$76 Cheap flight deals from Detroit (DTT) to Union (STL)
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This Weekend's Flight Deals from Detroit 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 $76 One Way, $142 Round Trip from Detroit to Union
Prices starting at $142 for return flights and $76 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
Hampton Inn & Suites Clayton/St. Louis-Galleria Area
May 29 - May 31
Detroit (DTT) to St. Louis (STL)
St. Louis (STL) to Detroit (DTT)
Reviewed on Apr 20, 2022
Angad Arts Hotel St. Louis, Tapestry Collection by Hilton
May 29 - May 31
Detroit (DTT) to St. Louis (STL)
St. Louis (STL) to Detroit (DTT)
Reviewed on Jan 18, 2026
More About Flying To Union from Detroit
Route Information for Flights from Detroit to Union
Origin Airport IATA Code | DTT |
|---|---|
Destination Airport IATA Code | STL |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Detroit to Union
Getting a spectacularly low fare on Detroit to Union flights is always possible when you use Orbitz as your personal travel planner. Orbitz is your essential travel resource for low cost flights from Detroit to Union, discount hotel accommodations, cheap car rentals, and more.
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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 Detroit to Unionare always found on Orbitz.
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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.