What is the cheapest airline that flies from Billund to Illinois?

Lufthansa is the most popular carrier operating 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.

$494 Cheap Flights from Billund to Illinois in 2026

Find the cheapest flights from Billund to Illinois

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:50 pm - 1:50 pmBLL Billund-ORD Chicago O'Hare Intl

23h 00m1 stop London Heathrow

10:50 pm - 7:55 pmORD Chicago O'Hare Intl-BLL Billund

15h 05m1 stop London Heathrow

$605British Airways

Wed, Sep 16 - Sat, Oct 24

9:50 pm - 1:50 pmBLL Billund-ORD Chicago O'Hare Intl

23h 00m1 stop London Heathrow

10:50 pm - 7:55 pmORD Chicago O'Hare Intl-BLL Billund

15h 05m1 stop London Heathrow

$606British Airways

Wed, Sep 16 - Sat, Oct 24

6:00 am - 12:55 pmBLL Billund-ORD Chicago O'Hare Intl

13h 55m1 stop Frankfurt am Main

11:15 pm - 11:25 pmORD Chicago O'Hare Intl-BLL Billund

18h 10m1 stop Frankfurt am Main

$636Lufthansa

Wed, Sep 16 - Sat, Oct 24

6:00 am - 8:12 pmBLL Billund-ORD Chicago O'Hare Intl

21h 12m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

9:50 am - 10:50 amORD Chicago O'Hare Intl-BLL Billund

18h 00m2 stops Toronto Pearson Intl Frankfurt am Main

$646Air Canada

Wed, Sep 16 - Sat, Oct 24

6:00 am - 8:12 pmBLL Billund-ORD Chicago O'Hare Intl

21h 12m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

9:50 am - 10:50 amORD Chicago O'Hare Intl-BLL Billund

18h 00m2 stops Toronto Pearson Intl Frankfurt am Main

$653Air Canada

Wed, Sep 16 - Sat, Oct 24

6:45 pm - 2:15 pmBLL Billund-ORD Chicago O'Hare Intl

26h 30m1 stop Amsterdam Schiphol

1:55 pm - 10:35 amORD Chicago O'Hare Intl-BLL Billund

13h 40m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

$653KLM

Wed, Sep 16 - Sat, Oct 24

6:00 am - 5:06 pmBLL Billund-STL Lambert-St Louis

18h 06m2 stops Frankfurt am Main Chicago O'Hare Intl

3:30 pm - 10:05 amSTL Lambert-St Louis-BLL Billund

11h 35m1 stop Frankfurt am Main

$656Lufthansa

Thu, Aug 27 - Mon, Aug 31

6:00 am - 9:17 pmBLL Billund-STL Lambert-St Louis

22h 17m2 stops Frankfurt am Main Chicago O'Hare Intl

8:40 am - 10:05 amSTL Lambert-St Louis-BLL Billund

18h 25m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

$656Lufthansa

Thu, Aug 27 - Mon, Aug 31

6:00 am - 8:12 pmBLL Billund-ORD Chicago O'Hare Intl

21h 12m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

9:50 am - 10:50 amORD Chicago O'Hare Intl-BLL Billund

18h 00m2 stops Toronto Pearson Intl Frankfurt am Main

$656Air Canada

Wed, Sep 16 - Sat, Oct 24

2:20 pm - 2:15 pmBLL Billund-ORD Chicago O'Hare Intl

30h 55m1 stop Amsterdam Schiphol

1:55 pm - 10:35 amORD Chicago O'Hare Intl-BLL Billund

13h 40m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

$660Multiple Airlines

Wed, Sep 16 - Sat, Oct 24

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Lufthansa flights from Billund to Illinois

