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$61+ 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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — ONT
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
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 November 20, 2024.

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 November 20, 2024.

This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/126:36 pmORD - ONT
1 stop14h 38mFrontier
Wed 12/1810:39 pmONT - ORD
1 stop29h 01mFrontier
Deal found 11/19$132
This CheapOair deal was found by Cheapflights users on 11/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1212:43 pmMDW - ONT
1 stop24h 25mFrontier
Sun 12/158:59 pmONT - MDW
1 stop12h 49mFrontier
Deal found 11/19$134
This CheapOair deal was found by Cheapflights users on 11/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/99:08 pmDTW - ONT
1 stop29h 36mFrontier
Thu 1/98:11 pmONT - DTW
1 stop20h 57mFrontier
Deal found 11/19$138
This Delta deal was found by Cheapflights users on 11/20. 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 12/177:10 pmORD - ONT
1 stop7h 04mDelta
Wed 12/251:05 pmONT - ORD
1 stop6h 34mDelta
Deal found 11/20$256
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/107:10 pmORD - ONT
1 stop18h 25mSouthwest
Wed 12/112:50 pmONT - ORD
1 stop6h 15mSouthwest
Deal found 11/19$271
This eDestinos deal was found by Cheapflights users on 11/18. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/261:09 pmORD - ONT
2 stops29h 49mMultiple Airlines
Sun 12/110:52 pmONT - ORD
2 stops24h 17mMultiple Airlines
Deal found 11/18$287
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/107:00 amORD - ONT
1 stop7h 58mAlaska Airlines
Fri 12/138:55 pmONT - ORD
1 stop24h 52mAlaska Airlines
Deal found 11/20$309
This KAYAK deal was found by Cheapflights users on 11/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/232:17 pmGRR - ONT
1 stop12h 42mFrontier
Sun 12/2912:59 amONT - GRR
1 stop9h 18mFrontier
Deal found 11/20$318
This Delta deal was found by Cheapflights users on 11/20. 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 12/32:17 pmMDW - ONT
2 stops11h 36mDelta
Wed 12/46:00 amONT - MDW
2 stops10h 32mDelta
Deal found 11/20$350
This Delta deal was found by Cheapflights users on 11/20. 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.
Wed 12/118:10 amDTW - ONT
1 stop7h 15mDelta
Wed 12/2512:55 pmONT - DTW
1 stop7h 10mDelta
Deal found 11/20$356
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/114:10 pmORD - ONT
1 stop9h 48mUnited Airlines
Thu 12/266:50 pmONT - ORD
1 stop8h 09mUnited Airlines
Deal found 11/19$368
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Thu 12/55:00 amORD - ONT
1 stop6h 51mAmerican Airlines
Tue 12/104:25 pmONT - ORD
1 stop6h 15mAmerican Airlines
Deal found 11/19$390

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Thu 12/12

6:36 pm-7:14 am

1 stop14h 38m

Ontario

Wed 12/18

10:39 pm-5:40 am

1 stop29h 01m

$132

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Tue 1/21

8:15 am-11:47 pm

1 stop17h 32m

Ontario

Sat 1/25

7:59 pm-11:44 am

1 stop13h 45m

$132

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Mon 12/9

9:08 pm-11:44 pm

1 stop29h 36m

Ontario

Thu 1/9

8:11 pm-8:08 pm

1 stop20h 57m

$138

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Sat 1/4

9:54 pm-3:26 pm

1 stop19h 32m

Ontario

Sat 1/11

7:59 pm-5:30 am

1 stop7h 31m

$187

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Thu 1/9

12:45 pm-5:57 pm

1 stop7h 12m

Ontario

Mon 1/13

10:47 am-7:59 pm

1 stop7h 12m

$246

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Thu 1/9

3:35 pm-10:13 pm

1 stop8h 38m

Ontario

Mon 1/13

11:33 am-11:59 pm

1 stop10h 26m

$252

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Tue 12/17

7:10 pm-12:14 am

1 stop7h 04m

Ontario

Wed 12/25

1:05 pm-9:39 pm

1 stop6h 34m

$256

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Thu 1/9

10:19 am-10:32 pm

2 stops14h 13m

Ontario

Wed 1/15

1:00 pm-10:20 pm

1 stop7h 20m

$261

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Mon 2/24

4:49 pm-9:27 pm

1 stop31h 38m

Ontario

Wed 3/12

4:20 pm-3:53 pm

1 stop20h 33m

$262

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Tue 12/10

7:10 pm-11:35 am

1 stop18h 25m

Ontario

Wed 12/11

2:50 pm-11:05 pm

1 stop6h 15m

$271

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 60 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 November 20, 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 November 20, 2024.
Get a feel of what it's like to fly with Southwest, United Airlines and American Airlines 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
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

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
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

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
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

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
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

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
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

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
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

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 $61. American Airlines flights start at $109 while deals on United Airlines start at $128 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$137Average$226FlexibilityNo cancel feeOn-time65%
FrontierCheapest$148Average$221FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$282Average$491FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$498FlexibilityNo cancel feeOn-time71%
DeltaCheapest$331Average$498FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$394Average$508FlexibilityNo cancel feeOn-time63%
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