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$61+ Cheap flights from Ontario (ONT) to Michigan

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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DTW
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Ontario to Michigan

Keep the following information in mind while searching for Ontario to Michigan flight deals. Data was last updated July 3, 2025.

Round-trip from

$155
(Priceline)

One-way from

$61
(Priceline)

Popular in

March

Cheapest in

January

Average price

$339
From Ontario to Michigan
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One-way flight from Ontario to Michigan
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Highest demand for flights based on searches. 10% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Ontario to Michigan

Cheapest flights from Ontario to Michigan
Explore the most affordable flight options available from Ontario to Michigan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Priceline deal was found by Cheapflights users on 7/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/612:59 amONT - DTW
1 stop7h 00mFrontier
Mon 8/116:00 amDTW - ONT
1 stop6h 13mFrontier
Deal found 7/3$155
This Mytrip deal was found by Cheapflights users on 7/2. 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.
Wed 9/312:59 amONT - GRR
1 stop11h 26mFrontier
Mon 9/88:33 pmGRR - ONT
1 stop26h 21mFrontier
Deal found 7/2$239
This Orbitz deal was found by Cheapflights users on 7/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/246:00 amONT - MDW
2 stops12h 54mFrontier
Sat 7/262:44 pmMDW - ONT
1 stop11h 06mFrontier
Deal found 7/2$263
This FlightHub deal was found by Cheapflights users on 7/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/212:59 amONT - ORD
1 stop18h 43mFrontier
Fri 9/59:47 pmORD - ONT
1 stop16h 56mFrontier
Deal found 7/3$263
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/412:59 amONT - ORD
1 stop8h 00mAmerican Airlines
Tue 8/52:20 pmORD - ONT
1 stop5h 48mAmerican Airlines
Deal found 7/1$277
This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1610:29 pmONT - TVC
1 stop10h 28mAmerican Airlines
Wed 8/275:23 pmTVC - ONT
1 stop8h 25mAmerican Airlines
Deal found 7/3$289
This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1310:35 pmONT - FNT
2 stops12h 28mAmerican Airlines
Tue 9/232:33 pmFNT - ONT
2 stops11h 00mAmerican Airlines
Deal found 7/3$299
This Southwest deal was found by Cheapflights users on 7/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/145:40 amONT - MDW
1 stop8h 45mSouthwest
Thu 8/218:20 pmMDW - ONT
Nonstop4h 10mSouthwest
Deal found 7/1$307
This Delta deal was found by Cheapflights users on 7/2. 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.
Thu 11/277:00 amONT - SBN
1 stop9h 55mDelta
Tue 12/25:30 pmSBN - ONT
1 stop8h 11mDelta
Deal found 7/2$308
This Trip.com deal was found by Cheapflights users on 7/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/216:00 amONT - FNT
1 stop14h 24mMultiple Airlines
Mon 7/282:24 pmFNT - ONT
1 stop9h 28mMultiple Airlines
Deal found 7/1$312
This Trip.com deal was found by Cheapflights users on 7/2. 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.
Thu 7/316:00 amONT - GRR
1 stop14h 17mMultiple Airlines
Sun 8/32:40 pmGRR - ONT
1 stop9h 12mMultiple Airlines
Deal found 7/2$313
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Sun 7/2011:59 pmONT - SBN
1 stop9h 02mAmerican Airlines
Tue 7/295:25 pmSBN - ONT
1 stop9h 29mAmerican Airlines
Deal found 7/2$314

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Michigan 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 July 3, 2025.
Use the filters below to find and compare flights from Ontario to Michigan that are best for you.

Fly from

Ontario

Fly to

Michigan

Route

Depart

Return

Price

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 8/6

12:59 am-10:59 am

1 stop7h 00m

Detroit Metropolitan Wayne County

Mon 8/11

6:00 am-9:13 am

1 stop6h 13m

$155

OntarioGrand Rapids

ONT - GRR

ONTGRR

Ontario

Wed 9/3

12:59 am-3:25 pm

1 stop11h 26m

Grand Rapids Gerald R. Ford Intl

Mon 9/8

8:33 pm-7:54 pm

1 stop26h 21m

$239

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Thu 7/24

6:00 am-8:54 pm

2 stops12h 54m

Chicago Midway

Sat 7/26

2:44 pm-11:50 pm

1 stop11h 06m

$263

OntarioChicago

ONT - ORD

ONTORD

Ontario

Tue 9/2

12:59 am-9:42 pm

1 stop18h 43m

Chicago O'Hare Intl

Fri 9/5

9:47 pm-12:43 pm

1 stop16h 56m

$263

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Sun 8/24

12:59 am-10:59 am

1 stop7h 00m

Detroit Metropolitan Wayne County

Wed 8/27

6:30 am-2:09 pm

1 stop10h 39m

$271

OntarioChicago

ONT - ORD

ONTORD

Ontario

Mon 8/4

12:59 am-10:59 am

1 stop8h 00m

Chicago O'Hare Intl

Tue 8/5

2:20 pm-6:08 pm

1 stop5h 48m

$277

OntarioTraverse City

ONT - TVC

ONTTVC

Ontario

Sat 8/16

10:29 pm-11:57 am

1 stop10h 28m

Traverse City Cherry Capital

Wed 8/27

5:23 pm-10:48 pm

1 stop8h 25m

$289

OntarioFlint

ONT - FNT

ONTFNT

Ontario

Sat 9/13

10:35 pm-2:03 pm

2 stops12h 28m

Flint Bishop

Tue 9/23

2:33 pm-10:33 pm

2 stops11h 00m

$299

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Thu 8/14

5:40 am-4:25 pm

1 stop8h 45m

Chicago Midway

Tue 8/19

5:25 pm-7:35 pm

Nonstop4h 10m

$307

OntarioSouth Bend

ONT - SBN

ONTSBN

Ontario

Thu 11/27

7:00 am-7:55 pm

1 stop9h 55m

South Bend/Michiana

Tue 12/2

5:30 pm-10:41 pm

1 stop8h 11m

$308

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 48 results
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Best time to book a flight from Ontario to Michigan

Have a flexible travel schedule? Discover the best time to fly to Michigan from Ontario 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 Ontario to Michigan

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

Currently, April is the cheapest month in which you can book a flight from Ontario to Michigan (average of $257). Flying from Ontario to Michigan in March is currently the most expensive (average of $305). 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 ONT to MI?

Find hourly flight availability from Ontario to Michigan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Michigan as you normally would.

Reviews of airlines servicing Michigan

Get insights into the airlines that provide service to Michigan. 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 Michigan. Reviews last updated July 3, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Ontario to Michigan. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Michigan. 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 from for flights from Ontario to Michigan?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Michigan.

  • What are the cheapest airlines to fly from Ontario to Michigan one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $61. Users have also found prices from $139 and $148 on American Airlines and Hawaiian Airlines, respectively.

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

    The most popular flight routes from Ontario to Michigan are Ontario - Chicago O'Hare Intl, Ontario - Detroit Metropolitan Wayne County and Ontario - Chicago Midway.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Michigan 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 Ontario to Michigan?

    Currently, April is the cheapest month in which you can book a flight from Ontario to Michigan (average of $257). Flying from Ontario to Michigan in March is currently the most expensive (average of $305). 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 Ontario to Michigan

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

Discover the top 6 airlines that operate flights from Ontario to Michigan. 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$127Average$332FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$157Average$284FlexibilityNo cancel feeOn-time65%
DeltaCheapest$239Average$442FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$278Average$499FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$298Average$486FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$394Average$538FlexibilityNo cancel feeOn-time63%

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