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Cheap flights from Milwaukee to Los Angeles from $139

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.
American Airlines Logo
2:36 pm - 6:43 pmMKE  Milwaukee-Mitchell-ONT Ontario
6h 07m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:15 am - 1:56 pmONT  Ontario-MKE Milwaukee-Mitchell
5h 41m1 stop Phoenix Sky Harbor Intl
$267American Airlines
Sat, Oct 24 - Sat, Oct 31
American Airlines Logo
12:15 pm - 6:47 pmMKE  Milwaukee-Mitchell-ONT Ontario
8h 32m1 stop Dallas/Fort Worth
American Airlines Logo
9:30 am - 8:00 pmONT  Ontario-MKE Milwaukee-Mitchell
8h 30m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl
$272American Airlines
Tue, Dec 15 - Tue, Jan 5
Delta Logo
5:30 am - 11:06 amMKE  Milwaukee-Mitchell-ONT Ontario
7h 36m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:07 am - 5:25 pmONT  Ontario-MKE Milwaukee-Mitchell
8h 18m1 stop Atlanta Hartsfield-Jackson
$277Delta
Sat, Oct 24 - Sat, Oct 31
Delta Logo
7:05 am - 12:36 pmMKE  Milwaukee-Mitchell-ONT Ontario
7h 31m1 stop Salt Lake City
Delta Logo
1:15 pm - 9:55 pmONT  Ontario-MKE Milwaukee-Mitchell
6h 40m1 stop Salt Lake City
$277Delta
Tue, Oct 27 - Wed, Nov 11
Delta Logo
5:30 am - 11:06 amMKE  Milwaukee-Mitchell-ONT Ontario
7h 36m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:16 pm - 9:23 pmONT  Ontario-MKE Milwaukee-Mitchell
7h 07m1 stop Atlanta Hartsfield-Jackson
$277Delta
Wed, Oct 14 - Wed, Oct 21
American Airlines Logo
2:58 pm - 8:48 pmMKE  Milwaukee-Mitchell-ONT Ontario
7h 50m1 stop Chicago O'Hare Intl
American Airlines Logo
12:26 pm - 9:48 pmONT  Ontario-MKE Milwaukee-Mitchell
7h 22m1 stop Phoenix Sky Harbor Intl
$285American Airlines
Thu, Feb 25 - Tue, Mar 2
Southwest Logo
6:10 pm - 10:45 pmMKE  Milwaukee-Mitchell-ONT Ontario
6h 35m1 stop Denver Intl
Southwest Logo
4:00 pm - 11:25 pmONT  Ontario-MKE Milwaukee-Mitchell
5h 25m1 stop Las Vegas Harry Reid Intl
$356Southwest
Mon, Nov 9 - Thu, Nov 12
Southwest Logo
5:50 am - 1:00 pmMKE  Milwaukee-Mitchell-ONT Ontario
9h 10m2 stops Denver Intl Las Vegas Harry Reid Intl
Southwest Logo
5:35 am - 1:15 pmONT  Ontario-MKE Milwaukee-Mitchell
5h 40m1 stop Las Vegas Harry Reid Intl
$361Southwest
Mon, Nov 9 - Thu, Nov 12
United Airlines Logo
2:39 pm - 8:58 pmMKE  Milwaukee-Mitchell-ONT Ontario
8h 19m1 stop Denver Intl
United Airlines Logo
5:00 am - 1:34 pmONT  Ontario-MKE Milwaukee-Mitchell
6h 34m1 stop Denver Intl
$367United Airlines
Wed, Oct 21 - Wed, Oct 28
United Airlines Logo
2:35 pm - 8:51 pmMKE  Milwaukee-Mitchell-ONT Ontario
8h 16m1 stop Denver Intl
United Airlines Logo
6:00 am - 3:15 pmONT  Ontario-MKE Milwaukee-Mitchell
7h 15m1 stop Houston George Bush Intcntl
$377United Airlines
Tue, Nov 17 - Wed, Nov 18

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Southwest flights from Milwaukee to Ontario

Our best Southwest deals on Milwaukee to Ontario flight tickets
Southwest
Nov 9
MKE6:10 pmMilwaukee-Mitchell
6h 35m
1 stop
ONT10:45 pmOntario
Nov 12
ONT4:00 pmOntario
5h 25m
1 stop
MKE11:25 pmMilwaukee-Mitchell
$356
Southwest
Nov 9
MKE5:50 amMilwaukee-Mitchell
9h 10m
2 stops
ONT1:00 pmOntario
Nov 12
ONT5:35 amOntario
5h 40m
1 stop
MKE1:15 pmMilwaukee-Mitchell
$361
Southwest
Oct 22
MKE5:00 pmMilwaukee-Mitchell
8h 50m
2 stops
ONT11:50 pmOntario
Oct 27
ONT2:00 pmOntario
5h 50m
1 stop
MKE9:50 pmMilwaukee-Mitchell
$374

