August is the cheapest month to fly this route, with average fares around $177 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $220 | $164 | Peak | |
| June 2026 | $178 | $137 | ||
| July 2026 | $182 | $137 | ||
| August 2026 | $177 | $137 | Best |
Departing on Tuesday offers the lowest average fares at $142. Saturday departures are the most expensive at $221, a difference of $79.
The best time to fly is August. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Detroit to Chicago is August, with average round-trip fares around $177. The lowest fare found in August is $137.
Tuesday departures are the cheapest, averaging $142 round trip. The most expensive day is Saturday at $221.
Based on current pricing trends, booking for August travel offers the best value. Avoid May if possible, as fares average $220 compared to $177 in the cheapest month. July is a solid middle-ground option at $182.
Flying in August instead of May can save you approximately $43 per round trip. The cheapest month averages $177 while the most expensive averages $220.
Airlines, flight times, price calendar, and more for Detroit to Chicago
View DTW → ORD Details