Cheap Flight Tickets from Milwaukee (MKE) to Ontario (ONT), Starting at $216

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

$621

WN Southwest Airlines • 1 stop • 15h 40m

Jul 22 – Jul 27

The cheapest round trip flight from Milwaukee to Ontario (MKE-ONT-MKE) is currently $621

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Cheapest One way Flight

$216

WN Southwest Airlines • 1 stop • 30h 15m

Jul 22

The cheapest one way flight from Milwaukee to Ontario (MKE-ONT) is currently $216

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Fastest Flight

9h

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

Top Airlines Flying from Milwaukee to Ontario

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

WestJet Airlines

WestJet Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

Aeromexico Airline (AM)

Aeromexico

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.

Jul 22 - Jul 27, Economy
WN
Milwaukee → Ontario
15h 40m
2:40 PM - 10:20 PM • 1 stop
WN
Milwaukee → Ontario
10h
2:30 PM - 10:30 PM • 1 stop
$621
Southwest Airlines
Jul 24 - Jul 24, Economy
WN
Milwaukee → Ontario
10h
6:10 AM - 10:10 AM • 1 stop
WN
Milwaukee → Ontario
15h 45m
9:40 PM - 9:25 AM • 1 stop
$641
Southwest Airlines
Jul 24 - Jul 24, Economy
WN
Milwaukee → Ontario
18h 30m
6:10 AM - 3:20 PM • 2 stops
WN
Milwaukee → Ontario
15h 5m
11:55 PM - 11:00 AM • 1 stop
$647
Southwest Airlines
Jul 24 - Jul 24, Economy
WN
Milwaukee → Ontario
15h 30m
5:15 AM - 12:45 PM • 2 stops
WN
Milwaukee → Ontario
10h 5m
5:15 PM - 1:20 AM • 1 stop
$647
Southwest Airlines
Jul 24 - Jul 24, Economy
WN
Milwaukee → Ontario
12h
10:05 AM - 3:25 PM • 1 stop
WN
Milwaukee → Ontario
18h 40m
9:40 PM - 11:00 AM • 2 stops
$647
Southwest Airlines
Jul 17 - Jul 28, Economy
WN
Milwaukee → Ontario
13h 55m
6:10 AM - 12:45 PM • 1 stop
WN
Milwaukee → Ontario
8h 50m
2:50 PM - 10:20 PM • 1 stop
$689
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 333
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 7:30 pm

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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