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Cheap flights from Madison to Los Angeles from $127

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 8/16. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Madison to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:55 pm - 11:55 pm
MSN
-
ONT
6h 00m
1 stop
Frontier Logo
6:00 am - 7:10 pm
ONT
-
MSN
11h 10m
1 stop
$254Frontier
Thu, Sep 3 - Sun, Sep 6
Frontier Logo
7:55 pm - 11:50 pm
MSN
-
ONT
5h 55m
1 stop
Frontier Logo
10:49 am - 7:10 pm
ONT
-
MSN
6h 21m
1 stop
$257Frontier
Tue, Jul 14 - Tue, Aug 4
Frontier Logo
7:55 pm - 10:04 am
MSN
-
ONT
16h 09m
1 stop
Frontier Logo
10:50 am - 7:09 pm
ONT
-
MSN
6h 19m
1 stop
$264Frontier
Tue, Aug 11 - Tue, Aug 25
Frontier Logo
7:55 pm - 11:50 pm
MSN
-
ONT
5h 55m
1 stop
Frontier Logo
10:49 am - 7:10 pm
ONT
-
MSN
6h 21m
1 stop
$272Frontier
Thu, Jul 30 - Tue, Aug 4
Frontier Logo
7:55 pm - 11:50 pm
MSN
-
ONT
5h 55m
1 stop
Frontier Logo
10:49 am - 7:10 pm
ONT
-
MSN
6h 21m
1 stop
$282Frontier
Tue, Jul 21 - Tue, Jul 28
Frontier Logo
7:55 pm - 10:04 am
MSN
-
ONT
16h 09m
1 stop
Frontier Logo
10:49 am - 7:10 pm
ONT
-
MSN
6h 21m
1 stop
$285Frontier
Tue, Jul 14 - Thu, Jul 16
Frontier Logo
7:55 pm - 11:50 pm
MSN
-
ONT
5h 55m
1 stop
Frontier Logo
10:49 am - 7:10 pm
ONT
-
MSN
6h 21m
1 stop
$290Frontier
Tue, Jul 14 - Thu, Jul 30
Frontier Logo
7:55 pm - 11:50 pm
MSN
-
ONT
5h 55m
1 stop
Frontier Logo
7:56 pm - 7:10 pm
ONT
-
MSN
21h 14m
1 stop
$295Frontier
Tue, Jul 14 - Sat, Aug 29
Frontier Logo
7:55 pm - 11:55 pm
MSN
-
ONT
6h 00m
1 stop
Frontier Logo
6:00 am - 7:10 pm
ONT
-
MSN
11h 10m
1 stop
$309Frontier
Thu, Aug 20 - Sun, Aug 23
Frontier Logo
7:55 pm - 11:50 pm
MSN
-
ONT
5h 55m
1 stop
Frontier Logo
10:49 am - 7:10 pm
ONT
-
MSN
6h 21m
1 stop
$312Frontier
Tue, Jul 14 - Tue, Aug 4

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Delta flights from Madison to Ontario

Our best Delta deals on Madison to Ontario flight tickets
Delta
Sep 16
MSN6:00 amMadison Truax Field
7h 07m
1 stop
ONT11:07 amOntario
Sep 22
ONT12:17 pmOntario
8h 36m
1 stop
MSN10:53 pmMadison Truax Field
$331
Delta
Sep 16
MSN2:55 pmMadison Truax Field
10h 42m
2 stops
ONT11:37 pmOntario
Sep 22
ONT6:00 pmOntario
12h 22m
2 stops
MSN8:22 amMadison Truax Field
$372
Delta
Oct 17
MSN11:11 amMadison Truax Field
9h 07m
1 stop
ONT6:18 pmOntario
Oct 23
ONT10:59 pmOntario
12h 56m
2 stops
MSN1:55 pmMadison Truax Field
$376

Frontier flights from Madison to Ontario

Our best Frontier deals on Madison to Ontario flight tickets
Frontier
Sep 3
MSN7:55 pmMadison Truax Field
6h 00m
1 stop
ONT11:55 pmOntario
Sep 6
ONT6:00 amOntario
11h 10m
1 stop
MSN7:10 pmMadison Truax Field
$254
Frontier
Jul 14
MSN7:55 pmMadison Truax Field
5h 55m
1 stop
ONT11:50 pmOntario
Aug 4
ONT10:49 amOntario
6h 21m
1 stop
MSN7:10 pmMadison Truax Field
$257
Frontier
Aug 11
MSN7:55 pmMadison Truax Field
16h 09m
1 stop
ONT10:04 amOntario
Aug 25
ONT10:50 amOntario
6h 19m
1 stop
MSN7:09 pmMadison Truax Field
$264

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 June 22, 2026.
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

Cheapest round-trip

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Thu 9/3

7:55 pm-11:55 pm

1 stop6h 00m

Ontario

Sun 9/6

6:00 am-7:10 pm

1 stop11h 10m

$254
Quickest round-trip

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Tue 7/14

7:55 pm-11:50 pm

1 stop5h 55m

Ontario

Tue 8/4

10:49 am-7:10 pm

1 stop6h 21m

$257

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Tue 8/11

7:55 pm-10:04 am

1 stop16h 09m

Ontario

Tue 8/25

10:50 am-7:09 pm

1 stop6h 19m

$264

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Thu 7/30

7:55 pm-11:50 pm

1 stop5h 55m

Ontario

Tue 8/4

10:49 am-7:10 pm

1 stop6h 21m

$272

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Tue 7/21

7:55 pm-11:50 pm

1 stop5h 55m

Ontario

Tue 7/28

10:49 am-7:10 pm

1 stop6h 21m

$282

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Tue 7/14

7:55 pm-10:04 am

1 stop16h 09m

Ontario

Thu 7/16

10:49 am-7:10 pm

1 stop6h 21m

$285

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Tue 7/14

7:55 pm-11:50 pm

1 stop5h 55m

Ontario

Thu 7/30

10:49 am-7:10 pm

1 stop6h 21m

$290

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Tue 7/14

7:55 pm-11:50 pm

1 stop5h 55m

Ontario

Sat 8/29

7:56 pm-7:10 pm

1 stop21h 14m

$295

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Thu 8/20

7:55 pm-11:55 pm

1 stop6h 00m

Ontario

Sun 8/23

6:00 am-7:10 pm

1 stop11h 10m

$309

MadisonOntario

MSN - ONT

MSNONT

Madison Truax Field

Tue 7/14

7:55 pm-11:50 pm

1 stop5h 55m

Ontario

Tue 8/4

10:49 am-7:10 pm

1 stop6h 21m

$312

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 typical price of a round-trip flight between Madison and Ontario?

What is the cheapest month to fly to Ontario?

In general, January 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 $333. If you aren’t able to travel during the month of January, then book flights to Ontario from Madison during November instead. Flights to Ontario in November, while not as cheap as those in January, still average around $379.

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

Fastest flight time

5h 50m

Direct flights

None
The fastest flight from Madison to Ontario takes 5h 50m
There are no direct flights from Madison to Ontario. There are no popular flight routes from Madison to Ontario.
Search flight deals

Frequently asked questions about flying from Madison to Ontario

  • 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
United AirlinesPriceFrom $318Free CancellationRating
7.4
9,875 reviews
Search United Airlines flights
American AirlinesPriceFrom $333Free CancellationRating
7.1
11,739 reviews
Search American 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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