Cheap flights from Ontario to Milwaukee from $55

Round-trip
1 adult
Economy
From?
To?
Thu 10/21
Thu 10/28

Travel Restriction Alert

The COVID-19 (coronavirus) outbreak may impact travel from Ontario to Milwaukee.
View current United States travel restrictions

Flight information for Ontario to Milwaukee
(ONT to MKE)

Find info about flight duration, direct flights, and airports for your flight from Ontario to Milwaukee
Best Price Found$217The best flight deal from Ontario to Milwaukee found on momondo in the last 72 hours is $217
Fastest flight time6h 27mThe fastest flight from Ontario to Milwaukee takes 6h 27m
Direct flightsNoneThere are no direct flights from Ontario to Milwaukee. Popular non-direct route for this connection is Ontario Airport - Milwaukee Milwaukee-Mitchell Airport.
Airports in Milwaukee1 airportThere is 1 airport near Milwaukee: Milwaukee Milwaukee-Mitchell (MKE)

How to get the cheapest flight ticket from Ontario to Milwaukee

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 from Ontario to Milwaukee?

August

The cheapest time of year to fly to Milwaukee from Ontario is August. Most expensive is February

What is the cheapest day to depart Ontario for Milwaukee?

Tuesday

The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday

When is the cheapest time to fly from Ontario to Milwaukee?

in the afternoon

Ontario to Milwaukee flights are approximately 24% more expensive in the morning than in the afternoon

What is the cheapest airline that flies to Milwaukee from Ontario?

Frontier

American Airlines, Delta, and Frontier are the most popular carriers operating from Ontario to Milwaukee

What is the cheapest Ontario to Milwaukee flight route?

Ontario - Milwaukee Milwaukee-Mitchell

Fly from Ontario to Milwaukee Milwaukee-Mitchell for the best Ontario - Milwaukee flight prices

How far in advance should you book Ontario to Milwaukee flights?

17 days before

The cheapest time to buy a flight from Ontario to Milwaukee is approximately 17 days to departure


Easily compare round-trip flights from Ontario to Milwaukee

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Ontario to Milwaukee by changing tabs
Multiple Airlines
Dec 3
ONT9:35 amOntario
6h 51m
1 stop
MKE4:26 pmMilwaukee Milwaukee-Mitchell
Dec 6
MKE10:10 amMilwaukee Milwaukee-Mitchell
20h 24m
1 stop
ONT6:34 amOntario
Frontier
Oct 27
ONT8:25 amOntario
19h 01m
1 stop
MKE3:26 amMilwaukee Milwaukee-Mitchell
Oct 31
MKE6:16 amMilwaukee Milwaukee-Mitchell
11h 28m
1 stop
ONT5:44 pmOntario
American Airlines
Dec 1
ONT6:45 pmOntario
7h 22m
1 stop
MKE2:07 amMilwaukee Milwaukee-Mitchell
Dec 8
MKE9:15 amMilwaukee Milwaukee-Mitchell
6h 44m
1 stop
ONT3:59 pmOntario
United Airlines
Jan 25
ONT12:25 amOntario
5h 58m
1 stop
MKE6:23 amMilwaukee Milwaukee-Mitchell
Jan 28
MKE9:05 amMilwaukee Milwaukee-Mitchell
7h 54m
1 stop
ONT4:59 pmOntario
Delta
Nov 3
ONT9:32 amOntario
5h 58m
1 stop
MKE3:30 pmMilwaukee Milwaukee-Mitchell
Nov 6
MKE3:00 amMilwaukee Milwaukee-Mitchell
11h 46m
2 stops
ONT2:46 pmOntario
Frontier
Oct 27
ONT8:25 amOntario
19h 01m
1 stop
MKE3:26 amMilwaukee Milwaukee-Mitchell
Oct 31
MKE6:16 amMilwaukee Milwaukee-Mitchell
8h 12m
2 stops
ONT2:28 pmOntario

Find the cheapest one-way flights from Ontario to Milwaukee

If you're looking for one-way flights from Ontario to Milwaukee, view some of our deals below provided by American Airlines, Delta and Frontier
Multiple Airlines
Nov 16
ONT12:59 pmOntario
29h 00m
1 stop
MKE5:59 pmMilwaukee Milwaukee-Mitchell
Frontier
Oct 26
ONT6:05 pmOntario
12h 21m
1 stop
MKE6:26 amMilwaukee Milwaukee-Mitchell
American Airlines
Dec 9
ONT5:25 pmOntario
8h 28m
1 stop
MKE1:53 amMilwaukee Milwaukee-Mitchell

