How long is the flight from Appleton to Ontario?

For as low as $309, United Airlines can have you in Ontario from Appleton in 8h 37m. 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, American Airlines will fly you from Appleton to Ontario and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $288 and $293, respectively. American Airlines is 41% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

What are the most popular airlines that fly from Appleton to Ontario?

American Airlines, United Airlines and Delta are the most popular airlines when flying from Appleton to Ontario.

What is the cheapest time of day to fly from ATW to ONT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Appleton to Ontario as you normally would.

Most accurate provider : When it comes to deals on Appleton-Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Appleton-Ontario flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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.

$233+ Flights from Appleton to Ontario

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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 December 30, 2025.

Tue 12/305:23 pmATW - ONT

1 stop7h 02mUnited Airlines

Fri 1/26:10 amONT - ATW

2 stops13h 27mUnited Airlines

Deal found 12/29

$905

Wed 12/319:51 amATW - ONT

2 stops10h 37mAmerican Airlines

Fri 1/27:18 pmONT - ATW

2 stops12h 03mAmerican Airlines

Deal found 12/27

$931

Sun 12/286:15 amATW - ONT

2 stops8h 23mUnited Airlines

Fri 1/25:05 amONT - ATW

2 stops9h 43mUnited Airlines

Deal found 12/28

$979

Best flights from Appleton to Ontario
Discover carefully curated flight deals from Appleton to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 30, 2025.

Sat 5/23:49 pmATW - ONT

1 stop8h 37mUnited Airlines

Thu 5/77:00 amONT - ATW

1 stop7h 50mUnited Airlines

Deal found 12/28

$309

Wed 4/14:24 pmATW - ONT

2 stops9h 26mDelta

Tue 4/710:25 pmONT - ATW

2 stops10h 07mDelta

Deal found 12/27

$319

Tue 5/125:35 pmATW - ONT

1 stop6h 51mUnited Airlines

Sat 5/167:00 amONT - ATW

1 stop7h 50mUnited Airlines

Deal found 12/28

$309

Sat 1/245:20 amATW - ONT

1 stop8h 11mDelta

Fri 1/3012:41 pmONT - ATW

1 stop7h 05mDelta

Deal found 12/28

$354

Sat 5/235:35 pmATW - ONT

1 stop6h 51mUnited Airlines

Mon 5/257:00 amONT - ATW

1 stop6h 10mUnited Airlines

Deal found 12/28

$366

Fri 5/81:10 pmATW - ONT

2 stops10h 40mUnited Airlines

Sat 6/65:00 amONT - ATW

2 stops12h 16mUnited Airlines

Deal found 12/28

$367

Wed 1/1412:35 pmATW - ONT

2 stops12h 18mUnited Airlines

Sun 1/185:05 amONT - ATW

2 stops9h 43mUnited Airlines

Deal found 12/30

$393

Mon 6/15:35 pmATW - ONT

1 stop6h 51mUnited Airlines

Sat 6/67:00 amONT - ATW

1 stop7h 50mUnited Airlines

Deal found 12/28

$399

Sat 5/25:35 pmATW - ONT

1 stop6h 51mUnited Airlines

Sun 5/107:00 amONT - ATW

1 stop7h 50mUnited Airlines

Deal found 12/29

$399

Tue 2/312:35 pmATW - ONT

2 stops12h 18mUnited Airlines

Tue 2/101:24 pmONT - ATW

1 stop5h 26mUnited Airlines

Deal found 12/27

$404

Mon 2/212:35 pmATW - ONT

2 stops11h 23mUnited Airlines

Sat 2/71:24 pmONT - ATW

1 stop5h 26mUnited Airlines

Deal found 12/29

$404

Last-minute flights from Appleton to Ontario
Discover last-minute flight deals from Appleton to Ontario. Data last updated December 30, 2025 and is based on user searches.

Tue 1/204:20 pmATW - ONT

2 stops9h 38mDelta

Tue 1/2712:41 pmONT - ATW

1 stop7h 05mDelta

Deal found 12/28

$314

Wed 1/215:20 amATW - ONT

1 stop8h 11mDelta

Mon 1/2612:41 pmONT - ATW

1 stop7h 05mDelta

Deal found 12/28

$309

Mon 1/264:20 pmATW - ONT

2 stops9h 38mDelta

Tue 2/312:41 pmONT - ATW

1 stop7h 05mDelta

Deal found 12/28

$339

Mon 1/264:20 pmATW - ONT

2 stops9h 38mDelta

Wed 2/47:30 amONT - ATW

2 stops11h 59mDelta

Deal found 12/28

$344

Mon 1/264:20 pmATW - ONT

2 stops9h 38mDelta

Sat 1/3112:41 pmONT - ATW

1 stop7h 05mDelta

Deal found 12/28

$379

Tue 1/276:45 amATW - ONT

2 stops11h 30mDelta

Wed 2/47:30 amONT - ATW

2 stops11h 59mDelta

Deal found 12/28

$319

Tue 1/275:20 amATW - ONT

1 stop8h 11mDelta

Sat 1/3112:41 pmONT - ATW

1 stop7h 05mDelta

Deal found 12/28

$349

Thu 1/295:20 amATW - ONT

1 stop8h 11mDelta

Wed 2/412:41 pmONT - ATW

1 stop7h 05mDelta

Deal found 12/28

$364

Fri 1/305:20 amATW - ONT

1 stop8h 11mDelta

Sat 1/3112:41 pmONT - ATW

1 stop7h 05mDelta

Deal found 12/28

$404

Sat 1/3111:03 amATW - ONT

2 stops12h 02mDelta

Wed 2/412:41 pmONT - ATW

1 stop7h 05mDelta

Deal found 12/28

$354

One-way flights from Appleton to Ontario
Search for one-way flight options from Appleton to Ontario. Find affordable one-way fares based on user searches. Data last updated December 30, 2025.

