Route Price Intelligence
Cheap Flights From Boise to Washington Dc - Dulles
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$411
Deals From
$342
Usually Costs
$342 – $451
Lowest We've Seen
$227
Based on 7,426 price pointshigh confidence
Monthly Price Guide
Jan
$411
Feb
$411
Mar
$841
Apr
$473
May
$396
Jun
$438
Jul
$422
Aug
$406
Sep
$406
Oct
$408
Nov
$411
Dec
$439
Cheapest Average Expensive
Best Time to Fly from Boise to Washington Dc - Dulles
The cheapest time to fly from Boise to Washington Dc - Dulles is typically May, when fares average around $396. The most expensive month tends to be March at around $841. For the best deals, consider flying in May, August, September.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $22785 price checksWorst: $337