How popular is this Denver to Oshkosh flight route?

This flight path from Denver Intl to Oshkosh was viewed by 4 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 $59 on Allegiant Air. Other airlines that offer cheap prices include Delta from $169 and American Airlines from $197 one-way.

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.

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 most popular airlines that fly from Denver to Oshkosh?

Consider American Airlines, Delta or Frontier when booking your flight. These represent the most popular airlines when flying from Denver to Oshkosh.

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

Travelers have found it’s best to book a flight 49 days in advance to save up to 71% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 49 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Denver to Oshkosh 1-2 weeks in advance for as low as $226, or $396 for flights within the next 24 hours.

What is the cheapest month to fly from Denver to Oshkosh?

The best pricing can be found in the month of September. Prices to Oshkosh from Denver average $316. You can even find prices in September for less than $316, as users have found deals to Oshkosh from as low as $82. The month of December appears to be one of the more expensive times to travel to Oshkosh from Denver. Flying in the targeted month can save you up to 32%.

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.

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.

$59+ Flights from Denver to Oshkosh

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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

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.

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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

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($69 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).

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Average for round-trip flights in April 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 April 24, 2025.

Thu 5/298:26 pmDEN - ATW

Nonstop2h 13mAllegiant Air

Sun 6/11:05 pmATW - DEN

Nonstop2h 34mAllegiant Air

Deal found 4/21

$189

Sat 6/216:05 amDEN - ATW

1 stop4h 14mDelta

Mon 6/304:14 pmATW - DEN

1 stop5h 14mDelta

Deal found 4/22

$229

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

Sat 6/216:00 amDEN - ATW

1 stop7h 08mUnited Airlines

Sat 6/288:40 amATW - DEN

Nonstop2h 52mUnited Airlines

Deal found 4/23

$259

Thu 5/298:26 pmDEN - ATW

Nonstop2h 13mMultiple Airlines

Sun 6/17:00 amATW - DEN

3 stops34h 40mMultiple Airlines

Deal found 4/21

$431

Best flights from Denver to Oshkosh
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 April 24, 2025.

Thu 10/97:22 pmDEN - ATW

Nonstop2h 15mAllegiant Air

Sun 10/124:55 pmATW - DEN

Nonstop2h 37mAllegiant Air

Deal found 4/23

$144

Sat 6/216:00 amDEN - ATW

1 stop7h 08mUnited Airlines

Sat 6/285:29 pmATW - DEN

1 stop6h 53mUnited Airlines

Deal found 4/23

$229

Sat 9/67:12 amDEN - ATW

2 stops9h 28mAmerican Airlines

Fri 9/126:11 pmATW - DEN

1 stop5h 16mAmerican Airlines

Deal found 4/23

$234

Sun 6/86:05 amDEN - ATW

1 stop4h 14mDelta

Sat 6/1411:59 amATW - DEN

1 stop4h 35mDelta

Deal found 4/23

$239

Thu 6/55:41 pmDEN - ATW

2 stops28h 39mMultiple Airlines

Mon 6/99:05 amATW - DEN

3 stops32h 35mMultiple Airlines

Deal found 4/22

$785

Last-minute flights from Denver to Oshkosh
Discover last-minute flight deals from Denver to Oshkosh. Data last updated April 24, 2025 and is based on user searches.

Tue 4/293:10 pmDEN - ATW

1 stop5h 03mDelta

Sat 5/174:20 pmATW - DEN

1 stop4h 38mDelta

Deal found 4/21

$269

Fri 5/211:59 pmDEN - ATW

2 stops9h 55mAmerican Airlines

Tue 5/64:37 pmATW - DEN

1 stop7h 56mAmerican Airlines

Deal found 4/21

$284

Sat 5/311:20 amDEN - ATW

1 stop6h 48mUnited Airlines

Wed 5/145:25 pmATW - DEN

1 stop6h 47mUnited Airlines

Deal found 4/21

$329

Fri 5/93:49 pmDEN - ATW

1 stop6h 45mAmerican Airlines

Sun 5/115:40 amATW - DEN

1 stop6h 47mAmerican Airlines

Deal found 4/23

$249

Sat 5/246:00 amDEN - ATW

1 stop4h 11mDelta

Wed 5/284:20 pmATW - DEN

1 stop4h 38mDelta

Deal found 4/22

$229

Sat 5/245:32 pmDEN - ATW

Nonstop2h 33mUnited Airlines

Wed 5/285:23 pmATW - DEN

1 stop7h 07mUnited Airlines

Deal found 4/22

$279

Thu 5/298:26 pmDEN - ATW

Nonstop2h 13mAllegiant Air

Sun 6/11:05 pmATW - DEN

Nonstop2h 34mAllegiant Air

Deal found 4/21

$189

Thu 5/298:26 pmDEN - ATW

Nonstop2h 13mMultiple Airlines

Sun 6/17:00 amATW - DEN

3 stops34h 40mMultiple Airlines

Deal found 4/21

$431

One-way flights from Denver to Oshkosh
Search for one-way flight options from Denver to Oshkosh. Find affordable one-way fares based on user searches. Data last updated April 24, 2025.

Sun 5/258:24 pmDEN - ATW

Nonstop2h 14mAllegiant Air

Deal found 4/22

$59

Tue 8/56:10 amDEN - ATW

1 stop3h 58mDelta

Deal found 4/22

$169

Tue 8/52:45 pmDEN - ATW

2 stops7h 39mAmerican Airlines

Deal found 4/23

$197

Tue 7/87:55 amDEN - ATW

2 stops10h 23mUnited Airlines

Deal found 4/23

$215

Mon 7/74:00 pmDEN - ATW

2 stops29h 45mMultiple Airlines

Deal found 4/22

$237

Cheapflights Fare Finder

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

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?

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?

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?

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

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

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

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

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

7,920 reviews

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

7,920 reviews

Delta

8.0

Very good

7,920 reviews

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

8,685 reviews

Delta

8.0

Very good

7,920 reviews

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

734 reviews

Delta

8.0

Very good

7,920 reviews

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

7,920 reviews

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

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 4 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 $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

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Complete your trip

Oshkosh car rentals

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Top 6 airlines flying from Denver to Oshkosh

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$44	Average$163	FlexibilityNo cancel fee	On-time62%
Allegiant Air	Cheapest$82	Average$178	FlexibilityNo cancel fee	On-time88%
Delta	Cheapest$134	Average$355	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$148	Average$356	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$159	Average$391	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$215	Average$376	FlexibilityNo cancel fee	On-time63%

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$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.

Find cheap flights from Denver to Oshkosh with Cheapflights

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3. Compare prices and book

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

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Denver to Oshkosh

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 April 24, 2025.

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.

Cheapflights Fare Finder

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

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.

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.

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

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.

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.

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.

Rainfall in Oshkosh by month

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

Temperature in Oshkosh by month

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

Reviews of airlines servicing Oshkosh

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.

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?

How popular is this Denver to Oshkosh flight route?

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

What are the most reliable airlines from Denver to Oshkosh?

What are the cheapest flights from Denver to Oshkosh?

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

How can I find direct flights from Denver to Oshkosh?

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

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

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

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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.