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Direct flights from Houston to St Louis

Did you mean Flights from St Louis to Houston?

Flightmap/Flights from HOU/HOU to STL

Houston

United States

HOU

William P Hobby Airport

St Louis

United States

STL

Lambert St Louis International Airport

Route
Nonstop service available
Distance
688 miles
Marketing airlines
1 airline
Aircraft
4 aircraft types
Dates
Oct 19, 2026 – Aug 2, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Departure window: 2026-10-23 – 2026-11-21.

No recent fares appear in this limited preview. This does not mean the route is sold out. Use the search controls to check other dates and routes.

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Explore these airports and cities

  • Flights from HOU
  • Flights to STL

Houston to St Louis route overview

William P Hobby Airport (HOU) serves Houston; Lambert St Louis International Airport (STL) serves St Louis.

The airports are 688 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from HOU to STL.

Marketing airlines listed in the current schedule, including codeshare sellers, are Southwest Airlines (WN). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Oct 19, 2026 – Aug 2, 2027.

Marketing airlines on the Houston to St Louis route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

Aircraft flying from HOU to STL

Frequently asked questions

Which airports serve the Houston to St Louis route?

William P Hobby Airport (HOU) is the origin airport and Lambert St Louis International Airport (STL) is the destination airport.

How far is St Louis from Houston?

HOU and STL are approximately 688 miles apart by great-circle distance.

Are there direct flights from HOU to STL?

Yes. Roame's current schedule feed shows nonstop service from HOU to STL.

Which airlines market flights from HOU to STL?

Marketing airlines listed in the current schedule, including codeshare sellers, are Southwest Airlines (WN). This list does not identify the operating airline for each flight; check the flight details before booking.

Which aircraft fly from HOU to STL?

Aircraft listed in the current schedule include Boeing 737-800 Winglets (73H), Boeing 737 MAX 8 (7M8), 7S7 and JET.

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