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Union

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Union Flights as Low as $118

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

Frontier Airlines
Mon, Dec 23 - Thu, Jan 2
OKC
Will Rogers World
STL
Lambert-St. Louis Intl.
$118 Roundtrip, found 17 hours ago
$118
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Mon, Dec 23 from Will Rogers World to Lambert-St. Louis Intl., returning Thu, Jan 2, priced at $118 found 17 hours ago
Frontier Airlines
Wed, Dec 18 - Wed, Jan 15
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$118 Roundtrip, found 1 day ago
$118
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Dec 18 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Jan 15, priced at $118 found 1 day ago
Frontier Airlines
Mon, Dec 16 - Tue, Dec 17
IAD
Washington Dulles Intl.
STL
Lambert-St. Louis Intl.
$119 Roundtrip, found 1 day ago
$119
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Dec 16 from Washington Dulles Intl. to Lambert-St. Louis Intl., returning Tue, Dec 17, priced at $119 found 1 day ago
Frontier Airlines
Tue, Dec 17 - Fri, Dec 20
IAD
Washington Dulles Intl.
STL
Lambert-St. Louis Intl.
$128 Roundtrip, found 1 day ago
$128
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Dec 17 from Washington Dulles Intl. to Lambert-St. Louis Intl., returning Fri, Dec 20, priced at $128 found 1 day ago
Frontier Airlines
Tue, Dec 17 - Mon, Jan 6
SAN
San Diego Intl.
STL
Lambert-St. Louis Intl.
$138 Roundtrip, found 5 hours ago
$138
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Tue, Dec 17 from San Diego Intl. to Lambert-St. Louis Intl., returning Mon, Jan 6, priced at $138 found 5 hours ago
Frontier Airlines
Sat, Jan 18 - Thu, Jan 23
CLT
Charlotte-Douglas Intl.
STL
Lambert-St. Louis Intl.
$153 Roundtrip, found 4 days ago
$153
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Jan 18 from Charlotte-Douglas Intl. to Lambert-St. Louis Intl., returning Thu, Jan 23, priced at $153 found 4 days ago
Frontier Airlines
Tue, Dec 17 - Wed, Dec 18
ORF
Norfolk Intl.
STL
Lambert-St. Louis Intl.
$158 Roundtrip, found 4 days ago
$158
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Tue, Dec 17 from Norfolk Intl. to Lambert-St. Louis Intl., returning Wed, Dec 18, priced at $158 found 4 days ago
Frontier Airlines
Tue, Dec 17 - Wed, Dec 18
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$158 Roundtrip, found 4 days ago
$158
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Tue, Dec 17 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Wed, Dec 18, priced at $158 found 4 days ago
Frontier Airlines
Wed, Dec 25 - Mon, Dec 30
MSY
Louis Armstrong New Orleans Intl.
STL
Lambert-St. Louis Intl.
$189 Roundtrip, found 1 day ago
$189
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Dec 25 from Louis Armstrong New Orleans Intl. to Lambert-St. Louis Intl., returning Mon, Dec 30, priced at $189 found 1 day ago
Frontier Airlines
Wed, Dec 4 - Wed, Dec 11
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$193 Roundtrip, found 16 hours ago
$193
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Wed, Dec 4 from Denver Intl. to Lambert-St. Louis Intl., returning Wed, Dec 11, priced at $193 found 16 hours ago
Spirit Airlines
Tue, Jan 14 - Tue, Jan 21
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$225 Roundtrip, found 6 days ago
$225
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Tue, Jan 14 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Jan 21, priced at $225 found 6 days ago
American Airlines
Sun, Dec 22 - Fri, Jan 3
OKC
Will Rogers World
STL
Lambert-St. Louis Intl.
$236 Roundtrip, found 17 hours ago
$236
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Sun, Dec 22 from Will Rogers World to Lambert-St. Louis Intl., returning Fri, Jan 3, priced at $236 found 17 hours ago
Delta
Wed, Dec 18 - Wed, Jan 1
OKC
Will Rogers World
STL
Lambert-St. Louis Intl.
$236 Roundtrip, found 17 hours ago
$236
Roundtrip
found 17 hours ago
Select Delta flight, departing Wed, Dec 18 from Will Rogers World to Lambert-St. Louis Intl., returning Wed, Jan 1, priced at $236 found 17 hours ago
United
Mon, Dec 30 - Thu, Jan 2
MSY
Louis Armstrong New Orleans Intl.
STL
Lambert-St. Louis Intl.
$258 Roundtrip, found 1 day ago
$258
Roundtrip
found 1 day ago
Select United flight, departing Mon, Dec 30 from Louis Armstrong New Orleans Intl. to Lambert-St. Louis Intl., returning Thu, Jan 2, priced at $258 found 1 day ago
American Airlines
Tue, Dec 31 - Thu, Jan 2
FLO
Florence Regional
STL
Lambert-St. Louis Intl.
$393 Roundtrip, found 1 day ago
$393
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Dec 31 from Florence Regional to Lambert-St. Louis Intl., returning Thu, Jan 2, priced at $393 found 1 day ago
Alaska Airlines
Thu, Mar 6 - Tue, Mar 11
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$444 Roundtrip, found 12 hours ago
$444
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Thu, Mar 6 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Tue, Mar 11, priced at $444 found 12 hours 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 December, 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 $118, 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 $118 right now, why wait?

