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Cheap flights from Ontario to Appleton from $162

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Appleton departing on 8/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Appleton

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:27 pm - 2:47 pm
ONT
-
ATW
20h 20m
1 stop
Multiple Airlines Logo
7:00 am - 4:10 pm
ATW
-
ONT
11h 10m
1 stop
$341Multiple Airlines
Wed, Nov 4 - Mon, Nov 9
American Airlines Logo
12:59 pm - 12:10 am
ONT
-
ATW
9h 11m
2 stops
American Airlines Logo
6:02 am - 1:31 pm
ATW
-
ONT
9h 29m
1 stop
$354American Airlines
Tue, Aug 18 - Thu, Aug 27
Delta Logo
7:05 am - 9:37 pm
ONT
-
ATW
12h 32m
2 stops
Delta Logo
5:31 am - 10:42 am
ATW
-
ONT
7h 11m
1 stop
$389Delta
Sat, Aug 15 - Sat, Aug 22
American Airlines Logo
12:59 pm - 12:10 am
ONT
-
ATW
9h 11m
2 stops
American Airlines Logo
12:36 pm - 6:47 pm
ATW
-
ONT
8h 11m
1 stop
$394American Airlines
Tue, Aug 18 - Thu, Aug 27
Multiple Airlines Logo
4:09 pm - 3:17 pm
ONT
-
ATW
21h 08m
1 stop
Multiple Airlines Logo
4:17 pm - 10:04 am
ATW
-
ONT
19h 47m
2 stops
$397Multiple Airlines
Thu, Aug 13 - Thu, Aug 20
Delta Logo
6:01 pm - 10:20 am
ONT
-
ATW
14h 19m
2 stops
Delta Logo
11:09 am - 9:52 pm
ATW
-
ONT
12h 43m
2 stops
$399Delta
Tue, Aug 18 - Thu, Aug 27
Delta Logo
12:18 pm - 9:59 pm
ONT
-
ATW
7h 41m
1 stop
Delta Logo
5:35 am - 11:08 am
ATW
-
ONT
7h 33m
1 stop
$424Delta
Sat, Oct 10 - Thu, Oct 29
United Airlines Logo
1:18 pm - 8:54 pm
ONT
-
ATW
5h 36m
1 stop
United Airlines Logo
5:00 pm - 10:35 pm
ATW
-
ONT
7h 35m
1 stop
$429United Airlines
Sat, Aug 15 - Sat, Aug 22
Delta Logo
12:00 pm - 10:44 pm
ONT
-
ATW
8h 44m
1 stop
Delta Logo
5:31 am - 10:42 am
ATW
-
ONT
7h 11m
1 stop
$434Delta
Sat, Aug 8 - Sat, Aug 15
Delta Logo
12:00 pm - 10:44 pm
ONT
-
ATW
8h 44m
1 stop
Delta Logo
5:31 am - 10:42 am
ATW
-
ONT
7h 11m
1 stop
$438Delta
Mon, Aug 17 - Wed, Aug 26

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Delta flights from Ontario to Appleton

Our best Delta deals on Ontario to Appleton flight tickets
Delta
Aug 15
ONT7:05 amOntario
12h 32m
2 stops
ATW9:37 pmAppleton Intl
Aug 22
ATW5:31 amAppleton Intl
7h 11m
1 stop
ONT10:42 amOntario
$389
Delta
Aug 18
ONT6:01 pmOntario
14h 19m
2 stops
ATW10:20 amAppleton Intl
Aug 27
ATW11:09 amAppleton Intl
12h 43m
2 stops
ONT9:52 pmOntario
$399
Delta
Oct 10
ONT12:18 pmOntario
7h 41m
1 stop
ATW9:59 pmAppleton Intl
Oct 27
ATW5:35 amAppleton Intl
7h 33m
1 stop
ONT11:08 amOntario
$424

