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Cheap flights from Ontario to Madison from $117

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 8/4. 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
0 bags

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Find the cheapest flights from Ontario to Madison

Cheap round-trip flights

Frontier Logo
3:43 pm - 7:14 pmONT-MSN
25h 31m1 stop
Frontier Logo
7:59 pm - 7:54 pmMSN-ONT
25h 55m1 stop
$245Frontier
Find Deal
Thu, Sep 25 - Sun, Sep 28
Frontier Logo
8:59 pm - 7:14 pmONT-MSN
20h 15m1 stop
Frontier Logo
7:59 pm - 7:54 pmMSN-ONT
25h 55m1 stop
$285Frontier
Find Deal
Wed, Sep 24 - Mon, Sep 29
American Airlines Logo
11:59 pm - 10:33 amONT-MSN
8h 34m1 stop
American Airlines Logo
8:00 am - 11:32 amMSN-ONT
5h 32m1 stop
$289American Airlines
Find Deal
Sat, Aug 23 - Wed, Aug 27
American Airlines Logo
12:22 pm - 11:59 pmONT-MSN
9h 37m2 stops
American Airlines Logo
12:41 pm - 9:12 pmMSN-ONT
10h 31m1 stop
$294American Airlines
Find Deal
Sat, Aug 23 - Wed, Aug 27
Delta Logo
10:00 pm - 9:58 amONT-MSN
9h 58m1 stop
Delta Logo
10:43 am - 7:15 pmMSN-ONT
10h 32m1 stop
$354Delta
Find Deal
Mon, Sep 22 - Tue, Sep 30
Delta Logo
10:00 pm - 9:58 amONT-MSN
9h 58m1 stop
Delta Logo
1:23 pm - 10:23 pmMSN-ONT
11h 00m2 stops
$359Delta
Find Deal
Mon, Sep 22 - Sun, Sep 28
United Airlines Logo
7:00 am - 4:44 pmONT-MSN
7h 44m1 stop
United Airlines Logo
10:50 am - 8:43 pmMSN-ONT
11h 53m2 stops
$384United Airlines
Find Deal
Thu, Sep 4 - Tue, Sep 9
United Airlines Logo
5:10 am - 7:09 pmONT-MSN
11h 59m2 stops
United Airlines Logo
10:50 am - 8:43 pmMSN-ONT
11h 53m2 stops
$389United Airlines
Find Deal
Sat, Sep 6 - Tue, Sep 9
Alaska Airlines Logo
7:47 pm - 9:40 amONT-MSN
11h 53m2 stops
Alaska Airlines Logo
5:00 am - 2:12 pmMSN-ONT
11h 12m2 stops
$414Alaska Airlines
Find Deal
Mon, Sep 22 - Tue, Sep 30
Alaska Airlines Logo
6:00 am - 9:45 pmONT-MSN
13h 45m2 stops
Alaska Airlines Logo
5:00 am - 2:12 pmMSN-ONT
11h 12m2 stops
$454Alaska Airlines
Find Deal
Thu, Sep 4 - Tue, Sep 9

Frontier flights from Ontario to Madison

Our best Frontier deals on Ontario to Madison flight tickets
Frontier
Sep 25
ONT3:43 pmOntario
25h 31m
1 stop
MSN7:14 pmMadison Truax Field
Sep 28
MSN7:59 pmMadison Truax Field
25h 55m
1 stop
ONT7:54 pmOntario
$245
Find similar
Frontier
Sep 24
ONT8:59 pmOntario
20h 15m
1 stop
MSN7:14 pmMadison Truax Field
Sep 29
MSN7:59 pmMadison Truax Field
25h 55m
1 stop
ONT7:54 pmOntario
$285
Find similar
Frontier
Aug 2
ONT12:59 amOntario
15h 34m
1 stop
MSN6:33 pmMadison Truax Field
Aug 5
MSN7:18 pmMadison Truax Field
6h 32m
1 stop
ONT11:50 pmOntario
$325
Find similar

