$81+ Cheap flights from Oshkosh, WI to Denver (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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — DEN
Μαϊ 20 — Μαϊ 271
Round-trip
1 adult, Economy
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Find cheap flights from Oshkosh 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
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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 Oshkosh 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 Oshkosh to Denver
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Cheapest flights from Oshkosh to DenverExplore the most affordable flight options available from Oshkosh to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on Απρίλιος 20, 2026.
Explore the most affordable flight options available from Oshkosh to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on Απρίλιος 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Παρ 6/124:58 pm
ATW
- DEN
Nonstop2h 41m
Allegiant Air
Δευ 6/157:29 pm
DEN
- ATW
Nonstop2h 15m
Allegiant Air
Deal found 4/15![Allegiant Air logo]()
$233
This Cheapflightsfares deal was found by Cheapflights users on 4/15. 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.
Παρ 6/264:58 pm
ATW
- DEN
Nonstop2h 41m
Allegiant Air
Παρ 7/37:18 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Deal found 4/15![Allegiant Air logo]()
$235
This Cheapflightsfares deal was found by Cheapflights users on 4/15. 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.
Παρ 7/174:57 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Παρ 7/247:18 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Deal found 4/15![Allegiant Air logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Κυρ 5/173:17 pm
ATW
- DEN
1 stop18h 07m
Multiple Airlines
Παρ 5/297:34 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Δευ 7/204:57 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Δευ 7/277:18 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Deal found 4/15![Allegiant Air logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Παρ 5/299:25 am
ATW
- DEN
1 stop14h 12m
Multiple Airlines
Δευ 6/17:34 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Παρ 5/297:30 am
ATW
- DEN
1 stop9h 53m
Multiple Airlines
Παρ 6/57:29 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$244
This Cheapflightsfares deal was found by Cheapflights users on 4/15. 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.
Παρ 5/225:35 pm
ATW
- DEN
Nonstop2h 39m
Allegiant Air
Παρ 5/297:34 pm
DEN
- ATW
Nonstop2h 15m
Allegiant Air
Deal found 4/15![Allegiant Air logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 4/19. 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.
Παρ 7/104:57 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Δευ 7/137:18 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Deal found 4/19![Allegiant Air logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Σαβ 5/302:33 pm
ATW
- DEN
1 stop10h 36m
Multiple Airlines
Δευ 6/17:34 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 4/19. 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.
Δευ 5/187:00 am
ATW
- DEN
2 stops15h 10m
Multiple Airlines
Παρ 5/228:04 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$249
Best flights from Oshkosh to DenverDiscover carefully curated flight deals from Oshkosh to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated Απρίλιος 20, 2026.
Discover carefully curated flight deals from Oshkosh to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated Απρίλιος 20, 2026.
This United Airlines deal was found by Cheapflights users on 4/19. 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.
Τρι 5/122:43 pm
ATW
- DEN
1 stop5h 57m
United Airlines
Σαβ 5/165:35 pm
DEN
- ATW
Nonstop2h 31m
United Airlines
Deal found 4/19![United Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 4/20. 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.
Τετ 8/264:05 pm
ATW
- DEN
1 stop7h 24m
Delta
Κυρ 8/306:45 am
DEN
- ATW
1 stop5h 01m
Delta
Deal found 4/20![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 4/16. 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.
Τετ 9/95:29 am
ATW
- DEN
1 stop7h 57m
Delta
Κυρ 9/136:10 am
DEN
- ATW
1 stop4h 01m
Delta
Deal found 4/16![Delta logo]()
$314
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Παρ 5/228:45 am
ATW
- DEN
Nonstop2h 46m
United Airlines
Σαβ 5/305:40 pm
DEN
- ATW
Nonstop2h 24m
United Airlines
Deal found 4/17![United Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 4/18. 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.
Παρ 6/196:33 pm
ATW
- DEN
1 stop5h 20m
Delta
Δευ 6/226:00 am
DEN
- ATW
1 stop3h 47m
Delta
Deal found 4/18![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Σαβ 7/188:40 am
ATW
- DEN
Nonstop2h 46m
United Airlines
Σαβ 7/254:40 pm
DEN
- ATW
1 stop5h 20m
United Airlines
Deal found 4/16![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Τετ 9/98:30 am
ATW
- DEN
Nonstop2h 44m
United Airlines
Κυρ 9/136:00 am
DEN
- ATW
1 stop4h 46m
United Airlines
Deal found 4/16![United Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 4/19. 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.
