Unable to find information about the schedule of direct flights from
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Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Saint Louis to Washington. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Saint Louis to Washington
A non-stop flight is the most convenient and comfortable way to fly from Saint Louis to Washington, despite the fact that sometimes flights with transfers can cost significantly less.
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Saint Louis to Washington:
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Unable to find information about the schedule of direct flights from
Saint Louis — Washington
03/06/2026
Departure
Direct flight
AA5398
starting at $283
Saint Louis — Washington
05/15/2026
Departure
Direct flight
UA4506
starting at $438
The Saint Louis — Washington route is served by multiple airlines, including American Airlines, United Airlines, and Frontier Airlines. This is convenient for those who want the best balance of price, schedule, and travel conditions. Tickets start from $57, and depending on season and promotions, even better deals may appear. With our service, you can easily compare available options and book tickets that match your plans. The variety of carriers allows flexible choices and comfortable travel without overpaying.
The cheapest flight ticket from Saint Louis to Washington according to data for the last 48 hours costs $57
Often the best time to buy tickets from Saint Louis to Washington is 2 months before departure.
The fastest flights from Saint Louis to Washington start from 12 hours 41 minutes in the air.
The following airlines operate direct flights on the route Saint Louis — Washington: American Airlines, United Airlines
The cheapest one-way flight from Saint Louis to Washington departs on 03/06/2026, is operated by Frontier Airlines and costs $57
The cheapest roundtrip flight from Saint Louis to Washington departs on 02/14/2026, is operated by American Airlines and costs $154
Fastest flight from Saint Louis to Washington takes 12h 41m
There are direct flights on this route 1 day a week: Fr
The distance between Saint Louis and Washington is 1140km (707 miles). The time difference between Saint Louis and Washington is 1h
We couldn't find any special offers for flights from Saint Louis to Washington