$159 Cheap Flights from St. Louis (STL) to Appleton (ATW)

View $159 flight on Wed, Jun 24, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Appleton, WI (ATW-Appleton Intl.)

Cheap Flights from St. Louis to Appleton (STL-ATW)

Prices were available within the past 7 days and start at $159 for one-way flights and $289 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Jun 17 - Wed, Jun 24
STL
St. Louis
ATW
Appleton
$289 Roundtrip, found 5 days ago
$289
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Jun 17 from St. Louis to Appleton, returning Wed, Jun 24, priced at $289 found 5 days ago
Delta
Thu, Oct 15 - Sun, Oct 18
STL
St. Louis
ATW
Appleton
$289 Roundtrip, found 4 days ago
$289
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Oct 15 from St. Louis to Appleton, returning Sun, Oct 18, priced at $289 found 4 days ago
United
Wed, Jun 17 - Sun, Jun 21
STL
St. Louis
ATW
Appleton
$304 Roundtrip, found 2 days ago
$304
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jun 17 from St. Louis to Appleton, returning Sun, Jun 21, priced at $304 found 2 days ago
United
Wed, Jun 17 - Sun, Jun 21
STL
St. Louis
ATW
Appleton
$315 Roundtrip, found 2 days ago
$315
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jun 17 from St. Louis to Appleton, returning Sun, Jun 21, priced at $315 found 2 days ago
United
Wed, Jun 17 - Wed, Jun 24
STL
St. Louis
ATW
Appleton
$316 Roundtrip, found 5 days ago
$316
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jun 17 from St. Louis to Appleton, returning Wed, Jun 24, priced at $316 found 5 days ago
Delta
Wed, Jun 17 - Wed, Jun 24
STL
St. Louis
ATW
Appleton
$317 Roundtrip, found 5 days ago
$317
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Jun 17 from St. Louis to Appleton, returning Wed, Jun 24, priced at $317 found 5 days ago
American Airlines
Sat, Jul 18 - Mon, Jul 27
STL
St. Louis
ATW
Appleton
$324 Roundtrip, found 2 days ago
$324
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Jul 18 from St. Louis to Appleton, returning Mon, Jul 27, priced at $324 found 2 days ago
United
Wed, Jun 17 - Sun, Jun 21
STL
St. Louis
ATW
Appleton
$324 Roundtrip, found 2 days ago
$324
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jun 17 from St. Louis to Appleton, returning Sun, Jun 21, priced at $324 found 2 days ago
Delta
Wed, Jun 17 - Wed, Jun 24
STL
St. Louis
ATW
Appleton
$334 Roundtrip, found 5 days ago
$334
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Jun 17 from St. Louis to Appleton, returning Wed, Jun 24, priced at $334 found 5 days ago
United
Wed, Jun 17 - Sun, Jun 21
STL
St. Louis
ATW
Appleton
$335 Roundtrip, found 2 days ago
$335
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jun 17 from St. Louis to Appleton, returning Sun, Jun 21, priced at $335 found 2 days ago

What you need to know for your flight from Lambert-St. Louis Intl. to Appleton Intl.

St. Louis (STL) to Appleton (ATW) at a glance

Explore a range of airlines offering flights from St. Louis (STL) to Appleton (ATW) on this convenient domestic route. Compare options from full-service carriers to discover the itinerary that aligns with your budget and schedule as you prepare to experience the attractions and neighborhoods of Appleton. Find essential details for your trip from Lambert-St. Louis International Airport (STL) to Appleton International Airport (ATW) and get ready for an enjoyable journey.

  • Fastest flight duration: around 2h 45m in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 400 miles (645 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $115–$425, depending on seasonality and how far ahead you book

Flights from Lambert-St. Louis International Airport (STL) to Appleton International Airport (ATW)

Based on the latest traveler bookings, here are the top airlines flying from St. Louis to Appleton, favored for their one-stop services. Common layover options include O'Hare International Airport (ORD) with an approximate 1 hour and 15 minutes layover, Minneapolis - St. Paul International Airport (MSP) at around 50 minutes, and Detroit Metropolitan Wayne County Airport (DTW), also about 50 minutes. These choices allow you to tailor your itinerary by balancing price, total travel time, and cabin class to find the perfect flight.

  • United: This comprehensive airline provides one-stop service, with one-way ticket prices generally falling between $115 and $435. It represents about 48% of the departures for this route, featuring a flight duration of 2 hours and 45 minutes, with an overall travel time of around 4 hours, including layovers.
  • American Airlines: Known for its full-service offerings, this carrier provides one-stop flights with one-way fares usually ranging from $120 to $370. It accounts for roughly 33% of the departures on this route, with a similar in-flight duration of 2 hours and 45 minutes and a total travel time close to 4 hours, factoring in layovers.
  • Delta: Offering a full-service experience, Delta features one-stop flights with one-way fares typically priced between $115 and $460. This airline handles about 20% of the departures on this route, with an in-flight time of 2 hours and 45 minutes and a total journey duration of approximately 4 hours, including layover time.

