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$83+ Cheap flights from Appleton to Denver (ATW - DEN)

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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — DEN
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
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Cheapflights Tip: The best prices from Appleton Intl to Denver Intl are usually found in September or June, booked 82 days in advance, depart on a Sunday or Thursday and return on a Thursday

Cheap flight deals from Appleton to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Appleton (ATW) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 28, 2025.

Round-trip from

$129
(Cheapflightsfares)

One-way from

$83
(Booking.com)

Popular in

March

Cheapest in

September

Average price

$228

Good round-trip deal

$158 or less

Good one-way deal

$161 or less
From Appleton Intl to Denver Intl
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One-way flight from Appleton Intl to Denver Intl
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Highest demand for flights based on searches. 15% potential increase in price ($60 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Appleton Intl to Denver Intl.
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Price to beat on a one-way flight from Appleton Intl to Denver Intl.
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Find flight deals from Appleton to Denver

Cheapest flights from Appleton to Denver
Explore the most affordable flight options available from Appleton to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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.
Sun 9/73:20 pmATW - DEN
Nonstop2h 34mAllegiant Air
Thu 9/115:44 pmDEN - ATW
Nonstop2h 17mAllegiant Air
Deal found 7/27$150
This eDestinos deal was found by Cheapflights users on 7/27. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/283:20 pmATW - DEN
Nonstop2h 34mMultiple Airlines
Thu 10/28:59 pmDEN - ATW
1 stop25h 13mMultiple Airlines
Deal found 7/27$182
This Delta deal was found by Cheapflights users on 7/27. 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 9/204:16 pmATW - DEN
1 stop4h 38mDelta
Wed 9/246:05 amDEN - ATW
1 stop4h 23mDelta
Deal found 7/27$229
This American Airlines deal was found by Cheapflights users on 7/25. 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 9/66:00 amATW - DEN
2 stops12h 02mAmerican Airlines
Mon 9/85:37 pmDEN - ATW
1 stop5h 00mAmerican Airlines
Deal found 7/25$234
This United Airlines deal was found by Cheapflights users on 7/26. 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 10/246:45 pmATW - DEN
1 stop5h 45mUnited Airlines
Wed 10/295:29 pmDEN - ATW
Nonstop2h 29mUnited Airlines
Deal found 7/26$259

Cheapflights Fare Finder

 
Customize your flight search to find flights from Appleton to Denver 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 July 28, 2025.
Use the filters below to find and compare flights from Appleton to Denver that are best for you.

Fly from

Appleton

Fly to

Denver

Route

Depart

Return

Price

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sun 9/14

3:20 pm-4:54 pm

Nonstop2h 34m

Denver Intl

Thu 9/18

5:44 pm-9:01 pm

Nonstop2h 17m

$129

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sun 9/28

3:20 pm-4:54 pm

Nonstop2h 34m

Denver Intl

Thu 10/2

8:59 pm-11:12 pm

1 stop25h 13m

$182

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Wed 10/22

6:45 pm-11:30 pm

1 stop5h 45m

Denver Intl

Sat 10/25

5:20 pm-8:56 pm

Nonstop2h 36m

$219

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sat 9/20

4:16 pm-7:54 pm

1 stop4h 38m

Denver Intl

Wed 9/24

6:05 am-11:28 am

1 stop4h 23m

$229

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sat 9/6

6:00 am-5:02 pm

2 stops12h 02m

Denver Intl

Mon 9/8

5:37 pm-11:37 pm

1 stop5h 00m

$234

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sun 10/19

4:55 pm-6:32 pm

Nonstop2h 37m

$83

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Fri 8/15

10:36 am-9:30 pm

1 stop11h 54m

$198

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sun 1/18

8:30 am-10:46 am

Nonstop3h 16m

$224

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Tue 9/23

6:00 am-11:40 am

1 stop6h 40m

$234

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sun 8/10

5:36 am-11:14 am

1 stop6h 38m

$400

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Best time to book a flight from Appleton to Denver

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

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

Use this chart to determine the optimal time to book a round-trip flight from Appleton to Denver. Price data was last updated on July 25, 2025.

The best time to book flights from Appleton to Denver is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, October is the cheapest month in which you can book a flight from Appleton to Denver (average of $197). Flying from Appleton to Denver 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 DEN?

Find hourly flight availability from Appleton to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2025.

When flying from Appleton to Denver, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 80% versus a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Appleton to Denver. Price data was last updated on July 27, 2025.

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

Weekly flight availability from Appleton to Denver

Explore weekly flight availability from Appleton to Denver. 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 July 28, 2025.

The most flights from ATW to DEN are scheduled on a Thursday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated July 28, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Appleton to Denver by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,971 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

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
7,971 reviews
Delta
8.0
Very good
7,971 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

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
8,893 reviews
Delta
8.0
Very good
7,971 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

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
7,971 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

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
702 reviews
Delta
8.0
Very good
7,971 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

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

  • What airports do I use to fly from Appleton to Denver?

    If you wish to fly to Denver from Appleton, then you need to book flights from Appleton Intl to Denver Intl. There are 2 flights from Appleton Intl (ATW) to Denver Intl (DEN) per day to choose from. Flights to Denver from Appleton Intl are available from 4 different airlines, which means you should have some options if you want to compare airfare deals. 2h 30m is how long a nonstop flight from Appleton to Denver Intl typically takes.

  • How popular is this Appleton to Denver flight route?

    This flight path from Appleton Intl to Denver Intl was viewed by 9 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Appleton to Denver round-trip?

    Currently priced at $129, Allegiant Air will fly you from Appleton to Denver and back. In addition to Allegiant Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $219 and $229, respectively. Allegiant Air is priced at 59% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as $83 on Allegiant Air. Other airlines that offer cheap prices include American Airlines from $234 and United Airlines from $249 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Appleton to Denver consider choosing SkyWest Airlines (79%), United Airlines (79%) or Allegiant Air (58%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Appleton to Denver?

    The cheapest flight price from Appleton to Denver is $90. On average you can expect to pay $281. The most popular route, (Appleton Intl - Denver Intl), can usually be booked for $104.

  • Where are the most common layover locations when flying from Appleton to Denver?

    Appleton to Denver flights have a layover in Chicago most often.

  • What are some popular things to do or see while on a layover in Chicago?

    Most Chicago visitors opt to spend their time experiencing Magnificent Mile, River North, and Grant Park. Magnificent Mile, River North, and Grant Park can be accessed by traveling approximately 15.5 mi, 15.0 mi, and 16.2 mi, respectively from Chicago O'Hare Intl. Travelers in need of a car in Chicago can rent one for about $69 per day.

  • Where are the least popular layover locations for Appleton to Denver flights?

    Appleton to Denver flights that have layovers will least frequently stop in Minneapolis.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Appleton to Denver (average of $197). Flying from Appleton to Denver 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

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Westminster
Black Hawk
Winter Park
Lakewood
Cripple Creek
Brighton
Silverthorne
Golden
Thornton
Greeley
Frisco
Grand Lake
Manitou Springs
Central City
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Longmont
Broomfield

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Top 4 airlines flying from Appleton to Denver

Discover the top 4 airlines that operate flights from Appleton to Denver. 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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$97Average$174FlexibilityNo cancel feeOn-time88%
DeltaCheapest$220Average$296FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$305FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$249Average$423FlexibilityNo cancel feeOn-time69%

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