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$180 Cheap Flights from Ontario Intl. Airport (ONT) to Madison (MSN)

View $180 flight on Sun, Sep 27, 2026Opens in a new window

Popular airlines from Ontario Intl. Airport (ONT) to Dane County Regional Airport (MSN)

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Cheap Flights from Ontario Intl. Airport to Madison (ONT-MSN)

Prices were available within the past 7 days and start at $180 for one-way flights and $350 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Oct 27 - Sun, Nov 1
ONT
Ontario
MSN
Madison
$350 Roundtrip, found 1 day ago
$350
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Oct 27 from Ontario to Madison, returning Sun, Nov 1, priced at $350 found 1 day ago
Frontier Airlines
Sun, Sep 27 - Thu, Oct 1
ONT
Ontario
MSN
Madison
$350 Roundtrip, found 11 hours ago
$350
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Sun, Sep 27 from Ontario to Madison, returning Thu, Oct 1, priced at $350 found 11 hours ago
American Airlines
Tue, Oct 27 - Sun, Nov 1
ONT
Ontario
MSN
Madison
$359 Roundtrip, found 1 day ago
$359
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Oct 27 from Ontario to Madison, returning Sun, Nov 1, priced at $359 found 1 day ago
United
Tue, Nov 17 - Sun, Nov 22
ONT
Ontario
MSN
Madison
$360 Roundtrip, found 2 days ago
$360
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 17 from Ontario to Madison, returning Sun, Nov 22, priced at $360 found 2 days ago
United
Tue, Oct 6 - Sat, Oct 10
ONT
Ontario
MSN
Madison
$364 Roundtrip, found 2 days ago
$364
Roundtrip
found 2 days ago
Select United flight, departing Tue, Oct 6 from Ontario to Madison, returning Sat, Oct 10, priced at $364 found 2 days ago
United
Tue, Oct 27 - Sat, Oct 31
ONT
Ontario
MSN
Madison
$366 Roundtrip, found 11 hours ago
$366
Roundtrip
found 11 hours ago
Select United flight, departing Tue, Oct 27 from Ontario to Madison, returning Sat, Oct 31, priced at $366 found 11 hours ago
Delta
Thu, Oct 29 - Mon, Nov 2
ONT
Ontario
MSN
Madison
$369 Roundtrip, found 3 days ago
$369
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Oct 29 from Ontario to Madison, returning Mon, Nov 2, priced at $369 found 3 days ago
United
Tue, Oct 27 - Sat, Oct 31
ONT
Ontario
MSN
Madison
$371 Roundtrip, found 11 hours ago
$371
Roundtrip
found 11 hours ago
Select United flight, departing Tue, Oct 27 from Ontario to Madison, returning Sat, Oct 31, priced at $371 found 11 hours ago
American Airlines
Thu, Oct 15 - Tue, Oct 20
ONT
Ontario
MSN
Madison
$375 Roundtrip, found 6 hours ago
$375
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Thu, Oct 15 from Ontario to Madison, returning Tue, Oct 20, priced at $375 found 6 hours ago
Alaska Airlines
Wed, Oct 21 - Sat, Oct 24
ONT
Ontario
MSN
Madison
$617 Roundtrip, found 1 day ago
$617
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Oct 21 from Ontario to Madison, returning Sat, Oct 24, priced at $617 found 1 day ago

Alternative airports near Madison

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dane County Regional MSN. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $649
MSN
Dane County Regional
CheapestClosest
Average driving time to city center11 min
Flights from $649

What you need to know for your flight from Ontario Intl. Airport to Dane County Regional

Ontario (ONT) to Madison (MSN) at a glance

Explore a range of options for flights from Ontario (ONT) to Madison (MSN) on this domestic short-haul route. You can choose between full-service and budget airlines to find the best fit for your travel plans, budget, and schedule. Whether you're eager to experience Madison's iconic attractions or vibrant neighborhoods, you’ll find the key details you need for your journey from Ontario International Airport to Dane County Regional Airport.

