$78+ Cheap flights from Denver (DEN) to Oshkosh, WI
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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — MKE
Aug 22 — Aug 291
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 October or September, booked 44 days in advance, depart on a Monday or Sunday 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 July 23, 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 July 23, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 7/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:50 pm
DEN
- ATW
Nonstop2h 17m
Allegiant Air
Mon 9/281:27 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Deal found 7/22![Allegiant Air logo]()
$151
This Cheapflightsfares deal was found by Cheapflights users on 7/18. 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.
Mon 8/107:39 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Mon 8/175:08 pm
ATW
- DEN
Nonstop2h 41m
Allegiant Air
Deal found 7/18![Allegiant Air logo]()
$172
This Cheapflightsfares deal was found by Cheapflights users on 7/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:50 pm
DEN
- ATW
Nonstop2h 17m
Allegiant Air
Mon 10/195:29 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Deal found 7/22![Allegiant Air logo]()
$173
This Booking.com deal was found by Cheapflights users on 7/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:50 pm
DEN
- ATW
Nonstop2h 17m
Allegiant Air
Fri 10/165:29 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Deal found 7/22![Allegiant Air logo]()
$177
This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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 9/47:53 pm
DEN
- ATW
Nonstop2h 17m
Allegiant Air
Mon 9/211:27 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Deal found 7/23![Allegiant Air logo]()
$184
This Cheapflightsfares deal was found by Cheapflights users on 7/18. 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 10/98:21 pm
DEN
- ATW
Nonstop2h 16m
Allegiant Air
Mon 10/125:29 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Deal found 7/18![Allegiant Air logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:50 pm
DEN
- ATW
Nonstop2h 17m
Multiple Airlines
Mon 9/286:30 am
ATW
- DEN
1 stop16h 19m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$197
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 July 23, 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 July 23, 2026.
This Delta deal was found by Cheapflights users on 7/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am
DEN
- ATW
1 stop4h 38m
Delta
Sun 10/255:25 pm
ATW
- DEN
1 stop7h 10m
Delta
Deal found 7/22![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 7/18. 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.
Fri 8/285:32 pm
DEN
- ATW
Nonstop2h 22m
United Airlines
Sun 8/307:30 am
ATW
- DEN
1 stop6h 15m
United Airlines
Deal found 7/18![United Airlines logo]()
$301
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Wed 8/193:50 pm
DEN
- ATW
1 stop6h 28m
United Airlines
Sat 8/223:00 pm
ATW
- DEN
1 stop5h 45m
United Airlines
Deal found 7/20![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 7/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:38 pm
DEN
- ATW
1 stop5h 20m
United Airlines
Sat 10/178:05 am
ATW
- DEN
1 stop8h 12m
United Airlines
Deal found 7/22![United Airlines logo]()
$396
This United Airlines deal was found by Cheapflights users on 7/21. 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 9/35:32 pm
DEN
- ATW
Nonstop2h 22m
United Airlines
Sun 9/66:00 am
ATW
- DEN
1 stop7h 45m
United Airlines
Deal found 7/21![United Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 7/20. 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 9/55:32 pm
DEN
- ATW
Nonstop2h 22m
United Airlines
Mon 9/77:00 am
ATW
- DEN
1 stop24h 39m
United Airlines
Deal found 7/20![United Airlines logo]()
$477
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Mon 9/75:32 pm
DEN
- ATW
Nonstop2h 22m
United Airlines
Fri 9/115:00 pm
ATW
- DEN
2 stops18h 27m
United Airlines
Deal found 7/20![United Airlines logo]()
$527
This United Airlines deal was found by Cheapflights users on 7/18. 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.
Mon 8/105:40 pm
DEN
- ATW
Nonstop2h 24m
United Airlines
Thu 8/138:45 am
ATW
- DEN
Nonstop2h 45m
United Airlines
Deal found 7/18![United Airlines logo]()
$533
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Thu 10/17:10 pm
DEN
- ATW
1 stop15h 33m
United Airlines
Sun 10/48:50 am
ATW
- DEN
Nonstop2h 45m
United Airlines
Deal found 7/20![United Airlines logo]()
$542
This United Airlines deal was found by Cheapflights users on 7/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:32 pm
DEN
- ATW
Nonstop2h 22m
United Airlines
Mon 9/78:45 am
ATW
- DEN
Nonstop2h 45m
United Airlines
Deal found 7/22![United Airlines logo]()
$546
Last-minute flights from Denver to OshkoshDiscover last-minute flight deals from Denver to Oshkosh. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Oshkosh. Data last updated July 23, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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 8/77:39 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Mon 8/175:08 pm
ATW
- DEN
Nonstop2h 41m
Allegiant Air
Deal found 7/20![Allegiant Air logo]()
$225
This Cheapflightsfares deal was found by Cheapflights users on 7/18. 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.
Mon 8/107:39 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Mon 8/175:08 pm
ATW
- DEN
Nonstop2h 41m
Allegiant Air
Deal found 7/18![Allegiant Air logo]()
$172
This Cheapflightsfares deal was found by Cheapflights users on 7/19. 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 8/147:39 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Mon 8/175:08 pm
ATW
- DEN
Nonstop2h 41m
Allegiant Air
Deal found 7/19![Allegiant Air logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/177:39 pm
DEN
- ATW
Nonstop2h 21m
Multiple Airlines
Sat 8/2210:47 am
ATW
- DEN
2 stops47h 32m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/177:39 pm
DEN
- ATW
Nonstop2h 21m
Multiple Airlines
Thu 8/204:17 pm
ATW
- DEN
2 stops42h 02m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$237
This Cheapflightsfares deal was found by Cheapflights users on 7/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:09 am
DEN
- ATW
Nonstop2h 18m
Allegiant Air
Fri 8/288:45 am
ATW
- DEN
Nonstop2h 34m
Allegiant Air
Deal found 7/22![Allegiant Air logo]()
$222
This Cheapflightsfares deal was found by Cheapflights users on 7/21. 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 8/2811:09 am
DEN
- ATW
Nonstop2h 18m
Allegiant Air
Mon 8/319:15 am
ATW
- DEN
Nonstop2h 34m
Allegiant Air
Deal found 7/21![Allegiant Air logo]()
$215
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 July 23, 2026.
