
$65 Cheap flight deals from Houston (HOU) to Union (STL)
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This Weekend's Flight Deals from Houston 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 $65 One Way, $142 Round Trip from Houston to Union
Prices starting at $142 for return flights and $65 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

Crowne Plaza St. Louis Airport by IHG
Nov 27 - Dec 1
Houston (HOU) to St. Louis (STL)
St. Louis (STL) to Houston (HOU)
Reviewed on Sep 16, 2025

Angad Arts Hotel St. Louis, Tapestry Collection by Hilton
Nov 27 - Dec 1
Houston (HOU) to St. Louis (STL)
St. Louis (STL) to Houston (HOU)
Reviewed on Sep 9, 2024

The Knight Center at Washington University
Nov 27 - Dec 1
Houston (HOU) to St. Louis (STL)
St. Louis (STL) to Houston (HOU)
Reviewed on Sep 15, 2025
More About Flying To Union from Houston
Route Information for Flights from Houston to Union
Origin Airport IATA Code | HOU |
|---|---|
Destination Airport IATA Code | STL |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Houston to Union
Orbitz is your one-stop source for great online deals on {origin.name} to Union flights. With our cutting-edge mobile tools and low fares, you are never far from finding fantastic savings on flights from Houston to Union.
Unbeatable Deals for Flights From Houston to Union
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Easy Flight Cancellation
In most cases, you can cancel flights from Houston to Union online with the same ease as you booked them.
Flights from Houston
- Houston to New York
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- Houston to Los Angeles
- Houston to Dallas
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- Houston to Phoenix
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Union Airports
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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.