Union Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$118

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 $76 per night from Dec 22 to Dec 23
$76
includes taxes & fees
Dec 22 - Dec 23
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! (558 reviews)
"Enjoyed our stay and the staff was very nice & helpful"

Reviewed on Oct 28, 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 $117 per night from Dec 1 to Dec 2
$117
includes taxes & fees
Dec 1 - Dec 2
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! (1,414 reviews)
"We liked everything except the breakfast. The spoild orange and apples need your attention. If you add hot breakast such as egg omellete it will be great."

Reviewed on Nov 24, 2024

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 $135 per night from Dec 2 to Dec 3
$135
includes taxes & fees
Dec 2 - Dec 3
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! (999 reviews)
"Overall I do like the place!! Good food and staff… I did go to the bathroom at the pool .. if had lots of baby flys and a roach crawling on the wall!!! I know it sounds bad but I do like the place"

Reviewed on Nov 5, 2024

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 Dec 1 to Dec 2
$125
includes taxes & fees
Dec 1 - Dec 2
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 attraction ...
9.4/10 Exceptional! (1,001 reviews)
"This is our 3rd time staying at Pine Mark. The rooms are the cleanest hotel rooms I’ve seen in a long time and the staff are all very helpful and friendly."

Reviewed on Nov 29, 2024

Pinemark Inn & Suites
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 $84 per night from Dec 2 to Dec 3
$84
includes taxes & fees
Dec 2 - Dec 3
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)
"It was what I needed for a night while traveling."

Reviewed on Nov 22, 2024

Super 8 by Wyndham Eureka/Six Flags Nearby
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 $100 per night from Dec 15 to Dec 16
$100
includes taxes & fees
Dec 15 - Dec 16
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! (753 reviews)
Nice stay
"Overall our stay was good! The rooms were clean and comfortable."

Reviewed on Nov 25, 2024

Comfort Inn Near Six Flags St. Louis
Baymont by Wyndham Sullivan
Baymont by Wyndham Sullivan
2.5 out of 5
275 North Service Road West, Sullivan, MO
The price is $84 per night from Dec 5 to Dec 6
$84
includes taxes & fees
Dec 5 - Dec 6
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 ...
7.6/10 Good! (1,000 reviews)
"Good and clean"

Reviewed on Nov 24, 2024

Baymont by Wyndham Sullivan
Comfort Inn Sullivan
Comfort Inn Sullivan
2.5 out of 5
736 S Service Rd W, Sullivan, MO
The price is $101 per night from Dec 15 to Dec 16
$101
includes taxes & fees
Dec 15 - Dec 16
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! (684 reviews)
"Nice staff and comfortable."

Reviewed on Nov 24, 2024

Comfort Inn Sullivan
See all 337 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.