Route Price Intelligence
Cheap Flights From Boston to Washington Dc - Dulles
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$233
Deals From
$217
Usually Costs
$217 – $247
Lowest We've Seen
$119
Based on 8,651 price pointshigh confidence
Monthly Price Guide
Jan
$227
Feb
$237
Mar
$248
Apr
$217
May
$167
Jun
$230
Jul
$230
Aug
$230
Sep
$237
Oct
$245
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 $167. The most expensive month tends to be March at around $248. For the best deals, consider flying in May, April, January.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $11989 price checksWorst: $180