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Union

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Union Flights as Low as $97

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

American Airlines
Tue, Feb 25 - Wed, Feb 26
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$97 Roundtrip, found 22 hours ago
$97
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Tue, Feb 25 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, Feb 26, priced at $97 found 22 hours ago
United
Tue, Feb 25 - Wed, Feb 26
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$97 Roundtrip, found 22 hours ago
$97
Roundtrip
found 22 hours ago
Select United flight, departing Tue, Feb 25 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, Feb 26, priced at $97 found 22 hours ago
United
Tue, Feb 25 - Wed, Feb 26
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$99 Roundtrip, found 22 hours ago
$99
Roundtrip
found 22 hours ago
Select United flight, departing Tue, Feb 25 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, Feb 26, priced at $99 found 22 hours ago
Frontier Airlines
Mon, Jan 13 - Sat, Jan 25
MSY
Louis Armstrong New Orleans Intl.
STL
Lambert-St. Louis Intl.
$114 Roundtrip, found 4 days ago
$114
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Mon, Jan 13 from Louis Armstrong New Orleans Intl. to Lambert-St. Louis Intl., returning Sat, Jan 25, priced at $114 found 4 days ago
Frontier Airlines
Tue, Jan 7 - Sat, Jan 11
BWI
Baltimore Washington Intl. Thurgood Marshall
STL
Lambert-St. Louis Intl.
$114 Roundtrip, found 4 days ago
$114
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Tue, Jan 7 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Sat, Jan 11, priced at $114 found 4 days ago
Frontier Airlines
Wed, Feb 12 - Sat, Feb 22
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$119 Roundtrip, found 2 days ago
$119
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Feb 12 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Sat, Feb 22, priced at $119 found 2 days ago
Frontier Airlines
Tue, Feb 25 - Wed, Feb 26
BDL
Bradley Intl.
STL
Lambert-St. Louis Intl.
$119 Roundtrip, found 22 hours ago
$119
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Tue, Feb 25 from Bradley Intl. to Lambert-St. Louis Intl., returning Wed, Feb 26, priced at $119 found 22 hours ago
Frontier Airlines
Tue, Apr 8 - Sat, Apr 12
TTN
Mercer
STL
Lambert-St. Louis Intl.
$120 Roundtrip, found 9 hours ago
$120
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Tue, Apr 8 from Mercer to Lambert-St. Louis Intl., returning Sat, Apr 12, priced at $120 found 9 hours ago
Southern Airways Express
Tue, Feb 25 - Wed, Feb 26
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$156 Roundtrip, found 22 hours ago
$156
Roundtrip
found 22 hours ago
Select Southern Airways Express flight, departing Tue, Feb 25 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, Feb 26, priced at $156 found 22 hours ago
Delta
Sat, Jan 18 - Mon, Jan 20
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$176 Roundtrip, found 3 days ago
$176
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Jan 18 from O'Hare Intl. to Lambert-St. Louis Intl., returning Mon, Jan 20, priced at $176 found 3 days ago
Spirit Airlines
Wed, Feb 26 - Tue, Mar 4
BDL
Bradley Intl.
STL
Lambert-St. Louis Intl.
$177 Roundtrip, found 22 hours ago
$177
Roundtrip
found 22 hours ago
Select Spirit Airlines flight, departing Wed, Feb 26 from Bradley Intl. to Lambert-St. Louis Intl., returning Tue, Mar 4, priced at $177 found 22 hours ago
Delta
Wed, Feb 26 - Mon, Mar 3
MIA
Miami Intl.
STL
Lambert-St. Louis Intl.
$197 Roundtrip, found 1 day ago
$197
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Feb 26 from Miami Intl. to Lambert-St. Louis Intl., returning Mon, Mar 3, priced at $197 found 1 day ago
Frontier Airlines
Sat, Jan 18 - Tue, Jan 21
PHL
Philadelphia Intl.
STL
Lambert-St. Louis Intl.
$204 Roundtrip, found 16 hours ago
$204
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Sat, Jan 18 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Tue, Jan 21, priced at $204 found 16 hours ago
Spirit Airlines
Tue, Jan 14 - Thu, Jan 23
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$215 Roundtrip, found 1 day ago
$215
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Tue, Jan 14 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Thu, Jan 23, priced at $215 found 1 day ago
American Airlines
Sat, Jan 18 - Tue, Jan 21
FAY
Fayetteville Regional
STL
Lambert-St. Louis Intl.
$305 Roundtrip, found 23 hours ago
$305
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Sat, Jan 18 from Fayetteville Regional to Lambert-St. Louis Intl., returning Tue, Jan 21, priced at $305 found 23 hours ago
American Airlines
Mon, Jan 6 - Tue, Jan 14
ABQ
Albuquerque Intl. Sunport
STL
Lambert-St. Louis Intl.
$501 Roundtrip, found 4 days ago
$501
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Jan 6 from Albuquerque Intl. Sunport to Lambert-St. Louis Intl., returning Tue, Jan 14, priced at $501 found 4 days ago

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 16 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 $97, 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 $97 right now, why wait?

