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Cheap flights from Billund to Chicago from $491

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 10/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Billund to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
12:50 pm - 6:15 pm
BLL
-
ORD
12h 25m
1 stop
British Airways Logo
6:10 pm - 6:50 pm
ORD
-
BLL
18h 40m
1 stop
$491British Airways
Thu, Oct 22 - Mon, Oct 26
British Airways Logo
1:20 pm - 6:45 pm
BLL
-
ORD
12h 25m
1 stop
British Airways Logo
5:10 pm - 7:45 pm
ORD
-
BLL
19h 35m
1 stop
$507British Airways
Wed, Nov 11 - Sun, Nov 15
British Airways Logo
9:00 pm - 6:45 pm
BLL
-
ORD
28h 45m
1 stop
British Airways Logo
5:10 pm - 11:10 am
ORD
-
BLL
11h 00m
1 stop
$510British Airways
Wed, Nov 11 - Sun, Nov 15
British Airways Logo
12:50 pm - 12:35 pm
BLL
-
ORD
30h 45m
2 stops
British Airways Logo
6:10 pm - 6:50 pm
ORD
-
BLL
18h 40m
1 stop
$512British Airways
Thu, Oct 22 - Mon, Oct 26
British Airways Logo
12:30 pm - 6:15 pm
BLL
-
ORD
12h 45m
1 stop
British Airways Logo
9:15 pm - 8:25 pm
ORD
-
BLL
16h 10m
1 stop
$597British Airways
Sat, Sep 5 - Sat, Sep 12
Icelandair Logo
10:35 pm - 6:15 pm
BLL
-
ORD
26h 40m
1 stop
Icelandair Logo
10:25 pm - 9:15 pm
ORD
-
BLL
15h 50m
1 stop
$609Icelandair
Sun, Jun 14 - Sat, Jun 20
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
$610Air France
Fri, May 29 - Tue, Jun 2
Multiple Airlines Logo
6:00 am - 2:15 pm
BLL
-
ORD
15h 15m
1 stop
Multiple Airlines Logo
4:50 pm - 11:00 pm
ORD
-
BLL
23h 10m
1 stop
$613Multiple Airlines
Sat, May 30 - Wed, Jun 3
Icelandair Logo
10:35 pm - 6:15 pm
BLL
-
ORD
26h 40m
1 stop
Icelandair Logo
10:25 pm - 9:15 pm
ORD
-
BLL
15h 50m
1 stop
$617Icelandair
Sun, Jun 14 - Sat, Jun 20
Lufthansa Logo
6:00 am - 11:00 am
BLL
-
ORD
12h 00m
1 stop
Lufthansa Logo
6:30 pm - 6:00 pm
ORD
-
BLL
16h 30m
1 stop
$620Lufthansa
Thu, Jun 18 - Sun, Jun 21

Icelandair flights from Billund to Chicago

Our best Icelandair deals on Billund to Chicago flight tickets
Icelandair
Jun 14
BLL10:35 pmBillund
26h 40m
1 stop
ORD6:15 pmChicago O'Hare Intl
Jun 20
ORD10:25 pmChicago O'Hare Intl
15h 50m
1 stop
BLL9:15 pmBillund
$609
Icelandair
Jun 14
BLL10:35 pmBillund
26h 40m
1 stop
ORD6:15 pmChicago O'Hare Intl
Jun 20
ORD10:25 pmChicago O'Hare Intl
15h 50m
1 stop
BLL9:15 pmBillund
$617

Air France flights from Billund to Chicago

Our best Air France deals on Billund to Chicago flight tickets
Air France
May 29
BLL6:00 amBillund
15h 15m
1 stop
ORD2:15 pmChicago O'Hare Intl
Jun 2
ORD5:10 pmChicago O'Hare Intl
11h 10m
1 stop
BLL11:20 amBillund
$610
Air France
May 28
BLL12:00 pmBillund
16h 53m
2 stops
ORD9:53 pmChicago O'Hare Intl
Jun 2
ORD5:10 pmChicago O'Hare Intl
11h 10m
1 stop
BLL11:20 amBillund
$655
Air France
May 28
BLL12:00 pmBillund
16h 53m
2 stops
ORD9:53 pmChicago O'Hare Intl
Jun 2
ORD5:41 pmChicago O'Hare Intl
12h 49m
2 stops
BLL1:30 pmBillund
$757

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 May 19, 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

Thu 10/22

12:50 pm-6:15 pm

1 stop12h 25m

Chicago O'Hare Intl

Mon 10/26

6:10 pm-6:50 pm

1 stop18h 40m

$491

BillundChicago

BLL - ORD

BLLORD

Billund

Wed 11/11

1:20 pm-6:45 pm

1 stop12h 25m

Chicago O'Hare Intl

Sun 11/15

5:10 pm-7:45 pm

1 stop19h 35m

$507

BillundChicago

BLL - ORD

BLLORD

Billund

Wed 11/11

9:00 pm-6:45 pm

1 stop28h 45m

Chicago O'Hare Intl

Sun 11/15

5:10 pm-11:10 am

1 stop11h 00m

$510

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 10/22

12:50 pm-12:35 pm

2 stops30h 45m

Chicago O'Hare Intl

Mon 10/26

6:10 pm-6:50 pm

1 stop18h 40m

$512

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 9/5

12:30 pm-6:15 pm

1 stop12h 45m

Chicago O'Hare Intl

Sat 9/12

9:15 pm-8:25 pm

1 stop16h 10m

$597

BillundChicago

BLL - ORD

BLLORD

Billund

Sun 6/14

10:35 pm-6:15 pm

1 stop26h 40m

Chicago O'Hare Intl

Sat 6/20

10:25 pm-9:15 pm

1 stop15h 50m

$609
Quickest round-trip

BillundChicago

BLL - ORD

BLLORD

Billund

Fri 5/29

6:00 am-2:15 pm

1 stop15h 15m

Chicago O'Hare Intl

Tue 6/2

5:10 pm-11:20 am

1 stop11h 10m

$610

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 5/30

6:00 am-2:15 pm

1 stop15h 15m

Chicago O'Hare Intl

Wed 6/3

4:50 pm-11:00 pm

1 stop23h 10m

$613

BillundChicago

BLL - ORD

BLLORD

Billund

Sun 6/14

10:35 pm-6:15 pm

1 stop26h 40m

Chicago O'Hare Intl

Sat 6/20

10:25 pm-9:15 pm

1 stop15h 50m

$617

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

$620

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 December is your next best option. Flight prices from Billund to Chicago during December average around $430.

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

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

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 00m

Direct flights

None
The fastest flight from Billund to Chicago takes 12h 00m
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 00m, 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
Saint Joseph
Benton Harbor
Portage
Lansing
Valparaiso
Munster
Schererville
Crown Point
Chesterton
Monticello
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