HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denver

$65+ Cheap flights from Appleton to Denver (ATW - DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — DEN
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Appleton to Denver with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Appleton Intl to Denver Intl are usually found in September or June, booked 88 days in advance, depart on a Sunday or Thursday and return on a Thursday

Cheap flight deals from Appleton to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Appleton (ATW) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated junio 12, 2025.

Round-trip from

$122
(Cheapflightsfares)

One-way from

$65
(Booking.com)

Popular in

March

Cheapest in

September

Average price

$222

Good round-trip deal

$162 or less

Good one-way deal

$153 or less
From Appleton Intl to Denver Intl
Search Deals
One-way flight from Appleton Intl to Denver Intl
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Appleton Intl to Denver Intl.
Search Deals
Price to beat on a one-way flight from Appleton Intl to Denver Intl.
Search Deals

Find flight deals from Appleton to Denver

Cheapest flights from Appleton to Denver
Explore the most affordable flight options available from Appleton to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/110:00 amATW - DEN
Nonstop2h 33mAllegiant Air
mar. 7/812:23 pmDEN - ATW
Nonstop2h 19mAllegiant Air
Deal found 6/12$116
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/223:25 pmATW - DEN
1 stop8h 30mAmerican Airlines
lun. 8/255:32 pmDEN - ATW
1 stop5h 02mAmerican Airlines
Deal found 6/12$219
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/226:07 pmATW - DEN
1 stop5h 59mDelta
sáb. 8/26:35 amDEN - ATW
1 stop3h 43mDelta
Deal found 6/10$229
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/56:30 amATW - DEN
1 stop5h 05mUnited Airlines
sáb. 7/125:20 pmDEN - ATW
Nonstop2h 34mUnited Airlines
Deal found 6/10$259
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/110:00 amATW - DEN
Nonstop2h 33mMultiple Airlines
jue. 7/106:00 amDEN - ATW
3 stops25h 12mMultiple Airlines
Deal found 6/10$307

Cheapflights Fare Finder

Customize your flight search to find flights from Appleton to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
Use the filters below to find and compare flights from Appleton to Denver that are best for you.

Fly from

Appleton

Fly to

Denver

Route

Depart

Return

Price

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

mar. 7/1

10:00 am-11:33 am

Nonstop2h 33m

Denver Intl

mar. 7/8

12:23 pm-3:42 pm

Nonstop2h 19m

$116

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

vie. 8/22

3:25 pm-10:55 pm

1 stop8h 30m

Denver Intl

lun. 8/25

5:32 pm-11:34 pm

1 stop5h 02m

$219

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

mar. 7/22

6:07 pm-11:06 pm

1 stop5h 59m

Denver Intl

sáb. 8/2

6:35 am-11:18 am

1 stop3h 43m

$229

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

sáb. 7/5

6:30 am-10:35 am

1 stop5h 05m

Denver Intl

sáb. 7/12

5:20 pm-8:54 pm

Nonstop2h 34m

$259

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

mar. 7/1

10:00 am-11:33 am

Nonstop2h 33m

Denver Intl

jue. 7/10

6:00 am-8:12 am

3 stops25h 12m

$307

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

mar. 7/1

10:00 am-11:33 am

Nonstop2h 33m

$65

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

jue. 7/10

6:10 pm-10:47 pm

1 stop5h 37m

$110

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

mié. 8/13

6:28 am-11:49 pm

2 stops18h 21m

$213

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

sáb. 7/19

8:40 am-10:32 am

Nonstop2h 52m

$224

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

vie. 8/1

9:02 am-3:07 pm

2 stops31h 05m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Best time to book a flight from Appleton to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Appleton with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Appleton to Denver

How far ahead should I book a flight from Appleton to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Appleton to Denver. Price data was last updated on June 9, 2025.

The best time to book flights from Appleton to Denver is 88 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Appleton to Denver?

Currently, October is the cheapest month in which you can book a flight from Appleton to Denver (average of $197). Flying from Appleton to Denver in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ATW to DEN?

Find hourly flight availability from Appleton to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

When flying from Appleton to Denver, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 80% versus a flight in the morning.

What is the cheapest day to fly from Appleton to Denver?

Use this chart to determine the cheapest time to fly round-trip from Appleton to Denver. Price data was last updated on June 8, 2025.

Travelers seeking maximum savings on their Appleton to Denver flight should consider departing on Wednesday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Appleton to Denver

Explore weekly flight availability from Appleton to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated junio 12, 2025.

The most flights from ATW to DEN are scheduled on a Thursday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated junio 12, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and Allegiant Air from Appleton to Denver by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.3
Good
725 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Appleton to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Appleton to Denver?

