$91 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 $91 One Way, $135 Round Trip from Phoenix to Union
Prices starting at $135 for return flights and $91 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
Mar 27 - Mar 29
Phoenix (PHX) to St. Louis (STL)
St. Louis (STL) to Phoenix (PHX)
Reviewed on Oct 16, 2025
Angad Arts Hotel St. Louis, Tapestry Collection by Hilton
Mar 27 - Mar 29
Phoenix (PHX) to St. Louis (STL)
St. Louis (STL) to Phoenix (PHX)
Reviewed on Jan 18, 2026
White House at Grand Central
Mar 27 - Mar 29
Phoenix (PHX) to St. Louis (STL)
St. Louis (STL) to Phoenix (PHX)
Reviewed on Sep 17, 2023
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
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Flights from Phoenix
- Phoenix to Chicago
- Phoenix to Los Angeles
- Phoenix to New York
- Phoenix to Houston
- Phoenix to Kansas City
- Phoenix to San Francisco
- Phoenix to Edmonton
- Phoenix to Atlanta
- Phoenix to Dallas
- Phoenix to Detroit
- Phoenix to London
- Phoenix to Orlando
- Phoenix to Toronto
- Phoenix to Washington
- Phoenix to Sacramento
- Phoenix to Billings
- Phoenix to Killeen
- Phoenix to Traverse City
- Phoenix to Charlotte
- Phoenix to Cleveland
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.