$440 Find Cheap Flights from Billund to Illinois - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Billund to Illinois departing on 9/29. 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 - 1:50 pmBLL  Billund-ORD Chicago O'Hare Intl
23h 00m1 stop London Heathrow
British Airways Logo
10:50 pm - 8:00 pmORD  Chicago O'Hare Intl-BLL Billund
15h 10m1 stop London Heathrow
$606British Airways
Wed, Sep 2 - Wed, Sep 9
British Airways Logo
9:50 pm - 4:00 pmBLL  Billund-ORD Chicago O'Hare Intl
25h 10m2 stops London Heathrow Charlotte Douglas
British Airways Logo
1:35 pm - 12:05 pmORD  Chicago O'Hare Intl-BLL Billund
15h 30m2 stops New York John F Kennedy Intl London Heathrow
$639British Airways
Wed, Sep 16 - Sat, Oct 24
Multiple Airlines Logo
12:10 pm - 9:35 pmBLL  Billund-ORD Chicago O'Hare Intl
16h 25m2 stops London Heathrow Boston Logan Intl
Multiple Airlines Logo
7:05 pm - 9:00 pmORD  Chicago O'Hare Intl-BLL Billund
18h 55m1 stop London Heathrow
$640Multiple Airlines
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
$647Air 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
$648Air Canada
Tue, Sep 1 - Tue, Sep 8
Lufthansa Logo
6:05 am - 1:25 pmBLL  Billund-STL Lambert-St Louis
14h 20m1 stop Frankfurt am Main
Lufthansa Logo
3:30 pm - 5:55 pmSTL  Lambert-St Louis-BLL Billund
19h 25m1 stop Frankfurt am Main
$649Lufthansa
Tue, Aug 25 - Mon, Aug 31
Delta Logo
6:00 am - 2:15 pmBLL  Billund-ORD Chicago O'Hare Intl
15h 15m1 stop Amsterdam Schiphol
Delta Logo
1:59 pm - 11:20 amORD  Chicago O'Hare Intl-BLL Billund
14h 21m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
$652Delta
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
$655Air Canada
Tue, Sep 1 - Tue, Sep 8
Lufthansa Logo
6:05 am - 1:25 pmBLL  Billund-STL Lambert-St Louis
14h 20m1 stop Frankfurt am Main
Lufthansa Logo
3:30 pm - 10:10 amSTL  Lambert-St Louis-BLL Billund
11h 40m1 stop Frankfurt am Main
$657Lufthansa
Tue, Aug 25 - Mon, Aug 31
Delta Logo
6:00 am - 4:51 pmBLL  Billund-ORD Chicago O'Hare Intl
17h 51m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
Delta Logo
1:59 pm - 11:20 amORD  Chicago O'Hare Intl-BLL Billund
14h 21m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
$657Delta
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 $717 and $1,026 in September.
The lowest price found in the past 5 days was $606 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

$440
Best time to beat the crowds with an average 23% drop in price.
Most popular time to fly with an average 17% increase in price.
Flight from Billund to St. Louis

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)