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Flights from St. Louis to Phoenix
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Flights from St. Louis to Phoenix Starting at Rs 11,140

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

  • One way
  • Round-trip
      • Cheapest nonstop
        STL07:20
        3h 36m
        Nonstop
        PHX09:56
        Fri, Dec 13|St. Louis - Phoenix|American Airlines
        Rs 42,455Rs 65,353
        35% OFF
        35% OFF
        Rs 65,353Rs 42,455

        Choose American Airlines flights from St. Louis to Phoenix. The one-way direct flight with American Airlines departs from St.Louis Lambert International Airport on Fri, Dec 13, arriving at Sky Harbor International Airport. One-way Prices start from Rs 42,455 including taxes and charges.

      • STL07:15
        3h 40m
        Nonstop
        PHX09:55
        Wed, Jan 8|St. Louis - Phoenix|American Airlines
        Rs 44,139Rs 65,353
        32% OFF
        32% OFF
        Rs 65,353Rs 44,139

        Choose American Airlines flights from St. Louis to Phoenix. The one-way direct flight with American Airlines departs from St.Louis Lambert International Airport on Wed, Jan 8, arriving at Sky Harbor International Airport. One-way Prices start from Rs 44,139 including taxes and charges.

      • STL21:46
        10h 50m
        1 stop
        PHX07:36
        Tue, Dec 17|St. Louis - Phoenix|Frontier Airlines
        Rs 11,140Rs 65,353
        83% OFF
        83% OFF
        Rs 65,353Rs 11,140

        Choose Frontier Airlines flights from St. Louis to Phoenix. The one-way connecting flight with Frontier Airlines departs from St.Louis Lambert International Airport on Tue, Dec 17, arriving at Sky Harbor International Airport. One-way Prices start from Rs 11,140 including taxes and charges.

      • STL20:34
        12h 44m
        1 stop
        PHX08:18
        Sun, Dec 8|St. Louis - Phoenix|Frontier Airlines
        Rs 14,394
        Rs 14,394

        Choose Frontier Airlines flights from St. Louis to Phoenix. The one-way connecting flight with Frontier Airlines departs from St.Louis Lambert International Airport on Sun, Dec 8, arriving at Sky Harbor International Airport. One-way Prices start from Rs 14,394 including taxes and charges.

      • STL18:49
        6h 33m
        1 stop
        PHX00:22
        Wed, Dec 18|St. Louis - Phoenix|Frontier Airlines
        Rs 14,509
        Rs 14,509

        Choose Frontier Airlines flights from St. Louis to Phoenix. The one-way connecting flight with Frontier Airlines departs from St.Louis Lambert International Airport on Wed, Dec 18, arriving at Sky Harbor International Airport. One-way Prices start from Rs 14,509 including taxes and charges.

      • STL18:46
        6h 40m
        1 stop
        PHX00:26
        Wed, Jan 15|St. Louis - Phoenix|Frontier Airlines
        Rs 14,585
        Rs 14,585

        Choose Frontier Airlines flights from St. Louis to Phoenix. The one-way connecting flight with Frontier Airlines departs from St.Louis Lambert International Airport on Wed, Jan 15, arriving at Sky Harbor International Airport. One-way Prices start from Rs 14,585 including taxes and charges.

      • STL18:46
        6h 34m
        1 stop
        PHX00:20
        Sat, Jan 11|St. Louis - Phoenix|Frontier Airlines
        Rs 14,700
        Rs 14,700

        Choose Frontier Airlines flights from St. Louis to Phoenix. The one-way connecting flight with Frontier Airlines departs from St.Louis Lambert International Airport on Sat, Jan 11, arriving at Sky Harbor International Airport. One-way Prices start from Rs 14,700 including taxes and charges.

      • STL18:46
        6h 34m
        1 stop
        PHX00:20
        Mon, Dec 16|St. Louis - Phoenix|Frontier Airlines
        Rs 14,853
        Rs 14,853

        Choose Frontier Airlines flights from St. Louis to Phoenix. The one-way connecting flight with Frontier Airlines departs from St.Louis Lambert International Airport on Mon, Dec 16, arriving at Sky Harbor International Airport. One-way Prices start from Rs 14,853 including taxes and charges.

      • STL18:54
        7h 5m
        1 stop
        PHX00:59
        Sat, Mar 1|St. Louis - Phoenix|Frontier Airlines
        Rs 14,930
        Rs 14,930

        Choose Frontier Airlines flights from St. Louis to Phoenix. The one-way connecting flight with Frontier Airlines departs from St.Louis Lambert International Airport on Sat, Mar 1, arriving at Sky Harbor International Airport. One-way Prices start from Rs 14,930 including taxes and charges.

      • STL19:09
        6h 17m
        1 stop
        PHX00:26
        Sat, Feb 1|St. Louis - Phoenix|Frontier Airlines
        Rs 14,968
        Rs 14,968

        Choose Frontier Airlines flights from St. Louis to Phoenix. The one-way connecting flight with Frontier Airlines departs from St.Louis Lambert International Airport on Sat, Feb 1, arriving at Sky Harbor International Airport. One-way Prices start from Rs 14,968 including taxes and charges.

      • STL13:00
        3h 5m
        Nonstop
        PHX14:00
        Sun, Dec 15|St. Louis - Phoenix|American Airlines
        Find More Flights
        Find More Flights

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

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

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

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From Rs 11,140
Southern Airways Express
From Rs 30,051
Alaska Airlines
From Rs 34,760
United Airlines
From Rs 39,583
Delta Air Lines
From Rs 39,622
Southwest Airlines
From Rs 40,464
American Airlines
From Rs 42,148

Find more flights and airlines

Alternative Routes from St. Louis to Phoenix

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from St. Louis to Phoenix.

  • Cheapest
    Frontier Airlines
    STL
    21:46
    10h 50m
    1 transfer
    PHX
    07:36
    St.Louis Lambert International Airport - Sky Harbor International Airport
    Tue, Dec 17Frontier Airlines
    Rs 11,140
  • Delta Air Lines
    STL
    06:00
    13h 6m
    1 transfer
    AZA
    18:06
    St.Louis Lambert International Airport - Phoenix–Mesa Gateway Airport
    Mon, Dec 9Delta Air Lines
    Rs 82,344
  • Delta Air Lines
    STL
    06:00
    13h 6m
    1 transfer
    AZA
    18:06
    St.Louis Lambert International Airport - Phoenix–Mesa Gateway Airport
    Mon, Dec 9Delta Air Lines
    Rs 82,344
    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 Rs 85,253.

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

    It takes around 4 hours 17 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

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 Information from St. Louis to Phoenix

Cheapest nonstop flight priceRs 11,140
Cheapest round-trip ticket priceRs 58,188
Off-season for travelNovember
Peak season for travelMarch
Flight distance2,042.1 km
Average flight time4 hours 17 minutes
Popular airlineAmerican Airlines

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