$477 Find Cheap Flights from Billund to Illinois - Compare and Save

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Billund to Illinois departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Book Cheap Billund to Illinois Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Billund to Illinois that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Billund to Illinois

Wed, Sep 16 - Sat, Oct 24
British Airways Logo
9:50 pm - 2:55 pm
BLL
-
ORD
24h 05m
1 stop
British Airways Logo
5:00 pm - 9:00 pm
ORD
-
BLL
21h 00m
1 stop
$477British Airways
Wed, Sep 16 - Sat, Oct 24
British Airways Logo
9:50 pm - 2:55 pm
BLL
-
ORD
24h 05m
1 stop
British Airways Logo
5:00 pm - 9:00 pm
ORD
-
BLL
21h 00m
1 stop
$479British Airways
Wed, Sep 16 - Sat, Oct 24
British Airways Logo
9:50 pm - 2:55 pm
BLL
-
ORD
24h 05m
1 stop
British Airways Logo
5:00 pm - 9:00 pm
ORD
-
BLL
21h 00m
1 stop
$480British Airways
Thu, Sep 10 - Mon, Sep 14
Lufthansa Logo
2:45 pm - 7:55 pm
BLL
-
ORD
12h 10m
1 stop
Lufthansa Logo
4:05 pm - 2:10 pm
ORD
-
BLL
15h 05m
1 stop
$603Lufthansa
Thu, Sep 10 - Mon, Sep 14
Multiple Airlines Logo
2:20 pm - 2:15 pm
BLL
-
ORD
30h 55m
1 stop
Multiple Airlines Logo
5:10 pm - 11:20 am
ORD
-
BLL
11h 10m
1 stop
$606Multiple Airlines
Tue, Sep 8 - Tue, Sep 15
Delta Logo
6:00 am - 4:57 pm
BLL
-
MDW
17h 57m
2 stops
Delta Logo
1:00 pm - 11:20 am
MDW
-
BLL
15h 20m
2 stops
$637Delta
Wed, Sep 16 - Sat, Oct 24
Multiple Airlines Logo
10:15 am - 6:19 pm
BLL
-
MDW
15h 04m
2 stops
Multiple Airlines Logo
1:28 pm - 10:35 am
MDW
-
BLL
14h 07m
2 stops
$641Multiple Airlines
Wed, Sep 16 - Sat, Oct 24
KLM Logo
10:15 am - 6:19 pm
BLL
-
MDW
15h 04m
2 stops
KLM Logo
1:28 pm - 10:35 am
MDW
-
BLL
14h 07m
2 stops
$644KLM
Thu, Sep 10 - Mon, Sep 14
Delta Logo
10:15 am - 6:19 pm
BLL
-
MDW
15h 04m
2 stops
Delta Logo
9:59 am - 9:35 am
MDW
-
BLL
16h 36m
2 stops
$645Delta
Thu, Aug 6 - Thu, Aug 13
Lufthansa Logo
6:00 am - 3:46 pm
BLL
-
STL
16h 46m
2 stops
Lufthansa Logo
12:59 pm - 10:00 am
STL
-
BLL
14h 01m
2 stops
$664Lufthansa
Booking Insights

KAYAK's insights & trends for Billund to Illinois flights

Get data-powered insights and trends into flights from Billund to Illinois to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Billund to Illinois?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Billund to Illinois departing in September.

Flight prices are below average for this route right now.

Flights to Illinois from Billund usually cost between $680 and $995 in September.
The lowest price found in the past 5 days was $477 on British Airways (Sep 16-Oct 24).

What is the cheapest month to fly from Billund to Illinois?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Billund to Illinois, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Billund to Illinois is January, when tickets cost $521 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of round-trip tickets is $861 and $807 respectively.

Find deals

Good to know

Low season

January

Cheapest flight

$477
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly with an average 17% increase in price.
Flight from Billund to Chicago

FAQs - booking Illinois flights

  • How does KAYAK find such low prices on flights from Billund to Illinois?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Billund to Illinois.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Billund to Illinois?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Billund to Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Billund to Illinois?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Billund to Illinois with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Billund to Illinois?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Billund to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Billund to Illinois

Information on your arrival and departure airports

Billund (BLL)