$161 Cheap Flights from Cologne (CGN) to Oslo (OSL)

View $161 flight on Wed, Oct 22, 2025Opens in a new window

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

Cheap Flights from Cologne to Oslo (CGN-OSL)

Prices were available within the past 7 days and start at $161 for one-way flights and $204 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Mon, Sep 29 - Mon, Oct 6
CGN
Cologne
OSL
Oslo
$204 Roundtrip, found 4 days ago
$204
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Mon, Sep 29 from Cologne to Oslo, returning Mon, Oct 6, priced at $204 found 4 days ago
Lufthansa
Mon, Sep 29 - Mon, Oct 6
CGN
Cologne
OSL
Oslo
$205 Roundtrip, found 4 days ago
$205
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Mon, Sep 29 from Cologne to Oslo, returning Mon, Oct 6, priced at $205 found 4 days ago
Lufthansa
Mon, Sep 29 - Mon, Oct 6
CGN
Cologne
OSL
Oslo
$213 Roundtrip, found 4 days ago
$213
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Mon, Sep 29 from Cologne to Oslo, returning Mon, Oct 6, priced at $213 found 4 days ago
Lufthansa
Mon, Sep 29 - Mon, Oct 6
CGN
Cologne
OSL
Oslo
$215 Roundtrip, found 4 days ago
$215
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Mon, Sep 29 from Cologne to Oslo, returning Mon, Oct 6, priced at $215 found 4 days ago
Austrian Airlines
Mon, Sep 29 - Mon, Oct 6
CGN
Cologne
OSL
Oslo
$224 Roundtrip, found 4 days ago
$224
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Mon, Sep 29 from Cologne to Oslo, returning Mon, Oct 6, priced at $224 found 4 days ago
Lufthansa
Wed, Oct 1 - Wed, Oct 8
CGN
Cologne
OSL
Oslo
$225 Roundtrip, found 16 hours ago
$225
Roundtrip
found 16 hours ago
Select Lufthansa flight, departing Wed, Oct 1 from Cologne to Oslo, returning Wed, Oct 8, priced at $225 found 16 hours ago
Lufthansa
Thu, Nov 6 - Sat, Nov 22
CGN
Cologne
OSL
Oslo
$233 Roundtrip, found 3 days ago
$233
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Thu, Nov 6 from Cologne to Oslo, returning Sat, Nov 22, priced at $233 found 3 days ago
Swiss International Air Lines
Sat, Nov 1 - Fri, Nov 14
CGN
Cologne
OSL
Oslo
$313 Roundtrip, found 4 days ago
$313
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Sat, Nov 1 from Cologne to Oslo, returning Fri, Nov 14, priced at $313 found 4 days ago
British Airways
Wed, Oct 1 - Wed, Oct 8
CGN
Cologne
OSL
Oslo
$386 Roundtrip, found 16 hours ago
$386
Roundtrip
found 16 hours ago
Select British Airways flight, departing Wed, Oct 1 from Cologne to Oslo, returning Wed, Oct 8, priced at $386 found 16 hours ago
Air Baltic
Wed, Oct 1 - Wed, Oct 8
CGN
Cologne
OSL
Oslo
$574 Roundtrip, found 16 hours ago
$574
Roundtrip
found 16 hours ago
Select Air Baltic flight, departing Wed, Oct 1 from Cologne to Oslo, returning Wed, Oct 8, priced at $574 found 16 hours ago

Alternative airports near Oslo

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gardermoen OSL. Cheapest and Closest option available. Average driving time to city center is 40 minutes. Flights from $381
OSL
Gardermoen
CheapestClosest
Average driving time to city center40 min
Flights from $381
Flights from Cologne (CGN) to Oslo (OSL)
Origin airport
Cologne - Bonn
Destination airport
Gardermoen
Airlines serving
Air Baltic, Austrian Airlines, British Airways, Lufthansa, Swiss International Air Lines
Roundtrip price
$204
Distance
661 mi

Cologne to Oslo Flights

The cheapest times to fly from Cologne to Oslo

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

 

The best time to book a flight from Cologne to Oslo

Sunday is one of the best days to book for cheap flights from Cologne to Oslo: 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 Cologne to Oslo

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 Cologne to Oslo in 2025. You can also book with separate airlines for your outbound and return journeys, from $161 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 Cologne to Oslo 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 Cologne to Oslo 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 Cologne - Bonn Airport (CGN) to Gardermoen Airport (OSL) cost?
Get a cheap one-way flight from $161 or cheap return flight from $204 from Cologne - Bonn Airport (CGN) to Gardermoen Airport (OSL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Cologne - Bonn Airport (CGN) to Gardermoen Airport (OSL)?
Flying in September is a great way to save, as it's the cheapest month for flights between CGN and OSL. You'll often find the lowest fares during the off-season.
Which airlines fly direct from Cologne - Bonn Airport (CGN) to Gardermoen Airport (OSL)?
While Cologne (CGN-Cologne - Bonn) has no direct flights to Gardermoen Airport (OSL), other airports have nonstop options. Traveling from Duesseldorf Intl. Airport (DUS) will get you to Oslo without any detours.
What is the cheapest airline that flies from Cologne - Bonn Airport (CGN) to Gardermoen Airport (OSL)?
To find the cheapest airline that'll fly you from CGN to OSL, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Cologne - Bonn Airport (CGN) to Gardermoen Airport (OSL)?
You'll have to book a flight with a layover when traveling from Cologne - Bonn Airport (CGN) to Gardermoen Airport (OSL). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from CGN to OSL?
Usually you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can vary based on the airline, season 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 Cologne - Bonn Airport (CGN) to Gardermoen Airport (OSL)?
Select a flight from Cologne - Bonn Airport (CGN) to Gardermoen Airport (OSL) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**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 Cologne - Bonn Airport (CGN) to Gardermoen Airport (OSL) last-minute?
Last-minute bookings from CGN to OSL are typically more expensive. For the best prices, start looking for flights as soon as possible. That said, if your travel plans are flexible, it's possible to find a cheap ticket right before your trip.
Is it cheaper to book a CGN to OSL flight and hotel package?
Compared with arranging hotels and flights separately, booking a CGN to OSL flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place takes the hassle out of planning your trip. Just secure your flights and choose from our wide range of stays, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Cologne - Bonn Airport (CGN) to Gardermoen Airport (OSL)?
If you reserved your CGN to OSL flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type 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, go to our Customer Service portal if you'd like more information.

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*Available to One Key members.