Delta flights from Milwaukee to Ontario

Our best Delta deals on Milwaukee to Ontario flight tickets
Delta
Oct 14
MKE5:30 amMilwaukee-Mitchell
7h 36m
1 stop
ONT11:06 amOntario
Oct 21
ONT12:16 pmOntario
7h 07m
1 stop
MKE9:23 pmMilwaukee-Mitchell
$277
Delta
Dec 15
MKE3:50 pmMilwaukee-Mitchell
10h 08m
2 stops
ONT11:58 pmOntario
Jan 5
ONT6:00 amOntario
8h 45m
2 stops
MKE4:45 pmMilwaukee-Mitchell
$288
Delta
Oct 15
MKE2:59 pmMilwaukee-Mitchell
8h 55m
1 stop
ONT9:54 pmOntario
Oct 20
ONT12:16 pmOntario
7h 07m
1 stop
MKE9:23 pmMilwaukee-Mitchell
$290

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

MilwaukeeOntario

MKE Milwaukee-Mitchell - ONT Ontario

MKEONT

Milwaukee-Mitchell

Sat 10/24

2:36 pm-6:43 pm

1 stop6h 07m

Ontario

Sat 10/31

6:15 am-1:56 pm

1 stop5h 41m

$267

MilwaukeeOntario

MKE Milwaukee-Mitchell - ONT Ontario

MKEONT

Milwaukee-Mitchell

Tue 12/15

12:15 pm-6:47 pm

1 stop8h 32m

Ontario

Tue 1/5

9:30 am-8:00 pm

2 stops8h 30m

$272

MilwaukeeOntario

MKE Milwaukee-Mitchell - ONT Ontario

MKEONT

Milwaukee-Mitchell

Sat 10/24

5:30 am-11:06 am

1 stop7h 36m

Ontario

Sat 10/31

7:07 am-5:25 pm

1 stop8h 18m

$277

MilwaukeeOntario

MKE Milwaukee-Mitchell - ONT Ontario

MKEONT

Milwaukee-Mitchell

Tue 10/27

7:05 am-12:36 pm

1 stop7h 31m

Ontario

Wed 11/11

1:15 pm-9:55 pm

1 stop6h 40m

$277

MilwaukeeOntario

MKE Milwaukee-Mitchell - ONT Ontario

MKEONT

Milwaukee-Mitchell

Wed 10/14

5:30 am-11:06 am

1 stop7h 36m

Ontario

Wed 10/21

12:16 pm-9:23 pm

1 stop7h 07m

$277

MilwaukeeOntario

MKE Milwaukee-Mitchell - ONT Ontario

MKEONT

Milwaukee-Mitchell

Thu 2/25

2:58 pm-8:48 pm

1 stop7h 50m

Ontario

Tue 3/2

12:26 pm-9:48 pm

1 stop7h 22m

$285

MilwaukeeOntario

MKE Milwaukee-Mitchell - ONT Ontario

MKEONT

Milwaukee-Mitchell

Mon 11/9

6:10 pm-10:45 pm

1 stop6h 35m

Ontario

Thu 11/12

4:00 pm-11:25 pm

1 stop5h 25m

$356

MilwaukeeOntario

MKE Milwaukee-Mitchell - ONT Ontario

MKEONT

Milwaukee-Mitchell

Mon 11/9

5:50 am-1:00 pm

2 stops9h 10m

Ontario

Thu 11/12

5:35 am-1:15 pm

1 stop5h 40m

$361

MilwaukeeOntario

MKE Milwaukee-Mitchell - ONT Ontario

MKEONT

Milwaukee-Mitchell

Wed 10/21

2:39 pm-8:58 pm

1 stop8h 19m

Ontario

Wed 10/28

5:00 am-1:34 pm

1 stop6h 34m

$367

MilwaukeeOntario

MKE Milwaukee-Mitchell - ONT Ontario

MKEONT

Milwaukee-Mitchell

Tue 11/17

2:35 pm-8:51 pm

1 stop8h 16m

Ontario

Wed 11/18

6:00 am-3:15 pm

1 stop7h 15m

$377

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

$139

Fastest flight time

6h 05m

Direct flights

None
The best one-way flight to Ontario from Milwaukee in the past 72 hours is $139. The best round-trip flight deal from Milwaukee to Ontario found on momondo in the last 72 hours is $267.
The fastest flight from Milwaukee to Ontario takes 6h 05m
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 05m 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
7.4
10,215 reviews
Search United Airlines flights
SouthwestPriceFrom $334Free CancellationRating
8.0
4,189 reviews
Search Southwest flights
American AirlinesPriceFrom $367Free CancellationRating
7.1
12,062 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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