Cheap flights from Cologne to Illinois from $517
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Cologne to Illinois departing on 5/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Cologne to Illinois
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Cologne to Illinois is on a Friday when prices can be found for as low as $879. Flights from Cologne to Illinois on a Friday will generally be more expensive and average around $879. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Cologne to Illinois during this time can be as low as $884. Flights at noon are often more expensive with an average ticket price of $918.
What is the cheapest airline that flies from Cologne Köln/Bonn to Illinois?
British Airways and Lufthansa are the most popular carriers operating from Cologne Köln/Bonn to Illinois
What airlines fly to Illinois?
Lufthansa, United Airlines and British Airways are the top three most popular airlines that fly to Illinois from Cologne according to our data. Lufthansa is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 5 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
Cheap Cologne to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Cologne to Illinois
When did momondo last update prices for flights from Cologne Köln/Bonn Airport to Illinois?
Prices for flights from Cologne Köln/Bonn Airport to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Cologne Köln/Bonn Airport to Illinois?
As of April 2025, there is 1 operator available to choose from for flights from Cologne Köln/Bonn Airport to Illinois.
How old do you have to be to fly from Cologne Köln/Bonn Airport to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Cologne Köln/Bonn Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Cologne to Illinois
Compare and see reviews for airlines that fly from Cologne to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $855 | Free Cancellation | Rating 6.7 7,012 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Cologne to Illinois?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Cologne to Illinois. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Cologne to Illinois with flexible booking policies on momondo?
All flight searches from Cologne to Illinois on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Cologne to Illinois?
Once you have performed a search for Cologne to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Cologne to Illinois right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Cologne and alert you when they change.