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Oshkosh

$131+ 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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — MKE
Dec 29 — Jan 51
Mon 12/29
Mon 1/5
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Oshkosh are usually found in August or October, booked 77 days in advance, depart on a Thursday or Tuesday and return on a Sunday

Find flight deals from Denver to Oshkosh

Cheapest flights from Denver to Oshkosh
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 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/28. 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 12/1110:37 pmDEN - ATW
1 stop14h 47mMultiple Airlines
Mon 12/156:00 amATW - DEN
1 stop22h 58mMultiple Airlines
Deal found 11/28$248
This Delta deal was found by Cheapflights users on 11/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/135:45 amDEN - ATW
1 stop4h 55mDelta
Sat 12/205:15 pmATW - DEN
1 stop6h 17mDelta
Deal found 11/28$249
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 12/69:05 pmDEN - ATW
2 stops23h 43mMultiple Airlines
Mon 12/156:00 amATW - DEN
1 stop22h 58mMultiple Airlines
Deal found 11/28$259
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 12/99:00 pmDEN - ATW
2 stops47h 48mMultiple Airlines
Mon 12/156:00 amATW - DEN
1 stop22h 58mMultiple Airlines
Deal found 11/28$262
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 12/1012:05 pmDEN - ATW
2 stops32h 43mMultiple Airlines
Mon 12/156:00 amATW - DEN
1 stop22h 58mMultiple Airlines
Deal found 11/28$272
This American Airlines deal was found by Cheapflights users on 11/27. 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 12/137:17 amDEN - ATW
1 stop7h 19mAmerican Airlines
Sat 12/203:58 pmATW - DEN
2 stops9h 01mAmerican Airlines
Deal found 11/27$274
This United Airlines deal was found by Cheapflights users on 11/28. 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 12/85:31 pmDEN - ATW
Nonstop2h 29mUnited Airlines
Mon 12/158:30 amATW - DEN
Nonstop3h 05mUnited Airlines
Deal found 11/28$284
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 12/69:05 pmDEN - ATW
2 stops23h 43mMultiple Airlines
Fri 12/126:00 amATW - DEN
1 stop17h 56mMultiple Airlines
Deal found 11/28$295
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 12/83:12 pmDEN - ATW
1 stop5h 41mMultiple Airlines
Mon 12/156:00 amATW - DEN
1 stop22h 58mMultiple Airlines
Deal found 11/28$300

Cheap 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 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$219
(United Airlines)

One-way from

$131
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$447
Provider with most accurate pricing for Denver Intl-Appleton Intl flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Appleton Intl flights.
Search Deals
From Denver Intl to Oshkosh
Search Deals
One-way flight from Denver Intl to Oshkosh
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 29, 2025.
Use the filters below to find and compare flights from Denver to Oshkosh that are best for you.

Fly from

Denver

Fly to

Oshkosh

Route

Depart

Return

Price

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Fri 1/9

5:25 pm-8:50 pm

Nonstop2h 25m

Appleton Intl

Tue 1/13

5:23 pm-9:59 pm

1 stop5h 36m

$219

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Tue 1/6

2:42 pm-9:29 pm

1 stop5h 47m

Appleton Intl

Sat 1/10

4:20 pm-8:14 pm

1 stop4h 54m

$229

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Wed 3/25

7:45 am-2:03 pm

1 stop5h 18m

Appleton Intl

Fri 4/3

3:45 pm-7:31 pm

1 stop4h 46m

$229

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Thu 1/22

3:17 pm-9:57 pm

1 stop5h 40m

Appleton Intl

Sun 1/25

6:32 pm-11:16 pm

1 stop5h 44m

$249

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Thu 3/26

6:00 am-2:03 pm

1 stop7h 03m

Appleton Intl

Sun 4/5

8:20 am-12:24 pm

1 stop5h 04m

$251

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Wed 1/14

5:25 pm-8:50 pm

Nonstop2h 25m

Appleton Intl

Mon 1/19

2:45 pm-9:59 pm

1 stop8h 14m

$256

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Sat 5/2

2:20 pm-9:27 pm

1 stop6h 07m

Appleton Intl

Sun 5/3

4:05 pm-10:29 pm

1 stop7h 24m

$264

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Fri 3/27

6:00 am-11:58 am

1 stop4h 58m

Appleton Intl

Sun 4/5

8:20 am-12:24 pm

1 stop5h 04m

$284

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Wed 12/24

6:21 pm-10:24 pm

1 stop27h 03m

$131

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Thu 12/25

6:15 am-10:24 pm

2 stops15h 09m

$170

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/27

Showing 1-10 of 14 results
1
2

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.
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

How far ahead should I book a flight from Denver to Oshkosh?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Oshkosh. Price data was last updated on November 21, 2025.

The price you pay for your flight from Denver to Oshkosh may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Denver to Oshkosh?

Currently, February is the cheapest month in which you can book a flight from Denver to Oshkosh (average of $37). Flying from Denver to Oshkosh in January is currently the most expensive (average of $128). 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 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 29, 2025.

It’s typically best to fly out from Denver to Oshkosh in the evening. Doing so could potentially save you 20% on the flight price compared to flying at noon, which is usually more expensive.

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 29, 2025.

Travelers seeking maximum savings on their Denver to Oshkosh flight should consider departing on Friday evenings 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 29, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines 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.
Delta
7.9
Good
8,011 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,011 reviews
Delta
7.9
Good
8,011 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,058 reviews
Delta
7.9
Good
8,011 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,044 reviews
Delta
7.9
Good
8,011 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Allegiant Air
7.2
Good
700 reviews
Delta
7.9
Good
8,011 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Denver to Oshkosh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Denver to Oshkosh?

    If you book a flight to Oshkosh from Denver, you will be flying from Denver Intl, which is the city’s only airport. Denver Intl (DEN) is located 18.5 mi from the center of Denver. There are 0 flights from Denver Intl to Oshkosh per day from 6 different airlines.

  • How popular is this Denver to Oshkosh flight route?

    This flight path from Denver Intl to Oshkosh was viewed by 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Denver to Oshkosh?

    A quick flight from Denver to Oshkosh can take about 2h 25m. United Airlines provides one of the quickest options available for as low as $219. Airlines will cover a distance of 880 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most reliable airlines from Denver to Oshkosh?

    Before booking your flight to Oshkosh from Denver, check out the most reliable airlines to get you to your destination on time: Frontier (100%), United Airlines (93%), SkyWest Airlines( 92%).

  • What are the cheapest flights from Denver to Oshkosh?

    The cheapest flight price from Denver to Oshkosh is $84. On average you can expect to pay $283. The most popular route, (Denver Intl - Appleton Intl), can usually be booked for $219.

  • Can I find deals for flights from Denver to Oshkosh that include hotel bookings?

    Yes. In addition to deals on Denver to Oshkosh flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Oshkosh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Oshkosh.

  • Can I find deals for business class flights from Denver to Oshkosh?

    Yes. Cheapflights offers flight deals from Denver to Oshkosh by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Oshkosh?

    Currently, February is the cheapest month in which you can book a flight from Denver to Oshkosh (average of $37). Flying from Denver to Oshkosh in January is currently the most expensive (average of $128). 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.

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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 November 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$60Average$200FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$73Average$169FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$176Average$398FlexibilityNo cancel feeOn-time69%
DeltaCheapest$199Average$359FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$205Average$353FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$213Average$370FlexibilityNo cancel feeOn-time71%

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