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St. Louis

$191+ Cheap flights from Oshkosh, WI to St. Louis (STL)

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — STL
nov. 15 — nov. 221
sáb. 11/15
sáb. 11/22
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 octubre 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$229
(Delta)

One-way from

$191
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$263
Provider with most accurate pricing for Appleton Intl-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Appleton Intl-Lambert-St Louis flights.
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From Oshkosh to Lambert-St Louis
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One-way flight from Oshkosh to Lambert-St Louis
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Highest demand for flights based on searches. 4% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in October 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 octubre 16, 2025.

This Delta deal was found by Cheapflights users on 10/16. 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.
vie. 11/217:00 amATW - STL
1 stop6h 51mDelta
dom. 11/236:00 amSTL - ATW
1 stop5h 33mDelta
Deal found 10/16$229
This Delta deal was found by Cheapflights users on 10/16. 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.
vie. 10/3111:11 amATW - STL
1 stop6h 18mDelta
mar. 11/46:00 amSTL - ATW
1 stop5h 25mDelta
Deal found 10/16$234
This United Airlines deal was found by Cheapflights users on 10/16. 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.
jue. 10/306:21 pmATW - STL
1 stop4h 24mUnited Airlines
lun. 11/35:24 pmSTL - ATW
1 stop4h 09mUnited Airlines
Deal found 10/16$239
This Delta deal was found by Cheapflights users on 10/15. 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.
sáb. 10/256:25 amATW - STL
1 stop5h 09mDelta
mié. 10/296:00 amSTL - ATW
1 stop5h 25mDelta
Deal found 10/15$254
This American Airlines deal was found by Cheapflights users on 10/16. 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.
vie. 10/319:53 amATW - STL
1 stop6h 16mAmerican Airlines
mar. 11/48:13 amSTL - ATW
2 stops10h 59mAmerican Airlines
Deal found 10/16$259
This Delta deal was found by Cheapflights users on 10/16. 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.
vie. 10/177:01 amATW - STL
1 stop6h 21mDelta
sáb. 10/1810:45 amSTL - ATW
1 stop5h 27mDelta
Deal found 10/16$289
This American Airlines deal was found by Cheapflights users on 10/15. 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.
sáb. 10/256:00 amATW - STL
2 stops9h 45mAmerican Airlines
mié. 10/296:00 amSTL - ATW
1 stop3h 23mAmerican Airlines
Deal found 10/15$304
This American Airlines deal was found by Cheapflights users on 10/16. 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.
vie. 11/213:43 pmATW - STL
2 stops8h 22mAmerican Airlines
dom. 11/237:28 pmSTL - ATW
1 stop4h 05mAmerican Airlines
Deal found 10/16$339
This American Airlines deal was found by Cheapflights users on 10/15. 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.
sáb. 12/65:10 amATW - STL
2 stops8h 08mAmerican Airlines
dom. 12/77:12 amSTL - ATW
2 stops8h 06mAmerican Airlines
Deal found 10/15$344
This American Airlines deal was found by Cheapflights users on 10/15. 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.
mié. 11/267:42 pmATW - STL
1 stop4h 14mAmerican Airlines
lun. 12/16:00 amSTL - ATW
1 stop3h 16mAmerican Airlines
Deal found 10/15$358

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 octubre 16, 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

vie. 11/21

7:00 am-1:51 pm

1 stop6h 51m

Lambert-St Louis

dom. 11/23

6:00 am-11:33 am

1 stop5h 33m

$229

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

sáb. 12/6

9:39 am-9:28 pm

2 stops11h 49m

Lambert-St Louis

dom. 12/7

5:15 am-9:08 am

1 stop3h 53m

$234

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

vie. 10/31

11:11 am-5:29 pm

1 stop6h 18m

Lambert-St Louis

mar. 11/4

6:00 am-11:25 am

1 stop5h 25m

$234

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

jue. 10/30

6:21 pm-10:45 pm

1 stop4h 24m

Lambert-St Louis

lun. 11/3

5:24 pm-9:33 pm

1 stop4h 09m

$239

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

sáb. 10/25

6:25 am-11:34 am

1 stop5h 09m

Lambert-St Louis

mié. 10/29

6:00 am-11:25 am

1 stop5h 25m

$254

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

vie. 10/31

9:53 am-4:09 pm

1 stop6h 16m

Lambert-St Louis

mar. 11/4

8:13 am-7:12 pm

2 stops10h 59m

$259

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

jue. 10/30

9:53 am-4:04 pm

1 stop6h 11m

Lambert-St Louis

lun. 11/3

2:05 pm-11:33 pm

2 stops9h 28m

$304

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

vie. 11/21

3:43 pm-12:05 am

2 stops8h 22m

Lambert-St Louis

dom. 11/23

7:28 pm-11:33 pm

1 stop4h 05m

$339

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

mié. 1/7

12:06 pm-4:50 pm

1 stop4h 44m

Lambert-St Louis

vie. 1/9

5:30 pm-9:39 pm

1 stop4h 09m

$351

AppletonSt. Louis

ATW - STL

ATWSTL

Appleton Intl

lun. 11/3

4:15 pm-6:36 pm

2 stops26h 21m

$191

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 17 results
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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, April is the cheapest month in which you can book a flight from Oshkosh to St. Louis (average of $156). Flying from Oshkosh to St. Louis in May is currently the most expensive (average of $238). 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 octubre 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Oshkosh to St. Louis in the evening. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight at noon.

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 octubre 16, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Oshkosh to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,984 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
8.0
Very good
7,984 reviews
Delta
8.0
Very good
7,984 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,982 reviews
Delta
8.0
Very good
7,984 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,043 reviews
Delta
8.0
Very good
7,984 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 29 times in the past calendar month.

  • How long is the flight from Oshkosh to St. Louis?

    Delta, American Airlines, and United Airlines can get you from Oshkosh to St. Louis in just under 4h 24m. Your travel time can differ by up to 7h 25m. Oshkosh and St. Louis are separated by a distance of 392 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest flight price from Oshkosh to St. Louis is $97. On average you can expect to pay $311. 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, April is the cheapest month in which you can book a flight from Oshkosh to St. Louis (average of $156). Flying from Oshkosh to St. Louis in May is currently the most expensive (average of $238). 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 St. Louis?

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

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Alternative routes for Oshkosh to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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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 octubre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$156Average$366FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$158Average$382FlexibilityNo cancel feeOn-time71%
DeltaCheapest$213Average$337FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$227Average$350FlexibilityNo cancel feeOn-time63%

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