Cheap flights from Ontario (ONT) to Oshkosh

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How to find the cheapest flight from
Ontario (ONT) to Oshkosh

All the information you need to plan the best ONT to MKE flight in 2021: compare Ontario to Oshkosh flight prices with the expected peak season, weather and rainfall in Oshkosh.
How far in advance should I book a flight from Ontario to Oshkosh?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 23 days in advance, which can save you up to 30% on flights from Ontario to Oshkosh compared to booking the week you need them. Waiting 23 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $371. For sooner than that we have options available in the next 3 days from $498.

When is the cheapest time to fly from Ontario to Oshkosh (ONT - OS9)?

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

What is the cheapest month to fly from Ontario to Oshkosh?

Our data shows that August tends to be the cheapest month to fly to Oshkosh from Ontario. Users have commonly found prices around $385 for the month, but tickets can be as low as $237. Due to multiple factors, prepare for potentially higher prices in June.

Cheap flights from Ontario to Oshkosh in November, December 2021

The best prices found for ONT to Oshkosh flights for November, December
1 Dec - 5 Dec
$491pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
ATW
Appleton Outagamie County
ATW
Appleton Outagamie County
Multiple Airlines
   
2 STOPS
ONT
Ontario
25 Dec - 1 Jan
$495pp
ONT
Ontario
American Airlines
   
2 STOPS
ATW
Appleton Outagamie County
ATW
Appleton Outagamie County
American Airlines
   
2 STOPS
ONT
Ontario
1 Dec - 5 Dec
$556pp
ONT
Ontario
American Airlines
 
1 STOP
ATW
Appleton Outagamie County
ATW
Appleton Outagamie County
American Airlines
 
1 STOP
ONT
Ontario

Ontario to Oshkosh 2022 flight deals

Cheap flights to Oshkosh from Ontario found for next year
1 Dec - 5 Dec
$491pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
ATW
Appleton Outagamie County
ATW
Appleton Outagamie County
Multiple Airlines
   
2 STOPS
ONT
Ontario
25 Dec - 1 Jan
$495pp
ONT
Ontario
American Airlines
   
2 STOPS
ATW
Appleton Outagamie County
ATW
Appleton Outagamie County
American Airlines
   
2 STOPS
ONT
Ontario
1 Dec - 5 Dec
$556pp
ONT
Ontario
American Airlines
 
1 STOP
ATW
Appleton Outagamie County
ATW
Appleton Outagamie County
American Airlines
 
1 STOP
ONT
Ontario

One-way flights to Oshkosh from Ontario

The cheapest one-way flights from Ontario to Oshkosh
2:10 am - 10:44 am
Delta
1 Stop
6h 34m
ONT - ATW
Delta
$499
Delta
6:59 pm - 12:10 am
Multiple Airlines
3 Stops
27h 11m
ONT - ATW
Multiple Airlines
$570
Kiwi.com
12:53 am - 5:33 pm
American Airlines
3 Stops
14h 40m
ONT - ATW
American Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ontario</span> to <span class="emphasized">Oshkosh</span> flights.

Flight FAQs

From Ontario to Oshkosh

What airport do you fly from for flights from Ontario to Oshkosh?

Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Oshkosh from Ontario. Booking flights from Ontario (ONT) to Oshkosh should be relatively easy as there are 0 daily outbound flights to Oshkosh from 5 different airlines.

Which airlines flying from Ontario to Oshkosh have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, American Airlines, and Delta flying from Ontario to Oshkosh have implemented new flexible cancellation policies.

Can I find flights from Ontario to Oshkosh for under $400 on Cheapflights?

Yes, there are multiple flights from Ontario to Oshkosh for under $400. The cheapest flight booked recently is on Multiple Airlines for just $321, but on average you can expect to pay $785.

What are the cheapest airlines to fly from Ontario to Oshkosh one-way?

$206 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $279 and $317, respectively.

What are the most popular airlines that fly from Ontario to Oshkosh?

The most popular airlines flying from Ontario to Oshkosh are Major Airline, American Airlines and Delta. Something to consider prior to booking your flight.

What are the cheapest flights from Ontario to Oshkosh?

Looking for the cheapest flight from Ontario to Oshkosh? While on average our users pay $389, our data indicates the cheapest price to be $81. The most popular route (Ontario - Appleton Outagamie County), is priced around $321.

COVID Restrictions

View COVID Travel Restrictions for Oshkosh

Do I need a COVID test to fly to Oshkosh from Ontario?

Information is based on travel restrictions for travel to Oshkosh within the United States

Most visitors from Ontario need to provide a negative COVID-19 test result and/or quarantine to enter Oshkosh.

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Oshkosh.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Oshkosh.

Do I need a test to fly back to Ontario from Oshkosh?

Returning to Ontario from Oshkosh

COVID-19 testing requirements
Visitors from Oshkosh must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Ontario.

Quarantine requirements
Visitors from Oshkosh are not required to quarantine after entering Ontario.

Hide COVID Travel Restrictions for Oshkosh

Alternative routes for Ontario to Oshkosh

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Oshkosh

Things to know before you go - useful duration and weather info for your trip from Ontario to Oshkosh.
Average temperature for November in Oshkosh
44.6 °F
Avg rainfall for November in Oshkosh
2.0 ″

Airports servicing Ontario

Airports servicing Oshkosh

Top 4 airlines flying from Ontario to Oshkosh

The chart below displays the airlines Cheapflights users traveling from Ontario to Oshkosh choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$112 $237 No cancel fee 62%
United Airlines
$141 $460 No cancel fee 69%
American Airlines
$159 $469 No cancel fee 71%
Delta
$179 $385 No cancel fee N/A
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