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Ontario

Cheap flights from Michigan to Ontario (ONT) - Compare and Save

DTW — ONT
May 1 — May 81
Fri 5/1
Fri 5/8
1 adult, Economy
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Cheap flight deals from Michigan to Ontario

Keep the following information in mind while searching for Michigan to Ontario flight deals. Data was last updated April 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$160
(Frontier)

One-way from

$79
(Super.com)

Popular in

November

Cheapest in

August

Average price

$270
Provider with most accurate pricing for Detroit (DTT)-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Detroit (DTT)-Los Angeles flights.
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From Michigan to Ontario
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One-way flight from Michigan to Ontario
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Highest demand for flights based on searches. 15% potential increase in price ($52 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in April 2026
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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 April 1, 2026.

This Frontier deal was found by Cheapflights users on 3/31. 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.
Sat 4/253:23 pm
ORD
-
ONT
1 stop9h 14m
Frontier
Sat 5/27:44 pm
ONT
-
ORD
1 stop8h 24m
Frontier
Deal found 3/31$160
This Frontier deal was found by Cheapflights users on 3/30. 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 4/3010:27 pm
DTW
-
ONT
1 stop12h 04m
Frontier
Sat 5/212:59 am
ONT
-
DTW
1 stop6h 59m
Frontier
Deal found 3/30$160
This Frontier deal was found by Cheapflights users on 3/30. 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 4/3010:27 pm
DTW
-
ONT
1 stop12h 04m
Frontier
Sat 5/212:59 am
ONT
-
DTW
1 stop6h 59m
Frontier
Deal found 3/30$161
This Booking.com deal was found by Cheapflights users on 3/30. 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.
Thu 4/235:20 am
ORD
-
ONT
1 stop13h 18m
Frontier
Mon 4/278:26 am
ONT
-
ORD
1 stop28h 51m
Frontier
Deal found 3/30$162
This Booking.com deal was found by Cheapflights users on 3/30. 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.
Thu 5/71:20 pm
DTW
-
ONT
1 stop13h 29m
Frontier
Sun 5/106:00 am
ONT
-
DTW
1 stop14h 59m
Frontier
Deal found 3/30$162
This Booking.com deal was found by Cheapflights users on 4/1. 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.
Thu 4/2310:27 pm
DTW
-
ONT
1 stop12h 04m
Frontier
Thu 4/3012:59 am
ONT
-
DTW
1 stop6h 59m
Frontier
Deal found 4/1$166
This Booking.com deal was found by Cheapflights users on 3/31. 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 5/512:40 pm
ORD
-
ONT
1 stop8h 31m
Frontier
Fri 5/88:06 pm
ONT
-
ORD
1 stop24h 55m
Frontier
Deal found 3/31$167
This Booking.com deal was found by Cheapflights users on 3/30. 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.
Mon 4/2010:05 am
DTW
-
ONT
1 stop9h 33m
Frontier
Sun 5/312:59 am
ONT
-
DTW
1 stop21h 58m
Frontier
Deal found 3/30$167
This CheapOair deal was found by Cheapflights users on 3/30. 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 4/208:58 pm
ORD
-
ONT
1 stop15h 46m
Frontier
Wed 4/2211:44 am
ONT
-
ORD
1 stop16h 24m
Frontier
Deal found 3/30$171
This CheapOair deal was found by Cheapflights users on 3/30. 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.
Fri 5/88:29 pm
GRR
-
ONT
1 stop16h 36m
Frontier
Mon 5/116:00 am
ONT
-
GRR
1 stop10h 44m
Frontier
Deal found 3/30$171
This CheapOair deal was found by Cheapflights users on 3/31. 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 4/3010:27 pm
DTW
-
ONT
1 stop12h 04m
Frontier
Fri 5/86:00 am
ONT
-
DTW
1 stop14h 59m
Frontier
Deal found 3/31$171
This Booking.com deal was found by Cheapflights users on 3/31. 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.
Thu 4/235:20 am
ORD
-
ONT
1 stop13h 18m
Frontier
Fri 5/18:26 am
ONT
-
ORD
1 stop27h 56m
Frontier
Deal found 3/31$172

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 April 1, 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

ORD - ONT

ORDONT

Chicago O'Hare Intl

Sat 4/25

8:05 pm-10:31 pm

Nonstop4h 26m

Ontario

Sat 5/2

7:00 am-12:59 pm

Nonstop3h 59m

$341

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Wed 4/22

8:05 pm-10:31 pm

Nonstop4h 26m

Ontario

Tue 4/28

1:27 pm-11:29 pm

1 stop8h 02m

$351

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Sat 4/25

8:05 pm-10:31 pm

Nonstop4h 26m

Ontario

Wed 6/3

1:18 pm-9:39 pm

1 stop6h 21m

$351

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Sat 5/23

8:13 pm-10:46 pm

Nonstop4h 33m

Ontario

Tue 5/26

1:50 pm-12:59 am

1 stop9h 09m

$351

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Sat 5/9

3:35 pm-6:01 pm

Nonstop4h 26m

Ontario

Wed 5/20

1:40 pm-11:57 pm

1 stop8h 17m

$351

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Tue 5/12

3:00 pm-9:48 pm

1 stop9h 48m

Ontario

Sat 5/16

6:00 am-3:18 pm

1 stop6h 18m

$357

KalamazooOntario

AZO - ONT

AZOONT

Kalamazoo Intl

Fri 5/8

5:30 am-12:19 pm

2 stops9h 49m

Ontario

Sat 5/16

6:00 am-5:35 pm

2 stops8h 35m

$369

KalamazooOntario

AZO - ONT

AZOONT

Kalamazoo Intl

Fri 5/8

5:30 am-12:19 pm

2 stops9h 49m

Ontario

Sat 5/16

6:00 am-5:35 pm

2 stops8h 35m

$369

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Tue 5/12

2:18 pm-11:34 pm

2 stops12h 16m

Ontario

Tue 5/19

10:00 pm-1:38 pm

2 stops12h 38m

$379

LansingOntario

LAN - ONT

LANONT

Lansing Capital City

Tue 6/2

5:34 am-12:19 pm

2 stops9h 45m

Ontario

Mon 6/15

9:40 am-11:48 pm

2 stops11h 08m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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, 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.

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 15m. The distance from Michigan to Ontario is about 1701 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. 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 Grand Rapids Gerald R. Ford Intl - 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

Browse thousands of different options on Cheapflights for your next trip

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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 April 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$149Average$316FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$269Average$460FlexibilityNo cancel feeOn-time71%
DeltaCheapest$277Average$513FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$317Average$486FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$324Average$509FlexibilityNo cancel feeOn-time63%

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