Route Price Intelligence
Cheap Flights From Boise to Washington Dc - Dulles
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$350
Deals From
$297
Usually Costs
$297 – $421
Lowest We've Seen
$227
Based on 2,378 price pointshigh confidence
Monthly Price Guide
Jan
$297
Feb
$343
Mar
$353
Apr
$705
May
$397
Jun
$387
Jul
$381
Aug
$297
Sep
$297
Oct
$297
Nov
$331
Dec
$411
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 October, when fares average around $297. The most expensive month tends to be April at around $705. For the best deals, consider flying in October, January, August.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $22765 price checksWorst: $337