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Cheap flights from Milwaukee to Los Angeles from $140

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Milwaukee to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
5:45 am - 10:15 amMKE  Milwaukee-Mitchell-ONT Ontario
6h 30m1 stop Denver Intl
Southwest Logo
1:50 pm - 9:15 pmONT  Ontario-MKE Milwaukee-Mitchell
5h 25m1 stop Denver Intl
$279Southwest
Wed, Jan 6 - Mon, Jan 11
United Airlines Logo
3:58 pm - 9:00 pmMKE  Milwaukee-Mitchell-ONT Ontario
7h 02m1 stop Denver Intl
United Airlines Logo
5:00 am - 4:46 pmONT  Ontario-MKE Milwaukee-Mitchell
9h 46m2 stops Denver Intl Chicago O'Hare Intl
$284United Airlines
Wed, Jan 6 - Mon, Jan 11
United Airlines Logo
12:45 pm - 9:00 pmMKE  Milwaukee-Mitchell-ONT Ontario
10h 15m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
5:00 am - 3:10 pmONT  Ontario-MKE Milwaukee-Mitchell
8h 10m2 stops Denver Intl Chicago O'Hare Intl
$289United Airlines
Wed, Jan 6 - Mon, Jan 11
Southwest Logo
5:45 am - 10:15 amMKE  Milwaukee-Mitchell-ONT Ontario
6h 30m1 stop Denver Intl
Southwest Logo
3:00 pm - 10:15 pmONT  Ontario-MKE Milwaukee-Mitchell
5h 15m1 stop Phoenix Sky Harbor Intl
$308Southwest
Thu, Jan 7 - Sun, Jan 10
Southwest Logo
9:20 pm - 8:05 amMKE  Milwaukee-Mitchell-ONT Ontario
12h 45m1 stop Phoenix Sky Harbor Intl
Southwest Logo
11:25 am - 10:20 pmONT  Ontario-MKE Milwaukee-Mitchell
8h 55m1 stop Nashville Intl
$308Southwest
Sat, Dec 19 - Thu, Dec 31
American Airlines Logo
7:05 am - 4:19 pmMKE  Milwaukee-Mitchell-ONT Ontario
11h 14m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
2:09 pm - 10:40 pmONT  Ontario-MKE Milwaukee-Mitchell
6h 31m1 stop Dallas/Fort Worth
$341American Airlines
Tue, Nov 17 - Sat, Nov 21
American Airlines Logo
7:06 am - 6:10 pmMKE  Milwaukee-Mitchell-ONT Ontario
13h 04m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
7:36 pm - 9:24 amONT  Ontario-MKE Milwaukee-Mitchell
11h 48m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl
$342American Airlines
Wed, Dec 16 - Wed, Dec 23
Delta Logo
3:12 pm - 8:58 pmMKE  Milwaukee-Mitchell-ONT Ontario
7h 46m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:00 pm - 9:25 pmONT  Ontario-MKE Milwaukee-Mitchell
6h 25m1 stop Salt Lake City
$357Delta
Tue, Dec 15 - Tue, Jan 5
Delta Logo
7:30 am - 12:17 pmMKE  Milwaukee-Mitchell-ONT Ontario
6h 47m1 stop Salt Lake City
Delta Logo
1:15 pm - 9:55 pmONT  Ontario-MKE Milwaukee-Mitchell
6h 40m1 stop Salt Lake City
$357Delta
Tue, Nov 17 - Sat, Nov 21
United Airlines Logo
12:03 pm - 8:51 pmMKE  Milwaukee-Mitchell-ONT Ontario
10h 48m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
5:00 am - 1:34 pmONT  Ontario-MKE Milwaukee-Mitchell
6h 34m1 stop Denver Intl
$412United Airlines
Tue, Nov 10 - Sat, Nov 14

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Southwest flights from Milwaukee to Ontario

Our best Southwest deals on Milwaukee to Ontario flight tickets
Southwest
Jan 6
MKE5:45 amMilwaukee-Mitchell
6h 30m
1 stop
ONT10:15 amOntario
Jan 11
ONT1:50 pmOntario
5h 25m
1 stop
MKE9:15 pmMilwaukee-Mitchell
$279
Southwest
Dec 19
MKE9:20 pmMilwaukee-Mitchell
12h 45m
1 stop
ONT8:05 amOntario
Dec 31
ONT11:25 amOntario
8h 55m
1 stop
MKE10:20 pmMilwaukee-Mitchell
$308
Southwest
Jan 7
MKE5:00 amMilwaukee-Mitchell
8h 20m
2 stops
ONT11:20 amOntario
Jan 10
ONT12:00 pmOntario
8h 15m
1 stop
MKE10:15 pmMilwaukee-Mitchell
$313

United Airlines flights from Milwaukee to Ontario

Our best United Airlines deals on Milwaukee to Ontario flight tickets
United Airlines
Jan 6
MKE3:58 pmMilwaukee-Mitchell
7h 02m
1 stop
ONT9:00 pmOntario
Jan 11
ONT5:00 amOntario
9h 46m
2 stops
MKE4:46 pmMilwaukee-Mitchell
$284
United Airlines
Jan 6
MKE12:45 pmMilwaukee-Mitchell
10h 15m
2 stops
ONT9:00 pmOntario
Jan 11
ONT5:00 amOntario
8h 10m
2 stops
MKE3:10 pmMilwaukee-Mitchell
$289
United Airlines
Nov 25
MKE2:35 pmMilwaukee-Mitchell
8h 16m
1 stop
ONT8:51 pmOntario
Nov 27
ONT5:00 amOntario
6h 34m
1 stop
MKE1:34 pmMilwaukee-Mitchell
$420

momondo Fare Finder

 
Use the filters below to find and compare flights from Milwaukee to Ontario that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

