Cheap Flights from Cologne (CGN) to Helena (HLN)

Popular airlines from Cologne - Bonn Airport (CGN) to Helena, MT (HLN-Helena Regional)

Frequently asked questions

How much does a flight from Cologne - Bonn Airport (CGN) to Helena Regional Airport (HLN) cost?
Snag a cheap one-way flight or cheap return flight from Cologne - Bonn Airport (CGN) to Helena Regional Airport (HLN) 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 Cologne - Bonn Airport (CGN) to Helena Regional Airport (HLN)?
The cheapest month to fly from CGN to HLN is , when there's less demand. Off-peak season is often when better flight deals are available between these airports.
What is the cheapest airline that flies from Cologne - Bonn Airport (CGN) to Helena Regional Airport (HLN)?
Expedia's filter tool lets you easily compare different airlines, departure 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 CGN to HLN flight.
How many flights per day from Cologne - Bonn Airport (CGN) to Helena Regional Airport (HLN)?
Nonstop flights from Cologne - Bonn Airport (CGN) to Helena Regional Airport (HLN) 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 dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CGN to HLN?
Usually you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the airline, time of year 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 Helena Regional Airport (HLN)?
To avoid potential delays on the Cologne - Bonn Airport (CGN) to Helena Regional Airport (HLN) route, aim to travel before 3 PM. Later departures 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.
Is it cheaper to buy a plane ticket from Cologne - Bonn Airport (CGN) to Helena Regional Airport (HLN) last-minute?
Booking your plane ticket from CGN to HLN just before your journey is typically more expensive. However, if there's some wiggle room with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a CGN to HLN flight and hotel package?
Booking a CGN to HLN flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our extensive range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Cologne - Bonn Airport (CGN) to Helena Regional Airport (HLN)?
In most instances, you can modify or cancel your CGN to HLN flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you'd like more details, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Cologne - Bonn
Destination airport
Helena Regional
Distance
4789 mi

Book with confidence

Book with confidence

Cologne to Helena Flights

The cheapest times to fly from Cologne to Helena

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

 

The best time to book a flight from Cologne to Helena

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

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 Helena in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Helena 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 Helena 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.

 

Cologne to Helena Flights

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*Available to One Key members.