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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 14 — Jan 211
Wed 1/14
Wed 1/21
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 15, 2025.

This CheapOair deal was found by Cheapflights users on 12/14. 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 12/316:45 amONT - ORD
1 stop15h 27mFrontier
Sun 1/410:49 pmORD - ONT
1 stop20h 26mFrontier
Deal found 12/14$185
This CheapOair deal was found by Cheapflights users on 12/15. 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 12/296:00 pmONT - DTW
1 stop9h 54mFrontier
Fri 1/212:20 pmDTW - ONT
1 stop14h 39mFrontier
Deal found 12/15$208
This CheapOair deal was found by Cheapflights users on 12/14. 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 12/246:20 pmONT - ORD
1 stop23h 01mFrontier
Sun 1/410:49 pmORD - ONT
1 stop24h 28mFrontier
Deal found 12/14$218
This Frontier deal was found by Cheapflights users on 12/14. 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 12/256:07 pmONT - DTW
1 stop9h 47mFrontier
Fri 1/27:50 amDTW - ONT
1 stop12h 19mFrontier
Deal found 12/14$232
This Frontier deal was found by Cheapflights users on 12/15. 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 12/259:48 amONT - ORD
1 stop7h 04mFrontier
Thu 1/17:57 pmORD - ONT
1 stop13h 22mFrontier
Deal found 12/15$232
This CheapOair deal was found by Cheapflights users on 12/13. 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 stop25h 40mFrontier
Thu 1/17:50 amDTW - ONT
1 stop16h 27mFrontier
Deal found 12/13$233
This CheapOair deal was found by Cheapflights users on 12/14. 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.
Tue 12/306:00 amONT - ORD
1 stop6h 17mFrontier
Sun 1/410:49 pmORD - ONT
1 stop20h 26mFrontier
Deal found 12/14$235
This Frontier deal was found by Cheapflights users on 12/14. 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.
Sun 12/216:37 pmONT - DTW
1 stop9h 17mFrontier
Tue 1/67:51 amDTW - ONT
1 stop10h 18mFrontier
Deal found 12/14$238
This Trip.com deal was found by Cheapflights users on 12/14. 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.
Sat 12/205:16 pmONT - ORD
1 stop26h 23mFrontier
Sun 1/410:49 pmORD - ONT
1 stop20h 26mFrontier
Deal found 12/14$238
This CheapOair deal was found by Cheapflights users on 12/13. 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 amONT - DTW
1 stop21h 54mFrontier
Sun 1/47:50 amDTW - ONT
1 stop16h 37mFrontier
Deal found 12/13$239
This CheapOair deal was found by Cheapflights users on 12/14. 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 12/216:00 amONT - ORD
1 stop13h 39mFrontier
Sun 1/410:49 pmORD - ONT
1 stop20h 26mFrontier
Deal found 12/14$239
This Orbitz deal was found by Cheapflights users on 12/13. 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.
Tue 12/236:00 amONT - DTW
1 stop21h 54mFrontier
Mon 1/57:50 amDTW - ONT
1 stop12h 25mFrontier
Deal found 12/13$253

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 15, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$157
(Kiwi.com)

One-way from

$69
(Trip.com)

Popular in

November

Cheapest in

January

Average price

$365
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. 10% potential increase in price ($40 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 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 15, 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

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Mon 1/12

6:00 am-2:05 pm

1 stop6h 05m

Chicago Midway

Mon 1/19

9:09 pm-3:07 pm

1 stop19h 58m

$202

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Mon 12/29

6:00 pm-6:54 am

1 stop9h 54m

Detroit Metropolitan Wayne County

Fri 1/2

12:20 pm-11:59 pm

1 stop14h 39m

$208

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Sat 2/7

3:04 pm-4:30 am

1 stop10h 26m

Detroit Metropolitan Wayne County

Wed 2/18

3:50 pm-1:11 pm

2 stops24h 21m

$215

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Sat 1/17

7:15 am-11:24 am

1 stop25h 09m

Detroit Metropolitan Wayne County

Thu 1/22

7:20 pm-9:23 am

1 stop17h 03m

$221

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 12/25

6:07 pm-6:54 am

1 stop9h 47m

Detroit Metropolitan Wayne County

Fri 1/2

7:50 am-5:09 pm

1 stop12h 19m

$262

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Fri 1/16

6:10 am-7:54 pm

1 stop11h 44m

Chicago Midway

Sun 1/18

11:05 am-7:01 pm

1 stop9h 56m

$286

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Fri 12/26

5:54 pm-6:54 am

1 stop10h 00m

Detroit Metropolitan Wayne County

Fri 1/30

5:14 pm-12:20 am

1 stop10h 06m

$292

OntarioSouth Bend

ONT - SBN

ONTSBN

Ontario

Thu 12/25

5:05 am-6:57 pm

2 stops10h 52m

South Bend/Michiana

Thu 1/1

4:10 pm-10:25 pm

1 stop9h 15m

$294

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Thu 1/8

8:31 am-3:33 pm

1 stop29h 02m

Chicago Midway

Sun 1/11

9:15 am-11:56 pm

2 stops16h 41m

$298

OntarioChicago

ONT - ORD

ONTORD

Ontario

Wed 1/7

7:30 am-11:53 pm

1 stop14h 23m

Chicago O'Hare Intl

Mon 1/12

2:20 pm-10:51 pm

1 stop10h 31m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

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 15, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 50% 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 15, 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
7.9
Good
4,250 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

7.9

Comfort

8.0

Entertainment

7.5

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
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

7.9

Comfort

8.0

Entertainment

7.5

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
8,008 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

7.9

Comfort

8.0

Entertainment

7.5

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
9,092 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

7.9

Comfort

8.0

Entertainment

7.5

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
11,052 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

7.9

Comfort

8.0

Entertainment

7.5

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
3,080 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

7.9

Comfort

8.0

Entertainment

7.5

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 9h 08m. The distance between Ontario and Michigan is about 1774 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$147Average$177FlexibilityNo cancel feeOn-time65%
FrontierCheapest$155Average$281FlexibilityNo cancel feeOn-time62%
DeltaCheapest$292Average$454FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$310Average$469FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$314Average$520FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$367Average$493FlexibilityNo cancel feeOn-time63%

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