Cheap Flight Tickets from Phoenix (PHX) to St. Louis (STL)

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Latest Flight Deals from Phoenix to St. Louis

Book one-way or return flights from Phoenix to St. Louis from as little as £ 22. Choose from the popular airlines below and book your flight today!

One way
Return

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

Searching for the best last minute flight from Phoenix to St. Louis? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Phoenix to St. Louis. Stay updated on price trends and snag the best deals for your upcoming trip.

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

Airlines Flying from Phoenix to St. Louis

View airlines operating flights from Phoenix to St. Louis. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From £ 22

American Airlines

From £ 52

Delta Air Lines

From £ 81

Sun Country Airlines

From £ 91

Spirit Airlines

From £ 100

United Airlines

From £ 107

Southwest Airlines

From £ 117

Alaska Airlines

From £ 164

ANA airlines

Find more flights and airlines

Alternative Routes from Phoenix to St. Louis

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Phoenix to St. Louis.

Cheapest
PHX
17:50
2h 59m
Direct
STL
22:49
Sky Harbor International Airport - St.Louis Lambert International Airport
Sat, May 18Frontier Airlines
£ 22
PHX
17:50
2h 59m
Direct
STL
22:49
Sky Harbor International Airport - St.Louis Lambert International Airport
Sat, May 18Frontier Airlines
£ 22
Find More Flights

How do I find the cheapest flights?

When are flight from Phoenix (PHX) to St. Louis (STL) the cheapest?
Airlines adjust prices for flights from Phoenix to St. Louis based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Phoenix (PHX) to St. Louis (STL) cost?
According to Trip.com's data, the lowest price is around £ 247.
How long is the flights from Phoenix (PHX) to St. Louis (STL)?
It takes about 2 hours 56 minutes to fly from Phoenix (PHX) to St. Louis (STL).
What is the transportation method from the main airport to downtown in St. Louis?
- The distance from St. Louis Lambert International Airport to downtown is about 20km, by taxi about 40 minutes.
What are the most popular airlines that fly from Phoenix (PHX) to St. Louis (STL)?
Airlines with flights from Phoenix (PHX) to St. Louis (STL): Alaska Airlines, Volaris, American Airlines, Southwest Airlines and Frontier Airlines.
What's the most popular airline for direct flights from Phoenix (PHX) to St. Louis (STL)?
American Airlines operates 2 direct flights from Phoenix (PHX) to St. Louis (STL).
How many airports in St. Louis (STL)?
There are 3 airport(s) in St. Louis (STL): St. Louis Downtown Airport, St. Louis Lambert International Airport and St Louis Spirit Of St Louis Airport.

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

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Phoenix to St. Louis. Book your flights at the right time and save more.

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 Phoenix to St. Louis

Cheapest direct flight price	£ 22
Cheapest return ticket price	£ 55
Off-season for travel	May
Peak season for travel	August
Flight distance	2,042.1km
Average flight time	2 hours 56 minutes
Popular airline	American Airlines