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Cheap flights from Billund to Chicago from $605

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 9/16. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Billund to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
9:50 pm - 1:50 pmBLL  Billund-ORD Chicago O'Hare Intl
23h 00m1 stop London Heathrow
British Airways Logo
10:50 pm - 7:55 pmORD  Chicago O'Hare Intl-BLL Billund
15h 05m1 stop London Heathrow
$605British Airways
Wed, Sep 16 - Sat, Oct 24
British Airways Logo
9:50 pm - 1:50 pmBLL  Billund-ORD Chicago O'Hare Intl
23h 00m1 stop London Heathrow
British Airways Logo
10:50 pm - 7:55 pmORD  Chicago O'Hare Intl-BLL Billund
15h 05m1 stop London Heathrow
$606British Airways
Wed, Sep 16 - Sat, Oct 24
Lufthansa Logo
6:00 am - 12:55 pmBLL  Billund-ORD Chicago O'Hare Intl
13h 55m1 stop Frankfurt am Main
Lufthansa Logo
11:15 pm - 11:25 pmORD  Chicago O'Hare Intl-BLL Billund
18h 10m1 stop Frankfurt am Main
$636Lufthansa
Wed, Sep 16 - Sat, Oct 24
Lufthansa Logo
6:00 am - 12:55 pmBLL  Billund-ORD Chicago O'Hare Intl
13h 55m1 stop Frankfurt am Main
Lufthansa Logo
11:15 pm - 11:25 pmORD  Chicago O'Hare Intl-BLL Billund
18h 10m1 stop Frankfurt am Main
$640Lufthansa
Wed, Sep 16 - Sat, Oct 24
Air Canada Logo
6:00 am - 8:12 pmBLL  Billund-ORD Chicago O'Hare Intl
21h 12m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
9:50 am - 10:50 amORD  Chicago O'Hare Intl-BLL Billund
18h 00m2 stops Toronto Pearson Intl Frankfurt am Main
$646Air Canada
Wed, Sep 16 - Sat, Oct 24
Air Canada Logo
6:00 am - 8:12 pmBLL  Billund-ORD Chicago O'Hare Intl
21h 12m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
9:50 am - 10:50 amORD  Chicago O'Hare Intl-BLL Billund
18h 00m2 stops Toronto Pearson Intl Frankfurt am Main
$653Air Canada
Wed, Sep 16 - Sat, Oct 24
KLM Logo
6:45 pm - 2:15 pmBLL  Billund-ORD Chicago O'Hare Intl
26h 30m1 stop Amsterdam Schiphol
KLM Logo
1:55 pm - 10:35 amORD  Chicago O'Hare Intl-BLL Billund
13h 40m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
$653KLM
Wed, Sep 16 - Sat, Oct 24
Air Canada Logo
6:00 am - 8:12 pmBLL  Billund-ORD Chicago O'Hare Intl
21h 12m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
9:50 am - 10:50 amORD  Chicago O'Hare Intl-BLL Billund
18h 00m2 stops Toronto Pearson Intl Frankfurt am Main
$656Air Canada
Wed, Sep 16 - Sat, Oct 24
Multiple Airlines Logo
2:20 pm - 2:15 pmBLL  Billund-ORD Chicago O'Hare Intl
30h 55m1 stop Amsterdam Schiphol
Multiple Airlines Logo
1:55 pm - 10:35 amORD  Chicago O'Hare Intl-BLL Billund
13h 40m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
$660Multiple Airlines
Wed, Sep 16 - Sat, Oct 24
Multiple Airlines Logo
2:20 pm - 2:15 pmBLL  Billund-ORD Chicago O'Hare Intl
30h 55m1 stop Amsterdam Schiphol
Multiple Airlines Logo
1:55 pm - 10:35 amORD  Chicago O'Hare Intl-BLL Billund
13h 40m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
$661Multiple Airlines
Wed, Sep 16 - Sat, Oct 24

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Lufthansa flights from Billund to Chicago

Our best Lufthansa deals on Billund to Chicago flight tickets
Lufthansa
Sep 16
BLL6:00 amBillund
13h 55m
1 stop
ORD12:55 pmChicago O'Hare Intl
Oct 24
ORD11:15 pmChicago O'Hare Intl
18h 10m
1 stop
BLL11:25 pmBillund
$636
Lufthansa
Sep 16
BLL6:00 amBillund
13h 55m
1 stop
ORD12:55 pmChicago O'Hare Intl
Oct 24
ORD11:15 pmChicago O'Hare Intl
18h 10m
1 stop
BLL11:25 pmBillund
$640
Lufthansa
Aug 27
BLL6:00 amBillund
12h 00m
1 stop
ORD11:00 amChicago O'Hare Intl
Aug 31
ORD6:30 pmChicago O'Hare Intl
12h 40m
1 stop
BLL2:10 pmBillund
$675

