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Madison

$106+ Cheap flights from Ontario to Madison (ONT - MSN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MSN
ago. 23 — ago. 301
sáb. 8/23
sáb. 8/30
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Madison Truax Field are usually found in January or November, booked 11 days in advance, depart on a Saturday or Wednesday and return on a Saturday

Cheap flight deals from Ontario to Madison

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Madison (MSN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated agosto 18, 2025.

Round-trip from

$165
(FlightHub)

One-way from

$106
(FlightHub)

Popular in

July

Cheapest in

January

Average price

$348
From Ontario to Madison Truax Field
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One-way flight from Ontario to Madison Truax Field
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Highest demand for flights based on searches. 9% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Ontario to Madison

Cheapest flights from Ontario to Madison
Explore the most affordable flight options available from Ontario to Madison. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 18, 2025.

This FlightHub deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/306:53 amONT - MSN
1 stop10h 22mFrontier
dom. 11/28:00 pmMSN - ONT
1 stop5h 50mFrontier
Deal found 8/17$165
This FlightHub deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/2112:59 amONT - MSN
1 stop15h 59mFrontier
lun. 8/256:59 pmMSN - ONT
1 stop6h 51mFrontier
Deal found 8/15$209
This FlightHub deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/312:59 amONT - MSN
1 stop16h 15mFrontier
dom. 9/77:59 pmMSN - ONT
1 stop13h 24mFrontier
Deal found 8/17$230
This FlightHub deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/66:53 amONT - MSN
1 stop10h 22mFrontier
dom. 11/98:00 pmMSN - ONT
1 stop5h 50mFrontier
Deal found 8/17$288
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1011:45 amONT - MSN
1 stop7h 48mDelta
sáb. 9/131:20 pmMSN - ONT
1 stop7h 55mDelta
Deal found 8/17$289
This American Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/102:54 pmONT - MSN
1 stop6h 33mAmerican Airlines
sáb. 9/137:30 amMSN - ONT
2 stops12h 46mAmerican Airlines
Deal found 8/17$294
This American Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/101:10 pmONT - MSN
2 stops8h 17mAmerican Airlines
mié. 9/176:40 amMSN - ONT
2 stops11h 25mAmerican Airlines
Deal found 8/17$299
This FlightHub deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/28:59 pmONT - MSN
1 stop20h 15mFrontier
dom. 10/57:59 pmMSN - ONT
1 stop28h 14mFrontier
Deal found 8/16$322
This FlightHub deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/1612:59 amONT - MSN
1 stop15h 34mFrontier
jue. 8/217:59 pmMSN - ONT
1 stop5h 51mFrontier
Deal found 8/16$337
This American Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/212:22 pmONT - MSN
1 stop6h 36mAmerican Airlines
sáb. 9/612:50 pmMSN - ONT
1 stop10h 34mAmerican Airlines
Deal found 8/18$339

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated agosto 18, 2025.
Use the filters below to find and compare flights from Ontario to Madison that are best for you.

Fly from

Ontario

Fly to

Madison

Route

Depart

Return

Price

OntarioMadison

ONT - MSN

ONTMSN

Ontario

jue. 10/30

6:53 am-7:15 pm

1 stop10h 22m

Madison Truax Field

dom. 11/2

8:00 pm-11:50 pm

1 stop5h 50m

$165

OntarioMadison

ONT - MSN

ONTMSN

Ontario

mié. 9/3

12:59 am-7:14 pm

1 stop16h 15m

Madison Truax Field

dom. 9/7

7:59 pm-7:23 am

1 stop13h 24m

$230

OntarioMadison

ONT - MSN

ONTMSN

Ontario

jue. 11/6

6:53 am-7:15 pm

1 stop10h 22m

Madison Truax Field

dom. 11/9

8:00 pm-11:50 pm

1 stop5h 50m

$288

OntarioMadison

ONT - MSN

ONTMSN

Ontario

mié. 9/10

11:45 am-9:33 pm

1 stop7h 48m

Madison Truax Field

sáb. 9/13

1:20 pm-7:15 pm

1 stop7h 55m

$289

OntarioMadison

ONT - MSN

ONTMSN

Ontario

mié. 9/10

12:47 pm-11:27 pm

1 stop8h 40m

Madison Truax Field

mié. 9/17

6:40 am-11:57 am

1 stop7h 17m

$289

OntarioMadison

ONT - MSN

ONTMSN

Ontario

mié. 9/10

2:54 pm-11:27 pm

1 stop6h 33m

Madison Truax Field

sáb. 9/13

7:30 am-6:16 pm

2 stops12h 46m

$294

OntarioMadison

ONT - MSN

ONTMSN

Ontario

jue. 9/4

6:00 am-7:14 pm

2 stops11h 14m

$110

OntarioMadison

ONT - MSN

ONTMSN

Ontario

dom. 9/7

8:59 pm-7:14 pm

1 stop20h 15m

$123

OntarioMadison

ONT - MSN

ONTMSN

Ontario

dom. 9/21

8:59 pm-7:14 pm

1 stop20h 15m

$123

OntarioMadison

ONT - MSN

ONTMSN

Ontario

dom. 8/24

12:59 am-6:04 pm

1 stop15h 05m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 13 results
1
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Best time to book a flight from Ontario to Madison

Have a flexible travel schedule? Discover the best time to fly to Madison from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Madison

How far ahead should I book a flight from Ontario to Madison?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Madison. Price data was last updated on August 8, 2025.

The best time to book flights from Ontario to Madison is 11 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Ontario to Madison?

Currently, January is the cheapest month in which you can book a flight from Ontario to Madison (average of $338). Flying from Ontario to Madison in March is currently the most expensive (average of $422). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to MSN?

Find hourly flight availability from Ontario to Madison. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 18, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 15% on flights from Ontario to Madison by exploring options for tickets in the afternoon.

Reviews of airlines servicing Madison

Get insights into the airlines that provide service to Madison. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Madison. Reviews last updated agosto 18, 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines, and Frontier from Ontario to Madison by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,925 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.
United Airlines
7.4
Good
8,925 reviews
United Airlines
7.4
Good
8,925 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,925 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.
Frontier
5.8
Fair
3,212 reviews
United Airlines
7.4
Good
8,925 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Madison. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Madison?

    Frontier can get you from Ontario to Madison in just under 10h 22m. Your travel time can differ by up to . Airlines will cover a distance of 1639 mi.

  • What are the cheapest airlines flying from Ontario to Madison round-trip?

    Frontier, at $72, was found to be the cheapest airline from Ontario to Madison.Alternate airlines to your destination round-trip include American Airlines and United Airlines. You may be able to fly from Ontario to Madison for 82% less than the average price by searching for these airlines.

  • Can I find deals for flights from Ontario to Madison that include hotel bookings?

    Yes. In addition to deals on Ontario to Madison flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Madison?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Madison.

  • Can I find deals for business class flights from Ontario to Madison?

    Yes. Cheapflights offers flight deals from Ontario to Madison by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Madison?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Madison (average of $338). Flying from Ontario to Madison in March is currently the most expensive (average of $422). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Madison?

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

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Alternative routes for Ontario to Madison

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ontario to Madison

Discover the top 3 airlines that operate flights from Ontario to Madison. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated agosto 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$72Average$208FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$288Average$488FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$420FlexibilityNo cancel feeOn-time71%

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