Route Price Intelligence
Cheap Flights From Boston to Washington Dc - Dulles
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$235
Deals From
$226
Usually Costs
$226 – $247
Lowest We've Seen
$119
Based on 3,384 price pointshigh confidence
Monthly Price Guide
Jan
$226
Feb
$235
Mar
$236
Apr
$248
May
$175
Jun
$230
Jul
$230
Aug
$231
Sep
$236
Oct
$245
Nov
$236
Dec
$235
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 $175. The most expensive month tends to be April at around $248. For the best deals, consider flying in May, January, June.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $11971 price checksWorst: $180