What is the cheapest airline that flies from Ontario to Appleton Intl?

Delta is the most popular carrier operating from Ontario to Appleton Intl

What airlines fly to Appleton?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Appleton from Ontario according to our data. American Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Appleton. Keep in mind that there are 7 different airlines that fly to Appleton on a routine basis, so you have a few additional options to choose from.

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?

As of December 2025, there is 1 operator available to choose from 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.

$195 Cheap Flights from Ontario to Appleton in 2025/26

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Find the cheapest flights from Ontario to Appleton

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:41 pm - 9:47 pm

ONT

ATW

7h 06m1 stop

4:20 pm - 11:58 pm

ATW

ONT

9h 38m2 stops

$314Delta

Fri, Jan 16 - Tue, Jan 20

12:00 pm - 9:58 pm

ONT

ATW

7h 58m1 stop

4:05 pm - 11:44 pm

ATW

ONT

9h 39m2 stops

$354Delta

Sat, May 23 - Wed, May 27

12:00 pm - 9:58 pm

ONT

ATW

7h 58m1 stop

5:29 am - 11:20 am

ATW

ONT

7h 51m1 stop

$364Delta

Tue, May 19 - Sun, May 24

12:00 pm - 9:58 pm

ONT

ATW

7h 58m1 stop

4:05 pm - 11:44 pm

ATW

ONT

9h 39m2 stops

$389Delta

Tue, May 19 - Tue, May 26

12:41 pm - 9:46 pm

ONT

ATW

7h 05m1 stop

5:25 am - 12:02 pm

ATW

ONT

8h 37m1 stop

$392Delta

Wed, Feb 4 - Sun, Feb 15

6:00 am - 5:43 pm

ONT

ATW

9h 43m2 stops

5:25 am - 12:02 pm

ATW

ONT

8h 37m1 stop

$397Delta

Tue, Feb 10 - Sun, Feb 15

7:00 am - 4:50 pm

ONT

ATW

7h 50m1 stop

3:49 pm - 10:26 pm

ATW

ONT

8h 37m1 stop

$399United Airlines

Sun, May 17 - Fri, May 29

6:05 am - 4:50 pm

ONT

ATW

8h 45m2 stops

5:35 pm - 10:26 pm

ATW

ONT

6h 51m1 stop

$404United Airlines

Tue, May 19 - Thu, May 28

2:00 pm - 3:33 pm

ONT

ATW

23h 33m2 stops

4:05 pm - 11:44 pm

ATW

ONT

9h 39m2 stops

$406Delta

Mon, May 18 - Wed, May 27

6:05 am - 4:50 pm

ONT

ATW

8h 45m2 stops

1:10 pm - 11:06 pm

ATW

ONT

11h 56m2 stops

$409United Airlines

Tue, May 19 - Wed, May 27

Delta flights from Ontario to Appleton

Our best Delta deals on Ontario to Appleton flight tickets

Delta

Jan 16

ONT12:41 pmOntario

7h 06m

1 stop

ATW9:47 pmAppleton Intl

Jan 20

ATW4:20 pmAppleton Intl

9h 38m

2 stops

ONT11:58 pmOntario

$314

Find similar

Delta

May 23

ONT12:00 pmOntario

7h 58m

1 stop

ATW9:58 pmAppleton Intl

May 27

ATW4:05 pmAppleton Intl

9h 39m

2 stops

ONT11:44 pmOntario

$354

Find similar

Delta

May 19

ONT12:00 pmOntario

7h 58m

1 stop

ATW9:58 pmAppleton Intl

May 24

ATW5:29 amAppleton Intl

7h 51m

1 stop

ONT11:20 amOntario

$364

Find similar

United Airlines flights from Ontario to Appleton

Our best United Airlines deals on Ontario to Appleton flight tickets

United Airlines

May 17

ONT7:00 amOntario

7h 50m

1 stop

ATW4:50 pmAppleton Intl

May 29

ATW3:49 pmAppleton Intl

8h 37m

1 stop

ONT10:26 pmOntario

$399

Find similar

United Airlines

May 19

ONT6:05 amOntario

8h 45m

2 stops

ATW4:50 pmAppleton Intl

May 28

ATW5:35 pmAppleton Intl

6h 51m

1 stop

ONT10:26 pmOntario

$404

Find similar

United Airlines

May 19

ONT6:05 amOntario

8h 45m

2 stops

ATW4:50 pmAppleton Intl

May 27

ATW1:10 pmAppleton Intl

11h 56m

2 stops

ONT11:06 pmOntario

$409

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Fri 1/16

12:41 pm-9:47 pm

1 stop7h 06m

Appleton Intl

Tue 1/20

4:20 pm-11:58 pm

2 stops9h 38m

$314

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Sat 5/23

12:00 pm-9:58 pm

1 stop7h 58m

Appleton Intl

Wed 5/27

4:05 pm-11:44 pm

2 stops9h 39m

$354

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Tue 5/19

12:00 pm-9:58 pm

1 stop7h 58m

Appleton Intl

Sun 5/24

5:29 am-11:20 am

1 stop7h 51m

$364

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Tue 5/19

12:00 pm-9:58 pm

1 stop7h 58m

Appleton Intl

Tue 5/26

4:05 pm-11:44 pm

2 stops9h 39m

$389

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Wed 2/4

12:41 pm-9:46 pm

1 stop7h 05m

Appleton Intl

Sun 2/15

5:25 am-12:02 pm

1 stop8h 37m

$392

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Tue 2/10

6:00 am-5:43 pm

2 stops9h 43m

Appleton Intl

Sun 2/15

5:25 am-12:02 pm

1 stop8h 37m

$397

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Sun 5/17

7:00 am-4:50 pm

1 stop7h 50m

Appleton Intl

Fri 5/29

3:49 pm-10:26 pm

1 stop8h 37m

$399

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Tue 5/19

6:05 am-4:50 pm

2 stops8h 45m

Appleton Intl

Thu 5/28

5:35 pm-10:26 pm

1 stop6h 51m

$404

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Mon 5/18

2:00 pm-3:33 pm

2 stops23h 33m

Appleton Intl

Wed 5/27

4:05 pm-11:44 pm

2 stops9h 39m

$406

OntarioAppleton

ONT - ATW

ONTATW

Ontario

Tue 5/19

6:05 am-4:50 pm

2 stops8h 45m

Appleton Intl

Wed 5/27

1:10 pm-11:06 pm

2 stops11h 56m

$409

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest day to depart on your flight to Appleton?

The cheapest day to depart from Ontario to Appleton is on a Tuesday when prices can be found for as low as $427. The most expensive day to fly to Appleton is Sunday, with ticket prices averaging around $562.

What is the cheapest time of day to depart on your flight to Appleton?

Our data shows that the cheapest Ontario to Appleton flights are usually those with departure times in the evening. Our users have found flights to Appleton in the evening for as low as $417. In the morning is when there is more demand to fly to Appleton, so prices are often more expensive at around $522 per ticket.

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 26m
Direct flights	None

The fastest flight from Ontario to Appleton takes 5h 26m

There are no direct flights from Ontario to Appleton. There are no popular flight routes from Ontario to Appleton.

Search flight deals

How far is Ontario to Appleton Intl by plane?
There are 1704.3 mi between Ontario and Appleton Intl. Typically, this will take 5h 26m 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?
As of December 2025, there is 1 operator available to choose from 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?
Based on momondo bookings for flights between Ontario and Appleton, the leading airline is United Airlines, making up 100% of the total bookings.

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 Airlines	PriceFrom $401	Free Cancellation	Rating 7.4 9,115 reviews		Search United Airlines flights

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.