Παρ 9/254:05 pm
ATW
- DEN
1 stop4h 53m
Delta
Τετ 9/306:10 am
DEN
- ATW
1 stop4h 01m
Delta
Deal found 4/19![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 4/18. 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.
Κυρ 9/204:05 pm
ATW
- DEN
1 stop7h 24m
Delta
Σαβ 9/266:10 am
DEN
- ATW
1 stop4h 01m
Delta
Deal found 4/18![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Πεμ 5/288:10 pm
ATW
- DEN
1 stop5h 43m
United Airlines
Δευ 6/15:40 pm
DEN
- ATW
Nonstop2h 24m
United Airlines
Deal found 4/15![United Airlines logo]()
$398
Last-minute flights from Oshkosh to DenverDiscover last-minute flight deals from Oshkosh to Denver. Data last updated Απρίλιος 20, 2026 and is based on user searches.
Discover last-minute flight deals from Oshkosh to Denver. Data last updated Απρίλιος 20, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Κυρ 5/173:17 pm
ATW
- DEN
1 stop18h 07m
Multiple Airlines
Παρ 5/297:34 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 4/19. 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.
Δευ 5/187:00 am
ATW
- DEN
2 stops15h 10m
Multiple Airlines
Παρ 5/228:04 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$249
This Cheapflightsfares deal was found by Cheapflights users on 4/15. 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.
Παρ 5/225:35 pm
ATW
- DEN
Nonstop2h 39m
Allegiant Air
Παρ 5/297:34 pm
DEN
- ATW
Nonstop2h 15m
Allegiant Air
Deal found 4/15![Allegiant Air logo]()
$245
This Cheapflightsfares deal was found by Cheapflights users on 4/16. 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.
Παρ 5/225:35 pm
ATW
- DEN
Nonstop2h 39m
Allegiant Air
Δευ 6/17:34 pm
DEN
- ATW
Nonstop2h 15m
Allegiant Air
Deal found 4/16![Allegiant Air logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 4/18. 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.
Δευ 5/255:05 pm
ATW
- DEN
Nonstop2h 39m
Allegiant Air
Δευ 6/87:29 pm
DEN
- ATW
Nonstop2h 15m
Allegiant Air
Deal found 4/18![Allegiant Air logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 4/18. 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.
Τετ 5/277:30 am
ATW
- DEN
2 stops17h 39m
Multiple Airlines
Παρ 6/57:29 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Παρ 5/299:25 am
ATW
- DEN
1 stop14h 12m
Multiple Airlines
Δευ 6/17:34 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Παρ 5/297:30 am
ATW
- DEN
1 stop9h 53m
Multiple Airlines
Παρ 6/57:29 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Παρ 5/295:05 pm
ATW
- DEN
Nonstop2h 39m
Multiple Airlines
Τρι 6/24:07 pm
DEN
- ATW
2 stops23h 37m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Σαβ 5/302:33 pm
ATW
- DEN
1 stop10h 36m
Multiple Airlines
Δευ 6/17:34 pm
DEN
- ATW
Nonstop2h 15m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$247
One-way flights from Oshkosh to DenverSearch for one-way flight options from Oshkosh to Denver. Find affordable one-way fares based on user searches. Data last updated Απρίλιος 20, 2026.
Search for one-way flight options from Oshkosh to Denver. Find affordable one-way fares based on user searches. Data last updated Απρίλιος 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Παρ 5/295:05 pm
ATW
- DEN
Nonstop2h 39m
Allegiant Air
Deal found 4/16![Allegiant Air logo]()
$81
This Cheapflightsfares deal was found by Cheapflights users on 4/16. 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.
Δευ 8/248:45 am
ATW
- DEN
Nonstop2h 34m
Allegiant Air
Deal found 4/16![Allegiant Air logo]()
$89
This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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.
Δευ 7/134:57 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Deal found 4/17![Allegiant Air logo]()
$99
This Cheapflightsfares deal was found by Cheapflights users on 4/19. 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.
Δευ 7/64:57 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Deal found 4/19![Allegiant Air logo]()
$141
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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.
Παρ 6/124:58 pm
ATW
- DEN
Nonstop2h 41m
Allegiant Air
Deal found 4/20![Allegiant Air logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 4/19. 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.
Τετ 7/157:30 am
ATW
- DEN
1 stop29h 53m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Δευ 7/137:00 am
ATW
- DEN
1 stop21h 58m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Παρ 5/296:55 pm
ATW
- DEN
2 stops29h 09m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 4/19. 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.
Κυρ 5/312:44 pm
ATW
- DEN
2 stops24h 53m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 4/19. 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.
