$159+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — STL
Apr 10 — Apr 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Appleton to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Appleton to St. Louis
Cheapest
Best
Last-minute
One-way
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 March 11, 2026.
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 March 11, 2026.
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Thu 5/288:10 pm
ATW
- STL
1 stop4h 09m
United Airlines
Tue 6/169:23 am
STL
- ATW
1 stop4h 42m
United Airlines
Deal found 3/6![United Airlines logo]()
$264
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Fri 5/293:47 pm
ATW
- STL
1 stop5h 29m
United Airlines
Sat 5/306:55 pm
STL
- ATW
1 stop3h 50m
United Airlines
Deal found 3/6![United Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 3/6. 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 4/39:38 am
ATW
- STL
2 stops7h 35m
American Airlines
Fri 4/107:05 am
STL
- ATW
1 stop5h 55m
American Airlines
Deal found 3/6![American Airlines logo]()
$274
This American Airlines deal was found by Cheapflights users on 3/9. 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 5/206:30 pm
ATW
- STL
1 stop5h 26m
American Airlines
Thu 6/46:00 am
STL
- ATW
1 stop4h 28m
American Airlines
Deal found 3/9![American Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 3/7. 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.
Thu 7/98:10 pm
ATW
- STL
1 stop4h 09m
United Airlines
Mon 7/131:13 pm
STL
- ATW
1 stop3h 41m
United Airlines
Deal found 3/7![United Airlines logo]()
$288
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Sat 8/13:47 pm
ATW
- STL
1 stop5h 29m
United Airlines
Tue 8/46:00 am
STL
- ATW
1 stop5h 49m
United Airlines
Deal found 3/10![United Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 3/8. 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.
Fri 9/47:00 am
ATW
- STL
1 stop6h 17m
Delta
Wed 9/96:30 am
STL
- ATW
1 stop4h 41m
Delta
Deal found 3/8![Delta logo]()
$291
This United Airlines deal was found by Cheapflights users on 3/7. 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.
Thu 7/235:30 pm
ATW
- STL
1 stop3h 46m
United Airlines
Sun 7/265:41 pm
STL
- ATW
1 stop5h 04m
United Airlines
Deal found 3/7![United Airlines logo]()
$306
This United Airlines deal was found by Cheapflights users on 3/6. 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 6/210:38 am
ATW
- STL
1 stop5h 08m
United Airlines
Thu 6/48:15 pm
STL
- ATW
1 stop4h 00m
United Airlines
Deal found 3/6![United Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 3/8. 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.
Sun 3/157:00 am
ATW
- STL
1 stop5h 58m
Delta
Tue 3/241:39 pm
STL
- ATW
1 stop3h 51m
Delta
Deal found 3/8![Delta logo]()
$325
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 4/115:35 pm
ATW
- STL
1 stop4h 17m
United Airlines
Wed 4/157:45 am
STL
- ATW
1 stop6h 15m
United Airlines
Deal found 3/8![United Airlines logo]()
$329
Best flights from Appleton to St. LouisDiscover 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 March 11, 2026.
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 March 11, 2026.
This United Airlines deal was found by Cheapflights users on 3/7. 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.
Fri 5/812:33 pm
ATW
- STL
1 stop4h 06m
United Airlines
Mon 5/117:09 pm
STL
- ATW
1 stop3h 56m
United Airlines
Deal found 3/7![United Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 3/6. 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 5/206:00 am
ATW
- STL
2 stops7h 22m
American Airlines
Thu 6/46:00 am
STL
- ATW
1 stop4h 28m
American Airlines
Deal found 3/6![American Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 3/8. 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.
Sat 9/57:00 am
ATW
- STL
1 stop6h 17m
Delta
Sun 9/136:45 am
STL
- ATW
1 stop6h 01m
Delta
Deal found 3/8![Delta logo]()
$291
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Sat 8/13:47 pm
ATW
- STL
1 stop5h 29m
United Airlines
Tue 8/46:00 am
STL
- ATW
1 stop5h 49m
United Airlines
Deal found 3/10![United Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 3/6. 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.
