$1,305 Cheap Flights from Cologne (CGN) to Billings (BIL)

View $1,305 flight on Thu, Jan 8, 2026Opens in a new window

Popular airlines from Cologne - Bonn Airport (CGN) to Billings Logan Intl. Airport (BIL)

Cheap Flights from Cologne to Billings (CGN-BIL)

Prices were available within the past 7 days and start at $1,305 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Cologne (CGN) to Billings (BIL)
Origin airport
Cologne - Bonn
Destination airport
Logan Intl.
Distance
4735 mi

Cologne to Billings Flights

The cheapest times to fly from Cologne to Billings

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

 

The best time to book a flight from Cologne to Billings

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

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 Billings in 2026. You can also book with separate airlines for your outbound and return journeys, from $1,305 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 Billings 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 Billings 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 Logan Intl. Airport (BIL) cost?
Grab a cheap one-way flight from $1,305 or cheap return flight from Cologne - Bonn Airport (CGN) to Logan Intl. Airport (BIL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Cologne - Bonn Airport (CGN) to Logan Intl. Airport (BIL)?
The cheapest month to fly from CGN to BIL is , when demand is low. Off-peak months are usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from Cologne - Bonn Airport (CGN) to Logan Intl. Airport (BIL)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from CGN to BIL. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Cologne - Bonn Airport (CGN) to Logan Intl. Airport (BIL)?
Nonstop flights from Cologne - Bonn Airport (CGN) to Logan Intl. Airport (BIL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CGN to BIL?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on a number of factors, such as the time of year and airline.*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 Logan Intl. Airport (BIL)?
To avoid possible delays on the Cologne - Bonn Airport (CGN) to Logan Intl. Airport (BIL) route, travel before 3 PM. Flights after this time are 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.
Is it cheaper to buy a plane ticket from Cologne - Bonn Airport (CGN) to Logan Intl. Airport (BIL) last-minute?
Booking your ticket from CGN to BIL shortly before your getaway is typically more expensive. But if there's some wiggle room with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a CGN to BIL flight and hotel package?
You can save money by booking a CGN to BIL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your ideal accommodations and flights, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from Cologne - Bonn Airport (CGN) to Logan Intl. Airport (BIL)?
Typically, you can modify or cancel your CGN to BIL flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you want further details, head to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.