$163+ Cheap flights from Denver (DEN) to Oshkosh, WI
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — MKE
Dec 13 — Dec 201
Round-trip
1 adult, Economy
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Find cheap flights from Denver to Oshkosh 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 Denver Intl to Oshkosh are usually found in March or May, booked 82 days in advance, depart on a Monday or Friday and return on a Monday
Cheap flight deals from Denver to Oshkosh
Cheapest
Best
Last-minute
One-way
Cheapest flights from Denver to OshkoshExplore the most affordable flight options available from Denver to Oshkosh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2026.
Explore the most affordable flight options available from Denver to Oshkosh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 12/910:18 am -
2 stops21h 38m
Sat 12/129:00 am -
1 stop15h 47m
Deal found 11/11![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 12/910:18 am -
2 stops21h 38m
Wed 12/239:07 am -
1 stop13h 29m
Deal found 11/12![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 12/257:39 am -
1 stop13h 39m
Mon 1/48:56 pm -
2 stops24h 33m
Deal found 11/10![Multiple Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 12/2410:29 pm -
1 stop22h 49m
Mon 1/48:56 pm -
2 stops24h 33m
Deal found 11/11![Multiple Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 11/12. 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 12/46:27 pm -
Nonstop2h 39m
Wed 12/98:10 am -
Nonstop3h 13m
Deal found 11/12![United Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 12/910:18 am -
2 stops21h 38m
Fri 12/117:00 am -
1 stop11h 48m
Deal found 11/11![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 12/910:18 am -
2 stops21h 38m
Sun 12/132:25 pm -
1 stop19h 51m
Deal found 11/11![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 12/1610:18 am -
2 stops35h 32m
Wed 12/239:07 am -
1 stop13h 29m
Deal found 11/11![Multiple Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 11/12. 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 12/166:27 pm -
Nonstop2h 39m
Sun 1/108:02 am -
1 stop7h 58m
Deal found 11/12![United Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 12/1610:42 pm -
1 stop11h 16m
Sun 1/106:31 pm -
2 stops46h 29m
Deal found 11/11![Multiple Airlines logo]()
$360
Best flights from Denver to OshkoshDiscover carefully curated flight deals from Denver to Oshkosh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 13, 2026.
Discover carefully curated flight deals from Denver to Oshkosh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 13, 2026.
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/285:50 am -
1 stop4h 57m
Mon 1/185:00 pm -
1 stop6h 19m
Deal found 11/9![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 11/12. 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 12/36:30 am -
1 stop4h 29m
Wed 12/96:00 am -
1 stop7h 20m
Deal found 11/12![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 11/13. 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 12/106:30 am -
1 stop4h 29m
Tue 12/155:39 pm -
1 stop7h 10m
Deal found 11/13![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 11/11. 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 12/245:40 pm -
Nonstop2h 27m
Mon 1/42:50 pm -
1 stop8h 32m
Deal found 11/11![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 11/11. 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 12/96:30 am -
1 stop4h 29m
Tue 12/155:18 am -
2 stops15h 37m
Deal found 11/11![Delta logo]()
$464
This United Airlines deal was found by Cheapflights users on 11/12. 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 11/275:25 pm -
Nonstop2h 23m
Tue 12/18:10 am -
Nonstop3h 13m
Deal found 11/12![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/215:25 pm -
Nonstop2h 23m
Wed 11/258:00 am -
1 stop8h 17m
Deal found 11/9![United Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/275:50 am -
1 stop7h 25m
Sat 1/28:26 am -
Nonstop3h 09m
Deal found 11/8![United Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 11/11. 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 12/175:50 am -
1 stop4h 57m
Sun 12/208:26 am -
Nonstop3h 09m
Deal found 11/11![United Airlines logo]()
$560
This United Airlines deal was found by Cheapflights users on 11/10. 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 12/225:40 pm -
Nonstop2h 27m
Mon 1/48:26 am -
Nonstop3h 09m
Deal found 11/10![United Airlines logo]()
$568
This United Airlines deal was found by Cheapflights users on 11/12. 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 12/195:40 pm -
Nonstop2h 27m
Sat 1/28:26 am -
Nonstop3h 09m
Deal found 11/12![United Airlines logo]()
$578
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/235:25 pm -
Nonstop2h 23m
Fri 11/279:50 am -
1 stop7h 33m
Deal found 11/9![United Airlines logo]()
$654
Last-minute flights from Denver to OshkoshDiscover last-minute flight deals from Denver to Oshkosh. Data last updated November 13, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Oshkosh. Data last updated November 13, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 11/12. 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 12/46:27 pm -
Nonstop2h 39m
Wed 12/98:10 am -
Nonstop3h 13m
Deal found 11/12![United Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 12/910:18 am -
2 stops21h 38m
Sat 12/129:00 am -
1 stop15h 47m
Deal found 11/11![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 12/910:18 am -
2 stops21h 38m
Wed 12/239:07 am -
1 stop13h 29m
Deal found 11/12![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 12/910:18 am -
2 stops21h 38m
Fri 12/117:00 am -
1 stop11h 48m
Deal found 11/11![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 12/910:18 am -
2 stops21h 38m
Sun 12/132:25 pm -
1 stop19h 51m
Deal found 11/11![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 12/1610:18 am -
2 stops35h 32m
Wed 12/239:07 am -
1 stop13h 29m
Deal found 11/11![Multiple Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 11/12. 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 12/166:27 pm -
Nonstop2h 39m
Sun 12/208:26 am -
Nonstop3h 09m
Deal found 11/12![United Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 12/1610:42 pm -
1 stop11h 16m
Sun 1/106:31 pm -
2 stops46h 29m
Deal found 11/11![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 12/2410:29 pm -
1 stop22h 49m
Mon 1/48:56 pm -
2 stops24h 33m
Deal found 11/11![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 12/257:39 am -
1 stop13h 39m
Mon 1/48:56 pm -
2 stops24h 33m
Deal found 11/10![Multiple Airlines logo]()
$343
One-way flights from Denver to OshkoshSearch for one-way flight options from Denver to Oshkosh. Find affordable one-way fares based on user searches. Data last updated November 13, 2026.