Alternative route from St. Louis (STL) to Appleton (ATW)

  • St. Louis to Green Bay (STL-GRB): Austin Straubel International Airport (GRB) is located roughly 25 miles from Appleton International Airport (ATW). One-way economy ticket prices for this journey generally fall between $115 and $375, influenced by the season and how far in advance you book. This route is commonly served by one-stop flights, with popular layover points at O'Hare International Airport (ORD) and Minneapolis - St. Paul International Airport (MSP). Major airlines operating on this route include American Airlines and United. Additionally, first-class service is offered on this route.

How to find the best prices for flights from St. Louis (STL) to Appleton (ATW)

Getting some of the best deals on flights from St. Louis to Appleton is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Afternoon departures between 12 PM and 6 PM often offer lower prices, while morning flights from 5 AM to 12 PM are the most popular. Additionally, flying on Wednesday tends to be cheaper, although Friday is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Appleton hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Appleton International Airport from Lambert-St. Louis International Airport

Appleton welcomes travelers from St. Louis with a range of transport options based on price, convenience, and proximity. Here's how to reach Appleton efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Appleton, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Appleton International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Appleton International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Appleton International Airport, Appleton Transit Center, a bus station, is located about 5.8 miles away by car, providing convenient access for travelers heading into the city.

Frequently asked questions

How much does a flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Appleton, WI (ATW-Appleton Intl.) cost?
You can find cheap one-way flights from $159 and cheap return flights from $289 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Appleton, WI (ATW-Appleton Intl.) with Expedia. One-way flights usually range from $215 to $608, and return flights typically cost between $299 and $988. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when St. Louis, MO (STL-Lambert-St. Louis Intl.) to Appleton, WI (ATW-Appleton Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Appleton, WI (ATW-Appleton Intl.)?
The cheapest month to fly from STL to ATW is June when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Appleton, WI (ATW-Appleton Intl.)?
Enter STL to ATW and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Appleton, WI (ATW-Appleton Intl.)?
Southern Airways Express is one of the cheapest airlines offering connecting flights from St. Louis, MO (STL) to Appleton, WI (ATW) with a layover in Quincy Regional-Baldwin Field (UIN), starting from around $398 for a round-trip ticket. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Appleton, WI (ATW-Appleton Intl.)?
To find a cheap flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Appleton, WI (ATW-Appleton Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Appleton, WI (ATW-Appleton Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Appleton, WI (ATW-Appleton Intl.)?
The earliest flight from St. Louis, MO (Lambert-St. Louis International Airport) to Appleton, WI (Appleton International) usually departs at around 5:00 AM, operated by American Airlines. This service is seasonal, active in May. An early flight can help you maximize your time in Appleton. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Appleton, WI (ATW-Appleton Intl.)?
The most popular departure times for flights from St. Louis (STL) to Appleton (ATW) are in the late morning, from 9am to 12pm. About 29% of passengers prefer this time window. Airlines such as United Airlines, Delta Airlines, and American Airlines offer flights during this period. Many travelers choose this timing as it allows for a relaxed start to their travel day.
How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Appleton, WI (ATW-Appleton Intl.)?
Flying from STL to ATW with a connection usually takes about 4 hours, traveling roughly 393 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Appleton, WI (ATW-Appleton Intl.)?
First class seats are offered on the STL to ATW route. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Appleton, WI (ATW-Appleton Intl.) flight with Expedia?
It's easy to earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Appleton, WI (ATW-Appleton Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Appleton from Lambert-St. Louis Intl. (STL)?
If you're planning to travel to Appleton from Lambert-St. Louis Intl. (STL), you can fly into Appleton Intl. (ATW) Some flights may connect through major hubs like Quincy Regional-Baldwin Field (UIN), Hartsfield-Jackson Atlanta Intl. (ATL), Charlotte-Douglas Intl. (CLT) before reaching Appleton. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Appleton, WI (ATW-Appleton Intl.) at the last minute?
Typically, booking a last minute flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Appleton, WI (ATW-Appleton Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Appleton, WI (ATW-Appleton Intl.) flight and hotel package?
Securing a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Appleton, WI (ATW-Appleton Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Appleton, WI (ATW-Appleton Intl.)?
If you booked your St. Louis, MO (STL-Lambert-St. Louis Intl.) to Appleton, WI (ATW-Appleton Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Appleton Intl.
Roundtrip price
$288
Distance
393 mi

Book with confidence

St. Louis to Appleton Flights

The cheapest times to fly from St. Louis to Appleton

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Appleton are during the month of June. You can find some of the cheapest flights from St. Louis to Appleton with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Appleton

Sunday is one of the best days to book for cheap flights from St. Louis to Appleton: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Appleton

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Appleton in 2026. You can also book with separate airlines for your outbound and return journeys, from $159 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Appleton flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Appleton airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Appleton Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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