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$184 Cheap Flights from Appleton (ATW) to Denver (DEN)

View $184 flight on Thu, Oct 1, 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 $184 for one-way flights and $269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Oct 3 - Sat, Oct 10
ATW
Appleton
DEN
Denver
$269 Roundtrip, found 11 hours ago
$269
Roundtrip
found 11 hours ago
Select United flight, departing Sat, Oct 3 from Appleton to Denver, returning Sat, Oct 10, priced at $269 found 11 hours ago
United
Fri, Sep 11 - Sat, Sep 19
ATW
Appleton
DEN
Denver
$279 Roundtrip, found 10 hours ago
$279
Roundtrip
found 10 hours ago
Select United flight, departing Fri, Sep 11 from Appleton to Denver, returning Sat, Sep 19, priced at $279 found 10 hours ago
American Airlines
Thu, Oct 1 - Mon, Oct 5
ATW
Appleton
DEN
Denver
$289 Roundtrip, just found
$289
Roundtrip
just found
Select American Airlines flight, departing Thu, Oct 1 from Appleton to Denver, returning Mon, Oct 5, priced at $289 just found
Delta
Thu, Nov 5 - Sun, Nov 8
ATW
Appleton
DEN
Denver
$289 Roundtrip, found 6 hours ago
$289
Roundtrip
found 6 hours ago
Select Delta flight, departing Thu, Nov 5 from Appleton to Denver, returning Sun, Nov 8, priced at $289 found 6 hours ago
United
Fri, Aug 28 - Tue, Sep 1
ATW
Appleton
DEN
Denver
$291 Roundtrip, found 10 hours ago
$291
Roundtrip
found 10 hours ago
Select United flight, departing Fri, Aug 28 from Appleton to Denver, returning Tue, Sep 1, priced at $291 found 10 hours ago
United
Fri, Sep 11 - Sat, Sep 19
ATW
Appleton
DEN
Denver
$296 Roundtrip, found 10 hours ago
$296
Roundtrip
found 10 hours ago
Select United flight, departing Fri, Sep 11 from Appleton to Denver, returning Sat, Sep 19, priced at $296 found 10 hours ago
United
Wed, Sep 2 - Tue, Sep 8
ATW
Appleton
DEN
Denver
$301 Roundtrip, found 2 hours ago
$301
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Sep 2 from Appleton to Denver, returning Tue, Sep 8, priced at $301 found 2 hours ago
United
Mon, Aug 24 - Mon, Aug 31
ATW
Appleton
DEN
Denver
$302 Roundtrip, found 1 day ago
$302
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 24 from Appleton to Denver, returning Mon, Aug 31, priced at $302 found 1 day ago
United
Wed, Nov 11 - Sat, Nov 14
ATW
Appleton
DEN
Denver
$303 Roundtrip, found 21 hours ago
$303
Roundtrip
found 21 hours ago
Select United flight, departing Wed, Nov 11 from Appleton to Denver, returning Sat, Nov 14, priced at $303 found 21 hours ago
United
Wed, Jul 22 - Sun, Jul 26
ATW
Appleton
DEN
Denver
$303 Roundtrip, found 3 days ago
$303
Roundtrip
found 3 days ago
Select United flight, departing Wed, Jul 22 from Appleton to Denver, returning Sun, Jul 26, priced at $303 found 3 days 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 $447
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $447

What you need to know for your flight from Appleton Intl. to Denver Intl.

Appleton (ATW) to Denver (DEN) at a glance

Explore various airlines offering flights from Appleton International Airport (ATW) to Denver International Airport (DEN) on this domestic short-haul route. Compare full-service and budget carriers to discover the best options for your travel needs, including cheap flights from Appleton. Whether you're looking for direct flights between Appleton and Denver or finding the right appleton to denver airfare, you can easily plan your trip to enjoy Denver's iconic attractions and vibrant neighborhoods.

  • Fastest flight duration: around 3 hours non-stop
  • Route distance: roughly 900 miles (1,450 km)
  • Flights per week: around 10 departures on average
  • Typical fares (one-way): economy tickets often range from $115–$420, depending on seasonality and how far ahead you book

Flights from Appleton International Airport (ATW) to Denver International Airport (DEN)

Based on the latest traveler bookings, here are the top airlines favored for flights from Appleton to Denver, focusing on both non-stop and one-stop options. Popular layover airports include O'Hare International Airport (ORD) with an average layover of about 1 hour and 15 minutes, Minneapolis-St. Paul International Airport (MSP) also around 1 hour and 15 minutes, and Detroit Metropolitan Wayne County Airport (DTW) with a layover of approximately 1 hour and 30 minutes. These choices provide the flexibility to balance cost, total travel duration, and cabin class for the ideal itinerary.

