$35 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 $35 One Way, $71 Round Trip from Phoenix to Southwest Illinois
Prices starting at $71 for return flights and $35 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
Crowne Plaza St. Louis Airport by IHG
Dec 11 - Dec 14
Phoenix (PHX) to St. Louis (STL)
St. Louis (STL) to Phoenix (PHX)
Reviewed on Sep 16, 2025
Cobblestone Inn & Suites - Altamont
Dec 18 - Dec 21
Phoenix (PHX) to St. Louis (STL)
St. Louis (STL) to Phoenix (PHX)
Reviewed on Oct 18, 2025
Holiday Inn Express & Suites Vandalia by IHG
Dec 18 - Dec 21
Phoenix (PHX) to St. Louis (STL)
St. Louis (STL) to Phoenix (PHX)
Reviewed on Jul 19, 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
For the best travel experience from Phoenix to Southwest Illinois domestic and international travelers everywhere choose Orbitz for guaranteed low prices and cutting-edge mobile tools.
Convenient Low-Cost Travel
Orbitz makes it simple to book discount flights from Phoenix to {destination.name} without compromising your schedule. You can always find deals on domestic flights from a location near you. You may find the best deals to fit your schedule by mixing and matching airlines to get you from Phoenix to Southwest Illinois.
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You can access Orbitz anywhere at anytime for travel from Phoenix to Southwest Illinois using the latest technology. Via your mobile phone you can track any changes to your flight status, gate and baggage claim details, and with Orbitz’s full-service mobile apps for iPhone and Android you can view these trip details anytime anywhere. You can also get fare alerts and travel updates to keep you informed of the cheapest flights from Phoenix to Southwest Illinois.
Earn Rewards on Your Phoenix to Southwest Illinois Flights
At Orbitz you can benefit from low cost travel and have your loyalty rewarded on certain types of Phoenix to Southwest Illinois flights. All you need to do is enter you frequent flyer number when booking and rack up your rewards through Orbitz online on the Traveler Information page for use on future flights. You can even add your frequent flyer number to an existing reservation to start the ball rolling.
Flights from Phoenix
- Phoenix to Chicago
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- Phoenix to Washington
- Phoenix to Columbus
- Phoenix to St. Louis
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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.