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Cheap flights from Ontario to Madison from $122

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 4/15. 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 Madison

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
2:08 pm - 7:11 pm
ONT
-
MSN
27h 03m
1 stop
Frontier Logo
7:51 pm - 11:59 pm
MSN
-
ONT
6h 08m
1 stop
$279Frontier
Thu, Mar 5 - Mon, Mar 9
Frontier Logo
12:59 am - 1:50 pm
ONT
-
MSN
10h 51m
1 stop
Frontier Logo
2:33 pm - 11:55 pm
MSN
-
ONT
11h 22m
1 stop
$301Frontier
Wed, Apr 22 - Sun, Apr 26
American Airlines Logo
11:59 pm - 11:05 am
ONT
-
MSN
9h 06m
1 stop
American Airlines Logo
11:33 am - 8:27 pm
MSN
-
ONT
10h 54m
1 stop
$315American Airlines
Fri, May 1 - Tue, May 5
American Airlines Logo
11:59 pm - 11:05 am
ONT
-
MSN
9h 06m
1 stop
American Airlines Logo
11:33 am - 8:27 pm
MSN
-
ONT
10h 54m
1 stop
$316American Airlines
Fri, May 1 - Tue, May 5
Delta Logo
10:15 pm - 2:00 pm
ONT
-
MSN
13h 45m
2 stops
Delta Logo
9:41 am - 9:00 pm
MSN
-
ONT
13h 19m
2 stops
$319Delta
Fri, May 1 - Tue, May 5
American Airlines Logo
7:35 pm - 9:48 am
ONT
-
MSN
12h 13m
2 stops
American Airlines Logo
11:33 am - 8:27 pm
MSN
-
ONT
10h 54m
1 stop
$320American Airlines
Fri, May 1 - Tue, May 5
American Airlines Logo
7:35 pm - 8:45 am
ONT
-
MSN
11h 10m
2 stops
American Airlines Logo
11:33 am - 8:27 pm
MSN
-
ONT
10h 54m
1 stop
$321American Airlines
Fri, May 1 - Tue, May 5
American Airlines Logo
7:35 pm - 8:45 am
ONT
-
MSN
11h 10m
2 stops
American Airlines Logo
11:33 am - 8:27 pm
MSN
-
ONT
10h 54m
1 stop
$322American Airlines
Fri, May 1 - Tue, May 5
American Airlines Logo
7:35 pm - 9:48 am
ONT
-
MSN
12h 13m
2 stops
American Airlines Logo
10:19 am - 6:24 pm
MSN
-
ONT
10h 05m
2 stops
$327American Airlines
Fri, May 1 - Tue, May 5
American Airlines Logo
11:58 pm - 10:36 am
ONT
-
MSN
8h 38m
1 stop
American Airlines Logo
5:45 pm - 10:07 pm
MSN
-
ONT
6h 22m
1 stop
$359American Airlines
Thu, Feb 19 - Mon, Feb 23

United Airlines flights from Ontario to Madison

Our best United Airlines deals on Ontario to Madison flight tickets
United Airlines
May 28
ONT7:00 amOntario
5h 57m
1 stop
MSN2:57 pmMadison Truax Field
Jun 2
MSN3:53 pmMadison Truax Field
8h 35m
1 stop
ONT10:28 pmOntario
$399
United Airlines
Feb 21
ONT5:00 amOntario
7h 44m
1 stop
MSN2:44 pmMadison Truax Field
Feb 24
MSN4:23 pmMadison Truax Field
6h 27m
1 stop
ONT8:50 pmOntario
$424
United Airlines
Feb 21
ONT5:00 amOntario
7h 57m
2 stops
MSN2:57 pmMadison Truax Field
Feb 24
MSN4:23 pmMadison Truax Field
6h 27m
1 stop
ONT8:50 pmOntario
$429

Alaska Airlines flights from Ontario to Madison

Our best Alaska Airlines deals on Ontario to Madison flight tickets
Alaska Airlines
Apr 16
ONT7:08 pmOntario
11h 37m
2 stops
MSN8:45 amMadison Truax Field
Apr 21
MSN10:19 amMadison Truax Field
15h 40m
2 stops
ONT11:59 pmOntario
$549
Alaska Airlines
Apr 23
ONT7:59 pmOntario
10h 46m
2 stops
MSN8:45 amMadison Truax Field
Apr 26
MSN2:18 pmMadison Truax Field
11h 41m
2 stops
ONT11:59 pmOntario
$597
Alaska Airlines
May 1
ONT6:00 amOntario
11h 54m
2 stops
MSN7:54 pmMadison Truax Field
May 2
MSN5:00 amMadison Truax Field
11h 32m
2 stops
ONT2:32 pmOntario
$637

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 February 4, 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

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Thu 3/5

2:08 pm-7:11 pm

1 stop27h 03m

Madison Truax Field

Mon 3/9

7:51 pm-11:59 pm

1 stop6h 08m

$279

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Wed 4/22

12:59 am-1:50 pm

1 stop10h 51m

Madison Truax Field

Sun 4/26

2:33 pm-11:55 pm

1 stop11h 22m

$301

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Fri 5/1

11:59 pm-11:05 am

1 stop9h 06m

Madison Truax Field

Tue 5/5

11:33 am-8:27 pm

1 stop10h 54m

$315

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Fri 5/1

11:59 pm-11:05 am

1 stop9h 06m

Madison Truax Field

Tue 5/5

11:33 am-8:27 pm

1 stop10h 54m

$316

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Fri 5/1

10:15 pm-2:00 pm

2 stops13h 45m

Madison Truax Field

Tue 5/5

9:41 am-9:00 pm

2 stops13h 19m

$319

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Fri 5/1

7:35 pm-9:48 am

2 stops12h 13m

Madison Truax Field

Tue 5/5

11:33 am-8:27 pm

1 stop10h 54m

$320

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Fri 5/1

7:35 pm-8:45 am

2 stops11h 10m

Madison Truax Field

Tue 5/5

11:33 am-8:27 pm

1 stop10h 54m

$321

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Fri 5/1

7:35 pm-8:45 am

2 stops11h 10m

Madison Truax Field

Tue 5/5

11:33 am-8:27 pm

1 stop10h 54m

$322

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Fri 5/1

7:35 pm-9:48 am

2 stops12h 13m

Madison Truax Field

Tue 5/5

10:19 am-6:24 pm

2 stops10h 05m

$327

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Thu 2/19

11:58 pm-10:36 am

1 stop8h 38m

Madison Truax Field

Mon 2/23

5:45 pm-10:07 pm

1 stop6h 22m

$359

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 cheapest day to depart on your flight to Madison?

The cheapest day to depart from Ontario to Madison is on a Wednesday when prices can be found for as low as $228. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Madison on Saturday is $242.

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 56m

Direct flights

None
The fastest flight from Ontario to Madison takes 5h 56m
There are no direct flights from Ontario to Madison. There are no popular flight routes from Ontario to Madison.
Search flight deals

  • 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 56m, 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
United AirlinesPriceFrom $288Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
11,222 reviews
Search American Airlines flights

  • United Airlines Flights From Ontario to Madison

    United Airlines flies from Ontario to Madison around 4 times per week, with 9,236 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Ontario to Madison in the last 72 hours was $288 (round-trip), much lower than the average airfare cost of $508 for United Airlines flights on this route.

Traveling to a place near Madison?

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