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$100+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DTW
mai 18 — mai 251
dim. 5/18
dim. 5/25
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 mai 13, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$199
(American Airlines)

One-way from

$100
(Frontier)

Popular in

March

Cheapest in

January

Average price

$345
Provider with most accurate pricing for Los Angeles-Detroit (DTT) flight deals.
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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 ($38 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 May 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 mai 13, 2025.

This American Airlines deal was found by Cheapflights users on 5/12. 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.
sam. 5/2410:40 pmONT - SBN
1 stop9h 53mAmerican Airlines
mer. 5/2812:39 pmSBN - ONT
1 stop8h 57mAmerican Airlines
Deal found 5/12$199
This Cheapflightsfares deal was found by Cheapflights users on 5/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/36:30 amONT - DTW
1 stop5h 56mFrontier
mar. 6/107:00 amDTW - ONT
1 stop6h 43mFrontier
Deal found 5/13$208
This Booking.com deal was found by Cheapflights users on 5/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/2912:59 amONT - GRR
1 stop15h 49mFrontier
lun. 6/28:44 pmGRR - ONT
1 stop6h 06mFrontier
Deal found 5/12$230
This United Airlines deal was found by Cheapflights users on 5/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 6/256:41 pmONT - ORD
1 stop8h 23mUnited Airlines
sam. 7/127:35 pmORD - ONT
Nonstop4h 31mUnited Airlines
Deal found 5/11$237
This Trip.com deal was found by Cheapflights users on 5/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/305:21 pmONT - MDW
1 stop25h 32mFrontier
lun. 6/26:25 amMDW - ONT
1 stop7h 55mFrontier
Deal found 5/11$238
This Gotogate deal was found by Cheapflights users on 5/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 6/112:59 amONT - ORD
1 stop21h 00mFrontier
lun. 6/96:00 amORD - ONT
1 stop19h 50mFrontier
Deal found 5/12$238
This Hawaiian Airlines deal was found by Cheapflights users on 5/12. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/2611:39 amONT - ORD
1 stop10h 20mHawaiian Airlines
sam. 8/306:20 amORD - ONT
1 stop9h 49mHawaiian Airlines
Deal found 5/12$246
This Southwest deal was found by Cheapflights users on 5/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 7/258:05 pmONT - MDW
1 stop6h 55mSouthwest
lun. 7/285:50 amMDW - ONT
1 stop6h 35mSouthwest
Deal found 5/13$247
This Delta deal was found by Cheapflights users on 5/12. 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.
ven. 6/131:15 pmONT - ORD
1 stop6h 54mDelta
lun. 6/167:20 pmORD - ONT
1 stop6h 26mDelta
Deal found 5/12$257
This Alaska Airlines deal was found by Cheapflights users on 5/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/104:45 pmONT - DTW
1 stop9h 29mAlaska Airlines
mer. 6/117:00 amDTW - ONT
1 stop11h 50mAlaska Airlines
Deal found 5/13$262
This Delta deal was found by Cheapflights users on 5/12. 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.
mer. 6/115:50 pmONT - MDW
2 stops12h 54mDelta
mar. 6/174:26 pmMDW - ONT
1 stop7h 59mDelta
Deal found 5/12$262
This American Airlines deal was found by Cheapflights users on 5/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/1011:59 pmONT - DTW
1 stop7h 46mAmerican Airlines
mer. 6/114:06 pmDTW - ONT
1 stop9h 56mAmerican Airlines
Deal found 5/13$263

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 mai 13, 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

OntarioSouth Bend

ONT - SBN

ONTSBN

Ontario

sam. 5/24

10:40 pm-11:33 am

1 stop9h 53m

South Bend/Michiana

mer. 5/28

12:39 pm-6:36 pm

1 stop8h 57m

$199

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

mar. 6/3

6:30 am-3:26 pm

1 stop5h 56m

Detroit Metropolitan Wayne County

mar. 6/10

7:00 am-10:43 am

1 stop6h 43m

$208

OntarioGrand Rapids

ONT - GRR

ONTGRR

Ontario

jeu. 5/29

12:59 am-7:48 pm

1 stop15h 49m

Grand Rapids Gerald R. Ford Intl

lun. 6/2

8:44 pm-11:50 pm

1 stop6h 06m

$230

OntarioChicago

ONT - ORD

ONTORD

Ontario

mer. 6/25

6:41 pm-5:04 am

1 stop8h 23m

Chicago O'Hare Intl

sam. 7/12

7:35 pm-10:06 pm

Nonstop4h 31m

$237

OntarioChicago

ONT - MDW

ONTMDW

Ontario

ven. 5/30

5:21 pm-8:53 pm

1 stop25h 32m

Chicago Midway

lun. 6/2

6:25 am-12:20 pm

1 stop7h 55m

$238

OntarioChicago

ONT - ORD

ONTORD

Ontario

dim. 6/1

12:59 am-11:59 pm

1 stop21h 00m

Chicago O'Hare Intl

lun. 6/9

6:00 am-11:50 pm

1 stop19h 50m

$238

OntarioChicago

ONT - ORD

ONTORD

Ontario

mar. 8/26

11:39 am-11:59 pm

1 stop10h 20m

Chicago O'Hare Intl

sam. 8/30

6:20 am-2:09 pm

1 stop9h 49m

$246

OntarioChicago

ONT - MDW

ONTMDW

Ontario

ven. 7/25

8:05 pm-5:00 am

1 stop6h 55m

Chicago Midway

lun. 7/28

5:50 am-10:25 am

1 stop6h 35m

$247

OntarioChicago

ONT - ORD

ONTORD

Ontario

ven. 6/13

1:15 pm-10:09 pm

1 stop6h 54m

Chicago O'Hare Intl

mar. 6/17

7:20 pm-11:46 pm

1 stop6h 26m

$257

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

mar. 6/10

4:45 pm-5:14 am

1 stop9h 29m

Detroit Metropolitan Wayne County

mer. 6/11

7:00 am-3:50 pm

1 stop11h 50m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

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 mai 13, 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 mai 13, 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

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

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

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

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
4,290 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

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
7,949 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

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
2,434 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

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
8,726 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

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 $100. Users have also found prices from $114 and $114 on Southwest and United 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 mai 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$327FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$148Average$244FlexibilityNo cancel feeOn-time65%
DeltaCheapest$239Average$457FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$496FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$285Average$511FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$394Average$542FlexibilityNo cancel feeOn-time63%

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