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Cheap flights from Milwaukee to Ontario (MKE - ONT)

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The best prices from Milwaukee to Ontario are usually found in August or September, booked 60 days in advance, depart on a Monday or Saturday and return on a Saturday

How to find the cheapest flight from
Milwaukee (MKE) to Ontario (ONT)

MKE - ONT
Price
$221 - $456

Popular in

November

High demand for flights, 22% potential price rise

Cheapest in

August

Best time to find cheap flights, 38% potential price drop

Round-trip from

$221

From Milwaukee to Ontario

One-way from

$220

One-way flight from Milwaukee to Ontario

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Milwaukee to Ontario?

Leaving on a Sunday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 54% on the overall cost on flights from Milwaukee to Ontario.

How far in advance should I book a flight from Milwaukee to Ontario?

To save up to 20% on this flight, we recommend booking at least 17 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Milwaukee to Ontario from $75 1-2 weeks out and tickets from $95 for flights departing within the next 72 hours.

What is the cheapest month to fly from Milwaukee to Ontario?

The best pricing can be found in the month of April. Prices to Ontario from Milwaukee average $86. You can even find prices in April for less than $86, as users have found deals to Ontario from as low as $43. The month of December appears to be one of the more expensive times to travel to Ontario from Milwaukee. Flying in the targeted month can save you up to 23%.

When is the cheapest time to fly from Milwaukee to Ontario (MKE - ONT)?

Unlike in the morning, when flights are generally more expensive, you can save up to 45% on flights from Milwaukee to Ontario by exploring options for tickets in the evening.

Cheap flights from Milwaukee to Ontario in January, February 2021

The best prices found for MKE to ONT flights for January, February
14 Feb - 25 Feb
$88pp
MKE
Milwaukee Milwaukee-Mitchell
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
MKE
Milwaukee Milwaukee-Mitchell
15 Feb - 21 Feb
$153pp
MKE
Milwaukee Milwaukee-Mitchell
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
MKE
Milwaukee Milwaukee-Mitchell
18 Feb - 25 Feb
$170pp
MKE
Milwaukee Milwaukee-Mitchell
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
   
2 STOPS
MKE
Milwaukee Milwaukee-Mitchell

Milwaukee to Ontario 2021 flight deals

Cheap flights to Ontario from Milwaukee found for this year
14 Feb - 25 Feb
$88pp
MKE
Milwaukee Milwaukee-Mitchell
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
MKE
Milwaukee Milwaukee-Mitchell
15 Feb - 21 Feb
$153pp
MKE
Milwaukee Milwaukee-Mitchell
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
MKE
Milwaukee Milwaukee-Mitchell
18 Feb - 25 Feb
$170pp
MKE
Milwaukee Milwaukee-Mitchell
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
   
2 STOPS
MKE
Milwaukee Milwaukee-Mitchell

Last minute flights from Milwaukee to Ontario

Late deals on round-trip flights to Ontario from Milwaukee, departing today and this week
25 Jan - 31 Jan
$197pp
MKE
Milwaukee Milwaukee-Mitchell
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
MKE
Milwaukee Milwaukee-Mitchell
25 Jan - 31 Jan
$251pp
MKE
Milwaukee Milwaukee-Mitchell
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
   
2 STOPS
MKE
Milwaukee Milwaukee-Mitchell
25 Jan - 30 Jan
$353pp
MKE
Milwaukee Milwaukee-Mitchell
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
United Airlines
 
1 STOP
MKE
Milwaukee Milwaukee-Mitchell

One-way flights to Ontario from Milwaukee

The cheapest one-way flights from Milwaukee to Ontario
6:09 am - 2:42 pm
Frontier
2 Stops
34h 33m
MKE - ONT
Frontier
$220
Kiwi.com
2:00 am - 2:19 pm
American Airlines
2 Stops
14h 19m
MKE - ONT
American Airlines
1:40 am - 7:18 am
Delta
1 Stop
7h 38m
MKE - ONT
Delta
$265
Delta

Related info for your journey

Useful info, stats and facts about Milwaukee to Ontario flights.

Flight FAQs

From Milwaukee to Ontario

Are flight prices decreasing from Milwaukee to Ontario due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Milwaukee and Ontario for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Milwaukee Milwaukee-Mitchell to Ontario to control the spread of COVID-19?

New policies can now be found on Delta to help keep travelers safe while flying. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Milwaukee Milwaukee-Mitchell to Ontario. Policies will vary by airline.

Which airlines flying from Milwaukee Milwaukee-Mitchell to Ontario have flexible cancellations due to COVID-19?

Some of our airline partners flying from Milwaukee Milwaukee-Mitchell to Ontario have new flexible policies in place due to COVID-19. American Airlines, United Airlines, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from Milwaukee to Ontario for under $100 on Cheapflights?

Yes, there are multiple flights from Milwaukee to Ontario for under $100. The cheapest flight booked recently is on Frontier for just $88, but on average you can expect to pay $201.

Are there nonstop flights from Milwaukee to Ontario for under $100 on Cheapflights?

There are no nonstop flights from Milwaukee to Ontario, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Milwaukee to Ontario for under $200?

There are currently 16+ open flights from Milwaukee to Ontario within the next 7 days for less than $200.

What days are nonstop flights available from Milwaukee to Ontario?

You can find nonstop flights on the following days: Saturday.

Does it rain more in Milwaukee or Ontario?

Milwaukee will have the same amount of rainfall in 1 compared to Ontario over the next 14 days.

Is Milwaukee weather warmer or cooler than Ontario?

Expect the weather to be around 95 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Ontario is generally hotter than in Milwaukee.

How long is the flight from Milwaukee to Ontario?

Frontier and Alaska Airlines can get you from Milwaukee to Ontario in just under 6h 23m. Your travel time can differ by up to 3h 56m. This flight may include one or multiple stops.

What is the cheapest airline to fly from Milwaukee to Ontario round-trip?

Flying on Frontier is currently your cheapest option to Ontario, with prices starting at $88. Frontier is currently priced 75% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Milwaukee to Ontario one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $44. Delta flights start at $156 while deals on American Airlines start at $178 one-way.

Alternative routes for Milwaukee to Ontario

Destination information for Ontario

Things to know before you go. Useful info for your trip from Milwaukee to Ontario

Airports servicing Milwaukee

Airports servicing Ontario

Top 4 airlines flying from Milwaukee to Ontario

The chart below displays the airlines Cheapflights users traveling from Milwaukee to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$119 $227 No cancel fee 62%
Delta
$154 $325 No cancel fee N/A
United Airlines
$141 $334 No cancel fee 69%
American Airlines
$124 $379 No cancel fee 71%
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