$83 Cheap flight deals from Phoenix (PHX) to Southwest Illinois (STL)
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This Weekend's Flight Deals from Phoenix to Southwest Illinois
This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Airfares from $83 One Way, $163 Round Trip from Phoenix to Southwest Illinois
Prices starting at $163 for return flights and $83 for one-way flights to Southwest Illinois were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Southwest Illinois economy flight packages
The West End
May 11 - May 18
Phoenix (PHX) to St. Louis (STL)
St. Louis (STL) to Phoenix (PHX)
Reviewed on Feb 17, 2025
Angad Arts Hotel St. Louis, Tapestry Collection by Hilton
May 11 - May 18
Phoenix (PHX) to St. Louis (STL)
St. Louis (STL) to Phoenix (PHX)
Reviewed on Jan 18, 2026
The Cheshire
May 11 - May 18
Phoenix (PHX) to St. Louis (STL)
St. Louis (STL) to Phoenix (PHX)
Reviewed on Sep 2, 2025
More About Flying To Southwest Illinois from Phoenix
Route Information for Flights from Phoenix to Southwest Illinois
Origin Airport IATA Code | PHX |
|---|---|
Destination Airport IATA Code | STL |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Phoenix to Southwest Illinois
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See Significant Savings That Fit Your Schedule
We make it as easy as possible for you to book great deals on flights from Phoenix to Southwest Illinois. You won’t be forced to compromise on your schedule—you can pick Phoenix to Southwest Illinois flights that suit your needs.
Flights from Phoenix
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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.
Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.
Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.