Route Price Intelligence
Cheap Flights From St. Louis to Washington Dc
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$276
Great Deal
Under $207
Typical Range
$207 – $328
Lowest We've Seen
$136
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$236
Feb
$236
Mar
$335
Apr
$325
May
$325
Jun
—
Jul
—
Aug
$336
Sep
$207
Oct
$207
Nov
$248
Dec
$276
Cheapest Average Expensive
Best Time to Fly from St. Louis to Washington Dc
The cheapest time to fly from St. Louis to Washington Dc is typically October, when fares average around $207. The most expensive month tends to be August at around $336. For the best deals, consider flying in October, September, January.
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: August18,004 fares analyzedTypical low: $306