Route Price Intelligence
Cheap Flights From Portland to Washington Dc - Dulles
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$379
Deals From
$337
Usually Costs
$337 – $418
Lowest We've Seen
$157
Based on 8,692 price pointshigh confidence
Monthly Price Guide
Jan
$337
Feb
$337
Mar
$748
Apr
$373
May
$357
Jun
$410
Jul
$404
Aug
$388
Sep
$337
Oct
$337
Nov
$367
Dec
$409
Cheapest Average Expensive
Best Time to Fly from Portland to Washington Dc - Dulles
The cheapest time to fly from Portland to Washington Dc - Dulles is typically October, when fares average around $337. The most expensive month tends to be March at around $748. For the best deals, consider flying in October, January, February.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $15786 price checksWorst: $306