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Cheap flights from Billund to Chicago from $495

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 3/2. 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.
Air France Logo
10:25 am - 2:20 pm
BLL
-
ORD
10h 55m
1 stop
Air France Logo
6:20 pm - 2:35 pm
ORD
-
BLL
14h 15m
1 stop
$495Air France
Mon, Mar 2 - Mon, Mar 9
Multiple Airlines Logo
12:05 pm - 8:44 pm
BLL
-
ORD
15h 39m
2 stops
Multiple Airlines Logo
6:20 pm - 2:35 pm
ORD
-
BLL
14h 15m
1 stop
$505Multiple Airlines
Mon, Mar 2 - Mon, Mar 9
Delta Logo
12:05 pm - 8:44 pm
BLL
-
ORD
15h 39m
2 stops
Delta Logo
5:40 pm - 1:50 pm
ORD
-
BLL
14h 10m
2 stops
$542Delta
Mon, Mar 2 - Mon, Mar 9
Delta Logo
6:00 am - 5:45 pm
BLL
-
MDW
18h 45m
2 stops
Delta Logo
1:10 pm - 9:40 am
MDW
-
BLL
14h 30m
2 stops
$542Delta
Mon, Mar 2 - Mon, Mar 9
United Airlines Logo
6:45 am - 3:20 pm
BLL
-
ORD
15h 35m
1 stop
United Airlines Logo
6:25 pm - 1:25 pm
ORD
-
BLL
12h 00m
1 stop
$564United Airlines
Sat, Feb 28 - Wed, Mar 4
Multiple Airlines Logo
6:30 am - 4:10 pm
BLL
-
ORD
15h 40m
1 stop
Multiple Airlines Logo
4:20 pm - 9:35 am
ORD
-
BLL
10h 15m
1 stop
$567Multiple Airlines
Tue, Mar 24 - Sat, Apr 11
Multiple Airlines Logo
6:30 am - 4:10 pm
BLL
-
ORD
15h 40m
1 stop
Multiple Airlines Logo
4:20 pm - 9:35 am
ORD
-
BLL
10h 15m
1 stop
$568Multiple Airlines
Tue, Mar 24 - Sat, Apr 11
United Airlines Logo
6:45 am - 6:41 pm
BLL
-
ORD
18h 56m
2 stops
United Airlines Logo
10:55 am - 10:00 am
ORD
-
BLL
16h 05m
2 stops
$569United Airlines
Sat, Feb 28 - Wed, Mar 4
United Airlines Logo
2:15 pm - 11:43 pm
BLL
-
ORD
16h 28m
2 stops
United Airlines Logo
12:00 pm - 10:00 am
ORD
-
BLL
15h 00m
2 stops
$570United Airlines
Sat, Feb 28 - Wed, Mar 4
Lufthansa Logo
10:15 am - 4:20 pm
BLL
-
ORD
12h 05m
1 stop
Lufthansa Logo
10:30 pm - 11:35 pm
ORD
-
BLL
18h 05m
1 stop
$601Lufthansa
Tue, Mar 24 - Sat, Apr 11

United Airlines flights from Billund to Chicago

Our best United Airlines deals on Billund to Chicago flight tickets
United Airlines
Feb 28
BLL6:45 amBillund
15h 35m
1 stop
ORD3:20 pmChicago O'Hare Intl
Mar 4
ORD6:25 pmChicago O'Hare Intl
12h 00m
1 stop
BLL1:25 pmBillund
$564
United Airlines
Feb 28
BLL6:45 amBillund
18h 56m
2 stops
ORD6:41 pmChicago O'Hare Intl
Mar 4
ORD10:55 amChicago O'Hare Intl
16h 05m
2 stops
BLL10:00 amBillund
$569
United Airlines
Feb 28
BLL2:15 pmBillund
16h 28m
2 stops
ORD11:43 pmChicago O'Hare Intl
Mar 4
ORD12:00 pmChicago O'Hare Intl
15h 00m
2 stops
BLL10:00 amBillund
$570