Search for one-way flight options from Denver to Oshkosh. Find affordable one-way fares based on user searches. Data last updated November 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 12/86:00 am -
2 stops49h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 12/236:22 pm -
2 stops51h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Multiple Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 12/310:25 am -
2 stops23h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$178
This American Airlines deal was found by Cheapflights users on 11/12. 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 11/268:20 am -
1 stop7h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![American Airlines logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 12/1010:34 am -
1 stop10h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$208
This American Airlines deal was found by Cheapflights users on 11/13. 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 1/2912:25 pm -
1 stop4h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/13![American Airlines logo]()
$210
This American Airlines deal was found by Cheapflights users on 11/13. 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 11/253:10 pm -
2 stops7h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/13![American Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
Sat 12/129:26 pm -
2 stops24h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$220
Find flight deals from Denver to Oshkosh
Keep the following information in mind while searching for Denver to Oshkosh flight deals. Data was last updated November 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $309 (Kiwi.com) |
One-way from | $163 (Kiwi.com) |
Popular in | November |
Cheapest in | March |
Average price | $468 |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver to Oshkosh 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 7,457,451 searches. Data last updated November 13, 2026.
Use the filters below to find and compare flights from Denver to Oshkosh that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverAppleton
DEN Denver Intl - ATW Appleton Intl
DENATW
Denver Intl
Thu 12/3
10:43 am-10:10 pm
1 stop10h 27m
Appleton Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$203
DenverAppleton
DEN Denver Intl - ATW Appleton Intl
DENATW
Denver Intl
Thu 12/17
6:18 pm-11:59 pm
1 stop4h 41m
Appleton Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$205
DenverAppleton
DEN Denver Intl - ATW Appleton Intl
DENATW
Denver Intl
Sun 4/11
5:42 pm-11:16 pm
1 stop4h 34m
Appleton Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$224
DenverAppleton
DEN Denver Intl - ATW Appleton Intl
DENATW
Denver Intl
Sat 12/12
11:59 pm-11:07 pm
3 stops46h 08m
Appleton Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$293
DenverAppleton
DEN Denver Intl - ATW Appleton Intl
DENATW
Denver Intl
Thu 12/10
6:27 pm-10:06 pm
Nonstop2h 39m
Appleton Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$294
DenverAppleton
DEN Denver Intl - ATW Appleton Intl
DENATW
Denver Intl
Mon 12/7
6:27 pm-10:06 pm
Nonstop2h 39m
Appleton Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$294
DenverAppleton
DEN Denver Intl - ATW Appleton Intl
DENATW
Denver Intl
Wed 12/16
6:27 pm-10:06 pm
Nonstop2h 39m
Appleton Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$294
DenverAppleton
DEN Denver Intl - ATW Appleton Intl
DENATW
Denver Intl
Thu 12/3
6:27 pm-10:06 pm
Nonstop2h 39m
Appleton Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$294
DenverAppleton
DEN Denver Intl - ATW Appleton Intl
DENATW
Denver Intl
Sat 1/2
5:50 am-2:15 pm
1 stop7h 25m
Appleton Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$309
Quickest round-trip
DenverAppleton
DEN Denver Intl - ATW Appleton Intl
DENATW
Denver Intl
Fri 1/29
5:40 pm-9:11 pm
Nonstop2h 31m
Appleton Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$344
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Denver to Oshkosh
Have a flexible travel schedule? Discover the best time to fly to Oshkosh from Denver with our price prediction graph.
DEN-ATW
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 Denver to Oshkosh
DEN-OS9
DEN-ATW
What is the cheapest time of day to fly from DEN to OS9?
Find hourly flight availability from Denver to Oshkosh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2026.
It’s typically best to fly out from Denver to Oshkosh in the morning. Doing so could potentially save you 15% on the flight price compared to flying at noon, which is usually more expensive.
Weekly flight availability from Denver to Oshkosh
Explore weekly flight availability from Denver to Oshkosh. 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 November 13, 2026.
The most flights from DEN to OS9 are scheduled on a Thursday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Denver to Oshkosh?
Airfare is below average for this route at the moment.
Denver to Oshkosh flights typically cost between $338 and $773 in December.The cheapest round-trip price found within the last 5 days was $309 on Multiple Airlines (Dec 9-Dec 12).
What is the cheapest day to fly from Denver to Oshkosh?
Use this chart to determine the cheapest time to fly round-trip from Denver to Oshkosh. Price data was last updated on November 7, 2026.
Travelers seeking maximum savings on their Denver to Oshkosh flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Oshkosh
Get insights into the airlines that provide service to Oshkosh. 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 Oshkosh. Reviews last updated November 13, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAllegiant Air from Denver to Oshkosh to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.2
Overall
7.8
Comfort
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Food
7.2
Overall
7.8
Comfort
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Food
7.2
Overall
7.8
Comfort
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Food
7.2
Overall
7.8
Comfort
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Food
7.2
Overall
7.8
Comfort
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
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Top 6 airlines flying from Denver to Oshkosh
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$69 | Average$243 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$110 | Average$214 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$229 | Average$377 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$236 | Average$369 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$250 | Average$398 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$266 | Average$438 | FlexibilityNo cancel fee | On-time63% |