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

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

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

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 Billund Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The required travel and health documents for your Illinois 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 Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$489 Cheap Flights from Billund to Illinois in 2026

Find the cheapest flights from Billund to Illinois

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:05 pm - 6:45 pm

BLL

ORD

12h 40m

1 stop

12:02 pm - 8:05 pm

ORD

BLL

25h 03m

2 stops

$489British Airways

Sat, Nov 14 - Tue, Nov 17

1:05 pm - 7:15 pm

BLL

ORD

13h 10m

1 stop

9:50 pm - 8:05 pm

ORD

BLL

15h 15m

1 stop

$490British Airways

Sat, Nov 14 - Tue, Nov 17

6:00 am - 2:15 pm

BLL

ORD

15h 15m

1 stop

5:10 pm - 10:25 pm

ORD

BLL

22h 15m

1 stop

$570Multiple Airlines

Thu, Aug 13 - Tue, Aug 18

9:00 pm - 7:30 pm

BLL

STL

29h 30m

2 stops

8:41 am - 11:10 am

STL

BLL

19h 29m

2 stops

$594British Airways

Wed, Dec 2 - Sun, Dec 6

6:00 am - 2:15 pm

BLL

ORD

15h 15m

1 stop

5:10 pm - 11:20 am

ORD

BLL

11h 10m

1 stop

$599Air France

Thu, Aug 20 - Mon, Aug 24

6:00 am - 2:15 pm

BLL

ORD

15h 15m

1 stop

6:45 pm - 5:55 pm

ORD

BLL

16h 10m

2 stops

$605Delta

Thu, Aug 13 - Tue, Aug 18

6:40 am - 6:01 pm

BLL

MDW

18h 21m

2 stops

1:51 pm - 11:20 am

MDW

BLL

14h 29m

2 stops

$612Delta

Thu, Aug 13 - Tue, Aug 18

6:40 am - 6:20 pm

BLL

ORD

18h 40m

2 stops

6:25 pm - 3:45 pm

ORD

BLL

14h 20m

2 stops

$617Delta

Thu, Aug 13 - Tue, Aug 18

6:35 am - 1:45 pm

BLL

STL

14h 10m

1 stop

3:40 pm - 9:55 am

STL

BLL

11h 15m

1 stop

$648United Airlines

Wed, Dec 2 - Sun, Dec 6

6:35 am - 1:45 pm

BLL

STL

14h 10m

1 stop

3:40 pm - 9:55 am

STL

BLL

11h 15m

1 stop

$649United Airlines

Wed, Dec 2 - Sun, Dec 6

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Lufthansa flights from Billund to Illinois

Our best Lufthansa deals on Billund to Illinois flight tickets

Lufthansa

Jul 29

BLL6:00 amBillund

13h 55m

1 stop

ORD12:55 pmChicago O'Hare Intl

Aug 27

ORD10:30 pmChicago O'Hare Intl

17h 10m

1 stop

BLL10:40 pmBillund

$676

Lufthansa

Jul 29

BLL6:00 amBillund

13h 55m

1 stop

ORD12:55 pmChicago O'Hare Intl

Aug 27

ORD10:30 pmChicago O'Hare Intl

17h 10m

1 stop

BLL10:40 pmBillund

$679

Lufthansa

Jul 26

BLL6:55 pmBillund

23h 05m

1 stop

ORD11:00 amChicago O'Hare Intl

Jul 30

ORD4:05 pmChicago O'Hare Intl

10h 55m

1 stop

BLL10:00 amBillund

$714

British Airways flights from Billund to Illinois

Our best British Airways deals on Billund to Illinois flight tickets

British Airways

Nov 14

BLL1:05 pmBillund

12h 40m

1 stop

ORD6:45 pmChicago O'Hare Intl

Nov 17

ORD12:02 pmChicago O'Hare Intl

25h 03m

2 stops

BLL8:05 pmBillund

$489

British Airways

Nov 14

BLL1:05 pmBillund

13h 10m

1 stop

ORD7:15 pmChicago O'Hare Intl

Nov 17

ORD9:50 pmChicago O'Hare Intl

15h 15m

1 stop

BLL8:05 pmBillund

$490

British Airways

Dec 2

BLL9:00 pmBillund

29h 30m

2 stops

STL7:30 pmLambert-St Louis

Dec 6

STL8:41 amLambert-St Louis

19h 29m

2 stops

BLL11:10 amBillund

$594

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 11/14

1:05 pm-6:45 pm

1 stop12h 40m

Chicago O'Hare Intl

Tue 11/17

12:02 pm-8:05 pm

2 stops25h 03m

$489

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 11/14

1:05 pm-7:15 pm

1 stop13h 10m

Chicago O'Hare Intl

Tue 11/17

9:50 pm-8:05 pm

1 stop15h 15m

$490

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 8/13

6:00 am-2:15 pm

1 stop15h 15m

Chicago O'Hare Intl

Tue 8/18

5:10 pm-10:25 pm

1 stop22h 15m

$570

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Wed 12/2

9:00 pm-7:30 pm

2 stops29h 30m

Lambert-St Louis

Sun 12/6

8:41 am-11:10 am

2 stops19h 29m

$594

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 8/20

6:00 am-2:15 pm

1 stop15h 15m

Chicago O'Hare Intl

Mon 8/24

5:10 pm-11:20 am

1 stop11h 10m

$599

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 8/13

6:00 am-2:15 pm

1 stop15h 15m

Chicago O'Hare Intl

Tue 8/18

6:45 pm-5:55 pm

2 stops16h 10m

$605

BillundChicago

BLL - MDW

BLLMDW

Billund

Thu 8/13

6:40 am-6:01 pm

2 stops18h 21m

Chicago Midway

Tue 8/18

1:51 pm-11:20 am

2 stops14h 29m

$612

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 8/13

6:40 am-6:20 pm

2 stops18h 40m

Chicago O'Hare Intl

Tue 8/18

6:25 pm-3:45 pm

2 stops14h 20m

$617

Quickest round-trip

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Wed 12/2

6:35 am-1:45 pm

1 stop14h 10m

Lambert-St Louis

Sun 12/6

3:40 pm-9:55 am

1 stop11h 15m

$648

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Wed 12/2

6:35 am-1:45 pm

1 stop14h 10m

Lambert-St Louis

Sun 12/6

3:40 pm-9:55 am

1 stop11h 15m

$649

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Billund 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 Billund is in August. Flight prices, which tend to average around $417, 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 August, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $443.

Can stopping save me money on Billund to Illinois flights?

You could potentially save up to 12% on your flight if you consider stops on a Billund to Illinois flight.

Cheap Billund to Illinois flight deals and tips

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

Fastest flight time	12h 00m
Direct flights	None

The fastest flight from Billund to Illinois takes 12h 00m

There are no direct flights from Billund to Illinois. There are no popular flight routes from Billund to Illinois.

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Frequently asked questions about flying from Billund to Illinois

When did momondo last update prices for flights from Billund Airport to Illinois?
Prices for flights from Billund Airport to Illinois were last updated today.
How old do you have to be to fly from Billund Airport to Illinois?
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 Billund Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois 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 Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

Finding the right flight to Illinois from Billund 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 Illinois quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Illinois from Billund with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Billund.

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

Yes momondo offers price alerts on flights to Illinois from Billund. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.