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

There are many flights that can get you from Appleton to St. Louis in 5h 36m. Fly via United Airlines 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 ($273) 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.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What are the most popular airlines that fly from Appleton to St. Louis?

When booking a flight from Appleton to St. Louis, you may want to consider flying on American Airlines, Delta or United Airlines as they are the most popular for this route.

What is the cheapest time of day to fly from ATW to STL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Appleton to St. Louis as you normally would.

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.

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.

$141+ Flights from Appleton to St. Louis

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Cheap 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 December 12, 2025.

Fri 12/269:51 amATW - STL

1 stop3h 45mAmerican Airlines

Tue 12/308:01 pmSTL - ATW

1 stop3h 35mAmerican Airlines

Deal found 12/11

$299

Thu 12/253:24 pmATW - STL

1 stop3h 54mUnited Airlines

Mon 12/293:10 pmSTL - ATW

1 stop3h 54mUnited Airlines

Deal found 12/10

$324

Best flights from Appleton to St. Louis
Discover carefully curated flight deals from Appleton to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Fri 2/135:23 pmATW - STL

1 stop5h 36mUnited Airlines

Mon 2/167:41 amSTL - ATW

1 stop6h 17mUnited Airlines

Deal found 12/10

$249

Thu 1/2911:25 amATW - STL

1 stop6h 49mAmerican Airlines

Sat 1/3111:05 amSTL - ATW

1 stop5h 28mAmerican Airlines

Deal found 12/11

$260

Fri 1/234:01 pmATW - STL

1 stop19h 10mMultiple Airlines

Sun 1/255:42 pmSTL - ATW

1 stop29h 19mMultiple Airlines

Deal found 12/10

$283

Wed 1/146:10 amATW - STL

1 stop4h 33mDelta

Fri 1/166:35 amSTL - ATW

1 stop3h 48mDelta

Deal found 12/10

$351

Sat 1/173:39 pmATW - STL

1 stop5h 34mUnited Airlines

Wed 1/218:05 amSTL - ATW

1 stop6h 04mUnited Airlines

Deal found 12/9

$271

Fri 2/136:31 pmATW - STL

1 stop4h 57mAmerican Airlines

Mon 2/161:36 pmSTL - ATW

2 stops9h 40mAmerican Airlines

Deal found 12/10

$309

Wed 1/76:10 amATW - STL

1 stop4h 33mDelta

Fri 1/93:40 pmSTL - ATW

1 stop5h 49mDelta

Deal found 12/10

$351

Thu 12/253:24 pmATW - STL

1 stop3h 54mUnited Airlines

Mon 12/293:10 pmSTL - ATW

1 stop3h 54mUnited Airlines

Deal found 12/10

$324

Last-minute flights from Appleton to St. Louis
Discover last-minute flight deals from Appleton to St. Louis. Data last updated December 12, 2025 and is based on user searches.

