Find Cheap Flights from Ontario to Milwaukee-Mitchell (ONT - MKE)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Ontario to Milwaukee-Mitchell

(Round-trip)
Depart: Wed Sep 13 2017 Return: Wed Sep 20 2017 Trip spans 8 days
United
United
ONT
1:45a
MKE
7:24a
5h 39m
1 stop
MKE
11:05a
ONT
6:40p
7h 35m
1 stop
Depart: Sat Oct 28 2017 Return: Tue Oct 31 2017 Trip spans 4 days
American Airlines
American Airlines
ONT
10:20a
MKE
4:42p
6h 22m
1 stop
MKE
3:05a
ONT
11:26a
8h 21m
1 stop
Depart: Fri Aug 25 2017 Return: Sun Sep 3 2017 Trip spans 10 days
Delta
Delta
ONT
2:27p
MKE
3:55a
13h 28m
2 stops
MKE
5:20a
ONT
7:32p
14h 12m
2 stops
Depart: Thu Sep 14 2017 Return: Tue Sep 19 2017 Trip spans 6 days
United
United
ONT
9:35a
MKE
3:00p
5h 25m
1 stop
MKE
11:05a
ONT
6:40p
7h 35m
1 stop
Depart: Tue Aug 29 2017 Return: Sun Sep 3 2017 Trip spans 6 days
American Airlines
American Airlines
ONT
5:55a
MKE
11:50a
5h 55m
1 stop
MKE
3:20a
ONT
9:43a
6h 23m
1 stop
Depart: Wed Sep 20 2017 Return: Wed Sep 27 2017 Trip spans 8 days
United
United
ONT
9:35a
MKE
3:00p
5h 25m
1 stop
MKE
11:05a
ONT
6:40p
7h 35m
1 stop
Depart: Wed Aug 30 2017 Return: Sat Sep 2 2017 Trip spans 4 days
American Airlines
American Airlines
ONT
4:10a
MKE
11:41a
7h 31m
1 stop
MKE
11:18a
ONT
5:55p
6h 37m
1 stop
Depart: Tue Sep 5 2017 Return: Thu Sep 7 2017 Trip spans 3 days
United
United
ONT
1:35a
MKE
8:21a
6h 46m
1 stop
MKE
11:05a
ONT
6:40p
7h 35m
1 stop
Depart: Thu Nov 9 2017 Return: Sun Nov 12 2017 Trip spans 4 days
American Airlines
American Airlines
ONT
8:10p
MKE
2:15a
6h 05m
1 stop
MKE
2:00a
ONT
8:45a
6h 45m
1 stop
Depart: Sun Nov 5 2017 Return: Tue Nov 7 2017 Trip spans 3 days
United
United
ONT
1:35a
MKE
7:56a
6h 21m
1 stop
MKE
9:51a
ONT
5:15p
7h 24m
1 stop
Depart: Mon Aug 28 2017 Return: Sat Sep 2 2017 Trip spans 6 days
American Airlines
American Airlines
ONT
12:25p
MKE
5:53p
5h 28m
1 stop
MKE
11:18a
ONT
5:55p
6h 37m
1 stop
Depart: Sat Aug 26 2017 Return: Sat Sep 9 2017 Trip spans 15 days
United
United
ONT
1:35a
MKE
8:21a
6h 46m
1 stop
MKE
4:45a
ONT
10:45a
6h 00m
1 stop
Depart: Tue Feb 13 2018 Return: Mon Feb 19 2018 Trip spans 7 days
Delta
Delta
ONT
5:20a
MKE
11:15a
5h 55m
1 stop
MKE
1:50p
ONT
7:41p
5h 51m
1 stop
Depart: Sat Sep 2 2017 Return: Sun Sep 3 2017 Trip spans 2 days
United
United
ONT
1:35a
MKE
8:32a
6h 57m
1 stop
MKE
4:31a
ONT
10:44a
6h 13m
1 stop
Depart: Tue Aug 22 2017 Return: Mon Aug 28 2017 Trip spans 7 days
American Airlines
American Airlines
ONT
9:10p
MKE
3:19a
6h 09m
1 stop
MKE
1:30p
ONT
7:52p
6h 22m
1 stop
Depart: Fri Nov 24 2017 Return: Sun Nov 26 2017 Trip spans 3 days
$1072
Select
Alaska Airlines
Alaska Airlines
ONT
1:00a
MKE
9:48a
8h 48m
1 stop
MKE
12:32p
ONT
8:52p
8h 20m
1 stop
Depart: Fri Jan 12 2018 Return: Sun Jan 14 2018 Trip spans 3 days
United
United
ONT
8:15a
MKE
4:15p
8h 00m
1 stop
MKE
3:30a
ONT
9:38a
6h 08m
1 stop
Depart: Sat Sep 23 2017 Return: Wed Sep 27 2017 Trip spans 5 days
American Airlines
American Airlines
ONT
10:14a
MKE
4:42p
6h 28m
1 stop
MKE
2:30p
ONT
9:10p
6h 40m
1 stop
Depart: Tue Sep 26 2017 Return: Mon Oct 2 2017 Trip spans 7 days
American Airlines
American Airlines
ONT
10:14a
MKE
4:42p
6h 28m
1 stop
MKE
2:30p
ONT
8:03a
17h 33m
1 stop
Depart: Thu Aug 24 2017 Return: Thu Sep 7 2017 Trip spans 15 days
United
United
ONT
1:35a
MKE
8:21a
6h 46m
1 stop
MKE
11:05a
ONT
6:40p
7h 35m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Ontario
$294
Destination

Milwaukee
$294