Cheap flights from Copenhagen to Illinois from $336
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Copenhagen to Illinois departing on 9/27. 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 Copenhagen 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 month to fly to Illinois?
The cheapest month to fly to Illinois from Copenhagen is in February. Flight prices, which tend to average around $483, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $524.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Copenhagen to Illinois is on a Saturday when prices can be found for as low as $593. Flights from Copenhagen to Illinois on a Thursday will generally be more expensive and average around $707. 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 Copenhagen to Illinois during this time can be as low as $532. Flights in the afternoon are often more expensive with an average ticket price of $706.
What is the cheapest Kastrup Copenhagen to Illinois flight route?
Fly from Kastrup Copenhagen to Chicago O'Hare Intl for the best Kastrup Copenhagen - Illinois flight prices
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Copenhagen when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $610 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Copenhagen for as low as $536 on momondo.
What cabin class options are available on Kastrup Copenhagen to Illinois flights?
There are 3 cabin classes available to choose from on Kastrup Copenhagen to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Kastrup Copenhagen to Illinois?
Air Serbia, TAP AIR PORTUGAL, and Icelandair are the most popular carriers operating from Kastrup Copenhagen to Illinois
What airlines fly to Illinois?
Scandinavian Airlines, Icelandair and United Airlines are the top three most popular airlines that fly to Illinois from Copenhagen according to our data. Scandinavian Airlines is the first choice among our users, with 60% 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.
How many flights depart from Copenhagen to Illinois on average per week?
As of June 2025, 6 flights take off from Copenhagen and land in Illinois each week. The most common flight departure day for this route is Thu, with 33% of weekly flights taking off on this day.
Cheap Copenhagen to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Copenhagen to Illinois
Best Price Found | $336 |
|---|---|
Fastest flight time | 9h 15m |
Direct flights | Mon, Tue, Wed, Fri, Sat and Sun |
Airports in Illinois | 3 airports |
When did momondo last update prices for flights from Kastrup Copenhagen Airport to Illinois?
Prices for flights from Kastrup Copenhagen Airport to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Kastrup Copenhagen Airport to Illinois?
As of June 2025, there are 7 operators available to choose from for flights from Kastrup Copenhagen Airport to Illinois.
How old do you have to be to fly from Kastrup Copenhagen 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 Kastrup Copenhagen 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.
What is the most popular plane model from Copenhagen to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Copenhagen to Illinois is Airbus A330-300, representing 94.02% of all bookings. The subsequent popular model is Airbus A350-900 at 5.98%.
Best airlines flying from Copenhagen to Illinois
Compare and see reviews for airlines that fly from Copenhagen to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $352 | Free Cancellation | Rating 7.0 499 reviews | |||
| PriceFrom $406 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $460 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $484 | Free Cancellation | Rating 6.7 7,139 reviews | |||
| PriceFrom $502 | Free Cancellation | Rating 7.3 1,387 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Copenhagen to Illinois?
It is quick and easy to find Copenhagen to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.
Can I find flights from Copenhagen to Illinois with flexible booking policies on momondo?
Flights from Copenhagen to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Copenhagen to Illinois?
Once you have performed a search for Copenhagen 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 Copenhagen to Illinois right now. Can momondo alert me if prices change?
Price alerts on flights to Illinois from Copenhagen are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.