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Cheap flights from Billund to Chicago from $448

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 10/16. 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 (BLL-ORD)

Cheap round-trip flights

Lufthansa Logo
6:00 am - 12:55 pmBLL-ORD
13h 55m1 stop
Lufthansa Logo
4:00 pm - 10:10 amORD-BLL
11h 10m1 stop
$448Lufthansa
Find Deal
Thu, Oct 16 - Wed, Oct 22
Air France Logo
6:35 pm - 2:40 pmBLL-ORD
27h 05m1 stop
Air France Logo
4:15 pm - 1:30 pmORD-BLL
14h 15m1 stop
$499Air France
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Tue, Sep 16 - Sat, Sep 27
Logo
2:45 pm - 7:55 pmBLL-ORD
12h 10m1 stop
Logo
9:55 am - 10:40 amORD-BLL
17h 45m2 stops
$502
Find Deal
Mon, Oct 20 - Sat, Oct 25
Air France Logo
6:35 pm - 2:40 pmBLL-ORD
27h 05m1 stop
Air France Logo
5:15 pm - 1:30 pmORD-BLL
13h 15m2 stops
$503Air France
Find Deal
Tue, Sep 16 - Sat, Sep 27
Logo
6:35 pm - 2:40 pmBLL-ORD
27h 05m1 stop
Logo
4:15 pm - 9:30 amORD-BLL
10h 15m1 stop
$504
Find Deal
Tue, Sep 16 - Sat, Sep 27
KLM Logo
6:00 am - 2:10 pmBLL-ORD
15h 10m1 stop
KLM Logo
4:15 pm - 1:30 pmORD-BLL
14h 15m1 stop
$531KLM
Find Deal
Fri, Sep 12 - Sat, Sep 27
Delta Logo
6:00 am - 2:10 pmBLL-ORD
15h 10m1 stop
Delta Logo
10:15 am - 9:30 amORD-BLL
16h 15m2 stops
$532Delta
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Fri, Sep 12 - Sat, Sep 27
Delta Logo
11:55 am - 9:15 pmBLL-ORD
16h 20m2 stops
Delta Logo
11:15 am - 9:30 amORD-BLL
15h 15m2 stops
$535Delta
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Tue, Sep 16 - Sat, Sep 27
Air Canada Logo
6:00 am - 2:55 pmBLL-ORD
15h 55m2 stops
Air Canada Logo
10:40 am - 2:00 pmORD-BLL
20h 20m2 stops
$828Air Canada
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Thu, Sep 11 - Mon, Sep 15
Air Canada Logo
6:00 am - 2:55 pmBLL-ORD
15h 55m2 stops
Air Canada Logo
3:50 pm - 2:00 pmORD-BLL
15h 10m2 stops
$831Air Canada
Find Deal
Thu, Sep 11 - Mon, Sep 15

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
Sep 11
BLL6:00 amBillund
15h 55m
2 stops
ORD2:55 pmChicago O'Hare Intl
Sep 15
ORD10:40 amChicago O'Hare Intl
20h 20m
2 stops
BLL2:00 pmBillund
$828
Find similar
Air Canada
Sep 11
BLL6:00 amBillund
15h 55m
2 stops
ORD2:55 pmChicago O'Hare Intl
Sep 15
ORD3:50 pmChicago O'Hare Intl
15h 10m
2 stops
BLL2:00 pmBillund
$831
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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
Oct 16
BLL6:00 amBillund
13h 55m
1 stop
ORD12:55 pmChicago O'Hare Intl
Oct 22
ORD4:00 pmChicago O'Hare Intl
11h 10m
1 stop
BLL10:10 amBillund
$448
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Lufthansa
Sep 11
BLL6:00 amBillund
19h 15m
1 stop
ORD6:15 pmChicago O'Hare Intl
Sep 15
ORD3:35 pmChicago O'Hare Intl
13h 50m
1 stop
BLL12:25 pmBillund
$505
Find similar
Lufthansa
Sep 17
BLL1:05 pmBillund
12h 10m
1 stop
ORD6:15 pmChicago O'Hare Intl
Sep 28
ORD4:00 pmChicago O'Hare Intl
11h 05m
1 stop
BLL10:05 amBillund
$528
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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 August 26, 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

Thu 10/16

6:00 am-12:55 pm

1 stop13h 55m

Chicago O'Hare Intl

Wed 10/22

4:00 pm-10:10 am

1 stop11h 10m

$448

BillundChicago

BLL - ORD

BLLORD

Billund

Tue 9/16

6:35 pm-2:40 pm

1 stop27h 05m

Chicago O'Hare Intl

Sat 9/27

4:15 pm-1:30 pm

1 stop14h 15m

$499

BillundChicago

BLL - ORD

BLLORD

Billund

Mon 10/20

2:45 pm-7:55 pm

1 stop12h 10m

Chicago O'Hare Intl

Sat 10/25

9:55 am-10:40 am

2 stops17h 45m

$502

BillundChicago

BLL - ORD

BLLORD

Billund

Tue 9/16

6:35 pm-2:40 pm

1 stop27h 05m

Chicago O'Hare Intl

Sat 9/27

5:15 pm-1:30 pm

2 stops13h 15m

$503

BillundChicago

BLL - ORD

BLLORD

Billund

Tue 9/16

6:35 pm-2:40 pm

1 stop27h 05m

Chicago O'Hare Intl

Sat 9/27

4:15 pm-9:30 am

1 stop10h 15m

$504

BillundChicago

BLL - ORD

BLLORD

Billund

Fri 9/12

6:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Sat 9/27

4:15 pm-1:30 pm

1 stop14h 15m

$531

BillundChicago

BLL - ORD

BLLORD

Billund

Fri 9/12

6:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Sat 9/27

10:15 am-9:30 am

2 stops16h 15m

$532

BillundChicago

BLL - ORD

BLLORD

Billund

Tue 9/16

11:55 am-9:15 pm

2 stops16h 20m

Chicago O'Hare Intl

Sat 9/27

11:15 am-9:30 am

2 stops15h 15m

$535

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 9/11

6:00 am-2:55 pm

2 stops15h 55m

Chicago O'Hare Intl

Mon 9/15

10:40 am-2:00 pm

2 stops20h 20m

$828

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 9/11

6:00 am-2:55 pm

2 stops15h 55m

Chicago O'Hare Intl

Mon 9/15

3:50 pm-2:00 pm

2 stops15h 10m

$831

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 $579.

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 $658 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 $564 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 10m.

  • 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
7,359 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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Hammond
Tinley Park
Orland Park
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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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