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Cheap flights from Ontario to Madison from $86

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 Madison departing on 5/24. 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 Madison

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:00 am - 7:14 pm
ONT
-
MSN
11h 14m
1 stop
Frontier Logo
7:59 pm - 11:49 pm
MSN
-
ONT
5h 50m
1 stop
$185Frontier
Sun, May 24 - Sat, May 30
Frontier Logo
6:00 am - 7:09 pm
ONT
-
MSN
11h 09m
1 stop
Frontier Logo
7:59 pm - 11:50 pm
MSN
-
ONT
5h 51m
1 stop
$230Frontier
Tue, Jun 23 - Tue, Jul 7
Frontier Logo
6:00 am - 7:10 pm
ONT
-
MSN
11h 10m
1 stop
Frontier Logo
7:59 pm - 10:03 am
MSN
-
ONT
16h 04m
1 stop
$240Frontier
Tue, Jul 7 - Sun, Jul 12
Frontier Logo
10:50 am - 7:09 pm
ONT
-
MSN
6h 19m
1 stop
Frontier Logo
7:59 pm - 11:49 pm
MSN
-
ONT
5h 50m
1 stop
$250Frontier
Thu, Sep 3 - Tue, Sep 8
Frontier Logo
6:00 am - 7:14 pm
ONT
-
MSN
11h 14m
1 stop
Frontier Logo
7:59 pm - 10:05 am
MSN
-
ONT
16h 06m
1 stop
$261Frontier
Thu, May 28 - Sun, May 31
Frontier Logo
6:00 am - 7:14 pm
ONT
-
MSN
11h 14m
1 stop
Frontier Logo
7:59 pm - 11:49 pm
MSN
-
ONT
5h 50m
1 stop
$266Frontier
Sun, May 17 - Thu, May 21
Frontier Logo
10:49 am - 7:10 pm
ONT
-
MSN
6h 21m
1 stop
Frontier Logo
7:59 pm - 11:50 pm
MSN
-
ONT
5h 51m
1 stop
$270Frontier
Thu, Jul 9 - Sun, Jul 12
United Airlines Logo
7:00 am - 2:53 pm
ONT
-
MSN
5h 53m
1 stop
United Airlines Logo
10:49 am - 6:19 pm
MSN
-
ONT
9h 30m
1 stop
$291United Airlines
Tue, Sep 1 - Sat, Sep 5
Delta Logo
12:00 pm - 10:35 pm
ONT
-
MSN
8h 35m
1 stop
Delta Logo
9:00 am - 4:14 pm
MSN
-
ONT
9h 14m
2 stops
$296Delta
Tue, Sep 1 - Sat, Sep 5
Delta Logo
10:00 pm - 2:04 pm
ONT
-
MSN
14h 04m
2 stops
Delta Logo
6:16 pm - 11:34 pm
MSN
-
ONT
7h 18m
2 stops
$301Delta
Wed, Jul 29 - Tue, Aug 4

American Airlines flights from Ontario to Madison

Our best American Airlines deals on Ontario to Madison flight tickets
American Airlines
Jul 4
ONT6:10 amOntario
5h 45m
1 stop
MSN1:55 pmMadison Truax Field
Jul 11
MSN8:00 amMadison Truax Field
6h 03m
1 stop
ONT12:03 pmOntario
$331
American Airlines
May 29
ONT12:40 pmOntario
8h 26m
1 stop
MSN11:06 pmMadison Truax Field
May 30
MSN5:11 pmMadison Truax Field
8h 48m
1 stop
ONT11:59 pmOntario
$340
American Airlines
May 29
ONT1:10 pmOntario
8h 45m
2 stops
MSN11:55 pmMadison Truax Field
May 30
MSN5:00 amMadison Truax Field
9h 05m
2 stops
ONT12:05 pmOntario
$350

Frontier flights from Ontario to Madison

Our best Frontier deals on Ontario to Madison flight tickets
Frontier
May 24
ONT6:00 amOntario
11h 14m
1 stop
MSN7:14 pmMadison Truax Field
May 30
MSN7:59 pmMadison Truax Field
5h 50m
1 stop
ONT11:49 pmOntario
$185
Frontier
Jun 23
ONT6:00 amOntario
11h 09m
1 stop
MSN7:09 pmMadison Truax Field
Jul 7
MSN7:59 pmMadison Truax Field
5h 51m
1 stop
ONT11:50 pmOntario
$230
Frontier
Jul 7
ONT6:00 amOntario
11h 10m
1 stop
MSN7:10 pmMadison Truax Field
Jul 12
MSN7:59 pmMadison Truax Field
16h 04m
1 stop
ONT10:03 amOntario
$240

