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$151+ Cheap flights from Appleton (ATW) to Colorado

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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — DEN
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Find flight deals from Appleton to Colorado

Cheapest flights from Appleton to Colorado
Explore the most affordable flight options available from Appleton to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This United Airlines deal was found by Cheapflights users on 11/19. 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 12/33:42 pmATW - DEN
1 stop5h 22mUnited Airlines
Sat 1/105:25 pmDEN - ATW
Nonstop2h 25mUnited Airlines
Deal found 11/19$239
This Kiwi.com deal was found by Cheapflights users on 11/19. 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.
Fri 12/126:00 amATW - DEN
1 stop17h 56mMultiple Airlines
Wed 1/77:42 pmDEN - ATW
1 stop17h 38mMultiple Airlines
Deal found 11/19$241
This United Airlines deal was found by Cheapflights users on 11/18. 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 12/133:42 pmATW - DEN
1 stop5h 22mUnited Airlines
Sun 12/146:00 amDEN - ATW
1 stop6h 57mUnited Airlines
Deal found 11/18$247
This Delta deal was found by Cheapflights users on 11/18. 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 12/65:31 amATW - DEN
1 stop8h 35mDelta
Thu 12/115:45 amDEN - ATW
1 stop4h 55mDelta
Deal found 11/18$249
This American Airlines deal was found by Cheapflights users on 11/19. 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 12/65:10 amATW - DEN
2 stops9h 43mAmerican Airlines
Sat 12/137:17 amDEN - ATW
1 stop7h 19mAmerican Airlines
Deal found 11/19$254
This United Airlines deal was found by Cheapflights users on 11/18. 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 12/225:23 pmATW - DEN
1 stop7h 15mUnited Airlines
Mon 12/296:00 amDEN - ATW
1 stop7h 33mUnited Airlines
Deal found 11/18$257
This Kiwi.com deal was found by Cheapflights users on 11/19. 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.
Fri 12/126:00 amATW - DEN
1 stop17h 56mMultiple Airlines
Thu 1/86:00 amDEN - ATW
2 stops15h 15mMultiple Airlines
Deal found 11/19$258
This United Airlines deal was found by Cheapflights users on 11/20. 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 12/58:30 amATW - DEN
Nonstop3h 05mUnited Airlines
Tue 12/91:25 pmDEN - ATW
1 stop7h 07mUnited Airlines
Deal found 11/20$259
This American Airlines deal was found by Cheapflights users on 11/18. 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 12/64:08 pmATW - DEN
1 stop8h 13mAmerican Airlines
Tue 12/96:21 amDEN - ATW
2 stops11h 48mAmerican Airlines
Deal found 11/18$260
This Delta deal was found by Cheapflights users on 11/19. 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 12/107:00 amATW - DEN
1 stop8h 12mDelta
Mon 1/52:42 pmDEN - ATW
1 stop5h 47mDelta
Deal found 11/19$264
This Delta deal was found by Cheapflights users on 11/19. 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 12/135:31 amATW - COS
1 stop8h 05mDelta
Tue 12/161:42 pmCOS - ATW
1 stop7h 22mDelta
Deal found 11/19$284
This Delta deal was found by Cheapflights users on 11/19. 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 12/135:31 amATW - COS
1 stop8h 05mDelta
Wed 12/171:42 pmCOS - ATW
1 stop7h 22mDelta
Deal found 11/19$309

Cheap flight deals from Appleton to Colorado

Keep the following information in mind while searching for Appleton to Colorado flight deals. Data was last updated November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$216
(United Airlines)

One-way from

$151
(Mytrip)

Popular in

March

Cheapest in

June

Average price

$349

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 Colorado
Search Deals
One-way flight from Appleton Intl to Colorado
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($66 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 Colorado.
Search Deals
Price to beat on a one-way flight from Appleton Intl to Colorado.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Appleton to Colorado 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 20, 2025.
Use the filters below to find and compare flights from Appleton to Colorado that are best for you.

