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Ontario

$101+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — ONT
Jul 8 — Jul 151
Wed 7/8
Wed 7/15
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 June 8, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/3. 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 8/49:34 pm
ORD
-
ONT
1 stop13h 03m
Frontier
Tue 8/1810:50 am
ONT
-
ORD
1 stop8h 03m
Frontier
Deal found 6/3$171
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 8/118:30 am
DTW
-
ONT
1 stop9h 44m
Frontier
Tue 8/1810:50 am
ONT
-
DTW
1 stop22h 47m
Frontier
Deal found 6/4$186
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 8/48:30 am
DTW
-
ONT
1 stop9h 44m
Frontier
Tue 8/1110:49 am
ONT
-
DTW
1 stop22h 45m
Frontier
Deal found 6/4$187
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Mon 7/277:15 am
ORD
-
ONT
1 stop26h 48m
Frontier
Tue 8/43:40 pm
ONT
-
ORD
1 stop11h 57m
Frontier
Deal found 6/3$195
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/79:34 pm
ORD
-
ONT
1 stop13h 03m
Frontier
Tue 7/216:00 am
ONT
-
ORD
1 stop12h 52m
Frontier
Deal found 6/3$205
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/298:30 am
DTW
-
ONT
1 stop9h 44m
Frontier
Tue 8/46:00 am
ONT
-
DTW
1 stop27h 34m
Frontier
Deal found 6/3$216
This Trip.com deal was found by Cheapflights users on 6/3. 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.
Tue 7/78:52 am
DTW
-
ONT
1 stop25h 40m
Frontier
Tue 7/143:40 pm
ONT
-
DTW
1 stop12h 20m
Frontier
Deal found 6/3$227
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/299:57 pm
ORD
-
ONT
1 stop14h 07m
Frontier
Wed 8/1910:50 am
ONT
-
ORD
1 stop8h 03m
Frontier
Deal found 6/3$234
This United Airlines deal was found by Cheapflights users on 6/3. 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 7/298:18 pm
ORD
-
ONT
Nonstop4h 33m
United Airlines
Wed 8/197:00 am
ONT
-
ORD
Nonstop4h 10m
United Airlines
Deal found 6/3$239
This Frontier deal was found by Cheapflights users on 6/4. 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.
Thu 8/69:34 pm
ORD
-
ONT
1 stop13h 07m
Frontier
Mon 8/109:36 am
ONT
-
ORD
1 stop12h 57m
Frontier
Deal found 6/4$240
This Frontier deal was found by Cheapflights users on 6/3. 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.
Thu 8/69:27 pm
MDW
-
ONT
1 stop13h 10m
Frontier
Tue 8/118:17 am
ONT
-
MDW
1 stop6h 34m
Frontier
Deal found 6/3$240
This Booking.com deal was found by Cheapflights users on 6/4. 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.
Wed 7/89:57 pm
ORD
-
ONT
1 stop27h 53m
Frontier
Wed 7/151:38 pm
ONT
-
ORD
1 stop13h 59m
Frontier
Deal found 6/4$242

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 June 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$171
(Kiwi.com)

One-way from

$101
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$315
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. 11% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 8, 2026.
Use the filters below to find and compare flights from Michigan to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Tue 8/25

4:45 pm-8:55 pm

1 stop6h 10m

Ontario

Mon 8/31

11:55 pm-5:45 am

Nonstop3h 50m

$310

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Tue 7/14

5:50 pm-10:50 pm

2 stops7h 00m

Ontario

Tue 7/14

11:55 pm-5:40 am

Nonstop3h 45m

$333

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Thu 8/20

5:10 pm-9:52 pm

1 stop7h 42m

Ontario

Sun 8/23

10:00 pm-11:11 am

1 stop10h 11m

$349

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Sat 9/19

2:00 pm-6:33 pm

1 stop7h 33m

Ontario

Sun 9/20

10:00 pm-2:28 pm

2 stops13h 28m

$354

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Fri 8/7

2:00 pm-4:10 pm

Nonstop4h 10m

Ontario

Wed 8/12

6:50 am-5:10 pm

2 stops8h 20m

$358

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Sun 8/16

6:00 am-10:42 am

1 stop7h 42m

Ontario

Sun 8/23

10:00 pm-11:11 am

1 stop10h 11m

$359

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Fri 8/14

3:16 pm-11:34 pm

2 stops11h 18m

Ontario

Sun 8/23

10:00 pm-11:11 am

1 stop10h 11m

$364

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Fri 9/4

3:16 pm-11:34 pm

2 stops11h 18m

Ontario

Mon 9/7

10:00 pm-1:46 pm

2 stops12h 46m

$369

Bay CityOntario

MBS - ONT

MBSONT

Bay City MBS Intl

Mon 10/19

3:30 pm-11:48 pm

2 stops11h 18m

Ontario

Tue 10/27

9:55 am-10:16 pm

2 stops9h 21m

$369
Quickest round-trip

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Thu 8/13

8:06 pm-10:35 pm

Nonstop4h 29m

Ontario

Thu 8/20

7:00 am-1:10 pm

Nonstop4h 10m

$371

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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, November is the cheapest month in which you can book a flight from Michigan to Ontario (average of $117). Flying from Michigan to Ontario in March is currently the most expensive (average of $295). 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.

How much does it cost to fly round-trip from Michigan to Ontario?

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 4h 29m. The distance from Michigan to Ontario is about 1695 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 $79. United Airlines flights start at $148 while deals on American Airlines start at $156 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, November is the cheapest month in which you can book a flight from Michigan to Ontario (average of $117). Flying from Michigan to Ontario in March is currently the most expensive (average of $295). 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 June 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$149Average$319FlexibilityNo cancel feeOn-time62%
DeltaCheapest$277Average$540FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$299Average$542FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$317Average$484FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$324Average$502FlexibilityNo cancel feeOn-time63%

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