Skip to content

United flights from Ontario to Milwaukee starting at

Select journey type

Enter to select travel class and passengers

Book with confidence with United

Low fare calendar for flights from Ontario (ONT) to Milwaukee (MKE)

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
1
from
$1,081 Price subject to changes
Viewed:4 hours ago
Return:
2
from
$666 Price subject to changes
Viewed:4 hours ago
Return:
3
from
$404 Price subject to changes
Viewed:4 hours ago
Return:
4
from
$266 Price subject to changes
Viewed:16 hours ago
Return:
5
from
$434 Price subject to changes
Viewed:4 hours ago
Return:
6
from
$477 Price subject to changes
Viewed:4 hours ago
Return:
7
from
$266 Price subject to changes
Viewed:16 hours ago
Return:
8
from
$640 Price subject to changes
Viewed:4 hours ago
Return:
9
from
$391 Price subject to changes
Viewed:4 hours ago
Return:
10
from
$266 Price subject to changes
Viewed:16 hours ago
Return:
11
from
$266 Price subject to changes
Viewed:16 hours ago
Return:
12
from
$434 Price subject to changes
Viewed:4 hours ago
Return:
13
from
$503 Price subject to changes
Viewed:4 hours ago
Return:
14
from
$439 Price subject to changes
Viewed:4 hours ago
Return:
15
from
$504 Price subject to changes
Viewed:4 hours ago
Return:
16
from
$504 Price subject to changes
Viewed:16 hours ago
Return:
17
from
$521 Price subject to changes
Viewed:4 hours ago
Return:
18
from
$350 Price subject to changes
Viewed:4 hours ago
Return:
19
from
$376 Price subject to changes
Viewed:16 hours ago
Return:
20
from
$544 Price subject to changes
Viewed:4 hours ago
Return:
21
from
$529 Price subject to changes
Viewed:16 hours ago
Return:
22
from
$480 Price subject to changes
Viewed:16 hours ago
Return:
23
from
$529 Price subject to changes
Viewed:16 hours ago
Return:
24
from
$629 Price subject to changes
Viewed:16 hours ago
Return:
25
from
$656 Price subject to changes
Viewed:16 hours ago
Return:
26
from
$411 Price subject to changes
Viewed:16 hours ago
Return:
27
from
$426 Price subject to changes
Viewed:16 hours ago
Return:
28
from
$598 Price subject to changes
Viewed:16 hours ago
Return:
29
from
$746 Price subject to changes
Viewed:4 hours ago
Return:
30
from
$668 Price subject to changes
Viewed:16 hours ago
Return:
from
$318 Price subject to changes
Viewed:4 hours ago
Return:
from
$288 Price subject to changes
Viewed:16 hours ago
Return:
from
$318 Price subject to changes
Viewed:16 hours ago
Return:
from
$348 Price subject to changes
Viewed:16 hours ago
Return:
from
$318 Price subject to changes
Viewed:16 hours ago
Return:
Lowest PriceToday
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

More United deals on Ontario (ONT) to Milwaukee (MKE) flights

FromToDatesFare TypePrice

Ontario (ONT)

Milwaukee (MKE)

Depart: 11/04/20

Return: 11/18/20

Roundtrip
from
$266*
Viewed:15hoursago

Ontario (ONT)

Milwaukee (MKE)

Depart: 11/04/20

Return: 11/11/20

Roundtrip
from
$266*
Viewed:15hoursago

Ontario (ONT)

Milwaukee (MKE)

Depart: 11/07/20

Return: 11/14/20

Roundtrip
from
$266*
Viewed:15hoursago

Ontario (ONT)

Milwaukee (MKE)

Depart: 11/10/20

Return: 11/17/20

Roundtrip
from
$266*
Viewed:15hoursago

Ontario (ONT)

Milwaukee (MKE)

Depart: 11/11/20

Return: 11/18/20

Roundtrip
from
$266*
Viewed:15hoursago

Ontario (ONT)

Milwaukee (MKE)

Depart: 01/06/21

Return: 01/13/21

Roundtrip
from
$288*
Viewed:15hoursago

Ontario (ONT)

Milwaukee (MKE)

Depart: 01/12/21

Return: 01/19/21

Roundtrip
from
$288*
Viewed:15hoursago

Ontario (ONT)

Milwaukee (MKE)

Depart: 12/02/20

Return: 12/16/20

Roundtrip
from
$288*
Viewed:15hoursago

Ontario (ONT)

Milwaukee (MKE)

Depart: 01/06/21

Return: 01/20/21

Roundtrip
from
$288*
Viewed:15hoursago

Ontario (ONT)

Milwaukee (MKE)

Depart: 01/12/21

Return: 01/26/21

Roundtrip
from
$288*
Viewed:15hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Milwaukee

Wednesday light rain
49°F 10/21/20
Thursday heavy intensity rain
49°F 10/22/20
Friday heavy intensity rain
45°F 10/23/20
Saturday light rain
42°F 10/24/20
Sunday moderate rain
41°F 10/25/20
Monday light rain
37°F 10/26/20
Tuesday sky is clear
34°F 10/27/20
Powered by: OpenWeatherMap.org