Route Price Intelligence
Cheap Flights From Boston to Washington Dc - Dulles
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$217
Great Deal
Under $167
Typical Range
$167 – $227
Lowest We've Seen
$117
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$217
Feb
$217
Mar
$217
Apr
$255
May
—
Jun
—
Jul
$304
Aug
$167
Sep
$164
Oct
$167
Nov
$172
Dec
$217
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 September, when fares average around $164. The most expensive month tends to be July at around $304. For the best deals, consider flying in September, October, August.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route
Cheapest month: July44,524 fares analyzedTypical low: $212