Πεμ 7/162:44 pm
ATW
- DEN
2 stops25h 12m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$183
Find flight deals from Oshkosh to Denver
Keep the following information in mind while searching for Oshkosh to Denver flight deals. Data was last updated Απρίλιος 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $233 (Kiwi.com) |
One-way from | $81 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $353 |
Cheapflights Fare Finder
Customize your flight search to find flights from Oshkosh 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 Απρίλιος 20, 2026.
Use the filters below to find and compare flights from Oshkosh to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Τρι 5/12
2:43 pm-7:40 pm
1 stop5h 57m
Denver Intl
Σαβ 5/16
5:35 pm-9:06 pm
Nonstop2h 31m
$279
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Τετ 8/26
4:05 pm-10:29 pm
1 stop7h 24m
Denver Intl
Κυρ 8/30
6:45 am-12:46 pm
1 stop5h 01m
$289
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Τετ 9/9
5:29 am-12:26 pm
1 stop7h 57m
Denver Intl
Κυρ 9/13
6:10 am-11:11 am
1 stop4h 01m
$314
Quickest round-trip
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Παρ 5/22
8:45 am-10:31 am
Nonstop2h 46m
Denver Intl
Σαβ 5/30
5:40 pm-9:04 pm
Nonstop2h 24m
$334
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Παρ 6/19
6:33 pm-10:53 pm
1 stop5h 20m
Denver Intl
Δευ 6/22
6:00 am-10:47 am
1 stop3h 47m
$334
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Σαβ 7/18
8:40 am-10:26 am
Nonstop2h 46m
Denver Intl
Σαβ 7/25
4:40 pm-11:00 pm
1 stop5h 20m
$359
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Τετ 9/9
8:30 am-10:14 am
Nonstop2h 44m
Denver Intl
Κυρ 9/13
6:00 am-11:46 am
1 stop4h 46m
$366
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Παρ 9/25
4:05 pm-7:58 pm
1 stop4h 53m
Denver Intl
Τετ 9/30
6:10 am-11:11 am
1 stop4h 01m
$384
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Κυρ 9/20
4:05 pm-10:29 pm
1 stop7h 24m
Denver Intl
Σαβ 9/26
6:10 am-11:11 am
1 stop4h 01m
$384
AppletonDenver
ATW - DEN
ATWDEN
Appleton Intl
Πεμ 5/28
8:10 pm-12:53 am
1 stop5h 43m
Denver Intl
Δευ 6/1
5:40 pm-9:04 pm
Nonstop2h 24m
$398
Showing 1-10 of 19 resultsSorted by cheapest first
Best time to book a flight from Oshkosh to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Oshkosh 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 Oshkosh to Denver
OS9-DEN
ATW-DEN
How far ahead should I book a flight from Oshkosh to Denver?
Use this chart to determine the optimal time to book a round-trip flight from Oshkosh to Denver. Price data was last updated on April 17, 2026.
The best time to book flights from Oshkosh to Denver is 90 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 time of day to fly from OS9 to DEN?
Find hourly flight availability from Oshkosh 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 Απρίλιος 20, 2026.
It’s typically best to fly out from Oshkosh to Denver in the evening. Doing so could potentially save you 42% on the flight price compared to flying in the morning, which is usually more expensive.
What is the cheapest day to fly from Oshkosh to Denver?
Use this chart to determine the cheapest time to fly round-trip from Oshkosh to Denver. Price data was last updated on April 18, 2026.
Travelers seeking maximum savings on their Oshkosh to Denver flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Oshkosh to Denver
Explore weekly flight availability from Oshkosh to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated Απρίλιος 20, 2026.
The most flights from OS9 to DEN are scheduled on a Monday (7 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Oshkosh to Denver?
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 Απρίλιος 20, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAllegiant Air from Oshkosh 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
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Oshkosh 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
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Oshkosh to Denver
See prices for flight routes from nearby airports that may be better suited for you.
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 Απρίλιος 20, 2026.
Search flights from Oshkosh to Denver by cabin class
Find flights from Oshkosh to Denver, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Oshkosh and Denver flights
Browse other Oshkosh and Denver flight options. Last updated on Απρίλιος 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Oshkosh to Denver flights
Consider these flights traveling from Oshkosh to Denver.
Top 6 airlines flying from Oshkosh to Denver
Discover the top 6 airlines that operate flights from Oshkosh 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 Απρίλιος 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$66 | Average$190 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$97 | Average$173 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$152 | Average$323 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$173 | Average$363 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$185 | Average$324 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$201 | Average$388 | FlexibilityNo cancel fee | On-time63% |