Fly from

Appleton

Fly to

Colorado

Route

Depart

Return

Price

AppletonGrand Junction

ATW - GJT

ATWGJT

Appleton Intl

Fri 1/23

12:35 pm-10:27 pm

2 stops10h 52m

Grand Junction Regnl

Tue 1/27

1:38 pm-8:50 pm

1 stop6h 12m

$216

AppletonGrand Junction

ATW - GJT

ATWGJT

Appleton Intl

Sat 1/31

3:39 pm-10:27 pm

2 stops7h 48m

Grand Junction Regnl

Wed 2/4

1:38 pm-8:50 pm

1 stop6h 12m

$241

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Fri 12/5

4:18 pm-7:42 pm

1 stop4h 24m

Denver Intl

Wed 12/17

5:45 am-11:40 am

1 stop4h 55m

$249

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sat 12/6

4:18 pm-8:02 pm

1 stop4h 44m

Denver Intl

Tue 12/16

1:16 pm-10:04 pm

1 stop7h 48m

$249

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sat 12/6

7:00 am-2:38 pm

1 stop8h 38m

Denver Intl

Tue 12/9

1:16 pm-10:04 pm

1 stop7h 48m

$249

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sun 12/7

5:31 am-2:07 pm

1 stop9h 36m

Denver Intl

Tue 12/16

1:16 pm-10:04 pm

1 stop7h 48m

$249

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sun 2/8

6:45 am-1:33 pm

1 stop7h 48m

Denver Intl

Tue 2/24

2:42 pm-9:29 pm

1 stop5h 47m

$264

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Wed 12/3

3:42 pm-8:04 pm

1 stop5h 22m

Denver Intl

Sun 12/7

6:00 am-1:57 pm

1 stop6h 57m

$282

AppletonDurango

ATW - DRO

ATWDRO

Appleton Intl

Sat 1/24

12:35 pm-8:31 pm

2 stops8h 56m

Durango La Plata County

Tue 1/27

1:38 pm-8:50 pm

1 stop6h 12m

$284

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Tue 2/10

12:03 pm-4:41 pm

1 stop5h 38m

Denver Intl

Tue 2/17

7:10 am-3:34 pm

1 stop7h 24m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 45 results
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Best time to book a flight from Appleton to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado 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 Colorado

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

Currently, February is the cheapest month in which you can book a flight from Appleton to Colorado (average of $36). Flying from Appleton to Colorado 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 CO?

Find hourly flight availability from Appleton to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2025.

One of the essential ways to save on airfare from Appleton to Colorado is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 84% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Appleton to Colorado. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Appleton to Colorado

Explore weekly flight availability from Appleton to Colorado. 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 November 20, 2025.

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

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated November 20, 2025.
Read through reviews of airlines operating flights from Appleton to Colorado, such as Delta, United Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,002 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

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
8,002 reviews
Delta
7.9
Good
8,002 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

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
9,028 reviews
Delta
7.9
Good
8,002 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

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
11,047 reviews
Delta
7.9
Good
8,002 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

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
8,002 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

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 Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Appleton to Colorado?

    For a flight from Appleton to Colorado, you will be flying from Appleton Intl. Appleton Intl (ATW) is just 5.1 mi from the center of the city.

  • How popular is this Appleton to Colorado flight route?

    The Appleton Intl to Colorado flight path 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 Colorado?

    Airlines like United Airlines, Delta, and American Airlines fly from Appleton to Colorado in about 4h 24m. The time it takes to get you to your destination can typically vary by up to 6h 28m. Appleton and Colorado are separated by a distance of 880 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $224. Allegiant Air flights start at $279 while deals on American Airlines start at $310 one-way.

  • What are the most popular routes from Appleton to Colorado?

    When deciding which route to take from Appleton to Colorado consider Appleton Intl - Denver Intl, Appleton Intl - Colorado Springs or Appleton Intl - Grand Junction Regnl as they are the most popular.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Appleton to Colorado on time: SkyWest Airlines (89%), United Airlines (89%), Allegiant Air (56%).

  • What are the cheapest flights from Appleton to Colorado?

    While on average a flight from Appleton to Colorado is generally $644, our data shows the cheapest flight currently is $133. When looking at the most popular route, (Appleton Intl - Denver Intl), you can expect to pay $209 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Appleton to Colorado 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 Colorado?

    Currently, February is the cheapest month in which you can book a flight from Appleton to Colorado (average of $36). Flying from Appleton to Colorado 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.

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Top 4 airlines flying from Appleton to Colorado

Discover the top 4 airlines that operate flights from Appleton to Colorado. 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$98Average$174FlexibilityNo cancel feeOn-time88%
DeltaCheapest$199Average$286FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$228Average$524FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$423FlexibilityNo cancel feeOn-time71%

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