Route Price Intelligence
Cheap Flights From Phoenix to Washington Dc - Dulles
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$354
Deals From
$270
Usually Costs
$270 – $405
Lowest We've Seen
$148
Based on 3,909 price pointshigh confidence
Monthly Price Guide
Jan
$400
Feb
$367
Mar
$400
Apr
$280
May
$225
Jun
$250
Jul
$318
Aug
$320
Sep
$391
Oct
$367
Nov
$390
Dec
$436
Cheapest Average Expensive
Best Time to Fly from Phoenix to Washington Dc - Dulles
The cheapest time to fly from Phoenix to Washington Dc - Dulles is typically May, when fares average around $225. The most expensive month tends to be December at around $436. For the best deals, consider flying in May, June, April.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $16074 price checksWorst: $330