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Cheap flights from Ontario to Appleton from $248

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 7/15. 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
0 bags

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Find the cheapest flights from Ontario to Appleton

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:00 pm - 9:58 pm
ONT
-
ATW
7h 58m
1 stop
Delta Logo
5:29 am - 11:27 am
ATW
-
ONT
7h 58m
1 stop
$349Delta
Mon, Oct 26 - Sat, Oct 31
Delta Logo
6:00 am - 4:41 pm
ONT
-
ATW
8h 41m
2 stops
Delta Logo
5:29 am - 11:27 am
ATW
-
ONT
7h 58m
1 stop
$354Delta
Tue, Oct 27 - Sat, Oct 31
American Airlines Logo
7:20 am - 11:08 pm
ONT
-
ATW
13h 48m
2 stops
American Airlines Logo
3:43 pm - 11:57 pm
ATW
-
ONT
10h 14m
2 stops
$359American Airlines
Tue, Oct 27 - Tue, Nov 3
Delta Logo
12:00 pm - 9:57 pm
ONT
-
ATW
7h 57m
1 stop
Delta Logo
5:29 am - 11:04 am
ATW
-
ONT
7h 35m
1 stop
$369Delta
Tue, Sep 22 - Tue, Sep 29
Delta Logo
12:00 pm - 9:57 pm
ONT
-
ATW
7h 57m
1 stop
Delta Logo
7:00 am - 4:14 pm
ATW
-
ONT
11h 14m
2 stops
$374Delta
Thu, Sep 24 - Mon, Sep 28
Delta Logo
10:59 pm - 12:46 pm
ONT
-
ATW
11h 47m
2 stops
Delta Logo
10:55 am - 9:56 pm
ATW
-
ONT
13h 01m
2 stops
$379Delta
Thu, Sep 24 - Mon, Sep 28
Multiple Airlines Logo
4:27 pm - 7:24 pm
ONT
-
ATW
24h 57m
1 stop
Multiple Airlines Logo
5:29 pm - 12:02 pm
ATW
-
ONT
20h 33m
2 stops
$384Multiple Airlines
Tue, Oct 27 - Mon, Nov 2
Multiple Airlines Logo
9:49 pm - 3:20 pm
ONT
-
ATW
15h 31m
1 stop
Multiple Airlines Logo
8:30 am - 4:10 pm
ATW
-
ONT
33h 40m
2 stops
$387Multiple Airlines
Wed, Sep 23 - Tue, Sep 29
Delta Logo
12:00 pm - 9:58 pm
ONT
-
ATW
7h 58m
1 stop
Delta Logo
5:29 am - 11:27 am
ATW
-
ONT
7h 58m
1 stop
$394Delta
Mon, Oct 26 - Sat, Oct 31
Delta Logo
6:00 am - 4:41 pm
ONT
-
ATW
8h 41m
2 stops
Delta Logo
5:29 am - 11:27 am
ATW
-
ONT
7h 58m
1 stop
$399Delta
Tue, Oct 27 - Sat, Oct 31

American Airlines flights from Ontario to Appleton

Our best American Airlines deals on Ontario to Appleton flight tickets
American Airlines
Oct 27
ONT7:20 amOntario
13h 48m
2 stops
ATW11:08 pmAppleton Intl
Nov 3
ATW3:43 pmAppleton Intl
10h 14m
2 stops
ONT11:57 pmOntario
$359
American Airlines
Jun 5
ONT11:59 pmOntario
8h 46m
2 stops
ATW10:45 amAppleton Intl
Jun 6
ATW1:56 pmAppleton Intl
10h 40m
1 stop
ONT10:36 pmOntario
$419
American Airlines
Jun 5
ONT11:59 pmOntario
8h 46m
2 stops
ATW10:45 amAppleton Intl
Jun 6
ATW2:36 pmAppleton Intl
11h 23m
2 stops
ONT11:59 pmOntario
$424

Delta flights from Ontario to Appleton

Our best Delta deals on Ontario to Appleton flight tickets
Delta
Oct 26
ONT12:00 pmOntario
7h 58m
1 stop
ATW9:58 pmAppleton Intl
Oct 31
ATW5:29 amAppleton Intl
7h 58m
1 stop
ONT11:27 amOntario
$349
Delta
Oct 27
ONT6:00 amOntario
8h 41m
2 stops
ATW4:41 pmAppleton Intl
Oct 31
ATW5:29 amAppleton Intl
7h 58m
1 stop
ONT11:27 amOntario
$354
Delta
Sep 22
ONT12:00 pmOntario
7h 57m
1 stop
ATW9:57 pmAppleton Intl
Sep 29
ATW5:29 amAppleton Intl
7h 35m
1 stop
ONT11:04 amOntario
$369

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 May 21, 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

Mon 10/26

12:00 pm-9:58 pm

1 stop7h 58m

Appleton Intl

Sat 10/31

5:29 am-11:27 am

1 stop7h 58m

$349

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Tue 10/27

6:00 am-4:41 pm

2 stops8h 41m

Appleton Intl

Sat 10/31

5:29 am-11:27 am

1 stop7h 58m

$354

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Tue 10/27

7:20 am-11:08 pm

2 stops13h 48m

Appleton Intl

Tue 11/3

3:43 pm-11:57 pm

2 stops10h 14m

$359
Quickest round-trip

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Tue 9/22

12:00 pm-9:57 pm

1 stop7h 57m

Appleton Intl

Tue 9/29

5:29 am-11:04 am

1 stop7h 35m

$369

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Thu 9/24

12:00 pm-9:57 pm

1 stop7h 57m

Appleton Intl

Mon 9/28

7:00 am-4:14 pm

2 stops11h 14m

$374

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Thu 9/24

10:59 pm-12:46 pm

2 stops11h 47m

Appleton Intl

Mon 9/28

10:55 am-9:56 pm

2 stops13h 01m

$379

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Tue 10/27

4:27 pm-7:24 pm

1 stop24h 57m

Appleton Intl

Mon 11/2

5:29 pm-12:02 pm

2 stops20h 33m

$384

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Wed 9/23

9:49 pm-3:20 pm

1 stop15h 31m

Appleton Intl

Tue 9/29

8:30 am-4:10 pm

2 stops33h 40m

$387

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Mon 10/26

12:00 pm-9:58 pm

1 stop7h 58m

Appleton Intl

Sat 10/31

5:29 am-11:27 am

1 stop7h 58m

$394

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Tue 10/27

6:00 am-4:41 pm

2 stops8h 41m

Appleton Intl

Sat 10/31

5:29 am-11:27 am

1 stop7h 58m

$399

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Appleton from

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 typical price of a round-trip flight between Ontario and Appleton?

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.

Can stopping save me money on Ontario to Appleton flights?

You could potentially save up to 21% on your flight if you consider stops on a Ontario to Appleton flight.

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 36m

Direct flights

None
The fastest flight from Ontario to Appleton takes 5h 36m
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 36m 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
9,748 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.

An easier way to manage your Appleton trip

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