HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Appleton

$240+ Cheap flights from Ontario to Appleton (ONT - ATW)

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ATW
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Appleton with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Appleton

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Appleton (ATW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$379
(United Airlines)

One-way from

$240
(American Airlines)

Popular in

November

Cheapest in

January

Average price

$528
From Ontario to Appleton Intl
Search Deals
One-way flight from Ontario to Appleton Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Ontario to Appleton

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

This United Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 9/167:00 amONT - ATW
1 stop7h 49mUnited Airlines
Sat 10/1812:37 pmATW - ONT
1 stop7h 29mUnited Airlines
Deal found 6/9$379
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 8/1412:47 pmONT - ATW
1 stop6h 38mAmerican Airlines
Sun 8/176:35 amATW - ONT
1 stop9h 06mAmerican Airlines
Deal found 6/10$408
This Delta deal was found by Cheapflights users on 6/9. 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.
Thu 7/1711:40 amONT - ATW
1 stop8h 52mDelta
Mon 7/214:10 pmATW - ONT
2 stops9h 32mDelta
Deal found 6/9$673

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Appleton 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 Ontario to Appleton that are best for you.

Fly from

Ontario

Fly to

Appleton

Route

Depart

Return

Price

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Tue 9/16

7:00 am-4:49 pm

1 stop7h 49m

Appleton Intl

Sat 10/18

12:37 pm-6:06 pm

1 stop7h 29m

$379

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Thu 8/14

12:47 pm-9:25 pm

1 stop6h 38m

Appleton Intl

Sun 8/17

6:35 am-1:41 pm

1 stop9h 06m

$408

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Thu 7/17

11:40 am-10:32 pm

1 stop8h 52m

Appleton Intl

Mon 7/21

4:10 pm-11:42 pm

2 stops9h 32m

$673

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Wed 7/9

12:46 pm-9:39 pm

1 stop6h 53m

$240

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Tue 7/8

7:00 am-3:10 pm

1 stop6h 10m

$285

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Mon 7/7

11:40 am-10:32 pm

1 stop8h 52m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Ontario to Appleton

Have a flexible travel schedule? Discover the best time to fly to Appleton from Ontario 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 Ontario to Appleton

What is the cheapest month to book a flight from Ontario to Appleton?

Currently, January is the cheapest month in which you can book a flight from Ontario to Appleton (average of $314). Flying from Ontario to Appleton in March is currently the most expensive (average of $421). 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 ONT to ATW?

Find hourly flight availability from Ontario to Appleton. 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.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 42% on flights from Ontario to Appleton by exploring options for tickets at noon.

Rainfall in Appleton by month

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

In terms of precipitation, rainfall in Appleton 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 Appleton when rainfall is around 1.1 in.

Temperature in Appleton by month

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

If weather is an important factor for your trip to Appleton, 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).

Reviews of airlines servicing Appleton

Get insights into the airlines that provide service to Appleton. 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 Appleton. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from Ontario to Appleton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Ontario to Appleton round-trip?

    Our cheapest airline available from Ontario to Appleton is United Airlines. Our recent data shows that you can find tickets from as low as $379 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $408 and $673 round-trip. United Airlines is 34% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from Ontario to Appleton are American Airlines ($240), United Airlines ($285), and Delta ($289).

  • Can I find deals for flights from Ontario to Appleton that include hotel bookings?

    Yes. In addition to deals on Ontario to Appleton flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Appleton?

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

  • Can I find deals for business class flights from Ontario to Appleton?

    Yes. Cheapflights offers flight deals from Ontario to Appleton 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 Ontario to Appleton?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Appleton (average of $314). Flying from Ontario to Appleton in March is currently the most expensive (average of $421). 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 Ontario?

Book flights to Ontario if you plan to visit one of these locations
Neenah
Fond du Lac

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Appleton

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to O'Hare Intl flights
San Francisco to O'Hare Intl flights
Ontario to O'Hare Intl flights
Santa Ana to O'Hare Intl flights
Burbank to O'Hare Intl flights
San Diego to O'Hare Intl flights
Los Angeles to Minneapolis flights
Oakland to O'Hare Intl flights
San Jose to O'Hare Intl flights
San Francisco to Minneapolis flights
Sacramento to O'Hare Intl flights
Ontario to Minneapolis flights
San Diego to Minneapolis flights
Las Vegas to O'Hare Intl flights
San Jose to Minneapolis flights
Santa Ana to Minneapolis flights
Long Beach to O'Hare Intl flights
Sacramento to Minneapolis flights
San Francisco to Milwaukee flights
Los Angeles to Milwaukee flights
Fresno to O'Hare Intl flights
San Francisco to Madison flights
Las Vegas to Minneapolis flights
Palm Springs to O'Hare Intl flights
Ontario to Milwaukee flights
Oakland to Minneapolis flights
Santa Ana to Milwaukee flights
San Diego to Milwaukee flights
Burbank to Minneapolis flights
Reno to O'Hare Intl flights
San Diego to Madison flights
Burbank to Milwaukee flights
Long Beach to Minneapolis flights
Los Angeles to Green Bay flights
Oakland to Milwaukee flights
San Jose to Milwaukee flights
Sacramento to Madison flights
Sacramento to Milwaukee flights
Palm Springs to Minneapolis flights
Fresno to Minneapolis flights
Santa Barbara to O'Hare Intl flights
Las Vegas to Milwaukee flights
Ontario to Green Bay flights
Los Angeles to Wausau flights
Ontario to Madison flights
Los Angeles to Appleton flights
San Luis Obispo to O'Hare Intl flights
San Diego to Green Bay flights
San Francisco to Appleton flights
Los Angeles to Madison flights

Top 3 airlines flying from Ontario to Appleton

Discover the top 3 airlines that operate flights from Ontario to Appleton. 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
DeltaCheapest$279Average$432FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$293Average$617FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$410Average$552FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.