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Cheap flights from Billund to Chicago from $333

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Billund to Chicago departing on 9/8. 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
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.
Lufthansa Logo
6:00 am - 7:55 pm
BLL
-
ORD
20h 55m
1 stop
Lufthansa Logo
10:30 pm - 11:35 pm
ORD
-
BLL
18h 05m
1 stop
$615Lufthansa
Thu, Aug 6 - Mon, Aug 10
British Airways Logo
9:50 pm - 6:15 pm
BLL
-
ORD
27h 25m
1 stop
British Airways Logo
6:10 pm - 7:45 pm
ORD
-
BLL
19h 35m
1 stop
$619British Airways
Wed, Oct 21 - Sun, Oct 25
Lufthansa Logo
6:00 am - 12:55 pm
BLL
-
ORD
13h 55m
1 stop
Lufthansa Logo
4:05 pm - 10:05 am
ORD
-
BLL
11h 00m
1 stop
$620Lufthansa
Thu, Aug 6 - Mon, Aug 10
British Airways Logo
9:50 pm - 6:15 pm
BLL
-
ORD
27h 25m
1 stop
British Airways Logo
6:10 pm - 7:45 pm
ORD
-
BLL
19h 35m
1 stop
$621British Airways
Wed, Oct 21 - Sun, Oct 25
Lufthansa Logo
6:00 am - 12:55 pm
BLL
-
ORD
13h 55m
1 stop
Lufthansa Logo
4:05 pm - 2:20 pm
ORD
-
BLL
15h 15m
1 stop
$628Lufthansa
Fri, Aug 7 - Tue, Aug 11
Multiple Airlines Logo
6:00 am - 11:00 am
BLL
-
ORD
12h 00m
1 stop
Multiple Airlines Logo
11:05 am - 2:10 pm
ORD
-
BLL
20h 05m
2 stops
$653Multiple Airlines
Thu, Aug 6 - Mon, Aug 10
Multiple Airlines Logo
6:00 am - 11:00 am
BLL
-
ORD
12h 00m
1 stop
Multiple Airlines Logo
11:05 am - 2:10 pm
ORD
-
BLL
20h 05m
2 stops
$654Multiple Airlines
Thu, Aug 6 - Mon, Aug 10
United Airlines Logo
6:00 am - 11:00 am
BLL
-
ORD
12h 00m
1 stop
United Airlines Logo
4:05 pm - 6:30 pm
ORD
-
BLL
19h 25m
1 stop
$658United Airlines
Thu, Aug 6 - Mon, Aug 10
United Airlines Logo
6:00 am - 2:55 pm
BLL
-
ORD
15h 55m
1 stop
United Airlines Logo
12:50 pm - 9:55 am
ORD
-
BLL
15h 05m
2 stops
$659United Airlines
Wed, Oct 21 - Sun, Oct 25
Air Canada Logo
10:25 am - 9:00 am
BLL
-
ORD
29h 35m
2 stops
Air Canada Logo
11:05 am - 10:05 am
ORD
-
BLL
16h 00m
2 stops
$660Air Canada
Thu, Aug 6 - Mon, Aug 10

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Delta flights from Billund to Chicago O'Hare Intl Airport

Our best Delta deals on Billund to Chicago O'Hare Intl Airport flight tickets
Delta
Jun 18
BLL6:00 amBillund
15h 15m
1 stop
ORD2:15 pmChicago O'Hare Intl
Jun 22
ORD7:17 pmChicago O'Hare Intl
15h 38m
2 stops
BLL5:55 pmBillund
$612
Delta
Jun 18
BLL10:15 amBillund
17h 16m
2 stops
ORD8:31 pmChicago O'Hare Intl
Jun 22
ORD7:17 pmChicago O'Hare Intl
15h 38m
2 stops
BLL5:55 pmBillund
$617
Delta
Jul 29
BLL6:00 amBillund
15h 30m
1 stop
ORD2:30 pmChicago O'Hare Intl
Aug 27
ORD10:30 amChicago O'Hare Intl
16h 05m
2 stops
BLL9:35 amBillund
$695

