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$69+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DTW
Jan 26 — Feb 21
Mon 1/26
Mon 2/2
1 adult, Economy
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Cheap 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 December 27, 2025.

This Frontier deal was found by Cheapflights users on 12/24. 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.
Wed 12/316:00 pmONT - DTW
1 stop9h 54mFrontier
Mon 1/512:29 pmDTW - ONT
1 stop8h 01mFrontier
Deal found 12/24$308
This CheapOair deal was found by Cheapflights users on 12/24. 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.
Wed 12/316:00 pmONT - DTW
1 stop9h 54mFrontier
Sun 1/410:01 pmDTW - ONT
1 stop28h 58mFrontier
Deal found 12/24$313
This Frontier deal was found by Cheapflights users on 12/24. 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 12/256:45 amONT - DTW
1 stop11h 21mFrontier
Thu 1/17:50 amDTW - ONT
1 stop12h 32mFrontier
Deal found 12/24$324
This CheapOair deal was found by Cheapflights users on 12/25. 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 12/296:20 pmONT - ORD
1 stop27h 21mFrontier
Mon 1/127:50 pmORD - ONT
1 stop29h 09mFrontier
Deal found 12/25$333
This CheapOair deal was found by Cheapflights users on 12/24. 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 12/256:45 amONT - DTW
1 stop11h 21mFrontier
Sat 1/37:50 amDTW - ONT
1 stop18h 31mFrontier
Deal found 12/24$339
This CheapOair deal was found by Cheapflights users on 12/25. 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 12/298:14 amONT - DTW
1 stop6h 52mFrontier
Mon 1/57:50 amDTW - ONT
1 stop16h 27mFrontier
Deal found 12/25$354
This CheapOair deal was found by Cheapflights users on 12/24. 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.
Sun 12/288:19 amONT - ORD
1 stop10h 20mFrontier
Mon 1/57:00 amORD - ONT
1 stop18h 59mFrontier
Deal found 12/24$354
This Frontier deal was found by Cheapflights users on 12/24. 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.
Wed 12/316:00 pmONT - DTW
1 stop9h 54mFrontier
Sat 1/37:50 amDTW - ONT
1 stop11h 41mFrontier
Deal found 12/24$357
This CheapOair deal was found by Cheapflights users on 12/26. 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.
Sun 12/286:37 pmONT - DTW
1 stop9h 17mFrontier
Mon 1/57:50 amDTW - ONT
1 stop16h 27mFrontier
Deal found 12/26$374
This Gotogate deal was found by Cheapflights users on 12/25. 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.
Mon 12/296:20 pmONT - ORD
1 stop27h 21mFrontier
Mon 1/57:00 amORD - ONT
1 stop18h 59mFrontier
Deal found 12/25$383
This Travelocity deal was found by Cheapflights users on 12/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:45 amONT - MDW
1 stop11h 10mFrontier
Sun 1/410:50 pmMDW - ONT
1 stop27h 09mFrontier
Deal found 12/25$387
This Mytrip deal was found by Cheapflights users on 12/25. 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.
Mon 12/296:20 pmONT - ORD
1 stop27h 21mFrontier
Sun 1/410:49 pmORD - ONT
1 stop24h 28mFrontier
Deal found 12/25$387

Find flight deals from Ontario to Michigan

Keep the following information in mind while searching for Ontario to Michigan flight deals. Data was last updated December 27, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$149
(Kiwi.com)

One-way from

$69
(Trip.com)

Popular in

November

Cheapest in

January

Average price

$357
Provider with most accurate pricing for Los Angeles-Detroit (DTT) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Detroit (DTT) flights.
Search Deals
From Ontario to Michigan
Search Deals
One-way flight from Ontario to Michigan
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($37 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 December 2025
Search Deals

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 December 27, 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

Thu 2/26

2:08 pm-11:55 pm

1 stop6h 47m

Detroit Metropolitan Wayne County

Mon 3/2

6:52 pm-11:59 pm

1 stop8h 07m

$182

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Fri 1/30

6:20 am-4:19 pm

1 stop6h 59m

Detroit Metropolitan Wayne County

Sun 2/1

5:14 pm-12:20 am

1 stop10h 06m

$197

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 2/25

8:40 am-11:40 pm

1 stop12h 00m

Detroit Metropolitan Wayne County

Mon 3/2

6:52 pm-11:59 pm

1 stop8h 07m

$203

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Sun 2/22

2:08 pm-11:55 pm

1 stop6h 47m

Detroit Metropolitan Wayne County

Mon 3/2

6:52 pm-11:59 pm

1 stop8h 07m

$217

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 2/5

3:22 pm-4:30 am

1 stop10h 08m

Detroit Metropolitan Wayne County

Sat 2/7

5:05 am-11:24 pm

2 stops21h 19m

$225

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Mon 1/12

6:00 am-3:58 pm

1 stop6h 58m

Detroit Metropolitan Wayne County

Thu 1/15

12:19 pm-11:59 pm

1 stop14h 40m

$234

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Fri 1/30

6:20 am-10:08 pm

2 stops12h 48m

Detroit Metropolitan Wayne County

Sun 2/1

5:14 pm-12:20 am

1 stop10h 06m

$237

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Sun 2/8

6:20 am-4:19 pm

1 stop6h 59m

Detroit Metropolitan Wayne County

Tue 2/10

8:30 am-9:34 pm

1 stop16h 04m

$245

OntarioChicago

ONT - ORD

ONTORD

Ontario

Sun 3/1

2:08 pm-10:28 am

2 stops18h 20m

Chicago O'Hare Intl

Thu 3/5

4:16 pm-11:59 pm

1 stop9h 43m

$247

OntarioChicago

ONT - ORD

ONTORD

Ontario

Sat 1/31

7:30 am-11:53 pm

1 stop14h 23m

Chicago O'Hare Intl

Sat 2/28

7:40 am-1:54 pm

1 stop8h 14m

$285

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 60 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, February is the cheapest month in which you can book a flight from Ontario to Michigan (average of $99). Flying from Ontario to Michigan in July is currently the most expensive (average of $156). 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 December 27, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 49% on flights from Ontario to Michigan by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Ontario to Michigan?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Michigan. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Ontario to Michigan flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 27, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Ontario to Michigan. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,258 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,258 reviews
Southwest
8.0
Very good
4,258 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,018 reviews
Southwest
8.0
Very good
4,258 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,116 reviews
Southwest
8.0
Very good
4,258 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,068 reviews
Southwest
8.0
Very good
4,258 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Frontier
5.8
Fair
3,071 reviews
Southwest
8.0
Very good
4,258 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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.

  • How long is the flight from Ontario to Michigan?

    Departing from Ontario to Michigan will take you 6h 47m. The distance between Ontario and Michigan 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 Ontario to Michigan one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $72. Users have also found prices from $146 and $148 on Delta and Southwest, 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, February is the cheapest month in which you can book a flight from Ontario to Michigan (average of $99). Flying from Ontario to Michigan in July is currently the most expensive (average of $156). 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 December 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$147Average$177FlexibilityNo cancel feeOn-time65%
FrontierCheapest$157Average$292FlexibilityNo cancel feeOn-time62%
DeltaCheapest$292Average$454FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$296Average$475FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$314Average$519FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$352Average$485FlexibilityNo cancel feeOn-time63%

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