$125 Cheap flight deals from Phoenix (PHX) to Union (STL)
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This Weekend's Flight Deals from Phoenix to Union
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 $125 One Way, $256 Round Trip from Phoenix to Union
Prices starting at $256 for return flights and $125 for one-way flights to Union were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Union economy flight packages
The Wildwood Hotel
Aug 28 - Aug 30
Phoenix (PHX) to St. Louis (STL)
St. Louis (STL) to Phoenix (PHX)
Reviewed on Jul 3, 2026
The Cheshire
Aug 11 - Aug 18
Phoenix (PHX) to St. Louis (STL)
St. Louis (STL) to Phoenix (PHX)
Reviewed on Jul 5, 2026
Landing Amazing 1bd, Yoga Studio, Gym
Aug 11 - Aug 18
Phoenix (PHX) to St. Louis (STL)
St. Louis (STL) to Phoenix (PHX)
More About Flying To Union from Phoenix
Route Information for Flights from Phoenix to Union
Origin Airport IATA Code | PHX |
|---|---|
Destination Airport IATA Code | STL |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Phoenix to Union
Phoenix to Union flights are offered at fantastic discount by Orbitz. Book air tickets now and cut those extra costs out of your travel budget to ensure a rewarding travel experience. With guaranteed low prices like these, can you afford to miss this discount?
Book cheap flights from Phoenix to Union
Cheap airfares are available on flights from Phoenix to Union. Use Orbitz to find the best flights that suit both your budget and the travel times that you need. Travelers who are looking for discounted rates on domestic or international flights need to look no further than Orbitz.
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Get a great package with your Phoenix to Union flights
With frequent updates on your flight status, including delays and changes in bookings, traveling becomes more hassle-free than ever. Not only do we offer huge discounted deals on flights from Phoenix to Union, we also have fantastic savings on vacation packages, hotel room, cruises, activities, and car rentals so you can pick and choose and create the best travel package for you.
Flights from Phoenix
- Phoenix to Chicago
- Phoenix to Seattle
- Phoenix to Los Angeles
- Phoenix to Dallas
- Phoenix to Denver
- Phoenix to Houston
- Phoenix to New York
- Phoenix to Orlando
- Phoenix to Atlanta
- Phoenix to London
- Phoenix to Vancouver
- Phoenix to Toronto
- Phoenix to Cleveland
- Phoenix to Sacramento
- Phoenix to San Francisco
- Phoenix to Columbus
- Phoenix to Washington
- Phoenix to Charlotte
- Phoenix to Detroit
- Phoenix to St. Louis
Union Airports
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.