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Cheap flights from Chicago O'Hare Intl Airport to Billund from $505

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Billund departing on 8/27. 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 Chicago O'Hare Intl Airport to Billund

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
4:20 pm - 6:20 pmORD  Chicago O'Hare Intl-BLL Billund
19h 00m1 stop Frankfurt am Main
Lufthansa Logo
6:35 am - 1:10 pmBLL  Billund-ORD Chicago O'Hare Intl
13h 35m1 stop Frankfurt am Main
$744Lufthansa
Wed, Nov 4 - Sun, Nov 8
Multiple Airlines Logo
7:05 am - 9:50 amORD  Chicago O'Hare Intl-BLL Billund
19h 45m2 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main
Multiple Airlines Logo
6:35 am - 1:10 pmBLL  Billund-ORD Chicago O'Hare Intl
13h 35m1 stop Frankfurt am Main
$746Multiple Airlines
Wed, Nov 4 - Sun, Nov 8
Multiple Airlines Logo
12:50 pm - 9:50 amORD  Chicago O'Hare Intl-BLL Billund
14h 00m2 stops Toronto Pearson Intl Frankfurt am Main
Multiple Airlines Logo
10:30 am - 7:58 pmBLL  Billund-ORD Chicago O'Hare Intl
16h 28m2 stops Frankfurt am Main Toronto Pearson Intl
$754Multiple Airlines
Wed, Nov 4 - Sun, Nov 8
United Airlines Logo
6:05 pm - 6:20 pmORD  Chicago O'Hare Intl-BLL Billund
17h 15m1 stop Frankfurt am Main
United Airlines Logo
10:30 am - 3:20 pmBLL  Billund-ORD Chicago O'Hare Intl
11h 50m1 stop Frankfurt am Main
$765United Airlines
Mon, Jan 25 - Fri, Jan 29
United Airlines Logo
10:45 am - 6:20 pmORD  Chicago O'Hare Intl-BLL Billund
24h 35m2 stops Newark Frankfurt am Main
United Airlines Logo
6:35 am - 1:10 pmBLL  Billund-ORD Chicago O'Hare Intl
13h 35m1 stop Frankfurt am Main
$770United Airlines
Mon, Jan 25 - Fri, Jan 29
Lufthansa Logo
10:30 pm - 5:50 pmORD  Chicago O'Hare Intl-BLL Billund
12h 20m1 stop Frankfurt am Main
Lufthansa Logo
6:00 am - 7:55 pmBLL  Billund-ORD Chicago O'Hare Intl
20h 55m1 stop Frankfurt am Main
$775Lufthansa
Wed, Oct 7 - Wed, Oct 14
Lufthansa Logo
10:30 pm - 5:50 pmORD  Chicago O'Hare Intl-BLL Billund
12h 20m1 stop Frankfurt am Main
Lufthansa Logo
6:00 am - 7:55 pmBLL  Billund-ORD Chicago O'Hare Intl
20h 55m1 stop Frankfurt am Main
$776Lufthansa
Wed, Oct 7 - Wed, Oct 14
United Airlines Logo
6:04 pm - 6:20 pmORD  Chicago O'Hare Intl-BLL Billund
17h 16m2 stops Washington, D.C. Dulles Intl Frankfurt am Main
United Airlines Logo
10:30 am - 9:00 pmBLL  Billund-ORD Chicago O'Hare Intl
17h 30m2 stops Frankfurt am Main Newark
$780United Airlines
Mon, Jan 25 - Fri, Jan 29
Air Canada Logo
10:40 am - 6:20 pmORD  Chicago O'Hare Intl-BLL Billund
24h 40m2 stops Toronto Pearson Intl Frankfurt am Main
Air Canada Logo
10:30 am - 1:13 pmBLL  Billund-ORD Chicago O'Hare Intl
33h 43m2 stops Frankfurt am Main Toronto Pearson Intl
$781Air Canada
Mon, Jan 25 - Fri, Jan 29
Lufthansa Logo
10:30 pm - 5:50 pmORD  Chicago O'Hare Intl-BLL Billund
12h 20m1 stop Frankfurt am Main
Lufthansa Logo
6:00 am - 7:55 pmBLL  Billund-ORD Chicago O'Hare Intl
20h 55m1 stop Frankfurt am Main
$783Lufthansa
Wed, Oct 7 - Wed, Oct 14

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British Airways flights from Chicago O'Hare Intl Airport to Billund

Our best British Airways deals on Chicago O'Hare Intl Airport to Billund flight tickets
British Airways
Nov 15
ORD5:10 pmChicago O'Hare Intl
11h 00m
1 stop
BLL11:10 amBillund
Nov 30
BLL8:45 pmBillund
24h 00m
1 stop
ORD1:45 pmChicago O'Hare Intl
$759
British Airways
Nov 15
ORD2:30 pmChicago O'Hare Intl
13h 40m
2 stops
BLL11:10 amBillund
Nov 30
BLL8:45 pmBillund
25h 45m
1 stop
ORD3:30 pmChicago O'Hare Intl
$763
British Airways
Nov 15
ORD4:30 pmChicago O'Hare Intl
20h 15m
2 stops
BLL7:45 pmBillund
Nov 30
BLL8:45 pmBillund
27h 11m
2 stops
ORD4:56 pmChicago O'Hare Intl
$774

