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Ontario

$64+ Cheap flights from Michigan to Ontario (ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — ONT
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Michigan to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Michigan (USMI) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2024.

Round-trip from

$128
(Frontier)

One-way from

$64
(Cheapflightsfares)
From Michigan to Ontario
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One-way flight from Michigan to Ontario
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Find flight deals from Michigan to Ontario

Cheapest flights from Michigan to Ontario
Explore the most affordable flight options available from Michigan to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Frontier deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:55 amORD - ONT
1 stop6h 37mFrontier
Fri 1/1010:40 amONT - ORD
1 stop11h 55mFrontier
Deal found 12/17$264
This Frontier deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:20 amMDW - ONT
1 stop11h 28mFrontier
Thu 1/99:02 amONT - MDW
1 stop10h 03mFrontier
Deal found 12/17$264
This Booking.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2410:20 pmDTW - ONT
1 stop28h 39mFrontier
Mon 12/3012:59 amONT - DTW
1 stop17h 31mFrontier
Deal found 12/17$288
This Trip.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/236:30 amGRR - ONT
1 stop13h 43mMultiple Airlines
Sun 1/59:00 amONT - GRR
1 stop27h 26mMultiple Airlines
Deal found 12/17$432
This Booking.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/271:42 pmGRR - ONT
1 stop13h 17mFrontier
Sun 12/2912:59 amONT - GRR
1 stop9h 18mFrontier
Deal found 12/17$434
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/258:20 amORD - ONT
1 stop7h 38mAmerican Airlines
Fri 12/2712:59 amONT - ORD
1 stop6h 26mAmerican Airlines
Deal found 12/17$464
This United Airlines deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/258:15 amGRR - ONT
1 stop7h 25mUnited Airlines
Wed 1/85:10 amONT - GRR
1 stop6h 24mUnited Airlines
Deal found 12/18$486
This Travelocity deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:55 amORD - ONT
1 stop6h 37mMultiple Airlines
Mon 1/67:00 amONT - ORD
2 stops14h 59mMultiple Airlines
Deal found 12/17$497
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/244:53 pmDTW - ONT
1 stop8h 36mUnited Airlines
Wed 1/16:00 amONT - DTW
1 stop9h 20mUnited Airlines
Deal found 12/16$497
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/245:59 pmDTW - ONT
1 stop7h 38mDelta
Wed 12/2512:55 pmONT - DTW
1 stop7h 10mDelta
Deal found 12/16$507
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2012:24 pmSBN - ONT
1 stop9h 09mAmerican Airlines
Sat 12/2112:59 amONT - SBN
1 stop7h 55mAmerican Airlines
Deal found 12/17$524
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/255:00 amDTW - ONT
1 stop9h 46mAmerican Airlines
Tue 12/3110:02 amONT - DTW
2 stops10h 24mAmerican Airlines
Deal found 12/17$537

Find flights from Michigan to Ontario within your budget

Customize your flight search to find flights from Michigan to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Sat 2/22

2:28 pm-7:09 pm

1 stop7h 41m

Ontario

Tue 2/25

7:58 pm-12:00 pm

1 stop13h 02m

$128

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Fri 1/24

12:43 pm-7:11 am

1 stop20h 28m

Ontario

Tue 1/28

7:45 am-12:17 am

1 stop14h 32m

$165

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Mon 1/6

6:00 am-11:00 am

1 stop7h 00m

Ontario

Fri 2/7

10:40 am-12:32 am

1 stop11h 52m

$168

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Thu 1/23

3:35 pm-10:13 pm

1 stop8h 38m

Ontario

Tue 1/28

5:44 pm-1:07 pm

1 stop17h 23m

$199

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Wed 1/29

1:16 pm-6:24 pm

1 stop7h 08m

Ontario

Fri 1/31

12:48 pm-9:16 pm

1 stop6h 28m

$207

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Wed 1/22

2:25 pm-10:32 pm

1 stop10h 07m

Ontario

Fri 1/31

1:00 pm-11:59 pm

1 stop8h 59m

$256

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Sat 2/1

3:41 pm-10:52 pm

1 stop9h 11m

Ontario

Sat 2/8

1:00 pm-10:20 pm

1 stop7h 20m

$256

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Tue 1/14

7:45 am-8:13 pm

1 stop14h 28m

Ontario

Mon 1/20

11:57 am-12:39 am

1 stop10h 42m

$267

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Thu 2/13

1:45 pm-9:15 pm

1 stop9h 30m

Ontario

Fri 2/21

5:35 am-4:45 pm

2 stops9h 10m

$287

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Wed 1/15

12:10 pm-10:52 pm

2 stops13h 42m

Ontario

Sat 1/25

7:05 am-10:36 pm

2 stops12h 31m

$323

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 58 results
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Best time to book a flight from Michigan to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Michigan with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Michigan to Ontario

Get recent, data-driven insights about flights from Michigan to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Michigan to Ontario?

Currently, September is the cheapest month in which you can book a flight from Michigan to Ontario (average of $236). Flying from Michigan to Ontario in December is currently the most expensive (average of $298). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MI to ONT?

Find hourly flight availability from Michigan to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

When flying from Michigan to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated December 18, 2024.
Get a feel of what it's like to fly with American Airlines, Delta and Frontier from Michigan to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Food

7.2

Crew

8.7

Boarding

8.2

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Southwest
8.1
Very good
4,848 reviews
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Food

7.2

Crew

8.7

Boarding

8.2

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Alaska Airlines
8.0
Very good
9,554 reviews
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Food

7.2

Crew

8.7

Boarding

8.2

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Delta
8.0
Very good
8,604 reviews
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Food

7.2

Crew

8.7

Boarding

8.2

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

United Airlines
7.4
Good
9,055 reviews
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Food

7.2

Crew

8.7

Boarding

8.2

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Food

7.2

Crew

8.7

Boarding

8.2

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Related info for your journey

Find useful and relevant information for your journey from Michigan to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Michigan?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Michigan. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • What are the cheapest airlines to fly from Michigan 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 $64. American Airlines flights start at $89 while deals on Alaska Airlines start at $110 one-way.

  • What are the most popular routes from Michigan to Ontario?

    The most popular route from Michigan to Ontario is Chicago O'Hare Intl - Ontario. You may also consider Chicago Midway - Ontario or Detroit Metropolitan Wayne County - Ontario.

  • Can I find deals for flights from Michigan to Ontario that include hotel bookings?

    Yes. In addition to deals on Michigan to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Michigan to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Michigan to Ontario.

  • Can I find deals for business class flights from Michigan to Ontario?

    Yes. Cheapflights offers flight deals from Michigan to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Michigan to Ontario?

    Currently, September is the cheapest month in which you can book a flight from Michigan to Ontario (average of $236). Flying from Michigan to Ontario in December is currently the most expensive (average of $298). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Michigan to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Michigan to Ontario

Discover the top 6 airlines that operate flights from Michigan to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$137Average$222FlexibilityNo cancel feeOn-time65%
FrontierCheapest$148Average$220FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$282Average$678FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$484FlexibilityNo cancel feeOn-time71%
DeltaCheapest$331Average$509FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$400Average$499FlexibilityNo cancel feeOn-time63%
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