$83+ Cheap flights from Appleton (ATW) to Colorado
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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — DEN
Jun 21 — Jun 281
Round-trip
1 adult, Economy
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Cheapest flights from Appleton to ColoradoExplore the most affordable flight options available from Appleton to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 22, 2026.
Explore the most affordable flight options available from Appleton to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 8/107:00 am
ATW
- DEN
1 stop21h 56m
Multiple Airlines
Mon 8/177:39 pm
DEN
- ATW
Nonstop2h 21m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 7/314:57 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Fri 8/77:39 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Deal found 5/21![Allegiant Air logo]()
$263
This Cheapflightsfares deal was found by Cheapflights users on 5/20. 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
Mon 7/207:18 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Deal found 5/20![Allegiant Air logo]()
$264
This Cheapflightsfares deal was found by Cheapflights users on 5/19. 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 5/225:35 pm
ATW
- DEN
Nonstop2h 39m
Allegiant Air
Mon 6/17:34 pm
DEN
- ATW
Nonstop2h 15m
Allegiant Air
Deal found 5/19![Allegiant Air logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 7/204:57 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Mon 7/277:18 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Deal found 5/20![Allegiant Air logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 7/204:57 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Fri 7/247:18 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Deal found 5/18![Allegiant Air logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 9/145:56 pm
ATW
- DEN
2 stops21h 04m
Multiple Airlines
Fri 9/187:50 pm
DEN
- ATW
Nonstop2h 17m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$268
This United Airlines deal was found by Cheapflights users on 5/18. 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.
Tue 7/218:40 am
ATW
- DEN
Nonstop2h 46m
United Airlines
Tue 7/285:40 pm
DEN
- ATW
Nonstop2h 24m
United Airlines
Deal found 5/18![United Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 7/104:57 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Mon 7/137:18 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Deal found 5/21![Allegiant Air logo]()
$273
This Cheapflightsfares deal was found by Cheapflights users on 5/18. 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 5/18![Allegiant Air logo]()
$274
This Delta deal was found by Cheapflights users on 5/19. 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.
Thu 9/107:00 am
ATW
- COS
2 stops11h 14m
Delta
Mon 9/141:40 pm
COS
- ATW
1 stop7h 17m
Delta
Deal found 5/19![Delta logo]()
$320
This Delta deal was found by Cheapflights users on 5/18. 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.
Tue 7/215:31 am
ATW
- COS
1 stop8h 01m
Delta
Wed 7/291:40 pm
COS
- ATW
1 stop7h 51m
Delta
Deal found 5/18![Delta logo]()
$325
Best flights from Appleton to ColoradoDiscover carefully curated flight deals from Appleton to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 22, 2026.
Discover carefully curated flight deals from Appleton to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 22, 2026.
This United Airlines deal was found by Cheapflights users on 5/21. 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 6/278:45 am
ATW
- DEN
Nonstop2h 46m
United Airlines
Fri 7/35:40 pm
DEN
- ATW
Nonstop2h 24m
United Airlines
Deal found 5/21![United Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 5/19. 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.
Tue 9/154:05 pm
ATW
- DEN
1 stop7h 24m
Delta
Mon 9/216:10 am
DEN
- ATW
1 stop4h 01m
Delta
Deal found 5/19![Delta logo]()
$289
This American Airlines deal was found by Cheapflights users on 5/17. 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.
Wed 8/266:00 am
ATW
- GJT
2 stops13h 26m
American Airlines
Tue 9/18:30 am
GJT
- ATW
2 stops13h 12m
American Airlines
Deal found 5/17![American Airlines logo]()
$395
This United Airlines deal was found by Cheapflights users on 5/18. 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.
Tue 6/28:45 am
ATW
- DEN
Nonstop2h 46m
United Airlines
Sat 6/66:00 am
DEN
- ATW
1 stop4h 44m
United Airlines
Deal found 5/18![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 5/19. 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.
