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Cheap flights from Madison to Los Angeles from $125

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Madison to Los Angeles departing on 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Madison to Los Angeles

Cheap round-trip flights

Frontier Logo
7:59 pm - 7:23 amMSN-ONT
13h 24m1 stop
Frontier Logo
8:59 pm - 7:14 pmONT-MSN
20h 15m1 stop
$230Frontier
Find Deal
Thu, Sep 4 - Thu, Sep 11
Frontier Logo
7:59 pm - 7:54 pmMSN-ONT
25h 55m1 stop
Frontier Logo
8:59 pm - 7:14 pmONT-MSN
20h 15m1 stop
$235Frontier
Find Deal
Thu, Sep 4 - Sat, Sep 6
Frontier Logo
7:59 pm - 11:50 pmMSN-ONT
5h 51m1 stop
Frontier Logo
6:53 am - 7:15 pmONT-MSN
10h 22m1 stop
$238Frontier
Find Deal
Mon, Oct 27 - Fri, Oct 31
American Airlines Logo
12:46 pm - 9:11 pmMSN-ONT
10h 25m1 stop
American Airlines Logo
1:10 pm - 9:45 pmONT-MSN
6h 35m1 stop
$289American Airlines
Find Deal
Thu, Sep 25 - Sat, Sep 27
American Airlines Logo
12:46 pm - 9:11 pmMSN-ONT
10h 25m1 stop
American Airlines Logo
1:10 pm - 11:27 pmONT-MSN
8h 17m2 stops
$294American Airlines
Find Deal
Thu, Sep 25 - Sat, Sep 27
United Airlines Logo
2:51 pm - 8:24 pmMSN-ONT
7h 33m1 stop
United Airlines Logo
5:05 am - 1:18 pmONT-MSN
6h 13m1 stop
$306United Airlines
Find Deal
Thu, Sep 25 - Sun, Sep 28
Delta Logo
1:20 pm - 7:11 pmMSN-ONT
7h 51m1 stop
Delta Logo
11:45 am - 11:02 pmONT-MSN
9h 17m1 stop
$339Delta
Find Deal
Thu, Sep 4 - Mon, Sep 8
United Airlines Logo
2:51 pm - 8:24 pmMSN-ONT
7h 33m1 stop
United Airlines Logo
6:36 pm - 9:55 amONT-MSN
13h 19m2 stops
$371United Airlines
Find Deal
Thu, Sep 25 - Sun, Sep 28
Delta Logo
12:05 pm - 10:22 pmMSN-ONT
12h 17m2 stops
Delta Logo
6:37 am - 10:29 pmONT-MSN
13h 52m2 stops
$419Delta
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Thu, Oct 16 - Wed, Oct 22
Alaska Airlines Logo
2:14 pm - 12:03 amMSN-ONT
11h 49m2 stops
Alaska Airlines Logo
11:59 am - 11:36 pmONT-MSN
9h 37m2 stops
$519Alaska Airlines
Find Deal
Fri, Oct 24 - Mon, Oct 27

Frontier flights from Madison to Ontario

Our best Frontier deals on Madison to Ontario flight tickets
Frontier
Sep 4
MSN7:59 pmMadison Truax Field
13h 24m
1 stop
ONT7:23 amOntario
Sep 11
ONT8:59 pmOntario
20h 15m
1 stop
MSN7:14 pmMadison Truax Field
$230
Find similar
Frontier
Sep 4
MSN7:59 pmMadison Truax Field
25h 55m
1 stop
ONT7:54 pmOntario
Sep 6
ONT8:59 pmOntario
20h 15m
1 stop
MSN7:14 pmMadison Truax Field
$235
Find similar
Frontier
Oct 27
MSN7:59 pmMadison Truax Field
5h 51m
1 stop
ONT11:50 pmOntario
Oct 31
ONT6:53 amOntario
10h 22m
1 stop
MSN7:15 pmMadison Truax Field
$238
Find similar

