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Alton

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Alton Flights as Low as $78

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

Frontier Airlines
Wed, May 20 - Mon, Jun 1
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$78 Roundtrip, found 2 hours ago
$78
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Wed, May 20 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Jun 1, priced at $78 found 2 hours ago
Frontier Airlines
Sat, May 23 - Mon, Jun 1
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$100 Roundtrip, found 9 hours ago
$100
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Sat, May 23 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Jun 1, priced at $100 found 9 hours ago
Frontier Airlines
Sat, May 23 - Wed, Jun 3
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$100 Roundtrip, found 9 hours ago
$100
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Sat, May 23 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Jun 3, priced at $100 found 9 hours ago
Frontier Airlines
Sat, Apr 25 - Sat, May 9
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$110 Roundtrip, found 2 hours ago
$110
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Apr 25 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, May 9, priced at $110 found 2 hours ago
Frontier Airlines
Mon, Apr 13 - Wed, Apr 29
BWI
Baltimore Washington Intl. Thurgood Marshall
STL
Lambert-St. Louis Intl.
$140 Roundtrip, found 2 hours ago
$140
Roundtrip
found 2 hours ago
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 $140 found 2 hours ago
Frontier Airlines
Tue, May 5 - Fri, May 8
TPA
Tampa Intl.
STL
Lambert-St. Louis Intl.
$144 Roundtrip, found 2 hours ago
$144
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Tue, May 5 from Tampa Intl. to Lambert-St. Louis Intl., returning Fri, May 8, priced at $144 found 2 hours ago
Frontier Airlines
Sun, Apr 12 - Fri, Apr 24
TTN
Mercer
STL
Lambert-St. Louis Intl.
$144 Roundtrip, found 1 hour ago
$144
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sun, Apr 12 from Mercer to Lambert-St. Louis Intl., returning Fri, Apr 24, priced at $144 found 1 hour ago
Frontier Airlines
Thu, Apr 16 - Wed, May 6
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$155 Roundtrip, found 9 hours ago
$155
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Thu, Apr 16 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Wed, May 6, priced at $155 found 9 hours ago
Frontier Airlines
Tue, Apr 7 - Mon, Apr 13
PHL
Philadelphia Intl.
STL
Lambert-St. Louis Intl.
$163 Roundtrip, found 2 hours ago
$163
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Tue, Apr 7 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Mon, Apr 13, priced at $163 found 2 hours ago
Frontier Airlines
Fri, Apr 17 - Mon, May 4
SMF
Sacramento Intl.
STL
Lambert-St. Louis Intl.
$224 Roundtrip, found 9 hours ago
$224
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Fri, Apr 17 from Sacramento Intl. to Lambert-St. Louis Intl., returning Mon, May 4, priced at $224 found 9 hours ago
Delta
Sat, Apr 25 - Sat, May 9
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$246 Roundtrip, found 2 hours ago
$246
Roundtrip
found 2 hours ago
Select Delta flight, departing Sat, Apr 25 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, May 9, priced at $246 found 2 hours ago
American Airlines
Sat, Apr 25 - Sat, May 9
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$246 Roundtrip, found 2 hours ago
$246
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Apr 25 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, May 9, priced at $246 found 2 hours ago
United
Sat, Apr 25 - Sat, May 9
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$247 Roundtrip, found 2 hours ago
$247
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Apr 25 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, May 9, priced at $247 found 2 hours ago
Delta
Tue, Apr 28 - Tue, May 12
DAL
Love Field
STL
Lambert-St. Louis Intl.
$285 Roundtrip, found 2 hours ago
$285
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Apr 28 from Love Field to Lambert-St. Louis Intl., returning Tue, May 12, priced at $285 found 2 hours ago
Delta
Wed, Apr 22 - Tue, Apr 28
HSV
Huntsville Intl.
STL
Lambert-St. Louis Intl.
$322 Roundtrip, found 2 hours ago
$322
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Apr 22 from Huntsville Intl. to Lambert-St. Louis Intl., returning Tue, Apr 28, priced at $322 found 2 hours ago
Alaska Airlines
Thu, Apr 30 - Tue, May 19
SMF
Sacramento Intl.
STL
Lambert-St. Louis Intl.
$437 Roundtrip, found 2 hours ago
$437
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Thu, Apr 30 from Sacramento Intl. to Lambert-St. Louis Intl., returning Tue, May 19, priced at $437 found 2 hours ago

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 May, 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 16 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 $78, 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 $78 right now, why wait?

Alton Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$78

Last Minute Hotel Deals in Alton

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! (3,354 reviews)
Great location and breakfast

Reviewed on Mar 21, 2026

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Drury Plaza Hotel St. Louis at the Arch
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! (1,877 reviews)
Good breakfast

Reviewed on Mar 21, 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! (3,124 reviews)
Staff was very nice and responsive but property is extremely run down, old and in need of renovation. No pool on-site, no nearby restaurants and too far from downtown St. Louis

Reviewed on Mar 22, 2026

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Clayton Plaza Hotel & Extended Stay
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! (1,680 reviews)
Traveled with a toddler and met our needs. Had a king room and liked it had a big storage closet so our stuff wasn’t all over the room. Only complaints was the fridge was small and there wasn’t an ice machine. I was able to go down to the desk and they got some from the restaurant but I needed more ...

Reviewed on Mar 21, 2026

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21C Museum Hotel St Louis
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! (2,201 reviews)
Great hotel for the hockey tournament... very nice staff... great location. The air quality was poor nearing the casino and awful inside... otherwise a great stay

Reviewed on Mar 21, 2026

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Hollywood Casino & 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! (3,983 reviews)
Clean room.

Reviewed on Mar 21, 2026

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Hyatt Regency St. Louis at The Arch
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! (1,348 reviews)
Wonderful, friendly staff, newly renovated room, great perks. Across the street from Union Station. Exceeded our expectations!

Reviewed on Mar 20, 2026

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Drury Inn & Suites St. Louis Union Station
Renaissance St. Louis Airport Hotel

Renaissance St. Louis Airport Hotel

4 out of 5
9801 Natural Bridge Road St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy an outdoor pool, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful ...
8.4/10 Very Good! (1,068 reviews)
Convenient, clean, easy stay

Reviewed on Mar 22, 2026

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Renaissance St. Louis Airport Hotel
See all 1,435 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.