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

Cheapflights users have booked flights from St. Louis to Appleton round-trip from $218. Another airline that can offer you cheap pricing is American Airlines. Delta is currently priced 42% below the average price you’ll pay for this route.

What is the cheapest day to fly from St. Louis to Appleton?

Travelers seeking maximum savings on their St. Louis to Appleton flight should consider departing on Tuesday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Appleton ranges from 1.1 - 3.8 inches per month. June is typically the wettest month, when rainfall can reach 3.8 in. February is typically the driest time to visit Appleton when rainfall is around 1.1 in.

If weather is an important factor for your trip to Appleton, 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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.6 F).

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

When flying from St. Louis to Appleton, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 19% versus a flight in the afternoon.

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

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

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

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

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

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

Find Cheap Flights from St. Louis to Appleton

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Cheap flight deals from St. Louis to Appleton

Popular in	September
Cheapest in	November
Average price	$664

Highest demand for flights based on searches. 16% potential increase in price ($72 potential increase over avg. RT price).

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Cheapest flight prices on average. 7% potential price decrease ($26 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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

Have a flexible travel schedule? Discover the best time to fly to Appleton from St. Louis 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 St. Louis to Appleton

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

Currently, January is the cheapest month in which you can book a flight from St. Louis to Appleton (average of $312). Flying from St. Louis to Appleton in March is currently the most expensive (average of $421). 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 Appleton

Peruse reviews from past customers who have flown with Delta and American Airlines from St. Louis to Appleton to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,957 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,957 reviews

Delta

8.0

Very good

7,957 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,957 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from St. Louis to Appleton round-trip?
Cheapflights users have booked flights from St. Louis to Appleton round-trip from $218. Another airline that can offer you cheap pricing is American Airlines. Delta is currently priced 42% below the average price you’ll pay for this route.
Can I find deals for flights from St. Louis to Appleton that include hotel bookings?
Yes. In addition to deals on St. Louis to Appleton flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Appleton?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Appleton.
Can I find deals for business class flights from St. Louis to Appleton?
Yes. Cheapflights offers flight deals from St. Louis to Appleton 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 St. Louis to Appleton?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Appleton (average of $312). Flying from St. Louis to Appleton in March is currently the most expensive (average of $421). 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

Neenah

Fond du Lac

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Top 2 airlines flying from St. Louis to Appleton

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$218	Average$308	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$253	Average$374	FlexibilityNo cancel fee	On-time71%

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

Find cheap flights from St. Louis to Appleton with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to Appleton

Popular in

Cheapest in

Average price

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

Have a flexible travel schedule? Discover the best time to fly to Appleton from St. Louis with our price prediction graph.

Cheapflights Insights

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

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

Reviews of airlines servicing Appleton

Peruse reviews from past customers who have flown with Delta and American Airlines from St. Louis to Appleton to help guide your decision. You can also see how each airline stacks up 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 St. Louis to Appleton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

Traveling to a place near Appleton?

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Alternative routes for St. Louis to Appleton

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Top 2 airlines flying from St. Louis to Appleton

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