Air Canada flights from Billund to Chicago

Our best Air Canada deals on Billund to Chicago flight tickets
Air Canada
Sep 16
BLL6:00 amBillund
21h 12m
2 stops
ORD8:12 pmChicago O'Hare Intl
Oct 24
ORD9:50 amChicago O'Hare Intl
18h 00m
2 stops
BLL10:50 amBillund
$646
Air Canada
Sep 16
BLL6:00 amBillund
21h 12m
2 stops
ORD8:12 pmChicago O'Hare Intl
Oct 24
ORD9:50 amChicago O'Hare Intl
18h 00m
2 stops
BLL10:50 amBillund
$653
Air Canada
Sep 16
BLL6:00 amBillund
21h 12m
2 stops
ORD8:12 pmChicago O'Hare Intl
Oct 24
ORD9:50 amChicago O'Hare Intl
18h 00m
2 stops
BLL10:50 amBillund
$656

momondo Fare Finder

 
Customize your flight search to find flights from Billund to Chicago 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 16, 2026.
Use the filters below to find and compare flights from Billund to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BillundChicago

BLL Billund - ORD Chicago O'Hare Intl

BLLORD

Billund

Wed 9/16

9:50 pm-1:50 pm

1 stop23h 00m

Chicago O'Hare Intl

Sat 10/24

10:50 pm-7:55 pm

1 stop15h 05m

$605

BillundChicago

BLL Billund - ORD Chicago O'Hare Intl

BLLORD

Billund

Wed 9/16

9:50 pm-1:50 pm

1 stop23h 00m

Chicago O'Hare Intl

Sat 10/24

10:50 pm-7:55 pm

1 stop15h 05m

$606
Quickest round-trip

BillundChicago

BLL Billund - ORD Chicago O'Hare Intl

BLLORD

Billund

Wed 9/16

6:00 am-12:55 pm

1 stop13h 55m

Chicago O'Hare Intl

Sat 10/24

11:15 pm-11:25 pm

1 stop18h 10m

$636

BillundChicago

BLL Billund - ORD Chicago O'Hare Intl

BLLORD

Billund

Wed 9/16

6:00 am-12:55 pm

1 stop13h 55m

Chicago O'Hare Intl

Sat 10/24

11:15 pm-11:25 pm

1 stop18h 10m

$640

BillundChicago

BLL Billund - ORD Chicago O'Hare Intl

BLLORD

Billund

Wed 9/16

6:00 am-8:12 pm

2 stops21h 12m

Chicago O'Hare Intl

Sat 10/24

9:50 am-10:50 am

2 stops18h 00m

$646

BillundChicago

BLL Billund - ORD Chicago O'Hare Intl

BLLORD

Billund

Wed 9/16

6:00 am-8:12 pm

2 stops21h 12m

Chicago O'Hare Intl

Sat 10/24

9:50 am-10:50 am

2 stops18h 00m

$653

BillundChicago

BLL Billund - ORD Chicago O'Hare Intl

BLLORD

Billund

Wed 9/16

6:45 pm-2:15 pm

1 stop26h 30m

Chicago O'Hare Intl

Sat 10/24

1:55 pm-10:35 am

2 stops13h 40m

$653

BillundChicago

BLL Billund - ORD Chicago O'Hare Intl

BLLORD

Billund

Wed 9/16

6:00 am-8:12 pm

2 stops21h 12m

Chicago O'Hare Intl

Sat 10/24

9:50 am-10:50 am

2 stops18h 00m

$656

BillundChicago

BLL Billund - ORD Chicago O'Hare Intl

BLLORD

Billund

Wed 9/16

2:20 pm-2:15 pm

1 stop30h 55m

Chicago O'Hare Intl

Sat 10/24

1:55 pm-10:35 am

2 stops13h 40m

$660

BillundChicago

BLL Billund - ORD Chicago O'Hare Intl

BLLORD

Billund

Wed 9/16

2:20 pm-2:15 pm

1 stop30h 55m

Chicago O'Hare Intl

Sat 10/24

1:55 pm-10:35 am

2 stops13h 40m

$661

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

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $601 to $764.
The lowest price recently found on this route was $605.

What is the cheapest month to fly to Chicago?

The month of January is, on average, the cheapest month to fly to Chicago from Billund, with most prices found around $521. If you’re not able to fly to Chicago in January, then November is your next best option. Flight prices from Billund to Chicago during November average around $548.

Can stopping save me money on Billund to Chicago flights?

You could potentially save up to 12% on your flight if you consider stops on a Billund to Chicago flight.

When to book flights from Billund to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Billund to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Billund to Chicago (BLL to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Billund to Chicago

Fastest flight time

13h 55m

Direct flights

None
The fastest flight from Billund to Chicago takes 13h 55m
There are no direct flights from Billund to Chicago. There are no popular flight routes from Billund to Chicago.
Search flight deals

Frequently asked questions about flying from Billund to Chicago

  • How far is Billund to Chicago by plane?

    The straight-line distance from Billund to Chicago is 4131.8 mi. Flights usually cover this in 13h 55m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Billund Airport to Chicago?

    Prices for flights from Billund Airport to Chicago refresh daily.

  • How old do you have to be to fly from Billund Airport to Chicago?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Billund Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The required travel and health documents for your Chicago 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. 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
Merrillville
New Buffalo
Hammond
Portage
Benton Harbor
Lansing
Saint Joseph
Valparaiso
Schererville
Munster
Chesterton
Monticello
Crown Point
Porter
Griffith
Saint John

Why use momondo?

Why should I use momondo to find a flight deal from Billund to Chicago?

It is quick and easy to find Billund to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

Can I find flights from Billund to Chicago with flexible booking policies on momondo?

Yes. All flights to Chicago from Billund on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are not ready to book a flight from Billund to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport