Cheap Flight Tickets from Milwaukee (MKE) to Ontario (ONT), Starting at $570

Good to Know: Cheapest and Fastest MKE - ONT Flights

Useful information for finding best airline tickets from General Mitchell International to Ontario International on your next trip.

Cheapest Round Trip Flight

$570

WN Southwest Airlines • 1 stop • 9h 5m

Oct 10 – Oct 17

The cheapest round trip flight from Milwaukee to Ontario (MKE-ONT-MKE) is currently $570

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Fastest Flight

9h 5m

The fastest nonstop flight from Milwaukee to Ontario (MKE-ONT) takes 9h 5m

Top Airlines Flying from Milwaukee to Ontario

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Latest Flight Deals from Milwaukee (MKE) to Ontario (ONT)

Compare and book low fare round-trip air tickets from Milwaukee to Ontario. Ideal for travelers with confirmed return itineraries.

Oct 10 - Oct 17, Economy
WN
Milwaukee → Ontario
9h 5m
5:00 PM - 8:45 PM • 1 stop
WN
Milwaukee → Ontario
11h 40m
6:00 AM - 3:00 PM • 1 stop
$570
Southwest Airlines
Oct 10 - Oct 17, Economy
WN
Milwaukee → Ontario
10h
5:00 AM - 9:00 AM • 1 stop
WN
Milwaukee → Ontario
10h 30m
3:45 PM - 12:15 AM • 1 stop
$570
Southwest Airlines
Oct 10 - Oct 17, Economy
WN
Milwaukee → Ontario
10h 10m
1:50 PM - 6:00 PM • 1 stop
WN
Milwaukee → Ontario
18h 30m
11:05 AM - 12:15 AM • 1 stop
$570
Southwest Airlines
Oct 10 - Oct 17, Economy
WN
Milwaukee → Ontario
13h 30m
5:00 AM - 11:10 AM • 1 stop
WN
Milwaukee → Ontario
11h 40m
6:00 AM - 3:00 PM • 1 stop
$570
Southwest Airlines
Oct 10 - Oct 17, Economy
WN
Milwaukee → Ontario
10h 40m
5:40 AM - 10:20 AM • 1 stop
WN
Milwaukee → Ontario
10h 45m
5:25 AM - 2:10 PM • 1 stop
$570
Southwest Airlines
Oct 10 - Oct 17, Economy
WN
Milwaukee → Ontario
19h
6:20 AM - 4:00 PM • 1 stop
WN
Milwaukee → Ontario
8h 50m
5:40 AM - 1:10 PM • 1 stop
$570
Southwest Airlines

Fly from Milwaukee to Ontario with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Milwaukee to Ontario? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Milwaukee to Ontario Flights

What are the airports in Milwaukee?
MKE
What’s the most popular airline flying from MKE to ONT?
The most popular airline flying from Milwaukee to Ontario are
Can I fly from MKE to ONT non-stop?
NO
Which airlines fly nonstop between Milwaukee and Ontario?
The non-stop flights between Milwaukee and Ontario are .
What’s the earliest departure time from MKE to ONT Airport?
The earliest flight leaves MKE at 5:00 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Milwaukee to Ontario flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from MKE to ONT?
Read the fare rules of the Milwaukee to Ontario air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Milwaukee and Ontario?
operate flights between Milwaukee and Ontario
How long does a flight from Milwaukee to Ontario take?
It takes approximately 4 hour to fly non-stop from MKE to ONT, which is 1711.86 miles by air.
Which airlines provide the cheapest flights from Milwaukee (MKE) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from MKE were found on WN : USD 570
Do I need a passport to fly between MKE and ONT?
No
What’s the latest departure time from MKE to ONT ?
The last flight leaves MKE at 5:00 pm

Essential Information for Booking Flights from Milwaukee (MKE) - AI Insights

What's the cheapest airline from mke to ont?
For a round-trip business class ticket from General Mitchell International Airport (mke) to Ontario International Airport (ont) with one stop, consider booking with Southwest Airlines (WN) at least 3 days in advance to secure the best budget-friendly flights. You can find Low Fares on their website.
What's the popular airline to fly from mke to ont?
Southwest Airlines offers a popular option for flights from General Mitchell International Airport (mke) to Ontario International Airport (ont) with a round-trip journey. Business class passengers can enjoy priority check-in, lounge access, and flatbed seats. Booking in advance can help secure the best airfares. For a budget-friendly flight experience, consider Southwest Airlines.
What's the cheapest day of the week to fly from mke to ont?
The cheapest day to fly from General Mitchell International Airport (mke) to Ontario International Airport (ont) is Sunday. This is based on historical data, which suggests that Sunday is typically the cheapest day to fly for round-trip Business class tickets. Booking in advance, with at least 3 days prior to your trip, can also help secure the best rates. Low fares are available on flights from mke to ont, especially when booking for the weekend or off-peak travel periods.
What's the cheapest month to fly from mke to ont?
The cheapest month to fly from General Mitchell International Airport (mke) to Ontario International Airport (ont) is October, as it tends to offer lower airfares for round-trip Business class flights with one stop. You can find budget-friendly flights during this period to accommodate your group of 6 passengers.
Which airline/airlines fly from mke to ont?
The airlines that fly from General Mitchell International Airport (mke) to Ontario International Airport (ont) include Alaska Airlines (AS), Southwest Airlines (WN), Delta Airlines (DL), American Airlines (AA), and United Airlines (UA).
What are the cheapest flights from General Mitchell International Airport (MKE) to Ontario International Airport (ONT)?
You can find the cheapest flights from MKE to ONT on FareLeaders.com, the leading airfare comparison platform. Southwest Airlines is currently offering the cheapest fares for this route.
How can I book the best fares for my round trip from MKE to ONT?
To book the best fares for your round trip, visit FareLeaders.com and use our advanced search feature to compare airfares from various airlines, including Alaska Airlines, Delta Airlines, and United Airlines.
What is the process for advance booking for flights with airlines?
Advance booking for flights typically opens 3 months in advance. For your round trip from MKE to ONT, you can start booking flights 3 months prior to your trip date.
Can I find cheap airfare options on your website?
Yes, you can find cheap airfare options on FareLeaders.com. Our website offers a vast selection of flights from various airlines, including Southwest Airlines and Alaska Airlines.
How do I search for flights with specific airline names?
To search for flights with specific airline names, use our advanced search feature on FareLeaders.com and select the airline from the dropdown menu.
What is the difference between business and economy class on flights?
Business class offers premium service with priority, lounge access, and flatbed seats, while economy class provides standard seating. On your round trip from MKE to ONT, you can choose between these two classes.
Can I book flights with a specific agency or travel agency?
No, you cannot book flights directly with an agency or travel agency. However, you can use our website to compare airfares and book flights with various airlines.
How do I find the cheapest flights for my next trip?
To find the cheapest flights for your next trip, use our advanced search feature on FareLeaders.com and compare airfares from various airlines.
Can I book flights online or do I need to visit an agency?
You can book flights online on FareLeaders.com. Simply select your travel dates, destinations, and preferred airlines, and book your flights.
What is the best way to compare airfares and find the cheapest flights?
The best way to compare airfares and find the cheapest flights is to use our advanced search feature on FareLeaders.com. Our website offers a vast selection of flights from various airlines, including Southwest Airlines and Alaska Airlines.

Milwaukee (MKE) to Ontario (ONT): Airport Information

Origin Airport General Mitchell International , Milwaukee, US
Destination Airport Ontario International , Ontario, US
Distance 1712 miles

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