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Cheap flights from Illinois to Denmark from $250

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Denmark departing on 2/1. 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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0 bags

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Find the cheapest flights from Illinois to Denmark

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
7:01 am - 7:10 amORD-CPH
17h 09m1 stop
Scandinavian Airlines Logo
2:30 pm - 5:45 pmCPH-ORD
9h 15mnonstop
$458Scandinavian Airlines
Find Deal
Thu, Feb 19 - Sat, Mar 14
Scandinavian Airlines Logo
7:10 am - 10:35 amORD-BLL
20h 25m2 stops
Scandinavian Airlines Logo
3:40 pm - 4:45 pmBLL-ORD
32h 05m1 stop
$459Scandinavian Airlines
Find Deal
Sun, Dec 7 - Tue, Dec 23
Icelandair Logo
10:40 pm - 4:15 pmORD-CPH
10h 35m1 stop
Icelandair Logo
2:00 pm - 6:15 pmCPH-ORD
11h 15m1 stop
$462Icelandair
Find Deal
Fri, Apr 24 - Sat, May 2
Icelandair Logo
7:25 pm - 12:55 pmORD-CPH
10h 30m1 stop
Icelandair Logo
5:15 pm - 6:15 pmCPH-ORD
32h 00m1 stop
$466Icelandair
Find Deal
Thu, Apr 2 - Tue, Apr 7
TAP AIR PORTUGAL Logo
8:15 pm - 11:40 pmORD-CPH
20h 25m1 stop
TAP AIR PORTUGAL Logo
6:00 am - 2:45 pmCPH-ORD
15h 45m1 stop
$473TAP AIR PORTUGAL
Find Deal
Fri, Dec 12 - Sun, Dec 14
Air Canada Logo
3:35 pm - 12:25 pmORD-CPH
13h 50m2 stops
Air Canada Logo
6:55 am - 2:55 pmCPH-ORD
15h 00m2 stops
$502Air Canada
Find Deal
Mon, Nov 24 - Wed, Dec 10
Air Canada Logo
3:35 pm - 12:25 pmORD-CPH
13h 50m2 stops
Air Canada Logo
6:55 am - 2:55 pmCPH-ORD
15h 00m2 stops
$504Air Canada
Find Deal
Mon, Nov 24 - Wed, Dec 10
Multiple Airlines Logo
3:35 pm - 12:25 pmORD-CPH
13h 50m2 stops
Multiple Airlines Logo
1:05 pm - 8:05 pmCPH-ORD
14h 00m1 stop
$506Multiple Airlines
Find Deal
Mon, Nov 24 - Wed, Dec 10
Multiple Airlines Logo
3:40 pm - 4:25 pmORD-CPH
17h 45m2 stops
Multiple Airlines Logo
2:40 pm - 7:55 pmCPH-ORD
12h 15m1 stop
$514Multiple Airlines
Find Deal
Sun, May 3 - Sun, May 10
TAP AIR PORTUGAL Logo
7:10 pm - 5:45 pmORD-CPH
15h 35m1 stop
TAP AIR PORTUGAL Logo
6:30 pm - 3:00 pmCPH-ORD
27h 30m1 stop
$519TAP AIR PORTUGAL
Find Deal
Wed, Dec 10 - Tue, Dec 16

Scandinavian Airlines flights from Illinois to Denmark

Our best Scandinavian Airlines deals on Illinois to Denmark flight tickets
Scandinavian Airlines
Feb 19
ORD7:01 amChicago O'Hare Intl
17h 09m
1 stop
CPH7:10 amKastrup Copenhagen
Mar 14
CPH2:30 pmKastrup Copenhagen
9h 15m
ORD5:45 pmChicago O'Hare Intl
$458
Find similar
Scandinavian Airlines
Dec 8
ORD6:30 pmChicago O'Hare Intl
29h 40m
1 stop
CPH7:10 amKastrup Copenhagen
Dec 15
CPH2:30 pmKastrup Copenhagen
9h 15m
ORD4:45 pmChicago O'Hare Intl
$459
Find similar
Scandinavian Airlines
Jan 16
ORD7:20 pmChicago O'Hare Intl
8h 05m
CPH10:25 amKastrup Copenhagen
Jan 26
CPH2:30 pmKastrup Copenhagen
9h 15m
ORD4:45 pmChicago O'Hare Intl
$463
Find similar

Icelandair flights from Illinois to Denmark

Our best Icelandair deals on Illinois to Denmark flight tickets
Icelandair
Apr 24
ORD10:40 pmChicago O'Hare Intl
10h 35m
1 stop
CPH4:15 pmKastrup Copenhagen
May 2
CPH2:00 pmKastrup Copenhagen
11h 15m
1 stop
ORD6:15 pmChicago O'Hare Intl
$462
Find similar
Icelandair
Apr 2
ORD7:25 pmChicago O'Hare Intl
10h 30m
1 stop
CPH12:55 pmKastrup Copenhagen
Apr 7
CPH5:15 pmKastrup Copenhagen
32h 00m
1 stop
ORD6:15 pmChicago O'Hare Intl
$466
Find similar
Icelandair
May 3
ORD7:25 pmChicago O'Hare Intl
19h 20m
1 stop
CPH9:45 pmKastrup Copenhagen
May 10
CPH7:20 amKastrup Copenhagen
21h 20m
1 stop
ORD9:40 pmChicago O'Hare Intl
$468
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Denmark that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 10, 2025.
Use the filters below to find and compare flights from Illinois to Denmark that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Thu 2/19

