$184 Cheap United flights Ontario (ONT) to Madison (MSN)

View $184 flight on Tue, Jan 20, 2026Opens in a new window

$184 Cheap United flights Ontario (ONT) to Madison (MSN)

Prices were available within the past 7 days and start at $184 for one-way flights and $284 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jan 7 - Sat, Jan 10
ONT
Ontario
MSN
Madison
$284 Roundtrip, found 1 day ago
$284
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jan 7 from Ontario to Madison, returning Sat, Jan 10, priced at $284 found 1 day ago
United
Wed, Jan 7 - Sat, Jan 10
ONT
Ontario
MSN
Madison
$290 Roundtrip, found 1 day ago
$290
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jan 7 from Ontario to Madison, returning Sat, Jan 10, priced at $290 found 1 day ago
United
Wed, Dec 31 - Sat, Jan 10
ONT
Ontario
MSN
Madison
$294 Roundtrip, found 2 days ago
$294
Roundtrip
found 2 days ago
Select United flight, departing Wed, Dec 31 from Ontario to Madison, returning Sat, Jan 10, priced at $294 found 2 days ago
United
Fri, Feb 13 - Sun, Feb 15
ONT
Ontario
MSN
Madison
$308 Roundtrip, just found
$308
Roundtrip
just found
Select United flight, departing Fri, Feb 13 from Ontario to Madison, returning Sun, Feb 15, priced at $308 just found
United
Wed, Dec 31 - Sat, Jan 10
ONT
Ontario
MSN
Madison
$313 Roundtrip, found 2 days ago
$313
Roundtrip
found 2 days ago
Select United flight, departing Wed, Dec 31 from Ontario to Madison, returning Sat, Jan 10, priced at $313 found 2 days ago
United
Thu, Mar 19 - Wed, Mar 25
ONT
Ontario
MSN
Madison
$323 Roundtrip, found 6 days ago
$323
Roundtrip
found 6 days ago
Select United flight, departing Thu, Mar 19 from Ontario to Madison, returning Wed, Mar 25, priced at $323 found 6 days ago
Flights from Ontario (ONT) to Madison (MSN)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Dane County Regional
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Popular airline
American Airlines
Distance
1638 mi

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Frequently asked questions

How much is a United Airlines flight from Los Angeles - Ontario Intl. Airport (ONT) to Dane County Regional Airport (MSN)?
Use the "Price (lowest to highest)" filter on Expedia to find cheap United Airlines return flights from $284 from ONT to MSN. Affordable one-way options from $184 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from ONT to MSN with United Airlines?
Look for one-way or return flights to Madison in January or December. You could find a cheap fare with United Airlines during these off-peak travel months.
What is the cheapest time to book flights from Los Angeles - Ontario Intl. Airport (ONT) to Dane County Regional Airport (MSN) with United Airlines?
Look for cheap United Airlines flights from Los Angeles - Ontario Intl. Airport (ONT) to Dane County Regional Airport (MSN) one to three months ahead of your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and itinerary, the best day of the week to book a domestic flight is usually Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Los Angeles - Ontario Intl. Airport (ONT) to Dane County Regional Airport (MSN)?
Enter your dates, click search and select the "Nonstop" filter on Expedia to find any direct flights from ONT to MSN with United Airlines or other airlines.
What is the earliest United Airlines flight from ONT to MSN?
To find the earliest departures from ONT to MSN with United Airlines, sort your results by "Morning" and "Early Morning." Choosing an early flight generally means you'll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Madison?
Dane County Regional Airport (MSN) is the main Madison hub for United Airlines flights from Los Angeles - Ontario Intl. Airport (ONT).
Why fly with United Airlines from ONT to MSN?
A rewarding loyalty program and the chance to rack up points through United Mileage Plus are the start of the reasons to depart from ONT to MSN with United Airlines. Plus, when you join Expedia's free One Key™ program, you can receive OneKeyCash™* on top of United Airlines's loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Los Angeles - Ontario Intl. Airport (ONT) to Dane County Regional Airport (MSN)?
Depending on your ticket type, a fee will generally apply if you change or cancel your flight more than 24 hours after it's confirmed. To secure flexible fares, select our "Changes included" or "No cancel fee" filter when looking for flights. For additional information on canceling or modifying your reservation, visit "Trips," select your flight and click on "Manage Booking."

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*Available to One Key members.