Unable to find information about the schedule of direct flights from
Compare airlines, prices, and flight durations for your trip
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Washington to Saint Louis:
•
•
•
•
•
•
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
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 Washington to Saint Louis. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
Washington — Saint Louis
05/05/2026
Departure
Direct flight
UA4427
starting at $245
Washington — Saint Louis
05/06/2026
Departure
Direct flight
AA5454
starting at $238
Baltimore — Saint Louis
05/20/2026
Departure
Direct flight
WN987
starting at $179
Washington — Saint Louis
06/06/2026
Departure
Direct flight
WN4752
starting at $308
Baltimore — Saint Louis
06/19/2026
Departure
Direct flight
WN1094
starting at $348
Washington — Saint Louis
06/20/2026
Departure
Direct flight
UA4527
starting at $303
Washington — Saint Louis
06/23/2026
Departure
Direct flight
UA4388
starting at $418
Washington — Saint Louis
06/24/2026
Departure
Direct flight
AA5413
starting at $126
Washington — Saint Louis
06/25/2026
Departure
Direct flight
WN4853
starting at $172
starting at $147
starting at $126
starting at $172
starting at $62
More than 4 airlines operate flights from Washington to Saint Louis, including United Airlines, American Airlines, Southwest Airlines, and Frontier Airlines. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $62, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.
The cheapest one-way flight from Washington to Saint Louis departs on 06/23/2026, is operated by Frontier Airlines and costs $62
The cheapest roundtrip flight from Washington to Saint Louis departs on 05/16/2026, is operated by Frontier Airlines and costs $316
Fastest flight from Washington to Saint Louis takes 4h 52m
There are direct flights on this route 5 days a week: Tu, We, Th, Fr, and Sa
The distance between Washington and Saint Louis is 1140km (707 miles). The time difference between Washington and Saint Louis is 1h
A non-stop flight is the most convenient and comfortable way to fly from Washington to Saint Louis, despite the fact that sometimes flights with transfers can cost significantly less.
The cheapest flight ticket from Washington to Saint Louis according to data for the last 48 hours costs $62
Often the best time to buy tickets from Washington to Saint Louis is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Washington to Saint Louis can be found flying in these months: June, May.
The fastest flights from Washington to Saint Louis start from 4 hours 52 minutes in the air.
The following airlines operate direct flights on the route Washington — Saint Louis: United Airlines, American Airlines, Southwest Airlines
The cost of a one-way flight from Washington to Saint Louis ranges from $62 (June 2026) to $69 (May 2026). On average, the ticket price is about $66–$69.
We couldn't find any special offers for flights from Washington to Saint Louis