$151+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — STL
Aug 25 — Sep 11
Round-trip
1 adult, Economy
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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
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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 July 26, 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 July 26, 2026.
This American Airlines deal was found by Cheapflights users on 7/21. 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 11/116:14 pm
ATW
- STL
1 stop5h 45m
American Airlines
Sun 11/1511:32 am
STL
- ATW
1 stop6h 11m
American Airlines
Deal found 7/21![American Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 7/25. 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 9/85:48 pm
ATW
- STL
1 stop6h 26m
American Airlines
Tue 9/155:00 am
STL
- ATW
1 stop6h 06m
American Airlines
Deal found 7/25![American Airlines logo]()
$298
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/145:00 pm
ATW
- STL
1 stop5h 01m
United Airlines
Mon 8/178:00 am
STL
- ATW
1 stop6h 02m
United Airlines
Deal found 7/21![United Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 7/25. 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 8/135:48 pm
ATW
- STL
1 stop6h 26m
American Airlines
Sat 8/158:06 pm
STL
- ATW
1 stop4h 04m
American Airlines
Deal found 7/25![American Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 10/165:29 pm
ATW
- STL
1 stop25h 46m
Multiple Airlines
Sat 10/2410:35 am
STL
- ATW
2 stops47h 06m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$315
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/135:00 pm
ATW
- STL
1 stop5h 00m
United Airlines
Sat 8/156:00 am
STL
- ATW
1 stop5h 53m
United Airlines
Deal found 7/22![United Airlines logo]()
$323
This United Airlines deal was found by Cheapflights users on 7/23. 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 10/318:00 am
ATW
- STL
1 stop6h 30m
United Airlines
Thu 11/57:33 am
STL
- ATW
1 stop4h 05m
United Airlines
Deal found 7/23![United Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/86:20 am
ATW
- STL
1 stop5h 51m
United Airlines
Wed 8/1212:59 pm
STL
- ATW
1 stop3h 58m
United Airlines
Deal found 7/23![United Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Sun 8/25:00 am
ATW
- STL
1 stop3h 37m
American Airlines
Sat 8/85:00 am
STL
- ATW
1 stop5h 58m
American Airlines
Deal found 7/21![American Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 7/21. 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 10/86:25 am
ATW
- STL
1 stop5h 48m
United Airlines
Sun 10/118:00 am
STL
- ATW
1 stop3h 43m
United Airlines
Deal found 7/21![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 7/23. 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.
Thu 8/134:10 pm
ATW
- STL
1 stop7h 16m
Delta
Tue 8/186:30 am
STL
- ATW
1 stop6h 56m
Delta
Deal found 7/23![Delta logo]()
$362
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 July 26, 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 July 26, 2026.
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/137:30 am
ATW
- STL
1 stop4h 32m
United Airlines
Sun 8/168:00 am
STL
- ATW
1 stop3h 53m
United Airlines
Deal found 7/21![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 7/23. 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 8/1511:09 am
ATW
- STL
1 stop6h 05m
Delta
Mon 8/172:10 pm
STL
- ATW
1 stop3h 46m
Delta
Deal found 7/23![Delta logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 10/165:29 pm
ATW
- STL
1 stop25h 46m
Multiple Airlines
Sat 10/2410:35 am
STL
- ATW
2 stops47h 06m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$315
This American Airlines deal was found by Cheapflights users on 7/22. 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 8/135:48 pm
ATW
- STL
1 stop6h 26m
American Airlines
Sat 8/155:00 am
STL
- ATW
1 stop5h 58m
American Airlines
