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Madison

$117+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MSN
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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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 October 23, 2025.

This Priceline deal was found by Cheapflights users on 10/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:53 amONT - MSN
1 stop10h 22mFrontier
Mon 11/178:00 pmMSN - ONT
1 stop5h 50mFrontier
Deal found 10/22$196
This Frontier deal was found by Cheapflights users on 10/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:30 amONT - MSN
1 stop6h 44mFrontier
Fri 10/318:00 pmMSN - ONT
1 stop5h 50mFrontier
Deal found 10/20$258
This Trip.com deal was found by Cheapflights users on 10/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:53 amONT - MSN
1 stop10h 22mFrontier
Mon 11/38:00 pmMSN - ONT
1 stop5h 50mFrontier
Deal found 10/22$299
This Priceline deal was found by Cheapflights users on 10/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:30 amONT - MSN
1 stop6h 44mFrontier
Thu 10/308:00 pmMSN - ONT
1 stop5h 50mFrontier
Deal found 10/22$302
This Frontier deal was found by Cheapflights users on 10/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2411:53 amONT - MSN
1 stop5h 21mFrontier
Fri 10/318:00 pmMSN - ONT
1 stop5h 50mFrontier
Deal found 10/20$315
This Frontier deal was found by Cheapflights users on 10/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:53 amONT - MSN
1 stop10h 22mFrontier
Sun 11/27:59 pmMSN - ONT
1 stop5h 51mFrontier
Deal found 10/22$329
This Frontier deal was found by Cheapflights users on 10/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:53 amONT - MSN
1 stop10h 21mFrontier
Sun 10/266:36 pmMSN - ONT
1 stop7h 14mFrontier
Deal found 10/20$339
This Frontier deal was found by Cheapflights users on 10/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2411:53 amONT - MSN
1 stop5h 21mFrontier
Thu 10/308:00 pmMSN - ONT
1 stop5h 50mFrontier
Deal found 10/20$359
This Frontier deal was found by Cheapflights users on 10/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2411:53 amONT - MSN
1 stop5h 21mFrontier
Mon 10/277:59 pmMSN - ONT
1 stop5h 51mFrontier
Deal found 10/22$369
This Delta deal was found by Cheapflights users on 10/22. 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.
Thu 11/1310:25 pmONT - MSN
2 stops12h 18mDelta
Mon 11/171:30 pmMSN - ONT
2 stops12h 22mDelta
Deal found 10/22$373
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/61:34 pmONT - MSN
1 stop5h 36mUnited Airlines
Sat 12/133:09 pmMSN - ONT
1 stop7h 33mUnited Airlines
Deal found 10/21$379

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 October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$196
(Priceline)

One-way from

$117
(Frontier)

Popular in

September

Cheapest in

January

Average price

$413
Provider with most accurate pricing for Ontario-Madison Truax Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Madison Truax Field flights.
Search Deals
From Ontario to Madison Truax Field
Search Deals
One-way flight from Ontario to Madison Truax Field
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 23, 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

Wed 4/15

10:59 pm-10:13 am

1 stop9h 14m

Madison Truax Field

Sat 4/18

11:11 am-6:15 pm

1 stop9h 04m

$339

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Sat 12/6

1:34 pm-9:10 pm

1 stop5h 36m

Madison Truax Field

Sat 12/13

3:09 pm-8:42 pm

1 stop7h 33m

$379

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Sat 11/15

1:29 pm-9:02 pm

1 stop5h 33m

Madison Truax Field

Sat 12/6

3:09 pm-10:49 pm

2 stops9h 40m

$384

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Tue 11/18

7:00 am-4:50 pm

1 stop7h 50m

Madison Truax Field

Thu 11/27

8:25 am-3:21 pm

1 stop8h 56m

$404

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Tue 11/18

6:38 pm-10:00 am

2 stops13h 22m

Madison Truax Field

Mon 11/24

3:58 pm-10:31 pm

1 stop8h 33m

$409

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Wed 4/15

6:30 pm-9:53 am

2 stops13h 23m

Madison Truax Field

Sat 4/18

7:00 am-3:18 pm

2 stops10h 18m

$414

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Tue 12/23

11:59 pm-10:10 am

1 stop8h 11m

Madison Truax Field

Sat 1/3

12:23 pm-9:07 pm

2 stops10h 44m

$424

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Thu 10/30

6:53 am-7:15 pm

1 stop10h 22m

$117

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Mon 11/17

6:53 am-7:15 pm

1 stop10h 22m

$147

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Mon 12/8

10:25 pm-12:42 pm

2 stops12h 17m

$211

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 16 results
1
2

Compare providers for flights from Ontario to Madison

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Madison in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Madison flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Madison flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Madison flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Madison flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Madison flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

Currently, May is the cheapest month in which you can book a flight from Ontario to Madison (average of $99). Flying from Ontario to Madison in December is currently the most expensive (average of $241). 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 October 23, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 22% 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 October 23, 2025.
Get a feel of what it's like to fly with United Airlines and American 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.
United Airlines
7.4
Good
8,995 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

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
8,995 reviews
United Airlines
7.4
Good
8,995 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

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
11,032 reviews
United Airlines
7.4
Good
8,995 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

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?

    Delta and United Airlines can get you from Ontario to Madison in just under 5h 36m. Your travel time can differ by up to 3h 38m. Airlines will cover a distance of 1639 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    American Airlines, at $288, was found to be the cheapest airline from Ontario to Madison. An alternate airline flying to your destination would be United Airlines. You may be able to fly from Ontario to Madison for 34% 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 ($117), Delta ($211), and American Airlines ($219).

  • 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, May is the cheapest month in which you can book a flight from Ontario to Madison (average of $99). Flying from Ontario to Madison in December is currently the most expensive (average of $241). 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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See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Ontario to Madison

Discover the top 2 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 October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$288Average$483FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$433FlexibilityNo cancel feeOn-time71%

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