Wed 5/206:25 am
ATW
- STL
1 stop4h 07m
Delta
Thu 6/46:21 am
STL
- ATW
1 stop5h 30m
Delta
Deal found 3/6![Delta logo]()
$291
This Delta deal was found by Cheapflights users on 3/9. 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.
Sat 8/112:06 pm
ATW
- STL
1 stop4h 39m
Delta
Tue 8/410:45 am
STL
- ATW
1 stop5h 52m
Delta
Deal found 3/9![Delta logo]()
$291
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Sat 4/112:54 pm
ATW
- STL
1 stop6h 58m
United Airlines
Wed 4/159:10 am
STL
- ATW
1 stop6h 01m
United Airlines
Deal found 3/6![United Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 3/7. 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.
Wed 7/225:30 pm
ATW
- STL
1 stop3h 46m
United Airlines
Fri 7/249:23 am
STL
- ATW
1 stop4h 42m
United Airlines
Deal found 3/7![United Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 3/8. 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.
Sun 9/612:06 pm
ATW
- STL
1 stop4h 39m
Delta
Tue 9/86:45 am
STL
- ATW
1 stop3h 42m
Delta
Deal found 3/8![Delta logo]()
$343
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Wed 6/176:20 am
ATW
- STL
1 stop5h 51m
United Airlines
Fri 6/195:41 pm
STL
- ATW
1 stop3h 40m
United Airlines
Deal found 3/10![United Airlines logo]()
$337
Last-minute flights from Appleton to St. LouisDiscover last-minute flight deals from Appleton to St. Louis. Data last updated March 11, 2026 and is based on user searches.
Discover last-minute flight deals from Appleton to St. Louis. Data last updated March 11, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/9. 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 3/146:00 am
ATW
- STL
1 stop6h 42m
American Airlines
Sun 3/156:00 am
STL
- ATW
1 stop3h 27m
American Airlines
Deal found 3/9![American Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 3/8. 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.
Sun 3/157:00 am
ATW
- STL
1 stop5h 58m
Delta
Tue 3/241:39 pm
STL
- ATW
1 stop3h 51m
Delta
Deal found 3/8![Delta logo]()
$325
This American Airlines deal was found by Cheapflights users on 3/8. 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 3/176:39 pm
ATW
- STL
1 stop5h 05m
American Airlines
Tue 3/249:21 am
STL
- ATW
1 stop3h 36m
American Airlines
Deal found 3/8![American Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Mon 3/232:39 pm
ATW
- STL
1 stop6h 28m
United Airlines
Fri 3/275:00 am
STL
- ATW
1 stop3h 21m
United Airlines
Deal found 3/8![United Airlines logo]()
$352
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Fri 4/35:35 pm
ATW
- STL
1 stop4h 17m
United Airlines
Fri 4/108:15 pm
STL
- ATW
1 stop3h 43m
United Airlines
Deal found 3/6![United Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 3/6. 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 4/39:38 am
ATW
- STL
2 stops7h 35m
American Airlines
Fri 4/107:05 am
STL
- ATW
1 stop5h 55m
American Airlines
Deal found 3/6![American Airlines logo]()
$274
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 4/115:35 pm
ATW
- STL
1 stop4h 17m
United Airlines
Wed 4/157:45 am
STL
- ATW
1 stop6h 15m
United Airlines
Deal found 3/8![United Airlines logo]()
$329
One-way flights from Appleton to St. LouisSearch for one-way flight options from Appleton to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 11, 2026.
Search for one-way flight options from Appleton to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 11, 2026.
This American Airlines deal was found by Cheapflights users on 3/9. 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 3/136:51 pm
ATW
- STL
1 stop4h 44m
American Airlines
Deal found 3/9![American Airlines logo]()
$219
This American Airlines deal was found by Cheapflights users on 3/10. 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 3/141:25 pm
ATW
- STL
2 stops9h 33m
American Airlines
Deal found 3/10![American Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/147:03 pm
ATW
- STL
3 stops38h 46m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$553
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/135:55 pm
ATW
- STL
3 stops42h 35m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$608
Find 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 March 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $264 (United Airlines) |
One-way from | $219 (American Airlines) |
Popular in | June |
Cheapest in | July |
Average price | $298 |
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 March 11, 2026.
