found	£109
Cheapest month to fly	June
Average flight time	3 hrs, 37 mins
Most popular airline	Tuifly.be
Average flights per week	14

Finding cheap flights from Brussels to Kos: Frequently asked questions

How much are return flights from Brussels to Kos?

How long does it take to fly from Brussels to Kos?

Which airlines fly direct from Brussels to Kos?

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

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

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

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

How can I find the best flight deal to Kos?

When is the best time to book flights to Kos?

Flying from Brussels to Kos Airport (KGS): what you need to know

Around 3 hours 39 minutes is how long you can expect to be travelling on a direct flight from Brussels to Kos Airport.
Kos Airport is located in Greece. The city operates in the UTC+2 timezone and is 1 hour ahead of Brussels.
With 4 direct weekly flights between the two airports, Brussels Airport (BRU) to Kos Airport (KGS) is the busiest route. Brussels Airlines operates the earliest flight at 05:40. If you'd like to get more out of your day before flying, the last flight from BRU to KGS is with Brussels Airlines at 15:10.
For a smooth journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This way, you'll have plenty of time to catch your flight from Brussels to KGS.
Popular months like July or other peak periods mean longer lines and potential delays. Stick to your schedule by arriving at the airport even earlier. Aim for at least four hours ahead of an international flight and two hours before domestic departures.

Airports in Brussels

Brussels Airport (BRU)

Take the express route from Brussels Airport (BRU). Direct flights from Brussels to Kos Airport (KGS) can be booked from here.
Brussels Airlines is a well-known airline that offers direct flights from Brussels to Kos Airport jetting out of BRU.
Stopovers are the perfect opportunity to take a break from travelling — and possibly even explore a different city. When browsing flights from Brussels to KGS departing from Brussels Airport (BRU), uncheck the 'Direct flights only' box to see where you can visit along the way. Here are some options to consider:
- Frankfurt Airport (FRA)
- Eleftherios Venizelos International Airport (ATH)
- Guglielmo Marconi Airport (BLQ)
BRU is about 9 miles from central Brussels. To help you work out how to get there, use Google Maps. This essential traveller tool will show you the quickest route and available public transport options.
Have an early flight from Brussels to Kos Airport? Avoid the hassle of rushing to the terminal (and sneak in some extra precious sleep) by picking one of these hotels close to Brussels Airport:

Brussels S. Charleroi Airport (CRL)

Prefer to leave from Brussels S. Charleroi Airport (CRL)? You can reserve a direct flight from Brussels to Kos Airport (KGS) from this popular hub.
Visit friends or family or just take some time to unwind with a stopover. If you'd like to break up your flight from Brussels to Kos Airport, check out these options when departing from Brussels S. Charleroi Airport:
- Eleftherios Venizelos International Airport (ATH)
- Orio al Serio International Airport (BGY)
- Vienna International Airport (VIE)
CRL is around 35 miles from central Brussels. It'll take you 56 minutes or so to get to the airport in a car from the city centre. Public transport takes approximately 1 hour and 37 minutes.
Kick off your holiday early with an extra night away from home. Before your flight from Brussels to KGS, take things easy in one of these hotels close to Brussels S. Charleroi Airport:

About Kos Airport (KGS)

The last thing you need is a lengthy journey to your hotel if you're arriving on a late flight from Brussels to Kos Airport. Book one of these accommodation options near KGS instead:

Getting from Kos Airport (KGS) to central Greece

Kos Airport is roughly 270 miles from central Greece. The time it takes to get there by car rental or cab depends on the time of day. Do a little research before your trip.

How to find the cheapest flights from Brussels to Kos Airport (KGS)

£47 is the cheapest price we've seen for a one-way ticket from Brussels to Kos Airport. Return flights start from £109. Prices are subject to change based on availability and may vary at the time of booking.
11 months is how far you'll want to book ahead to find cheap tickets from Brussels to KGS.
The cheapest month for tickets from Brussels to Kos Airport is August. Use the 'Whole month' tool to find the most affordable day to fly if you're flexible with your plans.
Create a Price Alert and track any changes on this route through email or push notifications. We'll let you know when prices drop. The right timing can be the key to finding cheap tickets from Brussels to KGS.
Make the most of the filters to find your ideal trip. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Brussels to Kos Airport, use the 'Sort by' tool. You can also filter by airline, arrival and departure times, and number of stops.

The best time to fly from Brussels to Kos Airport (KGS)

August is the busiest month to board a flight from Brussels to Kos Airport while February is the quietest. To work out the ideal time to visit Greece, consider whether you prefer a lively vibe or a quieter pace.
The warmest month in Greece is July, with temperatures ranging between 22ºC and 33ºC. Book your flights from Brussels to KGS in this month if this is the type of weather you enjoy.
January has average temperatures of between 2ºC and 13ºC. Search for cheap flights from Brussels to Kos Airport sometime around then if you like cooler conditions.

More about Greece

When it comes to looking for somewhere to rest your head, you'll find the most popular stays in Greece right here. Explore these options once you've booked your flight from Brussels to Kos Airport:
All great adventures should include a little sightseeing. Agios Panteleimonas, Κύμα - Kyma - The wave and Τρείς μώλοι / Three piers beach are essential stops on your Greece itinerary.