Cheap Flight Tickets from Milwaukee (MKE) to Ontario (ONT), Starting at $520

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

$520

WN Southwest Airlines • 1 stop • 20h 25m

Sep 28 – Oct 02

The cheapest round trip flight from Milwaukee to Ontario (MKE-ONT-MKE) is currently $520

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Fastest Flight

13h 39m

The fastest nonstop flight from Milwaukee to Ontario (MKE-ONT) takes 13h 39m

Top Airlines Flying from Milwaukee to Ontario

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

Alaska Airlines -AS

Alaska 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.

Sep 28 - Oct 02, Economy
WN
Milwaukee → Ontario
20h 25m
5:45 AM - 4:10 PM • 1 stop
WN
Milwaukee → Ontario
15h 5m
1:05 PM - 12:10 AM • 1 stop
$520
Southwest Airlines
Sep 28 - Oct 02, Economy
WN
Milwaukee → Ontario
20h 25m
5:45 AM - 4:10 PM • 1 stop
WN
Milwaukee → Ontario
13h 45m
5:30 AM - 3:55 PM • 2 stops
$526
Southwest Airlines
Sep 28 - Oct 02, Economy
UA
Milwaukee → Ontario
13h 39m
2:39 PM - 8:58 PM • 1 stop
UA
Milwaukee → Ontario
10h 2m
11:05 PM - 7:07 AM • 1 stop
$627
United Airlines
Sep 28 - Oct 02, Economy
AS
Milwaukee → Ontario
17h 27m
11:37 AM - 8:24 PM • 2 stops
AS
Milwaukee → Ontario
21h 48m
7:59 PM - 11:07 AM • 2 stops
$767
Alaska Airlines
Sep 28 - Oct 02, Economy
AS
Milwaukee → Ontario
18h 33m
5:03 AM - 2:16 PM • 2 stops
AS
Milwaukee → Ontario
21h 48m
7:59 PM - 11:07 AM • 2 stops
$840
Alaska Airlines
Sep 28 - Oct 02, Economy
AS
Milwaukee → Ontario
20h 6m
1:18 PM - 11:24 PM • 2 stops
AS
Milwaukee → Ontario
21h 48m
7:59 PM - 11:07 AM • 2 stops
$941
Alaska 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 5:03 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 520
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 2:39 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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