Thu 12/253:24 pmATW - STL

1 stop3h 54mUnited Airlines

Mon 12/293:10 pmSTL - ATW

1 stop3h 54mUnited Airlines

Deal found 12/10

$324

Fri 12/269:51 amATW - STL

1 stop3h 45mAmerican Airlines

Tue 12/308:01 pmSTL - ATW

1 stop3h 35mAmerican Airlines

Deal found 12/11

$299

Wed 1/76:10 amATW - STL

1 stop4h 33mDelta

Fri 1/93:40 pmSTL - ATW

1 stop5h 49mDelta

Deal found 12/10

$351

Wed 1/147:15 amATW - STL

2 stops12h 14mAmerican Airlines

Fri 1/163:37 pmSTL - ATW

1 stop6h 20mAmerican Airlines

Deal found 12/10

$356

Sat 1/173:39 pmATW - STL

1 stop5h 34mUnited Airlines

Wed 1/218:05 amSTL - ATW

1 stop6h 04mUnited Airlines

Deal found 12/9

$271

Fri 1/234:01 pmATW - STL

1 stop19h 10mMultiple Airlines

Sun 1/255:42 pmSTL - ATW

1 stop29h 19mMultiple Airlines

Deal found 12/10

$283

Fri 1/2311:25 amATW - STL

2 stops11h 47mAmerican Airlines

Sun 1/256:00 amSTL - ATW

1 stop4h 55mAmerican Airlines

Deal found 12/10

$309

Thu 1/296:30 amATW - STL

1 stop8h 17mAmerican Airlines

Sat 1/3111:05 amSTL - ATW

1 stop5h 28mAmerican Airlines

Deal found 12/10

$255

One-way flights from Appleton to St. Louis
Search for one-way flight options from Appleton to St. Louis. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Thu 2/512:08 pmATW - STL

1 stop4h 37mDelta

Deal found 12/10

$141

Thu 2/511:25 amATW - STL

2 stops11h 47mAmerican Airlines

Deal found 12/11

$146

Find flight deals from Appleton to St. Louis

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$249 (United Airlines)
One-way from	$141 (Delta)
Popular in	June
Cheapest in	November
Average price	$288

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 ($18 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Appleton to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Fri 2/13

5:23 pm-10:59 pm

1 stop5h 36m

Lambert-St Louis

Mon 2/16

7:41 am-1:58 pm

1 stop6h 17m

$249

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Thu 1/29

11:25 am-6:14 pm

1 stop6h 49m

Lambert-St Louis

Sat 1/31

11:05 am-4:33 pm

1 stop5h 28m

$260

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Sat 1/17

3:39 pm-9:13 pm

1 stop5h 34m

Lambert-St Louis

Wed 1/21

8:05 am-2:09 pm

1 stop6h 04m

$271

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Fri 1/23

4:01 pm-11:11 am

1 stop19h 10m

Lambert-St Louis

Sun 1/25

5:42 pm-11:01 pm

1 stop29h 19m

$283

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Fri 2/13

6:31 pm-11:28 pm

1 stop4h 57m

Lambert-St Louis

Mon 2/16

1:36 pm-11:16 pm

2 stops9h 40m

$309

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Thu 12/25

3:24 pm-7:18 pm

1 stop3h 54m

Lambert-St Louis

Mon 12/29

3:10 pm-7:04 pm

1 stop3h 54m

$324

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Wed 1/14

6:10 am-10:43 am

1 stop4h 33m

Lambert-St Louis

Fri 1/16

6:35 am-10:23 am

1 stop3h 48m

$351

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Wed 1/7

6:10 am-10:43 am

1 stop4h 33m

Lambert-St Louis

Fri 1/9

3:40 pm-9:29 pm

1 stop5h 49m

$351

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Thu 2/5

12:08 pm-4:45 pm

1 stop4h 37m

$141

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Thu 2/5

11:25 am-6:34 pm

2 stops7h 09m

$146

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Appleton to St. Louis

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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 December is currently the most expensive (average of $244). 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.

Reviews of airlines servicing St. Louis

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

8,008 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,008 reviews

Delta

7.9

Good

8,008 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,095 reviews

Delta

7.9

Good

8,008 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,050 reviews

Delta

7.9

Good

8,008 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

How long is the flight from Appleton to St. Louis?
There are many flights that can get you from Appleton to St. Louis in 5h 36m. Fly via United Airlines 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 ($273) 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 December is currently the most expensive (average of $244). 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

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Other flights to St. Louis

Top 3 airlines flying from Appleton to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$213	Average$268	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$228	Average$298	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$273	Average$357	FlexibilityNo cancel fee	On-time69%

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$141+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Appleton to St. Louis with Cheapflights

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Cheap flight deals from Appleton to St. Louis

Cheapest flights from Appleton to St. LouisExplore 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 December 12, 2025.

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 December 12, 2025.

Find flight deals from Appleton to St. Louis

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Appleton to St. Louis that are best for you.

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 December.

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.

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?

Reviews of airlines servicing St. Louis

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.

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?

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

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

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

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

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

Traveling to a place near St. Louis?

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Alternative routes for Appleton to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Appleton to St. Louis

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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 December 12, 2025.