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Phoenix to St. Louis Lambert International Airport flight
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Cheap Flights from Phoenix to St. Louis Lambert International Airport

  • One way
  • Round-trip
sortSort by: Lowest Price
  • Sort by: Lowest Price
  • Sort by: Earliest Flight
      • PHX17:50
        2h 59m
        Direct
        STL22:49
        Phoenix - St. Louis|Sat, May 18|Frontier Airlines
        US$28US$51
        45% OFF
        45% OFF
        US$51US$28
      • PHX16:32
        2h 59m
        Direct
        STL21:31
        Phoenix - St. Louis|Mon, May 20|Frontier Airlines
        US$37US$51
        27% OFF
        27% OFF
        US$51US$37
      • PHX16:32
        2h 59m
        Direct
        STL21:31
        Phoenix - St. Louis|Wed, May 29|Frontier Airlines
        US$37US$51
        27% OFF
        27% OFF
        US$51US$37
      • PHX15:06
        2h 54m
        Direct
        STL20:00
        Phoenix - St. Louis|Sat, Jun 22|Frontier Airlines
        US$37
        US$37
      • PHX16:44
        2h 59m
        Direct
        STL21:43
        Phoenix - St. Louis|Sat, Jun 8|Frontier Airlines
        US$38
        US$38
      • PHX16:32
        2h 59m
        Direct
        STL21:31
        Phoenix - St. Louis|Fri, May 17|Frontier Airlines
        US$38
        US$38
      • PHX10:45
        2h 54m
        Direct
        STL15:39
        Phoenix - St. Louis|Wed, May 15|Frontier Airlines
        US$38
        US$38
      • PHX17:08
        2h 59m
        Direct
        STL22:07
        Phoenix - St. Louis|Wed, Jun 5|Frontier Airlines
        US$40
        US$40
      • PHX15:35
        3h 1m
        Direct
        STL20:36
        Phoenix - St. Louis|Wed, May 22|Frontier Airlines
        US$41
        US$41
      • PHX11:48
        8h 11m
        1 stop
        STL21:59
        Phoenix - St. Louis|Tue, May 14|Frontier Airlines
        US$45
        US$45
      • PHX13:00
        3h 5m
        Direct
        STL14:00
        Phoenix - St. Louis|Wed, May 15|Frontier Airlines
        Find More Flights
        Find More Flights

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

Selected Airlines from Phoenix to St. Louis Lambert International Airport
Frontier Airlines
From US$28
American Airlines
From US$68
Delta Air Lines
From US$101
Sun Country Airlines
From US$114
United Airlines
From US$134
Spirit Airlines
From US$140
Southwest Airlines
From US$146
Alaska Airlines
From US$190
ANA airlines
Find more flights and airlines

There are 1 airport(s) in Phoenix. Discover the top routes now!

  • 3.08 km from downtown Phoenix
    Sky Harbor International Airport
    Tickets From
    US$28
Flight Schedule from Phoenix to St. Louis Lambert International Airport
Flight info.
Departure
Arrival
Weekly Schedule

  1. F91376

    Frontier Airlines

    05:45

    PHX

    2.0h

    08:43

    DEN

    SMTWTFS
    Search

  2. F93302

    Frontier Airlines

    08:44

    DEN

    2.1h

    11:50

    STL

    -M-W--S

  3. F93904

    Frontier Airlines

    06:45

    PHX

    2.9h

    Direct

    11:39

    STL

    -----F-
    Search

  4. F93483

    Frontier Airlines

    08:35

    PHX

    1.3h

    09:53

    LAS

    SM-WTF-
    Search

  5. F94416

    Frontier Airlines

    16:42

    LAS

    3.3h

    21:59

    STL

    -M-----

  6. F92076

    Frontier Airlines

    17:05

    PHX

    2.9h

    Direct

    21:59

    STL

    S-T-T--
    Search

  7. AA890

    American Airlines

    18:50

    PHX

    3.0h

    Direct

    23:51

    STL

    SMTWTFS
    Search
Find more flights and airlines

Flight Info of Flights from Phoenix to St. Louis Lambert International Airport

Cheapest round-trip ticket price

$68

Cheapest nonstop flight price

$28

Off-season for travel

May

Peak season for travel

November

FAQs for Phoenix to St. Louis Lambert International Airport Flights

  • When are flight tickets from Phoenix (PHX) to St. Louis (STL) the cheapest?

    Airlines adjust prices for flights from Phoenix to St. Louis 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 Phoenix (PHX) to St. Louis (STL) cost?

    According to Trip.com's data, the lowest price is around $293.

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

    It takes around 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. It takes about 40 minutes by taxi.

  • 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, American Airlines, Volaris, Southwest Airlines and Frontier Airlines.

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