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Madison 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 7, 2026.
Use the filters below to find and compare flights from Ontario to Madison that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Sun 5/24

6:00 am-7:14 pm

1 stop11h 14m

Madison Truax Field

Sat 5/30

7:59 pm-11:49 pm

1 stop5h 50m

$185

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Tue 6/23

6:00 am-7:09 pm

1 stop11h 09m

Madison Truax Field

Tue 7/7

7:59 pm-11:50 pm

1 stop5h 51m

$230

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Tue 7/7

6:00 am-7:10 pm

1 stop11h 10m

Madison Truax Field

Sun 7/12

7:59 pm-10:03 am

1 stop16h 04m

$240
Quickest round-trip

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Thu 9/3

10:50 am-7:09 pm

1 stop6h 19m

Madison Truax Field

Tue 9/8

7:59 pm-11:49 pm

1 stop5h 50m

$250

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Thu 5/28

6:00 am-7:14 pm

1 stop11h 14m

Madison Truax Field

Sun 5/31

7:59 pm-10:05 am

1 stop16h 06m

$261

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Sun 5/17

6:00 am-7:14 pm

1 stop11h 14m

Madison Truax Field

Thu 5/21

7:59 pm-11:49 pm

1 stop5h 50m

$266

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Thu 7/9

10:49 am-7:10 pm

1 stop6h 21m

Madison Truax Field

Sun 7/12

7:59 pm-11:50 pm

1 stop5h 51m

$270

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Tue 9/1

7:00 am-2:53 pm

1 stop5h 53m

Madison Truax Field

Sat 9/5

10:49 am-6:19 pm

1 stop9h 30m

$291

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Tue 9/1

12:00 pm-10:35 pm

1 stop8h 35m

Madison Truax Field

Sat 9/5

9:00 am-4:14 pm

2 stops9h 14m

$296

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Wed 7/29

10:00 pm-2:04 pm

2 stops14h 04m

Madison Truax Field

Tue 8/4

6:16 pm-11:34 pm

2 stops7h 18m

$301

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 Madison from

How to get the cheapest flight ticket from Ontario to Madison

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 Madison?

What is the cheapest month to fly to Madison?

The month of December is, on average, the cheapest month to fly to Madison from Ontario, with most prices found around $0. If you’re not able to fly to Madison in December, then January is your next best option. Flight prices from Ontario to Madison during January average around $278.

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

The cheapest day to depart from Ontario to Madison is on a Saturday when prices can be found for as low as $222. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Madison on Friday is $328.

How have Ontario to Madison flight prices changed over time?

When to book flights from Ontario to Madison

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

Cheap Ontario to Madison (ONT to MSN) flight deals and tips

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

Fastest flight time

5h 47m

Direct flights

None
The fastest flight from Ontario to Madison takes 5h 47m
There are no direct flights from Ontario to Madison. There are no popular flight routes from Ontario to Madison.
Search flight deals

Frequently asked questions about flying from Ontario to Madison

  • How far is Ontario to Madison Truax Field by plane?

    The straight-line distance from Ontario to Madison Truax Field is 1637.1 mi. Flights usually cover this in 5h 47m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Ontario Airport to Madison Truax Field Airport?

    Prices for flights from Ontario Airport to Madison Truax Field Airport are updated daily.

  • How many operators does momondo search for flights from Ontario Airport to Madison Truax Field Airport?

  • How old do you have to be to fly from Ontario Airport to Madison Truax Field Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Madison Truax Field Airport.

  • What documentation or ID do you need to fly to Madison Truax Field Airport?

    The travel and health documents you'll need for your trip to Madison Truax Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Madison Truax Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Ontario to Madison

Compare and see reviews for airlines that fly from Ontario to Madison with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $288Free CancellationRating
7.1
11,669 reviews
Search American Airlines flights
United AirlinesPriceFrom $313Free CancellationRating
7.4
9,690 reviews
Search United Airlines flights

Traveling to a place near Madison?

Book flights to Madison if you plan to visit one of these locations
Wisconsin Dells
Baraboo
Sun Prairie
Middleton
Fitchburg
Portage
Windsor
Cambridge
Oxford
Evansville

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Madison from Ontario.

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

Yes. momondo allows you to filter the results for Ontario to Madison flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Madison from Ontario.

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

If you are not ready to book a flight from Ontario to Madison now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Madison and let you know when they change.

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