United Airlines flights from Chicago O'Hare Intl Airport to Billund

Our best United Airlines deals on Chicago O'Hare Intl Airport to Billund flight tickets
United Airlines
Jan 25
ORD6:05 pmChicago O'Hare Intl
17h 15m
1 stop
BLL6:20 pmBillund
Jan 29
BLL10:30 amBillund
11h 50m
1 stop
ORD3:20 pmChicago O'Hare Intl
$765
United Airlines
Jan 25
ORD10:45 amChicago O'Hare Intl
24h 35m
2 stops
BLL6:20 pmBillund
Jan 29
BLL6:35 amBillund
13h 35m
1 stop
ORD1:10 pmChicago O'Hare Intl
$770
United Airlines
Sep 12
ORD12:55 pmChicago O'Hare Intl
14h 05m
2 stops
BLL10:00 amBillund
Sep 18
BLL6:00 amBillund
23h 30m
2 stops
ORD10:30 pmChicago O'Hare Intl
$808

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Billund 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 August 14, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Billund that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBillund

ORD Chicago O'Hare Intl - BLL Billund

ORDBLL

Chicago O'Hare Intl

Wed 11/4

4:20 pm-6:20 pm

1 stop19h 00m

Billund

Sun 11/8

6:35 am-1:10 pm

1 stop13h 35m

$744

ChicagoBillund

ORD Chicago O'Hare Intl - BLL Billund

ORDBLL

Chicago O'Hare Intl

Wed 11/4

7:05 am-9:50 am

2 stops19h 45m

Billund

Sun 11/8

6:35 am-1:10 pm

1 stop13h 35m

$746

ChicagoBillund

ORD Chicago O'Hare Intl - BLL Billund

ORDBLL

Chicago O'Hare Intl

Wed 11/4

12:50 pm-9:50 am

2 stops14h 00m

Billund

Sun 11/8

10:30 am-7:58 pm

2 stops16h 28m

$754
Quickest round-trip

ChicagoBillund

ORD Chicago O'Hare Intl - BLL Billund

ORDBLL

Chicago O'Hare Intl

Mon 1/25

6:05 pm-6:20 pm

1 stop17h 15m

Billund

Fri 1/29

10:30 am-3:20 pm

1 stop11h 50m

$765

ChicagoBillund

ORD Chicago O'Hare Intl - BLL Billund

ORDBLL

Chicago O'Hare Intl

Mon 1/25

10:45 am-6:20 pm

2 stops24h 35m

Billund

Fri 1/29

6:35 am-1:10 pm

1 stop13h 35m

$770

ChicagoBillund

ORD Chicago O'Hare Intl - BLL Billund

ORDBLL

Chicago O'Hare Intl

Wed 10/7

10:30 pm-5:50 pm

1 stop12h 20m

Billund

Wed 10/14

6:00 am-7:55 pm

1 stop20h 55m

$775

ChicagoBillund

ORD Chicago O'Hare Intl - BLL Billund

ORDBLL

Chicago O'Hare Intl

Wed 10/7

10:30 pm-5:50 pm

1 stop12h 20m

Billund

Wed 10/14

6:00 am-7:55 pm

1 stop20h 55m

$776

ChicagoBillund

ORD Chicago O'Hare Intl - BLL Billund

ORDBLL

Chicago O'Hare Intl

Mon 1/25

6:04 pm-6:20 pm

2 stops17h 16m

Billund

Fri 1/29

10:30 am-9:00 pm

2 stops17h 30m

$780

ChicagoBillund

ORD Chicago O'Hare Intl - BLL Billund

ORDBLL

Chicago O'Hare Intl

Mon 1/25

10:40 am-6:20 pm

2 stops24h 40m

Billund

Fri 1/29

10:30 am-1:13 pm

2 stops33h 43m

$781

ChicagoBillund

ORD Chicago O'Hare Intl - BLL Billund

ORDBLL

Chicago O'Hare Intl

Wed 10/7

10:30 pm-5:50 pm

1 stop12h 20m

Billund

Wed 10/14

6:00 am-7:55 pm

1 stop20h 55m

$783

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Billund from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Billund

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 airline that flies from Chicago O'Hare Intl to Billund?

Air Canada, Lufthansa, and United Airlines are the most popular carriers operating from Chicago O'Hare Intl to Billund

When to book flights from Chicago O'Hare Intl Airport to Billund

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

Cheap Chicago O'Hare Intl Airport to Billund (ORD to BLL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Billund

Fastest flight time

11h 40m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Billund takes 11h 40m
There are no direct flights from Chicago O'Hare Intl Airport to Billund. There are no popular flight routes from Chicago O'Hare Intl Airport to Billund.
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Billund

  • How far is Chicago O'Hare Intl to Billund by plane?

    Billund is 4135.5 mi away from Chicago O'Hare Intl. Typically, this will take 11h 40m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Billund Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Billund Airport were last updated today.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Billund Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Billund Airport.

  • What documentation or ID do you need to fly to Billund Airport?

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

Traveling to a place near Billund?

Book flights to Billund if you plan to visit one of these locations
Vejle
Kolding
Ribe
Horsens
Middelfart
Romo

Why use momondo?

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

It is quick and easy to find Chicago to Billund 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 Billund that suits you.

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

momondo does allow users to show only those flights to Billund from Chicago which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Billund.

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

Of course. momondo tracks the price of Chicago to Billund flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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