$127 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 $127 One Way, $256 Round Trip from Houston to Union
Prices starting at $256 for return flights and $127 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
Moonrise Hotel
Aug 15 - Aug 17
Houston (HOU) to St. Louis (STL)
St. Louis (STL) to Houston (HOU)
Reviewed on Jul 5, 2026
The Wildwood Hotel
Aug 15 - Aug 17
Houston (HOU) to St. Louis (STL)
St. Louis (STL) to Houston (HOU)
Reviewed on Jul 3, 2026
Ameristar Casino Resort and Spa
Aug 15 - Aug 17
Houston (HOU) to St. Louis (STL)
St. Louis (STL) to Houston (HOU)
Reviewed on Jul 4, 2026
Union first class flight packages
The Knight Center at Washington University
Aug 16 - Aug 19
Houston (IAH) to St. Louis (STL)
St. Louis (STL) to Houston (IAH)
Reviewed on Jul 5, 2026
Moonrise Hotel
Aug 17 - Aug 20
Houston (HOU) to St. Louis (STL)
Reviewed on Jul 5, 2026
The Cheshire
Aug 17 - Aug 20
Houston (HOU) to St. Louis (STL)
Reviewed on Jul 5, 2026
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
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Stay in Your Budget and Still Get Great Accommodations
Orbitz shoppers can access affordable vacation packages and have the option of booking their departure and arrival flights through different airlines, making travel less costly and more convenient. The best prices on flights from Houston to Unionare always found on Orbitz.
Flights from Houston
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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.