$76+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — DEN
Jun 3 — Jun 101
Round-trip
1 adult, Economy
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Find cheap flights from Appleton to Denver with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Appleton Intl to Denver Intl are usually found in September or July, booked 90 days in advance, depart on a Sunday or Thursday and return on a Monday
Cheap flight deals from Appleton to Denver
Cheapest
Best
Last-minute
One-way
Cheapest flights from Appleton to DenverExplore 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 May 4, 2026.
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 May 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 6/154:58 pm
ATW
- DEN
Nonstop2h 41m
Allegiant Air
Mon 6/297:29 pm
DEN
- ATW
Nonstop2h 15m
Allegiant Air
Deal found 4/29![Allegiant Air logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 5/295:05 pm
ATW
- DEN
Nonstop2h 39m
Multiple Airlines
Tue 6/210:29 pm
DEN
- ATW
1 stop15h 42m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 8/2410:00 am
ATW
- DEN
1 stop24h 30m
Multiple Airlines
Mon 8/3111:39 am
DEN
- ATW
Nonstop2h 18m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/297:00 am
ATW
- DEN
1 stop18h 09m
Multiple Airlines
Mon 6/17:34 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$263
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 6/194:58 pm
ATW
- DEN
Nonstop2h 41m
Allegiant Air
Mon 6/227:29 pm
DEN
- ATW
Nonstop2h 15m
Allegiant Air
Deal found 4/29![Allegiant Air logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Sun 5/242:44 pm
ATW
- DEN
1 stop18h 40m
Multiple Airlines
Fri 5/297:34 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Thu 5/282:44 pm
ATW
- DEN
2 stops23h 50m
Multiple Airlines
Fri 5/297:34 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/229:46 pm
ATW
- DEN
1 stop16h 50m
Multiple Airlines
Fri 5/297:34 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$267
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 5/238:47 am
ATW
- DEN
Nonstop2h 46m
United Airlines
Sat 5/305:40 pm
DEN
- ATW
Nonstop2h 24m
United Airlines
Deal found 4/30![United Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Thu 6/42:16 pm
ATW
- DEN
2 stops20h 22m
Multiple Airlines
Fri 6/57:29 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Wed 6/37:00 am
ATW
- DEN
1 stop18h 09m
Multiple Airlines
Mon 6/87:29 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$271
Best flights from Appleton to DenverDiscover carefully curated flight deals from Appleton to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 4, 2026.
Discover carefully curated flight deals from Appleton to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 4, 2026.
This United Airlines deal was found by Cheapflights users on 4/30. 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 10/238:30 am
ATW
- DEN
Nonstop2h 44m
United Airlines
Tue 10/278:17 am
DEN
- ATW
1 stop4h 50m
United Airlines
Deal found 4/30![United Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 4/30. 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 10/235:20 pm
ATW
- DEN
1 stop5h 20m
Delta
Tue 10/274:00 pm
DEN
- ATW
1 stop4h 35m
Delta
Deal found 4/30![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Sat 7/112:40 pm
ATW
- DEN
1 stop6h 42m
United Airlines
Mon 7/135:40 pm
DEN
- ATW
Nonstop2h 24m
United Airlines
Deal found 5/1![United Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 5/2. 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 6/204:16 pm
ATW
- DEN
1 stop4h 15m
Delta
Thu 6/256:00 am
DEN
- ATW
1 stop3h 47m
Delta
Deal found 5/2![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 5/3. 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.
Wed 9/95:29 am
ATW
- DEN
1 stop7h 57m
Delta
Sat 9/196:10 am
DEN
- ATW
1 stop4h 01m
Delta
Deal found 5/3![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Sat 5/238:47 am
ATW
- DEN
Nonstop2h 46m
United Airlines
Sun 5/248:00 am
DEN
- ATW
1 stop5h 05m
United Airlines
Deal found 5/3![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 5/3. 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.
Wed 6/1011:27 am
ATW
- DEN
1 stop5h 11m
Delta
Wed 6/171:15 pm
DEN
- ATW
1 stop8h 15m
Delta
Deal found 5/3![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 4/29. 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.
Mon 6/294:16 pm
ATW
- DEN
1 stop4h 46m
Delta
Sun 7/56:05 am
DEN
- ATW
1 stop6h 22m
Delta
Deal found 4/29![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Thu 7/28:45 am
ATW
- DEN
Nonstop2h 46m
United Airlines
Tue 7/75:40 pm
DEN
- ATW
Nonstop2h 24m
United Airlines
Deal found 5/2![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Sat 8/155:27 pm
ATW
- DEN
1 stop7h 07m
United Airlines
Sat 8/225:40 pm
DEN
- ATW
Nonstop2h 26m
United Airlines
Deal found 5/1![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 6/35:30 pm
ATW
- DEN
1 stop7h 07m
United Airlines
Mon 6/85:40 pm
DEN
- ATW
Nonstop2h 24m
United Airlines
Deal found 4/29![United Airlines logo]()
$359
Last-minute flights from Appleton to DenverDiscover last-minute flight deals from Appleton to Denver. Data last updated May 4, 2026 and is based on user searches.
