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Madison

$140+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MSN
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Ontario to Madison Truax Field are usually found in January or November, booked 58 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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$238
(Booking.com)

One-way from

$204
(American Airlines)

Popular in

July

Cheapest in

January

Average price

$472
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.
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From Ontario to Madison Truax Field
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One-way flight from Ontario to Madison Truax Field
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This CheapOair deal was found by Cheapflights users on 4/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2112:08 amONT - MSN
1 stop16h 45mFrontier
Sun 5/257:48 pmMSN - ONT
1 stop6h 03mFrontier
Deal found 4/30$248
This Delta deal was found by Cheapflights users on 4/30. 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 5/2912:18 pmONT - MSN
1 stop8h 43mDelta
Sun 6/15:30 amMSN - ONT
1 stop7h 38mDelta
Deal found 4/30$283
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 5/2811:59 pmONT - MSN
1 stop8h 34mAmerican Airlines
Tue 6/36:45 amMSN - ONT
1 stop7h 05mAmerican Airlines
Deal found 4/30$289
This United Airlines deal was found by Cheapflights users on 4/30. 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 6/71:33 pmONT - MSN
1 stop6h 10mUnited Airlines
Tue 6/103:09 pmMSN - ONT
1 stop7h 55mUnited Airlines
Deal found 4/30$379
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 5/286:00 amONT - MSN
2 stops15h 26mAlaska Airlines
Mon 6/25:09 amMSN - ONT
2 stops12h 41mAlaska Airlines
Deal found 4/30$439
This Orbitz deal was found by Cheapflights users on 4/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:24 pmONT - MSN
2 stops11h 37mMultiple Airlines
Sun 5/117:56 pmMSN - ONT
1 stop6h 03mMultiple Airlines
Deal found 4/30$635

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 May 1, 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 5/14

11:58 pm-6:52 pm

1 stop16h 54m

Madison Truax Field

Sun 5/18

7:56 pm-11:15 am

1 stop17h 19m

$238

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Tue 7/22

10:05 pm-10:05 am

1 stop10h 00m

Madison Truax Field

Sat 7/26

6:45 am-12:14 pm

2 stops7h 29m

$294

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Sat 5/24

2:44 pm-10:54 pm

1 stop6h 10m

Madison Truax Field

Sat 5/31

6:45 am-11:51 am

1 stop7h 06m

$340

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Sat 6/7

1:33 pm-9:43 pm

1 stop6h 10m

Madison Truax Field

Tue 6/10

3:09 pm-9:04 pm

1 stop7h 55m

$379

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Wed 6/4

7:20 pm-9:20 am

2 stops12h 00m

Madison Truax Field

Wed 6/11

5:40 am-3:50 pm

2 stops12h 10m

$479

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Sat 5/17

12:59 am-7:06 pm

1 stop16h 07m

$140

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Wed 8/13

6:10 am-4:44 pm

1 stop8h 34m

$204

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Mon 8/25

10:59 pm-12:57 pm

2 stops11h 58m

$227

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Wed 6/4

1:33 pm-9:43 pm

1 stop6h 10m

$249

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Thu 8/21

7:22 pm-9:22 am

2 stops12h 00m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 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 eDreams the most. eDreams 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

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 April 25, 2025.

The best time to book flights from Ontario to Madison is 58 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 June is currently the most expensive (average of $423). 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 May 1, 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.

Rainfall in Madison by month

Plan your trip to Madison by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Madison ranges from 1.2 - 4.5 inches per month. June is typically the wettest month, when rainfall can reach 4.5 in. January is typically the driest time to visit Madison when rainfall is around 1.2 in.

Temperature in Madison by month

Plan your trip to Madison by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Madison, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 19.4 F).

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 May 1, 2025.
Read through reviews of airlines operating flights from Ontario to Madison, such as Alaska Airlines, Delta and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

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
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

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
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

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
9,972 reviews

Boarding

8.1

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Frontier
6.0
Okay
3,287 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

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?

    Frontier, at $238, was found to be the cheapest airline from Ontario to Madison.Alternate airlines to your destination round-trip include Delta and American Airlines. You may be able to fly from Ontario to Madison for 39% 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 American Airlines ($204), Delta ($227), and United Airlines ($249).

  • 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 June is currently the most expensive (average of $423). 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

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$72Average$246FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$288Average$420FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$478FlexibilityNo cancel feeOn-time69%

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