Union Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$97

Last Minute Hotel Deals in Union

Super 8 by Wyndham Union
Super 8 by Wyndham Union
2 out of 5
1015 East Main Street, I44 Exit 247 Hwy 50, Union, MO
The price is $85 per night from Jan 11 to Jan 12
$85
includes taxes & fees
Jan 11 - Jan 12
Book a stay at this business-friendly hotel in Union. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms ...
8/10 Very Good! (563 reviews)
🌟🌟🌟🌟🌟 Very satisfied customer!
"This is my 3rd time staying at Super 8 by Wyndham in Union, MO. Again, I was completely satisfied with my stay! THIS location takes great pride in making their location shine! The employees are friendly and accommodating. The outside grounds, front desk area, hallways, elevator and rooms are all ..."

Reviewed on Dec 17, 2024

Super 8 by Wyndham Union
The Wildwood Hotel
The Wildwood Hotel
3.5 out of 5
2801 Fountain Pl, Wildwood, MO
The price is $118 per night from Jan 5 to Jan 6
$118
includes taxes & fees
Jan 5 - Jan 6
Stay at this 3.5-star business-friendly hotel in Wildwood. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the convenient ...
9/10 Wonderful! (1,425 reviews)
"Great customer service, Nice people, professional!"

Reviewed on Jan 1, 2025

The Wildwood Hotel
Holiday Inn St. Louis West Six Flags, an IHG Hotel
Holiday Inn St. Louis West Six Flags, an IHG Hotel
3 out of 5
4901 Six Flags Rd, Eureka, MO
The price is $162 per night from Jan 6 to Jan 7
$162
includes taxes & fees
Jan 6 - Jan 7
Stay at this 3-star family-friendly hotel in Eureka. Enjoy free WiFi, free parking, and breakfast (surcharge). Our guests praise the pool and the restaurant ...
8.6/10 Excellent! (1,000 reviews)
"Historic, close to 6 flags. Nice buffet in the restaurant"

Reviewed on Jan 4, 2025

Holiday Inn St. Louis West Six Flags, an IHG Hotel
Pinemark Inn & Suites
Pinemark Inn & Suites
2 out of 5
866 South Outer Road, St. Clair, MO
The price is $125 per night from Jan 5 to Jan 6
$125
includes taxes & fees
Jan 5 - Jan 6
Stay at this hotel in St. Clair. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the pool in our reviews. Popular attractions ...
9.4/10 Exceptional! (1,002 reviews)
"Good solid choice if traveling through. Good breakfast. Fairly clean and tidy rooms. Comfy beds and bedding."

Reviewed on Dec 30, 2024

Pinemark Inn & Suites
Comfort Inn Sullivan
Comfort Inn Sullivan
2.5 out of 5
736 S Service Rd W, Sullivan, MO
The price is $107 per night from Jan 20 to Jan 21
$107
includes taxes & fees
Jan 20 - Jan 21
Book a stay at this business-friendly hotel in Sullivan. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. ...
8.6/10 Excellent! (690 reviews)
A place to shower and sleep
"The stay was what we needed, a place to shower and sleep. Breakfast and coffee in the morning was nice. We were told that the hot tub was only operating at a lukewarm temperature so that was a let down. The room itself was fine, although there were empty beer cans in every drawer… in the dresser, ..."

Reviewed on Dec 30, 2024

Comfort Inn Sullivan
Comfort Inn Near Six Flags St. Louis
Comfort Inn Near Six Flags St. Louis
2.5 out of 5
1320 Thornton St, Pacific, MO
The price is $125 per night from Jan 5 to Jan 6
$125
includes taxes & fees
Jan 5 - Jan 6
Book a stay at this business-friendly hotel in Pacific. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
8.2/10 Very Good! (759 reviews)
"Thank you for a great stay. Enjoyed the polite and helpful staff. Clean and tidy. More towel s in pool areas. Lighting and amenities were welcoming. Again. Thank you."

Reviewed on Dec 29, 2024

Comfort Inn Near Six Flags St. Louis
Super 8 by Wyndham Eureka/Six Flags Nearby
Super 8 by Wyndham Eureka/Six Flags Nearby
2 out of 5
1733 W 5th St, Eureka, MO
The price is $85 per night from Jan 5 to Jan 6
$85
includes taxes & fees
Jan 5 - Jan 6
Stay at this hotel in Eureka. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms in our reviews. Popular ...
6.8/10 (1,000 reviews)
"Good"

Reviewed on Dec 23, 2024

Super 8 by Wyndham Eureka/Six Flags Nearby
Baymont by Wyndham Sullivan
Baymont by Wyndham Sullivan
2.5 out of 5
275 North Service Road West, Sullivan, MO
The price is $94 per night from Feb 3 to Feb 4
$94
includes taxes & fees
Feb 3 - Feb 4
Book a stay at this business-friendly hotel in Sullivan. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
7.8/10 Good! (1,001 reviews)
"Good clean property"

Reviewed on Jan 1, 2025

Baymont by Wyndham Sullivan
See all 341 properties in Union
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.