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Cheap flights from Appleton to Denver from $123

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Appleton to Denver departing on 11/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 7:10 pmATW-DEN
13h 10m1 stop
Multiple Airlines Logo
11:59 pm - 11:01 pmDEN-ATW
22h 02m1 stop
$216Multiple Airlines
Find Deal
Mon, Jan 26 - Sun, Feb 1
United Airlines Logo
5:20 pm - 9:56 pmATW-DEN
5h 36m1 stop
United Airlines Logo
5:31 pm - 9:00 pmDEN-ATW
2h 29mnonstop
$219United Airlines
Find Deal
Fri, Dec 5 - Tue, Dec 9
Multiple Airlines Logo
7:00 am - 7:10 pmATW-DEN
13h 10m1 stop
Multiple Airlines Logo
11:59 pm - 2:09 pmDEN-ATW
13h 10m1 stop
$227Multiple Airlines
Find Deal
Mon, Jan 26 - Mon, Feb 2
Delta Logo
7:00 am - 2:38 pmATW-DEN
8h 38m1 stop
Delta Logo
10:32 am - 5:23 pmDEN-ATW
5h 51m1 stop
$229Delta
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Sat, Dec 6 - Wed, Jan 7
American Airlines Logo
11:25 am - 9:16 pmATW-DEN
10h 51m2 stops
American Airlines Logo
12:52 pm - 9:57 pmDEN-ATW
8h 05m1 stop
$234American Airlines
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Fri, Jan 9 - Tue, Jan 13
Multiple Airlines Logo
4:01 pm - 3:27 pmATW-DEN
24h 26m2 stops
Multiple Airlines Logo
11:59 pm - 11:01 pmDEN-ATW
22h 02m1 stop
$237Multiple Airlines
Find Deal
Mon, Jan 26 - Sun, Feb 1
American Airlines Logo
9:39 am - 4:49 pmATW-DEN
8h 10m1 stop
American Airlines Logo
7:49 am - 7:09 pmDEN-ATW
10h 20m2 stops
$238American Airlines
Find Deal
Sat, Dec 6 - Tue, Dec 9
American Airlines Logo
11:25 am - 9:16 pmATW-DEN
10h 51m2 stops
American Airlines Logo
6:00 am - 6:01 pmDEN-ATW
11h 01m2 stops
$239American Airlines
Find Deal
Fri, Jan 9 - Tue, Jan 13
United Airlines Logo
8:30 am - 10:35 amATW-DEN
3h 05mnonstop
United Airlines Logo
6:00 am - 1:57 pmDEN-ATW
6h 57m1 stop
$240United Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
Delta Logo
5:15 pm - 10:33 pmATW-DEN
6h 18m1 stop
Delta Logo
6:00 am - 11:32 amDEN-ATW
4h 32m1 stop
$249Delta
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Sun, Dec 21 - Wed, Dec 31

United Airlines flights from Appleton to Denver

Our best United Airlines deals on Appleton to Denver flight tickets
United Airlines
Dec 5
ATW5:20 pmAppleton Intl
5h 36m
1 stop
DEN9:56 pmDenver Intl
Dec 9
DEN5:31 pmDenver Intl
2h 29m
ATW9:00 pmAppleton Intl
$219
Find similar
United Airlines
Dec 5
ATW8:30 amAppleton Intl
3h 05m
DEN10:35 amDenver Intl
Dec 8
DEN6:00 amDenver Intl
6h 57m
1 stop
ATW1:57 pmAppleton Intl
$240
Find similar
United Airlines
Jan 29
ATW8:20 amAppleton Intl
3h 15m
DEN10:35 amDenver Intl
Feb 2
DEN6:00 amDenver Intl
7h 09m
1 stop
ATW2:09 pmAppleton Intl
$248
Find similar

American Airlines flights from Appleton to Denver

Our best American Airlines deals on Appleton to Denver flight tickets
American Airlines
Jan 9
ATW11:25 amAppleton Intl
10h 51m
2 stops
DEN9:16 pmDenver Intl
Jan 13
DEN12:52 pmDenver Intl
8h 05m
1 stop
ATW9:57 pmAppleton Intl
$234
Find similar
American Airlines
Dec 6
ATW9:39 amAppleton Intl
8h 10m
1 stop
DEN4:49 pmDenver Intl
Dec 9
DEN7:49 amDenver Intl
10h 20m
2 stops
ATW7:09 pmAppleton Intl
$238
Find similar
American Airlines
Jan 9
ATW11:25 amAppleton Intl
10h 51m
2 stops
DEN9:16 pmDenver Intl
Jan 13
DEN6:00 amDenver Intl
11h 01m
2 stops
ATW6:01 pmAppleton Intl
$239
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 4, 2025.
Use the filters below to find and compare flights from Appleton to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Mon 1/26

