$89 Cheap Flights from Appleton (ATW) to Denver (DEN)

View $89 flight on Thu, Sep 4, 2025Opens 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 $89 for one-way flights and $177 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Sep 4 - Tue, Sep 9
ATW
Appleton
DEN
Denver
$177 Roundtrip, just found
$177
Roundtrip
just found
Select American Airlines flight, departing Thu, Sep 4 from Appleton to Denver, returning Tue, Sep 9, priced at $177 just found
American Airlines
Sat, Dec 13 - Tue, Dec 16
ATW
Appleton
DEN
Denver
$189 Roundtrip, found 1 hour ago
$189
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sat, Dec 13 from Appleton to Denver, returning Tue, Dec 16, priced at $189 found 1 hour ago
American Airlines
Sat, Sep 13 - Sat, Sep 27
ATW
Appleton
DEN
Denver
$201 Roundtrip, found 2 hours ago
$201
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Sep 13 from Appleton to Denver, returning Sat, Sep 27, priced at $201 found 2 hours ago
American Airlines
Fri, Sep 5 - Thu, Sep 11
ATW
Appleton
DEN
Denver
$203 Roundtrip, found 5 hours ago
$203
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Fri, Sep 5 from Appleton to Denver, returning Thu, Sep 11, priced at $203 found 5 hours ago
American Airlines
Sat, Oct 18 - Tue, Oct 21
ATW
Appleton
DEN
Denver
$204 Roundtrip, found 6 days ago
$204
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Oct 18 from Appleton to Denver, returning Tue, Oct 21, priced at $204 found 6 days ago
United
Sat, Jul 26 - Mon, Jul 28
ATW
Appleton
DEN
Denver
$209 Roundtrip, found 3 hours ago
$209
Roundtrip
found 3 hours ago
Select United flight, departing Sat, Jul 26 from Appleton to Denver, returning Mon, Jul 28, priced at $209 found 3 hours ago
American Airlines
Thu, Sep 4 - Tue, Sep 9
ATW
Appleton
DEN
Denver
$213 Roundtrip, just found
$213
Roundtrip
just found
Select American Airlines flight, departing Thu, Sep 4 from Appleton to Denver, returning Tue, Sep 9, priced at $213 just found
United
Fri, Nov 14 - Sun, Nov 16
ATW
Appleton
DEN
Denver
$219 Roundtrip, found 14 hours ago
$219
Roundtrip
found 14 hours ago
Select United flight, departing Fri, Nov 14 from Appleton to Denver, returning Sun, Nov 16, priced at $219 found 14 hours ago
American Airlines
Sat, Dec 13 - Tue, Dec 16
ATW
Appleton
DEN
Denver
$225 Roundtrip, found 1 hour ago
$225
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sat, Dec 13 from Appleton to Denver, returning Tue, Dec 16, priced at $225 found 1 hour ago
Delta
Sat, Sep 27 - Wed, Oct 1
ATW
Appleton
DEN
Denver
$229 Roundtrip, just found
$229
Roundtrip
just found
Select Delta flight, departing Sat, Sep 27 from Appleton to Denver, returning Wed, Oct 1, priced at $229 just found

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

August is typically the cheapest month to fly

From $203 - $463 per traveler.

Graph displaying average flight prices per month

Flights from Appleton (ATW) to Denver (DEN)
Origin airport
Appleton Intl.
Destination airport
Denver Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$176
Distance
881 mi
Average flight time
1 hour 38 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 September. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $89 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 Intl. Airport (ATW) to Denver Intl. Airport (DEN) cost?
You can land affordable return tickets from Appleton Intl. Airport (ATW) to Denver Intl. Airport (DEN) starting from $209. Grab a seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving ATW on July 22 2025 and touching down at DEN. The price was last updated on June 29 2025 and has not changed since.
What is the cheapest month to fly from ATW to DEN?
The cheapest flights from ATW to DEN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Appleton Intl. Airport (ATW) to Denver Intl. Airport (DEN)?
Jump on a nonstop flight with United Airlines and travel straight from Appleton Intl. Airport (ATW) to Denver Intl. Airport (DEN).
What is the cheapest airline that flies from ATW to DEN?
At the moment, the cheapest airline operating one-way flights from ATW to DEN is United. You can jet off on this route from $224. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ATW on September 11 2025. Prices were last updated on June 29 2025 and have not changed since.
How many flights per day from Appleton Intl. Airport (ATW) to Denver Intl. Airport (DEN)?
On average, there's only 1 nonstop flight operating from Appleton Intl. Airport (ATW) to Denver Intl. Airport (DEN) per day. If this doesn't suit your schedule, think about flights with layovers. Just filter your search results on Expedia to include one or two stops to find the next best option.
What are the most popular departure times for flights from Appleton Intl. Airport (ATW) to Denver Intl. Airport (DEN)?
More passengers fly between ATW and DEN at 8 AM than at any other time. Looking for a quieter experience? Try choosing a quieter departure window and there's a chance you'll save on your fare as well.
What day of the week has the most flights from ATW to DEN?
Friday has the most flights from Appleton Intl. Airport (ATW) to Denver Intl. Airport (DEN). Consider leaving on this day and you'll have the best chance of finding a departure that fits your plans.
What is the earliest flight from Appleton Intl. Airport (ATW) to Denver Intl. Airport (DEN)?
Appleton Intl. Airport (ATW)'s first flight to Denver Intl. Airport (DEN) departs at approximately 8:22AM UTC-6. With a total travel time of 3h 11m, you'll touch down at around 10:33AM UTC-7.
How long does it take to fly from Appleton Intl. Airport (ATW) to Denver Intl. Airport (DEN)?
It usually takes 3 hours and 11 minutes to travel the 880 mi from ATW to DEN.
What is the best time to fly from Appleton Intl. Airport (ATW) to Denver Intl. Airport (DEN)?
To avoid possible delays on the Appleton Intl. Airport (ATW) to Denver Intl. Airport (DEN) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Denver from Appleton Intl. Airport (ATW)?
Denver Intl. Airport (DEN) is the only airport in Denver with direct flights from Appleton Intl. Airport (ATW). Consider your options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Appleton Intl. Airport (ATW) to Denver Intl. Airport (DEN) last-minute?
Holding off until just before your trip to book a flight from ATW to DEN often results in higher prices. While you might find some last-minute discounts, they aren't always guaranteed. Be flexible with your itinerary to boost your chances of snagging a bargain.
Is it cheaper to book an ATW to DEN flight and hotel package?
Compared with arranging hotels and flights separately, booking an ATW to DEN flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the hassle out of planning your trip. Simply secure your flights and select from our extensive range of hotels, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Appleton Intl. Airport (ATW) to Denver Intl. Airport (DEN)?
In most cases, you're able to reschedule or cancel your ATW to DEN flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you need further information, visit our Customer Service portal.

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*Available to One Key members.