St. Louis to Phoenix Flight tickets from ₹ 3,389

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Book flight tickets from St. Louis to Phoenix starting at ₹ 3,389

For as little as ₹ 3,389, you can take your next adventure to Phoenix without breaking the bank. Choose between one-way and return tickets from St. Louis below.

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from St. Louis to Phoenix

These price trend charts carefully monitor and predict how flight prices from St. Louis to Phoenix will change. Keep a close eye on them to understand when the best time to buy your tickets is.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from St. Louis to Phoenix

Which airline provides the cheapest flights from St. Louis to Phoenix? Discover the option that best suits your travel needs before embarking on your journey.

Frontier Airlines

From ₹ 3,389

Alaska Airlines

From ₹ 10,576

United Airlines

From ₹ 12,044

Delta Air Lines

From ₹ 12,055

Southwest Airlines

From ₹ 12,311

American Airlines

From ₹ 12,917

Southern Airways Express

From ₹ 14,792

Find more flights and airlines

Alternative Routes from St. Louis to Phoenix

Did you know that you can save money and time on an alternative route from St. Louis to Phoenix? Check out some of the different available routes below.

Cheapest
STL
21:46
10h 50m
1 transfer
PHX
07:36
St.Louis Lambert International Airport - Sky Harbor International Airport
Tue, Dec 17Frontier Airlines
₹ 3,389
STL
06:00
13h 6m
1 transfer
AZA
18:06
St.Louis Lambert International Airport - Phoenix–Mesa Gateway Airport
Mon, Dec 9Delta Air Lines
₹ 25,054
STL
06:00
13h 6m
1 transfer
AZA
18:06
St.Louis Lambert International Airport - Phoenix–Mesa Gateway Airport
Mon, Dec 9Delta Air Lines
₹ 25,054
Find More Flights

FAQ

When are flight tickets from St. Louis (STL) to Phoenix (PHX) the cheapest?
Airlines adjust prices for flights from St. Louis to Phoenix based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from St. Louis (STL) to Phoenix (PHX) cost?
According to Trip.com's data, the lowest price is around ₹ 25,939.
How long does it take to fly from St. Louis (STL) to Phoenix (PHX) and what is the distance?
It takes around 4 hours 18 minutes to fly from St. Louis (STL) to Phoenix (PHX).
What are the most popular airlines that fly from St. Louis (STL) to Phoenix (PHX)?
Airlines with flights from St. Louis (STL) to Phoenix (PHX): Alaska Airlines, United Airlines, Southwest Airlines and American Airlines.

How to find a cheap flight from St. Louis to Phoenix

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Flight Information from St. Louis to Phoenix

Cheapest nonstop flight price	₹ 3,389
Cheapest round-trip ticket price	₹ 17,704
Off-season for travel	November
Peak season for travel	March
Flight distance	2,042.1 km
Average flight time	4 hours 18 minutes
Popular airline	American Airlines