Cheap flight tickets from Brussels to Kos

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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.

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 March.

Direct flights from Brussels to Kos

Brussels to Kos: Flight information

The things to know before you go.
Cheapest flight foundRM749
Cheapest month to flyMarch
Average flight time3 hrs, 31 mins
Most popular airlineTuifly.be
Average flights per week11

Finding cheap flights from Brussels to Kos: Frequently asked questions

The best price we found for a return flight from Brussels to Kos is RM749. 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.
3 hours and 31 minutes is the average flight time from Brussels to Kos.
Tuifly.be, Brussels Airlines and Corendon Airlines Europe fly direct from Brussels to Kos.
As of February 2026, there are 11 flights per week flying from Brussels to Kos.
The cheapest month to fly from Brussels to Kos is usually March.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Brussels to Kos Airport on Wednesday, 11 March 2026.
Yes – the average flight time is 3 hours and 31 minutes.
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.
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.

Travelling from Brussels to Kos Airport (KGS): What you need to know

  • Choose from 5 direct services a week between Brussels Airport (BRU) and Kos Airport (KGS). This is the most popular route when departing from Brussels.

  • Your flight from Brussels to KGS won't wait if you're late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • Peak travel periods mean busier airports, so be there even earlier. Give yourself at least two hours before a domestic flight and four hours for an international journey to stay on schedule.

Airports in Brussels

Brussels Airport (BRU)

  • You can hop on a direct flight from Brussels to Kos Airport (KGS) out of Brussels Airport (BRU).

  • When taking off from BRU, you can catch a direct flight from Brussels to Kos Airport with TUI fly.

  • Most passengers prefer to fly with TUI fly between BRU and KGS.

  • BRU is around 14 kilometres from central Brussels. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 20 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the trip time to be around 40 minutes.

  • Want a hassle-free start to your holiday? Stay near Brussels Airport. Whether you're boarding an early flight from Brussels to Kos Airport or aren't a fan of being rushed, these hotels are the ideal choice:

  • When it comes to Brussels Airport's on-time performance, 71.97% of flights stick to their scheduled arrival time.

Brussels S. Charleroi Airport (CRL)

  • Using public transport, you can travel from central Brussels to CRL in around 1 hour 35 minutes. The airport is roughly 56 kilometres away, and making the trip by car will take approximately 55 minutes.

  • Flying out early in the morning? You might like to check in to one of these accommodation options near Brussels S. Charleroi Airport the day before your Brussels to KGS flight:

  • Brussels S. Charleroi Airport has an on-time performance of 71.71%. This figure provides insight into how frequently flights that leave from this airport make it to their destination on time.

About Kos Airport (KGS)

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

  • RM425 is the best price for a one-way ticket from Brussels to Kos Airport. Return flights start from RM749. These fares may change based on demand and availability.

  • Book three months before flying. Pricing trends show that this is the ideal window for finding cheap flights from Brussels to KGS.

  • August is when you're most likely to find a good deal on a Brussels to Kos Airport ticket. If you're looking to travel at a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

  • Filters make it easier to dig up a deal for your flight from Brussels to Kos Airport. Pick the airlines, flight times and number of stops that check all your boxes. Then sort the results by 'Cheapest' to find the best price quickly.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.