Lufthansa flights from Billund to Chicago O'Hare Intl Airport

Our best Lufthansa deals on Billund to Chicago O'Hare Intl Airport flight tickets
Lufthansa
Aug 6
BLL6:00 amBillund
20h 55m
1 stop
ORD7:55 pmChicago O'Hare Intl
Aug 10
ORD10:30 pmChicago O'Hare Intl
18h 05m
1 stop
BLL11:35 pmBillund
$615
Lufthansa
Aug 6
BLL6:00 amBillund
13h 55m
1 stop
ORD12:55 pmChicago O'Hare Intl
Aug 10
ORD4:05 pmChicago O'Hare Intl
11h 00m
1 stop
BLL10:05 amBillund
$620
Lufthansa
Aug 7
BLL6:00 amBillund
13h 55m
1 stop
ORD12:55 pmChicago O'Hare Intl
Aug 11
ORD4:05 pmChicago O'Hare Intl
15h 15m
1 stop
BLL2:20 pmBillund
$628

momondo Fare Finder

 
Customize your flight search to find flights from Billund to Chicago O'Hare Intl Airport 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 June 15, 2026.
Use the filters below to find and compare flights from Billund to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 8/6

6:00 am-7:55 pm

1 stop20h 55m

Chicago O'Hare Intl

Mon 8/10

10:30 pm-11:35 pm

1 stop18h 05m

$615

BillundChicago

BLL - ORD

BLLORD

Billund

Wed 10/21

9:50 pm-6:15 pm

1 stop27h 25m

Chicago O'Hare Intl

Sun 10/25

6:10 pm-7:45 pm

1 stop19h 35m

$619
Quickest round-trip

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 8/6

6:00 am-12:55 pm

1 stop13h 55m

Chicago O'Hare Intl

Mon 8/10

4:05 pm-10:05 am

1 stop11h 00m

$620

BillundChicago

BLL - ORD

BLLORD

Billund

Wed 10/21

9:50 pm-6:15 pm

1 stop27h 25m

Chicago O'Hare Intl

Sun 10/25

6:10 pm-7:45 pm

1 stop19h 35m

$621

BillundChicago

BLL - ORD

BLLORD

Billund

Fri 8/7

6:00 am-12:55 pm

1 stop13h 55m

Chicago O'Hare Intl

Tue 8/11

4:05 pm-2:20 pm

1 stop15h 15m

$628

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 8/6

6:00 am-11:00 am

1 stop12h 00m

Chicago O'Hare Intl

Mon 8/10

11:05 am-2:10 pm

2 stops20h 05m

$653

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 8/6

6:00 am-11:00 am

1 stop12h 00m

Chicago O'Hare Intl

Mon 8/10

11:05 am-2:10 pm

2 stops20h 05m

$654

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 8/6

6:00 am-11:00 am

1 stop12h 00m

Chicago O'Hare Intl

Mon 8/10

4:05 pm-6:30 pm

1 stop19h 25m

$658

BillundChicago

BLL - ORD

BLLORD

Billund

Wed 10/21

6:00 am-2:55 pm

1 stop15h 55m

Chicago O'Hare Intl

Sun 10/25

12:50 pm-9:55 am

2 stops15h 05m

$659

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 8/6

10:25 am-9:00 am

2 stops29h 35m

Chicago O'Hare Intl

Mon 8/10

11:05 am-10:05 am

2 stops16h 00m

$660

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
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See travel insights to Chicago from

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

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 O'Hare Intl Airport?

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of November is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Billund averaging around $552.

How far in advance should I book a flight from Billund to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Billund when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $675 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Billund for as low as $504 on momondo.

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

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

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

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

Fastest flight time

12h 00m

Direct flights

None
The fastest flight from Billund to Chicago O'Hare Intl Airport takes 12h 00m
There are no direct flights from Billund to Chicago O'Hare Intl Airport. There are no popular flight routes from Billund to Chicago O'Hare Intl Airport.
Search flight deals

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

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

    Chicago O'Hare Intl is 4135.5 mi away from Billund. A reasonable flight in good conditions will take 12h 00m.

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

    Prices for flights from Billund Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Billund Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The required travel and health documents for your Chicago O'Hare Intl 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 Chicago O'Hare Intl Airport. 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
Lake Geneva
Schaumburg
South Haven
Rockford
Merrillville
Gurnee
Rosemont
Naperville
Orland Park
Oak Brook
New Buffalo
Joliet
Kenosha
Aurora
Hammond
Racine
Janesville
Evanston
Elgin
South Holland

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Billund to Chicago for you.

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

Yes. momondo allows you to filter the results for Billund to Chicago flights to just show those with flexible booking policies.

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?

Price alerts on flights to Chicago from Billund are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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