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Cheap flights from Billund to Chicago from $358

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 5/13. 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
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.
United Airlines Logo
2:15 pm - 9:05 pm
BLL
-
ORD
12h 50m
1 stop
United Airlines Logo
1:00 pm - 2:10 pm
ORD
-
BLL
18h 10m
2 stops
$498United Airlines
Mon, Mar 23 - Mon, Apr 13
United Airlines Logo
2:15 pm - 11:44 pm
BLL
-
ORD
15h 29m
2 stops
United Airlines Logo
3:00 pm - 10:05 am
ORD
-
BLL
12h 05m
1 stop
$503United Airlines
Tue, Mar 24 - Mon, Apr 13
Air France Logo
10:25 am - 2:20 pm
BLL
-
ORD
10h 55m
1 stop
Air France Logo
5:20 pm - 3:30 pm
ORD
-
BLL
15h 10m
1 stop
$510Air France
Sat, Jan 31 - Fri, Feb 6
British Airways Logo
8:50 pm - 6:00 pm
BLL
-
ORD
27h 10m
2 stops
British Airways Logo
11:21 am - 9:00 pm
ORD
-
BLL
26h 39m
2 stops
$511British Airways
Sun, Mar 22 - Tue, Apr 14
Lufthansa Logo
2:25 pm - 1:25 pm
BLL
-
ORD
30h 00m
1 stop
Lufthansa Logo
3:20 pm - 1:30 pm
ORD
-
BLL
15h 10m
1 stop
$518Lufthansa
Wed, Feb 4 - Sun, Feb 8
Multiple Airlines Logo
12:05 pm - 9:05 pm
BLL
-
ORD
16h 00m
2 stops
Multiple Airlines Logo
5:20 pm - 3:30 pm
ORD
-
BLL
15h 10m
1 stop
$519Multiple Airlines
Sat, Jan 31 - Fri, Feb 6
British Airways Logo
1:20 pm - 7:45 pm
BLL
-
ORD
12h 25m
1 stop
British Airways Logo
9:15 pm - 10:50 am
ORD
-
BLL
30h 35m
1 stop
$544British Airways
Wed, Mar 18 - Sat, Apr 11
British Airways Logo
1:05 pm - 6:45 pm
BLL
-
ORD
12h 40m
1 stop
British Airways Logo
9:45 pm - 12:05 pm
ORD
-
BLL
31h 20m
1 stop
$546British Airways
Sat, Feb 28 - Wed, Mar 4
Lufthansa Logo
2:15 pm - 9:05 pm
BLL
-
ORD
12h 50m
1 stop
Lufthansa Logo
10:30 pm - 11:35 pm
ORD
-
BLL
18h 05m
1 stop
$547Lufthansa
Mon, Mar 23 - Sat, Apr 11
British Airways Logo
8:50 pm - 6:00 pm
BLL
-
ORD
27h 10m
2 stops
British Airways Logo
4:16 pm - 1:55 pm
ORD
-
BLL
14h 39m
2 stops
$550British Airways
Sun, Mar 22 - Thu, Apr 9

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
Mar 23
BLL2:15 pmBillund
12h 50m
1 stop
ORD9:05 pmChicago O'Hare Intl
Apr 13
ORD1:00 pmChicago O'Hare Intl
18h 10m
2 stops
BLL2:10 pmBillund
$498
United Airlines
Mar 24
BLL6:30 amBillund
19h 48m
2 stops
ORD8:18 pmChicago O'Hare Intl
Apr 14
ORD4:05 pmChicago O'Hare Intl
11h 05m
1 stop
BLL10:10 amBillund
$503
United Airlines
Feb 4
BLL10:20 amBillund
20h 19m
2 stops
ORD11:39 pmChicago O'Hare Intl
Feb 8
ORD3:20 pmChicago O'Hare Intl
19h 50m
1 stop
BLL6:10 pmBillund
$562

