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Flights from Harlingen to St Louis
There are no direct flights from Harlingen to St Louis. The fastest way is one stop via Houston or Dallas, about 3h 39m door to door (19 connections a week on current schedules).
No direct flights · 3 connection options From 3h 39m
Harlingen to St Louis at a glance
Fastest journey3h 39mVia Houston, on current schedules
Nonstop flightsNoneConnect via Houston or Dallas
Best ways to fly from Harlingen to St Louis
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
HRL Houston (HOU) STL
Leg 1: Southwest Airlines · Leg 2: Southwest Airlines
Mon05:30 HRL06:18 HOU1h 12m connection07:30 HOU09:09 STLSouthwest Airlines
2Search
HRL Dallas (DAL) STL
Leg 1: Southwest Airlines · Leg 2: Southwest Airlines
Sun10:30 HRL11:45 DAL2h 00m connection13:45 DAL15:11 STLSouthwest Airlines
3Search
HRL Austin (AUS) STL
Leg 1: Southwest Airlines · Leg 2: Southwest Airlines
Mon06:30 HRL07:23 AUS2h 07m connection09:30 AUS11:22 STLSouthwest Airlines
Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.
Good to know
- Distance
- 1,550 km963 miles
- Journey time
- 3h 39mon current schedules
- Time difference
- NoneSt Louis vs Harlingen
- Currency in St Louis
- USD
- Airports
- HRL → STL
Flights from Harlingen to St Louis: questions answered
Are there direct flights from Harlingen to St Louis?
No. There is no nonstop service, so you will connect, most easily in Houston, Dallas and Austin. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from Harlingen to St Louis?
With one connection the journey usually takes around 3h 39m, depending on the layover. The straight-line distance is 1,550 km.
Where do you change planes between Harlingen and St Louis?
The best connecting points are Houston (HOU), Dallas (DAL) and Austin (AUS). Southwest Airlines flies both legs via Houston, so you can book it as one ticket.
Which airports serve Harlingen and St Louis?
Harlingen: Valley International Airport (HRL). St Louis: St. Louis Lambert International Airport (STL).





