$152 Cheap Flights from Helsinki (HEL) to Cologne (CGN)

View $152 flight on Wed, Oct 22, 2025Opens in a new window

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

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Cheap Flights from Helsinki to Cologne (HEL-CGN)

Prices were available within the past 7 days and start at $152 for one-way flights and $253 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Sat, Aug 16 - Sat, Aug 23
HEL
Helsinki
CGN
Cologne
$253 Roundtrip, found 22 hours ago
$253
Roundtrip
found 22 hours ago
Select Lufthansa flight, departing Sat, Aug 16 from Helsinki to Cologne, returning Sat, Aug 23, priced at $253 found 22 hours ago
Lufthansa
Sat, Aug 16 - Sat, Aug 23
HEL
Helsinki
CGN
Cologne
$262 Roundtrip, found 22 hours ago
$262
Roundtrip
found 22 hours ago
Select Lufthansa flight, departing Sat, Aug 16 from Helsinki to Cologne, returning Sat, Aug 23, priced at $262 found 22 hours ago
Lufthansa
Sat, Aug 16 - Sat, Aug 23
HEL
Helsinki
CGN
Cologne
$270 Roundtrip, found 22 hours ago
$270
Roundtrip
found 22 hours ago
Select Lufthansa flight, departing Sat, Aug 16 from Helsinki to Cologne, returning Sat, Aug 23, priced at $270 found 22 hours ago
Lufthansa
Sat, Aug 16 - Sat, Aug 23
HEL
Helsinki
CGN
Cologne
$279 Roundtrip, found 22 hours ago
$279
Roundtrip
found 22 hours ago
Select Lufthansa flight, departing Sat, Aug 16 from Helsinki to Cologne, returning Sat, Aug 23, priced at $279 found 22 hours ago
Lufthansa
Sat, Aug 16 - Sat, Aug 23
HEL
Helsinki
CGN
Cologne
$280 Roundtrip, found 22 hours ago
$280
Roundtrip
found 22 hours ago
Select Lufthansa flight, departing Sat, Aug 16 from Helsinki to Cologne, returning Sat, Aug 23, priced at $280 found 22 hours ago
Lufthansa
Sat, Aug 16 - Sat, Aug 23
HEL
Helsinki
CGN
Cologne
$289 Roundtrip, found 22 hours ago
$289
Roundtrip
found 22 hours ago
Select Lufthansa flight, departing Sat, Aug 16 from Helsinki to Cologne, returning Sat, Aug 23, priced at $289 found 22 hours ago
Eurowings
Mon, Sep 1 - Wed, Sep 24
HEL
Helsinki
CGN
Cologne
$324 Roundtrip, found 5 days ago
$324
Roundtrip
found 5 days ago
Select Eurowings flight, departing Mon, Sep 1 from Helsinki to Cologne, returning Wed, Sep 24, priced at $324 found 5 days ago
Turkish Airlines
Wed, Aug 6 - Mon, Aug 25
HEL
Helsinki
CGN
Cologne
$351 Roundtrip, found 1 day ago
$351
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Wed, Aug 6 from Helsinki to Cologne, returning Mon, Aug 25, priced at $351 found 1 day ago
British Airways
Wed, Jul 30 - Mon, Aug 4
HEL
Helsinki
CGN
Cologne
$566 Roundtrip, found 3 days ago
$566
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Jul 30 from Helsinki to Cologne, returning Mon, Aug 4, priced at $566 found 3 days ago
Finnair
Fri, Jul 4 - Mon, Jul 14
HEL
Helsinki
QKL
Cologne
$595 Roundtrip, found 1 day ago
$595
Roundtrip
found 1 day ago
Select Finnair flight, departing Fri, Jul 4 from Helsinki to Cologne, returning Mon, Jul 14, priced at $595 found 1 day ago

Alternative airports near Cologne

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

Select flight to Cologne - Bonn CGN. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $403
CGN
Cologne - Bonn
CheapestClosest
Average driving time to city center14 min
Flights from $403
Flights from Helsinki (HEL) to Cologne (CGN)
Origin airport
Vantaa
Destination airport
Cologne - Bonn
Airlines serving
Air Baltic, British Airways, Eurowings, Lufthansa, Turkish Airlines
Roundtrip price
$252
Distance
948 mi

Helsinki to Cologne Flights

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

 

The best time to book a flight from Helsinki to Cologne

Sunday is one of the best days to book for cheap flights from Helsinki 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 Helsinki 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 Helsinki 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 Helsinki 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 Helsinki 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 Vantaa Airport (HEL) to Cologne - Bonn Airport (CGN) cost?
Discover the latest flight deals from HEL 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 HEL to CGN?
The cheapest flights from HEL 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 HEL to CGN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from HEL to CGN. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Vantaa Airport (HEL) to Cologne - Bonn Airport (CGN)?
There are no daily nonstop flights available from Vantaa Airport (HEL) to Cologne - Bonn Airport (CGN). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you’ll be cruising above the clouds in no time at all.
What day of the week has the most flights from HEL to CGN?
You’ll typically 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 Vantaa Airport (HEL) to Cologne - Bonn Airport (CGN)?
To avoid potential delays on the Vantaa Airport (HEL) to Cologne - Bonn Airport (CGN) route, fly before 3 PM. Departures after this hour 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 Vantaa Airport (HEL)?
If you’re traveling on a direct flight from Vantaa Airport (HEL) to Cologne, Duesseldorf Intl. Airport (DUS) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Vantaa Airport (HEL) to Cologne - Bonn Airport (CGN) last-minute?
Holding off until just before your trip to book a flight from HEL to CGN generally means paying more. While you might find some last-minute deals, there’s no guarantee. Keep your travel schedule open to maximize your chances of landing a bargain.
Is it cheaper to book a HEL to CGN flight and hotel package?
You can save money by booking a HEL to CGN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one convenient place. Once you’ve chosen your ideal accommodations and flights, consider adding extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Vantaa Airport (HEL) to Cologne - Bonn Airport (CGN)?
You can usually reschedule or cancel your HEL to CGN flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find more information on our Customer Service portal.

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*Available to One Key members.