Route Price Intelligence
Cheap Flights From St. Louis to Washington Dc - Dulles
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$325
Great Deal
Under $247
Typical Range
$247 – $346
Lowest We've Seen
$136
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$336
Feb
—
Mar
—
Apr
$356
May
$228
Jun
$230
Jul
$250
Aug
$250
Sep
$335
Oct
$335
Nov
$346
Dec
$357
Cheapest Average Expensive
Best Time to Fly from St. Louis to Washington Dc - Dulles
The cheapest time to fly from St. Louis to Washington Dc - Dulles is typically May, when fares average around $228. The most expensive month tends to be December at around $357. For the best deals, consider flying in May, June, July.
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: October10,722 fares analyzedTypical low: $335
Other Destinations From St. Louis
Abidjan(ABJ)Albuquerque(ABQ)Acapulco(ACA)Accra(ACC)Addis Ababa(ADD)Adelaide(ADL)Malaga(AGP)Aguascalientes(AGU)Auckland(AKL)Albany(ALB)Algiers(ALG)Ahmedabad(AMD)Amman(AMM)Amsterdam(AMS)Anchorage(ANC)Stockholm(ARN)Asuncion(ASU)Athens(ATH)Atlanta(ATL)Aruba(AUA)Abu Dhabi(AUH)Austin(AUS)Bahrain(BAH)Barcelona(BCN)