Route Price Intelligence
Cheap Flights From Boston to Washington Dc - Dulles
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$227
Deals From
$207
Usually Costs
$207 – $248
Lowest We've Seen
$131
Based on 8,629 price pointshigh confidence
Monthly Price Guide
Jan
$237
Feb
$237
Mar
$252
Apr
$206
May
$180
Jun
$237
Jul
$227
Aug
$227
Sep
$235
Oct
$237
Nov
$237
Dec
$237
Cheapest Average Expensive
Best Time to Fly from Boston to Washington Dc - Dulles
The cheapest time to fly from Boston to Washington Dc - Dulles is typically May, when fares average around $180. The most expensive month tends to be March at around $252. For the best deals, consider flying in May, April, July.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $13189 price checksWorst: $180