Search Cheap Flights toUnion
Search 400 airlines and 321,000 hotels worldwide.
Stop Planning & Start Exploring
FREE 24 hour cancellation on most flights
Union Flights as Low as $56
Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.
Cheap Flights to Union
Fall in love at first flight with your vacation to Union by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to Union on Hotwire, and you’ll be up, up, and on a getaway in no time.
Because once the wheels are down in Union, the good times start rolling. So buckle up, you’re in for a fun ride.
Frequently Asked Questions About flights to Union
Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Union with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.
So all you have to worry about is where you’re headed after the STL airport.
What is the cheapest month to fly to Union?
Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to Union are in February, but when you book your flight on Hotwire, savings are always in season.
How many airlines fly to Union?
Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 14 to choose from for your flight to Union.
What airport is best to fly into Union?
When you’re planning your trip to Union, convenience is the name of the game. Luckily, Union Spirit of St. Louis Airport is nearby so you can deplane and get going on checking off everything on your Union must-do list.
How much are flights to Union?
Got very cheap flights on your vacation itinerary? When you book your airline tickets to Union on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $56, you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.
How to get cheap flights to Union?
The trick to saving a stack of cash on your flight to Union? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as $56 right now, why wait?
Destination airport | Lambert-St. Louis Intl. |
|---|---|
Destination airport IATA code | STL |
Roundtrip price | $56 |
Last Minute Hotel Deals in Union
Super 8 by Wyndham Union
Good stay. Clean quiet comfortable
Reviewed on Feb 5, 2026
The Wildwood Hotel
Excellent stay at Wildwood Hotel
Reviewed on Feb 13, 2026
Holiday Inn St. Louis West Six Flags by IHG
The room was rather on the older side, but the Holidome was very cool. The lobby was very cool too. Staff very nice.
Reviewed on Jan 28, 2026
Comfort Inn Sullivan
The room was perfect and clean. Joe and Ash and Vivica were so helpful and accommodating .
Reviewed on Feb 13, 2026
Pinemark Inn & Suites
Clean, friendly and very accommodating.
Reviewed on Feb 4, 2026
Best Western Plus Washington Hotel
Friendly Staff!!!
Reviewed on Feb 8, 2026
Comfort Inn Near Six Flags St. Louis
This is an older motel, but a good place to stay along I-44! The room was very clean, the staff were kind, and the breakfast was better than the usual motel breakfast! We had a small dog with us, and there were good places around the motel to walk her.
Reviewed on Feb 14, 2026
Super 8 by Wyndham Eureka/Six Flags Nearby
Room was clean and it was quiet. Would stay there again
Reviewed on Jan 12, 2026
Nearby Cities
Popular Flight Routes
- Atlanta to New York
- Detroit to Las Vegas
- Dallas to Atlanta
- Dallas to Yosemite National Park
- Toronto to Edmonton
- Chicago to Tulum
- Houston to Lake Tahoe
- Chicago to Las Vegas
- Dallas to Miami
- Dallas to Lake Tahoe
- New York to Miami
- New York to Las Vegas
- Miami to Atlanta
- Minneapolis St Paul to Fort Walton Beach Destin
- Dallas to Branson
- Cleveland to Vero Beach
- Managua to Miami
- Atlanta to Boston
- Austin to Tulum
- Calgary to Vancouver