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Arnold

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Arnold Flights as Low as $72

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

Frontier Airlines
Wed, Apr 1 - Sat, Apr 25
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$72 Roundtrip, just found
$72
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Apr 1 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Apr 25, priced at $72 just found
Frontier Airlines
Sat, Apr 18 - Sat, May 2
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$88 Roundtrip, just found
$88
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Apr 18 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, May 2, priced at $88 just found
Frontier Airlines
Wed, Apr 29 - Sat, May 9
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$91 Roundtrip, found 1 day ago
$91
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Apr 29 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, May 9, priced at $91 found 1 day ago
Frontier Airlines
Sat, Apr 4 - Sat, Apr 25
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$91 Roundtrip, found 1 day ago
$91
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Apr 4 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Apr 25, priced at $91 found 1 day ago
Frontier Airlines
Sat, May 2 - Mon, May 11
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$92 Roundtrip, found 10 hours ago
$92
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Sat, May 2 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, May 11, priced at $92 found 10 hours ago
Delta
Wed, Apr 29 - Tue, May 5
MSP
Minneapolis - St. Paul Intl.
STL
Lambert-St. Louis Intl.
$117 Roundtrip, just found
$117
Roundtrip
just found
Select Delta flight, departing Wed, Apr 29 from Minneapolis - St. Paul Intl. to Lambert-St. Louis Intl., returning Tue, May 5, priced at $117 just found
Frontier Airlines
Mon, Apr 20 - Mon, May 4
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$159 Roundtrip, found 1 day ago
$159
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Apr 20 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Mon, May 4, priced at $159 found 1 day ago
American Airlines
Wed, Apr 29 - Tue, May 5
MSP
Minneapolis - St. Paul Intl.
STL
Lambert-St. Louis Intl.
$179 Roundtrip, just found
$179
Roundtrip
just found
Select American Airlines flight, departing Wed, Apr 29 from Minneapolis - St. Paul Intl. to Lambert-St. Louis Intl., returning Tue, May 5, priced at $179 just found
Frontier Airlines
Mon, Apr 13 - Thu, Apr 30
IAD
Washington Dulles Intl.
STL
Lambert-St. Louis Intl.
$180 Roundtrip, just found
$180
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Apr 13 from Washington Dulles Intl. to Lambert-St. Louis Intl., returning Thu, Apr 30, priced at $180 just found
Frontier Airlines
Mon, Apr 13 - Wed, Apr 29
BWI
Baltimore Washington Intl. Thurgood Marshall
STL
Lambert-St. Louis Intl.
$180 Roundtrip, just found
$180
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Apr 13 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Wed, Apr 29, priced at $180 just found
Frontier Airlines
Thu, May 7 - Mon, May 25
LGA
LaGuardia
STL
Lambert-St. Louis Intl.
$205 Roundtrip, found 5 days ago
$205
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Thu, May 7 from LaGuardia to Lambert-St. Louis Intl., returning Mon, May 25, priced at $205 found 5 days ago
Frontier Airlines
Thu, Apr 9 - Mon, Apr 27
SFO
San Francisco Intl.
STL
Lambert-St. Louis Intl.
$210 Roundtrip, just found
$210
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Apr 9 from San Francisco Intl. to Lambert-St. Louis Intl., returning Mon, Apr 27, priced at $210 just found
United
Wed, Apr 29 - Sat, May 2
MSP
Minneapolis - St. Paul Intl.
STL
Lambert-St. Louis Intl.
$212 Roundtrip, found 1 day ago
$212
Roundtrip
found 1 day ago
Select United flight, departing Wed, Apr 29 from Minneapolis - St. Paul Intl. to Lambert-St. Louis Intl., returning Sat, May 2, priced at $212 found 1 day ago
Bargain Flight
Wed, Apr 1 - Thu, Apr 2
DCA
Ronald Reagan Washington National
STL
Lambert-St. Louis Intl.
$223 Roundtrip, found 20 hours ago
$223
Roundtrip
found 20 hours ago
Select Bargain Flight flight, departing Wed, Apr 1 from Ronald Reagan Washington National to Lambert-St. Louis Intl., returning Thu, Apr 2, priced at $223 found 20 hours ago
Delta
Mon, Apr 27 - Mon, May 11
DAL
Love Field
STL
Lambert-St. Louis Intl.
$291 Roundtrip, just found
$291
Roundtrip
just found
Select Delta flight, departing Mon, Apr 27 from Love Field to Lambert-St. Louis Intl., returning Mon, May 11, priced at $291 just found
Alaska Airlines
Tue, Apr 7 - Tue, Apr 21
SFO
San Francisco Intl.
STL
Lambert-St. Louis Intl.
$320 Roundtrip, just found
$320
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Apr 7 from San Francisco Intl. to Lambert-St. Louis Intl., returning Tue, Apr 21, priced at $320 just found

Cheap Flights to Arnold

Fall in love at first flight with your vacation to Arnold 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 Arnold on Hotwire, and you’ll be up, up, and on a getaway in no time.

