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Cheap flights from Billund to Chicago from $593

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 5/21. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 2:15 pm
BLL
-
ORD
15h 15m
1 stop
Multiple Airlines Logo
4:20 pm - 9:35 am
ORD
-
BLL
10h 15m
1 stop
$593Multiple Airlines
Thu, May 21 - Tue, May 26
Air France Logo
6:00 am - 2:15 pm
BLL
-
ORD
15h 15m
1 stop
Air France Logo
4:50 pm - 11:00 am
ORD
-
BLL
11h 10m
1 stop
$595Air France
Thu, May 21 - Wed, May 27
Delta Logo
6:00 am - 2:15 pm
BLL
-
ORD
15h 15m
1 stop
Delta Logo
5:41 pm - 4:25 pm
ORD
-
BLL
15h 44m
2 stops
$610Delta
Thu, May 21 - Wed, May 27
Delta Logo
11:45 am - 10:35 pm
BLL
-
ORD
17h 50m
2 stops
Delta Logo
5:41 pm - 4:25 pm
ORD
-
BLL
15h 44m
2 stops
$615Delta
Thu, May 21 - Wed, May 27
Delta Logo
6:00 am - 4:56 pm
BLL
-
ORD
17h 56m
2 stops
Delta Logo
4:20 pm - 1:30 pm
ORD
-
BLL
14h 10m
1 stop
$622Delta
Thu, May 21 - Tue, May 26
United Airlines Logo
6:00 am - 11:00 am
BLL
-
ORD
12h 00m
1 stop
United Airlines Logo
10:50 am - 9:50 am
ORD
-
BLL
16h 00m
2 stops
$666United Airlines
Thu, May 21 - Wed, May 27
United Airlines Logo
10:25 am - 6:55 pm
BLL
-
ORD
15h 30m
2 stops
United Airlines Logo
10:50 am - 9:50 am
ORD
-
BLL
16h 00m
2 stops
$672United Airlines
Thu, May 21 - Wed, May 27
Delta Logo
10:15 am - 2:15 pm
BLL
-
ORD
11h 00m
1 stop
Delta Logo
4:50 pm - 11:00 am
ORD
-
BLL
11h 10m
1 stop
$673Delta
Thu, May 21 - Wed, May 27
Delta Logo
11:45 am - 2:15 pm
BLL
-
ORD
33h 30m
1 stop
Delta Logo
11:09 am - 9:35 am
ORD
-
BLL
15h 26m
2 stops
$674Delta
Thu, May 21 - Tue, May 26
Lufthansa Logo
6:00 am - 11:00 am
BLL
-
ORD
12h 00m
1 stop
Lufthansa Logo
6:30 pm - 2:10 pm
ORD
-
BLL
12h 40m
1 stop
$677Lufthansa
Thu, Jun 18 - Sun, Jun 21

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
May 21
BLL6:00 amBillund
15h 15m
1 stop
ORD2:15 pmChicago O'Hare Intl
May 27
ORD5:41 pmChicago O'Hare Intl
15h 44m
2 stops
BLL4:25 pmBillund
$610
Delta
May 21
BLL11:45 amBillund
17h 50m
2 stops
ORD10:35 pmChicago O'Hare Intl
May 27
ORD5:41 pmChicago O'Hare Intl
15h 44m
2 stops
BLL4:25 pmBillund
$615
Delta
May 21
BLL6:00 amBillund
17h 56m
2 stops
ORD4:56 pmChicago O'Hare Intl
May 26
ORD4:20 pmChicago O'Hare Intl
14h 10m
1 stop
BLL1:30 pmBillund
$622

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

Our best United Airlines deals on Billund to Chicago O'Hare Intl Airport flight tickets
United Airlines
May 21
BLL6:00 amBillund
12h 00m
1 stop
ORD11:00 amChicago O'Hare Intl
May 27
ORD10:50 amChicago O'Hare Intl
16h 00m
2 stops
BLL9:50 amBillund
$666
United Airlines
May 21
BLL10:25 amBillund
15h 30m
2 stops
ORD6:55 pmChicago O'Hare Intl
May 27
ORD10:50 amChicago O'Hare Intl
16h 00m
2 stops
BLL9:50 amBillund
$672
United Airlines
Jun 18
BLL6:00 amBillund
24h 26m
2 stops
ORD11:26 pmChicago O'Hare Intl
Jun 21
ORD6:30 pmChicago O'Hare Intl
32h 35m
1 stop
BLL10:05 amBillund
$701

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 April 27, 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 5/21

6:00 am-2:15 pm

1 stop15h 15m

Chicago O'Hare Intl

Tue 5/26

4:20 pm-9:35 am

1 stop10h 15m

$593

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 5/21

6:00 am-2:15 pm

1 stop15h 15m

Chicago O'Hare Intl

Wed 5/27

4:50 pm-11:00 am

1 stop11h 10m

$595

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 5/21

6:00 am-2:15 pm

1 stop15h 15m

Chicago O'Hare Intl

Wed 5/27

5:41 pm-4:25 pm

2 stops15h 44m

$610

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 5/21

11:45 am-10:35 pm

2 stops17h 50m

Chicago O'Hare Intl

Wed 5/27

5:41 pm-4:25 pm

2 stops15h 44m

$615

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 5/21

6:00 am-4:56 pm

2 stops17h 56m

Chicago O'Hare Intl

Tue 5/26

4:20 pm-1:30 pm

1 stop14h 10m

$622

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 5/21

6:00 am-11:00 am

1 stop12h 00m

Chicago O'Hare Intl

Wed 5/27

10:50 am-9:50 am

2 stops16h 00m

$666

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 5/21

10:25 am-6:55 pm

2 stops15h 30m

Chicago O'Hare Intl

Wed 5/27

10:50 am-9:50 am

2 stops16h 00m

$672
Quickest round-trip

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 5/21

10:15 am-2:15 pm

1 stop11h 00m

Chicago O'Hare Intl

Wed 5/27

4:50 pm-11:00 am

1 stop11h 10m

$673

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 5/21

11:45 am-2:15 pm

1 stop33h 30m

Chicago O'Hare Intl

Tue 5/26

11:09 am-9:35 am

2 stops15h 26m

$674

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-2:10 pm

1 stop12h 40m

$677

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 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 March is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Billund averaging around $561.

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 $672 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 $509 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
New Buffalo
Orland Park
Oak Brook
Kenosha
Joliet
Aurora
Janesville
Racine
Hammond
Tinley Park
Elgin
Evanston

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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