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
Deals From
$295
Usually Costs
$295 – $339
Lowest We've Seen
$136
Based on 8,497 price pointshigh confidence
Monthly Price Guide
Jan
$345
Feb
$261
Mar
$274
Apr
$265
May
$293
Jun
$305
Jul
$304
Aug
$295
Sep
$295
Oct
$304
Nov
$313
Dec
$339
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 February, when fares average around $261. The most expensive month tends to be January at around $345. For the best deals, consider flying in February, April, March.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $13676 price checksWorst: $236