$69+ 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — MKE
Jul 12 — Jul 191
Round-trip
1 adult, Economy
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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 August or October, booked 44 days in advance, depart on a Monday or Thursday and return on a Sunday
Cheap flight deals from Denver to Oshkosh
Cheapest
Best
Last-minute
One-way
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 June 12, 2026.
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 June 12, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:50 pm
DEN
- ATW
Nonstop2h 17m
Allegiant Air
Mon 9/141:27 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Deal found 6/12![Allegiant Air logo]()
$131
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:39 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Mon 8/248:45 am
ATW
- DEN
Nonstop2h 34m
Allegiant Air
Deal found 6/9![Allegiant Air logo]()
$169
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:50 pm
DEN
- ATW
Nonstop2h 17m
Allegiant Air
Mon 10/195:29 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$172
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:53 pm
DEN
- ATW
Nonstop2h 17m
Allegiant Air
Mon 9/75:29 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Deal found 6/9![Allegiant Air logo]()
$182
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:39 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Mon 8/175:08 pm
ATW
- DEN
Nonstop2h 41m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$195
This Gotogate deal was found by Cheapflights users on 6/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/127:29 pm
DEN
- ATW
Nonstop2h 15m
Allegiant Air
Mon 6/154:58 pm
ATW
- DEN
Nonstop2h 41m
Allegiant Air
Deal found 6/8![Allegiant Air logo]()
$223
Best flights from Denver to OshkoshDiscover 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 June 12, 2026.
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 June 12, 2026.
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/254:59 pm
DEN
- ATW
1 stop5h 24m
United Airlines
Wed 7/295:30 pm
ATW
- DEN
1 stop7h 18m
United Airlines
Deal found 6/11![United Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 6/8. 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 9/54:09 pm
DEN
- ATW
1 stop5h 47m
Delta
Mon 9/76:00 am
ATW
- DEN
1 stop4h 59m
Delta
Deal found 6/8![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 10/15:46 pm
DEN
- ATW
Nonstop2h 22m
United Airlines
Mon 10/58:50 am
ATW
- DEN
Nonstop2h 45m
United Airlines
Deal found 6/11![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 9/45:32 pm
DEN
- ATW
Nonstop2h 22m
United Airlines
Tue 9/85:00 pm
ATW
- DEN
1 stop7h 54m
United Airlines
Deal found 6/10![United Airlines logo]()
$353
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 8/114:40 pm
DEN
- ATW
1 stop5h 38m
United Airlines
Wed 8/198:45 am
ATW
- DEN
Nonstop2h 45m
United Airlines
Deal found 6/11![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Fri 6/265:40 pm
DEN
- ATW
Nonstop2h 24m
United Airlines
Sun 6/288:45 am
ATW
- DEN
Nonstop2h 46m
United Airlines
Deal found 6/8![United Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Thu 6/255:40 pm
DEN
- ATW
Nonstop2h 24m
United Airlines
Sun 6/288:45 am
ATW
- DEN
Nonstop2h 46m
United Airlines
Deal found 6/8![United Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 8/195:32 pm
DEN
- ATW
Nonstop2h 22m
United Airlines
Wed 8/268:45 am
ATW
- DEN
Nonstop2h 45m
United Airlines
Deal found 6/10![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 7/215:40 pm
DEN
- ATW
Nonstop2h 24m
United Airlines
Tue 7/285:29 pm
ATW
- DEN
1 stop7h 19m
United Airlines
Deal found 6/10![United Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Fri 9/45:32 pm
DEN
- ATW
Nonstop2h 22m
United Airlines
Mon 9/75:00 pm
ATW
- DEN
1 stop7h 53m
United Airlines
Deal found 6/7![United Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Thu 7/305:40 pm
DEN
- ATW
Nonstop2h 24m
United Airlines
Mon 8/38:45 am
ATW
- DEN
Nonstop2h 46m
United Airlines
Deal found 6/9![United Airlines logo]()
$504
Last-minute flights from Denver to OshkoshDiscover last-minute flight deals from Denver to Oshkosh. Data last updated June 12, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Oshkosh. Data last updated June 12, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 6/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/127:29 pm
DEN
- ATW
Nonstop2h 15m
Allegiant Air
Mon 6/154:58 pm
ATW
- DEN
Nonstop2h 41m
Allegiant Air
Deal found 6/8![Allegiant Air logo]()
$223
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:29 pm
DEN
- ATW
Nonstop2h 15m
Allegiant Air
Fri 6/264:58 pm
ATW
- DEN
Nonstop2h 41m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$251
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/267:29 pm
DEN
- ATW
Nonstop2h 15m
Allegiant Air
Mon 6/294:58 pm
ATW
- DEN
Nonstop2h 41m
Allegiant Air
Deal found 6/9![Allegiant Air logo]()
$225
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 7/35:57 pm
DEN
- ATW
1 stop5h 13m
American Airlines
Wed 7/87:15 pm
ATW
- DEN
1 stop6h 02m
American Airlines
Deal found 6/9![American Airlines logo]()
$259
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 7/75:57 pm
DEN
- ATW
1 stop5h 13m
American Airlines
Wed 7/87:15 pm
ATW
- DEN
1 stop6h 02m
American Airlines
Deal found 6/10![American Airlines logo]()
$239
This Gotogate deal was found by Cheapflights users on 6/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:18 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Mon 7/204:57 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Deal found 6/7![Allegiant Air logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Fri 7/177:18 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Mon 7/204:57 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Deal found 6/7![Allegiant Air logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 7/207:18 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Fri 7/244:57 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Deal found 6/8![Allegiant Air logo]()
$261
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:18 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Mon 7/274:57 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Deal found 6/10![Allegiant Air logo]()
$266
This Mytrip deal was found by Cheapflights users on 6/7. 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.