Tue 1/204:20 pmATW - ONT

2 stops9h 38mDelta

Deal found 12/29

$233

Mon 5/255:35 pmATW - ONT

1 stop6h 51mUnited Airlines

Deal found 12/29

$269

Sun 1/185:20 amATW - ONT

1 stop8h 11mDelta

Deal found 12/29

$279

Mon 5/254:05 pmATW - ONT

2 stops9h 39mDelta

Deal found 12/29

$283

Sun 3/82:39 pmATW - ONT

1 stop9h 46mUnited Airlines

Deal found 12/28

$293

Sun 3/155:23 pmATW - ONT

1 stop7h 02mUnited Airlines

Deal found 12/28

$314

Sun 1/47:00 amATW - ONT

1 stop12h 42mMultiple Airlines

Deal found 12/29

$371

Mon 5/255:05 pmATW - ONT

3 stops32h 53mMultiple Airlines

Deal found 12/29

$410

Fri 4/1012:34 pmATW - ONT

2 stops11h 16mUnited Airlines

Deal found 12/27

$414

Sat 1/36:07 amATW - ONT

1 stop7h 49mAmerican Airlines

Deal found 12/28

$431

Sat 1/31:00 pmATW - ONT

2 stops10h 07mUnited Airlines

Deal found 12/28

$436

Find flight deals from Appleton to Ontario

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$309 (Delta)
One-way from	$233 (Delta)
Popular in	March
Cheapest in	December
Average price	$319

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. 19% potential increase in price ($116 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($27 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Sat 5/2

3:49 pm-10:26 pm

1 stop8h 37m

Ontario

Thu 5/7

7:00 am-4:50 pm

1 stop7h 50m

$309

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Tue 5/12

5:35 pm-10:26 pm

1 stop6h 51m

Ontario

Sat 5/16

7:00 am-4:50 pm

1 stop7h 50m

$309

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Wed 4/1

4:24 pm-11:50 pm

2 stops9h 26m

Ontario

Tue 4/7

10:25 pm-10:32 am

2 stops10h 07m

$319

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Sat 1/24

5:20 am-11:31 am

1 stop8h 11m

Ontario

Fri 1/30

12:41 pm-9:46 pm

1 stop7h 05m

$354

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Sat 5/23

5:35 pm-10:26 pm

1 stop6h 51m

Ontario

Mon 5/25

7:00 am-3:10 pm

1 stop6h 10m

$366

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Fri 5/8

1:10 pm-9:50 pm

2 stops10h 40m

Ontario

Sat 6/6

5:00 am-7:16 pm

2 stops12h 16m

$367

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Wed 1/14

12:35 pm-10:53 pm

2 stops12h 18m

Ontario

Sun 1/18

5:05 am-4:48 pm

2 stops9h 43m

$393

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Mon 6/1

5:35 pm-10:26 pm

1 stop6h 51m

Ontario

Sat 6/6

7:00 am-4:50 pm

1 stop7h 50m

$399

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Sat 5/2

5:35 pm-10:26 pm

1 stop6h 51m

Ontario

Sun 5/10

7:00 am-4:50 pm

1 stop7h 50m

$399

AppletonOntario

ATW - ONT

ATWONT

Appleton Intl

Tue 2/3

12:35 pm-10:53 pm

2 stops12h 18m

Ontario

Tue 2/10

1:24 pm-8:50 pm

1 stop5h 26m

$404

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/29

Showing 1-10 of 19 results

Compare providers for flights from Appleton to Ontario

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Appleton to Ontario in December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Appleton-Ontario flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, July is the cheapest month in which you can book a flight from Appleton to Ontario (average of $60). Flying from Appleton to Ontario in March is currently the most expensive (average of $284). 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

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

7.9

Good

8,017 reviews

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

7.9

Good

8,017 reviews

Delta

7.9

Good

8,017 reviews

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

9,121 reviews

Delta

7.9

Good

8,017 reviews

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

11,073 reviews

Delta

7.9

Good

8,017 reviews

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

How long is the flight from Appleton to Ontario?
For as low as $309, United Airlines can have you in Ontario from Appleton in 8h 37m. 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, American Airlines will fly you from Appleton to Ontario and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $288 and $293, respectively. American Airlines is 41% 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, July is the cheapest month in which you can book a flight from Appleton to Ontario (average of $60). Flying from Appleton to Ontario in March is currently the most expensive (average of $284). 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

Browse thousands of different options on Cheapflights for your next trip

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Other flights to Ontario

Top 3 airlines flying from Appleton to Ontario

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$288	Average$491	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$288	Average$500	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$293	Average$344	FlexibilityNo cancel fee	On-timeN/A

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$233+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Appleton to Ontario with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Appleton to Ontario

Cheapest flights from Appleton to OntarioExplore 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 December 30, 2025.

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 December 30, 2025.

Find flight deals from Appleton to Ontario

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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 December.

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.

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?

Reviews of airlines servicing Ontario

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.

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?

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

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

How can I find direct flights from Appleton to Ontario?

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

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

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 Appleton to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Appleton to Ontario

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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 December 30, 2025.