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$154+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — DEN
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
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 January 21, 2026.

This Booking.com deal was found by Cheapflights users on 1/19. 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 Booking.com 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 1/19$160
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.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
Fri 6/57:29 pm
DEN
-
ATW
Nonstop2h 15m
Allegiant Air
Deal found 1/20$173
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com 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
Fri 6/57:29 pm
DEN
-
ATW
Nonstop2h 15m
Allegiant Air
Deal found 1/20$187
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.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
Fri 6/127:29 pm
DEN
-
ATW
Nonstop2h 15m
Allegiant Air
Deal found 1/20$196
This Booking.com deal was found by Cheapflights users on 1/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:05 pm
ATW
-
DEN
Nonstop2h 39m
Allegiant Air
Fri 6/57:29 pm
DEN
-
ATW
Nonstop2h 15m
Allegiant Air
Deal found 1/18$202
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/154:58 pm
ATW
-
DEN
Nonstop2h 41m
Allegiant Air
Mon 6/227:29 pm
DEN
-
ATW
Nonstop2h 15m
Allegiant Air
Deal found 1/18$203
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/154:58 pm
ATW
-
DEN
Nonstop2h 41m
Allegiant Air
Fri 6/197:29 pm
DEN
-
ATW
Nonstop2h 15m
Allegiant Air
Deal found 1/20$211
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:05 pm
ATW
-
DEN
Nonstop2h 39m
Allegiant Air
Mon 6/17:34 pm
DEN
-
ATW
Nonstop2h 15m
Allegiant Air
Deal found 1/20$215
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 2/175:23 pm
ATW
-
DEN
1 stop6h 43m
United Airlines
Sat 2/215:25 pm
DEN
-
ATW
Nonstop2h 31m
United Airlines
Deal found 1/20$219
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 6/15:05 pm
ATW
-
DEN
Nonstop2h 39m
Allegiant Air
Mon 6/87:29 pm
DEN
-
ATW
Nonstop2h 15m
Allegiant Air
Deal found 1/21$224
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:15 am
ATW
-
COS
1 stop5h 54m
American Airlines
Tue 3/241:59 pm
COS
-
ATW
1 stop7h 00m
American Airlines
Deal found 1/20$271
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/57:15 am
ATW
-
COS
1 stop5h 54m
American Airlines
Fri 2/1312:30 pm
COS
-
ATW
1 stop4h 22m
American Airlines
Deal found 1/20$294

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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$160
(Booking.com)

One-way from

$154
(American Airlines)

Popular in

March

Cheapest in

July

Average price

$373

Good round-trip deal

$358 or less

Good one-way deal

$304 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. 19% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 21, 2026.
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

Sun 3/1

5:23 pm-11:06 pm

1 stop6h 43m

Denver Intl

Tue 3/24

6:00 am-11:58 am

1 stop4h 58m

$229

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Tue 2/17

5:23 pm-11:06 pm

1 stop6h 43m

Denver Intl

Tue 2/24

7:45 am-3:07 pm

1 stop6h 22m

$229

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Fri 4/10

4:24 pm-7:51 pm

1 stop4h 27m

Denver Intl

Wed 4/15

6:30 am-11:25 am

1 stop3h 55m

$254

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Tue 4/7

2:54 pm-7:40 pm

1 stop5h 46m

Denver Intl

Sun 4/12

6:00 am-11:48 am

1 stop4h 48m

$260

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Fri 2/6

5:23 pm-9:59 pm

1 stop5h 36m

Denver Intl

Wed 2/25

7:45 am-3:07 pm

1 stop6h 22m

$262

AppletonColorado Springs

ATW - COS

ATWCOS

Appleton Intl

Tue 3/17

6:15 am-11:09 am

1 stop5h 54m

Colorado Springs

Tue 3/24

1:59 pm-9:59 pm

1 stop7h 00m

$271

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Thu 4/9

5:30 pm-11:44 pm

1 stop7h 14m

Denver Intl

Sun 4/12

6:00 am-11:48 am

1 stop4h 48m

$281

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sat 4/18

4:10 pm-7:45 pm

1 stop4h 35m

Denver Intl

Tue 4/21

4:26 pm-11:25 am

1 stop17h 59m

$282

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Wed 4/8

12:06 pm-7:51 pm

1 stop8h 45m

Denver Intl

Tue 4/14

6:30 am-11:25 am

1 stop3h 55m

$282

AppletonColorado Springs

ATW - COS

ATWCOS

Appleton Intl

Wed 2/4

5:20 am-12:23 pm

1 stop8h 03m

Colorado Springs

Sun 2/8

1:20 pm-9:46 pm

1 stop7h 26m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 41 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 $200). 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 January 21, 2026.

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.

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 January 21, 2026.

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 January 21, 2026.
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
8,088 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

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.
Delta
7.9
Good
8,088 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

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.
United Airlines
7.4
Good
9,191 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

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.
American Airlines
7.2
Good
11,174 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

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.
Allegiant Air
7.2
Good
705 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

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 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 8 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 27m. The time it takes to get you to your destination can typically vary by up to 2h 16m. 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 cheapest flights from Appleton to Colorado?

    While on average a flight from Appleton to Colorado is generally $410, our data shows the cheapest flight currently is $175. When looking at the most popular route, (Appleton Intl - Denver Intl), you can expect to pay $160 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 $200). 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$95Average$168FlexibilityNo cancel feeOn-time88%
DeltaCheapest$168Average$331FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$223Average$523FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$422FlexibilityNo cancel feeOn-time71%

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