When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 48 days in advance, which can save you up to 82% on flights from Billund to Illinois compared to booking the week you need them. Waiting 48 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $492. For sooner than that we have options available in the next 3 days from $692.
Flights from Billund to Illinois lean towards being more expensive in July. Prices are generally better when you fly from Billund to Illinois in April, with the cheapest ticket starting at $359.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Billund to Illinois as you normally would.
Fly from
Fly to
Budget
$588 - $1,125
Route
Depart
Return
Price
BillundChicago O'Hare Intl
BLL - ORD
BLLORD
Billund
vie. 6/28
1 stop15h 20m
Chicago O'Hare Intl
vie. 7/5
1 stop18h 25m
BillundChicago O'Hare Intl
BLL - ORD
BLLORD
Billund
vie. 6/28
2 stops35h 45m
Chicago O'Hare Intl
vie. 7/5
2 stops43h 05m
BillundChicago O'Hare Intl
BLL - ORD
BLLORD
Billund
vie. 6/28
2 stops28h 34m
Chicago O'Hare Intl
vie. 7/5
3 stops32h 50m
BillundChicago O'Hare Intl
BLL - ORD
BLLORD
Billund
vie. 6/28
3 stops30h 24m
Chicago O'Hare Intl
vie. 7/5
3 stops23h 47m
No data available for this route at this time. Please check back soon.
Boarding
Overall
Crew
Comfort
Entertainment
Food
Reviews
Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.
Boarding
Overall
Crew
Comfort
Entertainment
Food
Reviews
Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.
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