$512 Cheap Flights from Louisville (SDF) to Cologne (CGN)

View $512 flight on Thu, Dec 25, 2025Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Cologne - Bonn Airport (CGN)

Cheap Flights from Louisville to Cologne (SDF-CGN)

Prices were available within the past 7 days and start at $512 for one-way flights and $730 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Sun, Nov 2 - Mon, Nov 17
SDF
Louisville
CGN
Cologne
$730 Roundtrip, found 3 days ago
$730
Roundtrip
found 3 days ago
Select British Airways flight, departing Sun, Nov 2 from Louisville to Cologne, returning Mon, Nov 17, priced at $730 found 3 days ago
British Airways
Tue, Nov 25 - Fri, Dec 12
SDF
Louisville
CGN
Cologne
$733 Roundtrip, found 3 days ago
$733
Roundtrip
found 3 days ago
Select British Airways flight, departing Tue, Nov 25 from Louisville to Cologne, returning Fri, Dec 12, priced at $733 found 3 days ago
British Airways
Sun, Dec 28 - Mon, Jan 12
SDF
Louisville
CGN
Cologne
$736 Roundtrip, found 3 days ago
$736
Roundtrip
found 3 days ago
Select British Airways flight, departing Sun, Dec 28 from Louisville to Cologne, returning Mon, Jan 12, priced at $736 found 3 days ago
British Airways
Sun, Nov 23 - Fri, Dec 12
SDF
Louisville
CGN
Cologne
$739 Roundtrip, found 3 days ago
$739
Roundtrip
found 3 days ago
Select British Airways flight, departing Sun, Nov 23 from Louisville to Cologne, returning Fri, Dec 12, priced at $739 found 3 days ago
British Airways
Sat, Nov 15 - Wed, Dec 3
SDF
Louisville
CGN
Cologne
$739 Roundtrip, found 3 days ago
$739
Roundtrip
found 3 days ago
Select British Airways flight, departing Sat, Nov 15 from Louisville to Cologne, returning Wed, Dec 3, priced at $739 found 3 days ago
British Airways
Thu, Dec 25 - Thu, Jan 8
SDF
Louisville
CGN
Cologne
$780 Roundtrip, found 2 days ago
$780
Roundtrip
found 2 days ago
Select British Airways flight, departing Thu, Dec 25 from Louisville to Cologne, returning Thu, Jan 8, priced at $780 found 2 days ago
British Airways
Sat, Nov 29 - Wed, Dec 17
SDF
Louisville
CGN
Cologne
$783 Roundtrip, found 3 days ago
$783
Roundtrip
found 3 days ago
Select British Airways flight, departing Sat, Nov 29 from Louisville to Cologne, returning Wed, Dec 17, priced at $783 found 3 days ago
British Airways
Sat, Nov 1 - Mon, Nov 17
SDF
Louisville
CGN
Cologne
$785 Roundtrip, found 3 days ago
$785
Roundtrip
found 3 days ago
Select British Airways flight, departing Sat, Nov 1 from Louisville to Cologne, returning Mon, Nov 17, priced at $785 found 3 days ago
British Airways
Sun, Jan 4 - Mon, Jan 19
SDF
Louisville
CGN
Cologne
$786 Roundtrip, found 3 days ago
$786
Roundtrip
found 3 days ago
Select British Airways flight, departing Sun, Jan 4 from Louisville to Cologne, returning Mon, Jan 19, priced at $786 found 3 days ago
American Airlines
Wed, Dec 24 - Wed, Dec 31
SDF
Louisville
CGN
Cologne
$980 Roundtrip, found 2 days ago
$980
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Dec 24 from Louisville to Cologne, returning Wed, Dec 31, priced at $980 found 2 days ago
Flights from Louisville (SDF) to Cologne (CGN)
Origin airport
Louisville Intl.
Destination airport
Cologne - Bonn
Roundtrip price
$730
Distance
4348 mi

Louisville to Cologne Flights

The cheapest times to fly from Louisville 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 Louisville to Cologne are during the month of November. You can find some of the cheapest flights from Louisville to Cologne with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Louisville to Cologne

Sunday is one of the best days to book for cheap flights from Louisville 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 Louisville 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 Louisville to Cologne in 2025. You can also book with separate airlines for your outbound and return journeys, from $512 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 Louisville 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 Louisville 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 Louisville Intl. Airport (SDF) to Cologne - Bonn Airport (CGN) cost?
Snag a cheap one-way flight from $512 or cheap return flight from $730 from Louisville Intl. Airport (SDF) to Cologne - Bonn Airport (CGN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Louisville Intl. Airport (SDF) to Cologne - Bonn Airport (CGN)?
November is the least expensive month to fly from SDF to CGN. Traveling during an off-peak travel window is often the key to finding a great deal.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Cologne - Bonn Airport (CGN)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SDF to CGN flight.
How many flights per day from Louisville Intl. Airport (SDF) to Cologne - Bonn Airport (CGN)?
There aren't any daily nonstop flights from Louisville Intl. Airport (SDF) to Cologne - Bonn Airport (CGN). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from SDF to CGN?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Louisville Intl. Airport (SDF) to Cologne - Bonn Airport (CGN)?
To land at Cologne - Bonn Airport (CGN) on time, pick a flight that leaves Louisville Intl. Airport (SDF) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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.
Is it cheaper to buy a plane ticket from Louisville Intl. Airport (SDF) to Cologne - Bonn Airport (CGN) last-minute?
Last-minute bookings from SDF to CGN are generally more expensive. To lock in the cheapest rates, start searching for flights as soon as possible. That being said, if you can play around with your travel dates, it's possible to score a cheap ticket right before you leave.
Is it cheaper to book a SDF to CGN flight and hotel package?
Compared with arranging flights and hotels separately, booking a SDF to CGN flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the stress out of planning your trip. Simply secure your flights and select from our wide range of hotels, then personalize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Cologne - Bonn Airport (CGN)?
If you reserved your SDF to CGN 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 purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.