$170 Cheap Flights from Ontario (ONT) to Appleton (ATW)

View $170 flight on Wed, Sep 17, 2025Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Appleton, WI (ATW-Appleton Intl.)

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Cheap Flights from Ontario to Appleton (ONT-ATW)

Prices were available within the past 7 days and start at $170 for one-way flights and $289 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Aug 27 - Sun, Aug 31
ONT
Ontario
ATW
Appleton
$289 Roundtrip, found 3 hours ago
$289
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Aug 27 from Ontario to Appleton, returning Sun, Aug 31, priced at $289 found 3 hours ago
Delta
Wed, Aug 6 - Wed, Aug 20
ONT
Ontario
ATW
Appleton
$294 Roundtrip, found 10 hours ago
$294
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Aug 6 from Ontario to Appleton, returning Wed, Aug 20, priced at $294 found 10 hours ago
United
Sat, Jul 26 - Tue, Jul 29
ONT
Ontario
ATW
Appleton
$303 Roundtrip, found 16 hours ago
$303
Roundtrip
found 16 hours ago
Select United flight, departing Sat, Jul 26 from Ontario to Appleton, returning Tue, Jul 29, priced at $303 found 16 hours ago
United
Thu, Sep 4 - Sat, Sep 6
ONT
Ontario
ATW
Appleton
$314 Roundtrip, found 1 day ago
$314
Roundtrip
found 1 day ago
Select United flight, departing Thu, Sep 4 from Ontario to Appleton, returning Sat, Sep 6, priced at $314 found 1 day ago
American Airlines
Wed, Aug 13 - Wed, Aug 20
ONT
Ontario
ATW
Appleton
$317 Roundtrip, found 1 day ago
$317
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Aug 13 from Ontario to Appleton, returning Wed, Aug 20, priced at $317 found 1 day ago
United
Thu, Sep 4 - Sat, Sep 6
ONT
Ontario
ATW
Appleton
$319 Roundtrip, found 1 day ago
$319
Roundtrip
found 1 day ago
Select United flight, departing Thu, Sep 4 from Ontario to Appleton, returning Sat, Sep 6, priced at $319 found 1 day ago
United
Thu, Jul 17 - Thu, Jul 24
ONT
Ontario
ATW
Appleton
$328 Roundtrip, found 2 days ago
$328
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jul 17 from Ontario to Appleton, returning Thu, Jul 24, priced at $328 found 2 days ago
United
Sat, Aug 2 - Mon, Aug 11
ONT
Ontario
ATW
Appleton
$331 Roundtrip, found 6 days ago
$331
Roundtrip
found 6 days ago
Select United flight, departing Sat, Aug 2 from Ontario to Appleton, returning Mon, Aug 11, priced at $331 found 6 days ago
United
Thu, Sep 4 - Sat, Sep 6
ONT
Ontario
ATW
Appleton
$334 Roundtrip, found 1 day ago
$334
Roundtrip
found 1 day ago
Select United flight, departing Thu, Sep 4 from Ontario to Appleton, returning Sat, Sep 6, priced at $334 found 1 day ago
American Airlines
Wed, Aug 27 - Sun, Aug 31
ONT
Ontario
ATW
Appleton
$339 Roundtrip, found 3 hours ago
$339
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Aug 27 from Ontario to Appleton, returning Sun, Aug 31, priced at $339 found 3 hours ago

Find the cheapest month to fly from Ontario (ONT) to Appleton (ATW)

May is typically the cheapest month to fly

From $261 - $593 per traveler.

Graph displaying average flight prices per month

Alternative airports near Appleton

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Austin Straubel Intl. GRB. Average driving time to city center is 32 minutes. Flights from $509
GRB
Austin Straubel Intl.
Average driving time to city center32 min
Flights from $509
Flights from Ontario (ONT) to Appleton (ATW)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Appleton Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$288
Distance
1697 mi

Ontario to Appleton Flights

The cheapest times to fly from Ontario to Appleton

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ontario to Appleton are during the month of August. You can find some of the cheapest flights from Ontario to Appleton with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ontario to Appleton

Sunday is one of the best days to book for cheap flights from Ontario to Appleton: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ontario to Appleton

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ontario to Appleton in 2025. You can also book with separate airlines for your outbound and return journeys, from $170 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ontario to Appleton flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ontario to Appleton airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Appleton Intl. Airport (ATW) cost?
Discover the latest flight deals from ONT to ATW by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ONT to ATW?
The cheapest flights from ONT to ATW are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ONT to ATW?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ONT to ATW. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Appleton Intl. Airport (ATW)?
There are no daily nonstop flights departing from Los Angeles - Ontario Intl. Airport (ONT) to Appleton Intl. Airport (ATW). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from ONT to ATW?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on a range of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Los Angeles - Ontario Intl. Airport (ONT) to Appleton Intl. Airport (ATW)?
To avoid potential delays on the Los Angeles - Ontario Intl. Airport (ONT) to Appleton Intl. Airport (ATW) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Los Angeles - Ontario Intl. Airport (ONT) to Appleton Intl. Airport (ATW) last-minute?
Last-minute fares from ONT to ATW are usually more expensive. To secure the lowest prices, start looking for flights well ahead of time. That being said, if you're flexible with your travel dates, you may land a cheap fare right before your trip.
Is it cheaper to book an ONT to ATW flight and hotel package?
Booking an ONT to ATW flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our extensive range of stays and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Appleton Intl. Airport (ATW)?
In most instances, you can reschedule or cancel your ONT to ATW flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like further information, head to our Customer Service portal.

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*Available to One Key members.