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$103+ 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — DEN
Jul 25 — Aug 11
Sat 7/25
Sat 8/1
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 June 25, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/24. 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 8/105:08 pm
ATW
-
DEN
Nonstop2h 41m
Allegiant Air
Mon 8/177:39 pm
DEN
-
ATW
Nonstop2h 21m
Allegiant Air
Deal found 6/24$225
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 8/145:08 pm
ATW
-
DEN
Nonstop2h 41m
Allegiant Air
Fri 8/2111:09 am
DEN
-
ATW
Nonstop2h 18m
Allegiant Air
Deal found 6/24$229
This Cheapflightsfares deal was found by Cheapflights users on 6/23. 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.
Fri 9/45:32 pm
ATW
-
DEN
Nonstop2h 31m
Allegiant Air
Mon 9/77:50 pm
DEN
-
ATW
Nonstop2h 17m
Allegiant Air
Deal found 6/23$231
This Cheapflightsfares deal was found by Cheapflights users on 6/22. 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.
Fri 8/75:08 pm
ATW
-
DEN
Nonstop2h 41m
Allegiant Air
Mon 8/107:39 pm
DEN
-
ATW
Nonstop2h 21m
Allegiant Air
Deal found 6/22$233
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 8/1011:02 am
ATW
-
DEN
1 stop28h 29m
Multiple Airlines
Mon 8/177:39 pm
DEN
-
ATW
Nonstop2h 21m
Multiple Airlines
Deal found 6/22$236
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 7/204:57 pm
ATW
-
DEN
Nonstop2h 31m
Allegiant Air
Mon 7/277:18 pm
DEN
-
ATW
Nonstop2h 21m
Allegiant Air
Deal found 6/24$239
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 9/146:30 am
ATW
-
DEN
1 stop8h 03m
Multiple Airlines
Fri 9/187:50 pm
DEN
-
ATW
Nonstop2h 17m
Multiple Airlines
Deal found 6/21$242
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
Fri 9/255:29 pm
ATW
-
DEN
Nonstop2h 31m
Allegiant Air
Fri 10/27:50 pm
DEN
-
ATW
Nonstop2h 17m
Allegiant Air
Deal found 6/21$244
This Delta deal was found by Cheapflights users on 6/22. 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 9/154:19 pm
ATW
-
COS
2 stops7h 05m
Delta
Tue 9/291:25 pm
COS
-
ATW
1 stop8h 20m
Delta
Deal found 6/22$310
This Delta deal was found by Cheapflights users on 6/24. 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 8/256:00 am
ATW
-
COS
1 stop5h 47m
Delta
Mon 8/311:20 pm
COS
-
ATW
1 stop8h 24m
Delta
Deal found 6/24$312
This Delta deal was found by Cheapflights users on 6/22. 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.
Fri 9/112:00 pm
ATW
-
COS
2 stops9h 24m
Delta
Wed 9/161:25 pm
COS
-
ATW
1 stop8h 20m
Delta
Deal found 6/22$317
This United Airlines deal was found by Cheapflights users on 6/22. 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 9/116:30 am
ATW
-
COS
1 stop5h 17m
United Airlines
Wed 9/1611:55 am
COS
-
ATW
1 stop6h 05m
United Airlines
Deal found 6/22$319

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 June 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$225
(Kiwi.com)

One-way from

$103
(Super.com)

Popular in

March

Cheapest in

September

Average price

$309

Good round-trip deal

$252 or less

Good one-way deal

$237 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. 13% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 25, 2026.
Use the filters below to find and compare flights from Appleton to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Wed 10/14

