Cheap flights from Ontario (ONT) to Oshkosh, WI

ONT — MKE
Dec 9 — Dec 161

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

All the information you need to plan the best ONT to OS9 flight in 2022: compare Ontario to Oshkosh flight prices with the expected peak season, weather and rainfall in Oshkosh.

ONT - OS9

Price

$370 - $944

OS9

Temperature

17.6 - 71.6 °F

OS9

Rainfall

0.8 - 4 inches

Popular inSeptemberHigh demand for flights, 30% potential price rise
Cheapest inJanuaryBest time to find cheap flights, 44% potential price drop
Round-trip from$370From Ontario to Oshkosh
One-way from$329One-way flight from Ontario to 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 14 days in advance, which can save you up to 12% on flights from Ontario to Oshkosh compared to booking the week you need them. Waiting 14 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 $620. For sooner than that we have options available in the next 3 days from $755.

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

Our data shows that February tends to be the cheapest month to fly to Oshkosh from Ontario. Users have commonly found prices around $619 for the month, but tickets can be as low as $330. Due to multiple factors, prepare for potentially higher prices in April.

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.

Cheap flights from Ontario to Oshkosh in December, January 2022

The best prices found for ONT to Oshkosh flights for December, January
Jan 27 - Feb 1
ONT

Ontario

ATW

Appleton Outagamie County

2 stops

12h 31m
ATW

Appleton Outagamie County

ONT

Ontario

2 stops

26h 51m
$429

United Airlines

Pick Dates

Deal found 12/3

Jan 27 - Feb 2
ONT

Ontario

ATW

Appleton Outagamie County

2 stops

12h 31m
ATW

Appleton Outagamie County

ONT

Ontario

2 stops

26h 51m
$449

United Airlines

Pick Dates

Deal found 12/3

Jan 27 - Jan 31
ONT

Ontario

ATW

Appleton Outagamie County

1 stop

7h 56m
ATW

Appleton Outagamie County

ONT

Ontario

2 stops

11h 45m
$455

Delta

Pick Dates

Deal found 12/3

Ontario to Oshkosh 2022 flight deals

Cheap flights to Oshkosh from Ontario found for this year
Dec 14 - Dec 17
ONT

Ontario

ATW

Appleton Outagamie County

1 stop

13h 17m
ATW

Appleton Outagamie County

ONT

Ontario

1 stop

14h 02m
$534

United Airlines

Pick Dates

Deal found 12/2

Dec 14 - Dec 17
ONT

Ontario

ATW

Appleton Outagamie County

1 stop

13h 17m
ATW

Appleton Outagamie County

ONT

Ontario

2 stops

13h 16m
$588

United Airlines

Pick Dates

Deal found 12/2

Dec 24 - Dec 28
ONT

Ontario

ATW

Appleton Outagamie County

2 stops

30h 05m
ATW

Appleton Outagamie County

ONT

Ontario

1 stop

15h 47m
$681

American Airlines

Pick Dates

Deal found 12/3

Cheap United Airlines flights from Ontario to Oshkosh

Feb 1 - Feb 4
ONT

Ontario

ATW

Appleton Outagamie County

2 stops

12h 31m
ATW

Appleton Outagamie County

ONT

Ontario

2 stops

13h 24m
$403

United Airlines

Pick Dates

Deal found 12/2

Feb 1 - Feb 4
ONT

Ontario

ATW

Appleton Outagamie County

1 stop

13h 23m
ATW

Appleton Outagamie County

ONT

Ontario

2 stops

13h 24m
$424

United Airlines

Pick Dates

Deal found 12/2

Jan 27 - Feb 1
ONT

Ontario

ATW

Appleton Outagamie County

2 stops

12h 31m
ATW

Appleton Outagamie County

ONT

Ontario

2 stops

26h 51m
$429

United Airlines

Pick Dates

Deal found 12/3

Cheap Delta flights from Ontario to Oshkosh

Jan 27 - Jan 31
ONT

Ontario

ATW

Appleton Outagamie County

1 stop

7h 56m
ATW

Appleton Outagamie County

ONT

Ontario

2 stops

11h 45m
$455

Delta

Pick Dates

Deal found 12/3

Jan 27 - Jan 28
ONT

Ontario

ATW

Appleton Outagamie County

1 stop

7h 56m
ATW

Appleton Outagamie County

ONT

Ontario

2 stops

12h 03m
$481

Delta

Pick Dates

Deal found 12/3

Jan 27 - Jan 30
ONT

Ontario

ATW

Appleton Outagamie County

1 stop

7h 56m
ATW

Appleton Outagamie County

ONT

Ontario

1 stop

8h 27m
$498

Delta

Pick Dates

Deal found 12/3

Last minute flights from Ontario to Oshkosh

Late deals on return flights to Oshkosh from Ontario, departing today and this week
Dec 14 - Dec 17
ONT

Ontario

ATW

Appleton Outagamie County

1 stop

13h 17m
ATW

Appleton Outagamie County

ONT

Ontario

1 stop

14h 02m
$534

United Airlines

Pick Dates

Deal found 12/2

Dec 14 - Dec 17
ONT

Ontario

ATW

Appleton Outagamie County

1 stop

13h 17m
ATW

Appleton Outagamie County

ONT

Ontario

2 stops

13h 16m
$588

United Airlines

Pick Dates

Deal found 12/2

Dec 14 - Dec 17
ONT

Ontario

ATW

Appleton Outagamie County

2 stops

12h 12m
ATW

Appleton Outagamie County

ONT

Ontario

2 stops

21h 28m
$1,094

Multiple Airlines

Pick Dates

Deal found 12/2

One-way flights to Oshkosh from Ontario

The cheapest one-way flights from Ontario to Oshkosh
Dec 26
ONT

Ontario

ATW

Appleton Outagamie County

1 stop

5h 25m
$329

United Airlines

Pick Dates

Deal found 12/2

Dec 26
ONT

Ontario

ATW

Appleton Outagamie County

2 stops

12h 48m
$339

American Airlines

Pick Dates

Deal found 12/2

Dec 17
ONT

Ontario

ATW

Appleton Outagamie County

2 stops

13h 50m
$407

United Airlines

Pick Dates

Deal found 12/3

Related info for your journey

Useful info, stats and facts about Ontario to Oshkosh flights.

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 7 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 and Delta flying from Ontario to Oshkosh have implemented new flexible cancellation policies.

Can I find flights from Ontario to Oshkosh for under $500 on Cheapflights?

Yes, there are multiple flights from Ontario to Oshkosh for under $500. The cheapest flight booked recently is on United Airlines for just $403, but on average you can expect to pay $556.

Are there last-minute flights available from Ontario to Oshkosh for under $600?

There are currently 3+ open flights from Ontario to Oshkosh within the next 7 days for less than $600.

How popular is this Ontario to Oshkosh flight route?

The Ontario to Oshkosh flight path was viewed by 11 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

The most popular airlines flying from Ontario to Oshkosh are American Airlines, Alaska 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 $704, our data indicates the cheapest price to be $83. The most popular route (Ontario - Appleton Outagamie County), is priced around $403.

Other flights from Ontario

Alternative routes for Ontario to Oshkosh

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

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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
FrontierCheapest$175Average$418FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
DeltaCheapest$179Average$608FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
United AirlinesCheapest$279Average$882FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
American AirlinesCheapest$317Average$582FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights

Hourly flight availability from Ontario to Oshkosh

See what time of day planes typically take off from Ontario to Oshkosh
0%of flight departuresEarly morningMidnight to 6 am
100%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM