₩227,400 Cheap Flights from St. Louis (STL) to Phoenix (PHX)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Phoenix Sky Harbor Intl. Airport (PHX)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 40% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

Cheap Flights from St. Louis to Phoenix (STL-PHX)

Prices were available within the past 7 days and start at ₩227,400 for one-way flights and ₩454,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Delta
Delta
Delta
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines

Frequently asked questions

How much is a flight from STL to Phoenix Sky Harbor Airport?
The lowest price advertised for a round-trip flight between St. Louis Lambert International Airport and Sky Harbor Intl. Airport (PHX) is ₩454,700. But you better get a move on. This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert-St. Louis Intl. Airport (STL) to Phoenix Sky Harbor Intl. Airport?
This differs from airline to airline, as each has its own terms and conditions. Head to the Customer Service Portal, where there are easy-to-follow instructions on how to cancel online.
How do I find cheap flights from Lambert-St. Louis Intl. Airport (STL) to Sky Harbor Intl. Airport (PHX) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Lambert-St. Louis Intl. Airport (STL) to Phoenix Sky Harbor Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Lambert Field to PHX?
The flying distance between St. Louis Lambert International Airport (STL) and Phoenix Sky Harbor Intl. Airport (PHX) is 2,000 kilometers. Work your way through your travel song playlist or get stuck into a book and the trip will zip on by.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to Sky Harbor Intl. Airport (PHX)?
Southwest Airlines (WN) is a top option. It offers 95 flights from Lambert Field to Phoenix Sky Harbor Intl. Airport each month. Like more options? Check out what’s available with American Airlines (AA). This carrier offers 56 flights every month between these airports.
Are Lambert-St. Louis Intl. Airport (STL) to Sky Harbor Intl. Airport (PHX) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from St. Louis Lambert International Airport to Sky Harbor Intl. Airport (PHX) can be hit-or-miss. You may be able to find a bargain, but you could also miss out entirely! If you’d rather play it safe and start planning your trip early on, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines list their prices that far in advance. Our suggestion? Check back often as prices are updated frequently.
*Available to Expedia members.