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St. Louis to Sky Harbor International Airport flight
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Cheap Flights from St. Louis to Sky Harbor International Airport

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • STL21:39
        3h 28m
        Direct
        PHX23:07
        St. Louis - Phoenix|Wed, May 8|Frontier Airlines
        NZD 54NZD 114
        53% OFF
        53% OFF
        NZD 114NZD 54
      • STL12:39
        3h 28m
        Direct
        PHX14:07
        St. Louis - Phoenix|Sat, May 11|Frontier Airlines
        NZD 64NZD 114
        44% OFF
        44% OFF
        NZD 114NZD 64
      • STL23:41
        3h 17m
        Direct
        PHX00:58
        St. Louis - Phoenix|Sat, May 18|Frontier Airlines
        NZD 64NZD 114
        44% OFF
        44% OFF
        NZD 114NZD 64
      • STL21:50
        3h 17m
        Direct
        PHX23:07
        St. Louis - Phoenix|Sat, Jun 15|Frontier Airlines
        NZD 64
        NZD 64
      • STL22:57
        3h 18m
        Direct
        PHX00:15
        St. Louis - Phoenix|Wed, Jun 19|Frontier Airlines
        NZD 64
        NZD 64
      • STL23:41
        3h 17m
        Direct
        PHX00:58
        St. Louis - Phoenix|Sat, May 25|Frontier Airlines
        NZD 64
        NZD 64
      • STL22:21
        3h 17m
        Direct
        PHX23:38
        St. Louis - Phoenix|Wed, May 22|Frontier Airlines
        NZD 64
        NZD 64
      • STL21:39
        3h 28m
        Direct
        PHX23:07
        St. Louis - Phoenix|Wed, May 1|Frontier Airlines
        NZD 69
        NZD 69
      • STL12:39
        3h 28m
        Direct
        PHX14:07
        St. Louis - Phoenix|Sat, May 4|Frontier Airlines
        NZD 70
        NZD 70
      • STL17:01
        7h 26m
        1 stop
        PHX22:27
        St. Louis - Phoenix|Thu, May 23|Frontier Airlines
        NZD 74
        NZD 74
      • STL13:00
        3h 5m
        Direct
        PHX14:00
        St. Louis - Phoenix|Sun, May 5|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 St. Louis to Sky Harbor International Airport
Frontier Airlines
From NZD 54
American Airlines
From NZD 108
Spirit Airlines
From NZD 116
Sun Country Airlines
From NZD 151
Delta Air Lines
From NZD 155
United Airlines
From NZD 184
Southwest Airlines
From NZD 242
Southern Airways Express
From NZD 250
Alaska Airlines
From NZD 305
ANA airlines
Find more flights and airlines

Airports in St. Louis

  • 21.12 km from central St. Louis
    St. Louis Lambert International Airport
    Tickets From
    NZD 54
Flight Schedule from St. Louis to Sky Harbor International Airport
Flight info.
Departure
Arrival
Weekly Schedule

  1. AA2574

    American Airlines

    07:40

    STL

    3.2h

    Direct

    08:54

    PHX

    SMTWTFS
    Search

  2. F93903

    Frontier Airlines

    12:39

    STL

    3.5h

    Direct

    14:07

    PHX

    -----F-
    Search

  3. F92017

    Frontier Airlines

    12:50

    STL

    3.6h

    14:29

    LAS

    -M-W--S
    Search

  4. F93484

    Frontier Airlines

    07:09

    LAS

    1.3h

    08:24

    PHX

    SMTWTFS

  5. F92017

    Frontier Airlines

    12:50

    STL

    3.6h

    14:29

    LAS

    -M-W--S
    Search

  6. F94114

    Frontier Airlines

    15:15

    LAS

    1.0h

    16:17

    PHX

    SMTWTFS

  7. AA2303

    American Airlines

    14:39

    STL

    3.4h

    Direct

    16:04

    PHX

    SMTWTFS
    Search

  8. F93301

    Frontier Airlines

    15:53

    STL

    2.4h

    17:17

    DEN

    -M-W--S
    Search

  9. F93467

    Frontier Airlines

    20:18

    DEN

    1.9h

    21:15

    PHX

    SMTWT-S

  10. F93301

    Frontier Airlines

    15:53

    STL

    2.4h

    17:17

    DEN

    -M-W--S
    Search

  11. F94635

    Frontier Airlines

    19:25

    DEN

    2.0h

    20:25

    PHX

    -M----S

  12. F9007

    Frontier Airlines

    20:41

    STL

    2.5h

    22:12

    DEN

    S---TF-
    Search

  13. F93467

    Frontier Airlines

    20:18

    DEN

    1.9h

    21:15

    PHX

    SMTWT-S

  14. F92075

    Frontier Airlines

    22:02

    STL

    3.5h

    Direct

    23:30

    PHX

    S-T-T--
    Search
Find more flights and airlines

Flight Info of Flights from St. Louis to Sky Harbor International Airport

Cheapest round-trip ticket price

NZD 113

Cheapest nonstop flight price

NZD 53

Off-season for travel

May

Peak season for travel

October

FAQs for St. Louis to Sky Harbor International Airport Flights

  • 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 NZD 502.

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

    It takes around 3 hours 53 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): American Airlines, Alaska Airlines, Volaris, Southwest Airlines, United Airlines and Frontier Airlines.

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