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.

$571 Cheap Flights from Billund to Illinois in 2026

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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.

6:00 am - 2:15 pm

BLL

ORD

15h 15m

1 stop

4:20 pm - 11:00 pm

ORD

BLL

23h 40m

1 stop

$622Multiple Airlines

Fri, May 22 - Tue, May 26

11:45 am - 2:15 pm

BLL

ORD

33h 30m

1 stop

4:20 pm - 1:30 pm

ORD

BLL

14h 10m

1 stop

$627Multiple Airlines

Thu, May 21 - Tue, May 26

6:00 am - 2:15 pm

BLL

ORD

15h 15m

1 stop

4:20 pm - 1:30 pm

ORD

BLL

14h 10m

1 stop

$628Air France

Fri, May 22 - Tue, May 26

6:00 am - 11:00 am

BLL

ORD

12h 00m

1 stop

6:30 pm - 6:00 pm

ORD

BLL

16h 30m

1 stop

$629Lufthansa

Thu, Jun 18 - Sun, Jun 21

6:00 am - 2:55 pm

BLL

ORD

15h 55m

1 stop

6:30 pm - 6:00 pm

ORD

BLL

16h 30m

1 stop

$630Lufthansa

Thu, Jun 18 - Sun, Jun 21

12:50 pm - 6:15 pm

BLL

ORD

12h 25m

1 stop

8:40 pm - 11:05 am

ORD

BLL

31h 25m

1 stop

$634British Airways

Thu, Sep 3 - Mon, Sep 7

12:50 pm - 6:15 pm

BLL

ORD

12h 25m

1 stop

8:40 pm - 11:05 am

ORD

BLL

31h 25m

1 stop

$635British Airways

Thu, Sep 3 - Mon, Sep 7

10:15 am - 2:15 pm

BLL

ORD

11h 00m

1 stop

12:30 pm - 9:35 am

ORD

BLL

14h 05m

2 stops

$647Delta

Thu, May 21 - Tue, May 26

6:00 am - 5:56 pm

BLL

MDW

18h 56m

2 stops

9:23 am - 9:35 am

MDW

BLL

17h 12m

2 stops

$653Delta

Thu, May 21 - Tue, May 26

6:00 am - 3:57 pm

BLL

STL

16h 57m

2 stops

3:42 pm - 1:40 pm

STL

BLL

14h 58m

2 stops

$668Air France

Fri, Sep 4 - Fri, Sep 25

Lufthansa flights from Billund to Illinois

Our best Lufthansa deals on Billund to Illinois flight tickets

Lufthansa

Jun 18

BLL6:00 amBillund

12h 00m

1 stop

ORD11:00 amChicago O'Hare Intl

Jun 21

ORD6:30 pmChicago O'Hare Intl

16h 30m

1 stop

BLL6:00 pmBillund

$629

Lufthansa

Jun 18

BLL6:00 amBillund

15h 55m

1 stop

ORD2:55 pmChicago O'Hare Intl

Jun 21

ORD6:30 pmChicago O'Hare Intl

16h 30m

1 stop

BLL6:00 pmBillund

$630

Lufthansa

Jun 18

BLL6:00 amBillund

12h 00m

1 stop

ORD11:00 amChicago O'Hare Intl

Jun 21

ORD3:10 pmChicago O'Hare Intl

12h 00m

1 stop

BLL10:10 amBillund

$633

British Airways flights from Billund to Illinois

Our best British Airways deals on Billund to Illinois flight tickets

British Airways

Sep 3

BLL12:50 pmBillund

12h 25m

1 stop

ORD6:15 pmChicago O'Hare Intl

Sep 7

ORD8:40 pmChicago O'Hare Intl

31h 25m

1 stop

BLL11:05 amBillund

$634

British Airways

Sep 3

BLL12:50 pmBillund

32h 00m

1 stop

ORD1:50 pmChicago O'Hare Intl

Sep 7

ORD5:28 pmChicago O'Hare Intl

14h 02m

2 stops

BLL2:30 pmBillund

$635

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BillundChicago

BLL - ORD

BLLORD

Billund

Fri 5/22

6:00 am-2:15 pm

1 stop15h 15m

Chicago O'Hare Intl

Tue 5/26

4:20 pm-11:00 pm

1 stop23h 40m

$622

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 5/21

11:45 am-2:15 pm

1 stop33h 30m

Chicago O'Hare Intl

Tue 5/26

4:20 pm-1:30 pm

1 stop14h 10m

$627

BillundChicago

BLL - ORD

BLLORD

Billund

Fri 5/22

6:00 am-2:15 pm

1 stop15h 15m

Chicago O'Hare Intl

Tue 5/26

4:20 pm-1:30 pm

1 stop14h 10m

$628

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 6/18

6:00 am-11:00 am

1 stop12h 00m

Chicago O'Hare Intl

Sun 6/21

6:30 pm-6:00 pm

1 stop16h 30m

$629

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 6/18

6:00 am-2:55 pm

1 stop15h 55m

Chicago O'Hare Intl

Sun 6/21

6:30 pm-6:00 pm

1 stop16h 30m

$630

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 9/3

12:50 pm-6:15 pm

1 stop12h 25m

Chicago O'Hare Intl

Mon 9/7

8:40 pm-11:05 am

1 stop31h 25m

$634

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 9/3

12:50 pm-6:15 pm

1 stop12h 25m

Chicago O'Hare Intl

Mon 9/7

8:40 pm-11:05 am

1 stop31h 25m

$635

Quickest round-trip

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 5/21

10:15 am-2:15 pm

1 stop11h 00m

Chicago O'Hare Intl

Tue 5/26

12:30 pm-9:35 am

2 stops14h 05m

$647

BillundChicago

BLL - MDW

BLLMDW

Billund

Thu 5/21

6:00 am-5:56 pm

2 stops18h 56m

Chicago Midway

Tue 5/26

9:23 am-9:35 am

2 stops17h 12m

$653

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Fri 9/4

6:00 am-3:57 pm

2 stops16h 57m

Lambert-St Louis

Fri 9/25

3:42 pm-1:40 pm

2 stops14h 58m

$668

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 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 December is also cheap. Prices for this month can be found on momondo for an average of $430.

How far in advance should I book a flight from Billund to Illinois?

You are more likely to see cheaper flights to Illinois from Billund when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $678 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Billund for as low as $509 on momondo.

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.

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.