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$118+ 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — DEN
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Appleton Intl to Denver Intl are usually found in June or July, booked 87 days in advance, depart on a Sunday or Thursday and return on a Thursday

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 November 3, 2025.

This United Airlines deal was found by Cheapflights users on 11/2. 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.
Fri 12/52:32 pmATW - DEN
1 stop6h 32mUnited Airlines
Tue 12/95:31 pmDEN - ATW
Nonstop2h 29mUnited Airlines
Deal found 11/2$219
This Delta deal was found by Cheapflights users on 11/3. 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.
Sat 12/611:13 amATW - DEN
1 stop7h 14mDelta
Tue 12/91:16 pmDEN - ATW
1 stop7h 48mDelta
Deal found 11/3$229
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Fri 12/53:48 pmATW - DEN
1 stop8h 05mAmerican Airlines
Tue 12/97:49 amDEN - ATW
2 stops10h 20mAmerican Airlines
Deal found 11/2$234
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Sat 12/69:39 amATW - DEN
1 stop8h 10mAmerican Airlines
Tue 12/97:49 amDEN - ATW
2 stops10h 20mAmerican Airlines
Deal found 11/2$238
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Thu 11/206:30 amATW - DEN
1 stop5h 05mUnited Airlines
Mon 11/245:29 pmDEN - ATW
Nonstop2h 29mUnited Airlines
Deal found 11/2$239
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Wed 12/35:20 pmATW - DEN
1 stop5h 36mUnited Airlines
Mon 12/85:31 pmDEN - ATW
Nonstop2h 29mUnited Airlines
Deal found 11/1$241
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/71:53 pmATW - DEN
2 stops45h 25mMultiple Airlines
Fri 12/123:12 pmDEN - ATW
1 stop5h 41mMultiple Airlines
Deal found 11/1$242
This Delta deal was found by Cheapflights users on 11/1. 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.
Thu 11/2011:08 amATW - DEN
1 stop7h 17mDelta
Mon 11/245:45 amDEN - ATW
1 stop4h 48mDelta
Deal found 11/1$249
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Thu 12/256:15 amATW - DEN
1 stop5h 20mUnited Airlines
Sat 1/36:00 amDEN - ATW
1 stop5h 15mUnited Airlines
Deal found 11/1$251
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Sat 12/134:08 pmATW - DEN
1 stop8h 13mAmerican Airlines
Tue 12/167:49 amDEN - ATW
2 stops10h 20mAmerican Airlines
Deal found 11/2$254
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 11/265:31 pmATW - DEN
1 stop6h 44mUnited Airlines
Sat 12/65:31 pmDEN - ATW
Nonstop2h 29mUnited Airlines
Deal found 11/2$262

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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$216
(Kiwi.com)

One-way from

$118
(Kiwi.com)

Popular in

March

Cheapest in

June

Average price

$339

Good round-trip deal

$318 or less

Good one-way deal

$282 or less
Provider with most accurate pricing for Appleton Intl-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Appleton Intl-Denver Intl flights.
Search Deals
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. 16% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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

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 November 3, 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

Fri 1/23

2:45 pm-9:59 pm

1 stop8h 14m

Denver Intl

Tue 1/27

5:25 pm-8:50 pm

Nonstop2h 25m

$219

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Tue 2/3

12:03 pm-4:41 pm

1 stop5h 38m

Denver Intl

Wed 2/11

1:16 pm-9:58 pm

1 stop7h 42m

$229

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sat 12/20

5:23 pm-11:38 pm

1 stop7h 15m

Denver Intl

Thu 12/25

7:45 am-2:33 pm

1 stop5h 48m

$229

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sat 12/13

4:18 pm-8:02 pm

1 stop4h 44m

Denver Intl

Tue 12/16

1:16 pm-10:04 pm

1 stop7h 48m

$229

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Wed 12/3

5:20 pm-9:56 pm

1 stop5h 36m

Denver Intl

Sun 12/7

6:00 am-1:57 pm

1 stop6h 57m

$229

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sat 11/22

4:18 pm-7:31 pm

1 stop4h 13m

Denver Intl

Thu 11/27

5:45 am-11:33 am

1 stop4h 48m

$229

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sat 2/7

4:20 pm-8:07 pm

1 stop4h 47m

Denver Intl

Wed 2/25

10:20 am-5:42 pm

1 stop6h 22m

$249

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Fri 12/5

4:18 pm-7:42 pm

1 stop4h 24m

Denver Intl

Fri 12/12

1:59 pm-9:20 pm

1 stop6h 21m

$249

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Tue 2/3

12:03 pm-4:41 pm

1 stop5h 38m

Denver Intl

Tue 2/10

1:16 pm-9:58 pm

1 stop7h 42m

$249

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Fri 11/21

7:00 am-2:15 pm

1 stop8h 15m

Denver Intl

Mon 11/24

5:45 am-11:33 am

1 stop4h 48m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 19 results
1
2

Compare providers for flights from Appleton to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Appleton to Denver in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Appleton-Denver flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Appleton-Denver flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Appleton-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Appleton-Denver flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Appleton-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 October 31, 2025.

The best time to book flights from Appleton to Denver is 87 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, February is the cheapest month in which you can book a flight from Appleton to Denver (average of $36). Flying from Appleton to Denver in January is currently the most expensive (average of $166). 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 November 3, 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 78% 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 November 2, 2025.

Travelers seeking maximum savings on their Appleton to Denver flight should consider departing on Tuesday 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.

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 November 3, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines 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
7.9
Good
8,002 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Delta
7.9
Good
8,002 reviews
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
United Airlines
7.4
Good
8,997 reviews
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
American Airlines
7.2
Good
11,038 reviews
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Allegiant Air
7.2
Good
694 reviews
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

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 37m 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 11 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Appleton to Denver?

    For as low as $229, United Airlines can have you in Denver from Appleton in 5h 38m. Airlines will cover a distance of 880 mi. This flight may include one or multiple stops.

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

    Currently priced at $98, 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 Delta and American Airlines - these airlines can fly you to your destination from $228 and $228, respectively. Allegiant Air is priced at 69% lower than the current average price of a flight leaving 3 months from now.

  • 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 (87%), United Airlines (87%) or Allegiant Air (63%) 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 $133. On average you can expect to pay $644. The most popular route, (Appleton Intl - Denver Intl), can usually be booked for $202.

  • 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 $58 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, February is the cheapest month in which you can book a flight from Appleton to Denver (average of $36). Flying from Appleton to Denver in January is currently the most expensive (average of $166). 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 Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Westminster
Broomfield
Lakewood
Golden
Winter Park
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Central City
Manitou Springs
Fort Morgan
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker
Sterling

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Alternative routes for Appleton to Denver

See prices for flight routes from nearby airports that may be better suited for you.
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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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$98Average$174FlexibilityNo cancel feeOn-time88%
DeltaCheapest$228Average$298FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$327FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$237Average$420FlexibilityNo cancel feeOn-time69%

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