Cheap Flights from Denver (DEN) to Oshkosh (OSH)

Popular airlines from Denver Intl. Airport (DEN) to Oshkosh, WI (OSH-Wittman Regional)

Alternative airports near Oshkosh

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Appleton Intl. ATW. Cheapest option available. Average driving time to city center is 25 minutes. Flights from $294
ATW
Appleton Intl.
Cheapest
Average driving time to city center25 min
Flights from $294
Flights from Denver (DEN) to Oshkosh (OSH)
Origin airport
Denver Intl.
Destination airport
Wittman Regional
Distance
875 mi

Denver to Oshkosh Flights

The cheapest times to fly from Denver to Oshkosh

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Oshkosh are during the month of . You can find some of the cheapest flights from Denver to Oshkosh with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Oshkosh

Sunday is one of the best days to book for cheap flights from Denver to Oshkosh: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Denver to Oshkosh

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Oshkosh in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Oshkosh flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Oshkosh airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Oshkosh, WI (OSH-Wittman Regional) cost?
Secure a cheap one-way flight or cheap return flight from Denver Intl. Airport (DEN) to Oshkosh, WI (OSH-Wittman Regional) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Denver Intl. Airport (DEN) to Oshkosh, WI (OSH-Wittman Regional)?
The cheapest month to fly from DEN to OSH is , when demand is low. Off-peak season is often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Denver Intl. Airport (DEN) to Oshkosh, WI (OSH-Wittman Regional)?
To find the cheapest airline flying from DEN to OSH, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Denver Intl. Airport (DEN) to Oshkosh, WI (OSH-Wittman Regional)?
You'll need to book a flight with a layover if you're traveling from Denver Intl. Airport (DEN) to Oshkosh, WI (OSH-Wittman Regional). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from DEN to OSH?
Generally you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Denver Intl. Airport (DEN) to Oshkosh, WI (OSH-Wittman Regional)?
To avoid potential delays on the Denver Intl. Airport (DEN) to Oshkosh, WI (OSH-Wittman Regional) route, travel before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Oshkosh from Denver Intl. Airport (DEN)?
Appleton Intl. Airport (ATW) is the only airport in Oshkosh with direct flights from Denver Intl. Airport (DEN). Compare your options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Oshkosh, WI (OSH-Wittman Regional) last-minute?
Booking your plane ticket from DEN to OSH right before your getaway is generally more expensive. But if you're flexible with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a DEN to OSH flight and hotel package?
You'll typically save money by booking a DEN to OSH flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've chosen your ideal flights and accommodations, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Oshkosh, WI (OSH-Wittman Regional)?
In most cases, you can cancel or modify your DEN to OSH flight. However, there may be additional charges, especially if you booked over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want more information, visit our Customer Service portal.

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*Available to One Key members.