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$126+ Cheap flights from Appleton to St. Louis (ATW - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — STL
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find flight deals from Appleton to St. Louis

Cheapest flights from Appleton to St. Louis
Explore the most affordable flight options available from Appleton to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:24 amATW - STL
1 stop5h 35mDelta
Wed 12/32:38 pmSTL - ATW
1 stop6h 13mDelta
Deal found 10/26$229
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:00 amATW - STL
2 stops10h 27mAmerican Airlines
Wed 12/35:05 amSTL - ATW
1 stop4h 03mAmerican Airlines
Deal found 10/26$234
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/223:43 pmATW - STL
2 stops8h 22mAmerican Airlines
Sun 1/48:01 pmSTL - ATW
1 stop3h 35mAmerican Airlines
Deal found 10/26$293
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:46 amATW - STL
2 stops9h 43mAmerican Airlines
Sun 1/48:01 pmSTL - ATW
1 stop5h 08mAmerican Airlines
Deal found 10/26$323
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:58 amATW - STL
1 stop6h 19mAmerican Airlines
Sun 11/97:58 pmSTL - ATW
1 stop3h 35mAmerican Airlines
Deal found 10/28$329
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:43 amATW - STL
1 stop10h 40mAmerican Airlines
Thu 1/18:01 pmSTL - ATW
1 stop13h 20mAmerican Airlines
Deal found 10/26$336
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:58 amATW - STL
1 stop6h 16mAmerican Airlines
Sun 11/166:00 amSTL - ATW
1 stop3h 16mAmerican Airlines
Deal found 10/28$379
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:00 amATW - STL
1 stop6h 01mDelta
Wed 12/316:05 amSTL - ATW
1 stop5h 27mDelta
Deal found 10/26$381
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:10 amATW - STL
1 stop6h 16mUnited Airlines
Fri 1/28:05 amSTL - ATW
1 stop4h 10mUnited Airlines
Deal found 10/26$388
This American Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:25 amATW - STL
1 stop25h 10mAmerican Airlines
Sun 12/288:01 pmSTL - ATW
1 stop13h 20mAmerican Airlines
Deal found 10/27$397

Cheap flight deals from Appleton to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Appleton (ATW) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$229
(Delta)

One-way from

$126
(American Airlines)

Popular in

June

Cheapest in

August

Average price

$280
Provider with most accurate pricing for Appleton Intl-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Appleton Intl-Lambert-St Louis flights.
Search Deals
From Appleton Intl to Lambert-St Louis
Search Deals
One-way flight from Appleton Intl to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Appleton to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
Use the filters below to find and compare flights from Appleton to St. Louis that are best for you.

Fly from

Appleton

Fly to

St. Louis

Route

Depart

Return

Price

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Sun 11/23

11:08 am-5:09 pm

1 stop6h 01m

Lambert-St Louis

Sun 1/4

6:05 am-11:32 am

1 stop5h 27m

$229

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Tue 11/18

6:24 am-11:59 am

1 stop5h 35m

Lambert-St Louis

Wed 12/3

2:38 pm-8:51 pm

1 stop6h 13m

$229

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Fri 11/21

11:08 am-5:09 pm

1 stop6h 01m

Lambert-St Louis

Sun 1/4

6:05 am-11:32 am

1 stop5h 27m

$229

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Sat 11/22

7:00 am-1:51 pm

1 stop6h 51m

Lambert-St Louis

Sun 1/4

6:05 am-11:32 am

1 stop5h 27m

$229

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Tue 11/18

6:00 am-1:14 pm

2 stops7h 14m

Lambert-St Louis

Wed 12/3

6:52 am-3:34 pm

2 stops8h 42m

$239

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Mon 1/26

5:23 pm-10:58 pm

1 stop5h 35m

Lambert-St Louis

Mon 2/2

11:20 am-3:04 pm

1 stop3h 44m

$254

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Mon 1/26

7:15 am-3:04 pm

2 stops7h 49m

Lambert-St Louis

Mon 2/2

6:00 am-10:54 am

1 stop4h 54m

$259

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Wed 2/18

5:23 pm-9:00 pm

1 stop3h 37m

Lambert-St Louis

Sat 2/21

7:41 am-1:58 pm

1 stop6h 17m

$289

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Sat 11/22

3:43 pm-12:05 am

2 stops8h 22m

Lambert-St Louis

Sun 1/4

8:01 pm-11:36 pm

1 stop3h 35m

$293

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Fri 11/21

9:46 am-7:29 pm

2 stops9h 43m

Lambert-St Louis

Sun 1/4

8:01 pm-1:09 am

1 stop5h 08m

$323

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 17 results
1
2

Compare providers for flights from Appleton to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Appleton to St. Louis in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Appleton-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Appleton-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Appleton-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Appleton-St. Louis flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Appleton-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Appleton to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Appleton with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Appleton to St. Louis

What is the cheapest month to book a flight from Appleton to St. Louis?

Currently, April is the cheapest month in which you can book a flight from Appleton to St. Louis (average of $156). Flying from Appleton to St. Louis in May is currently the most expensive (average of $238). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Appleton to St. Louis?

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated October 28, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Appleton to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Appleton to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Appleton to St. Louis?

    There are many flights that can get you from Appleton to St. Louis in 6h 01m. Fly via Delta or American Airlines to get the fastest option. There are 392 mi between Appleton and St. Louis. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Appleton to St. Louis round-trip?

    According to our current data, Delta ($213), American Airlines ($228), and United Airlines ($247) offers the cheapest pricing from Appleton to St. Louis. Users have found that Delta is 30% cheaper than the other options available to this destination.

  • Can I find deals for flights from Appleton to St. Louis that include hotel bookings?

    Yes. In addition to deals on Appleton to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Appleton to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Appleton to St. Louis.

  • Can I find deals for business class flights from Appleton to St. Louis?

    Yes. Cheapflights offers flight deals from Appleton to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Appleton to St. Louis?

    Currently, April is the cheapest month in which you can book a flight from Appleton to St. Louis (average of $156). Flying from Appleton to St. Louis in May is currently the most expensive (average of $238). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Top 3 airlines flying from Appleton to St. Louis

Discover the top 3 airlines that operate flights from Appleton to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$213Average$272FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$298FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$247Average$347FlexibilityNo cancel feeOn-time69%

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