  • Fastest flight duration: around 6 hours non-stop
  • Route distance: roughly 1,600 miles (2,570 km)
  • Flights per week: around 9 departures on average
  • Typical fares (one-way): economy tickets often range from $145–$480, depending on seasonality and how far ahead you book

Flights from Los Angeles - Ontario International Airport (ONT) to Dane County Regional Airport (MSN)

Explore the top airlines favored by travelers flying from Ontario to Madison, with options for both non-stop and one-stop flights. Common layover spots include Sky Harbor International Airport, PHX (approximately 1 hour and 30 minutes), Dallas-Fort Worth International Airport, DFW (around 2 hours and 45 minutes), and Denver International Airport, DEN (about 1 hour and 45 minutes). These choices provide the flexibility to balance price, total travel time, and cabin class, helping you craft the ideal itinerary for your journey.

  • American Airlines: This full-service airline provides one-stop service with one-way fares generally falling between $145 and $505. It operates about 59% of departures on this route, featuring an in-flight duration of approximately 4 hours and 45 minutes, leading to a total travel time of around 6 hours and 15 minutes, including layover time.
  • United: Offering both non-stop and one-stop options, this full-service carrier has one-way fares typically priced between $145 and $475. United accounts for roughly 32% of departures on this route, with a standard journey time of 4 hours and 45 minutes in the air, totaling about 6 hours and 15 minutes, including layovers.
  • Frontier Airlines: As a low-cost option, Frontier provides one-stop flights with one-way fares usually ranging from $145 to $345. This airline makes up approximately 5% of departures on the route, with an in-flight time of 4 hours and 45 minutes, contributing to a total journey duration of around 6 hours and 15 minutes, factoring in layover time.
  • Delta: Delta operates as a full-service airline offering one-stop service, with one-way fares commonly between $145 and $345. Approximately 4% of departures on this route are handled by Delta, with an in-flight duration of about 4 hours and 45 minutes, leading to a total travel time of roughly 6 hours and 15 minutes, including layover time.

Best time to fly from Ontario (ONT) to Madison (MSN)

The most popular months for travelers flying from Ontario to Madison are January, March, and August, when peak temperatures in Madison reach up to 69.8°F in August. If you prefer quieter travel, consider June, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 67.6°F. For better deals, August usually offers the lowest average one-way fare around $234. Flight availability peaks in August, with approximately 14 flights per week, making it easier to find convenient departure times. January, February, and April have the fewest flights, with approximately 8 flights per week.

  • Cheapest time to fly: August usually offers good deals with average one-way fare around $234, roughly 17% cheaper than the yearly average.
  • More budget-friendly months to fly: December and October typically offer average one-way fares of around $254.
  • Most flight options: August has the highest number of flights from Ontario to Madison, with approximately 14 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January18.7°F (-7.4°C)High8$269
February20.7°F (-6.3°C)Average8$276
March34.7°F (1.5°C)High9$288
April45.3°F (7.4°C)Average8$278
May57.9°F (14.4°C)Low9$360
June67.6°F (19.8°C)Low9$280
July71.6°F (22.0°C)Average11$303
August69.8°F (21.0°C)High14$234
September62.8°F (17.1°C)Low9$344
October50.0°F (10.0°C)Average10$255
November37.0°F (2.8°C)Average9$280
December26.6°F (-3.0°C)Average10$254

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Ontario (ONT) to Madison (MSN)

  • Orange County to Madison (SNA-MSN): John Wayne Airport (SNA) is approximately 31 miles from Los Angeles - Ontario International Airport (ONT). One-way economy ticket prices on this route generally fall between $120 and $515, varying based on the season and how far in advance you book. Flights are usually offered as one-stop journeys, with common layover points at Sky Harbor International Airport (PHX) and Denver International Airport (DEN). The leading airlines for this route include American Airlines and United.
  • Ontario to Appleton (ONT-ATW): Appleton International Airport (ATW) is about 88 miles from Dane County Regional Airport (MSN). One-way economy fares for this journey typically range from $145 to $505, influenced by seasonal demand and booking timing. This route features both one-stop and multi-stop flight options, with popular layover locations at O'Hare International Airport (ORD) and Hartsfield-Jackson Atlanta International Airport (ATL). Major carriers for this route are United and American Airlines, and first-class service is also offered.