5:25 pm-10:59 pm

1 stop6h 34m

Denver Intl

Sat 10/17

6:10 am-11:27 am

1 stop4h 17m

$289

AppletonColorado Springs

ATW - COS

ATWCOS

Appleton Intl

Fri 9/11

2:00 pm-10:24 pm

2 stops9h 24m

Colorado Springs

Tue 9/15

1:25 pm-10:45 pm

1 stop8h 20m

$317

AppletonGrand Junction

ATW - GJT

ATWGJT

Appleton Intl

Tue 8/18

8:45 am-12:38 pm

1 stop4h 53m

Grand Junction Regnl

Sat 8/22

1:40 pm-8:54 pm

1 stop6h 14m

$334

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Thu 7/30

8:45 am-10:31 am

Nonstop2h 46m

Denver Intl

Mon 8/3

5:40 pm-9:04 pm

Nonstop2h 24m

$340

AppletonColorado Springs

ATW - COS

ATWCOS

Appleton Intl

Thu 9/10

11:09 am-7:56 pm

2 stops9h 47m

Colorado Springs

Tue 9/15

1:25 pm-10:45 pm

1 stop8h 20m

$357

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sat 9/12

8:45 am-10:30 am

Nonstop2h 45m

Denver Intl

Tue 9/15

2:50 pm-10:58 pm

1 stop7h 08m

$359

AppletonColorado Springs

ATW - COS

ATWCOS

Appleton Intl

Tue 9/8

5:45 am-12:14 pm

1 stop7h 29m

Colorado Springs

Wed 9/9

1:25 pm-10:45 pm

1 stop8h 20m

$365

AppletonColorado Springs

ATW - COS

ATWCOS

Appleton Intl

Fri 9/11

5:45 am-12:14 pm

1 stop7h 29m

Colorado Springs

Mon 9/14

6:00 am-3:37 pm

2 stops8h 37m

$374

AppletonColorado Springs

ATW - COS

ATWCOS

Appleton Intl

Mon 9/14

5:45 am-12:14 pm

1 stop7h 29m

Colorado Springs

Tue 9/29

1:25 pm-10:45 pm

1 stop8h 20m

$382

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Fri 7/17

4:10 pm-7:56 pm

1 stop4h 46m

Denver Intl

Mon 7/20

6:00 am-10:47 am

1 stop3h 47m

$394

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 36 resultsSorted by cheapest first
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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, September is the cheapest month in which you can book a flight from Appleton to Colorado (average of $80). Flying from Appleton to Colorado in March is currently the most expensive (average of $228). 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 June 25, 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.

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

How far ahead should I book a flight from Appleton to Colorado?

The price you pay for your flight from Appleton to Colorado may vary depending on when you book. For the best chance of a lower fare, look to book 89 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 June 25, 2026.
Read through reviews of airlines operating flights from Appleton to Colorado, such as Delta,United Airlines, andAllegiant Air. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,434 reviews

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,434 reviews
Delta
7.8
Good
8,434 reviews

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,885 reviews
Delta
7.8
Good
8,434 reviews

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Allegiant Air
7.3
Good
695 reviews
Delta
7.8
Good
8,434 reviews

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,754 reviews
Delta
7.8
Good
8,434 reviews

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 Delta, United Airlines, and American Airlines fly from Appleton to Colorado in about 4h 53m. The time it takes to get you to your destination can typically vary by up to 2h 08m. Appleton and Colorado are separated by a distance of 1088 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 $77. American Airlines flights start at $89 while deals on United Airlines start at $153 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 (99%), United Airlines (94%), Allegiant Air (33%).

  • What are the cheapest flights from Appleton to Colorado?

    While on average a flight from Appleton to Colorado is generally $348, our data shows the cheapest flight currently is $113. When looking at the most popular route, (Appleton Intl - Denver Intl), you can expect to pay $125 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, September is the cheapest month in which you can book a flight from Appleton to Colorado (average of $80). Flying from Appleton to Colorado in March is currently the most expensive (average of $228). 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 June 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$104Average$197FlexibilityNo cancel feeOn-time88%
DeltaCheapest$168Average$349FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$381FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$228Average$445FlexibilityNo cancel feeOn-time69%

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