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Cheap flights from Billund to Chicago from $490

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 Chicago departing on 11/14. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Billund to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
1:05 pm - 6:45 pm
BLL
-
ORD
12h 40m
1 stop
British Airways Logo
8:40 pm - 8:05 pm
ORD
-
BLL
16h 25m
1 stop
$490British Airways
Sat, Nov 14 - Tue, Nov 17
British Airways Logo
1:05 pm - 6:45 pm
BLL
-
ORD
12h 40m
1 stop
British Airways Logo
10:05 am - 12:30 pm
ORD
-
BLL
19h 25m
2 stops
$491British Airways
Sat, Nov 14 - Tue, Nov 17
Air France Logo
6:00 am - 2:15 pm
BLL
-
ORD
15h 15m
1 stop
Air France Logo
5:10 pm - 11:20 am
ORD
-
BLL
11h 10m
1 stop
$599Air France
Thu, Aug 20 - Mon, Aug 24
Air France Logo
6:00 am - 2:15 pm
BLL
-
ORD
15h 15m
1 stop
Air France Logo
5:10 pm - 10:25 pm
ORD
-
BLL
22h 15m
1 stop
$601Air France
Sat, Aug 22 - Wed, Aug 26
KLM Logo
10:15 am - 2:15 pm
BLL
-
ORD
11h 00m
1 stop
KLM Logo
4:50 pm - 1:30 pm
ORD
-
BLL
13h 40m
1 stop
$603KLM
Thu, Aug 20 - Mon, Aug 24
KLM Logo
10:15 am - 6:01 pm
BLL
-
MDW
14h 46m
2 stops
KLM Logo
1:25 pm - 9:35 am
MDW
-
BLL
13h 10m
2 stops
$608KLM
Thu, Aug 20 - Mon, Aug 24
Lufthansa Logo
6:00 am - 12:55 pm
BLL
-
ORD
13h 55m
1 stop
Lufthansa Logo
10:30 pm - 6:30 pm
ORD
-
BLL
13h 00m
1 stop
$611Lufthansa
Thu, Aug 20 - Mon, Aug 24
Delta Logo
6:00 am - 2:15 pm
BLL
-
ORD
15h 15m
1 stop
Delta Logo
5:10 pm - 11:20 am
ORD
-
BLL
11h 10m
1 stop
$628Delta
Thu, Aug 20 - Mon, Aug 24
Delta Logo
10:15 am - 2:15 pm
BLL
-
ORD
11h 00m
1 stop
Delta Logo
3:19 pm - 1:30 pm
ORD
-
BLL
15h 11m
2 stops
$632Delta
Thu, Aug 20 - Mon, Aug 24
Delta Logo
10:15 am - 2:15 pm
BLL
-
ORD
11h 00m
1 stop
Delta Logo
10:30 am - 9:35 am
ORD
-
BLL
16h 05m
2 stops
$633Delta
Thu, Aug 20 - Mon, Aug 24

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Lufthansa flights from Billund to Chicago

Our best Lufthansa deals on Billund to Chicago flight tickets
Lufthansa
Aug 20
BLL6:00 amBillund
13h 55m
1 stop
ORD12:55 pmChicago O'Hare Intl
Aug 24
ORD10:30 pmChicago O'Hare Intl
13h 00m
1 stop
BLL6:30 pmBillund
$611
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
15h 55m
1 stop
ORD2:55 pmChicago O'Hare Intl
Aug 27
ORD4:05 pmChicago O'Hare Intl
19h 10m
1 stop
BLL6:15 pmBillund
$679

United Airlines flights from Billund to Chicago

Our best United Airlines deals on Billund to Chicago flight tickets
United Airlines
Aug 20
BLL6:00 amBillund
12h 00m
1 stop
ORD11:00 amChicago O'Hare Intl
Aug 24
ORD6:30 pmChicago O'Hare Intl
12h 40m
1 stop
BLL2:10 pmBillund
$650
United Airlines
Aug 20
BLL6:00 amBillund
15h 44m
2 stops
ORD2:44 pmChicago O'Hare Intl
Aug 24
ORD6:30 pmChicago O'Hare Intl
12h 40m
1 stop
BLL2:10 pmBillund
$654
United Airlines
Aug 20
BLL6:00 amBillund
21h 05m
2 stops
ORD8:05 pmChicago O'Hare Intl
Aug 24
ORD4:05 pmChicago O'Hare Intl
11h 00m
1 stop
BLL10:05 amBillund
$655

momondo Fare Finder

 
Customize your flight search to find flights from Billund to Chicago 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 July 2, 2026.
Use the filters below to find and compare flights from Billund to Chicago that are best for you.

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

8:40 pm-8:05 pm

1 stop16h 25m

$490

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 11/14

1:05 pm-6:45 pm

1 stop12h 40m

Chicago O'Hare Intl

Tue 11/17

10:05 am-12:30 pm

2 stops19h 25m

$491

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

Sat 8/22

6:00 am-2:15 pm

1 stop15h 15m

Chicago O'Hare Intl

Wed 8/26

5:10 pm-10:25 pm

1 stop22h 15m

$601
Quickest round-trip

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 8/20

10:15 am-2:15 pm

1 stop11h 00m

Chicago O'Hare Intl

Mon 8/24

4:50 pm-1:30 pm

1 stop13h 40m

$603

BillundChicago

BLL - MDW

BLLMDW

Billund

Thu 8/20

10:15 am-6:01 pm

2 stops14h 46m

Chicago Midway

Mon 8/24

1:25 pm-9:35 am

2 stops13h 10m

$608

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 8/20

6:00 am-12:55 pm

1 stop13h 55m

Chicago O'Hare Intl

Mon 8/24

10:30 pm-6:30 pm

1 stop13h 00m

$611

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

$628

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 8/20

10:15 am-2:15 pm

1 stop11h 00m

Chicago O'Hare Intl

Mon 8/24

3:19 pm-1:30 pm

2 stops15h 11m

$632

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 8/20

10:15 am-2:15 pm

1 stop11h 00m

Chicago O'Hare Intl

Mon 8/24

10:30 am-9:35 am

2 stops16h 05m

$633

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Chicago from

How to get the cheapest flight ticket from Billund to Chicago

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 typical price of a round-trip flight between Billund and Chicago?

What is the cheapest month to fly to Chicago?

The month of August is, on average, the cheapest month to fly to Chicago from Billund, with most prices found around $417. If you’re not able to fly to Chicago in August, then October is your next best option. Flight prices from Billund to Chicago during October average around $443.

Can stopping save me money on Billund to Chicago flights?

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

When to book flights from Billund to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Billund to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Billund to Chicago (BLL to CHI) flight deals and tips

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

Fastest flight time

12h 40m

Direct flights

None
The fastest flight from Billund to Chicago takes 12h 40m
There are no direct flights from Billund to Chicago. There are no popular flight routes from Billund to Chicago.
Search flight deals

Frequently asked questions about flying from Billund to Chicago

  • How far is Billund to Chicago by plane?

    The straight-line distance from Billund to Chicago is 4131.8 mi. Flights usually cover this in 12h 40m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Billund Airport to Chicago refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Billund Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

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

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Portage
Benton Harbor
Saint Joseph
Lansing
Valparaiso
Schererville
Munster
Crown Point
Monticello
Chesterton
Porter
Griffith
Saint John

Why use momondo?

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

It is quick and easy to find Billund to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

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

Yes. All flights to Chicago from Billund on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Chicago from Billund. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Billund to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport