Cheap Flight Deals From St. Louis (STL) to Washington (WAS) Starting at $54

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This Weekend's Flight Deals from St. Louis to Washington

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Airfares from $54 One Way, $108 Round Trip from St. Louis to Washington

Prices starting at $108 for return flights and $54 for one-way flights to Washington were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

More About Flying To Washington from St. Louis

Route Information for Flights from St. Louis to Washington

Origin Airport IATA Code
Destination Airport IATA Code
716 mi
Direct Flight Airlines
American Airlines, Southwest Airlines
Earliest Flight Arrival
2:14PM UTC
Latest Flight Arrival
3:00AM UTC

Fly from St Louis to Washington DC

Anyone living in St Louis interested in seeing the sights in the nation's capital can fly to Washington DC in less than two hours. Several flights depart daily from Lambert-Saint Louis International Airport (STL), and the plentiful long-term parking makes it convenient to get away for a while.


DC is filled with museums that are free to the public, including the American Art Museum, the American History Museum and the Air and Space Museum, all of which are part of the prestigious group of Smithsonian museums. They're concentrated along the National Mall, a vast stretch of land that has the White House on one end and the Lincoln Memorial on the other. A number of other memorials are very moving, including the National World War II and the Vietnam Veterans Memorials. If you'd like to relax your feet, you can grab a meal or a drink at one of the trendy restaurants or bars in the neighborhoods of Adams Morgan, Georgetown or Dupont Circle.

Hints and tips

The region is served by Washington Dulles International Airport (IAD) and Ronald Reagan National Airport (DCA). The Metro is clean and convenient, and it saves you from navigating busy streets like Connecticut and Pennsylvania Avenues by car. Many visitors come in March and April to see the cherry blossoms and take part in the Cherry Blossom Festival, and they're usually greeted with pleasant temperatures in the low 60s during the day.

Frequently asked questions

Am I able to catch a flight from St. Louis to Washington now?
If you’re concerned about quarantine requirements and travel restrictions when flying from St. Louis to Washington, check out the Covid-19 Travel Advisor.
Are there non-stop flights from St. Louis to Washington?
There are a couple of airlines that offer direct flights from Lambert Field to National Airport. Book your seat now with American Airlines or Southwest Airlines.
What is the shortest flight from St. Louis to Washington?
The journey from St. Louis to Washington can be as fast as 2 hours and 35 minutes. With an easy flight time like this, why not organize an impulsive getaway?
What airlines fly from St. Louis to Washington most frequently?
American Airlines (AA) offers 86 flights every month between Lambert-St. Louis Intl. Airport (STL) to DCA. Your next great adventure is just clicks away. Also research the great deals from Southwest Airlines (WN). Offering 60 monthly flights between St. Louis and Washington, they make the journey just as enjoyable as the destination.
If I am not able to travel due to COVID-19, can I cancel my flight to Washington?
We get that traveling right now has its challenges, so it’s good to know that many reservations booked through us are able to be cancelled or changed. If your travel plans to Washington have been affected by COVID-19, a lot of airlines are making things easier by offering credits to use at a later date. Just sign in to your account and you’ll quickly see what options are available. Our Customer Service Portal is the place to go for more information.
Are there flights to Washington with flexible change policies?
In most cases you’ll have the option to reschedule your flight to Washington without a change fee. All you have to do then is pay the difference between the old flight and the new one. Look for the “no change fees” filter and book with confidence.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won’t keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on from January to December 2021. Savings are subject to change based on departure location, date and destination.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.