Deal found 7/22![American Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/145:00 pm
ATW
- STL
1 stop5h 01m
United Airlines
Mon 8/178:00 am
STL
- ATW
1 stop6h 02m
United Airlines
Deal found 7/21![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 7/23. 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 8/142:06 pm
ATW
- STL
1 stop6h 36m
Delta
Mon 8/176:20 am
STL
- ATW
1 stop4h 00m
Delta
Deal found 7/23![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 7/24. 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 10/162:36 pm
ATW
- STL
1 stop6h 45m
United Airlines
Sat 10/245:36 pm
STL
- ATW
1 stop5h 22m
United Airlines
Deal found 7/24![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 7/23. 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 8/1511:09 am
ATW
- STL
1 stop6h 05m
Delta
Sun 8/168:48 am
STL
- ATW
1 stop6h 42m
Delta
Deal found 7/23![Delta logo]()
$299
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Sun 8/25:00 am
ATW
- STL
1 stop3h 37m
American Airlines
Sat 8/85:00 am
STL
- ATW
1 stop5h 58m
American Airlines
Deal found 7/21![American Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/135:00 pm
ATW
- STL
1 stop5h 00m
United Airlines
Sat 8/156:00 am
STL
- ATW
1 stop5h 53m
United Airlines
Deal found 7/22![United Airlines logo]()
$323
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/86:20 am
ATW
- STL
1 stop5h 51m
United Airlines
Wed 8/1212:59 pm
STL
- ATW
1 stop3h 58m
United Airlines
Deal found 7/23![United Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 7/21. 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 10/86:25 am
ATW
- STL
1 stop5h 48m
United Airlines
Sun 10/118:00 am
STL
- ATW
1 stop3h 43m
United Airlines
Deal found 7/21![United Airlines logo]()
$359
Last-minute flights from Appleton to St. LouisDiscover last-minute flight deals from Appleton to St. Louis. Data last updated July 26, 2026 and is based on user searches.
Discover last-minute flight deals from Appleton to St. Louis. Data last updated July 26, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/25. 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 8/135:48 pm
ATW
- STL
1 stop6h 26m
American Airlines
Sat 8/158:06 pm
STL
- ATW
1 stop4h 04m
American Airlines
Deal found 7/25![American Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/135:00 pm
ATW
- STL
1 stop5h 00m
United Airlines
Sat 8/156:00 am
STL
- ATW
1 stop5h 53m
United Airlines
Deal found 7/22![United Airlines logo]()
$323
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/145:00 pm
ATW
- STL
1 stop5h 01m
United Airlines
Mon 8/178:00 am
STL
- ATW
1 stop6h 02m
United Airlines
Deal found 7/21![United Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:17 pm
ATW
- STL
2 stops25h 05m
Multiple Airlines
Sat 9/55:02 pm
STL
- ATW
1 stop30h 03m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/304:17 pm
ATW
- STL
1 stop23h 11m
Multiple Airlines
Fri 9/46:17 pm
STL
- ATW
2 stops52h 48m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/304:17 pm
ATW
- STL
2 stops25h 05m
Multiple Airlines
Sat 9/55:02 pm
STL
- ATW
1 stop30h 03m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/304:17 pm
ATW
- STL
1 stop23h 11m
Multiple Airlines
Thu 9/36:17 pm
STL
- ATW
2 stops20h 48m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/304:17 pm
ATW
- STL
1 stop23h 11m
Multiple Airlines
Sun 9/66:17 pm
STL
- ATW
2 stops15h 44m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:15 am
ATW
- STL
1 stop9h 58m
Multiple Airlines
Fri 9/46:17 pm
STL
- ATW
2 stops52h 48m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:15 am
ATW
- STL
1 stop9h 58m
Multiple Airlines
Sun 9/66:17 pm
STL
- ATW
2 stops15h 44m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:30 am
ATW
- STL
2 stops29h 01m
Multiple Airlines
Sat 9/55:02 pm
STL
- ATW
1 stop30h 03m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$321
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 July 26, 2026.
