Washington to St Louis Flights
Flights from Washington (WAS) to St Louis (XLS) connect United States and SN. The great-circle distance is approximately 6,652 km, and a typical direct flight takes about 9 to 10 hours. Airports commonly used for this city pair include WAS, IAD, DCA, BWI and XLS. The reverse route is St Louis to Washington. Use the search tool below to compare live prices and schedules — do not treat any static text on this page as a live fare.
Route facts
- Origin
- Washington, United States
- Destination
- St Louis, SN
- Distance
- 6,652 km
- Typical duration
- about 9 to 10 hours
- Origin codes
- WAS, IAD, DCA, BWI
- Destination codes
- XLS
- Primary keyword
- flights from Washington to St Louis
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Compare live prices and schedules for this route.
Route overview
Washington to St Louis is a city-pair air route between United States and SN. Travelers use this corridor for leisure, business, and connecting itineraries.
Primary search codes are WAS and XLS. Related codes: WAS, IAD, DCA, BWI → XLS.
Distance
Approximate flight distance: 6,652 km (great-circle). Actual flown distance can be longer depending on airway routing.
Duration
Typical block time for a direct flight is about 9 to 10 hours. Connecting itineraries take longer and depend on layover airports.
Airports
Washington airports and metro codes: WAS, IAD, DCA, BWI.
St Louis airports and metro codes: XLS.
Alternative routes
Related searches include the reverse route St Louis to Washington, other destinations from Washington, and other origins into St Louis.
Frequently asked questions
How long is the flight from Washington to St Louis?
Direct flights from Washington to St Louis typically take about 9 to 10 hours, depending on aircraft type, routing, and wind conditions. Connecting itineraries take longer.
What is the distance from Washington to St Louis?
The great-circle distance between Washington and St Louis is approximately 6,652 km. Flown distance can be longer depending on airways.
Which airports serve flights from Washington to St Louis?
Washington is commonly searched with code WAS (related: WAS, IAD, DCA, BWI). St Louis is commonly searched with code XLS (related: XLS).
Are there direct flights from Washington to St Louis?
Direct service availability varies by season and airline. Compare live schedules on Cheap Flights Worldwide for current nonstop and connecting options on this route.
What is the reverse flight route from St Louis to Washington?
The reverse city pair is St Louis to Washington. Distance is the same great-circle measure (6,652 km); block time can differ with winds and schedules.
Which countries does the Washington to St Louis route connect?
This route connects United States (Washington) with SN (St Louis).
Related routes
- St Louis to Washington
- Flights from Washington
- Flights to St Louis
- Flights in United States
- Flights in SN
- Washington to Budapest
- Washington to Warsaw
- Washington to Helsinki
- Washington to Prague
- Washington to Oslo
- Washington to Lisbon
- Washington to Athens
- Washington to Berlin
- Washington airport (WAS)
- St Louis airport (XLS)