United Airlines flights from Washington (IAD) to Saint Louis (STL)
Find comprehensive United Airlines flight information, schedules, and booking details for direct flights from Washington (IAD), US to Saint Louis (STL), US. United Airlines operates 2 flights daily flights on this route.• Flight Duration: 2h 23m - 2h 38m (average flight time)• Distance: 698 miles (1123 km) (air miles between airports)• Daily Flights: 2 flights (scheduled departures per day)
Washington (IAD)
US
Saint Louis (STL)
US
FLIGHT TIME
2h 23m - 2h 38m
FLIGHT DISTANCE
698 miles (1123 km)
2h 26m - 2h 27m
08:40
17:50
698 miles (1123 km)
January
1 (Show)
14
United Airlines Flight Schedule from Washington (IAD) to Saint Louis (STL)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
UA4427 |  United Airlines | 08:40 | 10:07:00 | Canadair (Bombardier) Regional Jet 550 |
UA4527 | United Airlines | 17:50 | 19:16:00 | Canadair (Bombardier) Regional Jet 550 |
United Airlines Monthly Flight Calendar
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Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 2h 23m - 2h 38m.
Pricing patterns: January typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 8:00, 17:00, offering more flight options and potentially better connections.
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United Airlines Terminal Information
Departure Terminal at Washington (IAD):
• Terminal : United Airlines operates from this terminal
Arrival Terminal at Saint Louis (STL):
• Terminal : United Airlines operates from this terminal
Frequently Asked Questions about United Airlines Flights
How many United Airlines flights operate from Washington (IAD) to St Louis (STL)?
United Airlines operates 2 flights from Washington (IAD) to St Louis (STL).
What city does St Louis (STL) airport serve?
St Louis (STL) airport serves Saint Louis, US.
How long is the United Airlines flight from Washington (IAD) to St Louis (STL)?
The flight duration is approximately 2h 23m - 2h 38m.
What is the distance from Washington (IAD) to St Louis (STL)?
The distance is 698 miles (1123 km).
What aircraft does United Airlines use on this route?
United Airlines uses Canadair (Bombardier) Regional Jet 550 on this route.
What are the earliest and latest United Airlines flight departure times?
The earliest United Airlines flight departs at 08:40 and the latest departs at 17:50.
What is the cheapest month to fly United Airlines from Washington (IAD) to St Louis (STL)?
January is typically the cheapest month to fly United Airlines on this route.
What is the average price for a United Airlines flight from Washington (IAD) to St Louis (STL)?
The average price for a round-trip United Airlines flight on this route is approximately $495. Prices can vary based on booking time and demand.
How many United Airlines flights operate per week on this route?
United Airlines operates approximately 14 flights per week from Washington (IAD) to St Louis (STL).
United Airlines Contact Information and Customer Services
United Airlines Address
233 S. Wacker Drive
Chicago, IL 60606, United States
Customer Service Phone
+1-800-864-8331Official Website
united.com