Cheap flight deals from St. Louis to Phoenix Starting at PHP 3,212

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • Round-trip
  • One way

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

When is the cheapest time to fly from St. Louis to Phoenix?

We monitor flight fares to help you find the best deals effortlessly

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  • 23 30

  • Apr

    30 6
  • 6 13
  • 13 20
  • 20 27

  • May

    27 4
  • 4 11
  • 11 18
  • 18 25

  • Jun

    25 1
  • 1 8
  • 8 15
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • 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 PHP 26,756.

  • How long does it take to fly from St. Louis (STL) to Phoenix (PHX) and what is the distance?

    It takes around 4 hours 34 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, American Airlines, Southwest Airlines, Volaris and Frontier Airlines.

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

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 St. Louis to Phoenix. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | St. Louis to Phoenix

Cheapest one-way flight price PHP 3,211
Cheapest round-trip ticket price PHP 13,862
Off-season for travel January
Peak season for travel December
Flight distance 2,042.1 km
Average flight time 4 hours 34 minutes
Popular airline Alaska Airlines

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