Direct flights from Washington to St. Louis

Did you mean flights from St. Louis to Washington?

Washington

United States

United States

IAD

Washington Dulles International Airport

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St. Louis

United States

United States

STL

Lambert-Saint Louis International Airport

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Flight schedule
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Distance
431 miles  ·  (694 km)
Flight time
2 hours and 16 minutes
Airlines
  • United Airlines
Alliances
  • OneWorld
  • SkyTeam
  • Star Alliance
Classes
  • Economy
  • Premium Economy
  • Business Class
  • First Class
Aircrafts
  • Canadair CRJ

Washington to St. Louis Flight Schedule

Scan through all non-stop flights from Washington to St. Louis. The full flight schedule below gives an overview of all non-stop flights from IAD to STL, which includes the daily timetable of every operating airline for the upcoming 12 months.

Note: for airline-specific flight schedules, please scroll further down.

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Airlines flying from Washington to St. Louis

Airline-specific flight schedules from Washington to St. Louis

Currently, there is only one airline operating non-stop flights from Washington IAD to St. Louis STL, which is United Airlines. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.

Click an airline below to view their IAD STL flight schedule.

United Airlines
United Airlines flight schedulefrom Washington to St. Louis

United Airlines is a member of Star Alliance
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Washington to St. Louis Flights

Flights from IAD to STL are operated 14 times a week, with an average of 2 flights per day. Departure times vary between 08:30 - 22:30. The earliest flight departs at 08:30, the last flight departs at 22:30. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.

You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).

The fastest direct flight from Washington to St. Louis takes 2 hours and 16 minutes. The flight distance between Washington and St. Louis is 431 miles (or 694 km).

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Frequently asked questions - FAQ

How many airports are there in St. Louis?

There is 1 airport in St. Louis: Lambert-Saint Louis International Airport (STL).

How many flights per week are there from IAD to STL?

There are 14 flights per week flying from Washington to St. Louis (as of July 2021).

How long does it take to fly from Washington to St. Louis?

2 hours and 16 minutes is the average flight time from Washington to St. Louis.

How far is St. Louis from Washington?

The distance from Washington to St. Louis is 431 miles (694 kilometers).

What airlines fly nonstop from IAD airport to STL airport?

United Airlines is the only airline flying nonstop from Washington to St. Louis.

What alliances have direct flights from Washington to St. Louis?

Star Alliance is currently the only alliance flying nonstop from Washington to St. Louis.

What classes are available from Washington to St. Louis?

You can fly non-stop in Economy and Business Class.

What aircraft types fly from Washington to St. Louis?

Aircraft types that fly from Washington to St. Louis:

  • Canadair CRJ

What is the earliest flight departing from Washington to St. Louis?

The earliest flight departs at 08:30 from Washington and arrives at 09:53 at St. Louis.

What is the latest flight available from Washington to St. Louis?

The latest flight departs at 22:30 from Washington and arrives at 23:42 at St. Louis.

Non-stop flights from IAD to STL

431 miles (694 km)  ·  2h 16m

Round trip
1 passenger
Economy
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Return schedule
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  • Depart
  • Arrive
  • Airline
  • Flight no
  • Aircraft
  • Classes
  • 11:30

  • 12:40

  • United Airlines

    United Airlines

    Star Alliance

  • UA 4497

  • United Airlines

  • Y

    W

    J

    F

  • 11:30

  • 12:46

  • United Airlines

    United Airlines

    Star Alliance

  • UA 4008

  • United Airlines

  • Canadair CRJ

  • Y

    W

    J

    F

  • 17:30

  • 18:39

  • United Airlines

    United Airlines

    Star Alliance

  • UA 4482

  • United Airlines

  • Y

    W

    J

    F

  • 17:30

  • 18:39

  • United Airlines

    United Airlines

    Star Alliance

  • UA 4482

  • United Airlines

  • Y

    W

    J

    F

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