Thu 9/107:00 am
ATW
- COS
2 stops11h 14m
Delta
Mon 9/141:40 pm
COS
- ATW
1 stop7h 17m
Delta
Deal found 5/19![Delta logo]()
$320
This United Airlines deal was found by Cheapflights users on 5/17. 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 7/228:40 am
ATW
- DEN
Nonstop2h 46m
United Airlines
Mon 7/275:40 pm
DEN
- ATW
Nonstop2h 24m
United Airlines
Deal found 5/17![United Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 5/18. 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.
Tue 7/215:31 am
ATW
- COS
1 stop8h 01m
Delta
Mon 7/271:40 pm
COS
- ATW
1 stop7h 51m
Delta
Deal found 5/18![Delta logo]()
$365
This United Airlines deal was found by Cheapflights users on 5/17. 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 7/25:29 pm
ATW
- DEN
1 stop7h 19m
United Airlines
Tue 7/75:40 pm
DEN
- ATW
Nonstop2h 24m
United Airlines
Deal found 5/17![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 5/20. 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.
Fri 10/236:01 am
ATW
- DRO
1 stop7h 01m
American Airlines
Tue 10/2712:40 pm
DRO
- ATW
2 stops9h 28m
American Airlines
Deal found 5/20![American Airlines logo]()
$471
This Delta deal was found by Cheapflights users on 5/21. 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.
Tue 6/25:30 am
ATW
- COS
1 stop8h 18m
Delta
Tue 6/91:40 pm
COS
- ATW
1 stop7h 50m
Delta
Deal found 5/21![Delta logo]()
$394
This United Airlines deal was found by Cheapflights users on 5/17. 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.
Tue 8/188:45 am
ATW
- DEN
Nonstop2h 45m
United Airlines
Tue 8/256:00 am
DEN
- ATW
1 stop4h 53m
United Airlines
Deal found 5/17![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 5/18. 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 6/15:30 am
ATW
- COS
1 stop8h 18m
Delta
Sat 6/131:40 pm
COS
- ATW
1 stop7h 50m
Delta
Deal found 5/18![Delta logo]()
$402
This United Airlines deal was found by Cheapflights users on 5/21. 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 7/308:45 am
ATW
- DEN
Nonstop2h 46m
United Airlines
Mon 8/35:40 pm
DEN
- ATW
Nonstop2h 24m
United Airlines
Deal found 5/21![United Airlines logo]()
$373
This American Airlines deal was found by Cheapflights users on 5/22. 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.
Thu 8/1312:35 pm
ATW
- DRO
1 stop8h 23m
American Airlines
Mon 8/1711:48 am
DRO
- ATW
2 stops11h 23m
American Airlines
Deal found 5/22![American Airlines logo]()
$498
This Delta deal was found by Cheapflights users on 5/21. 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 7/105:31 am
ATW
- COS
1 stop8h 01m
Delta
Tue 7/141:40 pm
COS
- ATW
1 stop7h 51m
Delta
Deal found 5/21![Delta logo]()
$406
This United Airlines deal was found by Cheapflights users on 5/21. 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 8/158:45 am
ATW
- DEN
Nonstop2h 45m
United Airlines
Sat 8/225:32 pm
DEN
- ATW
Nonstop2h 22m
United Airlines
Deal found 5/21![United Airlines logo]()
$388
This American Airlines deal was found by Cheapflights users on 5/22. 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.
Thu 8/1311:11 am
ATW
- GJT
2 stops11h 43m
American Airlines
Mon 8/1712:12 pm
GJT
- ATW
2 stops10h 59m
American Airlines
Deal found 5/22![American Airlines logo]()
$540
This Delta deal was found by Cheapflights users on 5/17. 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 10/165:29 am
ATW
- COS
1 stop8h 29m
Delta
Fri 10/236:00 am
COS
- ATW
2 stops9h 37m
Delta
Deal found 5/17![Delta logo]()
$420
This United Airlines deal was found by Cheapflights users on 5/18. 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 7/188:40 am
ATW
- GJT
1 stop7h 00m
United Airlines
Mon 7/271:33 pm
GJT
- ATW
1 stop6h 31m
United Airlines
Deal found 5/18![United Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 5/19. 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 7/189:48 am
ATW
- GJT
2 stops15h 28m
American Airlines
Mon 7/274:55 pm
GJT
- ATW
2 stops16h 50m
American Airlines
Deal found 5/19![American Airlines logo]()
$542
This United Airlines deal was found by Cheapflights users on 5/21. 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 8/68:45 am
ATW
- DEN
Nonstop2h 46m
United Airlines
Tue 8/116:00 am
DEN
- ATW
1 stop7h 02m
United Airlines
Deal found 5/21![United Airlines logo]()
$406
This Delta deal was found by Cheapflights users on 5/21. 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.
Thu 7/95:31 am
ATW
- COS
1 stop8h 01m
Delta
Tue 7/141:40 pm
COS
- ATW
1 stop7h 51m
Delta
Deal found 5/21![Delta logo]()
$482
This United Airlines deal was found by Cheapflights users on 5/19. 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.
Sun 6/288:45 am
ATW
- DEN
Nonstop2h 46m
United Airlines
Tue 6/305:40 pm
DEN
- ATW
Nonstop2h 24m
United Airlines
Deal found 5/19![United Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 5/18. 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.
Tue 7/215:31 am
ATW
- COS
1 stop8h 01m
Delta
Sun 7/266:16 pm
COS
- ATW
2 stops15h 31m
Delta
Deal found 5/18![Delta logo]()
$501
This United Airlines deal was found by Cheapflights users on 5/17. 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 8/268:45 am
ATW
- GJT
1 stop4h 53m
United Airlines
Tue 9/11:40 pm
GJT
- ATW
1 stop6h 14m
United Airlines
Deal found 5/17![United Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 5/18. 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 6/15:30 am
ATW
- COS
1 stop8h 18m
Delta
Fri 6/121:40 pm
COS
- ATW
1 stop7h 50m
Delta
Deal found 5/18![Delta logo]()
$504
This United Airlines deal was found by Cheapflights users on 5/20. 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 8/18:45 am
ATW
- DEN
Nonstop2h 46m
United Airlines
Wed 8/55:40 pm
DEN
- ATW
Nonstop2h 24m
United Airlines
Deal found 5/20![United Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 5/21. 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 10/318:30 am
ATW
- ASE
1 stop6h 51m
United Airlines
Wed 11/43:30 pm
ASE
- ATW
2 stops7h 56m
United Airlines
Deal found 5/21![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 5/18. 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 7/206:00 am
ATW
- COS
2 stops12h 35m
Delta
Mon 7/271:40 pm
COS
- ATW
1 stop7h 51m
Delta
Deal found 5/18![Delta logo]()
$561
This United Airlines deal was found by Cheapflights users on 5/21. 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.
Mon 8/243:00 pm
ATW
- ASE
1 stop7h 53m
United Airlines
Sat 8/291:15 pm
ASE
- ATW
1 stop6h 39m
United Airlines
Deal found 5/21![United Airlines logo]()
$519
Last-minute flights from Appleton to ColoradoDiscover last-minute flight deals from Appleton to Colorado. Data last updated May 22, 2026 and is based on user searches.
