No, there is no direct passenger train service to Phoenix.

How long is the flight?

Direct flights take about 3.5 hours.

What is the best time to visit?

Winter and spring offer the most pleasant temperatures.

There are no major tolls on the I-40 route.

Is it safe to drive in winter?

Yes, but be prepared for snow in the Colorado Rockies.

Lake St. Louis

Phoenix

Flight Driving

Lake St. Louis to Phoenix

Updated: 28 May 2026

Traveling from Lake St Louis to Phoenix involves crossing the Great Plains and the Rocky Mountains. The driving route spans 2,500 kilometers, primarily following I-70 West and I-40 West. This journey takes roughly 23 hours of driving time. Alternatively, you can fly from St. Louis Lambert International Airport to Phoenix Sky Harbor International Airport. The flight takes about 3.5 hours, with a total travel time of 5 hours.

Total Distance: 2,500 km driving, 2,200 km air distance.

Fastest Way

Flight is the fastest, taking 5 hours total.

Cheapest Way

Driving is generally cheaper for groups, while flights are more cost-effective for solo travelers.

Compare Lake St. Louis to Phoenix Routes

	Flight Direct	Driving Direct
Duration	5 hours	23 hours
Avg Price	$300-$600	$400-$500 in fuel
Operator	Southwest Airlines	Personal Vehicle
Route	STL to PHX.	I-70 W to I-40 W through Kansas, Colorado, and New Mexico.
Tip	Direct flights are available daily from St. Louis.	Check mountain pass conditions in Colorado during winter.

Travel Tips

Hydration
Drink twice as much water as usual due to the dry heat.
Sun Protection
Wear high-SPF sunscreen and a wide-brimmed hat.
Car Rental
Rent a car at PHX airport to explore the surrounding desert.
Timing
Plan outdoor activities for early morning or late evening.
Navigation
Download offline maps as cell service can be spotty in rural areas.

Safety Tips

Heat Exhaustion
Recognize signs of heat stroke and seek shade immediately.
Desert Driving
Keep an emergency kit with extra water in your car.
Wildlife
Be aware of snakes and scorpions when hiking.
Road Safety
Avoid driving during dust storms, which can reduce visibility to zero.