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$254+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — ONT
oct. 15 — oct. 221
mer. 10/15
mer. 10/22
1 adult, Economy
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Cheap 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 septembre 15, 2025.

Round-trip from

$289
(United Airlines)

One-way from

$254
(United Airlines)

Popular in

March

Cheapest in

May

Average price

$541
From Appleton Intl to Ontario
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One-way flight from Appleton Intl to Ontario
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Highest demand for flights based on searches. 18% potential increase in price ($111 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 septembre 15, 2025.

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.
sam. 11/152:32 pmATW - ONT
1 stop9h 59mUnited Airlines
sam. 1/177:00 amONT - ATW
1 stop7h 48mUnited Airlines
Deal found 9/14$289
This American Airlines deal was found by Cheapflights users on 9/13. 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.
sam. 11/156:53 amATW - ONT
2 stops11h 08mAmerican Airlines
sam. 1/176:41 amONT - ATW
2 stops12h 22mAmerican Airlines
Deal found 9/13$299
This American Airlines deal was found by Cheapflights users on 9/13. 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.
mer. 11/196:16 amATW - ONT
1 stop7h 38mAmerican Airlines
dim. 11/2312:55 pmONT - ATW
2 stops8h 38mAmerican Airlines
Deal found 9/13$344
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.
mar. 9/308:20 amATW - ONT
2 stops8h 42mUnited Airlines
sam. 10/45:05 amONT - ATW
2 stops9h 44mUnited Airlines
Deal found 9/15$349
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.
sam. 11/13:42 pmATW - ONT
1 stop8h 49mUnited Airlines
mar. 11/47:00 amONT - ATW
1 stop7h 42mUnited Airlines
Deal found 9/14$379
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.
ven. 11/75:21 pmATW - ONT
1 stop7h 10mUnited Airlines
dim. 11/167:00 amONT - ATW
1 stop7h 42mUnited Airlines
Deal found 9/15$404
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/246:00 amATW - ONT
2 stops9h 54mAmerican Airlines
dim. 9/287:16 pmONT - ATW
2 stops11h 50mAmerican Airlines
Deal found 9/15$429
This United Airlines deal was found by Cheapflights users on 9/12. 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.
sam. 9/2712:37 pmATW - ONT
2 stops9h 47mUnited Airlines
mar. 9/301:15 pmONT - ATW
1 stop5h 41mUnited Airlines
Deal found 9/12$434
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 9/212:45 pmATW - ONT
1 stop8h 53mMultiple Airlines
dim. 9/288:07 amONT - ATW
1 stop13h 10mMultiple Airlines
Deal found 9/14$435

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 septembre 15, 2025.
Use the filters below to find and compare flights from Appleton to Ontario that are best for you.

Fly from

Appleton

Fly to

Ontario

Route

Depart

Return

Price

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

sam. 11/15

2:32 pm-10:31 pm

1 stop9h 59m

Ontario

sam. 1/17

7:00 am-4:48 pm

1 stop7h 48m

$289

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

mar. 9/30

8:20 am-3:02 pm

2 stops8h 42m

Ontario

sam. 10/4

5:05 am-4:49 pm

2 stops9h 44m

$349

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

sam. 11/1

3:42 pm-10:31 pm

1 stop8h 49m

Ontario

mar. 11/4

7:00 am-4:42 pm

1 stop7h 42m

$379

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

ven. 11/7

5:21 pm-10:31 pm

1 stop7h 10m

Ontario

dim. 11/16

7:00 am-4:42 pm

1 stop7h 42m

$404

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

sam. 9/27

12:37 pm-10:52 pm

2 stops12h 15m

Ontario

mar. 9/30

6:00 am-4:49 pm

2 stops8h 49m

$439

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

jeu. 9/25

2:45 pm-7:17 am

2 stops18h 32m

Ontario

dim. 9/28

8:07 am-11:17 pm

1 stop13h 10m

$441

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

mer. 11/19

6:06 am-4:01 pm

2 stops11h 55m

Ontario

dim. 11/23

12:49 pm-11:33 pm

2 stops8h 44m

$443

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

mer. 10/15

2:45 pm-10:30 pm

1 stop9h 45m

Ontario

lun. 10/20

6:27 pm-12:01 pm

2 stops15h 34m

$454

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

mer. 11/12

2:32 pm-10:31 pm

1 stop9h 59m

$254

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

sam. 11/15

9:39 am-6:20 pm

2 stops10h 41m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 17 results
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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, August is the cheapest month in which you can book a flight from Appleton to Ontario (average of $246). Flying from Appleton to Ontario in March is currently the most expensive (average of $328). 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 septembre 15, 2025.
Peruse reviews from past customers who have flown with Delta, 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.
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 $289, United Airlines can have you in Ontario from Appleton in 9h 59m. The distance from Appleton to Ontario is about 1697 mi.

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

    Currently priced at $288, Delta will fly you from Appleton to Ontario and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $288 and $304, respectively. Delta is 42% 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, August is the cheapest month in which you can book a flight from Appleton to Ontario (average of $246). Flying from Appleton to Ontario in March is currently the most expensive (average of $328). 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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Alternative routes for Appleton to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Appleton to Ontario

Discover the top 3 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 septembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$288Average$344FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$500FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$304Average$483FlexibilityNo cancel feeOn-time69%

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