Oshkosh

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

STL — MKE
Feb 25 — Mar 41
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Cheap flight deals from St. Louis to Oshkosh

Keep the following information in mind while searching for St. Louis to Oshkosh flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

August

Cheapest in

November
Provider with most accurate pricing for Lambert-St Louis-Appleton Intl flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Appleton Intl flights.
Highest demand for flights based on searches. 17% potential increase in price ($70 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($24 potential savings vs. average RT price).

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

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

Travel insights for flights from St. Louis to Oshkosh

Get recent, data-driven insights about flights from St. Louis to Oshkosh including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from St. Louis to Oshkosh (average of $280). Flying from St. Louis 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 STL to OS9?

Find hourly flight availability from St. Louis 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 February 20, 2025.

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

Rainfall in Oshkosh by month

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

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

Related info for your journey

Find useful and relevant information for your journey from St. Louis 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 St. Louis to Oshkosh?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Oshkosh. You should not have trouble finding flights to Oshkosh from Lambert-St Louis; the airport handles an average of 0 outbound flights to Oshkosh per day. You should also have plenty of airline options to choose from since 4 airlines have flights from the St. Louis airport to Oshkosh. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

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

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Oshkosh (average of $280). Flying from St. Louis 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.

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Top 4 airlines flying from St. Louis to Oshkosh

Discover the top 4 airlines that operate flights from St. Louis to Oshkosh. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$156Average$298FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$157Average$345FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$174Average$412FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$254Average$329FlexibilityNo cancel feeOn-time63%
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