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Cheap flights from Ontario to Madison from $127

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 7/30. 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 Madison

Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$254Frontier
Tue, Sep 1 - Tue, Sep 8
Frontier Logo
6:00 am - 7:10 pm
ONT
-
MSN
11h 10m
1 stop
Frontier Logo
7:55 pm - 11:50 pm
MSN
-
ONT
5h 55m
1 stop
$257Frontier
Tue, Jul 14 - Thu, Jul 16
Frontier Logo
6:00 am - 7:09 pm
ONT
-
MSN
11h 09m
1 stop
Frontier Logo
7:59 pm - 10:05 am
MSN
-
ONT
16h 06m
1 stop
$264Frontier
Thu, Aug 20 - Sun, Aug 23
Frontier Logo
6:00 am - 7:10 pm
ONT
-
MSN
11h 10m
1 stop
Frontier Logo
7:55 pm - 11:50 pm
MSN
-
ONT
5h 55m
1 stop
$282Frontier
Tue, Jul 7 - Thu, Jul 16
Frontier Logo
6:00 am - 7:10 pm
ONT
-
MSN
11h 10m
1 stop
Frontier Logo
7:55 pm - 10:04 am
MSN
-
ONT
16h 09m
1 stop
$285Frontier
Tue, Jul 14 - Thu, Jul 16
Frontier Logo
6:00 am - 7:10 pm
ONT
-
MSN
11h 10m
1 stop
Frontier Logo
7:55 pm - 11:50 pm
MSN
-
ONT
5h 55m
1 stop
$295Frontier
Tue, Jul 7 - Tue, Jul 28
Frontier Logo
6:00 am - 7:09 pm
ONT
-
MSN
11h 09m
1 stop
Frontier Logo
7:59 pm - 11:49 pm
MSN
-
ONT
5h 50m
1 stop
$309Frontier
Thu, Sep 3 - Sun, Sep 6
Frontier Logo
6:00 am - 7:10 pm
ONT
-
MSN
11h 10m
1 stop
Frontier Logo
7:55 pm - 11:50 pm
MSN
-
ONT
5h 55m
1 stop
$315Frontier
Thu, Jul 9 - Tue, Jul 14
United Airlines Logo
5:00 am - 1:13 pm
ONT
-
MSN
6h 13m
1 stop
United Airlines Logo
3:55 pm - 10:35 pm
MSN
-
ONT
8h 40m
1 stop
$331United Airlines
Tue, Aug 25 - Sat, Aug 29
American Airlines Logo
12:59 pm - 12:10 am
ONT
-
MSN
9h 11m
2 stops
American Airlines Logo
7:00 am - 1:53 pm
MSN
-
ONT
8h 53m
1 stop
$336American Airlines
Tue, Aug 25 - Sat, Aug 29

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Frontier flights from Ontario to Madison

Our best Frontier deals on Ontario to Madison flight tickets
Frontier
Sep 1
ONT10:50 amOntario
6h 19m
1 stop
MSN7:09 pmMadison Truax Field
Sep 8
MSN7:59 pmMadison Truax Field
5h 50m
1 stop
ONT11:49 pmOntario
$254
Frontier
Jul 14
ONT6:00 amOntario
11h 10m
1 stop
MSN7:10 pmMadison Truax Field
Jul 16
MSN7:55 pmMadison Truax Field
5h 55m
1 stop
ONT11:50 pmOntario
$257
Frontier
Aug 20
ONT6:00 amOntario
11h 09m
1 stop
MSN7:09 pmMadison Truax Field
Aug 23
MSN7:59 pmMadison Truax Field
16h 06m
1 stop
ONT10:05 amOntario
$264

Delta flights from Ontario to Madison

Our best Delta deals on Ontario to Madison flight tickets
Delta
Aug 25
ONT6:01 pmOntario
12h 15m
2 stops
MSN8:16 amMadison Truax Field
Aug 29
MSN6:05 amMadison Truax Field
8h 11m
2 stops
ONT12:16 pmOntario
$342
Delta
Sep 11
ONT6:00 pmOntario
12h 22m
2 stops
MSN8:22 amMadison Truax Field
Sep 19
MSN12:00 pmMadison Truax Field
12h 40m
2 stops
ONT10:40 pmOntario
$382
Delta
Jul 4
ONT6:00 amOntario
11h 46m
2 stops
MSN7:46 pmMadison Truax Field
Jul 7
MSN6:13 pmMadison Truax Field
7h 35m
2 stops
ONT11:48 pmOntario
$430

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 June 19, 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
Quickest round-trip

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Tue 9/1

10:50 am-7:09 pm

1 stop6h 19m

Madison Truax Field

Tue 9/8

7:59 pm-11:49 pm

1 stop5h 50m

$254

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Tue 7/14

6:00 am-7:10 pm

1 stop11h 10m

Madison Truax Field

Thu 7/16

7:55 pm-11:50 pm

1 stop5h 55m

$257

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Thu 8/20

6:00 am-7:09 pm

1 stop11h 09m

Madison Truax Field

Sun 8/23

7:59 pm-10:05 am

1 stop16h 06m

$264

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Tue 7/7

6:00 am-7:10 pm

1 stop11h 10m

Madison Truax Field

Thu 7/16

7:55 pm-11:50 pm

1 stop5h 55m

$282

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Tue 7/14

6:00 am-7:10 pm

1 stop11h 10m

Madison Truax Field

Thu 7/16

7:55 pm-10:04 am

1 stop16h 09m

$285

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Tue 7/7

6:00 am-7:10 pm

1 stop11h 10m

Madison Truax Field

Tue 7/28

7:55 pm-11:50 pm

1 stop5h 55m

$295

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Thu 9/3

6:00 am-7:09 pm

1 stop11h 09m

Madison Truax Field

Sun 9/6

7:59 pm-11:49 pm

1 stop5h 50m

$309

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Thu 7/9

6:00 am-7:10 pm

1 stop11h 10m

Madison Truax Field

Tue 7/14

7:55 pm-11:50 pm

1 stop5h 55m

$315

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Tue 8/25

5:00 am-1:13 pm

1 stop6h 13m

Madison Truax Field

Sat 8/29

3:55 pm-10:35 pm

1 stop8h 40m

$331

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Tue 8/25

12:59 pm-12:10 am

2 stops9h 11m

Madison Truax Field

Sat 8/29

7:00 am-1:53 pm

1 stop8h 53m

$336

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 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 $398.

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 21m

Direct flights

None
The fastest flight from Ontario to Madison takes 5h 21m
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 21m, 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
11,703 reviews
Search American Airlines flights
United AirlinesPriceFrom $313Free CancellationRating
7.4
9,860 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
Middleton
Fitchburg
Sun Prairie
Portage
Windsor
Evansville
Cambridge
Oxford

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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