Denver

$103+ 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 6/26. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — DEN
Feb 28 — Mar 71
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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”

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Cheapflights Tip: The best prices from Appleton Intl to Denver Intl are usually found in July 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

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 January 29, 2026.

This Mytrip deal was found by Cheapflights users on 1/28. 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.
Mon 5/255:05 pm
ATW
-
DEN
Nonstop2h 39m
Allegiant Air
Mon 6/17:34 pm
DEN
-
ATW
Nonstop2h 15m
Allegiant Air
Deal found 1/28$160
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Sat 5/233:47 pm
ATW
-
DEN
1 stop7h 12m
United Airlines
Sat 5/305:40 pm
DEN
-
ATW
Nonstop2h 25m
United Airlines
Deal found 1/28$219
This Delta deal was found by Cheapflights users on 1/27. 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.
Tue 4/287:00 am
ATW
-
DEN
1 stop7h 57m
Delta
Tue 5/56:30 am
DEN
-
ATW
1 stop3h 54m
Delta
Deal found 1/27$229
This Booking.com deal was found by Cheapflights users on 1/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:05 pm
ATW
-
DEN
Nonstop2h 39m
Allegiant Air
Mon 6/87:29 pm
DEN
-
ATW
Nonstop2h 15m
Allegiant Air
Deal found 1/27$230
This American Airlines deal was found by Cheapflights users on 1/28. 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 2/216:35 pm
ATW
-
DEN
1 stop5h 02m
American Airlines
Thu 2/267:00 am
DEN
-
ATW
2 stops9h 52m
American Airlines
Deal found 1/28$234
This Booking.com deal was found by Cheapflights users on 1/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/54:58 pm
ATW
-
DEN
Nonstop2h 41m
Allegiant Air
Fri 6/127:29 pm
DEN
-
ATW
Nonstop2h 15m
Allegiant Air
Deal found 1/27$235
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Mon 6/84:58 pm
ATW
-
DEN
Nonstop2h 41m
Allegiant Air
Fri 6/127:29 pm
DEN
-
ATW
Nonstop2h 15m
Allegiant Air
Deal found 1/27$237
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/118:20 am
ATW
-
DEN
Nonstop3h 15m
United Airlines
Sat 2/217:45 am
DEN
-
ATW
1 stop5h 13m
United Airlines
Deal found 1/28$239
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Mon 6/295:35 pm
ATW
-
DEN
1 stop6h 43m
United Airlines
Sat 7/45:40 pm
DEN
-
ATW
Nonstop2h 14m
United Airlines
Deal found 1/28$240
This United Airlines deal was found by Cheapflights users on 1/27. 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 6/58:30 am
ATW
-
DEN
Nonstop2h 45m
United Airlines
Sun 6/75:40 pm
DEN
-
ATW
Nonstop2h 25m
United Airlines
Deal found 1/27$243

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$160
(Mytrip)

One-way from

$103
(Kiwi.com)

Popular in

March

Cheapest in

July

Average price

$373

Good round-trip deal

$355 or less

Good one-way deal

$304 or less
Provider with most accurate pricing for Appleton Intl-Denver Intl flight deals.
Provider most trusted by Cheapflights users for Appleton Intl-Denver Intl flights.
From Appleton Intl to Denver Intl
One-way flight from Appleton Intl to Denver Intl
Highest demand for flights based on searches. 19% potential increase in price ($74 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from Appleton Intl to Denver Intl.
Price to beat on a one-way flight from Appleton Intl to Denver Intl.

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 January 29, 2026.
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

Tue 4/14

12:05 pm-3:36 pm

1 stop4h 31m

Denver Intl

Sat 4/25

6:30 am-11:24 am

1 stop3h 54m

$229

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Thu 7/2

4:05 pm-10:29 pm

1 stop7h 24m

Denver Intl

Sat 7/4

6:10 am-11:11 am

1 stop4h 01m

$229

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Wed 5/20

4:05 pm-10:29 pm

1 stop7h 24m

Denver Intl

Sun 5/24

6:10 am-11:11 am

1 stop4h 01m

$229

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Fri 6/5

5:30 pm-9:59 pm

1 stop5h 29m

Denver Intl

Tue 6/9

6:00 am-2:00 pm

1 stop7h 00m

$254

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Tue 3/17

11:14 am-5:17 pm

1 stop7h 03m

Denver Intl

Mon 3/23

6:20 am-11:25 am

1 stop4h 05m

$254

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sat 5/16

8:35 am-10:35 am

Nonstop3h 00m

Denver Intl

Sat 5/23

5:40 pm-9:05 pm

Nonstop2h 25m

$280

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Fri 5/29

8:30 am-10:15 am

Nonstop2h 45m

Denver Intl

Sun 5/31

5:40 pm-9:05 pm

Nonstop2h 25m

$284

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Fri 5/15

5:33 pm-11:30 pm

1 stop6h 57m

Denver Intl

Sun 5/24

5:40 pm-9:05 pm

Nonstop2h 25m

$289

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sat 3/14

5:23 pm-9:55 pm

1 stop5h 32m

Denver Intl

Wed 3/18

6:00 am-11:58 am

1 stop4h 58m

$299

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Thu 4/16

5:30 pm-11:44 pm

1 stop7h 14m

Denver Intl

Sun 4/19

6:00 am-2:00 pm

1 stop7h 00m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 21 results
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Appleton-Denver flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 January 23, 2026.

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 $209). 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 January 29, 2026.

When flying from Appleton to Denver, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 January 29, 2026.
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.

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

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.

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

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.

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

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.

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

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.

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

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.
  • 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 31m is how long a nonstop flight from Appleton to Denver Intl typically takes.

  • How popular is this Appleton to Denver flight route?

  • How long is the flight from Appleton to Denver?

    For as low as $229, Delta can have you in Denver from Appleton in 4h 31m. 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 $95, 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 70% 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 cheapest flights from Appleton to Denver?

    The cheapest flight price from Appleton to Denver is $168. On average you can expect to pay $418. The most popular route, (Appleton Intl - Denver Intl), can usually be booked for $178.

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

  • 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 $50 per day.

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

  • 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 $209). 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
Thornton
Black Hawk
Lakewood
Broomfield
Westminster
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Cripple Creek
Winter Park
Central City
Glendale
Manitou Springs
Frisco
Fort Morgan
Brighton
Evergreen

Browse thousands of different options on Cheapflights for your next trip

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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.

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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$95Average$168FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$223Average$402FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$325FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$303FlexibilityNo cancel feeOn-timeN/A

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