Southwest Airlines flights from Saint Louis (STL) to Arlington (DCA)
Find comprehensive Southwest Airlines flight information, schedules, and booking details for direct flights from Saint Louis (STL), US to Arlington (DCA), US. Southwest Airlines operates 6-11 flights daily flights on this route.• Flight Duration: 1h 55m - 2h 18m (average flight time)• Distance: 721 miles (1160 km) (air miles between airports)• Daily Flights: 6-11 flights (scheduled departures per day)
Saint Louis (STL)
US
Arlington (DCA)
US
FLIGHT TIME
1h 55m - 2h 18m
FLIGHT DISTANCE
721 miles (1160 km)
1h 55m - 2h 0m
08:40
19:55
721 miles (1160 km)
March
1 (Show)
54
Southwest Airlines Flight Schedule from Saint Louis (STL) to Arlington (DCA)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
WN2333 |  Southwest Airlines | 08:40 | 11:35:00 | Boeing 737MAX 8 Passenger |
WN2407 | Southwest Airlines | 13:15 | 16:15:00 | Boeing 737-700 (winglets) Passenger/BBJ1 |
WN4425 | Southwest Airlines | 15:55 | 18:50:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
WN4426 | Southwest Airlines | 19:55 | 22:50:00 | Boeing 737MAX 8 Passenger |
Southwest 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 1h 55m - 2h 18m.
Pricing patterns: March typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 8:00, 13:00, 15:00, offering more flight options and potentially better connections.
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Things to Do Near DCA Airport
Columbarium
3.3 km from airportArts of Peace: Aspiration and Literature
4.4 km from airportGeneral Jose de San Martin Memorial
4.8 km from airportDaniel Webster Memorial
6.1 km from airportLieutenant General Winfield Brevet Scott Statue
6.1 km from airportSouthwest Airlines Terminal Information
Departure Terminal at Saint Louis (STL):
• Terminal : Southwest Airlines operates from this terminal
Weather & Climate at Arlington (DCA)
14.6°C
Avg Temperature96mm
Avg Rainfall10.3km/h
Avg Wind Speed68%
Avg HumidityBest Months to Visit
Challenging Months
12-Month Weather Overview
Wind Speed by Month
Humidity by Month
Best Time to Book Flights to Arlington (DCA)
Best Booking Window
Book 2-3 months in advance for best prices
Booking Tip
Avoid booking during extreme weather months for better deals
Peak Travel Months
Expect higher prices and more crowds during these months. Book early to secure better rates.
Recommended Months
These months offer the best balance of weather, prices, and availability.
Monthly Booking Recommendations
Flight Price Trends for Arlington (DCA)
Cheapest Months to Fly
Book flights during these months for the best deals and lowest prices.
Most Expensive Months
Prices are typically highest during these months. Consider booking well in advance or choosing alternative dates.
Price Trend Analysis
Prices are typically lower during shoulder seasons
Monthly Price Trends
Best Months to Fly Southwest Airlines to Arlington (DCA)
Best Months
Optimal conditions for travel with favorable weather, prices, and availability.
Shoulder Season
Transition periods with moderate conditions. Good balance of price and experience.
Challenging Months
These months may have less favorable conditions. Plan accordingly and book early.
Seasonal Insight
Best travel months: 2023-08
Seasonal Travel Calendar
Frequently Asked Questions about Southwest Airlines Flights
How many Southwest Airlines flights operate from St Louis (STL) to Washington (DCA)?
Southwest Airlines operates 4 flights from St Louis (STL) to Washington (DCA).
What city does Washington (DCA) airport serve?
Washington (DCA) airport serves Arlington, US.
How long is the Southwest Airlines flight from St Louis (STL) to Washington (DCA)?
The flight duration is approximately 1h 55m - 2h 18m.
What is the distance from St Louis (STL) to Washington (DCA)?
The distance is 721 miles (1160 km).
What aircraft does Southwest Airlines use on this route?
Southwest Airlines uses Boeing 737MAX 8 Passenger, Boeing 737-700 (winglets) Passenger/BBJ1, Boeing 737-800 (winglets) Passenger/BBJ2 on this route.
Which other airlines operate on this route?
1 other airline operates on this route: American Airlines.
What are the earliest and latest Southwest Airlines flight departure times?
The earliest Southwest Airlines flight departs at 08:40 and the latest departs at 19:55.
What is the cheapest month to fly Southwest Airlines from St Louis (STL) to Washington (DCA)?
March is typically the cheapest month to fly Southwest Airlines on this route.
What is the average price for a Southwest Airlines flight from St Louis (STL) to Washington (DCA)?
The average price for a round-trip Southwest Airlines flight on this route is approximately $301. Prices can vary based on booking time and demand.
How many Southwest Airlines flights operate per week on this route?
Southwest Airlines operates approximately 54 flights per week from St Louis (STL) to Washington (DCA).