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Oshkosh

$170+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — MKE
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Oshkosh are usually found in September or May, booked 61 days in advance, depart on a Thursday or Sunday and return on a Sunday

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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$229
(Delta)

One-way from

$203
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$349
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.
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From Denver Intl to Oshkosh
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One-way flight from Denver Intl to Oshkosh
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Highest demand for flights based on searches. 18% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 31, 2025.

This Booking.com deal was found by Cheapflights users on 3/30. 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.
Thu 8/218:24 pmDEN - ATW
Nonstop2h 13mAllegiant Air
Sun 8/241:05 pmATW - DEN
Nonstop2h 34mAllegiant Air
Deal found 3/30$170
This American Airlines deal was found by Cheapflights users on 3/30. 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 9/62:49 pmDEN - ATW
1 stop5h 15mAmerican Airlines
Fri 9/124:14 pmATW - DEN
1 stop6h 30mAmerican Airlines
Deal found 3/30$229
This Delta deal was found by Cheapflights users on 3/29. 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 5/16:10 amDEN - ATW
1 stop4h 24mDelta
Sat 5/312:19 pmATW - DEN
1 stop5h 49mDelta
Deal found 3/29$239
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/161:25 pmDEN - ATW
1 stop4h 53mUnited Airlines
Tue 8/198:30 amATW - DEN
Nonstop2h 37mUnited Airlines
Deal found 3/30$319
This Mytrip deal was found by Cheapflights users on 3/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:30 pmDEN - ATW
2 stops25h 27mMultiple Airlines
Sun 5/411:10 amATW - DEN
2 stops24h 13mMultiple Airlines
Deal found 3/29$448

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 March 31, 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

Sun 6/8

6:00 am-11:19 am

1 stop4h 19m

Appleton Intl

Sat 6/14

11:59 am-3:35 pm

1 stop4h 36m

$229

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Fri 5/2

11:59 pm-10:54 am

2 stops9h 55m

Appleton Intl

Sun 5/4

6:00 am-10:23 am

1 stop5h 23m

$234

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Thu 4/17

5:25 pm-8:55 pm

Nonstop2h 30m

Appleton Intl

Sun 4/20

8:25 am-10:24 am

Nonstop2h 59m

$339

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Thu 4/17

8:21 am-11:04 pm

2 stops37h 43m

Appleton Intl

Sun 4/20

7:30 am-10:23 am

2 stops27h 53m

$431

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Thu 5/1

6:30 pm-8:57 pm

2 stops25h 27m

Appleton Intl

Sun 5/4

11:10 am-10:23 am

2 stops24h 13m

$448

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Thu 4/17

8:21 am-11:04 pm

2 stops37h 43m

$203

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Sat 5/3

5:29 pm-9:00 pm

Nonstop2h 31m

$224

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Sun 4/27

6:07 am-12:35 pm

1 stop5h 28m

$234

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Thu 5/22

6:00 am-11:11 am

1 stop4h 11m

$244

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Thu 4/17

6:25 pm-11:08 pm

3 stops27h 43m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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 March 28, 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 61 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 $280). Flying from Denver to Oshkosh in June is currently the most expensive (average of $376). 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 March 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Oshkosh as you normally would.

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 March 30, 2025.

Travelers seeking maximum savings on their Denver to Oshkosh flight should consider departing on Tuesday mornings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 March 31, 2025.

The most flights from DEN to OS9 are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Oshkosh by month

Plan your trip to Oshkosh by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Oshkosh ranges from 1.1 - 3.8 inches per month. June is typically the wettest month, when rainfall can reach 3.8 in. February is typically the driest time to visit Oshkosh when rainfall is around 1.1 in.

Temperature in Oshkosh by month

Plan your trip to Oshkosh by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Oshkosh, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.6 F).

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 March 31, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and Allegiant Air from Denver to Oshkosh to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,614 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Allegiant Air
7.3
Good
731 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 is 1 flight 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 9 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Denver to Oshkosh one-way?

    One-way options have recently been found by users for as low as $203 on Allegiant Air. Other airlines that offer cheap prices include United Airlines from $224 and American Airlines from $234 one-way.

  • 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 (83%), United Airlines (76%), Southwest( 75%).

  • What are the cheapest flights from Denver to Oshkosh?

    The cheapest flight price from Denver to Oshkosh is $86. On average you can expect to pay $247. The most popular route, (Denver Intl - Appleton Intl), can usually be booked for $170.

  • 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 $280). Flying from Denver to Oshkosh in June is currently the most expensive (average of $376). 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$42Average$158FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$82Average$170FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$148Average$353FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$158Average$389FlexibilityNo cancel feeOn-time69%
DeltaCheapest$207Average$363FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$210Average$379FlexibilityNo cancel feeOn-time63%
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