Cheap Flights from Bucharest to Kos from $276

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Flight deals from Bucharest to Kos

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

Kos.$276 per passenger.Departing Sun, 1 Mar, returning Thu, 5 Mar.Return flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Bucharest Otopeni on Sun, 1 Mar, arriving in Kos.Inbound indirect flight with Aegean Airlines, departs from Kos on Thu, 5 Mar, arriving in Bucharest Otopeni.Price includes taxes and charges.From $276, select.

Kos.$334 per passenger.Departing Thu, 14 May, returning Thu, 21 May.Return flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Bucharest Otopeni on Thu, 14 May, arriving in Kos.Inbound indirect flight with Aegean Airlines, departs from Kos on Thu, 21 May, arriving in Bucharest Otopeni.Price includes taxes and charges.From $334, select.

Kos.$344 per passenger.Departing Sat, 12 Sep, returning Sat, 19 Sep.Return flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Bucharest Otopeni on Sat, 12 Sep, arriving in Kos.Inbound indirect flight with Aegean Airlines, departs from Kos on Sat, 19 Sep, arriving in Bucharest Otopeni.Price includes taxes and charges.From $344, select.

Kos.$392 per passenger.Departing Sun, 1 Mar, returning Wed, 1 Jul.Return flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Bucharest Otopeni on Sun, 1 Mar, arriving in Kos.Inbound indirect flight with Aegean Airlines, departs from Kos on Wed, 1 Jul, arriving in Bucharest Otopeni.Price includes taxes and charges.From $392, select.

Kos.$426 per passenger.Departing Mon, 1 Jun, returning Thu, 11 Jun.Return flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Bucharest Otopeni on Mon, 1 Jun, arriving in Kos.Inbound indirect flight with Aegean Airlines, departs from Kos on Thu, 11 Jun, arriving in Bucharest Otopeni.Price includes taxes and charges.From $426, select.

Kos.$438 per passenger.Departing Tue, 4 Aug, returning Sat, 8 Aug.Return flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Bucharest Otopeni on Tue, 4 Aug, arriving in Kos.Inbound indirect flight with Aegean Airlines, departs from Kos on Sat, 8 Aug, arriving in Bucharest Otopeni.Price includes taxes and charges.From $438, select.

Kos.$442 per passenger.Departing Tue, 7 Jul, returning Tue, 14 Jul.Return flight with Lufthansa and Austrian Airlines.Outbound indirect flight with Lufthansa, departs from Bucharest Otopeni on Tue, 7 Jul, arriving in Kos.Inbound indirect flight with Austrian Airlines, departs from Kos on Tue, 14 Jul, arriving in Bucharest Otopeni.Price includes taxes and charges.From $442, select.

Kos.$454 per passenger.Departing Tue, 25 Aug, returning Wed, 2 Sep.Return flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from Bucharest Otopeni on Tue, 25 Aug, arriving in Kos.Inbound indirect flight with Aegean Airlines, departs from Kos on Wed, 2 Sep, arriving in Bucharest Otopeni.Price includes taxes and charges.From $454, select.

Find the cheapest month to fly from Bucharest to Kos

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

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Bucharest to Kos: Flight information

The things to know before you go.

Cheapest flight found	$276
Cheapest month to fly	March

Finding cheap flights from Bucharest to Kos: Frequently asked questions

How much are return flights from Bucharest to Kos?

The best price we found for a return flight from Bucharest to Kos is $276. 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 Bucharest to Kos?

Currently, there are no airlines that fly direct from Bucharest to Kos. But we found flights with one stop from $276.

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

As of February 2026, there are no flights flying from Bucharest to Kos.

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

The cheapest month to fly from Bucharest to Kos is usually March.

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

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Bucharest to Kos Airport on Sunday, 1 March 2026.

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

No airlines currently offer direct flights between Bucharest 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.

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.

Which is the cheapest airline to fly from Bucharest to Kos with?

The cheapest airline that flies to Kos is Aegean Airlines .

Flying from Bucharest to Kos Airport (KGS): What you need to know

Give yourself plenty of time to get on your flight from Bucharest to KGS. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.
In high season, allow for longer wait times and show up earlier. Aim for at least two hours ahead for domestic flights and up to four hours for international journeys.

Airports in Bucharest

Bucharest Henri Coanda International Airport (OTP)

Located around 21 kilometres from central Bucharest, OTP can be reached in about 35 minutes by car (depending on traffic). The journey by public transport will take roughly 1 hour 35 minutes.
Catching an early flight from Bucharest to Kos Airport? Avoid the hassle of rushing to the terminal (and sneak in some extra snooze time) by staying at one of these hotels close to Bucharest Henri Coanda International Airport:
When it comes to Bucharest Henri Coanda International Airport's on-time performance, data shows 71.27% of flights complete their journey on time.

About Kos Airport (KGS)

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

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

$151 is currently the best price for a one-way ticket from Bucharest to Kos Airport. A return flight starts from $276. These prices may change depending on demand and availability.
Booking in advance is often the key to scoring a cheap flight from Bucharest to KGS. Airlines adjust prices based on demand, so the closer your departure date, the more expensive your ticket may be.
Cheap Bucharest to Kos Airport tickets are easier to find when your dates are flexible. Try using the 'Whole month' search tool to compare fares across the month and then pick the cheapest day.
Uncover a great deal on a flight from Bucharest to Kos Airport with the help of the filters. Choose your ideal arrival and departure times, airlines and number of stops. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest.'