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Cheap flights from Appleton to Denver from $154

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 2/22. 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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Find the cheapest flights from Appleton to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:20 am - 10:35 am
ATW
-
DEN
3h 15mnonstop
United Airlines Logo
6:00 am - 2:09 pm
DEN
-
ATW
7h 09m1 stop
$252United Airlines
Thu, Jan 8 - Mon, Jan 12
Multiple Airlines Logo
4:01 pm - 5:53 pm
ATW
-
DEN
26h 52m2 stops
Multiple Airlines Logo
6:00 am - 11:21 pm
DEN
-
ATW
16h 21m1 stop
$253Multiple Airlines
Mon, Jan 19 - Thu, Jan 22
American Airlines Logo
6:32 pm - 11:16 pm
ATW
-
DEN
5h 44m1 stop
American Airlines Logo
6:23 am - 5:51 pm
DEN
-
ATW
10h 28m2 stops
$254American Airlines
Wed, Jan 7 - Sun, Jan 11
United Airlines Logo
2:45 pm - 9:59 pm
ATW
-
DEN
8h 14m1 stop
United Airlines Logo
5:25 pm - 8:50 pm
DEN
-
ATW
2h 25mnonstop
$256United Airlines
Wed, Jan 28 - Wed, Feb 4
Multiple Airlines Logo
2:59 pm - 12:19 pm
ATW
-
DEN
22h 20m2 stops
Multiple Airlines Logo
6:00 am - 11:21 pm
DEN
-
ATW
16h 21m1 stop
$257Multiple Airlines
Tue, Jan 20 - Thu, Jan 22
American Airlines Logo
11:25 am - 9:16 pm
ATW
-
DEN
10h 51m2 stops
American Airlines Logo
6:23 am - 5:51 pm
DEN
-
ATW
10h 28m2 stops
$259American Airlines
Wed, Jan 7 - Sun, Jan 11
Multiple Airlines Logo
9:03 pm - 3:56 am
ATW
-
DEN
7h 53m1 stop
Multiple Airlines Logo
11:59 pm - 9:17 pm
DEN
-
ATW
20h 18m1 stop
$260Multiple Airlines
Mon, Feb 16 - Wed, Feb 18
Multiple Airlines Logo
12:50 pm - 10:27 am
ATW
-
DEN
22h 37m1 stop
Multiple Airlines Logo
1:20 pm - 8:31 am
DEN
-
ATW
18h 11m2 stops
$261Multiple Airlines
Mon, Jan 19 - Wed, Jan 21
Multiple Airlines Logo
2:59 pm - 10:00 am
ATW
-
DEN
20h 01m1 stop
Multiple Airlines Logo
7:59 pm - 11:01 pm
DEN
-
ATW
50h 02m2 stops
$262Multiple Airlines
Tue, Feb 3 - Sat, Feb 7
United Airlines Logo
5:23 pm - 11:30 pm
ATW
-
DEN
7h 07m1 stop
United Airlines Logo
6:00 am - 2:00 pm
DEN
-
ATW
7h 00m1 stop
$263United Airlines
Wed, Mar 25 - Sun, Mar 29

United Airlines flights from Appleton to Denver

Our best United Airlines deals on Appleton to Denver flight tickets
United Airlines
Jan 8
ATW8:20 amAppleton Intl
3h 15m
DEN10:35 amDenver Intl
Jan 12
DEN6:00 amDenver Intl
7h 09m
1 stop
ATW2:09 pmAppleton Intl
$252
Find similar
United Airlines
Jan 28
ATW2:45 pmAppleton Intl
8h 14m
1 stop
DEN9:59 pmDenver Intl
Feb 4
DEN5:25 pmDenver Intl
2h 25m
ATW8:50 pmAppleton Intl
$256
Find similar
United Airlines
Mar 25
ATW5:23 pmAppleton Intl
7h 07m
1 stop
DEN11:30 pmDenver Intl
Mar 29
DEN6:00 amDenver Intl
7h 00m
1 stop
ATW2:00 pmAppleton Intl
$263
Find similar

