Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Billund to Chicago from $474

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 4/25. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Billund to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
12:30 pm - 6:15 pm
BLL
-
ORD
12h 45m
1 stop
British Airways Logo
4:36 pm - 4:20 pm
ORD
-
BLL
16h 44m
2 stops
$474British Airways
Sat, Apr 25 - Wed, Apr 29
British Airways Logo
12:30 pm - 6:15 pm
BLL
-
ORD
12h 45m
1 stop
British Airways Logo
4:36 pm - 4:20 pm
ORD
-
BLL
16h 44m
2 stops
$514British Airways
Sat, Apr 25 - Wed, Apr 29
British Airways Logo
12:30 pm - 6:15 pm
BLL
-
ORD
12h 45m
1 stop
British Airways Logo
7:05 pm - 4:20 pm
ORD
-
BLL
14h 15m
1 stop
$524British Airways
Sat, Apr 25 - Wed, Apr 29
British Airways Logo
12:30 pm - 6:15 pm
BLL
-
ORD
12h 45m
1 stop
British Airways Logo
4:36 pm - 4:20 pm
ORD
-
BLL
16h 44m
2 stops
$526British Airways
Sat, Apr 25 - Wed, Apr 29
Lufthansa Logo
6:00 am - 7:55 pm
BLL
-
ORD
20h 55m
1 stop
Lufthansa Logo
4:05 pm - 10:05 am
ORD
-
BLL
11h 00m
1 stop
$590Lufthansa
Thu, May 7 - Mon, May 11
Multiple Airlines Logo
6:00 am - 2:15 pm
BLL
-
ORD
15h 15m
1 stop
Multiple Airlines Logo
12:14 pm - 9:35 am
ORD
-
BLL
14h 21m
2 stops
$600Multiple Airlines
Sat, Apr 25 - Wed, Apr 29
British Airways Logo
12:30 pm - 11:54 pm
BLL
-
ORD
18h 24m
2 stops
British Airways Logo
4:36 pm - 4:20 pm
ORD
-
BLL
16h 44m
2 stops
$603British Airways
Sat, Apr 25 - Wed, Apr 29
KLM Logo
11:45 am - 6:33 pm
BLL
-
MDW
13h 48m
2 stops
KLM Logo
1:22 pm - 9:35 am
MDW
-
BLL
13h 13m
2 stops
$616KLM
Thu, May 7 - Mon, May 11
Delta Logo
6:00 am - 2:15 pm
BLL
-
ORD
15h 15m
1 stop
Delta Logo
7:00 pm - 3:45 pm
ORD
-
BLL
13h 45m
2 stops
$628Delta
Thu, May 7 - Mon, May 11
Delta Logo
6:40 am - 5:58 pm
BLL
-
MDW
18h 18m
2 stops
Delta Logo
9:27 am - 9:35 am
MDW
-
BLL
17h 08m
2 stops
$640Delta
Sat, Apr 25 - Wed, Apr 29

Lufthansa flights from Billund to Chicago

Our best Lufthansa deals on Billund to Chicago flight tickets
Lufthansa
May 7
BLL6:00 amBillund
20h 55m
1 stop
ORD7:55 pmChicago O'Hare Intl
May 11
ORD4:05 pmChicago O'Hare Intl
11h 00m
1 stop
BLL10:05 amBillund
$590
Lufthansa
Jun 18
BLL6:00 amBillund
12h 00m
1 stop
ORD11:00 amChicago O'Hare Intl
Jun 21
ORD10:30 pmChicago O'Hare Intl
28h 35m
1 stop
BLL10:05 amBillund
$665
Lufthansa
Jun 18
BLL6:00 amBillund
15h 55m
1 stop
ORD2:55 pmChicago O'Hare Intl
Jun 21
ORD10:30 pmChicago O'Hare Intl
28h 35m
1 stop
BLL10:05 amBillund
$666

Delta flights from Billund to Chicago

Our best Delta deals on Billund to Chicago flight tickets
Delta
May 7
BLL6:00 amBillund
15h 15m
1 stop
ORD2:15 pmChicago O'Hare Intl
May 11
ORD7:00 pmChicago O'Hare Intl
13h 45m
2 stops
BLL3:45 pmBillund
$628
Delta
May 7
BLL11:45 amBillund
15h 29m
2 stops
ORD8:14 pmChicago O'Hare Intl
May 11
ORD7:00 pmChicago O'Hare Intl
13h 45m
2 stops
BLL3:45 pmBillund
$633
Delta
Apr 25
BLL6:40 amBillund
18h 31m
2 stops
ORD6:11 pmChicago O'Hare Intl
Apr 29
ORD12:14 pmChicago O'Hare Intl
14h 21m
2 stops
BLL9:35 amBillund
$640

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 March 27, 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 - ORD

BLLORD

Billund

Sat 4/25

12:30 pm-6:15 pm

1 stop12h 45m

Chicago O'Hare Intl

Wed 4/29

4:36 pm-4:20 pm

2 stops16h 44m

$474

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 4/25

12:30 pm-6:15 pm

1 stop12h 45m

Chicago O'Hare Intl

Wed 4/29

4:36 pm-4:20 pm

2 stops16h 44m

$514
Quickest round-trip

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 4/25

12:30 pm-6:15 pm

1 stop12h 45m

Chicago O'Hare Intl

Wed 4/29

7:05 pm-4:20 pm

1 stop14h 15m

$524

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 4/25

12:30 pm-6:15 pm

1 stop12h 45m

Chicago O'Hare Intl

Wed 4/29

4:36 pm-4:20 pm

2 stops16h 44m

$526

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 5/7

6:00 am-7:55 pm

1 stop20h 55m

Chicago O'Hare Intl

Mon 5/11

4:05 pm-10:05 am

1 stop11h 00m

$590

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 4/25

6:00 am-2:15 pm

1 stop15h 15m

Chicago O'Hare Intl

Wed 4/29

12:14 pm-9:35 am

2 stops14h 21m

$600

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 4/25

12:30 pm-11:54 pm

2 stops18h 24m

Chicago O'Hare Intl

Wed 4/29

4:36 pm-4:20 pm

2 stops16h 44m

$603

BillundChicago

BLL - MDW

BLLMDW

Billund

Thu 5/7

11:45 am-6:33 pm

2 stops13h 48m

Chicago Midway

Mon 5/11

1:22 pm-9:35 am

2 stops13h 13m

$616

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 5/7

6:00 am-2:15 pm

1 stop15h 15m

Chicago O'Hare Intl

Mon 5/11

7:00 pm-3:45 pm

2 stops13h 45m

$628

BillundChicago

BLL - MDW

BLLMDW

Billund

Sat 4/25

6:40 am-5:58 pm

2 stops18h 18m

Chicago Midway

Wed 4/29

9:27 am-9:35 am

2 stops17h 08m

$640

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?

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 $525. If you’re not able to fly to Chicago in January, then April is your next best option. Flight prices from Billund to Chicago during April average around $537.

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 $666 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 $504 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
7,871 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
Saint Joseph
Benton Harbor
Portage
Lansing
Valparaiso
Schererville
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.

An easier way to manage your Chicago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 4/26
Sun 5/3
By creating a price alert you accept our terms of use and privacy policy.

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