Route Price Intelligence
Cheap Flights From Chicago to Washington Dc - Dulles
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$236
Deals From
$205
Usually Costs
$205 – $289
Lowest We've Seen
$136
Based on 1,414 price pointshigh confidence
Monthly Price Guide
Jan
$289
Feb
$239
Mar
$319
Apr
$236
May
$181
Jun
$210
Jul
$224
Aug
$224
Sep
$280
Oct
$289
Nov
$289
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 $181. The most expensive month tends to be March at around $319. 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