How to find the cheapest flight from
Detroit (DTT) to Illinois
How far in advance should I book a flight from Detroit to Illinois?
Find a great deal and save up to 10% by booking at least 37 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Detroit to Illinois within the next two weeks, with the cheapest ticket starting at $177.
One-way flights to Illinois from Detroit
The cheapest one-way flights from Detroit to Illinois
3:10 am - 3:03 am
3:00 am - 11:58 am
Related info for your journey
Useful info, stats and facts about Detroit to Illinois flights.
Arrival points for flights from Detroit to Illinois
Destination information for Illinois
Things to know before you go. Useful info for your trip from Detroit to Illinois