7:00 am-7:10 pm

1 stop13h 10m

Denver Intl

Sun 2/1

11:59 pm-11:01 pm

1 stop22h 02m

$216

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Fri 12/5

5:20 pm-9:56 pm

1 stop5h 36m

Denver Intl

Tue 12/9

5:31 pm-9:00 pm

Nonstop2h 29m

$219

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Mon 1/26

7:00 am-7:10 pm

1 stop13h 10m

Denver Intl

Mon 2/2

11:59 pm-2:09 pm

1 stop13h 10m

$227

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sat 12/6

7:00 am-2:38 pm

1 stop8h 38m

Denver Intl

Wed 1/7

10:32 am-5:23 pm

1 stop5h 51m

$229

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Fri 1/9

11:25 am-9:16 pm

2 stops10h 51m

Denver Intl

Tue 1/13

12:52 pm-9:57 pm

1 stop8h 05m

$234

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Mon 1/26

4:01 pm-3:27 pm

2 stops24h 26m

Denver Intl

Sun 2/1

11:59 pm-11:01 pm

1 stop22h 02m

$237

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sat 12/6

9:39 am-4:49 pm

1 stop8h 10m

Denver Intl

Tue 12/9

7:49 am-7:09 pm

2 stops10h 20m

$238

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Fri 1/9

11:25 am-9:16 pm

2 stops10h 51m

Denver Intl

Tue 1/13

6:00 am-6:01 pm

2 stops11h 01m

$239

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Fri 12/5

8:30 am-10:35 am

Nonstop3h 05m

Denver Intl

Mon 12/8

6:00 am-1:57 pm

1 stop6h 57m

$240

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sun 12/21

5:15 pm-10:33 pm

1 stop6h 18m

Denver Intl

Wed 12/31

6:00 am-11:32 am

1 stop4h 32m

$249

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denver from

How to get the cheapest flight ticket from Appleton to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Appleton is in June. Flight prices, which tend to average around $223, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in June, then you should wait until July to fly from Appleton, when ticket prices are also cheap, with an average price of $223.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Sunday when prices can be found for as low as $202. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Monday, with ticket prices averaging around $616.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $99. Flights in the morning are often more expensive with an average ticket price of $467.

What is the cheapest Appleton Intl to Denver Intl flight route?

Fly from Appleton Intl to Denver Intl for the best Appleton Intl - Denver Intl flight prices

How far in advance should I book a flight to Denver?

You are more likely to see cheaper flights to Denver from Appleton when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $320 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Appleton for as low as $191 on momondo.

What cabin class options are available on Appleton Intl to Denver Intl flights?

There are 4 cabin classes available to choose from on Appleton Intl to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Appleton to Denver flight prices changed over time?

As of November 2025, prices for Appleton to Denver flights are approximately 118% more expensive when compared to flights at the same time last year.

When to book flights from Appleton to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Appleton to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Appleton to Denver (ATW to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Appleton to Denver

Best Price Found

$282

Fastest flight time

2h 37m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from Appleton in the past 72 hours is $282. The best round-trip flight deal from Appleton to Denver found on momondo in the last 72 hours is $318.
The fastest flight from Appleton to Denver takes 2h 37m
Direct flights go from Appleton to Denver every day.
There is 1 airport near Denver: Denver Intl (DEN)
Search flight deals

  • How far is Appleton Intl to Denver Intl by plane?

    The straight-line distance from Appleton Intl to Denver Intl is 903.7 mi. By plane, this route typically takes 3h 05m.

  • When did momondo last update prices for flights from Appleton Intl Airport to Denver Intl Airport?

    Prices for flights from Appleton Intl Airport to Denver Intl Airport are updated daily.

  • How many operators does momondo search for flights from Appleton Intl Airport to Denver Intl Airport?

  • How old do you have to be to fly from Appleton Intl Airport to Denver Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Appleton Intl Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Appleton to Denver?

  • What is the most popular airline from Appleton to Denver?

Best airlines flying from Appleton to Denver

Compare and see reviews for airlines that fly from Appleton to Denver with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $98Free CancellationRating
7.2
696 reviews
Search Allegiant Air flights
DeltaPriceFrom $228Free CancellationRating
7.9
8,003 reviews
Search Delta flights
American AirlinesPriceFrom $228Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
United AirlinesPriceFrom $237Free CancellationRating
7.4
9,002 reviews
Search United Airlines flights

  • United Airlines Flights From Appleton to Denver

    United Airlines is one of the most popular airlines flying from Appleton to Denver, operating 7 flights/week on average for this route. A good United Airlines flight deal for Appleton to Denver starts from $237 round-trip, up to an average price of $420. Our users have rated United Airlines at 7.4/10.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Estes Park
Black Hawk
Aurora
Fort Collins
Keystone
Cripple Creek
Manitou Springs
Longmont
Boulder
Greeley
Lakewood
Thornton
Westminster
Winter Park
Copper Mountain
Silverthorne
Frisco
Centennial
Grand Lake

Why use momondo?

Why should I use momondo to find a flight deal from Appleton to Denver?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Appleton to Denver for you.

Can I find flights from Appleton to Denver with flexible booking policies on momondo?

Flights from Appleton to Denver with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Appleton to Denver?

momondo helps you find the best flight between Appleton and Denver by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Appleton to Denver right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Appleton to Denver flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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