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

Our best British Airways deals on Billund to Chicago O'Hare Intl Airport flight tickets
British Airways
Mar 22
BLL8:50 pmBillund
27h 10m
2 stops
ORD6:00 pmChicago O'Hare Intl
Apr 8
ORD1:45 pmChicago O'Hare Intl
15h 20m
2 stops
BLL12:05 pmBillund
$511
British Airways
Mar 18
BLL1:20 pmBillund
12h 25m
1 stop
ORD7:45 pmChicago O'Hare Intl
Apr 11
ORD9:15 pmChicago O'Hare Intl
30h 35m
1 stop
BLL10:50 amBillund
$544
British Airways
Feb 28
BLL1:05 pmBillund
12h 40m
1 stop
ORD6:45 pmChicago O'Hare Intl
Mar 4
ORD9:45 pmChicago O'Hare Intl
31h 20m
1 stop
BLL12:05 pmBillund
$546

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 January 20, 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

BillundChicago

BLL - ORD

BLLORD

Billund

Mon 3/23

2:15 pm-9:05 pm

1 stop12h 50m

Chicago O'Hare Intl

Mon 4/13

1:00 pm-2:10 pm

2 stops18h 10m

$498

BillundChicago

BLL - ORD

BLLORD

Billund

Tue 3/24

2:15 pm-11:44 pm

2 stops15h 29m

Chicago O'Hare Intl

Mon 4/13

3:00 pm-10:05 am

1 stop12h 05m

$503

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 1/31

10:25 am-2:20 pm

1 stop10h 55m

Chicago O'Hare Intl

Fri 2/6

5:20 pm-3:30 pm

1 stop15h 10m

$510

BillundChicago

BLL - ORD

BLLORD

Billund

Sun 3/22

8:50 pm-6:00 pm

2 stops27h 10m

Chicago O'Hare Intl

Tue 4/14

11:21 am-9:00 pm

2 stops26h 39m

$511

BillundChicago

BLL - ORD

BLLORD

Billund

Wed 2/4

2:25 pm-1:25 pm

1 stop30h 00m

Chicago O'Hare Intl

Sun 2/8

3:20 pm-1:30 pm

1 stop15h 10m

$518

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 1/31

12:05 pm-9:05 pm

2 stops16h 00m

Chicago O'Hare Intl

Fri 2/6

5:20 pm-3:30 pm

1 stop15h 10m

$519

BillundChicago

BLL - ORD

BLLORD

Billund

Wed 3/18

1:20 pm-7:45 pm

1 stop12h 25m

Chicago O'Hare Intl

Sat 4/11

9:15 pm-10:50 am

1 stop30h 35m

$544

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 2/28

1:05 pm-6:45 pm

1 stop12h 40m

Chicago O'Hare Intl

Wed 3/4

9:45 pm-12:05 pm

1 stop31h 20m

$546

BillundChicago

BLL - ORD

BLLORD

Billund

Mon 3/23

2:15 pm-9:05 pm

1 stop12h 50m

Chicago O'Hare Intl

Sat 4/11

10:30 pm-11:35 pm

1 stop18h 05m

$547

BillundChicago

BLL - ORD

BLLORD

Billund

Sun 3/22

8:50 pm-6:00 pm

2 stops27h 10m

Chicago O'Hare Intl

Thu 4/9

4:16 pm-1:55 pm

2 stops14h 39m

$550

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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 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 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 $500 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

13h 50m

Direct flights

None
The fastest flight from Billund to Chicago O'Hare Intl Airport takes 13h 50m
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

  • 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 13h 50m.

  • 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 many operators does momondo search for flights from Billund Airport to Chicago O'Hare Intl Airport?

  • 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.

  • What is the most popular airline from Billund to Chicago O'Hare Intl Airport?

Best airlines flying from Billund to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Billund to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $530Free CancellationRating
6.8
7,732 reviews
Search Lufthansa flights

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
Naperville
Rosemont
New Buffalo
Kenosha
Joliet
Oak Brook
Orland Park
Racine
Hammond
Janesville
Tinley Park
Elgin
Aurora
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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