$152 Cheap Flights from Oslo (OSL) to Cologne (CGN)

Popular airlines from Gardermoen Airport (OSL) to Cologne - Bonn Airport (CGN)

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Cheap Flights from Oslo to Cologne (OSL-CGN)

Prices were available within the past 7 days and start at $152 for one-way flights and $197 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Lufthansa
Lufthansa
Lufthansa
Lufthansa
Lufthansa
Lufthansa
Lufthansa
Lufthansa
Lufthansa
Flights from Oslo (OSL) to Cologne (CGN)
Origin airport
Gardermoen
Destination airport
Cologne - Bonn
Airlines serving
Air Baltic, Austrian Airlines, British Airways, Lufthansa, Swiss International Air Lines
Roundtrip price
$197
Distance
661 mi

Oslo to Cologne Flights

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

 

The best time to book a flight from Oslo to Cologne

Sunday is one of the best days to book for cheap flights from Oslo 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 Oslo 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 Oslo to Cologne in 2025. You can also book with separate airlines for your outbound and return journeys, from $152 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 Oslo 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 Oslo 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 Gardermoen Airport (OSL) to Cologne - Bonn Airport (CGN) cost?
Discover the latest flight deals from OSL 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 OSL to CGN?
The cheapest flights from OSL 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 OSL to CGN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from OSL to CGN. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Gardermoen Airport (OSL) to Cologne - Bonn Airport (CGN)?
Direct flights from Gardermoen Airport (OSL) to Cologne - Bonn Airport (CGN) aren’t available daily, so you’ll have to take a flight with a layover. Explore your options with Expedia’s filter tool. Enter your travel dates and click on either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from OSL to CGN?
You’ll usually find Tuesday the quietest day for flights, while Fridays are often 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 Gardermoen Airport (OSL) to Cologne - Bonn Airport (CGN)?
Opt for a flight from Gardermoen Airport (OSL) to Cologne - Bonn Airport (CGN) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this are on average 22% more likely to be 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 Gardermoen Airport (OSL)?
If you’re on a direct flight from Gardermoen Airport (OSL) to Cologne, Duesseldorf Intl. Airport (DUS) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Gardermoen Airport (OSL) to Cologne - Bonn Airport (CGN) last-minute?
Last-minute bookings from OSL to CGN are usually more expensive. To lock in the cheapest rates, start searching for flights early. That being said, if you can play around with your travel dates, you may find a cheap ticket right before you leave.
Is it cheaper to book an OSL to CGN flight and hotel package?
Booking an OSL to CGN flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our wide range of stays and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Gardermoen Airport (OSL) to Cologne - Bonn Airport (CGN)?
If you reserved your OSL to CGN flight within the last 24 hours, you may be able to cancel or modify 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, go to our Customer Service portal for further details.

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*Available to One Key members.