Discover last-minute flight deals from Appleton to Denver. Data last updated May 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/229:46 pm
ATW
- DEN
1 stop16h 50m
Multiple Airlines
Fri 5/297:34 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$267
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 5/238:47 am
ATW
- DEN
Nonstop2h 46m
United Airlines
Sat 5/305:40 pm
DEN
- ATW
Nonstop2h 24m
United Airlines
Deal found 4/30![United Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Sun 5/242:44 pm
ATW
- DEN
1 stop18h 40m
Multiple Airlines
Fri 5/297:34 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Thu 5/282:44 pm
ATW
- DEN
2 stops23h 50m
Multiple Airlines
Fri 5/297:34 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Thu 5/282:44 pm
ATW
- DEN
2 stops23h 50m
Multiple Airlines
Mon 6/17:34 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 5/295:05 pm
ATW
- DEN
Nonstop2h 39m
Multiple Airlines
Tue 6/210:29 pm
DEN
- ATW
1 stop15h 42m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/297:00 am
ATW
- DEN
1 stop18h 09m
Multiple Airlines
Mon 6/17:34 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$263
One-way flights from Appleton to DenverSearch for one-way flight options from Appleton to Denver. Find affordable one-way fares based on user searches. Data last updated May 4, 2026.
Search for one-way flight options from Appleton to Denver. Find affordable one-way fares based on user searches. Data last updated May 4, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
Mon 8/248:45 am
ATW
- DEN
Nonstop2h 34m
Allegiant Air
Deal found 4/30![Allegiant Air logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/295:05 pm
ATW
- DEN
Nonstop2h 39m
Allegiant Air
Deal found 4/29![Allegiant Air logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 6/15:05 pm
ATW
- DEN
Nonstop2h 39m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/294:58 pm
ATW
- DEN
Nonstop2h 41m
Allegiant Air
Deal found 4/30![Allegiant Air logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 6/224:58 pm
ATW
- DEN
Nonstop2h 41m
Allegiant Air
Deal found 5/1![Allegiant Air logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 7/134:57 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 6/154:58 pm
ATW
- DEN
Nonstop2h 41m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$127
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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.
Mon 9/281:27 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Deal found 4/29![Allegiant Air logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 6/194:58 pm
ATW
- DEN
Nonstop2h 41m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 7/174:57 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Deal found 4/30![Allegiant Air logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 6/229:41 am
ATW
- DEN
2 stops32h 56m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/299:36 am
ATW
- DEN
2 stops29h 23m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$147
Find 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 May 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $258 (Kiwi.com) |
One-way from | $76 (Cheapflightsfares) |
Popular in | March |
Cheapest in | September |
Average price | $328 |
Good round-trip deal | $283 or less |
Good one-way deal | $238 or less |
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 May 4, 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
Cheapest round-trip
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Fri 10/23
8:30 am-10:14 am
Nonstop2h 44m
Denver Intl
Tue 10/27
8:17 am-2:07 pm
1 stop4h 50m
$279
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Sat 7/11
2:40 pm-8:22 pm
1 stop6h 42m
Denver Intl
Mon 7/13
5:40 pm-9:04 pm
Nonstop2h 24m
$279
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Fri 10/23
5:20 pm-9:40 pm
1 stop5h 20m
Denver Intl
Tue 10/27
4:00 pm-9:35 pm
1 stop4h 35m
$289
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Sat 6/20
4:16 pm-7:31 pm
1 stop4h 15m
Denver Intl
Thu 6/25
6:00 am-10:47 am
1 stop3h 47m
$289
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Wed 9/9
5:29 am-12:26 pm
1 stop7h 57m
Denver Intl
Sat 9/19
6:10 am-11:11 am
1 stop4h 01m
$289
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Sat 5/23
8:47 am-10:33 am
Nonstop2h 46m
Denver Intl
Sun 5/24
8:00 am-2:05 pm
1 stop5h 05m
$299
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Wed 6/10
11:27 am-3:38 pm
1 stop5h 11m
Denver Intl
Wed 6/17
1:15 pm-10:30 pm
1 stop8h 15m
$309
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Mon 6/29
4:16 pm-8:02 pm
1 stop4h 46m
Denver Intl
Sun 7/5
6:05 am-1:27 pm
1 stop6h 22m
$309
Quickest round-trip
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Thu 7/2
8:45 am-10:31 am
Nonstop2h 46m
Denver Intl
Tue 7/7
5:40 pm-9:04 pm
Nonstop2h 24m
$349
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Sat 8/15
5:27 pm-11:34 pm
1 stop7h 07m
Denver Intl
Sat 8/22
5:40 pm-9:06 pm
Nonstop2h 26m
$359
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Appleton to Denver
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Appleton to Denver in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Appleton-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Appleton-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Appleton-Denver flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Appleton-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Appleton-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
ATW-DEN
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
Prices
Airlines
How far ahead should I book a flight from Appleton to Denver?
The best time to book flights from Appleton to Denver is 89 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, September is the cheapest month in which you can book a flight from Appleton to Denver (average of $234). Flying from Appleton to Denver in March is currently the most expensive (average of $439). 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 May 4, 2026.
When flying from Appleton to Denver, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 May 4, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAllegiant Air 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.
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
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.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Black Hawk
Lakewood
Westminster
Broomfield
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Fort Morgan
Glendale
Evergreen
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Alternative routes for Appleton to Denver
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Complete your trip
Complete your trip to Denver by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Denver
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 4, 2026.
Search flights from Appleton to Denver by cabin class
Find flights from Appleton to Denver, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Appleton and Denver flights
Browse other Appleton and Denver flight options. Last updated on May 4, 2026.
Other flights from Appleton
Browse through other flights departing from Appleton. Flights are based on user searches made on Cheapflights and were last updated on May 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 May 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$178 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$223 | Average$388 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$328 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$228 | Average$305 | FlexibilityNo cancel fee | On-timeN/A |