$144 Cheap Flights from Appleton (ATW) to Denver (DEN)

View $144 flight on Sun, Dec 7, 2025Opens in a new window

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

Cheap Flights from Appleton to Denver (ATW-DEN)

Prices were available within the past 7 days and start at $144 for one-way flights and $209 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Nov 23 - Tue, Jan 6
ATW
Appleton
DEN
Denver
$209 Roundtrip, found 6 days ago
$209
Roundtrip
found 6 days ago
Select United flight, departing Sun, Nov 23 from Appleton to Denver, returning Tue, Jan 6, priced at $209 found 6 days ago
United
Tue, Feb 3 - Tue, Feb 10
ATW
Appleton
DEN
Denver
$219 Roundtrip, found 20 hours ago
$219
Roundtrip
found 20 hours ago
Select United flight, departing Tue, Feb 3 from Appleton to Denver, returning Tue, Feb 10, priced at $219 found 20 hours ago
American Airlines
Sun, Dec 7 - Wed, Dec 17
ATW
Appleton
DEN
Denver
$229 Roundtrip, found 15 hours ago
$229
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Sun, Dec 7 from Appleton to Denver, returning Wed, Dec 17, priced at $229 found 15 hours ago
Delta
Wed, Dec 10 - Sun, Dec 14
ATW
Appleton
DEN
Denver
$229 Roundtrip, found 3 hours ago
$229
Roundtrip
found 3 hours ago
Select Delta flight, departing Wed, Dec 10 from Appleton to Denver, returning Sun, Dec 14, priced at $229 found 3 hours ago
United
Fri, Nov 21 - Tue, Dec 2
ATW
Appleton
DEN
Denver
$229 Roundtrip, found 1 day ago
$229
Roundtrip
found 1 day ago
Select United flight, departing Fri, Nov 21 from Appleton to Denver, returning Tue, Dec 2, priced at $229 found 1 day ago
United
Mon, Dec 22 - Sat, Dec 27
ATW
Appleton
DEN
Denver
$231 Roundtrip, found 1 day ago
$231
Roundtrip
found 1 day ago
Select United flight, departing Mon, Dec 22 from Appleton to Denver, returning Sat, Dec 27, priced at $231 found 1 day ago
United
Wed, Nov 19 - Fri, Nov 28
ATW
Appleton
DEN
Denver
$239 Roundtrip, found 5 days ago
$239
Roundtrip
found 5 days ago
Select United flight, departing Wed, Nov 19 from Appleton to Denver, returning Fri, Nov 28, priced at $239 found 5 days ago
United
Thu, Nov 20 - Mon, Nov 24
ATW
Appleton
DEN
Denver
$239 Roundtrip, found 9 hours ago
$239
Roundtrip
found 9 hours ago
Select United flight, departing Thu, Nov 20 from Appleton to Denver, returning Mon, Nov 24, priced at $239 found 9 hours ago
United
Thu, Jan 8 - Sat, Jan 10
ATW
Appleton
DEN
Denver
$244 Roundtrip, found 5 hours ago
$244
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Jan 8 from Appleton to Denver, returning Sat, Jan 10, priced at $244 found 5 hours ago
United
Thu, Jan 8 - Sat, Jan 10
ATW
Appleton
DEN
Denver
$246 Roundtrip, found 5 hours ago
$246
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Jan 8 from Appleton to Denver, returning Sat, Jan 10, priced at $246 found 5 hours ago

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.

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 $249
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $249

Frequently asked questions

How much does a flight from Appleton Intl. Airport (ATW) to Denver Intl. Airport (DEN) cost?
Get a cheap one-way flight from $144 or cheap return flight from $209 from Appleton Intl. Airport (ATW) to Denver Intl. Airport (DEN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Appleton Intl. Airport (ATW) to Denver Intl. Airport (DEN)?
Planning your getaway for November may help you find better deals, as it's the cheapest month for flights between ATW and DEN. You'll typically find the lowest fares during off-peak months.
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 Appleton Intl. Airport (ATW) to Denver Intl. Airport (DEN)?
To find the cheapest airline flying from ATW to DEN, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
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.

Travel information

Origin airport
Appleton Intl.
Destination airport
Denver Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$209
Distance
881 mi
Average flight time
3 hours 5 mins

Book with confidence

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 November. 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 $144 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.

 

Appleton to Denver Flights

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*Available to One Key members.