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

As of March 2026, there is 1 operator available to choose from for flights from Billund Airport to Illinois.

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.

$495 Cheap Flights from Billund to Illinois in 2026

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0 bags

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Find the cheapest flights from Billund to Illinois

Round-trip

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:30 pm - 6:15 pm

BLL

ORD

12h 45m

1 stop

9:15 pm - 4:20 pm

ORD

BLL

12h 05m

1 stop

$495British Airways

Sat, Apr 25 - Wed, Apr 29

12:30 pm - 6:15 pm

BLL

ORD

12h 45m

1 stop

4:36 pm - 4:20 pm

ORD

BLL

16h 44m

2 stops

$506British Airways

Sat, Apr 25 - Wed, Apr 29

12:30 pm - 3:55 pm

BLL

ORD

34h 25m

1 stop

7:05 pm - 4:20 pm

ORD

BLL

14h 15m

1 stop

$514British Airways

Sat, Apr 25 - Wed, Apr 29

12:30 pm - 6:15 pm

BLL

ORD

12h 45m

1 stop

7:05 pm - 4:20 pm

ORD

BLL

14h 15m

1 stop

$524British Airways

Sat, Apr 25 - Wed, Apr 29

6:00 am - 4:42 pm

BLL

ORD

17h 42m

2 stops

3:30 pm - 1:30 pm

ORD

BLL

15h 00m

2 stops

$568Delta

Sat, Apr 25 - Wed, Apr 29

6:00 am - 5:58 pm

BLL

MDW

18h 58m

2 stops

9:29 am - 9:35 am

MDW

BLL

17h 06m

2 stops

$568Delta

Sat, Apr 25 - Wed, Apr 29

6:00 am - 7:55 pm

BLL

ORD

20h 55m

1 stop

4:05 pm - 10:05 am

ORD

BLL

11h 00m

1 stop

$590Lufthansa

Thu, May 7 - Mon, May 11

6:00 am - 1:25 pm

BLL

STL

14h 25m

1 stop

1:10 pm - 2:20 pm

STL

BLL

18h 10m

2 stops

$594Lufthansa

Fri, Apr 10 - Tue, Apr 14

6:00 am - 2:15 pm

BLL

ORD

15h 15m

1 stop

12:14 pm - 9:35 am

ORD

BLL

14h 21m

2 stops

$600Multiple Airlines

Sat, Apr 25 - Wed, Apr 29

11:45 am - 6:33 pm

BLL

MDW

13h 48m

2 stops

1:22 pm - 9:35 am

MDW

BLL

13h 13m

2 stops

$616KLM

Thu, May 7 - Mon, May 11

Lufthansa flights from Billund to Illinois

Our best Lufthansa deals on Billund to Illinois flight tickets

Lufthansa

May 7

BLL6:00 amBillund

20h 55m

1 stop

ORD7:55 pmChicago O'Hare Intl

May 11

ORD4:05 pmChicago O'Hare Intl

11h 00m

1 stop

BLL10:05 amBillund

$590

Lufthansa

Apr 10

BLL6:00 amBillund

14h 25m

1 stop

STL1:25 pmLambert-St Louis

Apr 14

STL1:10 pmLambert-St Louis

18h 10m

2 stops

BLL2:20 pmBillund

$594

Lufthansa

Apr 10

BLL10:40 amBillund

19h 31m

2 stops

STL11:11 pmLambert-St Louis

Apr 14

STL1:10 pmLambert-St Louis

18h 10m

2 stops

BLL2:20 pmBillund

$599

Finnair flights from Billund to Illinois

Our best Finnair deals on Billund to Illinois flight tickets

Finnair

Jun 18

BLL2:35 pmBillund

30h 15m

2 stops

ORD1:50 pmChicago O'Hare Intl

Jun 21

ORD9:15 pmChicago O'Hare Intl

33h 35m

2 stops

BLL1:50 pmBillund

$797

Finnair

Jun 18

BLL2:35 pmBillund

30h 15m

2 stops

ORD1:50 pmChicago O'Hare Intl

Jun 21

ORD9:15 pmChicago O'Hare Intl

33h 35m

2 stops

BLL1:50 pmBillund

$807

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 4/25

12:30 pm-6:15 pm

1 stop12h 45m

Chicago O'Hare Intl

Wed 4/29

9:15 pm-4:20 pm

1 stop12h 05m

$495

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 4/25

12:30 pm-6:15 pm

1 stop12h 45m

Chicago O'Hare Intl

Wed 4/29

4:36 pm-4:20 pm

2 stops16h 44m

$506

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 4/25

12:30 pm-3:55 pm

1 stop34h 25m

Chicago O'Hare Intl

Wed 4/29

7:05 pm-4:20 pm

1 stop14h 15m

$514

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 4/25

12:30 pm-6:15 pm

1 stop12h 45m

Chicago O'Hare Intl

Wed 4/29

7:05 pm-4:20 pm

1 stop14h 15m

$524

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 4/25

6:00 am-4:42 pm

2 stops17h 42m

Chicago O'Hare Intl

Wed 4/29

3:30 pm-1:30 pm

2 stops15h 00m

$568

BillundChicago

BLL - MDW

BLLMDW

Billund

Sat 4/25

6:00 am-5:58 pm

2 stops18h 58m

Chicago Midway

Wed 4/29

9:29 am-9:35 am

2 stops17h 06m

$568

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 5/7

6:00 am-7:55 pm

1 stop20h 55m

Chicago O'Hare Intl

Mon 5/11

4:05 pm-10:05 am

1 stop11h 00m

$590

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Fri 4/10

6:00 am-1:25 pm

1 stop14h 25m

Lambert-St Louis

Tue 4/14

1:10 pm-2:20 pm

2 stops18h 10m

$594

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 4/25

6:00 am-2:15 pm

1 stop15h 15m

Chicago O'Hare Intl

Wed 4/29

12:14 pm-9:35 am

2 stops14h 21m

$600

BillundChicago

BLL - MDW

BLLMDW

Billund

Thu 5/7

11:45 am-6:33 pm

2 stops13h 48m

Chicago Midway

Mon 5/11

1:22 pm-9:35 am

2 stops13h 13m

$616

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 January. Flight prices, which tend to average around $525, 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 April is also cheap. Prices for this month can be found on momondo for an average of $537.

How far in advance should I book a flight 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 $666 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 $504 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	10h 55m
Direct flights	None

The fastest flight from Billund to Illinois takes 10h 55m

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

Search flight deals

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 many operators does momondo search for flights from Billund Airport to Illinois?
As of March 2026, there is 1 operator available to choose from for flights from Billund Airport to Illinois.
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.

Best airlines flying from Billund to Illinois

Compare and see reviews for airlines that fly from Billund to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $530	Free Cancellation	Rating 6.8 7,871 reviews		Search Lufthansa flights

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.