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Cheap flights from Illinois to Billund from $487

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Billund departing on 11/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to Billund

Cheap round-trip flights

Scandinavian Airlines Logo
7:20 pm - 8:45 pmORD-BLL
18h 25m1 stop
Scandinavian Airlines Logo
9:15 pm - 4:45 pmBLL-ORD
26h 30m1 stop
$487Scandinavian Airlines
Find Deal
Sun, Nov 2 - Sun, Nov 16
Scandinavian Airlines Logo
7:20 pm - 11:55 pmORD-BLL
21h 35m1 stop
Scandinavian Airlines Logo
7:20 pm - 4:45 pmBLL-ORD
28h 25m2 stops
$491Scandinavian Airlines
Find Deal
Fri, Nov 7 - Fri, Nov 14
Scandinavian Airlines Logo
7:20 pm - 2:55 pmORD-BLL
12h 35m1 stop
Scandinavian Airlines Logo
3:40 pm - 4:45 pmBLL-ORD
32h 05m1 stop
$494Scandinavian Airlines
Find Deal
Fri, Nov 7 - Fri, Nov 14
KLM Logo
4:25 pm - 11:20 amORD-BLL
11h 55m1 stop
KLM Logo
10:25 am - 2:20 pmBLL-ORD
10h 55m1 stop
$546KLM
Find Deal
Wed, Dec 3 - Fri, Dec 5
Multiple Airlines Logo
10:00 am - 10:00 amORD-BLL
17h 00m2 stops
Multiple Airlines Logo
10:25 am - 7:30 pmBLL-ORD
16h 05m2 stops
$548Multiple Airlines
Find Deal
Fri, Nov 7 - Fri, Nov 14
Delta Logo
10:36 am - 9:40 amORD-BLL
16h 04m2 stops
Delta Logo
10:25 am - 2:20 pmBLL-ORD
10h 55m1 stop
$550Delta
Find Deal
Wed, Dec 3 - Fri, Dec 5
United Airlines Logo
7:15 am - 1:20 pmORD-BLL
23h 05m2 stops
United Airlines Logo
6:45 am - 3:20 pmBLL-ORD
15h 35m1 stop
$555United Airlines
Find Deal
Thu, Jan 15 - Mon, Jan 19
United Airlines Logo
7:15 am - 1:20 pmORD-BLL
23h 05m2 stops
United Airlines Logo
6:45 am - 3:20 pmBLL-ORD
15h 35m1 stop
$556United Airlines
Find Deal
Thu, Jan 15 - Mon, Jan 19
Delta Logo
10:36 am - 11:20 amORD-BLL
17h 44m2 stops
Delta Logo
2:25 pm - 12:01 amBLL-ORD
16h 36m2 stops
$560Delta
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Wed, Dec 3 - Fri, Dec 5
Multiple Airlines Logo
1:14 pm - 11:20 amMDW-BLL
15h 06m2 stops
Multiple Airlines Logo
6:00 am - 6:00 pmBLL-MDW
19h 00m2 stops
$560Multiple Airlines
Find Deal
Wed, Dec 3 - Fri, Dec 5

Delta flights from Illinois to Billund

Our best Delta deals on Illinois to Billund flight tickets
Delta
Dec 3
ORD10:36 amChicago O'Hare Intl
16h 04m
2 stops
BLL9:40 amBillund
Dec 5
BLL10:25 amBillund
10h 55m
1 stop
ORD2:20 pmChicago O'Hare Intl
$550
Find similar
Delta
Dec 3
ORD10:36 amChicago O'Hare Intl
17h 44m
2 stops
BLL11:20 amBillund
Dec 5
BLL2:25 pmBillund
16h 36m
2 stops
ORD12:01 amChicago O'Hare Intl
$560
Find similar
Delta
Nov 12
MDW10:47 amChicago Midway
20h 48m
2 stops
BLL2:35 pmBillund
Nov 16
BLL6:00 amBillund
19h 08m
2 stops
MDW6:08 pmChicago Midway
$587
Find similar

