$84 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 $84 One Way, $160 Round Trip from Phoenix to Southwest Illinois
Prices starting at $160 for return flights and $84 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 Wildwood Hotel
May 23 - May 25
Phoenix (PHX) to St. Louis (STL)
St. Louis (STL) to Phoenix (PHX)
Reviewed on Oct 16, 2025
Ameristar Casino Resort and Spa
May 23 - May 25
Phoenix (PHX) to St. Louis (STL)
St. Louis (STL) to Phoenix (PHX)
Reviewed on Dec 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
Those who want guaranteed low prices for Phoenix to Southwest Illinois flights only need to visit Orbitz. We take advantage of the latest mobile technologies to make sure you get the best bargain on your trip and that everything goes smoothly and according to your plans.
Take Advantage of Orbitz’s Amazing Customer Service on Phoenix to Southwest Illinois Flights
We will help you from booking to boarding on flights from Phoenix to Southwest Illinois. Whether you have questions about baggage limits, seat assignments or anything else, we will be there to answer them for you.
Get Great Recommendations For Travel Ideas On Orbitz.com
We do not only get the best bargains on flights from Phoenix to Southwest Illinois, but we can tell you what to do once you get there. Whether it is a music festival, hotel recommendation or list of local attractions, Orbitz can help make your travel plan more exciting.
Combine Car Rental With Your Discount Flight For Even More Savings
Not only can we get bargain deals on flights from Phoenix to Southwest Illinois but we can book your transport as well. By combining car rental with Phoenix to Southwest Illinois flights, you can be sure to save money and start moving as soon as you hit the ground.
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This convenient app works with most smartphones and allows you to see the status of flights from Phoenix to Southwest Illinois. You don’t have to worry, if something goes wrong, we’ll let you know.
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.