7:01 am-7:10 am

1 stop17h 09m

Kastrup Copenhagen

Sat 3/14

2:30 pm-5:45 pm

Nonstop9h 15m

$458

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sun 12/7

7:10 am-10:35 am

2 stops20h 25m

Billund

Tue 12/23

3:40 pm-4:45 pm

1 stop32h 05m

$459

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Fri 4/24

10:40 pm-4:15 pm

1 stop10h 35m

Kastrup Copenhagen

Sat 5/2

2:00 pm-6:15 pm

1 stop11h 15m

$462

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Thu 4/2

7:25 pm-12:55 pm

1 stop10h 30m

Kastrup Copenhagen

Tue 4/7

5:15 pm-6:15 pm

1 stop32h 00m

$466

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Fri 12/12

8:15 pm-11:40 pm

1 stop20h 25m

Kastrup Copenhagen

Sun 12/14

6:00 am-2:45 pm

1 stop15h 45m

$473

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Mon 11/24

3:35 pm-12:25 pm

2 stops13h 50m

Kastrup Copenhagen

Wed 12/10

6:55 am-2:55 pm

2 stops15h 00m

$502

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Mon 11/24

3:35 pm-12:25 pm

2 stops13h 50m

Kastrup Copenhagen

Wed 12/10

6:55 am-2:55 pm

2 stops15h 00m

$504

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Mon 11/24

3:35 pm-12:25 pm

2 stops13h 50m

Kastrup Copenhagen

Wed 12/10

1:05 pm-8:05 pm

1 stop14h 00m

$506

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sun 5/3

3:40 pm-4:25 pm

2 stops17h 45m

Kastrup Copenhagen

Sun 5/10

2:40 pm-7:55 pm

1 stop12h 15m

$514

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Wed 12/10

7:10 pm-5:45 pm

1 stop15h 35m

Kastrup Copenhagen

Tue 12/16

6:30 pm-3:00 pm

1 stop27h 30m

$519

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Denmark from

How to get the cheapest flight ticket from Illinois to Denmark

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 Denmark?

In general, January is the cheapest month to fly from Illinois to Denmark. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $446. If you aren’t able to travel to Denmark during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $467.

What is the cheapest day to depart on your flight to Denmark?

The cheapest day to depart from Illinois to Denmark is on a Wednesday. Travelers who choose to depart for Denmark on a Wednesday will often find tickets for as low as $533. On the other hand, Friday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $659.

What is the cheapest time of day to depart on your flight to Denmark?

Flying to Denmark from Illinois in the evening is the least expensive time of day to depart. momondo users have found prices as low as $600 when looking at flights departing in the evening. At noon is when there is more demand to fly to Denmark, so prices are often more expensive at around $713 per ticket.

What is the cheapest Illinois to Denmark flight route?

Fly from Chicago O'Hare Intl to Kastrup Copenhagen for the best Illinois - Denmark flight prices

How far in advance should I book a flight to Denmark?

You are more likely to see cheaper flights to Denmark from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Denmark for around $655 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denmark from Illinois for as low as $596 on momondo.

What cabin class options are available on Illinois to Denmark flights?

There are 3 cabin classes available to choose from on Illinois to Denmark flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Denmark flights?

You could potentially save up to 25% on your flight if you consider stops on a Illinois to Denmark flight.

Cheap Illinois to Denmark flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Denmark

Best Price Found

$379

Fastest flight time

8h 05m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Denmark

1 airport
The best one-way flight to Denmark from Illinois in the past 72 hours is $379. The best round-trip flight deal from Illinois to Denmark found on momondo in the last 72 hours is $521.
The fastest flight from Illinois to Denmark takes 8h 05m
Direct flights go from Illinois to Denmark on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Denmark: Kastrup Copenhagen (CPH)
Search flight deals

  • When did momondo last update prices for flights from Illinois to Denmark?

    Prices for flights from Illinois to Denmark were last updated today.

  • How many operators does momondo search for flights from Illinois to Denmark?

  • How old do you have to be to fly from Illinois to Denmark?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Denmark.

  • What documentation or ID do you need to fly to Denmark?

    The required travel and health documents for your Denmark trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Denmark. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Illinois to Denmark?

Best airlines flying from Illinois to Denmark

Compare and see reviews for airlines that fly from Illinois to Denmark with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $410Free CancellationRating
7.0
574 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $441Free CancellationRating
7.4
1,570 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $471Free CancellationRating
6.8
7,562 reviews
Search Lufthansa flights
American AirlinesPriceFrom $489Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
British AirwaysPriceFrom $508Free CancellationRating
6.7
7,508 reviews
Search British Airways flights
Air CanadaPriceFrom $540Free CancellationRating
7.1
10,428 reviews
Search Air Canada flights
SWISSPriceFrom $554Free CancellationRating
7.5
1,781 reviews
Search SWISS flights
United AirlinesPriceFrom $560Free CancellationRating
7.4
9,012 reviews
Search United Airlines flights
FinnairPriceFrom $576Free CancellationRating
7.6
1,335 reviews
Search Finnair flights
DeltaPriceFrom $611Free CancellationRating
7.9
8,006 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Denmark?

Finding the right flight to Denmark from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Denmark quick and easy, saving you time and money.

Can I find flights from Illinois to Denmark with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to Denmark flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to Denmark?

Once you have performed a search for Illinois to Denmark 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 Illinois to Denmark right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Illinois to Denmark flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Denmark trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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