HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Appleton

$209+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ATW
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$289
(American Airlines)

One-way from

$209
(Delta)

Popular in

November

Cheapest in

January

Average price

$520
From Ontario to Appleton Intl
Search Deals
One-way flight from Ontario to Appleton Intl
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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 September 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 12/612:46 pmONT - ATW
1 stop6h 24mAmerican Airlines
Tue 12/96:08 amATW - ONT
1 stop9h 47mAmerican Airlines
Deal found 9/14$289
This Delta deal was found by Cheapflights users on 9/15. 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.
Sat 12/611:45 amONT - ATW
1 stop8h 26mDelta
Tue 12/94:18 pmATW - ONT
2 stops9h 41mDelta
Deal found 9/15$294
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:00 amONT - ATW
1 stop15h 23mMultiple Airlines
Sun 11/167:00 amATW - ONT
1 stop26h 17mMultiple Airlines
Deal found 9/14$313
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 12/512:46 pmONT - ATW
1 stop6h 24mAmerican Airlines
Tue 12/96:08 amATW - ONT
1 stop7h 45mAmerican Airlines
Deal found 9/14$354
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/185:05 amONT - ATW
2 stops9h 44mUnited Airlines
Sun 11/22:32 pmATW - ONT
1 stop9h 59mUnited Airlines
Deal found 9/14$384
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/17:00 amONT - ATW
1 stop6h 07mUnited Airlines
Tue 11/42:32 pmATW - ONT
2 stops10h 19mUnited Airlines
Deal found 9/15$409
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 12/311:45 amONT - ATW
1 stop8h 26mDelta
Tue 12/94:18 pmATW - ONT
2 stops9h 41mDelta
Deal found 9/14$418
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 10/176:27 pmONT - ATW
1 stop24h 29mUnited Airlines
Sun 11/22:32 pmATW - ONT
1 stop9h 59mUnited Airlines
Deal found 9/14$424

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 September 16, 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

Sat 12/6

11:45 am-10:11 pm

1 stop8h 26m

Appleton Intl

Tue 12/9

4:18 pm-11:59 pm

2 stops9h 41m

$294

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Wed 12/3

6:00 am-5:22 pm

2 stops9h 22m

Appleton Intl

Tue 12/9

4:18 pm-11:59 pm

2 stops9h 41m

$299

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Fri 11/14

6:00 am-11:23 pm

1 stop15h 23m

Appleton Intl

Sun 11/16

7:00 am-7:17 am

1 stop26h 17m

$313

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Sat 12/6

12:46 pm-9:10 pm

1 stop6h 24m

Appleton Intl

Tue 12/9

6:08 am-11:53 am

1 stop7h 45m

$339

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Sat 11/1

1:29 pm-8:58 pm

1 stop5h 29m

Appleton Intl

Tue 11/4

2:32 pm-10:51 pm

2 stops10h 19m

$409

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Wed 11/12

11:45 am-10:08 pm

1 stop8h 23m

$209

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Sat 11/15

11:45 am-10:08 pm

1 stop8h 23m

$219

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Tue 11/11

11:45 am-10:08 pm

1 stop8h 23m

$234

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Mon 11/10

7:00 am-4:42 pm

1 stop7h 42m

$264

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Sat 11/15

12:53 pm-11:38 pm

2 stops8h 45m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 17 results
1
2

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 $312). 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 September 16, 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.

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 September 16, 2025.
Read reviews from past customers who have flown United Airlines and American Airlines from Ontario to Appleton. 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.
United Airlines
7.4
Good
8,924 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.
United Airlines
7.4
Good
8,924 reviews
United Airlines
7.4
Good
8,924 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,924 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

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.

  • How long is the flight from Ontario to Appleton?

    Airlines like Delta fly from Ontario to Appleton in about 8h 26m. The time it takes to get you to your destination can typically vary by up to . The distance between Ontario and Appleton is about 1697 mi.

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

    Our cheapest airline available from Ontario to Appleton is American Airlines. Our recent data shows that you can find tickets from as low as $288 on this airline. An additional option worth looking into is United Airlines, starting at $417. American Airlines is 47% 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 Delta ($209), United Airlines ($264), and American Airlines ($269).

  • 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 $312). 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 Appleton?

Book flights to Appleton 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
Los Angeles to Minneapolis flights
San Jose to O'Hare Intl flights
San Diego to O'Hare Intl flights
San Francisco to Minneapolis flights
Oakland to O'Hare Intl flights
Sacramento to O'Hare Intl flights
Las Vegas to O'Hare Intl flights
Santa Ana to Minneapolis flights
San Diego to Minneapolis flights
Ontario to Minneapolis flights
Las Vegas to Minneapolis flights
Sacramento to Minneapolis flights
Palm Springs to O'Hare Intl flights
Long Beach to O'Hare Intl flights
San Jose to Minneapolis flights
Los Angeles to Milwaukee flights
Fresno to O'Hare Intl flights
San Francisco to Madison flights
San Francisco to Milwaukee flights
San Diego to Madison flights
Los Angeles to Madison flights
Reno to O'Hare Intl flights
San Diego to Milwaukee flights
Oakland to Minneapolis flights
Ontario to Milwaukee flights
Los Angeles to Green Bay flights
Los Angeles to Appleton flights
San Jose to Madison flights
Ontario to Madison flights
Las Vegas to Milwaukee flights
Burbank to Minneapolis flights
Palm Springs to Minneapolis flights
Fresno to Minneapolis flights
Sacramento to Madison flights
San Jose to Milwaukee flights
Santa Ana to Milwaukee flights
San Francisco to Green Bay flights
Santa Ana to Madison flights
San Francisco to Appleton flights
Oakland to Milwaukee flights
San Luis Obispo to O'Hare Intl flights
San Diego to Green Bay flights
Monterey to O'Hare Intl flights
Reno to Minneapolis flights
Sacramento to Milwaukee flights

Top 2 airlines flying from Ontario to Appleton

Discover the top 2 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$546FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$417Average$558FlexibilityNo 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.