Alaska Airlines flights from Madison to Ontario

Our best Alaska Airlines deals on Madison to Ontario flight tickets
Alaska Airlines
Oct 24
MSN2:14 pmMadison Truax Field
11h 49m
2 stops
ONT12:03 amOntario
Oct 27
ONT11:59 amOntario
9h 37m
2 stops
MSN11:36 pmMadison Truax Field
$519
Find similar
Alaska Airlines
Sep 4
MSN10:16 amMadison Truax Field
15h 47m
2 stops
ONT12:03 amOntario
Sep 8
ONT7:47 pmOntario
11h 53m
2 stops
MSN9:40 amMadison Truax Field
$601
Find similar
Alaska Airlines
Sep 4
MSN8:00 amMadison Truax Field
12h 47m
2 stops
ONT6:47 pmOntario
Sep 5
ONT6:00 amOntario
11h 54m
2 stops
MSN7:54 pmMadison Truax Field
$702
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Madison to Ontario 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 August 21, 2025.
Use the filters below to find and compare flights from Madison to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Thu 9/4

7:59 pm-7:23 am

1 stop13h 24m

Ontario

Thu 9/11

8:59 pm-7:14 pm

1 stop20h 15m

$230

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Thu 9/4

7:59 pm-7:54 pm

1 stop25h 55m

Ontario

Sat 9/6

8:59 pm-7:14 pm

1 stop20h 15m

$235

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Mon 10/27

7:59 pm-11:50 pm

1 stop5h 51m

Ontario

Fri 10/31

6:53 am-7:15 pm

1 stop10h 22m

$238

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Thu 9/25

12:46 pm-9:11 pm

1 stop10h 25m

Ontario

Sat 9/27

1:10 pm-9:45 pm

1 stop6h 35m

$289

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Thu 9/25

12:46 pm-9:11 pm

1 stop10h 25m

Ontario

Sat 9/27

1:10 pm-11:27 pm

2 stops8h 17m

$294

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Thu 9/25

2:51 pm-8:24 pm

1 stop7h 33m

Ontario

Sun 9/28

5:05 am-1:18 pm

1 stop6h 13m

$306

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Thu 9/4

1:20 pm-7:11 pm

1 stop7h 51m

Ontario

Mon 9/8

11:45 am-11:02 pm

1 stop9h 17m

$339

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Thu 9/25

2:51 pm-8:24 pm

1 stop7h 33m

Ontario

Sun 9/28

6:36 pm-9:55 am

2 stops13h 19m

$371

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Thu 10/16

12:05 pm-10:22 pm

2 stops12h 17m

Ontario

Wed 10/22

6:37 am-10:29 pm

2 stops13h 52m

$419

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Fri 10/24

2:14 pm-12:03 am

2 stops11h 49m

Ontario

Mon 10/27

11:59 am-11:36 pm

2 stops9h 37m

$519

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Madison to Ontario

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 Ontario?

In general, October is the cheapest month to fly from Madison to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $288. If you aren’t able to travel during the month of October, then book flights to Ontario from Madison during March instead. Flights to Ontario in March, while not as cheap as those in October, still average around $316.

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

The cheapest day to depart on your flight to Ontario is on a Saturday when prices can be found for as low as $351. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Madison to Ontario for around $493.

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

In the afternoon is the cheapest time of day to fly from Madison to Ontario when you can find flight prices for as low as $338. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $493 on average. Flights to Ontario from Madison at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Madison to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Madison to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Madison to Ontario (MSN to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Madison to Ontario

Direct flights

None
There are no direct flights from Madison to Ontario. There are no popular flight routes from Madison to Ontario.
Search flight deals

  • How far is Madison Truax Field to Ontario by plane?

    The distance between Madison Truax Field and Ontario is about 1637.1 mi. In terms of flight time, this usually takes a little over 5h 51m.

  • When did momondo last update prices for flights from Madison Truax Field Airport to Ontario Airport?

    Prices for flights from Madison Truax Field Airport to Ontario Airport are updated daily.

  • How many operators does momondo search for flights from Madison Truax Field Airport to Ontario Airport?

  • How old do you have to be to fly from Madison Truax Field Airport to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Madison Truax Field Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents you'll need for your trip to Ontario 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 Ontario 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 Madison to Ontario?

Best airlines flying from Madison to Ontario

Compare and see reviews for airlines that fly from Madison to Ontario with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $127Free CancellationRating
5.8
3,207 reviews
Search Frontier flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $294Free CancellationRating
7.9
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $313Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Madison to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Madison to Ontario. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Madison to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario from Madison which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Madison to Ontario?

momondo helps you find the best flight between Madison and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Madison to Ontario right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Madison to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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