STL to DCA (St. Louis to Washington) Flights

Last Minute Flights from STL to DCA

Best airfare and ticket deals for STL to DCA flights are based on recent deals found by Expedia.com customers within the past 7 days.

OriginDestinationTravel DatesFlights From*
STLWashingtonMarch 30 to March 30$527
*Prices include taxes and fees

Cheapest STL to DCA Flights

Best airfare and ticket deals for STL to DCA flights are based on recent deals found by Expedia.com customers within the past 7 days.

OriginDestinationTravel DatesFlights From*
STLWashingtonMay 2 to May 4$108
STLWashingtonMay 8 to May 14$121
STLWashingtonMay 15 to May 21$176
STLWashingtonApril 24 to April 30$178
*Prices include taxes and fees
STL to DCA Flight Details
Origin airport
Lambert-St. Louis Intl.
Origin airport IATA code
STL
Destination airport
Ronald Reagan Washington National
Destination airport IATA code
DCA
Distance
716 mi

Frequently asked questions

Which airlines with flights from STL to DCA allow free cancellation due to COVID-19?
To locate the airlines that advertise flexible COVID-19 related changes, make the most of our handy filter function. Get started by typing in your preferred flight details. Then, once all the available flights are in front of you, check the “No change fee” box underneath “Flexible change policies” to the left. Familiarize yourself with the air carrier’s cancellation rules before reserving your STL to Ronald Reagan Washington National Airport ticket.
What airlines fly direct from St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) to DCA?
Fly with American Airlines (AA). It offers 86 flights per month that jet straight from STL to Washington, DC Airport (DCA-Ronald Reagan Washington National). With 60 nonstop monthly flights of its own along this route, Southwest Airlines (WN) is another top pick.
How many flights are there from STL to DCA?
Approximately 4 per day. If you’re in a big rush to reach Washington, see if you can get your hands on a last-minute deal from St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) to Washington, DC Airport (DCA-Ronald Reagan Washington National) and then reserve it quick!
How long does it take to fly from St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) to Washington, DC Airport (DCA-Ronald Reagan Washington National)?
The trip between St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) and Washington, DC Airport (DCA-Ronald Reagan Washington National) is short and sweet, taking approximately 2 hours. Close your eyes and rest or enjoy the in-flight entertainment.
What is the flight distance from St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) to Washington, DC Airport (DCA-Ronald Reagan Washington National)?
The short-haul flight between St. Louis and Washington is only 720 miles (1150 km). Don’t get too comfy though — you’ll be coming into Washington, DC Airport (DCA-Ronald Reagan Washington National) not long after you take off!
How many morning flights are there from STL to DCA?
You’ll find 16 morning flights from STL to DCA every week. Popular carrier American Airlines (AA) offers 13 weekly flights that depart before midday. The earliest takes to the skies at 11:03AM.
How many afternoon flights are there from STL to DCA?
Every week, there are 18 afternoon and evening flights from STL to DCA. If you plan to book a seat with Southwest Airlines (WN), it offers around 11 flights a week that depart after midday. The earliest one takes off at 6:20PM.
What is the earliest departure time out of St. Louis to Washington?
Depart STL at 6:03AM and arrive at DCA at 8:08AM. This is the earliest service you’ll find on this route.
What is the latest departure time out of St. Louis to Washington?
Lock in a seat on the 6:06PM flight from STL, arriving at DCA at 8:10PM, and give yourself time to attend to any last-minute vacation preparations. This is the latest flight you can take on this route.
What is the average price from St. Louis to Washington?
The average lowest price for round-trip flights from STL to DCA is $108. Steal yourself a bargain by locking in your tickets early. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

St. Louis to Washington Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from St. Louis to Washington to attend your cousin’s wedding, to pitch a business idea to your boss, or perhaps simply to treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find the cheapest flights from STL to DCA, we’ve got you covered here at Flights.com.

We present you with some of the hottest deals on airfare so stop that Google flights search. We want you to spend less on your flight from St. Louis to Washington, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.