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Ontario

$295+ Cheap flights from Appleton to Ontario (ATW - ONT)

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — ONT
Jul 28 — Aug 41
Tue 7/28
Tue 8/4
1 adult, Economy
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Cheap flight deals from Appleton to Ontario

Cheapest flights from Appleton to Ontario
Explore the most affordable flight options available from Appleton to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 28, 2026.

This Delta deal was found by Cheapflights users on 6/25. 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 8/265:31 am
ATW
-
ONT
1 stop7h 11m
Delta
Tue 9/112:00 pm
ONT
-
ATW
1 stop8h 44m
Delta
Deal found 6/25$349
This Delta deal was found by Cheapflights users on 6/25. 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 8/265:31 am
ATW
-
ONT
1 stop7h 11m
Delta
Thu 9/31:06 pm
ONT
-
ATW
2 stops7h 50m
Delta
Deal found 6/25$354
This Delta deal was found by Cheapflights users on 6/25. 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.
Fri 8/282:06 pm
ATW
-
ONT
2 stops11h 28m
Delta
Thu 9/31:06 pm
ONT
-
ATW
2 stops7h 50m
Delta
Deal found 6/25$359
This Delta deal was found by Cheapflights users on 6/25. 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 8/265:31 am
ATW
-
ONT
1 stop7h 11m
Delta
Fri 9/412:00 pm
ONT
-
ATW
1 stop8h 44m
Delta
Deal found 6/25$384
This Delta deal was found by Cheapflights users on 6/27. 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.
Tue 10/275:35 am
ATW
-
ONT
1 stop7h 33m
Delta
Mon 11/211:15 pm
ONT
-
ATW
2 stops9h 12m
Delta
Deal found 6/27$389
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 8/284:04 pm
ATW
-
ONT
2 stops28h 57m
Multiple Airlines
Thu 9/33:40 pm
ONT
-
ATW
1 stop28h 48m
Multiple Airlines
Deal found 6/25$392
This Delta deal was found by Cheapflights users on 6/25. 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 8/265:31 am
ATW
-
ONT
1 stop7h 11m
Delta
Sun 9/612:00 pm
ONT
-
ATW
1 stop8h 44m
Delta
Deal found 6/25$424
This Delta deal was found by Cheapflights users on 6/25. 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.
Tue 8/255:31 am
ATW
-
ONT
1 stop7h 11m
Delta
Sat 9/51:06 pm
ONT
-
ATW
2 stops7h 50m
Delta
Deal found 6/25$429
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Mon 8/2412:36 pm
ATW
-
ONT
1 stop8h 11m
American Airlines
Sat 8/296:15 am
ONT
-
ATW
2 stops11h 25m
American Airlines
Deal found 6/28$439
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Mon 8/245:00 pm
ATW
-
ONT
1 stop7h 35m
United Airlines
Sat 8/291:18 pm
ONT
-
ATW
1 stop5h 36m
United Airlines
Deal found 6/25$449
This United Airlines deal was found by Cheapflights users on 6/25. 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 8/289:10 am
ATW
-
ONT
2 stops12h 51m
United Airlines
Sat 9/51:18 pm
ONT
-
ATW
1 stop5h 36m
United Airlines
Deal found 6/25$454

Find flight deals from Appleton to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Appleton (ATW) to Ontario (ONT). 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 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(Delta)

One-way from

$295
(United Airlines)

Popular in

March

Cheapest in

December

Average price

$786
Provider with most accurate pricing for Appleton Intl-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Appleton Intl-Ontario flights.
Search Deals
From Appleton Intl to Ontario
Search Deals
One-way flight from Appleton Intl to Ontario
Search Deals
Highest demand for flights based on searches. 53% potential increase in price ($1,011 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 50% potential price decrease ($289 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Appleton to Ontario 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 28, 2026.
Use the filters below to find and compare flights from Appleton to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Tue 10/27

12:28 pm-10:43 pm

2 stops12h 15m

Ontario

Mon 11/2

11:15 pm-10:27 am

2 stops9h 12m

$359

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Tue 11/10

5:00 pm-12:01 pm

2 stops21h 01m

Ontario

Sat 11/14

6:46 am-5:53 pm

1 stop9h 07m

$523
Quickest round-trip

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Wed 11/18

8:32 am-12:42 pm

1 stop6h 10m

Ontario

Sun 11/22

6:46 am-5:53 pm

1 stop9h 07m

$529

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Sat 8/29

12:28 pm-8:01 pm

2 stops9h 33m

Ontario

Sat 9/5

5:00 am-11:18 pm

2 stops16h 18m

$532

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Mon 8/24

5:00 pm-12:50 pm

2 stops21h 50m

Ontario

Sat 8/29

11:00 am-11:18 pm

2 stops10h 18m

$532

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Wed 8/26

9:10 am-8:01 pm

2 stops12h 51m

Ontario

Sun 8/30

7:13 pm-11:53 am

2 stops14h 40m

$539
Cheapest one-way

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Tue 8/4

3:44 pm-10:51 pm

1 stop9h 07m

$295

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Sat 7/4

6:00 am-12:10 pm

2 stops8h 10m

$354

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Sat 8/8

6:20 am-3:29 pm

2 stops11h 09m

$355
Quickest one-way

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Fri 8/7

5:29 pm-10:51 pm

1 stop7h 22m

$380

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/24

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Compare providers for flights from Appleton to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Appleton to Ontario in June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Appleton-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Appleton-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Appleton-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Appleton-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Appleton-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Appleton to Ontario

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

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

Currently, December is the cheapest month in which you can book a flight from Appleton to Ontario (average of $319). Flying from Appleton to Ontario in March is currently the most expensive (average of $4,044). 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.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated June 28, 2026.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Appleton to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,899 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.
United Airlines
7.4
Good
9,899 reviews
United Airlines
7.4
Good
9,899 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.
American Airlines
7.1
Good
11,776 reviews
United Airlines
7.4
Good
9,899 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.

Related info for your journey

Find useful and relevant information for your journey from Appleton to Ontario. 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 Appleton to Ontario?

    For as low as $449, Delta can have you in Ontario from Appleton in 7h 35m. The distance from Appleton to Ontario is about 1697 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $288, United Airlines will fly you from Appleton to Ontario and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $344. United Airlines is 66% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Appleton to Ontario (average of $319). Flying from Appleton to Ontario in March is currently the most expensive (average of $4,044). 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

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Top 2 airlines flying from Appleton to Ontario

Discover the top 2 airlines that operate flights from Appleton to Ontario. 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 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$288Average$543FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$344Average$587FlexibilityNo cancel feeOn-time71%

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