Route Price Intelligence
Cheap Flights From St. Louis to Washington Dc
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$315
Great Deal
Under $245
Typical Range
$245 – $326
Lowest We've Seen
$136
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$315
Feb
$315
Mar
$327
Apr
$315
May
—
Jun
—
Jul
$331
Aug
$240
Sep
$237
Oct
$237
Nov
$286
Dec
$315
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 $237. The most expensive month tends to be July at around $331. For the best deals, consider flying in October, September, 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: July22,096 fares analyzedTypical low: $306