Route Price Intelligence
Cheap Flights From Chicago to Washington Dc - Dulles
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$289
Deals From
$225
Usually Costs
$225 – $289
Lowest We've Seen
$136
Based on 813 price pointshigh confidence
Monthly Price Guide
Jan
$289
Feb
—
Mar
—
Apr
$236
May
$185
Jun
$226
Jul
$230
Aug
$230
Sep
$289
Oct
$289
Nov
$299
Dec
$289
Cheapest Average Expensive
Best Time to Fly from Chicago to Washington Dc - Dulles
The cheapest time to fly from Chicago to Washington Dc - Dulles is typically May, when fares average around $185. The most expensive month tends to be November at around $299. For the best deals, consider flying in May, June, July.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $13769 price checksWorst: $180