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$143+ 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — DEN
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap 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 December 16, 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.
Mon 12/223:24 pmATW - DEN
1 stop7h 42mUnited Airlines
Mon 12/295:25 pmDEN - ATW
Nonstop2h 28mUnited Airlines
Deal found 12/15$294
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 12/246:15 amATW - DEN
1 stop7h 39mUnited Airlines
Tue 12/306:00 amDEN - ATW
1 stop5h 15mUnited Airlines
Deal found 12/15$304
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 Delta 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 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
Tue 12/306:00 amDEN - ATW
1 stop4h 32mDelta
Deal found 12/15$329
This Delta 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 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 12/285:53 pmDEN - ATW
1 stop4h 16mDelta
Deal found 12/15$339
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
Tue 12/305:25 pmDEN - ATW
Nonstop2h 28mUnited Airlines
Deal found 12/15$344
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/165:31 amATW - COS
1 stop8h 05mDelta
Sun 12/212:00 pmCOS - ATW
1 stop6h 41mDelta
Deal found 12/15$401
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/165:10 amATW - COS
1 stop7h 52mAmerican Airlines
Sun 12/216:00 amCOS - ATW
2 stops8h 28mAmerican Airlines
Deal found 12/15$691
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.
Fri 12/268:10 amATW - COS
1 stop14h 40mUnited Airlines
Thu 1/16:00 amCOS - ATW
1 stop5h 15mUnited Airlines
Deal found 12/14$734

Find flight deals from Appleton to Colorado

Keep the following information in mind while searching for Appleton to Colorado flight deals. Data was last updated December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$239
(United 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.
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 ($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 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 December 16, 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

Thu 4/23

4:05 pm-10:29 pm

1 stop7h 24m

Denver Intl

Sun 5/3

6:10 am-11:11 am

1 stop4h 01m

$264

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sun 5/17

4:05 pm-10:29 pm

1 stop7h 24m

Denver Intl

Sun 5/24

1:35 pm-9:58 pm

1 stop7h 23m

$264

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Wed 4/29

2:39 pm-9:25 pm

1 stop7h 46m

Denver Intl

Sun 5/3

6:15 am-12:05 pm

1 stop4h 50m

$274

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Thu 2/5

11:25 am-9:16 pm

2 stops10h 51m

Denver Intl

Sun 2/8

6:23 am-5:51 pm

2 stops10h 28m

$279

AppletonColorado Springs

ATW - COS

ATWCOS

Appleton Intl

Sat 1/10

6:15 am-11:02 am

1 stop5h 47m

Colorado Springs

Wed 1/14

5:50 am-3:04 pm

2 stops8h 14m

$280

AppletonColorado Springs

ATW - COS

ATWCOS

Appleton Intl

Fri 1/9

12:35 pm-9:58 pm

2 stops10h 23m

Colorado Springs

Sat 1/17

1:25 pm-8:50 pm

1 stop6h 25m

$280

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Thu 5/14

4:05 pm-10:29 pm

1 stop7h 24m

Denver Intl

Sat 5/23

9:00 am-3:33 pm

1 stop5h 33m

$284

AppletonColorado Springs

ATW - COS

ATWCOS

Appleton Intl

Sun 5/24

6:35 am-11:18 am

1 stop5h 43m

Colorado Springs

Wed 5/27

1:00 pm-7:16 pm

1 stop5h 16m

$285

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Fri 5/15

5:35 pm-9:25 pm

1 stop4h 50m

Denver Intl

Sat 5/16

5:40 pm-8:54 pm

Nonstop2h 14m

$289

AppletonGrand Junction

ATW - GJT

ATWGJT

Appleton Intl

Sat 1/10

8:00 am-4:54 pm

2 stops9h 54m

Grand Junction Regnl

Sat 1/17

1:38 pm-8:50 pm

1 stop6h 12m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 36 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 $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 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 December 16, 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.

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 December 16, 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
8,010 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.1

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
8,010 reviews
Delta
7.9
Good
8,010 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.1

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
9,094 reviews
Delta
7.9
Good
8,010 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.1

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
11,048 reviews
Delta
7.9
Good
8,010 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.1

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
8,010 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.1

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 7h 24m. The time it takes to get you to your destination can typically vary by up to 3h 27m. 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 $61. American Airlines flights start at $89 while deals on Delta start at $168 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 (75%), United Airlines (75%), Allegiant Air (50%).

  • What are the cheapest flights from Appleton to Colorado?

    While on average a flight from Appleton to Colorado is generally $463, our data shows the cheapest flight currently is $223. When looking at the most popular route, (Appleton Intl - Denver Intl), you can expect to pay $212 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 $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.

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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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$98Average$176FlexibilityNo cancel feeOn-time88%
DeltaCheapest$199Average$331FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$422FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$232Average$503FlexibilityNo cancel feeOn-time69%

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