$189 Cheap United flights Appleton (ATW) to Denver (DEN)

Finding cheap one-way United Airlines flights from ATW to DEN from $189 on Expedia is a cinch — just filter by “Price (lowest to highest).” Alternatively, check out our affordable return fares from $209 for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the most affordable months to jet away to Denver with United Airlines. You could also find great deals on one-way and round-trip fares in November.

To find cheap United Airlines fares from Appleton Intl. Airport (ATW) to Denver Intl. Airport (DEN), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the overall price. Sunday tends to be the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Choose from one of United Airlines’s 7 direct weekly flights from Appleton Intl. Airport (ATW) to Denver Intl. Airport (DEN). To see what’s available, enter your origin, dates and destination and hit search. Then select the “Nonstop” and “Airline” filters.

On average, it takes 3h 11m to fly nonstop from Appleton Intl. Airport (ATW) to Denver Intl. Airport (DEN) with United Airlines.

Jetting off from ATW at 8:22AM UTC-6, the earliest United Airlines flight to DEN lands at 10:33AM UTC-7. Traveling early means you’ll be less likely to encounter delays.* Not an early riser? The last United Airlines flight from ATW to DEN departs at 8:22AM UTC-6 and touches down at 10:33AM UTC-7.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Board a United Airlines flight from Appleton Intl. Airport (ATW) to Denver, and you’re most likely to land at Denver Intl. Airport (DEN). This is the airline’s primary hub here.

Offering a rewarding loyalty program, United Airlines is a top choice for many travelers departing from ATW to DEN. Plus, if you’re a United Mileage Plus and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

United Airlines generally uses Embraer 175 planes for journeys from Appleton Intl. Airport (ATW) to Denver Intl. Airport (DEN). Keep in mind that aircraft type can vary depending on operational demands, so the plane you board might be different on your travel date.

It’s generally possible to modify or cancel your flight, although additional charges may apply if you made your booking over 24 hours ago. Want to keep your options open? Use our “Changes included” and “No cancel fee” filters to find flights that won’t penalize you if you need to alter your plans. To make changes, visit “Trips,” select your flight and click on “Manage Booking” for further information.