Route Price Intelligence
Cheap Flights From Phoenix to Washington Dc - Dulles
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$337
Deals From
$254
Usually Costs
$254 – $390
Lowest We've Seen
$148
Based on 8,557 price pointshigh confidence
Monthly Price Guide
Jan
$361
Feb
$351
Mar
$372
Apr
$261
May
$225
Jun
$285
Jul
$334
Aug
$283
Sep
$362
Oct
$354
Nov
$368
Dec
$428
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 $428. For the best deals, consider flying in May, April, August.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $16090 price checksWorst: $330