Route Price Intelligence
Cheap Flights From Chicago to Washington Dc - Dulles
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$250
Deals From
$210
Usually Costs
$210 – $289
Lowest We've Seen
$136
Based on 3,040 price pointshigh confidence
Monthly Price Guide
Jan
$289
Feb
$239
Mar
$319
Apr
$222
May
$185
Jun
$224
Jul
$230
Aug
$230
Sep
$289
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 $185. The most expensive month tends to be March at around $319. For the best deals, consider flying in May, April, June.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $13772 price checksWorst: $180