Search last-minute flights to Milwaukee from Ontario

Find and compare flight prices for your last-minute flight from Ontario to Milwaukee
Frontier
Oct 26
ONT6:05 pmOntario
12h 21m
1 stop
MKE6:26 amMilwaukee Milwaukee-Mitchell
Oct 30
MKE3:49 pmMilwaukee Milwaukee-Mitchell
20h 57m
3 stops
ONT12:46 pmOntario
Multiple Airlines
Oct 26
ONT6:05 pmOntario
12h 21m
1 stop
MKE6:26 amMilwaukee Milwaukee-Mitchell
Oct 30
MKE8:42 amMilwaukee Milwaukee-Mitchell
10h 21m
1 stop
ONT7:03 pmOntario
American Airlines
Oct 21
ONT8:45 pmOntario
7h 06m
1 stop
MKE3:51 amMilwaukee Milwaukee-Mitchell
Oct 24
MKE2:59 pmMilwaukee Milwaukee-Mitchell
6h 53m
1 stop
ONT9:52 pmOntario
Alaska Airlines
Oct 22
ONT3:59 pmOntario
12h 25m
2 stops
MKE4:24 amMilwaukee Milwaukee-Mitchell
Oct 25
MKE1:32 pmMilwaukee Milwaukee-Mitchell
7h 49m
1 stop
ONT9:21 pmOntario
Frontier
Oct 22
ONT4:30 amOntario
8h 32m
1 stop
MKE1:02 pmMilwaukee Milwaukee-Mitchell
Oct 24
MKE6:16 amMilwaukee Milwaukee-Mitchell
8h 12m
2 stops
ONT2:28 pmOntario
Multiple Airlines
Oct 21
ONT8:45 pmOntario
7h 06m
1 stop
MKE3:51 amMilwaukee Milwaukee-Mitchell
Oct 24
MKE6:16 amMilwaukee Milwaukee-Mitchell
8h 12m
2 stops
ONT2:28 pmOntario

Best airlines flying from Ontario to Milwaukee

Compare and see reviews for airlines that fly from Ontario to Milwaukee with momondo
AirlineRatingFree CancellationPrice
Frontier
PriceFrom $112
Free Cancellation
Rating
6.2
6.6

Boarding

5.9

Comfort

7.1

Crew

4.8

Entertainment

5.1

Food

Reviews

Not enough leg space, don't like having to pay for a seat assignment or the perception that I have to, a lot of "nickel and dime" on everything, and didn't care for the pushing of credit card.

1 / 10
United Airlines
PriceFrom $141
Free Cancellation
Rating
6.8
7.2

Boarding

6.7

Comfort

7.5

Crew

6.6

Entertainment

6.1

Food

Reviews

Pros: Everything! From ticketing agent to all the crew on our flight back were awesome. Thank you!

1 / 10
American Airlines
PriceFrom $159
Free Cancellation
Rating
7.2
7.4

Boarding

7.1

Comfort

7.8

Crew

7.1

Entertainment

6.8

Food

Reviews

Flight attendant for first class is definitely not a morning person. Oh and the WiFi DID NOT WORK!

1 / 10
Delta
PriceFrom $184
Free Cancellation
Rating
8.2
8.2

Boarding

8.4

Comfort

8.3

Crew

8.1

Entertainment

8.0

Food

Reviews

Great

1 / 10

  • Are airlines flying from Ontario to Milwaukee Milwaukee-Mitchell offering flexible cancellation due to COVID-19?

    Some of our partner airlines flying from Ontario to Milwaukee Milwaukee-Mitchell are adopting new policies due to the global impact of COVID-19. Some of the airlines that may be waiving their cancellation fees are American Airlines, United Airlines, and Delta. You can search for the full list of airlines like American Airlines that are offering this flexibility.

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

    The straight-line distance from Ontario to Milwaukee Milwaukee-Mitchell is 1710.4 mi. Flights usually cover this in 5h 58m, depending on flying conditions and air traffic around both airports.


Can I fly to Milwaukee Milwaukee-Mitchell from Ontario right now?

Information is based on travel restrictions for travel to Milwaukee Milwaukee-Mitchell within the United States

Most visitors from Ontario need to provide a negative COVID-19 test result and/or quarantine to enter Milwaukee Milwaukee-Mitchell.

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Milwaukee Milwaukee-Mitchell.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Milwaukee Milwaukee-Mitchell.

Can I fly back to Ontario from Milwaukee Milwaukee-Mitchell?

Returning to Ontario from Milwaukee Milwaukee-Mitchell

COVID-19 testing requirements
Visitors from Milwaukee Milwaukee-Mitchell must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Ontario.

Quarantine requirements
Visitors from Milwaukee Milwaukee-Mitchell are not required to quarantine after entering Ontario.

If you are planning to travel to Milwaukee at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.

Alternative routes for Ontario to Milwaukee

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Los Angeles to Milwaukee Flights
Fastest flight time3h 58m
Cheapest price$83
Santa Ana to Milwaukee Flights
Fastest flight time6h 03m
Cheapest price$86
Oakland, California to Milwaukee Flights
Fastest flight time7h 32m
Cheapest price$89
Sacramento to Milwaukee Flights
Fastest flight time5h 51m
Cheapest price$99
San Diego to Milwaukee Flights
Fastest flight time8h 14m
Cheapest price$112
San Francisco to Milwaukee Flights
Fastest flight time5h 44m
Cheapest price$140
Burbank to Milwaukee Flights
Fastest flight time9h 07m
Cheapest price$171
San Jose to Milwaukee Flights
Fastest flight time6h 33m
Cheapest price$259

Similar Ontario to Milwaukee flights

Flexible with your destination? Broaden your search and find flights similar to your Ontario to Milwaukee route