American Airlines flights from Appleton to Denver

Our best American Airlines deals on Appleton to Denver flight tickets
American Airlines
Jan 7
ATW6:32 pmAppleton Intl
5h 44m
1 stop
DEN11:16 pmDenver Intl
Jan 11
DEN6:23 amDenver Intl
10h 28m
2 stops
ATW5:51 pmAppleton Intl
$254
Find similar
American Airlines
Jan 7
ATW11:25 amAppleton Intl
10h 51m
2 stops
DEN9:16 pmDenver Intl
Jan 11
DEN6:23 amDenver Intl
10h 28m
2 stops
ATW5:51 pmAppleton Intl
$259
Find similar
American Airlines
Feb 6
ATW6:32 pmAppleton Intl
5h 44m
1 stop
DEN11:16 pmDenver Intl
Feb 12
DEN6:00 pmDenver Intl
4h 16m
1 stop
ATW11:16 pmAppleton Intl
$268
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 December 21, 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

Thu 1/8

8:20 am-10:35 am

Nonstop3h 15m

Denver Intl

Mon 1/12

6:00 am-2:09 pm

1 stop7h 09m

$252

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Mon 1/19

4:01 pm-5:53 pm

2 stops26h 52m

Denver Intl

Thu 1/22

6:00 am-11:21 pm

1 stop16h 21m

$253

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Wed 1/7

6:32 pm-11:16 pm

1 stop5h 44m

Denver Intl

Sun 1/11

6:23 am-5:51 pm

2 stops10h 28m

$254

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Wed 1/28

2:45 pm-9:59 pm

1 stop8h 14m

Denver Intl

Wed 2/4

5:25 pm-8:50 pm

Nonstop2h 25m

$256

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Tue 1/20

2:59 pm-12:19 pm

2 stops22h 20m

Denver Intl

Thu 1/22

6:00 am-11:21 pm

1 stop16h 21m

$257

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Wed 1/7

11:25 am-9:16 pm

2 stops10h 51m

Denver Intl

Sun 1/11

6:23 am-5:51 pm

2 stops10h 28m

$259

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Mon 2/16

9:03 pm-3:56 am

1 stop7h 53m

Denver Intl

Wed 2/18

11:59 pm-9:17 pm

1 stop20h 18m

$260

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Mon 1/19

12:50 pm-10:27 am

1 stop22h 37m

Denver Intl

Wed 1/21

1:20 pm-8:31 am

2 stops18h 11m

$261

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Tue 2/3

2:59 pm-10:00 am

1 stop20h 01m

Denver Intl

Sat 2/7

7:59 pm-11:01 pm

2 stops50h 02m

$262

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Wed 3/25

5:23 pm-11:30 pm

1 stop7h 07m

Denver Intl

Sun 3/29

6:00 am-2:00 pm

1 stop7h 00m

$263

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 $194. 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 $613.

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 $464.

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 $317 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 $194 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.

Can stopping save me money on Appleton to Denver flights?

No. A direct flight is the cheapest option for a flight between Appleton to Denver.

How have Appleton to Denver flight prices changed over time?

As of December 2025, prices for Appleton to Denver flights are approximately 162% 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

$278

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 $278. The best round-trip flight deal from Appleton to Denver found on momondo in the last 72 hours is $339.
The fastest flight from Appleton to Denver takes 2h 37m
Direct flights go from Appleton to Denver every day.
There is 1 airport in Denver. From Appleton there are direct flights to 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 2h 37m.

  • 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
702 reviews
Search Allegiant Air flights
American AirlinesPriceFrom $228Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
DeltaPriceFrom $228Free CancellationRating
7.9
8,021 reviews
Search Delta flights
United AirlinesPriceFrom $230Free CancellationRating
7.4
9,099 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 $230 round-trip, up to an average price of $412. 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.

An easier way to manage your Denver trip

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