Lufthansa flights from Illinois to Billund

Our best Lufthansa deals on Illinois to Billund flight tickets
Lufthansa
Oct 11
ORD9:40 pmChicago O'Hare Intl
18h 35m
1 stop
BLL11:15 pmBillund
Oct 26
BLL6:30 amBillund
15h 50m
1 stop
ORD4:20 pmChicago O'Hare Intl
$649
Find similar
Lufthansa
Oct 11
ORD9:40 pmChicago O'Hare Intl
18h 35m
1 stop
BLL11:15 pmBillund
Oct 26
BLL10:25 amBillund
11h 55m
1 stop
ORD4:20 pmChicago O'Hare Intl
$652
Find similar
Lufthansa
Oct 11
ORD9:40 pmChicago O'Hare Intl
18h 35m
1 stop
BLL11:15 pmBillund
Oct 26
BLL10:25 amBillund
11h 55m
1 stop
ORD4:20 pmChicago O'Hare Intl
$655
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Billund 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 September 25, 2025.
Use the filters below to find and compare flights from Illinois to Billund that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Sun 11/2

7:20 pm-8:45 pm

1 stop18h 25m

Billund

Sun 11/16

9:15 pm-4:45 pm

1 stop26h 30m

$487

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Fri 11/7

7:20 pm-11:55 pm

1 stop21h 35m

Billund

Fri 11/14

7:20 pm-4:45 pm

2 stops28h 25m

$491

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Fri 11/7

7:20 pm-2:55 pm

1 stop12h 35m

Billund

Fri 11/14

3:40 pm-4:45 pm

1 stop32h 05m

$494

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Wed 12/3

4:25 pm-11:20 am

1 stop11h 55m

Billund

Fri 12/5

10:25 am-2:20 pm

1 stop10h 55m

$546

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Fri 11/7

10:00 am-10:00 am

2 stops17h 00m

Billund

Fri 11/14

10:25 am-7:30 pm

2 stops16h 05m

$548

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Wed 12/3

10:36 am-9:40 am

2 stops16h 04m

Billund

Fri 12/5

10:25 am-2:20 pm

1 stop10h 55m

$550

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Thu 1/15

7:15 am-1:20 pm

2 stops23h 05m

Billund

Mon 1/19

6:45 am-3:20 pm

1 stop15h 35m

$555

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Thu 1/15

7:15 am-1:20 pm

2 stops23h 05m

Billund

Mon 1/19

6:45 am-3:20 pm

1 stop15h 35m

$556

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Wed 12/3

10:36 am-11:20 am

2 stops17h 44m

Billund

Fri 12/5

2:25 pm-12:01 am

2 stops16h 36m

$560

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

Wed 12/3

1:14 pm-11:20 am

2 stops15h 06m

Billund

Fri 12/5

6:00 am-6:00 pm

2 stops19h 00m

$560

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to Billund from

How to get the cheapest flight ticket from Illinois to Billund

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 Billund?

The cheapest day to depart from Illinois to Billund is on a Tuesday when prices can be found for as low as $601. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Billund for around $1,156.

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

According to our data, the cheapest time of day to fly to Billund is in the evening. momondo users have found flights departing from Illinois to Billund in the evening for as low as $650. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $935.

Cheap Illinois to Billund flight deals and tips

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

Direct flights

None
There are no direct flights from Illinois to Billund. There are no popular flight routes from Illinois to Billund.
Search flight deals

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

    Prices for flights from Illinois to Billund Airport were last updated today.

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

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

    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 Illinois to Billund Airport.

  • What documentation or ID do you need to fly to Billund Airport?

    The travel and health documents you'll need for your trip to Billund Airport 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 Billund Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Illinois to Billund

Compare and see reviews for airlines that fly from Illinois to Billund with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $490Free CancellationRating
6.8
7,424 reviews
Search Lufthansa flights
Scandinavian AirlinesPriceFrom $524Free CancellationRating
7.4
1,493 reviews
Search Scandinavian Airlines flights

Traveling to a place near Billund?

Book flights to Billund if you plan to visit one of these locations
Vejle
Ribe
Kolding
Middelfart
Horsens

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Billund. momondo saves you time and could save you money on your trip.

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

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

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

momondo provides multiple filters to help you find the best flight to Billund from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Illinois to Billund right now. Can momondo alert me if prices change?

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

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