$138 Cheap Flights from Cologne (CGN) to Helsinki (HEL)

View $138 flight on Thu, May 15, 2025Opens in a new window

Popular airlines from Cologne - Bonn Airport (CGN) to Helsinki-Vantaa Airport (HEL)

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Cheap Flights from Cologne to Helsinki (CGN-HEL)

Prices were available within the past 7 days and start at $138 for one-way flights and $200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Sat, Aug 30 - Mon, Sep 8
CGN
Cologne
HEL
Helsinki
$200 Roundtrip, found 2 days ago
$200
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Aug 30 from Cologne to Helsinki, returning Mon, Sep 8, priced at $200 found 2 days ago
Lufthansa
Sat, Aug 30 - Mon, Sep 8
CGN
Cologne
HEL
Helsinki
$216 Roundtrip, found 2 days ago
$216
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Aug 30 from Cologne to Helsinki, returning Mon, Sep 8, priced at $216 found 2 days ago
Lufthansa
Sat, Aug 30 - Mon, Sep 8
CGN
Cologne
HEL
Helsinki
$231 Roundtrip, found 2 days ago
$231
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Aug 30 from Cologne to Helsinki, returning Mon, Sep 8, priced at $231 found 2 days ago
Lufthansa
Sat, Aug 30 - Mon, Sep 8
CGN
Cologne
HEL
Helsinki
$235 Roundtrip, found 2 days ago
$235
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Aug 30 from Cologne to Helsinki, returning Mon, Sep 8, priced at $235 found 2 days ago
Lufthansa
Sat, Aug 30 - Mon, Sep 8
CGN
Cologne
HEL
Helsinki
$250 Roundtrip, found 2 days ago
$250
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Aug 30 from Cologne to Helsinki, returning Mon, Sep 8, priced at $250 found 2 days ago
Lufthansa
Sat, Aug 30 - Mon, Sep 8
CGN
Cologne
HEL
Helsinki
$257 Roundtrip, found 2 days ago
$257
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Aug 30 from Cologne to Helsinki, returning Mon, Sep 8, priced at $257 found 2 days ago
Lufthansa
Tue, May 27 - Tue, Jun 3
CGN
Cologne
HEL
Helsinki
$259 Roundtrip, found 2 days ago
$259
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Tue, May 27 from Cologne to Helsinki, returning Tue, Jun 3, priced at $259 found 2 days ago
Lufthansa
Sat, Aug 30 - Mon, Sep 8
CGN
Cologne
HEL
Helsinki
$268 Roundtrip, found 2 days ago
$268
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Aug 30 from Cologne to Helsinki, returning Mon, Sep 8, priced at $268 found 2 days ago
Lufthansa
Sat, Aug 30 - Mon, Sep 8
CGN
Cologne
HEL
Helsinki
$271 Roundtrip, found 2 days ago
$271
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Aug 30 from Cologne to Helsinki, returning Mon, Sep 8, priced at $271 found 2 days ago
Lufthansa
Sun, May 18 - Sun, May 25
QKL
Cologne
HEL
Helsinki
$273 Roundtrip, found 1 day ago
$273
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sun, May 18 from Cologne to Helsinki, returning Sun, May 25, priced at $273 found 1 day ago
Flights from Cologne (CGN) to Helsinki (HEL)
Origin airport
Cologne - Bonn
Destination airport
Vantaa
Airlines serving
British Airways, Lufthansa
Roundtrip price
$200
Distance
948 mi

Cologne to Helsinki Flights

The cheapest times to fly from Cologne to Helsinki

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

 

The best time to book a flight from Cologne to Helsinki

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

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 Helsinki 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 Cologne to Helsinki 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 Helsinki 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 Vantaa Airport (HEL) cost?
Discover the latest flight deals from CGN to HEL 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 CGN to HEL?
The cheapest flights from CGN to HEL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Cologne - Bonn Airport (CGN) to Vantaa Airport (HEL)?
While Cologne (CGN-Cologne - Bonn) has no direct flights to Vantaa Airport (HEL), other airports have nonstop options. Taking off from Duesseldorf Intl. Airport (DUS) will get you to Helsinki without any layovers.
What is the cheapest airline that flies from CGN to HEL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from CGN to HEL. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Cologne - Bonn Airport (CGN) to Vantaa Airport (HEL)?
Direct flights from Cologne - Bonn Airport (CGN) to Vantaa Airport (HEL) 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 details and click on either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from CGN to HEL?
Usually you’ll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the time of year, airline 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 Vantaa Airport (HEL)?
To avoid potential delays on the Cologne - Bonn Airport (CGN) to Vantaa Airport (HEL) route, travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Vantaa Airport (HEL) last-minute?
Booking your plane ticket from CGN to HEL right before your trip is typically more expensive. But if there’s some wiggle room with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a CGN to HEL flight and hotel package?
Compared with arranging flights and hotels separately, booking a CGN to HEL flight and hotel package with Expedia could result in significant savings. What’s more, having everything in one convenient place will take the hassle out of planning your trip. Simply secure your flights and select from our wide range of stays, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Cologne - Bonn Airport (CGN) to Vantaa Airport (HEL)?
Typically, you’re able to cancel or reschedule your CGN to HEL flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline’s guidelines and fees on flight changes, or if you’d like more details, go to our Customer Service portal.

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*Available to One Key members.