August is the cheapest month to fly this route, with average fares around $893 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $1100 | $925 | Peak | |
| June 2026 | $1042 | $939 | ||
| July 2026 | $942 | $855 | ||
| August 2026 | $893 | $865 | Best |
Departing on Tuesday offers the lowest average fares at $964. Saturday departures are the most expensive at $1031, a difference of $67.
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 Chicago to Paris is August, with average round-trip fares around $893. The lowest fare found in August is $865.
Tuesday departures are the cheapest, averaging $964 round trip. The most expensive day is Saturday at $1031.
Based on current pricing trends, booking for August travel offers the best value. Avoid May if possible, as fares average $1100 compared to $893 in the cheapest month. June is a solid middle-ground option at $1042.
Flying in August instead of May can save you approximately $207 per round trip. The cheapest month averages $893 while the most expensive averages $1100.
Airlines, flight times, price calendar, and more for Chicago to Paris
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