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Cheap flights from Billund to Illinois from $504

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Billund to Illinois departing on 11/8. 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 Billund to Illinois

Cheap round-trip flights

British Airways Logo
1:05 pm - 6:45 pmBLL-ORD
12h 40m1 stop
British Airways Logo
11:48 am - 12:10 pmORD-BLL
17h 22m2 stops
$504British Airways
Find Deal
Sat, Nov 8 - Wed, Nov 12
British Airways Logo
1:00 pm - 1:29 pmBLL-STL
31h 29m2 stops
British Airways Logo
7:36 pm - 12:30 pmSTL-BLL
33h 54m2 stops
$509British Airways
Find Deal
Thu, Dec 4 - Mon, Dec 8
Air France Logo
10:25 am - 6:25 pmBLL-MDW
15h 00m2 stops
Air France Logo
1:47 pm - 11:20 amMDW-BLL
14h 33m2 stops
$528Air France
Find Deal
Sat, Nov 8 - Wed, Nov 12
Air Canada Logo
10:35 am - 7:30 pmBLL-ORD
15h 55m2 stops
Air Canada Logo
11:15 am - 10:00 amORD-BLL
15h 45m2 stops
$543Air Canada
Find Deal
Sat, Nov 8 - Wed, Nov 12
Lufthansa Logo
2:00 pm - 1:55 pmBLL-STL
30h 55m1 stop
Lufthansa Logo
1:00 pm - 9:40 amSTL-BLL
13h 40m2 stops
$552Lufthansa
Find Deal
Thu, Dec 4 - Mon, Dec 8
United Airlines Logo
6:45 am - 1:10 pmBLL-ORD
13h 25m1 stop
United Airlines Logo
1:00 pm - 10:00 amORD-BLL
14h 00m2 stops
$554United Airlines
Find Deal
Sat, Nov 8 - Wed, Nov 12
United Airlines Logo
2:15 pm - 11:43 pmBLL-ORD
16h 28m2 stops
United Airlines Logo
1:00 pm - 10:00 amORD-BLL
14h 00m2 stops
$560United Airlines
Find Deal
Sat, Nov 8 - Wed, Nov 12
Air France Logo
6:35 pm - 2:10 pmBLL-ORD
26h 35m1 stop
Air France Logo
5:10 pm - 10:25 pmORD-BLL
22h 15m1 stop
$628Air France
Find Deal
Mon, Sep 29 - Tue, May 5
Lufthansa Logo
10:45 am - 11:57 pmBLL-STL
20h 12m2 stops
Lufthansa Logo
5:28 pm - 12:25 pmSTL-BLL
35h 57m2 stops
$659Lufthansa
Find Deal
Fri, Oct 10 - Mon, Oct 20
Air Canada Logo
6:00 am - 8:01 amBLL-ORD
33h 01m2 stops
Air Canada Logo
10:40 am - 2:00 pmORD-BLL
20h 20m2 stops
$775Air Canada
Find Deal
Fri, Oct 3 - Tue, Oct 7

British Airways flights from Billund to Illinois

Our best British Airways deals on Billund to Illinois flight tickets
British Airways
Nov 8
BLL1:05 pmBillund
12h 40m
1 stop
ORD6:45 pmChicago O'Hare Intl
Nov 12
ORD11:48 amChicago O'Hare Intl
17h 22m
2 stops
BLL12:10 pmBillund
$504
Find similar
British Airways
Dec 4
BLL1:00 pmBillund
31h 29m
2 stops
STL1:29 pmLambert-St Louis
Dec 8
STL7:36 pmLambert-St Louis
33h 54m
2 stops
BLL12:30 pmBillund
$509
Find similar
British Airways
Dec 4
BLL8:40 pmBillund
34h 19m
2 stops
STL11:59 pmLambert-St Louis
Dec 8
STL1:59 pmLambert-St Louis
15h 21m
2 stops
BLL12:20 pmBillund
$535
Find similar

Air Canada flights from Billund to Illinois

Our best Air Canada deals on Billund to Illinois flight tickets
Air Canada
Nov 8
BLL10:35 amBillund
15h 55m
2 stops
ORD7:30 pmChicago O'Hare Intl
Nov 12
ORD11:15 amChicago O'Hare Intl
15h 45m
2 stops
BLL10:00 amBillund
$543
Find similar
Air Canada
Oct 3
BLL6:00 amBillund
33h 01m
2 stops
ORD8:01 amChicago O'Hare Intl
Oct 7
ORD10:40 amChicago O'Hare Intl
20h 20m
2 stops
BLL2:00 pmBillund
$775
Find similar
Air Canada
Sep 28
BLL6:00 amBillund
45h 04m
2 stops
ORD8:04 pmChicago O'Hare Intl
May 4
ORD7:35 pmChicago O'Hare Intl
35h 25m
2 stops
BLL2:00 pmBillund
$776
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Billund to Illinois 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 17, 2025.
Use the filters below to find and compare flights from Billund to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 11/8

1:05 pm-6:45 pm

1 stop12h 40m

Chicago O'Hare Intl

Wed 11/12

11:48 am-12:10 pm

2 stops17h 22m

$504

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Thu 12/4

1:00 pm-1:29 pm

2 stops31h 29m

Lambert-St Louis

Mon 12/8

7:36 pm-12:30 pm

2 stops33h 54m

$509

BillundChicago

BLL - MDW

BLLMDW

Billund

Sat 11/8

10:25 am-6:25 pm

2 stops15h 00m

Chicago Midway

Wed 11/12

1:47 pm-11:20 am

2 stops14h 33m

$528

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 11/8

10:35 am-7:30 pm

2 stops15h 55m

Chicago O'Hare Intl

Wed 11/12

11:15 am-10:00 am

2 stops15h 45m

$543

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Thu 12/4

2:00 pm-1:55 pm

1 stop30h 55m

Lambert-St Louis

Mon 12/8

1:00 pm-9:40 am

2 stops13h 40m

$552

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 11/8

6:45 am-1:10 pm

1 stop13h 25m

Chicago O'Hare Intl

Wed 11/12

1:00 pm-10:00 am

2 stops14h 00m

$554

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 11/8

2:15 pm-11:43 pm

2 stops16h 28m

Chicago O'Hare Intl

Wed 11/12

1:00 pm-10:00 am

2 stops14h 00m

$560

BillundChicago

BLL - ORD

BLLORD

Billund

Mon 9/29

6:35 pm-2:10 pm

1 stop26h 35m

Chicago O'Hare Intl

Tue 5/5

5:10 pm-10:25 pm

1 stop22h 15m

$628

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Fri 10/10

10:45 am-11:57 pm

2 stops20h 12m

Lambert-St Louis

Mon 10/20

5:28 pm-12:25 pm

2 stops35h 57m

$659

BillundChicago

BLL - ORD

BLLORD

Billund

Fri 10/3

6:00 am-8:01 am

2 stops33h 01m

Chicago O'Hare Intl

Tue 10/7

10:40 am-2:00 pm

2 stops20h 20m

$775

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Illinois from

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 February. Flight prices, which tend to average around $464, 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 February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $472.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Billund to Illinois is on a Tuesday when prices can be found for as low as $408. Flights from Billund to Illinois on a Saturday will generally be more expensive and average around $850. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Billund to Illinois during this time can be as low as $564. Flights at noon are often more expensive with an average ticket price of $595.

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 $662 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 $554 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

Direct flights

None
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?

  • 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
LufthansaPriceFrom $530Free CancellationRating
6.8
7,409 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.

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