CA $82 Cheap Flights from St. Louis (STL) to Washington (DCA)

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Cheap flights from St. Louis (STL) to Washington (DCA)

Prices were available within the past 7 days and start at CA $82 for one-way flights and CA $163 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Delta
American Airlines
Delta
American Airlines
American Airlines
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American Airlines
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Delta
Flight from St. Louis to Washington (STL - DCA) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Ronald Reagan Washington National
Roundtrip price
CA $162
Distance
1147 km
Average flight time
2 hours 58 mins

St. Louis to Washington Flights

The easy way to book your flights from St. Louis to Washington 

With Expedia, it’s simple to find and book flights to Washington from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are American Airlines, Southwest Airlines nonstop flights to Ronald Reagan Washington National, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to Washington today, tomorrow, or this week.  

 

Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Ronald Reagan Washington National, DCA 

Sort your search results by price to find great deals on your flight from St. Louis to Washington—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Washington from St. Louis currently is just CA $163 rising to CA $258.  

Here are more money-saving tips: 

  • Fly in May when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Washington  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Washington from St. Louis 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Washington with Expedia today.

Frequently asked questions

How much is a flight from STL to National Airport?
The lowest price advertised for a round-trip journey from St. Louis Lambert International Airport to National Airport is CA $163. But you better move fast. This price is taken from fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from STL to DCA?
This differs between airlines, as each has its own terms and conditions. Visit the Customer Service Portal, where there are instructions on how to cancel online.
How do I find cheap flights from Lambert Field to National Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for St. Louis Lambert International Airport to Ronald Reagan Washington National Airport (DCA) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Lambert Field to National Airport?
With a flight distance of 1,150 kilometers, it’s just a short hop from STL to Ronald Reagan Washington National Airport (DCA). It might be a quick one, but it’s still worth packing a good book to read.
Which airlines fly direct from St. Louis Lambert International Airport to Ronald Reagan Washington National Airport (DCA)?
Many adventurers like to fly with Southwest Airlines (WN) from Lambert Field to DCA. It offers 117 monthly flights, so you can pick a flight time that’s right for you. You could also take a look at the fares on offer with American Airlines (AA). This airline operates 108 flights every month between St. Louis and Arlington.
Are Lambert Field to Ronald Reagan Washington National Airport (DCA) flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally pick up a bargain, with some super cheap fares from Lambert Field to DCA cropping up a few weeks before the departure date. If you’d rather plan ahead of time, Expedia compares and updates all the best flight deals continually — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines issue prices so far in advance.
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