Cheap flights from Copenhagen to Illinois from $309
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 4/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Copenhagen to Illinois
Cheap round-trip flights
Cheap one-way flights
Cheap direct flights
Icelandair flights from Copenhagen to Illinois
Our best Icelandair deals on Copenhagen to Illinois flight tickets
American Airlines flights from Copenhagen to Illinois
Our best American Airlines deals on Copenhagen to Illinois flight tickets
See travel insights to Illinois from
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 $485, 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 November is also cheap. Prices for this month can be found on momondo for an average of $529.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Copenhagen to Illinois is on a Sunday when prices can be found for as low as $584. Flights from Copenhagen to Illinois on a Thursday will generally be more expensive and average around $764. 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 $684.
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 19 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $601 when searching 19 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 $547 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 Finnair are the most popular carriers operating from Kastrup Copenhagen to Illinois
What airlines fly to Illinois?
Scandinavian Airlines, British Airways 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 49% 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 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 | $309 |
|---|---|
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 April 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 96.35% of all bookings. The subsequent popular model is Airbus A350-900 at 3.65%.
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 7.0 476 reviews | |||
| PriceFrom $400 | Free Cancellation | Rating 6.6 6,715 reviews | |||
| PriceFrom $455 | Free Cancellation | Rating 6.7 6,963 reviews | |||
| PriceFrom $460 | Free Cancellation | Rating 7.4 8,615 reviews | |||
| PriceFrom $500 | Free Cancellation | Rating 7.3 1,328 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.