Search for one-way flight options from Denver to Oshkosh. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 10/27:50 pm
DEN
- ATW
Nonstop2h 17m
Allegiant Air
Deal found 7/21![Allegiant Air logo]()
$78
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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 10/167:50 pm
DEN
- ATW
Nonstop2h 17m
Allegiant Air
Deal found 7/20![Allegiant Air logo]()
$107
This Cheapflightsfares deal was found by Cheapflights users on 7/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:18 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Deal found 7/22![Allegiant Air logo]()
$125
This Super.com deal was found by Cheapflights users on 7/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:39 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Deal found 7/19![Allegiant Air logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Thu 9/103:10 pm
DEN
- ATW
1 stop20h 04m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$137
This Super.com deal was found by Cheapflights users on 7/22. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/317:18 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Deal found 7/22![Allegiant Air logo]()
$141
This Booking.com deal was found by Cheapflights users on 7/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2811:09 am
DEN
- ATW
Nonstop2h 18m
Allegiant Air
Deal found 7/23![Allegiant Air logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Thu 10/156:30 am
DEN
- ATW
2 stops34h 51m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Wed 8/129:06 pm
DEN
- ATW
2 stops34h 40m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$157
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 July 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $151 (Cheapflightsfares) |
One-way from | $78 (Kiwi.com) |
Popular in | November |
Cheapest in | October |
Average price | $340 |
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 2,558,603 searches. Data last updated July 23, 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 - ATW
DENATW
Denver Intl
Thu 10/22
6:00 am-11:38 am
1 stop4h 38m
Appleton Intl
Sun 10/25
5:25 pm-11:35 pm
1 stop7h 10m
$299
DenverAppleton
DEN - ATW
DENATW
Denver Intl
Fri 8/28
5:32 pm-8:54 pm
Nonstop2h 22m
Appleton Intl
Sun 8/30
7:30 am-12:45 pm
1 stop6h 15m
$301
DenverAppleton
DEN - ATW
DENATW
Denver Intl
Wed 8/19
3:50 pm-11:18 pm
1 stop6h 28m
Appleton Intl
Sat 8/22
3:00 pm-7:45 pm
1 stop5h 45m
$369
DenverAppleton
DEN - ATW
DENATW
Denver Intl
Sat 10/10
4:38 pm-10:58 pm
1 stop5h 20m
Appleton Intl
Sat 10/17
8:05 am-3:17 pm
1 stop8h 12m
$396
DenverAppleton
DEN - ATW
DENATW
Denver Intl
Thu 9/3
5:32 pm-8:54 pm
Nonstop2h 22m
Appleton Intl
Sun 9/6
6:00 am-12:45 pm
1 stop7h 45m
$397
DenverAppleton
DEN - ATW
DENATW
Denver Intl
Sat 9/5
5:32 pm-8:54 pm
Nonstop2h 22m
Appleton Intl
Mon 9/7
7:00 am-6:39 am
1 stop24h 39m
$477
DenverAppleton
DEN - ATW
DENATW
Denver Intl
Mon 9/7
5:32 pm-8:54 pm
Nonstop2h 22m
Appleton Intl
Fri 9/11
5:00 pm-10:27 am
2 stops18h 27m
$527
DenverAppleton
DEN - ATW
DENATW
Denver Intl
Mon 8/10
5:40 pm-9:04 pm
Nonstop2h 24m
Appleton Intl
Thu 8/13
8:45 am-10:30 am
Nonstop2h 45m
$533
DenverAppleton
DEN - ATW
DENATW
Denver Intl
Thu 10/1
7:10 pm-11:43 am
1 stop15h 33m
Appleton Intl
Sun 10/4
8:50 am-10:35 am
Nonstop2h 45m
$542
Quickest round-trip
DenverAppleton
DEN - ATW
DENATW
Denver Intl
Thu 9/3
5:32 pm-8:54 pm
Nonstop2h 22m
Appleton Intl
Mon 9/7
8:45 am-10:30 am
Nonstop2h 45m
$546
Showing 1-10 of 21 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 July 23, 2026.
It’s typically best to fly out from Denver to Oshkosh in the afternoon. Doing so could potentially save you 15% on the flight price compared to flying in the morning, 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 July 23, 2026.
The most flights from DEN to OS9 are scheduled on a Monday (10 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 $232 and $371 in September.The cheapest round-trip price found within the last 5 days was $151 on Allegiant Air (Sep 18-Sep 28).
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 July 11, 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. Saturday 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 July 23, 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.
Food
7.2
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
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Denver and Oshkosh flights
Browse other Denver and Oshkosh flight options. Last updated on July 23, 2026.
Other flights from Denver
Browse through other flights departing from Denver. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Denver to Oshkosh flights
Consider these flights traveling from Denver to Oshkosh.
Top 6 airlines flying from Denver to Oshkosh
Discover the top 6 airlines that operate flights from Denver to Oshkosh. 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 July 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$61 | Average$217 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$86 | Average$196 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$198 | Average$370 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$207 | Average$430 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$212 | Average$379 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$223 | Average$365 | FlexibilityNo cancel fee | On-timeN/A |