Is there a direct flight?

Direct flights are occasionally available, but most involve a layover.

How long is the drive?

The drive takes approximately 24 hours.

What is the best time to visit?

Spring and fall offer the most pleasant weather.

There are very few tolls on this route.

Amtrak serves St. Louis, but there is no direct rail line from Mesa.

Mesa

St. Louis

Flight Driving

Mesa to St. Louis

Updated: 28 May 2026

The journey from Mesa to St. Louis covers about 1,600 miles. Flying from Phoenix Sky Harbor (PHX) to St. Louis Lambert International (STL) is the most convenient method. Driving takes you across the Southwest and into the Midwest via I-40 and I-44. You will experience a transition from desert landscapes to the rolling hills of the Ozarks. Plan for at least two days of driving.

Total Distance: 2,600 km driving, 2,300 km air distance.

Fastest Way

Flight from Phoenix Sky Harbor (PHX) takes about 5 hours with a layover.

Cheapest Way

Driving is generally the most cost-effective for groups.

Compare Mesa to St. Louis Routes

	Flight Connecting	Driving Direct
Duration	5 hours	24 hours
Avg Price	$250 - $500	$350 - $600
Operator	Southwest Airlines	Personal Vehicle
Route	PHX to STL via hubs like DEN or LAS.	I-40 E to I-44 E.
Tip	Southwest offers two free checked bags, which is great for long trips.	The drive through Oklahoma and Missouri is relatively straightforward.

Travel Tips

Airport Transit
Use the MetroLink light rail to get from STL to downtown St. Louis.
Weather
St. Louis can be very humid in the summer; stay hydrated.
Parking
Use parking apps to find deals in the downtown area.
Dining
Try the famous St. Louis-style pizza and toasted ravioli.
Booking
Book flights in advance to secure the best prices.