$108 Cheap Flights from Appleton (ATW) to Denver (DEN)

View $108 flight on Thu, Feb 19, 2026Opens in a new window

Popular airlines from Appleton, WI (ATW-Appleton Intl.) to Denver Intl. Airport (DEN)

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Cheap Flights from Appleton to Denver (ATW-DEN)

Prices were available within the past 7 days and start at $108 for one-way flights and $197 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Apr 22 - Sat, Apr 25
ATW
Appleton
DEN
Denver
$197 Roundtrip, found 22 hours ago
$197
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Wed, Apr 22 from Appleton to Denver, returning Sat, Apr 25, priced at $197 found 22 hours ago
Delta
Mon, Mar 2 - Tue, Mar 10
ATW
Appleton
DEN
Denver
$201 Roundtrip, found 1 day ago
$201
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Mar 2 from Appleton to Denver, returning Tue, Mar 10, priced at $201 found 1 day ago
United
Sun, May 24 - Sat, May 30
ATW
Appleton
DEN
Denver
$209 Roundtrip, found 1 day ago
$209
Roundtrip
found 1 day ago
Select United flight, departing Sun, May 24 from Appleton to Denver, returning Sat, May 30, priced at $209 found 1 day ago
United
Sat, Apr 18 - Sat, Apr 25
ATW
Appleton
DEN
Denver
$219 Roundtrip, found 12 hours ago
$219
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Apr 18 from Appleton to Denver, returning Sat, Apr 25, priced at $219 found 12 hours ago
American Airlines
Sat, Feb 28 - Thu, Mar 5
ATW
Appleton
DEN
Denver
$229 Roundtrip, just found
$229
Roundtrip
just found
Select American Airlines flight, departing Sat, Feb 28 from Appleton to Denver, returning Thu, Mar 5, priced at $229 just found
Delta
Tue, Mar 31 - Thu, Apr 16
ATW
Appleton
DEN
Denver
$229 Roundtrip, found 1 hour ago
$229
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Mar 31 from Appleton to Denver, returning Thu, Apr 16, priced at $229 found 1 hour ago
United
Sat, Apr 18 - Sat, Apr 25
ATW
Appleton
DEN
Denver
$230 Roundtrip, found 12 hours ago
$230
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Apr 18 from Appleton to Denver, returning Sat, Apr 25, priced at $230 found 12 hours ago
American Airlines
Wed, Apr 22 - Sat, Apr 25
ATW
Appleton
DEN
Denver
$232 Roundtrip, found 22 hours ago
$232
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Wed, Apr 22 from Appleton to Denver, returning Sat, Apr 25, priced at $232 found 22 hours ago
Delta
Mon, Mar 2 - Tue, Mar 10
ATW
Appleton
DEN
Denver
$236 Roundtrip, found 1 day ago
$236
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Mar 2 from Appleton to Denver, returning Tue, Mar 10, priced at $236 found 1 day ago
Delta
Tue, Apr 7 - Fri, Apr 24
ATW
Appleton
DEN
Denver
$238 Roundtrip, found 22 hours ago
$238
Roundtrip
found 22 hours ago
Select Delta flight, departing Tue, Apr 7 from Appleton to Denver, returning Fri, Apr 24, priced at $238 found 22 hours ago

Alternative airports near Denver

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $314
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $314

Find the cheapest month to fly from Appleton (ATW) to Denver (DEN)

September is typically the cheapest month to fly

From $209 - $457 per traveler.
Flights from Appleton (ATW) to Denver (DEN)
Origin airport
Appleton Intl.
Destination airport
Denver Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$196
Distance
881 mi
Average flight time
3 hours 15 mins

Appleton to Denver Flights

The cheapest times to fly from Appleton to Denver

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 Appleton to Denver are during the month of April. You can find some of the cheapest flights from Appleton to Denver with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Appleton to Denver

Sunday is one of the best days to book for cheap flights from Appleton to Denver: 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 Appleton to Denver

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 Appleton to Denver in 2026. You can also book with separate airlines for your outbound and return journeys, from $108 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 Appleton to Denver 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 Appleton to Denver 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.

 

Frequently asked questions

How much does a flight from Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver Intl.) cost?
You can find cheap one-way flights from $108 and cheap return flights from $197 Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver Intl.) with Expedia. One-way flights generally range between $232 and $700, and roundtrip flights usually range from $339 to $1066. 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 Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver 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 Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver Intl.)?
January is the cheapest month to fly from Appleton (ATW) to Denver (DEN), with average return fares around $377. This is about 14% lower than the average price throughout the year, as travel demand tends to dip during this time. Other budget-friendly months include April and August.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver Intl.)?
You can fly direct from ATW to DEN on United, with around 9 flights per week.
What is the cheapest airline that flies from Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver Intl.)?
United is one of the cheapest airlines offering nonstop flights from Appleton (ATW) to Denver (DEN), with round-trip tickets starting from around $209. 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 Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver Intl.)?
To find a cheap flight from Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver 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 airline to fly with from Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver Intl.)?
The best airline to fly with from Appleton, WI (ATW) to Denver, CO (DEN) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. United offers the most daily flights from ATW to DEN, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver Intl.)?
For flights from Appleton to Denver, January and August are your best bets. You can expect average return flight prices around $377 during these months. January is ideal for budget travelers as it follows the holiday rush, while August offers warm weather and plenty of outdoor activities in Denver.*Prices based on flights available on Expedia in the last year.
How many flights per day from Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver Intl.)?
You can find approximately 1 nonstop flights per day from Appleton Intl. (ATW) to Denver Intl. (DEN). For more options, look at flights that include layovers.
What is the earliest flight from Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver Intl.)?
The earliest flight from Appleton (ATW) to Denver (DEN) typically leaves at around 5:00 AM, operated by American Airlines. This is a seasonal service active in July, and an early start can help you maximize your time in Denver. 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 Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver Intl.)?
The most popular departure times for flights from Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver Intl.) are in the early morning, from 6am to 9am. About 47% of passengers prefer this time window. Many major carriers, including United, Delta, and American Airlines, offer flights during this window. This timing works well because it allows you to start your day early and arrive in Denver with plenty of time to enjoy the day.
How long does it take to fly from Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver Intl.)?
Direct flights from ATW to DEN usually take about 3 hours, traveling roughly 882 miles. If you opt for a connecting flight, expect to add around 4 hours 20 minutes to your journey. 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 Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver Intl.)?
First class is available on flights from ATW to DEN. First class cabins are available on:

  • Delta Air Lines
  • United Airlines
  • American Airlines

How much is a business class flight from Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver Intl.)?
A direct, return business class ticket from Appleton (ATW) to Denver (DEN) typically costs between $992 - $1,458. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver Intl.) flight with Expedia?
It's easy to earn miles on a Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver 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 Denver from Appleton Intl. (ATW)?
If you're planning to travel to Denver from Appleton Intl. (ATW), you can fly into Denver Intl. (DEN) Some flights may connect through major hubs like O'Hare Intl. (ORD), Minneapolis - St. Paul Intl. (MSP), Detroit Metropolitan Wayne County (DTW) before reaching Denver. 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 Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver Intl.) at the last minute?
Typically, booking a last minute flight from Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver 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 Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver Intl.) flight and hotel package?
Securing a Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver Intl.) Denver Vacation Packages 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 Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver Intl.)?
If you booked your Appleton, WI (ATW-Appleton Intl.) to Denver, CO (DEN-Denver 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.

*Flight schedules are subject to change.

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*Available to One Key members.