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Cheap flights from Billund to Chicago from $471

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 12/6. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
1:05 pm - 1:50 pmBLL-ORD
31h 45m1 stop
British Airways Logo
5:10 pm - 7:50 pmORD-BLL
19h 40m1 stop
$471British Airways
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Sat, Dec 6 - Wed, Dec 10
British Airways Logo
1:05 pm - 7:21 amBLL-ORD
25h 16m2 stops
British Airways Logo
5:10 pm - 12:10 pmORD-BLL
12h 00m1 stop
$475British Airways
Find Deal
Sat, Dec 6 - Wed, Dec 10
Air France Logo
6:00 am - 2:20 pmBLL-ORD
15h 20m1 stop
Air France Logo
5:20 pm - 2:35 pmORD-BLL
14h 15m1 stop
$524Air France
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Mon, Nov 3 - Mon, Nov 10
Air Canada Logo
6:45 am - 2:55 pmBLL-ORD
15h 10m2 stops
Air Canada Logo
12:50 pm - 10:00 amORD-BLL
14h 10m2 stops
$529Air Canada
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Sat, Dec 6 - Wed, Dec 10
Lufthansa Logo
6:35 am - 8:05 pmBLL-ORD
20h 30m1 stop
Lufthansa Logo
3:20 pm - 10:00 amORD-BLL
11h 40m1 stop
$533Lufthansa
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Wed, Nov 26 - Wed, Dec 3
Multiple Airlines Logo
6:35 am - 5:48 pmBLL-ORD
18h 13m2 stops
Multiple Airlines Logo
12:50 pm - 10:00 amORD-BLL
14h 10m2 stops
$535Multiple Airlines
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Wed, Nov 26 - Wed, Dec 3
British Airways Logo
8:45 pm - 7:14 pmBLL-ORD
29h 29m2 stops
British Airways Logo
5:10 pm - 12:20 pmORD-BLL
12h 10m1 stop
$538British Airways
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Mon, Nov 3 - Mon, Nov 10
Multiple Airlines Logo
2:25 pm - 8:05 pmBLL-ORD
12h 40m1 stop
Multiple Airlines Logo
12:50 pm - 10:00 amORD-BLL
14h 10m2 stops
$552Multiple Airlines
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Wed, Nov 26 - Wed, Dec 3
Delta Logo
6:00 am - 5:22 pmBLL-ORD
18h 22m2 stops
Delta Logo
2:35 pm - 2:35 pmORD-BLL
17h 00m2 stops
$560Delta
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Mon, Nov 3 - Mon, Nov 10
Air Canada Logo
10:20 am - 10:05 pmBLL-ORD
17h 45m2 stops
Air Canada Logo
7:10 am - 10:00 amORD-BLL
19h 50m2 stops
$1,556Air Canada
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Wed, Oct 29 - Sun, Nov 2

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
Dec 6
BLL1:05 pmBillund
31h 45m
1 stop
ORD1:50 pmChicago O'Hare Intl
Dec 10
ORD5:10 pmChicago O'Hare Intl
19h 40m
1 stop
BLL7:50 pmBillund
$471
Find similar
British Airways
Dec 6
BLL1:05 pmBillund
25h 16m
2 stops
ORD7:21 amChicago O'Hare Intl
Dec 10
ORD5:10 pmChicago O'Hare Intl
12h 00m
1 stop
BLL12:10 pmBillund
$475
Find similar
British Airways
Nov 3
BLL8:45 pmBillund
29h 29m
2 stops
ORD7:14 pmChicago O'Hare Intl
Nov 10
ORD5:10 pmChicago O'Hare Intl
12h 10m
1 stop
BLL12:20 pmBillund
$538
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Air Canada flights from Billund to Chicago O'Hare Intl Airport

Our best Air Canada deals on Billund to Chicago O'Hare Intl Airport flight tickets
Air Canada
Dec 6
BLL6:45 amBillund
15h 10m
2 stops
ORD2:55 pmChicago O'Hare Intl
Dec 10
ORD12:50 pmChicago O'Hare Intl
14h 10m
2 stops
BLL10:00 amBillund
$529
Find similar
Air Canada
Oct 29
BLL10:20 amBillund
17h 45m
2 stops
ORD10:05 pmChicago O'Hare Intl
Nov 2
ORD7:10 amChicago O'Hare Intl
19h 50m
2 stops
BLL10:00 amBillund
$1,556
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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 October 14, 2025.
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

Sat 12/6

1:05 pm-1:50 pm

1 stop31h 45m

Chicago O'Hare Intl

Wed 12/10

5:10 pm-7:50 pm

1 stop19h 40m

$471

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 12/6

1:05 pm-7:21 am

2 stops25h 16m

Chicago O'Hare Intl

Wed 12/10

5:10 pm-12:10 pm

1 stop12h 00m

$475

BillundChicago

BLL - ORD

BLLORD

Billund

Mon 11/3

6:00 am-2:20 pm

1 stop15h 20m

Chicago O'Hare Intl

Mon 11/10

5:20 pm-2:35 pm

1 stop14h 15m

$524

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 12/6

6:45 am-2:55 pm

2 stops15h 10m

Chicago O'Hare Intl

Wed 12/10

12:50 pm-10:00 am

2 stops14h 10m

$529

BillundChicago

BLL - ORD

BLLORD

Billund

Wed 11/26

6:35 am-8:05 pm

1 stop20h 30m

Chicago O'Hare Intl

Wed 12/3

3:20 pm-10:00 am

1 stop11h 40m

$533

BillundChicago

BLL - ORD

BLLORD

Billund

Wed 11/26

6:35 am-5:48 pm

2 stops18h 13m

Chicago O'Hare Intl

Wed 12/3

12:50 pm-10:00 am

2 stops14h 10m

$535

BillundChicago

BLL - ORD

BLLORD

Billund

Mon 11/3

8:45 pm-7:14 pm

2 stops29h 29m

Chicago O'Hare Intl

Mon 11/10

5:10 pm-12:20 pm

1 stop12h 10m

$538

BillundChicago

BLL - ORD

BLLORD

Billund

Wed 11/26

2:25 pm-8:05 pm

1 stop12h 40m

Chicago O'Hare Intl

Wed 12/3

12:50 pm-10:00 am

2 stops14h 10m

$552

BillundChicago

BLL - ORD

BLLORD

Billund

Mon 11/3

6:00 am-5:22 pm

2 stops18h 22m

Chicago O'Hare Intl

Mon 11/10

2:35 pm-2:35 pm

2 stops17h 00m

$560

BillundChicago

BLL - ORD

BLLORD

Billund

Wed 10/29

10:20 am-10:05 pm

2 stops17h 45m

Chicago O'Hare Intl

Sun 11/2

7:10 am-10:00 am

2 stops19h 50m

$1,556

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 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 $517.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Saturday when prices can be found for as low as $463. This is often the case because there is less demand to fly during this day of the week. On the other hand, Wednesday is the most expensive day to depart from Billund because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $697.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Billund in the morning is the least expensive time of day to depart. momondo users have found prices as low as $681 when looking at flights departing in the morning. Try not to purchase tickets at noon because they tend to be around $696. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $659 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 $533 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

Direct flights

None
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.
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  • 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 40m.

  • 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
7,480 reviews
Search Lufthansa flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
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Merrillville
Gurnee
Naperville
Rosemont
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New Buffalo
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Orland Park
Hammond
Tinley Park
Janesville
Elgin
Aurora
Benton Harbor

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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