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$154+ 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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — DEN
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Appleton Intl to Denver Intl are usually found in June or July, booked 88 days in advance, depart on a Sunday or Thursday and return on a Thursday

Cheap 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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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 12/258:16 amATW - DEN
Nonstop3h 19mUnited Airlines
Mon 12/295:25 pmDEN - ATW
Nonstop2h 28mUnited Airlines
Deal found 12/15$284
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/248:16 amATW - DEN
Nonstop3h 19mUnited Airlines
Tue 12/306:00 amDEN - ATW
1 stop7h 33mUnited Airlines
Deal found 12/15$294
This American Airlines deal was found by Cheapflights users on 12/14. 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.
Sun 12/213:58 pmATW - DEN
2 stops8h 58mAmerican Airlines
Sun 12/286:44 amDEN - ATW
1 stop7h 44mAmerican Airlines
Deal found 12/14$309
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/235:23 pmATW - DEN
1 stop7h 15mUnited Airlines
Tue 12/305:25 pmDEN - ATW
Nonstop2h 28mUnited Airlines
Deal found 12/15$316
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Sun 12/211:00 pmATW - DEN
1 stop5h 38mUnited Airlines
Sun 12/285:25 pmDEN - ATW
Nonstop2h 28mUnited Airlines
Deal found 12/14$319
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/248:16 amATW - DEN
Nonstop3h 19mUnited Airlines
Thu 1/15:25 pmDEN - ATW
Nonstop2h 28mUnited Airlines
Deal found 12/17$332
This Delta deal was found by Cheapflights users on 12/17. 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.
Wed 12/2412:12 pmATW - DEN
1 stop5h 32mDelta
Sun 12/286:00 amDEN - ATW
1 stop4h 32mDelta
Deal found 12/17$339

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$254
(American Airlines)

One-way from

$154
(American Airlines)

Popular in

March

Cheapest in

June

Average price

$369

Good round-trip deal

$339 or less

Good one-way deal

$278 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.
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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. 17% potential increase in price ($67 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 December 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 December 18, 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

Thu 1/8

8:20 am-10:35 am

Nonstop3h 15m

Denver Intl

Sun 1/11

6:00 am-2:09 pm

1 stop7h 09m

$256

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Thu 3/5

6:50 am-1:35 pm

1 stop7h 45m

Denver Intl

Sun 3/8

6:30 am-11:20 am

1 stop3h 50m

$264

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Fri 1/16

8:20 am-10:35 am

Nonstop3h 15m

Denver Intl

Mon 1/19

5:25 pm-8:50 pm

Nonstop2h 25m

$279

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Thu 2/19

8:21 am-10:35 am

Nonstop3h 14m

Denver Intl

Sun 2/22

5:20 pm-8:51 pm

Nonstop2h 31m

$279

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sun 2/8

2:45 pm-8:13 pm

1 stop6h 28m

Denver Intl

Tue 2/24

5:20 pm-8:51 pm

Nonstop2h 31m

$289

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Thu 1/8

3:39 pm-9:59 pm

1 stop7h 20m

Denver Intl

Tue 1/13

5:25 pm-8:50 pm

Nonstop2h 25m

$289

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Mon 1/26

2:45 pm-8:13 pm

1 stop6h 28m

Denver Intl

Mon 2/2

5:25 pm-8:50 pm

Nonstop2h 25m

$289

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Wed 12/24

8:16 am-10:35 am

Nonstop3h 19m

Denver Intl

Thu 1/1

6:00 am-12:15 pm

1 stop5h 15m

$294

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Thu 2/19

6:31 pm-10:36 pm

1 stop5h 05m

Denver Intl

Tue 2/24

12:19 pm-8:28 pm

1 stop7h 09m

$304

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Wed 12/24

11:00 am-5:32 pm

1 stop7h 32m

Denver Intl

Thu 1/1

6:00 am-11:32 am

1 stop4h 32m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 20 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 December.
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 December 12, 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, 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 $181). 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 December 18, 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 December 13, 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. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Appleton to Denver?

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 December 18, 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
8,005 reviews

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,005 reviews
Delta
7.9
Good
8,005 reviews

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,091 reviews
Delta
7.9
Good
8,005 reviews

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,054 reviews
Delta
7.9
Good
8,005 reviews

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Allegiant Air
7.2
Good
700 reviews
Delta
7.9
Good
8,005 reviews

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • 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 $256, United Airlines can have you in Denver from Appleton in 3h 15m. 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 $96, 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 United Airlines and American Airlines - these airlines can fly you to your destination from $223 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 cheapest airlines to fly from Appleton to Denver one-way?

    One-way options have recently been found by users for as low as $61 on Allegiant Air. Other airlines that offer cheap prices include American Airlines from $89 and Delta from $168 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 (75%), United Airlines (75%) or Allegiant Air (50%) 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 $223. On average you can expect to pay $463. The most popular route, (Appleton Intl - Denver Intl), can usually be booked for $212.

  • 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 $51 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 $181). 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
Thornton
Broomfield
Westminster
Winter Park
Golden
Greeley
Lone Tree
Lakewood
Cripple Creek
Silverthorne
Central City
Frisco
Wheat Ridge
Manitou Springs
Fort Morgan
Brighton
Longmont
Idaho Springs
Evergreen

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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$98Average$176FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$228Average$323FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$303FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$232Average$414FlexibilityNo cancel feeOn-time69%

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