Our best Lufthansa deals on Billund to Illinois flight tickets

Lufthansa

Sep 16

BLL6:00 amBillund

13h 55m

1 stop

ORD12:55 pmChicago O'Hare Intl

Oct 24

ORD11:15 pmChicago O'Hare Intl

18h 10m

1 stop

BLL11:25 pmBillund

$636

Lufthansa

Aug 27

BLL6:00 amBillund

18h 06m

2 stops

STL5:06 pmLambert-St Louis

Aug 31

STL3:30 pmLambert-St Louis

11h 35m

1 stop

BLL10:05 amBillund

$656

Lufthansa

Aug 27

BLL6:00 amBillund

12h 00m

1 stop

ORD11:00 amChicago O'Hare Intl

Aug 31

ORD6:30 pmChicago O'Hare Intl

12h 40m

1 stop

BLL2:10 pmBillund

$675

Air Canada flights from Billund to Illinois

Our best Air Canada deals on Billund to Illinois flight tickets

Air Canada

Sep 16

BLL6:00 amBillund

21h 12m

2 stops

ORD8:12 pmChicago O'Hare Intl

Oct 24

ORD9:50 amChicago O'Hare Intl

18h 00m

2 stops

BLL10:50 amBillund

$646

Air Canada

Sep 16

BLL6:00 amBillund

21h 12m

2 stops

ORD8:12 pmChicago O'Hare Intl

Oct 24

ORD9:50 amChicago O'Hare Intl

18h 00m

2 stops

BLL10:50 amBillund

$653

Air Canada

Sep 16

BLL6:00 amBillund

21h 12m

2 stops

ORD8:12 pmChicago O'Hare Intl

Oct 24

ORD9:50 amChicago O'Hare Intl

18h 00m

2 stops

BLL10:50 amBillund

$656

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BillundChicago

BLL Billund - ORD Chicago O'Hare Intl

BLLORD

Billund

Wed 9/16

9:50 pm-1:50 pm

1 stop23h 00m

Chicago O'Hare Intl

Sat 10/24

10:50 pm-7:55 pm

1 stop15h 05m

$605

BillundChicago

BLL Billund - ORD Chicago O'Hare Intl

BLLORD

Billund

Wed 9/16

9:50 pm-1:50 pm

1 stop23h 00m

Chicago O'Hare Intl

Sat 10/24

10:50 pm-7:55 pm

1 stop15h 05m

$606

BillundChicago

BLL Billund - ORD Chicago O'Hare Intl

BLLORD

Billund

Wed 9/16

6:00 am-12:55 pm

1 stop13h 55m

Chicago O'Hare Intl

Sat 10/24

11:15 pm-11:25 pm

1 stop18h 10m

$636

BillundChicago

BLL Billund - ORD Chicago O'Hare Intl

BLLORD

Billund

Wed 9/16

6:00 am-8:12 pm

2 stops21h 12m

Chicago O'Hare Intl

Sat 10/24

9:50 am-10:50 am

2 stops18h 00m

$646

BillundChicago

BLL Billund - ORD Chicago O'Hare Intl

BLLORD

Billund

Wed 9/16

6:00 am-8:12 pm

2 stops21h 12m

Chicago O'Hare Intl

Sat 10/24

9:50 am-10:50 am

2 stops18h 00m

$653

BillundChicago

BLL Billund - ORD Chicago O'Hare Intl

BLLORD

Billund

Wed 9/16

6:45 pm-2:15 pm

1 stop26h 30m

Chicago O'Hare Intl

Sat 10/24

1:55 pm-10:35 am

2 stops13h 40m

$653

Quickest round-trip

BillundSt. Louis

BLL Billund - STL Lambert-St Louis

BLLSTL

Billund

Thu 8/27

6:00 am-5:06 pm

2 stops18h 06m

Lambert-St Louis

Mon 8/31

3:30 pm-10:05 am

1 stop11h 35m

$656

BillundSt. Louis

BLL Billund - STL Lambert-St Louis

BLLSTL

Billund

Thu 8/27

6:00 am-9:17 pm

2 stops22h 17m

Lambert-St Louis

Mon 8/31

8:40 am-10:05 am

2 stops18h 25m

$656

BillundChicago

BLL Billund - ORD Chicago O'Hare Intl

BLLORD

Billund

Wed 9/16

6:00 am-8:12 pm

2 stops21h 12m

Chicago O'Hare Intl

Sat 10/24

9:50 am-10:50 am

2 stops18h 00m

$656

BillundChicago

BLL Billund - ORD Chicago O'Hare Intl

BLLORD

Billund

Wed 9/16

2:20 pm-2:15 pm

1 stop30h 55m

Chicago O'Hare Intl

Sat 10/24

1:55 pm-10:35 am

2 stops13h 40m

$660

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted 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

Prices

Airlines

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Billund is in January. Flight prices, which tend to average around $521, 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 January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $548.

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	13h 55m
Direct flights	None

The fastest flight from Billund to Illinois takes 13h 55m

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

Search flight deals

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.