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$83+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — DEN
août 23 — août 301
sam. 8/23
sam. 8/30
1 adult, Economy
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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 août 18, 2025.

Round-trip from

$122
(Cheapflightsfares)

One-way from

$83
(Booking.com)

Popular in

March

Cheapest in

June

Average price

$269

Good round-trip deal

$153 or less

Good one-way deal

$165 or less
From Appleton Intl to Colorado
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One-way flight from Appleton Intl to Colorado
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Highest demand for flights based on searches. 15% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Appleton Intl to Colorado.
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Price to beat on a one-way flight from Appleton Intl to Colorado.
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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 août 18, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 10/124:55 pmATW - DEN
Nonstop2h 37mAllegiant Air
jeu. 10/167:22 pmDEN - ATW
Nonstop2h 15mAllegiant Air
Deal found 8/17$122
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/43:20 pmATW - DEN
Nonstop2h 34mAllegiant Air
dim. 9/75:44 pmDEN - ATW
Nonstop2h 17mAllegiant Air
Deal found 8/17$129
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/43:20 pmATW - DEN
Nonstop2h 34mAllegiant Air
jeu. 9/115:44 pmDEN - ATW
Nonstop2h 17mAllegiant Air
Deal found 8/17$141
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 8/311:05 pmATW - DEN
Nonstop2h 34mAllegiant Air
jeu. 9/115:44 pmDEN - ATW
Nonstop2h 17mAllegiant Air
Deal found 8/17$150
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 10/194:55 pmATW - DEN
Nonstop2h 37mAllegiant Air
jeu. 10/235:52 pmDEN - ATW
Nonstop2h 15mAllegiant Air
Deal found 8/17$157
This Booking.com deal was found by Cheapflights users on 8/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/43:20 pmATW - DEN
Nonstop2h 34mAllegiant Air
dim. 9/145:44 pmDEN - ATW
Nonstop2h 17mAllegiant Air
Deal found 8/17$160
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
jeu. 10/94:55 pmATW - DEN
Nonstop2h 37mAllegiant Air
jeu. 10/167:22 pmDEN - ATW
Nonstop2h 15mAllegiant Air
Deal found 8/16$163
This Cheapflightsfares deal was found by Cheapflights users on 8/16. 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.
dim. 9/73:20 pmATW - DEN
Nonstop2h 34mAllegiant Air
jeu. 9/115:44 pmDEN - ATW
Nonstop2h 17mAllegiant Air
Deal found 8/16$164
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/164:55 pmATW - DEN
Nonstop2h 37mAllegiant Air
jeu. 10/235:52 pmDEN - ATW
Nonstop2h 15mAllegiant Air
Deal found 8/17$180
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 9/283:20 pmATW - DEN
Nonstop2h 34mAllegiant Air
jeu. 10/25:52 pmDEN - ATW
Nonstop2h 15mAllegiant Air
Deal found 8/17$191
This Delta deal was found by Cheapflights users on 8/17. 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.
mar. 9/235:35 amATW - COS
1 stop7h 31mDelta
mar. 9/301:11 pmCOS - ATW
1 stop8h 29mDelta
Deal found 8/17$298
This American Airlines deal was found by Cheapflights users on 8/16. 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.
sam. 9/66:33 amATW - ASE
1 stop6h 09mAmerican Airlines
ven. 9/1212:14 pmASE - ATW
1 stop4h 33mAmerican Airlines
Deal found 8/16$304

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 août 18, 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

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

jeu. 9/4

3:20 pm-4:54 pm

Nonstop2h 34m

Denver Intl

dim. 9/14

5:44 pm-9:01 pm

Nonstop2h 17m

$160

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

dim. 9/28

3:20 pm-4:54 pm

Nonstop2h 34m

Denver Intl

jeu. 10/2

5:52 pm-9:07 pm

Nonstop2h 15m

$160

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

dim. 9/7

3:20 pm-4:54 pm

Nonstop2h 34m

Denver Intl

jeu. 9/11

5:44 pm-9:01 pm

Nonstop2h 17m

$164

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

jeu. 10/9

4:55 pm-6:32 pm

Nonstop2h 37m

Denver Intl

dim. 10/12

7:22 pm-10:37 pm

Nonstop2h 15m

$216

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

mer. 10/1

6:45 pm-11:30 pm

1 stop5h 45m

Denver Intl

mar. 10/7

5:20 pm-8:56 pm

Nonstop2h 36m

$219

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

mer. 9/24

2:41 pm-8:12 pm

1 stop6h 31m

Denver Intl

sam. 9/27

5:20 pm-8:56 pm

Nonstop2h 36m

$219

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

jeu. 11/20

7:00 am-2:03 pm

1 stop8h 03m

Denver Intl

jeu. 11/27

10:50 am-3:33 pm

1 stop3h 43m

$229

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

sam. 10/11

4:17 pm-7:30 pm

1 stop4h 13m

Denver Intl

sam. 10/25

10:24 am-4:12 pm

1 stop4h 48m

$229

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

mer. 10/29

5:41 am-1:52 pm

1 stop9h 11m

Denver Intl

sam. 11/1

6:05 am-11:25 am

1 stop4h 20m

$229

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

ven. 10/31

12:05 pm-3:41 pm

1 stop4h 36m

Denver Intl

sam. 11/1

6:05 am-11:25 am

1 stop4h 20m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 39 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, October is the cheapest month in which you can book a flight from Appleton to Colorado (average of $197). Flying from Appleton to Colorado 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 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 août 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Appleton to Colorado as you normally would.

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

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 août 18, 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
8.0
Very good
7,981 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

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
8,925 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

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
7,981 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

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
7.2
Good
701 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

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 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 9 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 13m. The time it takes to get you to your destination can typically vary by up to 2h 18m. 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 Allegiant Air, which is currently one of the cheapest options available, starting at $83. American Airlines flights start at $206 while deals on United Airlines start at $235 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: Allegiant Air (76%), SkyWest Airlines (60%), United Airlines (60%).

  • What are the cheapest flights from Appleton to Colorado?

    While on average a flight from Appleton to Colorado is generally $240, our data shows the cheapest flight currently is $104. When looking at the most popular route, (Appleton Intl - Denver Intl), you can expect to pay $110 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, October is the cheapest month in which you can book a flight from Appleton to Colorado (average of $197). Flying from Appleton to Colorado 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

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Alternative routes for Appleton to Colorado

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 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 août 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$97Average$178FlexibilityNo cancel feeOn-time88%
DeltaCheapest$199Average$319FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$228Average$570FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$393FlexibilityNo cancel feeOn-time71%

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