MilwaukeeOntario

MKE Milwaukee-Mitchell - ONT Ontario

MKEONT

Milwaukee-Mitchell

Wed 1/6

5:45 am-10:15 am

1 stop6h 30m

Ontario

Mon 1/11

1:50 pm-9:15 pm

1 stop5h 25m

$279

MilwaukeeOntario

MKE Milwaukee-Mitchell - ONT Ontario

MKEONT

Milwaukee-Mitchell

Wed 1/6

3:58 pm-9:00 pm

1 stop7h 02m

Ontario

Mon 1/11

5:00 am-4:46 pm

2 stops9h 46m

$284

MilwaukeeOntario

MKE Milwaukee-Mitchell - ONT Ontario

MKEONT

Milwaukee-Mitchell

Wed 1/6

12:45 pm-9:00 pm

2 stops10h 15m

Ontario

Mon 1/11

5:00 am-3:10 pm

2 stops8h 10m

$289
Quickest round-trip

MilwaukeeOntario

MKE Milwaukee-Mitchell - ONT Ontario

MKEONT

Milwaukee-Mitchell

Thu 1/7

5:45 am-10:15 am

1 stop6h 30m

Ontario

Sun 1/10

3:00 pm-10:15 pm

1 stop5h 15m

$308

MilwaukeeOntario

MKE Milwaukee-Mitchell - ONT Ontario

MKEONT

Milwaukee-Mitchell

Sat 12/19

9:20 pm-8:05 am

1 stop12h 45m

Ontario

Thu 12/31

11:25 am-10:20 pm

1 stop8h 55m

$308

MilwaukeeOntario

MKE Milwaukee-Mitchell - ONT Ontario

MKEONT

Milwaukee-Mitchell

Tue 11/17

7:05 am-4:19 pm

2 stops11h 14m

Ontario

Sat 11/21

2:09 pm-10:40 pm

1 stop6h 31m

$341

MilwaukeeOntario

MKE Milwaukee-Mitchell - ONT Ontario

MKEONT

Milwaukee-Mitchell

Wed 12/16

7:06 am-6:10 pm

2 stops13h 04m

Ontario

Wed 12/23

7:36 pm-9:24 am

2 stops11h 48m

$342

MilwaukeeOntario

MKE Milwaukee-Mitchell - ONT Ontario

MKEONT

Milwaukee-Mitchell

Tue 12/15

3:12 pm-8:58 pm

1 stop7h 46m

Ontario

Tue 1/5

1:00 pm-9:25 pm

1 stop6h 25m

$357

MilwaukeeOntario

MKE Milwaukee-Mitchell - ONT Ontario

MKEONT

Milwaukee-Mitchell

Tue 11/17

7:30 am-12:17 pm

1 stop6h 47m

Ontario

Sat 11/21

1:15 pm-9:55 pm

1 stop6h 40m

$357

MilwaukeeOntario

MKE Milwaukee-Mitchell - ONT Ontario

MKEONT

Milwaukee-Mitchell

Tue 11/10

12:03 pm-8:51 pm

2 stops10h 48m

Ontario

Sat 11/14

5:00 am-1:34 pm

1 stop6h 34m

$412

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Milwaukee to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ontario?

In general, April is the cheapest month to fly from Milwaukee to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $371. If you aren’t able to travel during the month of April, then book flights to Ontario from Milwaukee during May instead. Flights to Ontario in May, while not as cheap as those in April, still average around $402.

How have Milwaukee to Ontario flight prices changed over time?

When to book flights from Milwaukee to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Milwaukee to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Milwaukee to Ontario (MKE to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Milwaukee to Ontario

Best Price Found

$140

Fastest flight time

6h 57m

Direct flights

None
The best one-way flight to Ontario from Milwaukee in the past 72 hours is $140. The best round-trip flight deal from Milwaukee to Ontario found on momondo in the last 72 hours is $279.
The fastest flight from Milwaukee to Ontario takes 6h 57m
There are no direct flights from Milwaukee to Ontario. There are no popular flight routes from Milwaukee to Ontario.
Search flight deals

Frequently asked questions about flying from Milwaukee to Ontario

  • How far is Milwaukee-Mitchell to Ontario by plane?

    There are 1710.4 mi between Milwaukee-Mitchell and Ontario. 6h 57m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Milwaukee-Mitchell Airport to Ontario Airport?

    Prices for flights from Milwaukee-Mitchell Airport to Ontario Airport refresh daily.

  • How many operators does momondo search for flights from Milwaukee-Mitchell Airport to Ontario Airport?

  • How old do you have to be to fly from Milwaukee-Mitchell Airport to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Milwaukee-Mitchell Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Milwaukee to Ontario?

Best airlines flying from Milwaukee to Ontario

Compare and see reviews for airlines that fly from Milwaukee to Ontario with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $306Free CancellationRating
7.3
10,389 reviews
Search United Airlines flights
SouthwestPriceFrom $334Free CancellationRating
7.9
4,209 reviews
Search Southwest flights
American AirlinesPriceFrom $368Free CancellationRating
7.0
12,173 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Milwaukee to Ontario?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Milwaukee to Ontario for you.

Can I find flights from Milwaukee to Ontario with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ontario from Milwaukee with this policy.

How can momondo help me find flights from Milwaukee to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Milwaukee.

I’m not ready to book a flight from Milwaukee to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from Milwaukee. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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