$138 Cheap Flights from Bucharest (OTP) to Cologne (CGN)

View $138 flight on Sun, Nov 30, 2025Opens in a new window

Popular airlines from Henri Coanda Intl. Airport (OTP) to Cologne - Bonn Airport (CGN)

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Cheap Flights from Bucharest to Cologne (OTP-CGN)

Prices were available within the past 7 days and start at $138 for one-way flights and $226 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Mon, May 26 - Mon, Jun 2
OTP
Bucharest
CGN
Cologne
$226 Roundtrip, found 1 day ago
$226
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Mon, May 26 from Bucharest to Cologne, returning Mon, Jun 2, priced at $226 found 1 day ago
Lufthansa
Mon, May 26 - Mon, Jun 2
OTP
Bucharest
CGN
Cologne
$235 Roundtrip, found 1 day ago
$235
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Mon, May 26 from Bucharest to Cologne, returning Mon, Jun 2, priced at $235 found 1 day ago
Lufthansa
Mon, May 26 - Mon, Jun 2
OTP
Bucharest
CGN
Cologne
$243 Roundtrip, found 1 day ago
$243
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Mon, May 26 from Bucharest to Cologne, returning Mon, Jun 2, priced at $243 found 1 day ago
Lufthansa
Sat, Jun 14 - Sat, Jun 21
OTP
Bucharest
CGN
Cologne
$253 Roundtrip, found 2 days ago
$253
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Jun 14 from Bucharest to Cologne, returning Sat, Jun 21, priced at $253 found 2 days ago
Lufthansa
Mon, May 26 - Mon, Jun 2
OTP
Bucharest
CGN
Cologne
$266 Roundtrip, found 1 day ago
$266
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Mon, May 26 from Bucharest to Cologne, returning Mon, Jun 2, priced at $266 found 1 day ago
Lufthansa
Sat, Jun 14 - Sat, Jun 21
OTP
Bucharest
CGN
Cologne
$270 Roundtrip, found 2 days ago
$270
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Jun 14 from Bucharest to Cologne, returning Sat, Jun 21, priced at $270 found 2 days ago
Lufthansa
Mon, May 26 - Mon, Jun 2
OTP
Bucharest
CGN
Cologne
$275 Roundtrip, found 1 day ago
$275
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Mon, May 26 from Bucharest to Cologne, returning Mon, Jun 2, priced at $275 found 1 day ago
Lufthansa
Sat, Jun 14 - Sat, Jun 21
OTP
Bucharest
CGN
Cologne
$279 Roundtrip, found 2 days ago
$279
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Jun 14 from Bucharest to Cologne, returning Sat, Jun 21, priced at $279 found 2 days ago
Lufthansa
Mon, May 26 - Mon, Jun 2
OTP
Bucharest
CGN
Cologne
$284 Roundtrip, found 1 day ago
$284
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Mon, May 26 from Bucharest to Cologne, returning Mon, Jun 2, priced at $284 found 1 day ago
Lufthansa
Fri, May 9 - Mon, May 12
OTP
Bucharest
CGN
Cologne
$284 Roundtrip, found 3 days ago
$284
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Fri, May 9 from Bucharest to Cologne, returning Mon, May 12, priced at $284 found 3 days ago
Flights from Bucharest (OTP) to Cologne (CGN)
Origin airport
Henri Coanda Intl.
Destination airport
Cologne - Bonn
Airlines serving
Austrian Airlines, British Airways, Lufthansa, Pegasus Airlines, Swiss International Air Lines, Turkish Airlines
Roundtrip price
$225
Distance
979 mi

Bucharest to Cologne Flights

The cheapest times to fly from Bucharest to Cologne

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bucharest to Cologne are during the month of May. You can find some of the cheapest flights from Bucharest to Cologne with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bucharest to Cologne

Sunday is one of the best days to book for cheap flights from Bucharest to Cologne: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bucharest to Cologne

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bucharest to Cologne in 2025. You can also book with separate airlines for your outbound and return journeys, from $138 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bucharest to Cologne flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bucharest to Cologne airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Henri Coanda Intl. Airport (OTP) to Cologne - Bonn Airport (CGN) cost?
Discover the latest flight deals from OTP to CGN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from OTP to CGN?
The cheapest flights from OTP to CGN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from OTP to CGN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from OTP to CGN. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Henri Coanda Intl. Airport (OTP) to Cologne - Bonn Airport (CGN)?
You’ll have to hop on a flight with a layover when traveling from Henri Coanda Intl. Airport (OTP) to Cologne - Bonn Airport (CGN). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from OTP to CGN?
Generally you’ll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Henri Coanda Intl. Airport (OTP) to Cologne - Bonn Airport (CGN)?
To avoid potential delays on the Henri Coanda Intl. Airport (OTP) to Cologne - Bonn Airport (CGN) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Cologne from Henri Coanda Intl. Airport (OTP)?
If you’re catching a direct flight from Henri Coanda Intl. Airport (OTP) to Cologne, you can arrive at either Dortmund Airport (DTM) or Duesseldorf Intl. Airport (DUS).
Is it cheaper to buy a plane ticket from Henri Coanda Intl. Airport (OTP) to Cologne - Bonn Airport (CGN) last-minute?
Booking your flight from OTP to CGN just before your journey is typically more expensive. But if there’s some wiggle room with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book an OTP to CGN flight and hotel package?
Booking an OTP to CGN flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our wide range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Henri Coanda Intl. Airport (OTP) to Cologne - Bonn Airport (CGN)?
If you reserved your OTP to CGN flight in 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 purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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*Available to One Key members.