Because once the wheels are down in Arnold, the good times start rolling. So buckle up, you’re in for a fun ride.

Frequently Asked Questions About flights to Arnold

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Arnold 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 Arnold?

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 Arnold are in April, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Arnold?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 15 to choose from for your flight to Arnold.

What airport is best to fly into Arnold?

When you’re planning your trip to Arnold, convenience is the name of the game. Luckily, Arnold Lambert-St. Louis Intl. Airport is nearby so you can deplane and get going on checking off everything on your Arnold must-do list.

How much are flights to Arnold?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Arnold on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $72, 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 Arnold?

The trick to saving a stack of cash on your flight to Arnold? 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 $72 right now, why wait?

Arnold Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$72

Last Minute Hotel Deals in Arnold

Pear Tree Inn St. Louis Arnold

Pear Tree Inn St. Louis Arnold

2.5 out of 5
1201 Drury Ln Arnold MO
Book a stay at this business-friendly hotel in Arnold. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
9.4/10 Exceptional! (1,011 reviews)
Parking was comfortable and safe to park. We always stay at this site because of the cleanliness and very comfortable beds! Breakfast is wonderful!

Reviewed on Mar 9, 2026

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Pear Tree Inn St. Louis Arnold
Clayton Plaza Hotel & Extended Stay

Clayton Plaza Hotel & Extended Stay

3.5 out of 5
7750 Carondelet Avenue St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and a 24-hour fitness center. Our guests praise the breakfast and ...
8.8/10 Excellent! (3,103 reviews)
This is an older property, but very clean, comfortable, spacious and convenient to downtown Clayton. Parking was convenient and free on the weekend. Breakfast was better than average, with chef-made omelets and waffles.

Reviewed on Mar 11, 2026

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Clayton Plaza Hotel & Extended Stay
Drury Plaza Hotel St. Louis at the Arch

Drury Plaza Hotel St. Louis at the Arch

3 out of 5
2 South 4th Street St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and 2 hot tubs. Our guests praise the breakfast and the pool in our ...
9.4/10 Exceptional! (3,362 reviews)
Very nice staff and great atmosphere. Quietest hotel room i have ever stayed in

Reviewed on Mar 10, 2026

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Drury Plaza Hotel St. Louis at the Arch
21C Museum Hotel St Louis

21C Museum Hotel St Louis

4.5 out of 5
1528 Locust street St. Louis MO
Book a stay at this luxury hotel in St. Louis. Enjoy free WiFi, breakfast (surcharge), and room service. Our guests praise the pool and the restaurant in our ...
9/10 Wonderful! (1,648 reviews)
Such a cool hotel I love the museum on the second floor so interesting and all the penguins food is great restaurants great everything just what a great stay very unique but very quiet very cozy love everything about it. Can’t wait to stay at the other ones.

Reviewed on Mar 11, 2026

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21C Museum Hotel St Louis
Hyatt Regency St. Louis at The Arch

Hyatt Regency St. Louis at The Arch

4 out of 5
315 Chestnut St St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, 3 restaurants, and 2 bars/lounges. Our guests praise the helpful staff and the clean ...
8.4/10 Very Good! (3,989 reviews)
Very clean, bar staff was great, amazing restaurants-will be back!

Reviewed on Mar 11, 2026

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Hyatt Regency St. Louis at The Arch
River City Casino & Hotel

River City Casino & Hotel

4 out of 5
777 River City Casino Blvd St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free parking, 5 restaurants, and a casino. Our guests praise the helpful staff and the clean ...
9/10 Wonderful! (1,500 reviews)
Very nice room, good food at the sportsbook bar, cool atmosphere

Reviewed on Mar 10, 2026

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River City Casino & Hotel
Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham

Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham

3 out of 5
1088 South Highway Drive Fenton MO
Book a stay at this business-friendly hotel in Fenton. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
8/10 Very Good! (1,127 reviews)
Wyndham rewards member was escorted off this property BY POLICE for reasons still unknown to me. They had a full turn out in the pool/sauna area, but ran out of towels at some point. They give 2 body towels for the rooms, no separate towels for the pool. A SOLD OUT HOTEL ran out of towels and no ...

Reviewed on Mar 11, 2026

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Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham
Drury Inn & Suites St. Louis Union Station

Drury Inn & Suites St. Louis Union Station

3 out of 5
201 S 20th St St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and a fitness center. Our guests praise the breakfast and the helpful ...
9.4/10 Exceptional! (1,349 reviews)
Everything was good even their happy hour

Reviewed on Mar 10, 2026

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Drury Inn & Suites St. Louis Union Station
See all 1,634 properties in Arnold
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.