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Cheap flights from Appleton to Denver from $104

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 7/3. 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
5:30 pm - 10:05 pm
ATW
-
DEN
5h 35m
1 stop
United Airlines Logo
6:00 am - 11:48 am
DEN
-
ATW
4h 48m
1 stop
$229United Airlines
Tue, Apr 14 - Tue, Apr 21
American Airlines Logo
1:30 pm - 11:45 pm
ATW
-
DEN
11h 15m
2 stops
American Airlines Logo
5:44 pm - 11:40 pm
DEN
-
ATW
4h 56m
1 stop
$234American Airlines
Sat, May 2 - Sat, May 9
United Airlines Logo
5:33 pm - 11:30 pm
ATW
-
DEN
6h 57m
1 stop
United Airlines Logo
5:30 pm - 9:01 pm
DEN
-
ATW
2h 31mnonstop
$238United Airlines
Thu, Apr 30 - Sat, May 2
Delta Logo
11:14 am - 5:17 pm
ATW
-
DEN
7h 03m
1 stop
Delta Logo
6:20 am - 11:25 am
DEN
-
ATW
4h 05m
1 stop
$239Delta
Tue, Mar 10 - Thu, Mar 19
United Airlines Logo
8:24 am - 10:35 am
ATW
-
DEN
3h 11mnonstop
United Airlines Logo
7:45 am - 2:03 pm
DEN
-
ATW
5h 18m
1 stop
$240United Airlines
Sat, Mar 14 - Tue, Mar 17
Delta Logo
4:22 pm - 8:05 pm
ATW
-
DEN
4h 43m
1 stop
Delta Logo
12:00 pm - 9:50 pm
DEN
-
ATW
8h 50m
1 stop
$249Delta
Sat, Feb 28 - Wed, Mar 4
United Airlines Logo
3:45 pm - 7:40 pm
ATW
-
DEN
4h 55m
1 stop
United Airlines Logo
5:30 pm - 9:01 pm
DEN
-
ATW
2h 31mnonstop
$250United Airlines
Sat, May 2 - Wed, May 6
United Airlines Logo
5:23 pm - 9:55 pm
ATW
-
DEN
5h 32m
1 stop
United Airlines Logo
5:25 pm - 8:54 pm
DEN
-
ATW
2h 29mnonstop
$251United Airlines
Tue, Mar 24 - Sat, Mar 28
United Airlines Logo
5:23 pm - 9:55 pm
ATW
-
DEN
5h 32m
1 stop
United Airlines Logo
5:25 pm - 8:54 pm
DEN
-
ATW
2h 29mnonstop
$252United Airlines
Tue, Mar 24 - Sat, Mar 28
Multiple Airlines Logo
2:32 pm - 9:43 am
ATW
-
DEN
20h 11m
1 stop
Multiple Airlines Logo
10:45 am - 9:03 pm
DEN
-
ATW
9h 18m
1 stop
$253Multiple Airlines
Fri, May 1 - Mon, May 4

United Airlines flights from Appleton to Denver

Our best United Airlines deals on Appleton to Denver flight tickets
United Airlines
Apr 3
ATW5:30 pmAppleton Intl
7h 14m
1 stop
DEN11:44 pmDenver Intl
Apr 11
DEN5:32 pmDenver Intl
2h 33m
ATW9:05 pmAppleton Intl
$219
United Airlines
Apr 30
ATW5:33 pmAppleton Intl
6h 57m
1 stop
DEN11:30 pmDenver Intl
May 2
DEN5:30 pmDenver Intl
2h 31m
ATW9:01 pmAppleton Intl
$238
United Airlines
Mar 14
ATW8:24 amAppleton Intl
3h 11m
DEN10:35 amDenver Intl
Mar 17
DEN7:45 amDenver Intl
5h 18m
1 stop
ATW2:03 pmAppleton Intl
$240

