Route Price Intelligence
Cheap Flights From Washington, D.C. to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$371
Deals From
$250
Usually Costs
$250 – $421
Lowest We've Seen
$136
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$421
Feb
—
Mar
—
Apr
$360
May
$228
Jun
$250
Jul
$295
Aug
$250
Sep
$421
Oct
$421
Nov
$421
Dec
$421
Cheapest Average Expensive
Best Time to Fly from Washington, D.C. to Saint Louis
The cheapest time to fly from Washington, D.C. to Saint Louis is typically May, when fares average around $228. The most expensive month tends to be September at around $421. For the best deals, consider flying in May, June, 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: July63,112 fares analyzedTypical low: $307