United Airlines flights from Ontario to Appleton

Our best United Airlines deals on Ontario to Appleton flight tickets
United Airlines
Aug 15
ONT1:18 pmOntario
5h 36m
1 stop
ATW8:54 pmAppleton Intl
Aug 22
ATW5:00 pmAppleton Intl
7h 35m
1 stop
ONT10:35 pmOntario
$429
United Airlines
Aug 25
ONT1:18 pmOntario
5h 36m
1 stop
ATW8:54 pmAppleton Intl
Aug 29
ATW8:45 amAppleton Intl
6h 05m
1 stop
ONT12:50 pmOntario
$449
United Airlines
Aug 25
ONT1:18 pmOntario
5h 36m
1 stop
ATW8:54 pmAppleton Intl
Aug 29
ATW7:30 amAppleton Intl
12h 42m
2 stops
ONT6:12 pmOntario
$454

momondo 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, momondo users made 832,500 searches. Data last updated July 17, 2026.
Use the filters below to find and compare flights from Ontario to Appleton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Wed 11/4

4:27 pm-2:47 pm

1 stop20h 20m

Appleton Intl

Mon 11/9

7:00 am-4:10 pm

1 stop11h 10m

$341

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Tue 8/18

12:59 pm-12:10 am

2 stops9h 11m

Appleton Intl

Thu 8/27

6:02 am-1:31 pm

1 stop9h 29m

$354

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Sat 8/15

7:05 am-9:37 pm

2 stops12h 32m

Appleton Intl

Sat 8/22

5:31 am-10:42 am

1 stop7h 11m

$389

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Tue 8/18

12:59 pm-12:10 am

2 stops9h 11m

Appleton Intl

Thu 8/27

12:36 pm-6:47 pm

1 stop8h 11m

$394

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Thu 8/13

4:09 pm-3:17 pm

1 stop21h 08m

Appleton Intl

Thu 8/20

4:17 pm-10:04 am

2 stops19h 47m

$397

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Tue 8/18

6:01 pm-10:20 am

2 stops14h 19m

Appleton Intl

Thu 8/27

11:09 am-9:52 pm

2 stops12h 43m

$399

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Sat 10/10

12:18 pm-9:59 pm

1 stop7h 41m

Appleton Intl

Thu 10/29

5:35 am-11:08 am

1 stop7h 33m

$424
Quickest round-trip

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Sat 8/15

1:18 pm-8:54 pm

1 stop5h 36m

Appleton Intl

Sat 8/22

5:00 pm-10:35 pm

1 stop7h 35m

$429

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Sat 8/8

12:00 pm-10:44 pm

1 stop8h 44m

Appleton Intl

Sat 8/15

5:31 am-10:42 am

1 stop7h 11m

$434

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Mon 8/17

12:00 pm-10:44 pm

1 stop8h 44m

Appleton Intl

Wed 8/26

5:31 am-10:42 am

1 stop7h 11m

$438

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Ontario to Appleton

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Appleton?

The month of December is, on average, the cheapest month to fly to Appleton from Ontario, with most prices found around $0. If you aren’t able to travel to Appleton during the month of December, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $0.

When to book flights from Ontario to Appleton

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Appleton according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Appleton (ONT to ATW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Appleton

Fastest flight time

5h 30m

Direct flights

None
The fastest flight from Ontario to Appleton takes 5h 30m
There are no direct flights from Ontario to Appleton. There are no popular flight routes from Ontario to Appleton.
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Frequently asked questions about flying from Ontario to Appleton

  • How far is Ontario to Appleton Intl by plane?

    There are 1704.3 mi between Ontario and Appleton Intl. Typically, this will take 5h 30m by plane in normal conditions.

  • When did momondo last update prices for flights from Ontario Airport to Appleton Intl Airport?

    Prices for flights from Ontario Airport to Appleton Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ontario Airport to Appleton Intl Airport?

  • How old do you have to be to fly from Ontario Airport to Appleton Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Appleton Intl Airport.

  • What documentation or ID do you need to fly to Appleton Intl Airport?

    The required travel and health documents for your Appleton Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Appleton Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Ontario to Appleton?

Best airlines flying from Ontario to Appleton

Compare and see reviews for airlines that fly from Ontario to Appleton with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $366Free CancellationRating
7.4
9,997 reviews
Search United Airlines flights

Traveling to a place near Appleton?

Book flights to Appleton if you plan to visit one of these locations
Oshkosh
Fond du Lac
Neenah
Waupaca
Elkhart Lake
Plymouth

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Appleton?

Finding the right flight to Appleton from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Appleton quick and easy, saving you time and money.

Can I find flights from Ontario to Appleton with flexible booking policies on momondo?

momondo does allow users to show only those flights to Appleton from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to Appleton?

Once you have performed a search for Ontario to Appleton flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ontario to Appleton right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Appleton flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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