    If you wish to fly to Denver from Appleton, then you need to book flights from Appleton Intl to Denver Intl. There is 1 flight from Appleton Intl (ATW) to Denver Intl (DEN) per day to choose from. Flights to Denver from Appleton Intl are available from 4 different airlines, which means you should have some options if you want to compare airfare deals. 2h 30m is how long a nonstop flight from Appleton to Denver Intl typically takes.

  • How popular is this Appleton to Denver flight route?

    This flight path from Appleton Intl to Denver Intl was viewed by 17 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Appleton to Denver round-trip?

    Currently priced at $122, Allegiant Air will fly you from Appleton to Denver and back. In addition to Allegiant Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $219 and $229, respectively. Allegiant Air is priced at 62% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Appleton to Denver one-way?

    One-way options have recently been found by users for as low as $65 on Allegiant Air. Other airlines that offer cheap prices include American Airlines from $110 and Delta from $213 one-way.

  • What are the most reliable airlines from Appleton to Denver?

    No one likes to see their flight delayed. When booking a flight from Appleton to Denver consider choosing SkyWest Airlines (90%), United Airlines (90%) or Allegiant Air (33%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Appleton to Denver?

    The cheapest flight price from Appleton to Denver is $85. On average you can expect to pay $280. The most popular route, (Appleton Intl - Denver Intl), can usually be booked for $98.

  • Where are the most common layover locations when flying from Appleton to Denver?

    Appleton to Denver flights have a layover in Chicago most often.

  • What are some popular things to do or see while on a layover in Chicago?

    Most Chicago visitors opt to spend their time experiencing Magnificent Mile, River North, and Grant Park. Magnificent Mile, River North, and Grant Park can be accessed by traveling approximately 15.5 mi, 15.0 mi, and 16.2 mi, respectively from Chicago O'Hare Intl. Travelers in need of a car in Chicago can rent one for about $56 per day.

  • Where are the least popular layover locations for Appleton to Denver flights?

    Appleton to Denver flights that have layovers will least frequently stop in Minneapolis.

  • Can I find deals for flights from Appleton to Denver that include hotel bookings?

    Yes. In addition to deals on Appleton to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Appleton to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Appleton to Denver.

  • Can I find deals for business class flights from Appleton to Denver?

    Yes. Cheapflights offers flight deals from Appleton to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Appleton to Denver?

    Currently, October is the cheapest month in which you can book a flight from Appleton to Denver (average of $197). Flying from Appleton to Denver in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Appleton?

Book flights to Appleton if you plan to visit one of these locations
Westminster
Black Hawk
Winter Park
Lakewood
Cripple Creek
Golden
Brighton
Silverthorne
Thornton
Frisco
Grand Lake
Broomfield
Central City
Glendale
Copper Mountain
Wheat Ridge
Longmont
Idaho Springs
Greeley
Limon

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Appleton to Denver

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Denver flights
Minneapolis to Denver flights
Madison to Denver flights
Milwaukee to Denver flights
O'Hare Intl to Colorado Springs flights
O'Hare Intl to Aspen flights
O'Hare Intl to Vail flights
Green Bay to Denver flights
O'Hare Intl to Montrose flights
Minneapolis to Colorado Springs flights
O'Hare Intl to Grand Junction flights
O'Hare Intl to Durango flights
O'Hare Intl to Hayden flights
Duluth to Denver flights
Milwaukee to Durango flights
Minneapolis to Vail flights
Minneapolis to Aspen flights
Minneapolis to Durango flights
Milwaukee to Montrose flights
Minneapolis to Montrose flights
Minneapolis to Grand Junction flights
Wausau to Denver flights
O'Hare Intl to Gunnison flights
Milwaukee to Colorado Springs flights
Green Bay to Colorado Springs flights
Milwaukee to Hayden flights
Madison to Montrose flights
Milwaukee to Gunnison flights
Madison to Durango flights
Rhinelander to Denver flights
Minneapolis to Hayden flights
Eau Claire to Denver flights
Madison to Grand Junction flights
Appleton to Colorado Springs flights
Milwaukee to Grand Junction flights
Dubuque to Denver flights
Madison to Colorado Springs flights
Escanaba to Denver flights
Appleton to Durango flights
La Crosse to Denver flights
Milwaukee to Aspen flights
Madison to Aspen flights
Green Bay to Grand Junction flights
Appleton to Aspen flights
Green Bay to Durango flights
La Crosse to Aspen flights
Appleton to Grand Junction flights
Minneapolis to Gunnison flights

Top 4 airlines flying from Appleton to Denver

Discover the top 4 airlines that operate flights from Appleton to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$90Average$170FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$218Average$299FlexibilityNo cancel feeOn-time71%
DeltaCheapest$218Average$295FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$250Average$417FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.