August is the cheapest month to fly this route, with average fares around $204 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $230 | $210 | Peak | |
| June 2026 | $209 | $190 | ||
| July 2026 | $213 | $190 | ||
| August 2026 | $204 | $190 | Best |
Departing on Tuesday offers the lowest average fares at $193. Saturday departures are the most expensive at $225, a difference of $32.
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 Raleigh to Chicago is August, with average round-trip fares around $204. The lowest fare found in August is $190.
Tuesday departures are the cheapest, averaging $193 round trip. The most expensive day is Saturday at $225.
Based on current pricing trends, booking for August travel offers the best value. Avoid May if possible, as fares average $230 compared to $204 in the cheapest month. July is a solid middle-ground option at $213.
Flying in August instead of May can save you approximately $26 per round trip. The cheapest month averages $204 while the most expensive averages $230.
Airlines, flight times, price calendar, and more for Raleigh to Chicago
View RDU → ORD Details