American Airlines flights from Appleton to Denver

Our best American Airlines deals on Appleton to Denver flight tickets
American Airlines
May 2
ATW1:30 pmAppleton Intl
11h 15m
2 stops
DEN11:45 pmDenver Intl
May 9
DEN5:44 pmDenver Intl
4h 56m
1 stop
ATW11:40 pmAppleton Intl
$234
American Airlines
Apr 17
ATW6:31 pmAppleton Intl
6h 28m
1 stop
DEN11:59 pmDenver Intl
Apr 20
DEN6:11 amDenver Intl
5h 49m
1 stop
ATW1:00 pmAppleton Intl
$268
American Airlines
Apr 8
ATW1:30 pmAppleton Intl
11h 15m
2 stops
DEN11:45 pmDenver Intl
Apr 11
DEN5:44 pmDenver Intl
4h 56m
1 stop
ATW11:40 pmAppleton Intl
$273

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 February 12, 2026.
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

Tue 4/14

5:30 pm-10:05 pm

1 stop5h 35m

Denver Intl

Tue 4/21

6:00 am-11:48 am

1 stop4h 48m

$229

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sat 5/2

1:30 pm-11:45 pm

2 stops11h 15m

Denver Intl

Sat 5/9

5:44 pm-11:40 pm

1 stop4h 56m

$234

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Thu 4/30

5:33 pm-11:30 pm

1 stop6h 57m

Denver Intl

Sat 5/2

5:30 pm-9:01 pm

Nonstop2h 31m

$238

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Tue 3/10

11:14 am-5:17 pm

1 stop7h 03m

Denver Intl

Thu 3/19

6:20 am-11:25 am

1 stop4h 05m

$239

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sat 3/14

8:24 am-10:35 am

Nonstop3h 11m

Denver Intl

Tue 3/17

7:45 am-2:03 pm

1 stop5h 18m

$240

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sat 2/28

4:22 pm-8:05 pm

1 stop4h 43m

Denver Intl

Wed 3/4

12:00 pm-9:50 pm

1 stop8h 50m

$249

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Sat 5/2

3:45 pm-7:40 pm

1 stop4h 55m

Denver Intl

Wed 5/6

5:30 pm-9:01 pm

Nonstop2h 31m

$250

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Tue 3/24

5:23 pm-9:55 pm

1 stop5h 32m

Denver Intl

Sat 3/28

5:25 pm-8:54 pm

Nonstop2h 29m

$251

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Tue 3/24

5:23 pm-9:55 pm

1 stop5h 32m

Denver Intl

Sat 3/28

5:25 pm-8:54 pm

Nonstop2h 29m

$252

AppletonDenver

ATW - DEN

ATWDEN

Appleton Intl

Fri 5/1

2:32 pm-9:43 am

1 stop20h 11m

Denver Intl

Mon 5/4

10:45 am-9:03 pm

1 stop9h 18m

$253

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 July. Flight prices, which tend to average around $225, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in July, then you should wait until September to fly from Appleton, when ticket prices are also cheap, with an average price of $228.

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 $174. 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 $581.

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

The cheapest time of day to fly to Denver is at noon when flights can be purchased for as low as $176. Flights in the morning are often more expensive with an average ticket price of $461.

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 $315 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 $204 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 February 2026, prices for Appleton to Denver flights are approximately 7% cheaper 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

$308

Fastest flight time

2h 31m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from Appleton in the past 72 hours is $308. The best round-trip flight deal from Appleton to Denver found on momondo in the last 72 hours is $359.
The fastest flight from Appleton to Denver takes 2h 31m
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 31m.

  • 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 $95Free CancellationRating
7.2
711 reviews
Search Allegiant Air flights
United AirlinesPriceFrom $223Free CancellationRating
7.4
9,279 reviews
Search United Airlines flights
American AirlinesPriceFrom $228Free CancellationRating
7.2
11,271 reviews
Search American Airlines flights
DeltaPriceFrom $228Free CancellationRating
7.9
8,181 reviews
Search Delta flights

  • United Airlines Flights From Appleton to Denver

    United Airlines is one of the most popular airlines flying from Appleton to Denver, operating 3 flights/week on average for this route. A good United Airlines flight deal for Appleton to Denver starts from $223 round-trip, up to an average price of $398. 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
Manitou Springs
Boulder
Cripple Creek
Longmont
Keystone
Greeley
Lakewood
Westminster
Thornton
Frisco
Copper Mountain
Winter Park
Centennial
Grand Lake
Englewood

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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