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$112+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DTW
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$235
(Booking.com)

One-way from

$112
(Trip.com)

Popular in

March

Cheapest in

January

Average price

$307
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. 9% potential increase in price ($36 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 June 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 June 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/10. 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 7/76:00 amONT - DTW
1 stop6h 28mFrontier
Mon 7/1410:08 pmDTW - ONT
1 stop21h 12mFrontier
Deal found 6/10$235
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Fri 8/229:59 amONT - MDW
1 stop9h 49mFrontier
Mon 8/256:31 pmMDW - ONT
1 stop7h 19mFrontier
Deal found 6/10$244
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Thu 8/2112:59 amONT - ORD
1 stop7h 38mFrontier
Mon 8/2512:31 pmORD - ONT
1 stop8h 03mFrontier
Deal found 6/10$244
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Sun 9/2812:59 amONT - GRR
1 stop15h 40mFrontier
Sat 10/48:34 pmGRR - ONT
1 stop6h 16mFrontier
Deal found 6/10$262
This American Airlines deal was found by Cheapflights users on 6/11. 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 7/1412:59 amONT - SBN
1 stop8h 02mAmerican Airlines
Tue 7/225:16 pmSBN - ONT
1 stop7h 22mAmerican Airlines
Deal found 6/11$277
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/134:00 pmONT - ORD
1 stop11h 40mAlaska Airlines
Sat 8/166:00 amORD - ONT
1 stop10h 46mAlaska Airlines
Deal found 6/11$283
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 7/910:05 pmONT - SBN
1 stop9h 55mDelta
Tue 7/156:15 amSBN - ONT
1 stop7h 15mDelta
Deal found 6/10$283
This American Airlines deal was found by Cheapflights users on 6/12. 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 8/166:10 amONT - TVC
1 stop7h 28mAmerican Airlines
Wed 8/275:23 pmTVC - ONT
1 stop8h 25mAmerican Airlines
Deal found 6/12$289
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 7/316:15 amONT - ORD
1 stop5h 48mAmerican Airlines
Thu 7/315:08 pmORD - ONT
1 stop7h 02mAmerican Airlines
Deal found 6/11$295
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2711:39 amONT - DTW
1 stop14h 26mAlaska Airlines
Wed 9/104:51 pmDTW - ONT
1 stop20h 53mAlaska Airlines
Deal found 6/12$296
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 11/511:00 amONT - GRR
1 stop7h 56mAmerican Airlines
Wed 11/127:27 amGRR - ONT
1 stop7h 09mAmerican Airlines
Deal found 6/11$297
This Delta deal was found by Cheapflights users on 6/12. 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.
Mon 8/41:15 pmONT - DTW
1 stop8h 08mDelta
Thu 8/145:25 amDTW - ONT
1 stop8h 10mDelta
Deal found 6/12$297

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 June 12, 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

Mon 7/7

6:00 am-3:28 pm

1 stop6h 28m

Detroit Metropolitan Wayne County

Mon 7/14

10:08 pm-4:20 pm

1 stop21h 12m

$235

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Fri 8/22

9:59 am-9:48 pm

1 stop9h 49m

Chicago Midway

Mon 8/25

6:31 pm-11:50 pm

1 stop7h 19m

$244

OntarioChicago

ONT - ORD

ONTORD

Ontario

Thu 8/21

12:59 am-10:37 am

1 stop7h 38m

Chicago O'Hare Intl

Mon 8/25

12:31 pm-6:34 pm

1 stop8h 03m

$244

OntarioGrand Rapids

ONT - GRR

ONTGRR

Ontario

Sun 9/28

12:59 am-7:39 pm

1 stop15h 40m

Grand Rapids Gerald R. Ford Intl

Sat 10/4

8:34 pm-11:50 pm

1 stop6h 16m

$262

OntarioSouth Bend

ONT - SBN

ONTSBN

Ontario

Mon 7/14

12:59 am-12:01 pm

1 stop8h 02m

South Bend/Michiana

Tue 7/22

5:16 pm-9:38 pm

1 stop7h 22m

$277

OntarioChicago

ONT - ORD

ONTORD

Ontario

Wed 8/13

4:00 pm-5:40 am

1 stop11h 40m

Chicago O'Hare Intl

Sat 8/16

6:00 am-2:46 pm

1 stop10h 46m

$283

OntarioSouth Bend

ONT - SBN

ONTSBN

Ontario

Wed 7/9

10:05 pm-11:00 am

1 stop9h 55m

South Bend/Michiana

Tue 7/15

6:15 am-10:30 am

1 stop7h 15m

$283

OntarioTraverse City

ONT - TVC

ONTTVC

Ontario

Sat 8/16

6:10 am-4:38 pm

1 stop7h 28m

Traverse City Cherry Capital

Wed 8/27

5:23 pm-10:48 pm

1 stop8h 25m

$289

OntarioChicago

ONT - ORD

ONTORD

Ontario

Thu 7/31

6:15 am-2:03 pm

1 stop5h 48m

Chicago O'Hare Intl

Thu 7/31

5:08 pm-10:10 pm

1 stop7h 02m

$295

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 8/27

11:39 am-5:05 am

1 stop14h 26m

Detroit Metropolitan Wayne County

Wed 9/10

4:51 pm-10:44 am

1 stop20h 53m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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, 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 June 12, 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.

Rainfall in Michigan by month

Plan your trip to Michigan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Michigan ranges from 1.8 - 3.1 inches per month. August is typically the wettest month, when rainfall can reach 3.1 in. January is typically the driest time to visit Michigan when rainfall is around 1.8 in.

Temperature in Michigan by month

Plan your trip to Michigan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Michigan, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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 June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Ontario to Michigan. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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 $128. Users have also found prices from $137 and $138 on Alaska Airlines and Delta, 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 - Chicago Midway and Ontario - Detroit Metropolitan Wayne County.

  • 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$127Average$330FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$145Average$250FlexibilityNo cancel feeOn-time65%
DeltaCheapest$239Average$458FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$278Average$511FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$298Average$493FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$394Average$538FlexibilityNo cancel feeOn-time63%

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