Direct (non-stop) flights from Saint Louis (STL) to Arlington (DCA)
Find comprehensive flight information, schedules, and booking details for direct flights from Saint Louis (STL) to Arlington (DCA). This popular route is operated by 2 airlines, offering multiple daily departures.• 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)
Arlington (DCA)
FLIGHT TIME
1h 55m - 2h 18m
FLIGHT DISTANCE
721 miles (1160 km)
1h 55m - 2h 12m
06:02
19:55
721 miles (1160 km)
March
2 (Show)
54
Flight Schedule
December 2025
Airlines with direct flights from Saint Louis (STL) to Arlington (DCA)
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.
Airline service: This route is primarily served by American Airlines and Southwest Airlines, reflecting hub connections and route network strategies.
Best departure times: Peak departure times are 19:00, 6:00, 8:00, offering more flight options and potentially better connections.
Saint Louis (STL) - Arlington (DCA) flight price statistics
$301
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$209
Jan$229
Feb$173
Mar$247
Apr$247
May$323
Jun$282
Jul$382
Aug$347
Sep$342
Oct$472
Nov$362
DecRelated Information
Airports: STL • DCA Airport
Airlines operating this route: American Airlines (AA), Southwest Airlines
Frequently Asked Questions
How many flights operate from STL to DCA?
There are 8 direct flights operating from STL to DCA. Approximately 6-11 flights daily.
Which airlines operate flights from STL to DCA?
2 airlines operate on this route: American Airlines, Southwest Airlines.
How long is the flight from STL to DCA?
The flight duration from STL to DCA is approximately 1h 55m - 2h 18m.
What is the distance from STL to DCA?
The distance from STL to DCA is 721 miles (1160 km).
What is the flight time range for this route?
Flight times on this route range from 1h 55m - 2h 12m.
What are the earliest and latest flight departure times?
The earliest flight departs at 06:02 and the latest flight departs at 19:55.
What is the cheapest month to fly from STL to DCA?
March is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 54 flights operate per week from STL to DCA.
What types of aircraft operate on this route?
This route is served by Canadair (Bombardier) Regional Jet 700 and Challenger 870, Boeing 737MAX 8 Passenger, Embraer 175, Boeing 737-700 (winglets) Passenger/BBJ1, Boeing 737-800 (winglets) Passenger/BBJ2.
What is the average flight price from STL to DCA?
The average flight price for a round-trip ticket from STL to DCA is approximately $301 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from STL to DCA for the lowest prices?
March is typically the cheapest month to fly from STL to DCA. Booking in advance and avoiding peak travel seasons can help you find better deals.
How many airlines offer flights from STL to DCA?
2 airlines offer direct flights from STL to DCA, providing travelers with multiple options for scheduling and pricing.
How far is DCA from STL?
The distance from STL to DCA is 721 miles (1160 km). This is a long-haul flight route.
How long does it take to fly from STL to DCA?
The flight time from STL to DCA is approximately 1h 55m - 2h 18m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.