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Madison

$141+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MSN
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 38 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 July 3, 2025.

Round-trip from

$289
(American Airlines)

One-way from

$141
(Mytrip)

Popular in

July

Cheapest in

January

Average price

$508
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 ($43 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 July 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 July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/1. 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.
Mon 7/2812:59 amONT - MSN
1 stop7h 47mAmerican Airlines
Tue 8/56:45 amMSN - ONT
1 stop9h 02mAmerican Airlines
Deal found 7/1$289
This Delta deal was found by Cheapflights users on 7/1. 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.
Tue 7/2910:05 pmONT - MSN
2 stops12h 35mDelta
Tue 8/52:33 pmMSN - ONT
2 stops11h 09mDelta
Deal found 7/1$299
This Booking.com deal was found by Cheapflights users on 7/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1412:59 amONT - MSN
1 stop15h 34mFrontier
Tue 7/227:18 pmMSN - ONT
1 stop15h 51mFrontier
Deal found 7/1$304
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/97:00 amONT - MSN
1 stop6h 03mUnited Airlines
Tue 8/265:33 pmMSN - ONT
1 stop6h 57mUnited Airlines
Deal found 7/2$379
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/136:00 amONT - MSN
2 stops12h 58mAlaska Airlines
Tue 8/265:30 amMSN - ONT
2 stops10h 39mAlaska Airlines
Deal found 7/1$389

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 July 3, 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

Mon 7/28

12:59 am-10:46 am

1 stop7h 47m

Madison Truax Field

Tue 8/5

6:45 am-1:47 pm

1 stop9h 02m

$289

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Tue 7/29

10:05 pm-12:40 pm

2 stops12h 35m

Madison Truax Field

Tue 8/5

2:33 pm-11:42 pm

2 stops11h 09m

$299

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Mon 7/14

12:59 am-6:33 pm

1 stop15h 34m

Madison Truax Field

Tue 7/22

7:18 pm-9:09 am

1 stop15h 51m

$304

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Sat 8/9

7:00 am-3:03 pm

1 stop6h 03m

Madison Truax Field

Tue 8/26

5:33 pm-10:30 pm

1 stop6h 57m

$379

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Wed 8/13

6:00 am-8:58 pm

2 stops12h 58m

Madison Truax Field

Tue 8/26

5:30 am-2:09 pm

2 stops10h 39m

$389

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Wed 7/9

5:21 pm-6:33 pm

1 stop23h 12m

$141

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Tue 8/12

10:00 pm-9:56 am

1 stop9h 56m

$195

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Thu 8/14

2:31 pm-11:02 pm

1 stop6h 31m

$222

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Thu 8/14

7:00 am-3:03 pm

1 stop6h 03m

$267

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Wed 7/23

6:58 pm-10:15 am

2 stops13h 17m

$306

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 June 27, 2025.

The best time to book flights from Ontario to Madison is 38 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 July 3, 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 July 3, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Frontier
5.9
Fair
3,286 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    American Airlines, at $289, was found to be the cheapest airline from Ontario to Madison.Alternate airlines to your destination round-trip include Delta and Frontier. You may be able to fly from Ontario to Madison for 27% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Ontario to Madison one-way?

    The cheapest airlines for a one-way flight from Ontario to Madison are Frontier ($141), Delta ($195), and American Airlines ($222).

  • 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 Ontario?

Book flights to Ontario 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$72Average$228FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$288Average$422FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$482FlexibilityNo cancel feeOn-time69%

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