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
Cheapest round-trip
Quickest round-trip
AppletonSt. Louis
ATW - STL
ATWSTL
Appleton Intl
Fri 5/8
12:33 pm-4:39 pm
1 stop4h 06m
Lambert-St Louis
Mon 5/11
7:09 pm-11:05 pm
1 stop3h 56m
$269
AppletonSt. Louis
ATW - STL
ATWSTL
Appleton Intl
Wed 5/20
6:00 am-1:22 pm
2 stops7h 22m
Lambert-St Louis
Thu 6/4
6:00 am-10:28 am
1 stop4h 28m
$284
AppletonSt. Louis
ATW - STL
ATWSTL
Appleton Intl
Sat 8/1
3:47 pm-9:16 pm
1 stop5h 29m
Lambert-St Louis
Tue 8/4
6:00 am-11:49 am
1 stop5h 49m
$289
AppletonSt. Louis
ATW - STL
ATWSTL
Appleton Intl
Sat 9/5
7:00 am-1:17 pm
1 stop6h 17m
Lambert-St Louis
Sun 9/13
6:45 am-12:46 pm
1 stop6h 01m
$291
AppletonSt. Louis
ATW - STL
ATWSTL
Appleton Intl
Wed 5/20
6:25 am-10:32 am
1 stop4h 07m
Lambert-St Louis
Thu 6/4
6:21 am-11:51 am
1 stop5h 30m
$291
AppletonSt. Louis
ATW - STL
ATWSTL
Appleton Intl
Sat 8/1
12:06 pm-4:45 pm
1 stop4h 39m
Lambert-St Louis
Tue 8/4
10:45 am-4:37 pm
1 stop5h 52m
$291
AppletonSt. Louis
ATW - STL
ATWSTL
Appleton Intl
Sat 4/11
2:54 pm-9:52 pm
1 stop6h 58m
Lambert-St Louis
Wed 4/15
9:10 am-3:11 pm
1 stop6h 01m
$329
AppletonSt. Louis
ATW - STL
ATWSTL
Appleton Intl
Wed 7/22
5:30 pm-9:16 pm
1 stop3h 46m
Lambert-St Louis
Fri 7/24
9:23 am-2:05 pm
1 stop4h 42m
$330
AppletonSt. Louis
ATW - STL
ATWSTL
Appleton Intl
Wed 6/17
6:20 am-12:11 pm
1 stop5h 51m
Lambert-St Louis
Fri 6/19
5:41 pm-9:21 pm
1 stop3h 40m
$337
AppletonSt. Louis
ATW - STL
ATWSTL
Appleton Intl
Sun 9/6
12:06 pm-4:45 pm
1 stop4h 39m
Lambert-St Louis
Tue 9/8
6:45 am-10:27 am
1 stop3h 42m
$343
Showing 1-10 of 12 resultsSorted by cheapest first
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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Appleton-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Appleton-St. Louis flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
ATW-STL
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
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 March 11, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican 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.
Boarding
8.1
Overall
7.9
Entertainment
7.8
Food
7.2
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Overall
7.9
Entertainment
7.8
Food
7.2
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Overall
7.9
Entertainment
7.8
Food
7.2
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Overall
7.9
Entertainment
7.8
Food
7.2
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Appleton
Popular flights
St. Louis flight routes
Alternative routes for Appleton to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Appleton to St. Louis by cabin class
Find flights from Appleton to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Appleton and St. Louis flights
Browse other Appleton and St. Louis flight options. Last updated on March 11, 2026.
Other flights from Appleton
Browse through other flights departing from Appleton. Flights are based on user searches made on Cheapflights and were last updated on March 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 11, 2026.
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 March 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$212 | Average$268 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$213 | Average$288 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$248 | Average$337 | FlexibilityNo cancel fee | On-time69% |