Ancient ruins with stone columns and scattered trees.

CA $155 Cheap Flights from Bucharest (OTP) to Kos (KGS)

View CA $155 flight on Sun, Sep 6, 2026Opens in a new window

Popular airlines from Henri Coanda Intl. Airport (OTP) to Kos (KGS-Kos Island Intl.)

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Cheap flights from Bucharest (OTP) to Kos (KGS)

Prices were available within the past 7 days and start at CA $155 for one-way flights and CA $311 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aegean
Sun, Sep 6 - Sat, Sep 12
OTP
Bucharest
KGS
Kos
CA $311 Roundtrip, found 5 days ago
CA $311
Roundtrip
found 5 days ago
Select Aegean flight, departing Sun, Sep 6 from Bucharest to Kos, returning Sat, Sep 12, priced at CA $311 found 5 days ago
Aegean
Sun, Sep 6 - Sat, Sep 12
OTP
Bucharest
KGS
Kos
CA $349 Roundtrip, found 5 days ago
CA $349
Roundtrip
found 5 days ago
Select Aegean flight, departing Sun, Sep 6 from Bucharest to Kos, returning Sat, Sep 12, priced at CA $349 found 5 days ago
Aegean
Sun, Sep 6 - Sat, Sep 12
OTP
Bucharest
KGS
Kos
CA $351 Roundtrip, found 5 days ago
CA $351
Roundtrip
found 5 days ago
Select Aegean flight, departing Sun, Sep 6 from Bucharest to Kos, returning Sat, Sep 12, priced at CA $351 found 5 days ago
Aegean
Sun, Sep 6 - Sat, Sep 12
OTP
Bucharest
KGS
Kos
CA $389 Roundtrip, found 5 days ago
CA $389
Roundtrip
found 5 days ago
Select Aegean flight, departing Sun, Sep 6 from Bucharest to Kos, returning Sat, Sep 12, priced at CA $389 found 5 days ago
Aegean
Sun, Sep 6 - Sat, Sep 12
OTP
Bucharest
KGS
Kos
CA $391 Roundtrip, found 5 days ago
CA $391
Roundtrip
found 5 days ago
Select Aegean flight, departing Sun, Sep 6 from Bucharest to Kos, returning Sat, Sep 12, priced at CA $391 found 5 days ago
Aegean
Sun, Sep 6 - Sat, Sep 12
OTP
Bucharest
KGS
Kos
CA $415 Roundtrip, found 5 days ago
CA $415
Roundtrip
found 5 days ago
Select Aegean flight, departing Sun, Sep 6 from Bucharest to Kos, returning Sat, Sep 12, priced at CA $415 found 5 days ago
Austrian Airlines
Sun, Sep 6 - Sat, Sep 12
OTP
Bucharest
KGS
Kos
CA $485 Roundtrip, found 5 days ago
CA $485
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Sun, Sep 6 from Bucharest to Kos, returning Sat, Sep 12, priced at CA $485 found 5 days ago
Swiss International Air Lines
Sun, Sep 6 - Sat, Sep 12
OTP
Bucharest
KGS
Kos
CA $645 Roundtrip, found 5 days ago
CA $645
Roundtrip
found 5 days ago
Select Swiss International Air Lines flight, departing Sun, Sep 6 from Bucharest to Kos, returning Sat, Sep 12, priced at CA $645 found 5 days ago
Lufthansa
Sun, Sep 6 - Sat, Sep 12
OTP
Bucharest
KGS
Kos
CA $646 Roundtrip, found 5 days ago
CA $646
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Sun, Sep 6 from Bucharest to Kos, returning Sat, Sep 12, priced at CA $646 found 5 days ago
Smartwings
Sun, Sep 6 - Sat, Sep 12
OTP
Bucharest
KGS
Kos
CA $834 Roundtrip, found 5 days ago
CA $834
Roundtrip
found 5 days ago
Select Smartwings flight, departing Sun, Sep 6 from Bucharest to Kos, returning Sat, Sep 12, priced at CA $834 found 5 days ago

Frequently asked questions

How much does a flight from Bucharest (OTP-Henri Coanda Intl.) to Kos (KGS-Kos Island Intl.) cost?
You can find one-way and return flights from OTP to KGS with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when OTP to KGS ticket fares go up or down.
What is the cheapest month to fly from Bucharest (OTP-Henri Coanda Intl.) to Kos (KGS-Kos Island Intl.)?
The cheapest months to fly from OTP to KGS are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Bucharest (OTP) to Kos (KGS)?
Enter OTP to KGS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Bucharest (OTP-Henri Coanda Intl.) to Kos (KGS-Kos Island Intl.)?
To find a cheap flight from Bucharest (OTP-Henri Coanda Intl.) to Kos (KGS-Kos Island Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Bucharest (OTP-Henri Coanda Intl.) to Kos (KGS-Kos Island Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Bucharest (OTP-Henri Coanda Intl.) to Kos (KGS-Kos Island Intl.)?
There are approximately 10 connecting flights per day from Bucharest (OTP-Henri Coanda Intl.) to Kos (KGS-Kos Island Intl.). Some common connection points include Franz Josef Strauss Intl. (MUC), Frankfurt Intl. (FRA), and Eleftherios Venizelos (ATH).
What is the earliest flight from Bucharest (OTP) to Kos (KGS)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Bucharest (OTP) to Kos (KGS). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Bucharest (OTP-Henri Coanda Intl.) to Kos (KGS-Kos Island Intl.)?
There are no nonstop flights from Bucharest (OTP-Henri Coanda Intl.) to Kos (KGS-Kos Island Intl.). The shortest flights typically involve one stop and take around 7 hours 30 minutes. Flights with two or more stops usually take longer, averaging about 13 hours 30 minutes. The distance between these two airports is approximately 867 kilometres. Keep in mind that actual travel times can vary based on layover duration, routing, and other factors like wind patterns.
Can you fly business or first class from Bucharest (OTP-Henri Coanda Intl.) to Kos (KGS-Kos Island Intl.)?
Select the "Business class" and "First class" filters when looking for OTP to KGS flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Bucharest (OTP) to Kos (KGS) flight with Expedia?
It's easy to earn miles on a Bucharest (OTP) to Kos (KGS) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Bucharest (OTP) to Kos (KGS) at the last minute?
Typically, booking a last minute flight from Bucharest (OTP) to Kos (KGS) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Bucharest (OTP) to Kos (KGS) flight and hotel package?
Securing a Bucharest (OTP) to Kos (KGS) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Bucharest (OTP-Henri Coanda Intl.) to Kos (KGS-Kos Island Intl.)?
If you booked your Bucharest (OTP-Henri Coanda Intl.) to Kos (KGS-Kos Island Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Henri Coanda Intl.
Destination airport
Kos Island Intl.
Roundtrip price
CA $311
Distance
862 km

Book with confidence

Bucharest to Kos Flights

The easy way to book your flights from Bucharest to Kos 

With Expedia, it’s simple to find and book flights to Kos from Bucharest whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Kos Island Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Bucharest to Kos today, tomorrow, or this week.  

 

Save dollars with cheap flights from Henri Coanda Intl., OTP to Kos Island Intl., KGS 

Sort your search results by price to find great deals on your flight from Bucharest to Kos—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Kos from Bucharest currently is just CA $311 rising to CA $834.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Kos  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Kos from Bucharest 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Kos with Expedia today.

Bucharest to Kos Flights

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*Available to Expedia members.