Direct (non-stop) flights from Washington (IAD) to Saint Louis (STL)
Find comprehensive flight information, schedules, and booking details for direct flights from Washington (IAD), US to Saint Louis (STL), US. This popular route is operated by 1 airline, offering multiple daily departures.• 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
Flight Schedule
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Airlines with direct flights from Washington (IAD) to Saint Louis (STL)
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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Best Time to Visit & Travel Planning
Cheapest Day
Cheapest Month
Average Fare
$442
Travel Planning Tips for Washington (IAD) to Saint Louis (STL)
- Best Day to Book
Wednesday typically offers the lowest fares for flights from Washington (IAD) to Saint Louis (STL). Consider booking on this day for potential savings.
- Best Month to Travel
January is generally the cheapest month to fly from Washington (IAD) to Saint Louis (STL). Plan your trip during this month for the best deals.
- Average Flight Price
The average fare for flights from Washington (IAD) to Saint Louis (STL) is approximately $442. Prices may vary based on booking time, season, and airline.
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Frequently Asked Questions
How many flights operate from Washington (IAD) to St Louis (STL)?
There are 2 direct flights operating from Washington (IAD) to St Louis (STL). Approximately 2 flights daily.
Which airlines operate flights from Washington (IAD) to St Louis (STL)?
1 airline operates on this route: United Airlines.
How long is the flight from Washington (IAD) to St Louis (STL)?
The flight duration from Washington (IAD) to St Louis (STL) is approximately 2h 23m - 2h 38m.
What is the distance from Washington (IAD) to St Louis (STL)?
The distance from Washington (IAD) to St Louis (STL) is 698 miles (1123 km).
What is the flight time range for this route?
Flight times on this route range from 2h 26m - 2h 27m.
What are the earliest and latest flight departure times?
The earliest flight departs at 08:40 and the latest flight departs at 17:50.
What is the cheapest month to fly from Washington (IAD) to St Louis (STL)?
January is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 14 flights operate per week from Washington (IAD) to St Louis (STL).
What types of aircraft operate on this route?
This route is served by Canadair (Bombardier) Regional Jet 550.
What is the average flight price from Washington (IAD) to St Louis (STL)?
The average flight price for a round-trip ticket from Washington (IAD) to St Louis (STL) is approximately $495 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from Washington (IAD) to St Louis (STL) for the lowest prices?
January is typically the cheapest month to fly from Washington (IAD) to St Louis (STL). Booking in advance and avoiding peak travel seasons can help you find better deals.
How far is St Louis (STL) from Washington (IAD)?
The distance from Washington (IAD) to St Louis (STL) is 698 miles (1123 km). This is a long-haul flight route.
How long does it take to fly from Washington (IAD) to St Louis (STL)?
The flight time from Washington (IAD) to St Louis (STL) is approximately 2h 23m - 2h 38m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.
What city does St Louis (STL) serve?
St Louis (STL) serves St Louis, US.