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Ontario

$60+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — ONT
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap 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 February 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:30 am
DTW
-
ONT
1 stop16h 04m
Frontier
Mon 3/96:15 am
ONT
-
DTW
1 stop25h 44m
Frontier
Deal found 2/9$158
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:30 am
DTW
-
ONT
1 stop16h 04m
Frontier
Tue 3/106:15 am
ONT
-
DTW
1 stop25h 44m
Frontier
Deal found 2/8$159
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/104:28 pm
ORD
-
ONT
2 stops33h 31m
Frontier
Tue 3/172:23 pm
ONT
-
ORD
1 stop13h 45m
Frontier
Deal found 2/8$160
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1711:54 am
DTW
-
ONT
1 stop15h 05m
Frontier
Tue 3/246:15 am
ONT
-
DTW
1 stop25h 44m
Frontier
Deal found 2/10$161
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1711:54 am
DTW
-
ONT
1 stop15h 05m
Frontier
Wed 3/256:15 am
ONT
-
DTW
1 stop25h 44m
Frontier
Deal found 2/10$166
This Gotogate deal was found by Cheapflights users on 2/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:30 am
DTW
-
ONT
1 stop16h 04m
Frontier
Tue 3/38:40 am
ONT
-
DTW
1 stop12h 15m
Frontier
Deal found 2/8$169
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:18 pm
ORD
-
ONT
1 stop12h 46m
Frontier
Sat 4/2512:59 am
ONT
-
ORD
1 stop6h 51m
Frontier
Deal found 2/10$170
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/54:16 pm
ORD
-
ONT
1 stop9h 43m
Frontier
Wed 3/186:15 am
ONT
-
ORD
1 stop25h 28m
Frontier
Deal found 2/10$172
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/114:28 pm
ORD
-
ONT
2 stops22h 43m
Frontier
Tue 3/172:23 pm
ONT
-
ORD
1 stop13h 45m
Frontier
Deal found 2/9$173
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:18 pm
ORD
-
ONT
1 stop12h 46m
Multiple Airlines
Sat 5/27:18 pm
ONT
-
ORD
1 stop8h 13m
Multiple Airlines
Deal found 2/9$174
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/59:18 pm
ORD
-
ONT
1 stop18h 22m
Frontier
Sun 5/108:26 am
ONT
-
ORD
1 stop25h 51m
Frontier
Deal found 2/9$175
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:18 pm
ORD
-
ONT
1 stop12h 46m
Frontier
Thu 4/3012:59 am
ONT
-
ORD
1 stop6h 51m
Frontier
Deal found 2/9$177

Find flight deals from Michigan to Ontario

Keep the following information in mind while searching for Michigan to Ontario flight deals. Data was last updated February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$158
(Kiwi.com)

One-way from

$60
(Trip.com)

Popular in

November

Cheapest in

August

Average price

$248
Provider with most accurate pricing for Detroit (DTT)-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Los Angeles flights.
Search Deals
From Michigan to Ontario
Search Deals
One-way flight from Michigan to Ontario
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
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 February 11, 2026.
Use the filters below to find and compare flights from Michigan to Ontario that are best for you.

Fly from

Michigan

Fly to

Ontario

Route

Depart

Return

Price

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Sat 3/14

4:29 pm-9:00 pm

1 stop7h 31m

Ontario

Wed 3/25

1:20 pm-11:59 pm

1 stop7h 39m

$277

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Tue 2/24

7:50 pm-10:05 am

1 stop16h 15m

Ontario

Wed 2/25

2:25 pm-9:50 pm

1 stop5h 25m

$279

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Tue 3/17

7:00 am-3:08 pm

1 stop10h 08m

Ontario

Wed 3/18

7:08 pm-6:39 am

1 stop9h 31m

$283

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Tue 4/21

2:09 pm-8:23 pm

1 stop8h 14m

Ontario

Tue 4/28

6:00 am-4:56 pm

1 stop8h 56m

$283

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Fri 4/24

6:00 am-2:32 pm

1 stop10h 32m

Ontario

Tue 4/28

6:00 am-4:56 pm

1 stop8h 56m

$293

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Sat 4/18

1:10 pm-6:33 pm

1 stop8h 23m

Ontario

Tue 4/28

10:15 pm-11:13 am

1 stop9h 58m

$309

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Sat 4/18

6:00 am-11:36 am

1 stop8h 36m

Ontario

Sat 4/25

10:15 pm-1:30 pm

2 stops12h 15m

$314

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Sat 4/18

1:10 pm-6:33 pm

1 stop8h 23m

Ontario

Wed 4/22

10:15 pm-1:30 pm

2 stops12h 15m

$314

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Tue 3/3

2:46 pm-9:05 pm

1 stop8h 19m

Ontario

Wed 3/11

1:20 pm-9:34 pm

1 stop6h 14m

$317

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Wed 3/11

9:35 am-4:28 pm

2 stops8h 53m

Ontario

Tue 3/17

10:25 pm-12:29 pm

2 stops12h 04m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

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.

Cheapflights Insights

Everything you need to know about your flight from Michigan to Ontario

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

Currently, May is the cheapest month in which you can book a flight from Michigan to Ontario (average of $88). Flying from Michigan to Ontario in January is currently the most expensive (average of $162). 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.

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.

  • How long is the flight from Michigan to Ontario?

    Departing from Michigan to Ontario will take you 7h 31m. The distance from Michigan to Ontario is about 1929 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $71. American Airlines flights start at $125 while deals on Southwest start at $130 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 Detroit Metropolitan Wayne County - Ontario or Chicago Midway - 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, May is the cheapest month in which you can book a flight from Michigan to Ontario (average of $88). Flying from Michigan to Ontario in January is currently the most expensive (average of $162). 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 5 airlines flying from Michigan to Ontario

Discover the top 5 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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$117Average$270FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$269Average$481FlexibilityNo cancel feeOn-time71%
DeltaCheapest$277Average$425FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$317Average$493FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$324Average$472FlexibilityNo cancel feeOn-time63%

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