Search for one-way flight options from Appleton to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 10/305:29 pm
ATW
- STL
2 stops41h 11m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Mon 12/1411:40 am
ATW
- STL
2 stops25h 41m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 10/317:00 am
ATW
- STL
3 stops51h 40m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$215
This United Airlines deal was found by Cheapflights users on 7/25. 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 9/77:00 am
ATW
- STL
1 stop5h 02m
United Airlines
Deal found 7/25![United Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Mon 9/78:00 am
ATW
- STL
2 stops29h 21m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$220
This American Airlines deal was found by Cheapflights users on 7/22. 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 10/3111:30 am
ATW
- STL
2 stops12h 12m
American Airlines
Deal found 7/22![American Airlines logo]()
$328
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 July 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $289 (American Airlines) |
One-way from | $151 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $618 |
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 July 26, 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
Thu 8/13
7:30 am-12:02 pm
1 stop4h 32m
Lambert-St Louis
Sun 8/16
8:00 am-11:53 am
1 stop3h 53m
$299
AppletonSt. Louis
ATW - STL
ATWSTL
Appleton Intl
Sat 8/15
11:09 am-5:14 pm
1 stop6h 05m
Lambert-St Louis
Mon 8/17
2:10 pm-5:56 pm
1 stop3h 46m
$299
AppletonSt. Louis
ATW - STL
ATWSTL
Appleton Intl
Fri 8/14
5:00 pm-10:01 pm
1 stop5h 01m
Lambert-St Louis
Mon 8/17
8:00 am-2:02 pm
1 stop6h 02m
$299
AppletonSt. Louis
ATW - STL
ATWSTL
Appleton Intl
Fri 8/14
2:06 pm-8:42 pm
1 stop6h 36m
Lambert-St Louis
Mon 8/17
6:20 am-10:20 am
1 stop4h 00m
$299
AppletonSt. Louis
ATW - STL
ATWSTL
Appleton Intl
Fri 10/16
2:36 pm-9:21 pm
1 stop6h 45m
Lambert-St Louis
Sat 10/24
5:36 pm-10:58 pm
1 stop5h 22m
$299
AppletonSt. Louis
ATW - STL
ATWSTL
Appleton Intl
Sat 8/15
11:09 am-5:14 pm
1 stop6h 05m
Lambert-St Louis
Sun 8/16
8:48 am-3:30 pm
1 stop6h 42m
$299
AppletonSt. Louis
ATW - STL
ATWSTL
Appleton Intl
Fri 10/16
5:29 pm-7:15 pm
1 stop25h 46m
Lambert-St Louis
Sat 10/24
10:35 am-9:41 am
2 stops47h 06m
$315
AppletonSt. Louis
ATW - STL
ATWSTL
Appleton Intl
Thu 8/13
5:00 pm-10:00 pm
1 stop5h 00m
Lambert-St Louis
Sat 8/15
6:00 am-11:53 am
1 stop5h 53m
$323
AppletonSt. Louis
ATW - STL
ATWSTL
Appleton Intl
Thu 8/13
5:48 pm-12:14 am
1 stop6h 26m
Lambert-St Louis
Sat 8/15
5:00 am-10:58 am
1 stop5h 58m
$324
AppletonSt. Louis
ATW - STL
ATWSTL
Appleton Intl
Sat 8/8
6:20 am-12:11 pm
1 stop5h 51m
Lambert-St Louis
Wed 8/12
12:59 pm-4:57 pm
1 stop3h 58m
$329
Showing 1-10 of 18 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 July.
| 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
What is the cheapest month to book a flight from Appleton to St. Louis?
Currently, February is the cheapest month in which you can book a flight from Appleton to St. Louis (average of $268). Flying from Appleton to St. Louis in July is currently the most expensive (average of $618). 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?
Airfare is below average for this route at the moment.
Appleton to St. Louis flights typically cost between $352 and $516 in August.The cheapest round-trip price found within the last 5 days was $278 on Multiple Airlines (Aug 30-Sep 4).
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 July 26, 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.
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington
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Appleton and St. Louis flights
Browse other Appleton and St. Louis flight options. Last updated on July 26, 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 July 26, 2026.
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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 July 26, 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 July 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$323 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$228 | Average$288 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$248 | Average$358 | FlexibilityNo cancel fee | On-time69% |