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St. Louis

$229+ Cheap flights from Oshkosh, WI to St. Louis (STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — STL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Oshkosh to St. Louis

Keep the following information in mind while searching for Oshkosh to St. Louis flight deals. Data was last updated June 12, 2025.

Round-trip from

$229
(American Airlines)

Popular in

November

Cheapest in

July

Average price

$389
From Oshkosh to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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Find flight deals from Oshkosh to St. Louis

Cheapest flights from Oshkosh to St. Louis
Explore the most affordable flight options available from Oshkosh to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/303:51 pmATW - STL
1 stop8h 08mAmerican Airlines
Sun 8/36:00 amSTL - ATW
1 stop3h 14mAmerican Airlines
Deal found 6/11$229
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/26:25 amATW - STL
1 stop4h 08mDelta
Sun 7/66:30 amSTL - ATW
1 stop4h 49mDelta
Deal found 6/12$234
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/275:29 pmATW - STL
1 stop5h 16mUnited Airlines
Tue 7/15:31 pmSTL - ATW
1 stop4h 04mUnited Airlines
Deal found 6/12$271
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/137:00 amATW - STL
2 stops26h 52mMultiple Airlines
Wed 7/1611:24 amSTL - ATW
2 stops24h 51mMultiple Airlines
Deal found 6/12$318

Cheapflights Fare Finder

Customize your flight search to find flights from Oshkosh to St. Louis 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, 2025.
Use the filters below to find and compare flights from Oshkosh to St. Louis that are best for you.

Fly from

Oshkosh

Fly to

St. Louis

Route

Depart

Return

Price

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Wed 7/30

3:51 pm-11:59 pm

1 stop8h 08m

Lambert-St Louis

Sun 8/3

6:00 am-9:14 am

1 stop3h 14m

$229

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Wed 7/2

6:25 am-10:33 am

1 stop4h 08m

Lambert-St Louis

Sun 7/6

6:30 am-11:19 am

1 stop4h 49m

$234

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Fri 6/27

5:29 pm-10:45 pm

1 stop5h 16m

Lambert-St Louis

Tue 7/1

5:31 pm-9:35 pm

1 stop4h 04m

$271

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Sun 7/13

7:00 am-9:52 am

2 stops26h 52m

Lambert-St Louis

Wed 7/16

11:24 am-12:15 pm

2 stops24h 51m

$318

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Tue 6/17

7:00 am-1:26 pm

1 stop6h 26m

$290

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Tue 6/17

9:50 am-8:54 pm

2 stops11h 04m

$295

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

Tue 6/17

6:30 am-10:15 pm

3 stops15h 45m

$1,091

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Oshkosh to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis 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 St. Louis

What is the cheapest month to book a flight from Oshkosh to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Oshkosh to St. Louis (average of $311). Flying from Oshkosh to St. Louis in March is currently the most expensive (average of $356). 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 STL?

Find hourly flight availability from Oshkosh to St. Louis. 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, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oshkosh to St. Louis as you normally would.

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated June 12, 2025.
To help decide which airline to fly from Oshkosh to St. Louis, see what other customers have to say about Delta, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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 St. Louis. 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 into for flights to St. Louis from Oshkosh?

    Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Oshkosh. On average, Lambert-St Louis has 0 inbound flights from Oshkosh per day from 4 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • How popular is this Oshkosh to St. Louis flight route?

    Flights from Oshkosh to Lambert-St Louis have been viewed 21 times in the past calendar month.

  • What are the cheapest airlines to fly from Oshkosh to St. Louis one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $290. Users have also found prices from $295 and $1,091 on American Airlines and United Airlines, respectively.

  • What are the cheapest flights from Oshkosh to St. Louis?

    The cheapest flight price from Oshkosh to St. Louis is $98. On average you can expect to pay $280. The most popular route, (Appleton Intl - Lambert-St Louis), can usually be booked for $229.

  • Can I find deals for flights from Oshkosh to St. Louis that include hotel bookings?

    Yes. In addition to deals on Oshkosh to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oshkosh to St. Louis?

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

  • Can I find deals for business class flights from Oshkosh to St. Louis?

    Yes. Cheapflights offers flight deals from Oshkosh to St. Louis 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 St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Oshkosh to St. Louis (average of $311). Flying from Oshkosh to St. Louis in March is currently the most expensive (average of $356). 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 Oshkosh?

Book flights to Oshkosh if you plan to visit one of these locations
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Festus
Alton
Farmington

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Top 4 airlines flying from Oshkosh to St. Louis

Discover the top 4 airlines that operate flights from Oshkosh to St. Louis. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$156Average$372FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$158Average$336FlexibilityNo cancel feeOn-time71%
DeltaCheapest$198Average$305FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$241Average$332FlexibilityNo cancel feeOn-time63%

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