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O'Hare Intl

$161+ Cheap flights from Oshkosh, WI to O'Hare Intl (ORD)

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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ORD
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Oshkosh to Chicago O'Hare Intl are usually found in May or December, booked 70 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap flight deals from Oshkosh to O'Hare Intl

Keep the following information in mind while searching for Oshkosh to O'Hare Intl flight deals. Data was last updated July 30, 2025.

Round-trip from

$179
(American Airlines)

One-way from

$161
(Delta)

Popular in

January

Cheapest in

May

Average price

$300
From Oshkosh to Chicago O'Hare Intl
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One-way flight from Oshkosh to Chicago O'Hare Intl
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Highest demand for flights based on searches. 2% potential increase in price ($7 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Oshkosh to O'Hare Intl

Cheapest flights from Oshkosh to O'Hare Intl
Explore the most affordable flight options available from Oshkosh to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This American Airlines deal was found by Cheapflights users on 7/30. 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.
Tue 9/306:18 pmATW - ORD
Nonstop1h 25mAmerican Airlines
Tue 10/148:20 amORD - ATW
Nonstop1h 03mAmerican Airlines
Deal found 7/30$179
This Delta deal was found by Cheapflights users on 7/29. 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.
Sat 8/2312:11 pmATW - ORD
1 stop4h 53mDelta
Tue 8/266:10 amORD - ATW
1 stop5h 21mDelta
Deal found 7/29$199
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:41 amATW - ORD
Nonstop1h 24mUnited Airlines
Fri 8/296:12 pmORD - ATW
Nonstop1h 14mUnited Airlines
Deal found 7/29$254
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Fri 8/299:21 pmATW - ORD
1 stop14h 22mMultiple Airlines
Thu 9/411:48 amORD - ATW
2 stops24h 28mMultiple Airlines
Deal found 7/29$311

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oshkosh to O'Hare Intl 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 July 30, 2025.
Use the filters below to find and compare flights from Oshkosh to Chicago O'Hare Intl Airport that are best for you.

Fly from

Oshkosh

Fly to

O'Hare Intl

Route

Depart

Return

Price

AppletonChicago

ATW - ORD

ATWORD

Appleton Intl

Tue 9/30

6:18 pm-7:43 pm

Nonstop1h 25m

Chicago O'Hare Intl

Tue 10/14

8:20 am-9:23 am

Nonstop1h 03m

$179

AppletonChicago

ATW - ORD

ATWORD

Appleton Intl

Sat 8/23

12:11 pm-5:04 pm

1 stop4h 53m

Chicago O'Hare Intl

Tue 8/26

6:10 am-11:31 am

1 stop5h 21m

$199

AppletonChicago

ATW - ORD

ATWORD

Appleton Intl

Sat 8/23

6:41 am-8:05 am

Nonstop1h 24m

Chicago O'Hare Intl

Fri 8/29

6:12 pm-7:26 pm

Nonstop1h 14m

$254

AppletonChicago

ATW - ORD

ATWORD

Appleton Intl

Fri 8/29

9:21 pm-11:43 am

1 stop14h 22m

Chicago O'Hare Intl

Thu 9/4

11:48 am-12:16 pm

2 stops24h 28m

$311

AppletonChicago

ATW - ORD

ATWORD

Appleton Intl

Sat 9/27

4:16 pm-8:25 am

1 stop16h 09m

$161

AppletonChicago

ATW - ORD

ATWORD

Appleton Intl

Mon 10/6

9:00 am-10:43 am

2 stops25h 43m

$168

AppletonChicago

ATW - ORD

ATWORD

Appleton Intl

Fri 9/5

9:37 am-10:52 am

Nonstop1h 15m

$204

AppletonChicago

ATW - ORD

ATWORD

Appleton Intl

Mon 8/25

3:45 pm-5:09 pm

Nonstop1h 24m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Oshkosh to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Oshkosh 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 Oshkosh to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Oshkosh to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Oshkosh to O'Hare Intl. Price data was last updated on July 25, 2025.

Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from Oshkosh to Chicago O'Hare Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Oshkosh to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Oshkosh to Chicago O'Hare Intl Airport (average of $245). Flying from Oshkosh to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 OS9 to ORD?

Find hourly flight availability from Oshkosh to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

When flying from Oshkosh to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Oshkosh to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Oshkosh to O'Hare Intl. Price data was last updated on July 27, 2025.

Travelers seeking maximum savings on their Oshkosh to Chicago O'Hare Intl Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Oshkosh to Chicago O'Hare Intl Airport

Explore weekly flight availability from Oshkosh to O'Hare Intl. 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 July 30, 2025.

The most flights from OS9 to ORD are scheduled on a Wednesday (51 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (31 on average).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated July 30, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Oshkosh to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Oshkosh to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Oshkosh to Chicago O'Hare Intl Airport one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $161. Users have also found prices from $192 and $219 on American Airlines and United Airlines, respectively.

  • What are the most reliable airlines from Oshkosh to Chicago O'Hare Intl Airport?

    Before booking your flight to Chicago O'Hare Intl Airport from Oshkosh, check out the most reliable airlines to get you to your destination on time: Avianca (75%), Copa Airlines (73%), Air Canada( 72%).

  • What are the cheapest flights from Oshkosh to Chicago O'Hare Intl Airport?

    While on average a flight from Oshkosh to Chicago O'Hare Intl Airport is generally $1,014, our data shows the cheapest flight currently is $98. When looking at the most popular route, (Appleton Intl - Chicago O'Hare Intl), you can expect to pay $179 for that flight.

  • Can I find deals for flights from Oshkosh to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Oshkosh to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oshkosh to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oshkosh to O'Hare Intl.

  • Can I find deals for business class flights from Oshkosh to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Oshkosh to O'Hare Intl 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 Oshkosh to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Oshkosh to Chicago O'Hare Intl Airport (average of $245). Flying from Oshkosh to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Beloit
Hoffman Estates
Skokie
Naperville
Des Plaines
Elgin
Arlington Heights
Elk Grove Village
Racine
Rockford
Tinley Park
Orland Park
Merrillville
Downers Grove
Evanston
Lake Geneva
Gurnee
Joliet

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Top 2 airlines flying from Oshkosh to O'Hare Intl

Discover the top 2 airlines that operate flights from Oshkosh to O'Hare Intl. 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$300FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$179Average$293FlexibilityNo cancel feeOn-time71%

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