Oshkosh

$59+ 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — MKE
Apr 29 — May 61
We work with more than 300 partners to bring you better travel deals

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 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 April 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$144
(Booking.com)

One-way from

$59
(Booking.com)

Popular in

December

Cheapest in

September

Average price

$289
Provider with most accurate pricing for Denver Intl-Appleton Intl flight deals.
Provider most trusted by Cheapflights users for Denver Intl-Appleton Intl flights.
From Denver Intl to Oshkosh
One-way flight from Denver Intl to Oshkosh
Highest demand for flights based on searches. 17% potential increase in price ($69 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in April 2025

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 April 24, 2025.

This Booking.com deal was found by Cheapflights users on 4/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/298:26 pmDEN - ATW
Nonstop2h 13mAllegiant Air
Sun 6/11:05 pmATW - DEN
Nonstop2h 34mAllegiant Air
Deal found 4/21$189
This Delta deal was found by Cheapflights users on 4/22. 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.
Sat 6/216:05 amDEN - ATW
1 stop4h 14mDelta
Mon 6/304:14 pmATW - DEN
1 stop5h 14mDelta
Deal found 4/22$229
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/167:13 amDEN - ATW
2 stops9h 27mAmerican Airlines
Sun 8/176:42 amATW - DEN
1 stop5h 40mAmerican Airlines
Deal found 4/22$234
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/216:00 amDEN - ATW
1 stop7h 08mUnited Airlines
Sat 6/288:40 amATW - DEN
Nonstop2h 52mUnited Airlines
Deal found 4/23$259
This Mytrip deal was found by Cheapflights users on 4/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/298:26 pmDEN - ATW
Nonstop2h 13mMultiple Airlines
Sun 6/17:00 amATW - DEN
3 stops34h 40mMultiple Airlines
Deal found 4/21$431

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 April 24, 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

Thu 5/29

8:26 pm-11:39 pm

Nonstop2h 13m

Appleton Intl

Sun 6/1

1:05 pm-2:39 pm

Nonstop2h 34m

$189

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Sat 6/21

6:05 am-11:19 am

1 stop4h 14m

Appleton Intl

Mon 6/30

4:14 pm-8:28 pm

1 stop5h 14m

$229

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Sat 8/16

7:13 am-5:40 pm

2 stops9h 27m

Appleton Intl

Sun 8/17

6:42 am-11:22 am

1 stop5h 40m

$234

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Sat 6/21

6:00 am-2:08 pm

1 stop7h 08m

Appleton Intl

Sat 6/28

8:40 am-10:32 am

Nonstop2h 52m

$259

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Thu 5/29

8:26 pm-11:39 pm

Nonstop2h 13m

Appleton Intl

Sun 6/1

7:00 am-4:40 pm

3 stops34h 40m

$431

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Sun 5/25

8:24 pm-11:38 pm

Nonstop2h 14m

$59

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Tue 8/5

6:10 am-11:08 am

1 stop3h 58m

$169

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Tue 8/5

2:45 pm-11:24 pm

2 stops7h 39m

$197

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Tue 7/8

7:55 am-7:18 pm

2 stops10h 23m

$215

DenverAppleton

DEN - ATW

DENATW

Denver Intl

Mon 7/7

4:00 pm-10:45 pm

2 stops29h 45m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

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 April 18, 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 April 24, 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 Wednesday evenings 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 April 24, 2025.

The most flights from DEN to OS9 are scheduled on a Thursday (7 on average). You will have fewer flight options on Saturday, 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 April 24, 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.
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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
8.0
Very good
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

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?

  • 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 $59 on Allegiant Air. Other airlines that offer cheap prices include Delta from $169 and American Airlines from $197 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: United Airlines (81%), SkyWest Airlines (80%), Southwest( 71%).

  • What are the cheapest flights from Denver to Oshkosh?

    The cheapest flight price from Denver to Oshkosh is $83. On average you can expect to pay $242. The most popular route, (Denver Intl - Appleton Intl), can usually be booked for $189.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Denver to Oshkosh

See prices for flight routes from nearby airports that may be better suited for you.

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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$44Average$163FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$82Average$178FlexibilityNo cancel feeOn-time88%
DeltaCheapest$134Average$355FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$148Average$356FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$159Average$391FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$215Average$376FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.