  • United: This full-service airline provides both non-stop and one-stop flights, with one-way prices generally between $115 and $430. United operates around 72% of departures on this route, with the average non-stop flight lasting approximately 3 hours.
  • Delta: As a full-service carrier, Delta offers one-stop service at one-way fares typically ranging from $115 to $480. It represents about 17% of departures on this route, featuring an in-flight duration of 4 hours and 15 minutes, resulting in a total travel time of roughly 5 hours and 15 minutes, including layover.
  • American Airlines: Another full-service option, American Airlines provides one-stop flights, with one-way fares usually between $115 and $360. This carrier accounts for around 11% of departures on this route, with a flight time of 4 hours and 15 minutes and a total journey time of about 5 hours and 15 minutes, factoring in the layover.

Travelers flying from Appleton to Denver can opt for an upgrade, as United provides first-class service on this route.

Best time to fly from Appleton (ATW) to Denver (DEN)

The most popular months for travelers flying from Appleton to Denver are March, April, and December, when peak temperatures in Denver reach up to 45.3°F in April. If you prefer quieter travel, consider August, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 71.2°F. For better deals, January usually offers the lowest average one-way fare around $209. Flight availability peaks in December, with approximately 14 flights per week, making it easier to find convenient departure times. January, March, April, June, and September have the fewest flights, with approximately 9 flights per week.

  • Cheapest time to fly: January usually offers good deals with average one-way fare around $209, roughly 10% cheaper than the yearly average.
  • More budget-friendly months to fly: August, September, and February typically offer average one-way fares of around $216.
  • Most flight options: December has the highest number of flights from Appleton to Denver, with approximately 14 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January28.4°F (-2.0°C)Average9$209
February28.6°F (-1.9°C)Average10$219
March38.5°F (3.6°C)Slightly High9$279
April45.3°F (7.4°C)Slightly High9$220
May54.0°F (12.2°C)Average12$222
June66.9°F (19.4°C)Average9$269
July72.1°F (22.3°C)Slightly Low10$234
August71.2°F (21.8°C)Slightly Low10$212
September65.1°F (18.4°C)Slightly Low9$217
October50.2°F (10.1°C)Average10$242
November38.5°F (3.6°C)Average13$225
December28.9°F (-1.7°C)Slightly High14$254

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Appleton (ATW) to Denver (DEN)

  • Green Bay to Denver (GRB-DEN): Austin Straubel International Airport (GRB) lies approximately 25 miles from Appleton International Airport (ATW). One-way economy fares on this route generally fluctuate between $85 and $430, influenced by the season and timing of the booking. Travelers can choose from both direct and one-stop flights, with common layover points including O'Hare International Airport (ORD) and Minneapolis - St. Paul International Airport (MSP). Leading airlines for this route are Delta and American Airlines, and first-class service is also offered.
  • Appleton to Colorado Springs (ATW-COS): Colorado Springs Airport (COS) is located about 73 miles from Denver International Airport (DEN). One-way economy fares on this journey typically range from $135 to $410, varying with the season and booking timing. This route features both one-stop and multi-stop flights, with frequent layovers at O'Hare International Airport (ORD) and Denver International Airport (DEN). Major airlines servicing this route include United and Delta.

How to find the best prices for flights from Appleton (ATW) to Denver (DEN)

Getting some of the best deals on flights from Appleton to Denver is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Afternoon departures (12pm-6pm) often offer better prices, while morning flights (5am-12pm) remain the most popular. Additionally, flying on Saturday tends to be cheaper, although Friday is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Denver International Airport from Appleton International Airport

Denver welcomes travelers from Appleton with a range of transport options based on price, convenience, and proximity. Here's how to reach Denver efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Denver, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Denver International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Denver International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Denver International Airport, Jeppesen Terminal Station, a metro station, is conveniently located about 0.1 miles away on foot, providing easy access to public transportation.

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 $184 and cheap return flights from $269 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.

Travel information

Origin airport
Appleton Intl.
Destination airport
Denver Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$269
Distance
881 mi
Average flight time
1 hour 38 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 October. 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 $184 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

*Flight schedules are subject to change.

*Available to One Key members.

 

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