Air France flights from Billund to Chicago

Our best Air France deals on Billund to Chicago flight tickets
Air France
Mar 2
BLL10:25 amBillund
10h 55m
1 stop
ORD2:20 pmChicago O'Hare Intl
Mar 9
ORD6:20 pmChicago O'Hare Intl
14h 15m
1 stop
BLL2:35 pmBillund
$495
Air France
Mar 21
BLL10:25 amBillund
15h 50m
2 stops
ORD8:15 pmChicago O'Hare Intl
Apr 11
ORD2:05 pmChicago O'Hare Intl
13h 20m
2 stops
BLL10:25 amBillund
$947
Air France
Mar 27
BLL10:25 amBillund
10h 55m
1 stop
ORD3:20 pmChicago O'Hare Intl
Apr 11
ORD2:05 pmChicago O'Hare Intl
13h 20m
2 stops
BLL10:25 amBillund
$1,024

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 February 3, 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

BillundChicago

BLL - ORD

BLLORD

Billund

Mon 3/2

10:25 am-2:20 pm

1 stop10h 55m

Chicago O'Hare Intl

Mon 3/9

6:20 pm-2:35 pm

1 stop14h 15m

$495

BillundChicago

BLL - ORD

BLLORD

Billund

Mon 3/2

12:05 pm-8:44 pm

2 stops15h 39m

Chicago O'Hare Intl

Mon 3/9

6:20 pm-2:35 pm

1 stop14h 15m

$505

BillundChicago

BLL - ORD

BLLORD

Billund

Mon 3/2

12:05 pm-8:44 pm

2 stops15h 39m

Chicago O'Hare Intl

Mon 3/9

5:40 pm-1:50 pm

2 stops14h 10m

$542

BillundChicago

BLL - MDW

BLLMDW

Billund

Mon 3/2

6:00 am-5:45 pm

2 stops18h 45m

Chicago Midway

Mon 3/9

1:10 pm-9:40 am

2 stops14h 30m

$542

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 2/28

6:45 am-3:20 pm

1 stop15h 35m

Chicago O'Hare Intl

Wed 3/4

6:25 pm-1:25 pm

1 stop12h 00m

$564

BillundChicago

BLL - ORD

BLLORD

Billund

Tue 3/24

6:30 am-4:10 pm

1 stop15h 40m

Chicago O'Hare Intl

Sat 4/11

4:20 pm-9:35 am

1 stop10h 15m

$567

BillundChicago

BLL - ORD

BLLORD

Billund

Tue 3/24

6:30 am-4:10 pm

1 stop15h 40m

Chicago O'Hare Intl

Sat 4/11

4:20 pm-9:35 am

1 stop10h 15m

$568

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 2/28

6:45 am-6:41 pm

2 stops18h 56m

Chicago O'Hare Intl

Wed 3/4

10:55 am-10:00 am

2 stops16h 05m

$569

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 2/28

2:15 pm-11:43 pm

2 stops16h 28m

Chicago O'Hare Intl

Wed 3/4

12:00 pm-10:00 am

2 stops15h 00m

$570

BillundChicago

BLL - ORD

BLLORD

Billund

Tue 3/24

10:15 am-4:20 pm

1 stop12h 05m

Chicago O'Hare Intl

Sat 4/11

10:30 pm-11:35 pm

1 stop18h 05m

$601

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 cheapest month to fly to Chicago?

The month of December is, on average, the cheapest month to fly to Chicago from Billund, with most prices found around $530. If you’re not able to fly to Chicago in December, then April is your next best option. Flight prices from Billund to Chicago during April average around $538.

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Billund when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $670 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Billund for as low as $519 on momondo.

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

10h 55m

Direct flights

None
The fastest flight from Billund to Chicago takes 10h 55m
There are no direct flights from Billund to Chicago. There are no popular flight routes from Billund to Chicago.
Search flight deals

  • 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 10h 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 many operators does momondo search for flights from Billund Airport to Chicago?

  • 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.

Best airlines flying from Billund to Chicago

Compare and see reviews for airlines that fly from Billund to Chicago with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $530Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Portage
Lansing
Schererville
Valparaiso
Munster
Crown Point
Chesterton
Monticello
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