Is Phoenix hot in winter?

No, winter temperatures are mild and pleasant, usually in the 60s and 70s.

How long is the flight?

A direct flight from St. Louis to Phoenix is about 3 hours and 15 minutes.

Yes, Phoenix is a sprawling city with limited public transit coverage.

What is the best time to visit?

The best time is between November and April.

Are there mountains in Phoenix?

Yes, the city is surrounded by several mountain ranges including the Phoenix Mountains.

Troy

Phoenix

Flight Driving

Troy to Phoenix

Updated: 28 May 2026

Traveling from Troy, Missouri to Phoenix, Arizona covers roughly 2,500 kilometers. The most common driving route follows I-70 to I-40, crossing the plains and the high desert. This is a multi-day road trip requiring at least two days of driving. Alternatively, flying from St. Louis Lambert International Airport provides a direct or one-stop connection to Phoenix Sky Harbor. The landscape changes dramatically from the Midwest forests to the arid Sonoran Desert.

Total Distance: 2,500 km driving distance; 2,100 km straight-line air distance.

Fastest Way

A direct flight from St. Louis to Phoenix takes just over 3 hours.

Cheapest Way

Flying is often cheaper than driving when accounting for fuel, hotels, and food.

Compare Troy to Phoenix Routes

	Flight Direct	Driving Direct
Duration	3 hours 15 mins	24 hours
Avg Price	$150 - $500	$400 - $600 in fuel
Operator	Southwest Airlines	Personal Vehicle
Route	STL to PHX	I-70 W to I-40 W through Oklahoma City and Albuquerque.
Tip	Direct flights are available from STL to PHX, saving significant time.	Check your tire pressure and coolant levels before crossing the desert.

Travel Tips

Sun Protection
Wear high-SPF sunscreen and a wide-brimmed hat even in winter.
Hydration
Drink twice as much water as you think you need in the dry climate.
Transportation
A rental car is essential for exploring the Phoenix metropolitan area.
Timing
Plan outdoor activities for the early morning or late evening.
Airport
Phoenix Sky Harbor is very close to downtown, making transit easy.

Safety Tips

Heat Exhaustion
Recognize signs of heat exhaustion like dizziness and nausea.
Desert Driving
Carry extra water and a spare tire when driving through remote desert stretches.
Wildlife
Be aware of snakes and scorpions when hiking on desert trails.
Sun Exposure
Avoid prolonged direct sun exposure during the peak hours of 11 AM to 3 PM.