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Alton

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Alton Flights as Low as $65

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

Frontier Airlines
Wed, Apr 1 - Wed, Apr 8
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$65 Roundtrip, found 2 hours ago
$65
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Wed, Apr 1 from Denver Intl. to Lambert-St. Louis Intl., returning Wed, Apr 8, priced at $65 found 2 hours ago
Frontier Airlines
Wed, Apr 22 - Wed, Apr 22
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$66 Roundtrip, found 4 hours ago
$66
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Wed, Apr 22 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Apr 22, priced at $66 found 4 hours ago
Frontier Airlines
Wed, Apr 1 - Sat, Apr 18
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$68 Roundtrip, found 4 hours ago
$68
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Wed, Apr 1 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Apr 18, priced at $68 found 4 hours ago
Frontier Airlines
Wed, Apr 29 - Sat, May 9
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$79 Roundtrip, found 4 hours ago
$79
Roundtrip
found 4 hours 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 $79 found 4 hours ago
Frontier Airlines
Sat, Apr 4 - Sat, Apr 25
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$80 Roundtrip, found 4 hours ago
$80
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Sat, Apr 4 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Apr 25, priced at $80 found 4 hours ago
Frontier Airlines
Sat, Apr 18 - Mon, Apr 27
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$92 Roundtrip, found 7 hours ago
$92
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Sat, Apr 18 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Apr 27, priced at $92 found 7 hours ago
Delta
Wed, Apr 29 - Tue, May 5
MSP
Minneapolis - St. Paul Intl.
STL
Lambert-St. Louis Intl.
$117 Roundtrip, found 1 hour ago
$117
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Apr 29 from Minneapolis - St. Paul Intl. to Lambert-St. Louis Intl., returning Tue, May 5, priced at $117 found 1 hour ago
American Airlines
Wed, Apr 29 - Tue, May 5
MSP
Minneapolis - St. Paul Intl.
STL
Lambert-St. Louis Intl.
$159 Roundtrip, found 1 hour ago
$159
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Apr 29 from Minneapolis - St. Paul Intl. to Lambert-St. Louis Intl., returning Tue, May 5, priced at $159 found 1 hour ago
Frontier Airlines
Mon, Apr 20 - Mon, May 4
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$159 Roundtrip, found 2 hours ago
$159
Roundtrip
found 2 hours 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 2 hours ago
Frontier Airlines
Fri, Apr 10 - Mon, Apr 13
CLT
Charlotte-Douglas Intl.
STL
Lambert-St. Louis Intl.
$182 Roundtrip, found 4 hours ago
$182
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Fri, Apr 10 from Charlotte-Douglas Intl. to Lambert-St. Louis Intl., returning Mon, Apr 13, priced at $182 found 4 hours ago
Frontier Airlines
Fri, Apr 24 - Thu, May 7
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$202 Roundtrip, found 4 days ago
$202
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Fri, Apr 24 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Thu, May 7, priced at $202 found 4 days ago
Frontier Airlines
Thu, Apr 9 - Mon, Apr 27
SFO
San Francisco Intl.
STL
Lambert-St. Louis Intl.
$210 Roundtrip, found 1 hour ago
$210
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Apr 9 from San Francisco Intl. to Lambert-St. Louis Intl., returning Mon, Apr 27, priced at $210 found 1 hour ago
Frontier Airlines
Tue, Apr 28 - Sat, May 9
LGA
LaGuardia
STL
Lambert-St. Louis Intl.
$211 Roundtrip, found 4 days ago
$211
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Tue, Apr 28 from LaGuardia to Lambert-St. Louis Intl., returning Sat, May 9, priced at $211 found 4 days ago
Bargain Flight
Tue, Apr 7 - Sat, Apr 18
DCA
Ronald Reagan Washington National
STL
Lambert-St. Louis Intl.
$223 Roundtrip, found 2 hours ago
$223
Roundtrip
found 2 hours ago
Select Bargain Flight flight, departing Tue, Apr 7 from Ronald Reagan Washington National to Lambert-St. Louis Intl., returning Sat, Apr 18, priced at $223 found 2 hours ago
Delta
Sat, Apr 25 - Tue, May 12
DAL
Love Field
STL
Lambert-St. Louis Intl.
$294 Roundtrip, found 1 day ago
$294
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Apr 25 from Love Field to Lambert-St. Louis Intl., returning Tue, May 12, priced at $294 found 1 day ago
Alaska Airlines
Tue, Apr 7 - Tue, Apr 21
SFO
San Francisco Intl.
STL
Lambert-St. Louis Intl.
$328 Roundtrip, just found
$328
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 $328 just found

Cheap Flights to Alton

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

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

Frequently Asked Questions About flights to Alton

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

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

How many airlines fly to Alton?

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 Alton.

What airport is best to fly into Alton?

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

How much are flights to Alton?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Alton on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $65, 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 Alton?

The trick to saving a stack of cash on your flight to Alton? 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 $65 right now, why wait?

Alton Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$65

Last Minute Hotel Deals in Alton

Pear Tree Inn St. Louis Near Union Station

Pear Tree Inn St. Louis Near Union Station

3 out of 5
2211 Market Street St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the restaurant ...
8.8/10 Excellent! (1,862 reviews)
Everyone and everything was amazing!! Definitely would recommend and stay again.

Reviewed on Mar 11, 2026

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Pear Tree Inn St. Louis Near Union Station
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! (3,345 reviews)
Very comfortable

Reviewed on Mar 12, 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
Hollywood Casino & Hotel St. Louis

Hollywood Casino & Hotel St. Louis

3.5 out of 5
777 Casino Center Drive Maryland Heights MO
Book a stay at this business-friendly hotel in Maryland Heights. Enjoy free parking, 7 restaurants, and a casino. Our guests praise the helpful staff and the ...
8.4/10 Very Good! (2,219 reviews)
Only complaint is that we’re in 2026 and the tvs don’t come with Netflix

Reviewed on Mar 10, 2026

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Hollywood Casino & Hotel St. Louis
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! (1,342 reviews)
Rooms were clean, kick back and breakfast were both delicious, easy to maneuver around the property. There is renovation happening currently which limited some elevator access in the morning but there were other elevators in another part of the hotel so we didn't have to climb stairs or ...

Reviewed on Mar 11, 2026

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Drury Inn & Suites St. Louis Union Station
Live by Loews - St.Louis

Live by Loews - St.Louis

4 out of 5
799 Clark ave St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, a rooftop terrace, and breakfast (surcharge). Our guests praise the bar and the helpful ...
9.4/10 Exceptional! (1,121 reviews)
Check in was smooth and location was great. Rooms were clean and well taken cared of.

Reviewed on Mar 11, 2026

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Live by Loews - St.Louis
See all 1,426 properties in Alton
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.