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Cheap flights from Madison to Los Angeles 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 Madison to Los Angeles departing on 10/31. 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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Cheap round-trip flights

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Frontier Logo
8:00 pm - 11:50 pmMSN-ONT
5h 50m1 stop
Frontier Logo
6:53 am - 7:15 pmONT-MSN
10h 22m1 stop
$278Frontier
Find Deal
Fri, Nov 14 - Mon, Nov 17
United Airlines Logo
4:20 pm - 8:58 pmMSN-ONT
6h 38m1 stop
United Airlines Logo
1:20 pm - 9:20 pmONT-MSN
6h 00m1 stop
$284United Airlines
Find Deal
Sat, Feb 7 - Wed, Feb 11
American Airlines Logo
7:24 am - 12:03 pmMSN-ONT
6h 39m1 stop
American Airlines Logo
11:59 pm - 10:30 amONT-MSN
8h 31m1 stop
$289American Airlines
Find Deal
Fri, Nov 14 - Sun, Nov 16
United Airlines Logo
4:20 pm - 8:58 pmMSN-ONT
6h 38m1 stop
United Airlines Logo
5:00 am - 7:08 pmONT-MSN
12h 08m2 stops
$294United Airlines
Find Deal
Sat, Feb 7 - Sat, Feb 14
Frontier Logo
8:00 pm - 11:10 amMSN-ONT
17h 10m1 stop
Frontier Logo
1:46 pm - 7:15 pmONT-MSN
27h 29m2 stops
$298Frontier
Find Deal
Fri, Nov 14 - Sun, Nov 16
Delta Logo
1:30 pm - 11:04 pmMSN-ONT
11h 34m2 stops
Delta Logo
10:25 pm - 12:45 pmONT-MSN
12h 20m2 stops
$299Delta
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Fri, Nov 14 - Mon, Nov 17
Frontier Logo
3:00 pm - 11:59 pmMSN-ONT
10h 59m1 stop
Frontier Logo
6:00 am - 3:39 pmONT-MSN
31h 39m2 stops
$303Frontier
Find Deal
Wed, Dec 24 - Mon, Dec 29
Frontier Logo
8:00 pm - 11:50 pmMSN-ONT
5h 50m1 stop
Frontier Logo
6:53 am - 7:15 pmONT-MSN
10h 22m1 stop
$322Frontier
Find Deal
Thu, Nov 6 - Mon, Nov 10
Delta Logo
5:14 pm - 11:04 pmMSN-ONT
7h 50m1 stop
Delta Logo
5:49 pm - 10:15 amONT-MSN
14h 26m2 stops
$329Delta
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Wed, Dec 3 - Mon, Dec 8
American Airlines Logo
11:23 am - 6:20 pmMSN-ONT
8h 57m2 stops
American Airlines Logo
6:46 am - 5:30 pmONT-MSN
8h 44m2 stops
$349American Airlines
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Sat, Feb 7 - Sat, Feb 14

Delta flights from Madison to Ontario

Our best Delta deals on Madison to Ontario flight tickets
Delta
Nov 14
MSN1:30 pmMadison Truax Field
11h 34m
2 stops
ONT11:04 pmOntario
Nov 17
ONT10:25 pmOntario
12h 20m
2 stops
MSN12:45 pmMadison Truax Field
$299
Find similar
Delta
Dec 3
MSN5:14 pmMadison Truax Field
7h 50m
1 stop
ONT11:04 pmOntario
Dec 8
ONT5:49 pmOntario
14h 26m
2 stops
MSN10:15 amMadison Truax Field
$329
Find similar
Delta
Dec 3
MSN1:35 pmMadison Truax Field
11h 29m
2 stops
ONT11:04 pmOntario
Dec 8
ONT10:25 pmOntario
12h 17m
2 stops
MSN12:42 pmMadison Truax Field
$334
Find similar

United Airlines flights from Madison to Ontario

Our best United Airlines deals on Madison to Ontario flight tickets
United Airlines
Feb 7
MSN4:20 pmMadison Truax Field
6h 38m
1 stop
ONT8:58 pmOntario
Feb 11
ONT1:20 pmOntario
6h 00m
1 stop
MSN9:20 pmMadison Truax Field
$284
Find similar
United Airlines
Feb 7
MSN4:20 pmMadison Truax Field
6h 38m
1 stop
ONT8:58 pmOntario
Feb 14
ONT5:00 amOntario
12h 08m
2 stops
MSN7:08 pmMadison Truax Field
$294
Find similar
United Airlines
Nov 22
MSN5:38 pmMadison Truax Field
6h 53m
1 stop
ONT10:31 pmOntario
Nov 29
ONT7:00 amOntario
8h 50m
1 stop
MSN5:50 pmMadison Truax Field
$340
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 October 23, 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

Fri 11/14

8:00 pm-11:50 pm

1 stop5h 50m

Ontario

Mon 11/17

6:53 am-7:15 pm

1 stop10h 22m

$278

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Sat 2/7

4:20 pm-8:58 pm

1 stop6h 38m

Ontario

Wed 2/11

1:20 pm-9:20 pm

1 stop6h 00m

$284

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Fri 11/14

7:24 am-12:03 pm

1 stop6h 39m

Ontario

Sun 11/16

11:59 pm-10:30 am

1 stop8h 31m

$289

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Sat 2/7

4:20 pm-8:58 pm

1 stop6h 38m

Ontario

Sat 2/14

5:00 am-7:08 pm

2 stops12h 08m

$294

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Fri 11/14

8:00 pm-11:10 am

1 stop17h 10m

Ontario

Sun 11/16

1:46 pm-7:15 pm

2 stops27h 29m

$298

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Fri 11/14

1:30 pm-11:04 pm

2 stops11h 34m

Ontario

Mon 11/17

10:25 pm-12:45 pm

2 stops12h 20m

$299

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Wed 12/24

3:00 pm-11:59 pm

1 stop10h 59m

Ontario

Mon 12/29

6:00 am-3:39 pm

2 stops31h 39m

$303

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Thu 11/6

8:00 pm-11:50 pm

1 stop5h 50m

Ontario

Mon 11/10

6:53 am-7:15 pm

1 stop10h 22m

$322

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Wed 12/3

5:14 pm-11:04 pm

1 stop7h 50m

Ontario

Mon 12/8

5:49 pm-10:15 am

2 stops14h 26m

$329

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Sat 2/7

11:23 am-6:20 pm

2 stops8h 57m

Ontario

Sat 2/14

6:46 am-5:30 pm

2 stops8h 44m

$349

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, March 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 $316. If you aren’t able to travel during the month of March, then book flights to Ontario from Madison during November instead. Flights to Ontario in November, while not as cheap as those in March, still average around $338.

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 50m.

  • 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
American AirlinesPriceFrom $294Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights
United AirlinesPriceFrom $318Free CancellationRating
7.4
8,995 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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