United Airlines flights from Ontario to Madison

Our best United Airlines deals on Ontario to Madison flight tickets
United Airlines
Sep 4
ONT7:00 amOntario
7h 44m
1 stop
MSN4:44 pmMadison Truax Field
Sep 9
MSN10:50 amMadison Truax Field
11h 53m
2 stops
ONT8:43 pmOntario
$384
Find similar
United Airlines
Sep 6
ONT5:10 amOntario
11h 59m
2 stops
MSN7:09 pmMadison Truax Field
Sep 9
MSN10:50 amMadison Truax Field
11h 53m
2 stops
ONT8:43 pmOntario
$389
Find similar
United Airlines
Aug 13
ONT1:34 pmOntario
6h 10m
1 stop
MSN9:44 pmMadison Truax Field
Aug 26
MSN5:33 pmMadison Truax Field
6h 57m
1 stop
ONT10:30 pmOntario
$404
Find similar

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 July 30, 2025.
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

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Thu 9/25

3:43 pm-7:14 pm

1 stop25h 31m

Madison Truax Field

Sun 9/28

7:59 pm-7:54 pm

1 stop25h 55m

$245

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Wed 9/24

8:59 pm-7:14 pm

1 stop20h 15m

Madison Truax Field

Mon 9/29

7:59 pm-7:54 pm

1 stop25h 55m

$285

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Sat 8/23

11:59 pm-10:33 am

1 stop8h 34m

Madison Truax Field

Wed 8/27

8:00 am-11:32 am

1 stop5h 32m

$289

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Sat 8/23

12:22 pm-11:59 pm

2 stops9h 37m

Madison Truax Field

Wed 8/27

12:41 pm-9:12 pm

1 stop10h 31m

$294

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Mon 9/22

10:00 pm-9:58 am

1 stop9h 58m

Madison Truax Field

Tue 9/30

10:43 am-7:15 pm

1 stop10h 32m

$354

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Mon 9/22

10:00 pm-9:58 am

1 stop9h 58m

Madison Truax Field

Sun 9/28

1:23 pm-10:23 pm

2 stops11h 00m

$359

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Thu 9/4

7:00 am-4:44 pm

1 stop7h 44m

Madison Truax Field

Tue 9/9

10:50 am-8:43 pm

2 stops11h 53m

$384

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Sat 9/6

5:10 am-7:09 pm

2 stops11h 59m

Madison Truax Field

Tue 9/9

10:50 am-8:43 pm

2 stops11h 53m

$389

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Mon 9/22

7:47 pm-9:40 am

2 stops11h 53m

Madison Truax Field

Tue 9/30

5:00 am-2:12 pm

2 stops11h 12m

$414

OntarioMadison

ONT - MSN

ONTMSN

Ontario

Thu 9/4

6:00 am-9:45 pm

2 stops13h 45m

Madison Truax Field

Tue 9/9

5:00 am-2:12 pm

2 stops11h 12m

$454

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 cheapest month to fly to Madison?

The month of January is, on average, the cheapest month to fly to Madison from Ontario, with most prices found around $313. If you’re not able to fly to Madison in January, then November is your next best option. Flight prices from Ontario to Madison during November average around $313.

What is the cheapest day to depart on your flight to Madison?

The cheapest day to depart from Ontario to Madison is on a Saturday when prices can be found for as low as $239. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Madison on Sunday is $868.

What is the cheapest time of day to depart on your flight to Madison?

According to our data, the cheapest time of day to fly to Madison is in the morning. momondo users have found flights departing from Ontario to Madison in the morning for as low as $242. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Madison is at noon when prices are around $460.

How far in advance should I book a flight to Madison?

You are more likely to see cheaper flights to Madison from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Madison for around $407 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Madison from Ontario for as low as $316 on momondo.

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

Best Price Found

$117

Fastest flight time

5h 28m

Direct flights

None

Airports in Madison

1 airport
The best one-way flight to Madison from Ontario in the past 72 hours is $117. The best round-trip flight deal from Ontario to Madison found on momondo in the last 72 hours is $245.
The fastest flight from Ontario to Madison takes 5h 28m
There are no direct flights from Ontario to Madison. Popular non-direct route for this connection is Ontario Airport - Madison Truax Field Airport.
There is 1 airport near Madison: Madison Truax Field (MSN)
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  • 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 28m, 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
FrontierPriceFrom $72Free CancellationRating
5.9
3,237 reviews
Search Frontier flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
8,896 reviews
Search United Airlines flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
10,000 reviews
Search American 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
Portage
Fitchburg
Sun Prairie
Cambridge
Oxford
Evansville
Windsor

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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