Route Price Intelligence
Cheap Flights From Phoenix to Washington Dc - Dulles
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$301
Deals From
$257
Usually Costs
$257 – $368
Lowest We've Seen
$148
Based on 8,672 price pointshigh confidence
Monthly Price Guide
Jan
$300
Feb
$337
Mar
$388
Apr
$252
May
$232
Jun
$355
Jul
$320
Aug
$277
Sep
$300
Oct
$310
Nov
$337
Dec
$398
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 $232. The most expensive month tends to be December at around $398. 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: $14888 price checksWorst: $330