Discover last-minute flight deals from Appleton to Colorado. Data last updated May 22, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 5/19. 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 5/225:35 pm
ATW
- DEN
Nonstop2h 39m
Allegiant Air
Mon 6/17:34 pm
DEN
- ATW
Nonstop2h 15m
Allegiant Air
Deal found 5/19![Allegiant Air logo]()
$265
This Cheapflightsfares deal was found by Cheapflights users on 5/19. 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 5/225:35 pm
ATW
- DEN
Nonstop2h 39m
Allegiant Air
Fri 5/297:34 pm
DEN
- ATW
Nonstop2h 15m
Allegiant Air
Deal found 5/19![Allegiant Air logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 5/312:28 pm
ATW
- DEN
1 stop18h 40m
Multiple Airlines
Mon 6/17:34 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$281
This Cheapflightsfares deal was found by Cheapflights users on 5/17. 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 6/15:05 pm
ATW
- DEN
Nonstop2h 39m
Allegiant Air
Mon 6/87:29 pm
DEN
- ATW
Nonstop2h 15m
Allegiant Air
Deal found 5/17![Allegiant Air logo]()
$264
This Delta deal was found by Cheapflights users on 5/18. 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 6/15:30 am
ATW
- COS
1 stop8h 18m
Delta
Tue 6/91:40 pm
COS
- ATW
1 stop7h 50m
Delta
Deal found 5/18![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 5/18. 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 6/15:30 am
ATW
- COS
1 stop8h 18m
Delta
Mon 6/88:14 am
COS
- ATW
2 stops13h 16m
Delta
Deal found 5/18![Delta logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 5/17. 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.
Tue 6/28:30 am
ATW
- DEN
1 stop11h 55m
Multiple Airlines
Fri 6/127:29 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 5/17. 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.
Tue 6/98:30 am
ATW
- DEN
1 stop12h 16m
Multiple Airlines
Fri 6/127:29 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 6/124:58 pm
ATW
- DEN
Nonstop2h 41m
Allegiant Air
Mon 6/157:29 pm
DEN
- ATW
Nonstop2h 15m
Allegiant Air
Deal found 5/21![Allegiant Air logo]()
$269
This United Airlines deal was found by Cheapflights users on 5/18. 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 6/136:45 pm
ATW
- DEN
1 stop6h 07m
United Airlines
Tue 6/165:40 pm
DEN
- ATW
Nonstop2h 24m
United Airlines
Deal found 5/18![United Airlines logo]()
$279
This Cheapflightsfares deal was found by Cheapflights users on 5/18. 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 5/18![Allegiant Air logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 6/297:00 am
ATW
- DEN
1 stop21h 58m
Multiple Airlines
Fri 7/107:18 pm
DEN
- ATW
Nonstop2h 21m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$275
One-way flights from Appleton to ColoradoSearch for one-way flight options from Appleton to Colorado. Find affordable one-way fares based on user searches. Data last updated May 22, 2026.
Search for one-way flight options from Appleton to Colorado. Find affordable one-way fares based on user searches. Data last updated May 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 9/211:27 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Deal found 5/19![Allegiant Air logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 5/20![Allegiant Air logo]()
$87
This Cheapflightsfares deal was found by Cheapflights users on 5/21. 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 5/21![Allegiant Air logo]()
$89
This Cheapflightsfares deal was found by Cheapflights users on 5/21. 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 7/34:57 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Deal found 5/21![Allegiant Air logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 5/18![Allegiant Air logo]()
$107
This Cheapflightsfares deal was found by Cheapflights users on 5/19. 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 6/224:58 pm
ATW
- DEN
Nonstop2h 41m
Allegiant Air
Deal found 5/19![Allegiant Air logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 5/19![Allegiant Air logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 5/18![Allegiant Air logo]()
$136
This Cheapflightsfares deal was found by Cheapflights users on 5/19. 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 5/19![Allegiant Air logo]()
$141
This Delta deal was found by Cheapflights users on 5/19. 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.
Thu 7/92:03 pm
ATW
- COS
2 stops9h 38m
Delta
Deal found 5/19![Delta logo]()
$188
This Delta deal was found by Cheapflights users on 5/20. 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 6/245:31 am
ATW
- COS
1 stop8h 04m
Delta
Deal found 5/20![Delta logo]()
$250
This American Airlines deal was found by Cheapflights users on 5/22. 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.
Fri 6/511:17 am
ATW
- GJT
2 stops11h 38m
American Airlines
Deal found 5/22![American Airlines logo]()
$270
Find flight deals from Appleton to Colorado
Keep the following information in mind while searching for Appleton to Colorado flight deals. Data was last updated May 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $262 (Kiwi.com) |
One-way from | $83 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $339 |
Good round-trip deal | $294 or less |
Good one-way deal | $213 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Appleton to Colorado 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 22, 2026.