How to find the best prices for flights from Ontario (ONT) to Madison (MSN)

Getting some of the best deals on flights from Ontario to Madison is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically found when booking 2 to 8 weeks in advance, which coincides with when most travelers make their reservations. Morning departures, between 5 a.m. and 12 p.m., tend to offer lower prices and are also popular. Additionally, flying on Sunday generally yields cheaper prices, while Thursday remains the most popular travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Dane County Regional Airport from Los Angeles - Ontario International Airport

Madison welcomes travelers from Ontario with a range of transport options based on price, convenience, and proximity. Here's how to reach Madison efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Madison, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Dane County Regional Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Dane County Regional Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Dane County Regional Airport, Madison Station, a train station, is located about 7.2 miles away by car, while Madison Dutch Mill Park and Ride, a bus station, is situated approximately 9.2 miles from the airport, also accessible by car.

Frequently asked questions

How much does a flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Madison, WI (MSN-Dane County Regional) cost?
You can find cheap one-way flights from $180 and cheap return flights from $350 Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Madison, WI (MSN-Dane County Regional) with Expedia. One-way flights usually range from $224 to $1032, and return flights typically cost between $431 and $1433. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Madison, WI (MSN-Dane County Regional) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Madison, WI (MSN-Dane County Regional)?
The cheapest month to fly from ONT to MSN is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Madison, WI (MSN-Dane County Regional)?
Enter ONT to MSN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Madison, WI (MSN-Dane County Regional)?
American Airlines is one of the cheapest airlines offering connecting flights from Ontario, CA (ONT) to Madison, WI (MSN), with round-trip tickets starting from around $288 with a layover in Phoenix (PHX). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Madison, WI (MSN-Dane County Regional)?
To find a cheap flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Madison, WI (MSN-Dane County Regional), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Madison, WI (MSN-Dane County Regional)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Madison, WI (MSN-Dane County Regional)?
The earliest flight from Ontario International (ONT) to Dane County Regional (MSN) typically departs at around 12:55 AM. This seasonal service operates in November, giving you the chance to arrive in Madison early and enjoy a full day ahead. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Madison, WI (MSN-Dane County Regional)?
The most popular departure times for flights from Ontario, CA (ONT) to Madison, WI (MSN) are in the early morning, from 6am to 9am. About 38% of passengers prefer this time window. Many major carriers, including AA and UA, offer flights during this window. This timing works well because it lets you maximize your day in Madison after arriving in the morning.
How long does it take to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Madison, WI (MSN-Dane County Regional)?
Flying from ONT to MSN with a connection usually takes about 6 hours, traveling roughly 1,639 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Madison, WI (MSN-Dane County Regional)?
First class seats are offered on the ONT to MSN route. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Madison, WI (MSN-Dane County Regional) flight with Expedia?
It's easy to earn miles on a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Madison, WI (MSN-Dane County Regional) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Madison from Los Angeles - Ontario Intl. (ONT)?
From Los Angeles - Ontario Intl. (ONT), you can fly into Dane County Regional (MSN) to reach Madison. Some flights may connect through major hubs like San Francisco Intl. (SFO), Denver Intl. (DEN), Seattle - Tacoma Intl. (SEA) before reaching Madison. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Madison, WI (MSN-Dane County Regional) at the last minute?
Typically, booking a last minute flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Madison, WI (MSN-Dane County Regional) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Madison, WI (MSN-Dane County Regional) flight and hotel package?
Securing a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Madison, WI (MSN-Dane County Regional) Madison Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Madison, WI (MSN-Dane County Regional)?
If you booked your Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Madison, WI (MSN-Dane County Regional) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Ontario Intl. Airport
Destination airport
Dane County Regional
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$349
Distance
1638 mi

Book with confidence

Ontario Intl. Airport to Madison Flights

The cheapest times to fly from Ontario Intl. Airport to Madison

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ontario Intl. Airport to Madison are during the month of October. You can find some of the cheapest flights from Ontario Intl. Airport to Madison with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ontario Intl. Airport to Madison

Sunday is one of the best days to book for cheap flights from Ontario Intl. Airport to Madison: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ontario Intl. Airport to Madison

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ontario Intl. Airport to Madison in 2026. You can also book with separate airlines for your outbound and return journeys, from $180 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ontario Intl. Airport to Madison flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ontario Intl. Airport to Madison airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Ontario Intl. Airport to Madison Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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