STL - WAS Price
|
$172 - $329
|
WAS Temperature
|
35.6 - 80.6 °F
|
WAS Rainfall
|
2.6 - 4 inches
|
Popular in March High demand for flights, 12% potential price rise |
Cheapest in August Best time to find cheap flights, 41% potential price drop |
Round-trip from $172 From Lambert-St Louis to Washington, D.C. (WAS) |
One-way from $133 One-way flight from Lambert-St Louis to Washington, D.C. (WAS) |
It’s typically best to fly out from St. Louis to Washington, D.C. at noon. Doing so could potentially save you 14% on the flight price compared to flying in the morning, which is usually more expensive.
Flights from St. Louis to Washington, D.C. are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C..
Travelers have found it’s best to book a flight 28 days in advance to save up to 45% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 28 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Washington, D.C. 1-2 weeks in advance for as low as $355, or $447 for flights within the next 24 hours.
Due to multiple factors, expect to potentially pay more when booking in March. For low rates, August can be a great choice for travel to Washington, D.C.. Flights to Washington, D.C. from St. Louis in August are about $290 on average during August, but can be found for as low as $148.
Airline | Cheapest | Average | Flexibility | On-time | COVID-19 safety | |
---|---|---|---|---|---|---|
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$107 | $275 | No cancel fee | N/A | ||
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$141 | $323 | No cancel fee | 71% | ||
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$152 | $266 | No cancel fee | 69% |
Morning 6 AM to noon | 48% of STL to WAS departures |
Afternoon Noon to 6 PM | 26% of STL to WAS departures |
Evening 6 PM to midnight | 17% of STL to WAS departures |
Early morning Midnight to 6 AM | 9% of STL to WAS departures |