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Cheap flights from Billund to Chicago from $338

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 6/11. 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.
British Airways Logo
9:30 pm - 1:50 pm
BLL
-
ORD
23h 20m
1 stop
British Airways Logo
7:05 pm - 2:30 pm
ORD
-
BLL
12h 25m
1 stop
$493British Airways
Mon, Apr 20 - Mon, Apr 27
British Airways Logo
12:10 pm - 6:15 pm
BLL
-
ORD
13h 05m
1 stop
British Airways Logo
7:05 pm - 2:30 pm
ORD
-
BLL
12h 25m
1 stop
$514British Airways
Wed, Apr 22 - Mon, May 4
British Airways Logo
9:50 pm - 3:55 pm
BLL
-
ORD
25h 05m
1 stop
British Airways Logo
4:36 pm - 2:30 pm
ORD
-
BLL
14h 54m
2 stops
$515British Airways
Wed, Apr 22 - Mon, May 4
British Airways Logo
9:30 pm - 1:50 pm
BLL
-
ORD
23h 20m
1 stop
British Airways Logo
4:36 pm - 2:30 pm
ORD
-
BLL
14h 54m
2 stops
$516British Airways
Mon, Apr 20 - Mon, Apr 27
Multiple Airlines Logo
6:45 pm - 2:15 pm
BLL
-
ORD
26h 30m
1 stop
Multiple Airlines Logo
1:36 pm - 11:00 am
ORD
-
BLL
14h 24m
2 stops
$532Multiple Airlines
Mon, Apr 20 - Mon, Apr 27
Multiple Airlines Logo
11:45 am - 2:15 pm
BLL
-
ORD
33h 30m
1 stop
Multiple Airlines Logo
4:20 pm - 5:55 pm
ORD
-
BLL
18h 35m
1 stop
$537Multiple Airlines
Mon, Apr 20 - Sun, Apr 26
British Airways Logo
10:40 am - 3:55 pm
BLL
-
ORD
12h 15m
1 stop
British Airways Logo
5:00 pm - 2:30 pm
ORD
-
BLL
14h 30m
1 stop
$549British Airways
Tue, Apr 21 - Mon, May 4
British Airways Logo
10:40 am - 3:55 pm
BLL
-
ORD
12h 15m
1 stop
British Airways Logo
4:36 pm - 2:30 pm
ORD
-
BLL
14h 54m
2 stops
$550British Airways
Tue, Apr 21 - Mon, May 4
British Airways Logo
9:50 pm - 3:55 pm
BLL
-
ORD
25h 05m
1 stop
British Airways Logo
4:36 pm - 2:30 pm
ORD
-
BLL
14h 54m
2 stops
$551British Airways
Wed, Apr 29 - Mon, May 4
British Airways Logo
7:00 pm - 12:20 pm
BLL
-
ORD
24h 20m
1 stop
British Airways Logo
4:36 pm - 2:30 pm
ORD
-
BLL
14h 54m
2 stops
$554British Airways
Thu, Apr 16 - Mon, Apr 20

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
Apr 20
BLL2:20 pmBillund
30h 55m
1 stop
ORD2:15 pmChicago O'Hare Intl
Apr 27
ORD4:50 pmChicago O'Hare Intl
11h 10m
1 stop
BLL11:00 amBillund
$561
Delta
Apr 23
BLL6:00 amBillund
17h 18m
2 stops
ORD4:18 pmChicago O'Hare Intl
Apr 30
ORD4:20 pmChicago O'Hare Intl
14h 10m
1 stop
BLL1:30 pmBillund
$589
Delta
Apr 20
BLL12:00 pmBillund
15h 40m
2 stops
ORD8:40 pmChicago O'Hare Intl
Apr 27
ORD1:36 pmChicago O'Hare Intl
14h 24m
2 stops
BLL11:00 amBillund
$596

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
Apr 20
BLL6:00 amBillund
13h 55m
1 stop
ORD12:55 pmChicago O'Hare Intl
Apr 27
ORD3:00 pmChicago O'Hare Intl
12h 05m
1 stop
BLL10:05 amBillund
$591
United Airlines
Jun 11
BLL10:25 amBillund
16h 30m
1 stop
ORD7:55 pmChicago O'Hare Intl
Jun 27
ORD11:03 amChicago O'Hare Intl
15h 57m
2 stops
BLL10:00 amBillund
$600
United Airlines
Mar 23
BLL2:15 pmBillund
27h 55m
1 stop
ORD12:10 pmChicago O'Hare Intl
Mar 27
ORD4:20 pmChicago O'Hare Intl
15h 00m
1 stop
BLL1:20 pmBillund
$704

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 March 10, 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

Mon 4/20

9:30 pm-1:50 pm

1 stop23h 20m

Chicago O'Hare Intl

Mon 4/27

7:05 pm-2:30 pm

1 stop12h 25m

$493
Quickest round-trip

BillundChicago

BLL - ORD

BLLORD

Billund

Wed 4/22

12:10 pm-6:15 pm

1 stop13h 05m

Chicago O'Hare Intl

Mon 5/4

7:05 pm-2:30 pm

1 stop12h 25m

$514

BillundChicago

BLL - ORD

BLLORD

Billund

Wed 4/22

9:50 pm-3:55 pm

1 stop25h 05m

Chicago O'Hare Intl

Mon 5/4

4:36 pm-2:30 pm

2 stops14h 54m

$515

BillundChicago

BLL - ORD

BLLORD

Billund

Mon 4/20

9:30 pm-1:50 pm

1 stop23h 20m

Chicago O'Hare Intl

Mon 4/27

4:36 pm-2:30 pm

2 stops14h 54m

$516

BillundChicago

BLL - ORD

BLLORD

Billund

Mon 4/20

6:45 pm-2:15 pm

1 stop26h 30m

Chicago O'Hare Intl

Mon 4/27

1:36 pm-11:00 am

2 stops14h 24m

$532

BillundChicago

BLL - ORD

BLLORD

Billund

Mon 4/20

11:45 am-2:15 pm

1 stop33h 30m

Chicago O'Hare Intl

Sun 4/26

4:20 pm-5:55 pm

1 stop18h 35m

$537

BillundChicago

BLL - ORD

BLLORD

Billund

Tue 4/21

10:40 am-3:55 pm

1 stop12h 15m

Chicago O'Hare Intl

Mon 5/4

5:00 pm-2:30 pm

1 stop14h 30m

$549

BillundChicago

BLL - ORD

BLLORD

Billund

Tue 4/21

10:40 am-3:55 pm

1 stop12h 15m

Chicago O'Hare Intl

Mon 5/4

4:36 pm-2:30 pm

2 stops14h 54m

$550

BillundChicago

BLL - ORD

BLLORD

Billund

Wed 4/29

9:50 pm-3:55 pm

1 stop25h 05m

Chicago O'Hare Intl

Mon 5/4

4:36 pm-2:30 pm

2 stops14h 54m

$551

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 4/16

7:00 pm-12:20 pm

1 stop24h 20m

Chicago O'Hare Intl

Mon 4/20

4:36 pm-2:30 pm

2 stops14h 54m

$554

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 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 $667 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 15m

Direct flights

None
The fastest flight from Billund to Chicago O'Hare Intl Airport takes 12h 15m
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 12h 15m.

  • 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
7,840 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
Rosemont
Naperville
New Buffalo
Orland Park
Kenosha
Oak Brook
Joliet
Racine
Janesville
Hammond
Aurora
Tinley Park
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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