Mon 7/277:18 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Fri 7/314:57 pm
ATW
- DEN
Nonstop2h 31m
Allegiant Air
Deal found 6/7![Allegiant Air logo]()
$243
One-way flights from Denver to OshkoshSearch for one-way flight options from Denver to Oshkosh. Find affordable one-way fares based on user searches. Data last updated June 12, 2026.
Search for one-way flight options from Denver to Oshkosh. Find affordable one-way fares based on user searches. Data last updated June 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 7/277:18 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Deal found 6/7![Allegiant Air logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Fri 8/147:39 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Deal found 6/7![Allegiant Air logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 8/177:39 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Deal found 6/7![Allegiant Air logo]()
$85
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/67:18 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Deal found 6/8![Allegiant Air logo]()
$92
This American Airlines deal was found by Cheapflights users on 6/10. 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 8/295:44 pm
DEN
- ATW
1 stop5h 26m
American Airlines
Deal found 6/10![American Airlines logo]()
$120
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:18 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Fri 8/2111:09 am
DEN
- ATW
Nonstop2h 18m
Allegiant Air
Deal found 6/7![Allegiant Air logo]()
$125
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Sun 7/125:00 am
DEN
- ATW
1 stop6h 09m
American Airlines
Deal found 6/9![American Airlines logo]()
$130
This Super.com deal was found by Cheapflights users on 6/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:18 pm
DEN
- ATW
Nonstop2h 21m
Allegiant Air
Deal found 6/9![Allegiant Air logo]()
$135
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 7/35:57 pm
DEN
- ATW
1 stop5h 13m
American Airlines
Deal found 6/9![American Airlines logo]()
$140
Find flight deals from Denver to Oshkosh
Keep the following information in mind while searching for Denver to Oshkosh flight deals. Data was last updated June 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $131 (Cheapflightsfares) |
One-way from | $69 (Kiwi.com) |
Popular in | November |
Cheapest in | August |
Average price | $298 |
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 June 12, 2026.
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
Cheapest round-trip
DenverAppleton
DEN - ATW
DENATW
Denver Intl
Sat 7/25
4:59 pm-11:23 pm
1 stop5h 24m
Appleton Intl
Wed 7/29
5:30 pm-11:48 pm
1 stop7h 18m
$289
DenverAppleton
DEN - ATW
DENATW
Denver Intl
Sat 9/5
4:09 pm-10:56 pm
1 stop5h 47m
Appleton Intl
Mon 9/7
6:00 am-9:59 am
1 stop4h 59m
$299
Quickest round-trip
DenverAppleton
DEN - ATW
DENATW
Denver Intl
Thu 10/1
5:46 pm-9:08 pm
Nonstop2h 22m
Appleton Intl
Mon 10/5
8:50 am-10:35 am
Nonstop2h 45m
$349
DenverAppleton
DEN - ATW
DENATW
Denver Intl
Fri 9/4
5:32 pm-8:54 pm
Nonstop2h 22m
Appleton Intl
Tue 9/8
5:00 pm-11:54 pm
1 stop7h 54m
$353
DenverAppleton
DEN - ATW
DENATW
Denver Intl
Tue 8/11
4:40 pm-11:18 pm
1 stop5h 38m
Appleton Intl
Wed 8/19
8:45 am-10:30 am
Nonstop2h 45m
$359
DenverAppleton
DEN - ATW
DENATW
Denver Intl
Fri 6/26
5:40 pm-9:04 pm
Nonstop2h 24m
Appleton Intl
Sun 6/28
8:45 am-10:31 am
Nonstop2h 46m
$363
DenverAppleton
DEN - ATW
DENATW
Denver Intl
Thu 6/25
5:40 pm-9:04 pm
Nonstop2h 24m
Appleton Intl
Sun 6/28
8:45 am-10:31 am
Nonstop2h 46m
$424
DenverAppleton
DEN - ATW
DENATW
Denver Intl
Wed 8/19
5:32 pm-8:54 pm
Nonstop2h 22m
Appleton Intl
Wed 8/26
8:45 am-10:30 am
Nonstop2h 45m
$439
DenverAppleton
DEN - ATW
DENATW
Denver Intl
Tue 7/21
5:40 pm-9:04 pm
Nonstop2h 24m
Appleton Intl
Tue 7/28
5:29 pm-11:48 pm
1 stop7h 19m
$474
DenverAppleton
DEN - ATW
DENATW
Denver Intl
Fri 9/4
5:32 pm-8:54 pm
Nonstop2h 22m
Appleton Intl
Mon 9/7
5:00 pm-11:53 pm
1 stop7h 53m
$494
Showing 1-10 of 22 resultsSorted by cheapest first
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.
DEN-ATW
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
DEN-OS9
DEN-ATW
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 June 12, 2026.
It’s typically best to fly out from Denver to Oshkosh in the afternoon. Doing so could potentially save you 12% on the flight price compared to flying in the evening, which is usually more expensive.
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 June 12, 2026.
The most flights from DEN to OS9 are scheduled on a Monday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Denver to Oshkosh?
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 June 8, 2026.
Travelers seeking maximum savings on their Denver to Oshkosh flight should consider departing on Saturday afternoons when fares are most often at their lowest. Friday mornings 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 June 12, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAllegiant Air 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.
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$66 | Average$205 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$74 | Average$176 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$184 | Average$370 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$204 | Average$400 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$218 | Average$369 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$223 | Average$338 | FlexibilityNo cancel fee | On-timeN/A |