Use the filters below to find and compare flights from Appleton to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Sat 6/27
8:45 am-10:31 am
Nonstop2h 46m
Denver Intl
Fri 7/3
5:40 pm-9:04 pm
Nonstop2h 24m
$269
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Tue 9/15
4:05 pm-10:29 pm
1 stop7h 24m
Denver Intl
Mon 9/21
6:10 am-11:11 am
1 stop4h 01m
$289
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Tue 6/2
8:45 am-10:31 am
Nonstop2h 46m
Denver Intl
Sat 6/6
6:00 am-11:44 am
1 stop4h 44m
$319
AppletonColorado Springs
ATW - COS
ATWCOS
Appleton Intl
Thu 9/10
7:00 am-5:14 pm
2 stops11h 14m
Colorado Springs
Mon 9/14
1:40 pm-9:57 pm
1 stop7h 17m
$320
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Wed 7/22
8:40 am-10:26 am
Nonstop2h 46m
Denver Intl
Mon 7/27
5:40 pm-9:04 pm
Nonstop2h 24m
$354
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Thu 7/2
5:29 pm-11:48 pm
1 stop7h 19m
Denver Intl
Tue 7/7
5:40 pm-9:04 pm
Nonstop2h 24m
$359
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Tue 8/18
8:45 am-10:30 am
Nonstop2h 45m
Denver Intl
Tue 8/25
6:00 am-11:53 am
1 stop4h 53m
$359
AppletonColorado Springs
ATW - COS
ATWCOS
Appleton Intl
Tue 7/21
5:31 am-12:32 pm
1 stop8h 01m
Colorado Springs
Mon 7/27
1:40 pm-10:31 pm
1 stop7h 51m
$365
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Thu 7/30
8:45 am-10:31 am
Nonstop2h 46m
Denver Intl
Mon 8/3
5:40 pm-9:04 pm
Nonstop2h 24m
$373
Quickest round-trip
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Sat 8/15
8:45 am-10:30 am
Nonstop2h 45m
Denver Intl
Sat 8/22
5:32 pm-8:54 pm
Nonstop2h 22m
$388
Showing 1-10 of 50 resultsSorted by cheapest first
Best time to book a flight from Appleton to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Appleton with our price prediction graph.
ATW-DEN
ATW-COS
ATW-GJT
ATW-DRO
ATW-ASE
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 Colorado
ATW-USCO
ATW-DEN
ATW-COS
ATW-GJT
ATW-DRO
What is the cheapest month to book a flight from Appleton to Colorado?
Currently, July is the cheapest month in which you can book a flight from Appleton to Colorado (average of $79). Flying from Appleton to Colorado in March is currently the most expensive (average of $228). 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 CO?
Find hourly flight availability from Appleton to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 22, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Appleton to Colorado as you normally would.
How much does it cost to fly round-trip from Appleton to Colorado?
How far ahead should I book a flight from Appleton to Colorado?
The price you pay for your flight from Appleton to Colorado may vary depending on when you book. For the best chance of a lower fare, look to book 89 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated May 22, 2026.
Read through reviews of airlines operating flights from Appleton to Colorado, such as Delta,United Airlines, andAllegiant Air. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Overall
7.9
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Overall
7.9
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Overall
7.9
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Overall
7.9
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Overall
7.9
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Appleton to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Appleton to Colorado
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Complete your trip
Complete your trip to Colorado by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Appleton to Colorado by cabin class
Find flights from Appleton to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Appleton and Colorado flights
Browse other Appleton and Colorado flight options. Last updated on May 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Appleton to Colorado flights
Consider these flights traveling from Appleton to Colorado.
Top 4 airlines flying from Appleton to Colorado
Discover the top 4 airlines that operate flights from Appleton to Colorado. 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 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$182 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$168 | Average$334 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$223 | Average$474 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$372 | FlexibilityNo cancel fee | On-time71% |