Cheap Flight Tickets from Ontario (ONT) to Milwaukee (MKE), Starting at $338

Good to Know: Cheapest and Fastest ONT - MKE Flights

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

Cheapest Round Trip Flight

$338

AA American Airlines • 1 stop •

Jun 26 – Jun 27

The cheapest round trip flight from Ontario to Milwaukee (ONT-MKE-ONT) is currently $338

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Fastest Flight

7h 1m

The fastest nonstop flight from Ontario to Milwaukee (ONT-MKE) takes 7h 1m

Top Airlines Flying from Ontario to Milwaukee

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

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

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

Jun 26 - Jun 27, Economy
AA
Ontario → Milwaukee
- • 1 stop
AA
Ontario → Milwaukee
- • 1 stop
$338
American Airlines
Jun 26 - Jun 27, Economy
AA
Ontario → Milwaukee
23h 54m
7:00 AM - 11:34 PM • 1 stop
AA
Ontario → Milwaukee
10h 33m
7:18 AM - 11:51 AM • 1 stop
$365
American Airlines
Jun 26 - Jun 27, Economy
UA
Ontario → Milwaukee
7h 1m
12:45 AM - 12:06 PM • 1 stop
UA
Ontario → Milwaukee
33h 51m
4:20 AM - 5:51 PM • 1 stop
$629
United Airlines
Jun 26 - Jun 27, Economy
AS
Ontario → Milwaukee
12h 34m
2:05 PM - 11:59 PM • 1 stop
AS
Ontario → Milwaukee
15h 7m
6:02 AM - 1:09 PM • 1 stop
$724
Alaska Airlines
Jun 26 - Jun 27, Economy
AA
Ontario → Milwaukee
10h 26m
1:11 PM - 9:37 PM • 1 stop
AA
Ontario → Milwaukee
17h 12m
1:30 PM - 10:02 PM • 2 stops
$746
American Airlines
Jun 26 - Jun 27, Economy
WN
Ontario → Milwaukee
10h
5:15 PM - 1:15 AM • 1 stop
WN
Ontario → Milwaukee
23h 50m
10:00 AM - 10:30 PM • 2 stops
$779
Southwest Airlines

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

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

FAQs on Ontario to Milwaukee Flights

What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to MKE?
The most popular airline flying from Ontario to Milwaukee are
Can I fly from ONT to MKE non-stop?
NO
Which airlines fly nonstop between Ontario and Milwaukee?
The non-stop flights between Ontario and Milwaukee are .
What’s the earliest departure time from ONT to MKE Airport?
The earliest flight leaves ONT at 12:45 am and lands in MKE - General Mitchell International
What are the airports in Milwaukee?
MKE
Can I make changes to my Ontario to Milwaukee 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 ONT to MKE?
Read the fare rules of the Ontario to Milwaukee 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 Ontario and Milwaukee?
operate flights between Ontario and Milwaukee
How long does a flight from Ontario to Milwaukee take?
It takes approximately 4 hour to fly non-stop from ONT to MKE, which is 1711.86 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Milwaukee (MKE) ?
In the past couple of days, the cheapest tickets to MKE from ONT were found on AA : USD 338
Do I need a passport to fly between ONT and MKE?
No
What’s the latest departure time from ONT to MKE ?
The last flight leaves ONT at 12:000 pm

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

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

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