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$65+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DTW
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Ontario to Michigan

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Michigan (USMI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$130
(Frontier)

One-way from

$65
(Frontier)
From Ontario to Michigan
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One-way flight from Ontario to Michigan
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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 January 21, 2025.

This Frontier deal was found by Cheapflights users on 1/20. 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.
Mon 2/2412:59 amONT - DTW
1 stop10h 36mFrontier
Wed 2/261:00 pmDTW - ONT
1 stop7h 58mFrontier
Deal found 1/20$130
This CheapOair deal was found by Cheapflights users on 1/20. 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 2/187:58 pmONT - ORD
1 stop11h 53mFrontier
Thu 2/206:50 amORD - ONT
1 stop19h 19mFrontier
Deal found 1/20$158
This Trip.com deal was found by Cheapflights users on 1/20. 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 2/1011:57 amONT - MDW
1 stop8h 49mFrontier
Fri 2/147:25 amMDW - ONT
1 stop8h 18mFrontier
Deal found 1/20$159
This Gotogate deal was found by Cheapflights users on 1/20. 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.
Thu 5/112:16 pmONT - GRR
1 stop28h 31mFrontier
Fri 5/98:47 pmGRR - ONT
1 stop6h 12mFrontier
Deal found 1/20$175
This American Airlines deal was found by Cheapflights users on 1/21. 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 8/3111:59 pmONT - ORD
1 stop6h 44mAmerican Airlines
Thu 9/49:50 amORD - ONT
1 stop7h 01mAmerican Airlines
Deal found 1/21$247
This Delta deal was found by Cheapflights users on 1/20. 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 2/267:05 amONT - MDW
1 stop7h 15mDelta
Sat 3/13:41 pmMDW - ONT
1 stop9h 11mDelta
Deal found 1/20$257
This Delta deal was found by Cheapflights users on 1/20. 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 3/51:10 pmONT - ORD
1 stop8h 39mDelta
Tue 3/117:30 amORD - ONT
1 stop11h 12mDelta
Deal found 1/20$257
This Southwest deal was found by Cheapflights users on 1/20. 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.
Sat 2/157:05 amONT - MDW
Nonstop3h 45mSouthwest
Mon 2/179:00 amMDW - ONT
Nonstop4h 30mSouthwest
Deal found 1/20$281
This American Airlines deal was found by Cheapflights users on 1/19. 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 2/611:59 pmONT - SBN
1 stop8h 52mAmerican Airlines
Sun 2/97:15 amSBN - ONT
2 stops11h 14mAmerican Airlines
Deal found 1/19$319
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 4/166:00 amONT - ORD
1 stop8h 53mAlaska Airlines
Tue 4/226:00 amORD - ONT
1 stop11h 32mAlaska Airlines
Deal found 1/20$321
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 3/116:00 amONT - ORD
1 stop9h 06mUnited Airlines
Tue 3/182:35 pmORD - ONT
1 stop8h 22mUnited Airlines
Deal found 1/19$332
This Delta deal was found by Cheapflights users on 1/20. 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.
Fri 4/1810:59 pmONT - AZO
2 stops11h 24mDelta
Sun 4/206:05 pmAZO - ONT
2 stops8h 40mDelta
Deal found 1/20$333

Find flights from Ontario to Michigan within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Mon 2/24

12:59 am-2:35 pm

1 stop10h 36m

Detroit Metropolitan Wayne County

Wed 2/26

1:00 pm-5:58 pm

1 stop7h 58m

$130

OntarioChicago

ONT - ORD

ONTORD

Ontario

Tue 2/18

7:58 pm-9:51 am

1 stop11h 53m

Chicago O'Hare Intl

Thu 2/20

6:50 am-12:09 am

1 stop19h 19m

$158

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Mon 2/10

11:57 am-10:46 pm

1 stop8h 49m

Chicago Midway

Fri 2/14

7:25 am-1:43 pm

1 stop8h 18m

$159

OntarioGrand Rapids

ONT - GRR

ONTGRR

Ontario

Thu 5/1

12:16 pm-7:47 pm

1 stop28h 31m

Grand Rapids Gerald R. Ford Intl

Fri 5/9

8:47 pm-11:59 pm

1 stop6h 12m

$175

OntarioChicago

ONT - ORD

ONTORD

Ontario

Thu 4/24

7:25 pm-5:11 am

1 stop7h 46m

Chicago O'Hare Intl

Sat 4/26

6:50 am-11:46 am

1 stop6h 56m

$247

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Wed 2/26

7:05 am-4:20 pm

1 stop7h 15m

Chicago Midway

Sat 3/1

3:41 pm-10:52 pm

1 stop9h 11m

$257

OntarioChicago

ONT - ORD

ONTORD

Ontario

Wed 3/5

1:10 pm-11:49 pm

1 stop8h 39m

Chicago O'Hare Intl

Mon 3/10

7:15 pm-11:56 pm

1 stop6h 41m

$257

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Sat 2/15

7:05 am-12:50 pm

Nonstop3h 45m

Chicago Midway

Mon 2/17

9:00 am-11:30 am

Nonstop4h 30m

$281

OntarioChicago

ONT - ORD

ONTORD

Ontario

Tue 4/22

11:46 am-11:59 pm

1 stop10h 13m

Chicago O'Hare Intl

Wed 4/23

6:00 am-3:32 pm

1 stop11h 32m

$300

OntarioSouth Bend

ONT - SBN

ONTSBN

Ontario

Thu 2/6

11:59 pm-11:51 am

1 stop8h 52m

South Bend/Michiana

Sun 2/9

7:15 am-3:29 pm

2 stops11h 14m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 58 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.

Travel insights for flights from Ontario to Michigan

Get recent, data-driven insights about flights from Ontario to Michigan including ideal travel times, pricing trends, and more.

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 January 21, 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 January 21, 2025.
Read reviews from past customers who have flown American Airlines, Alaska Airlines and United Airlines from Ontario to Michigan. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,662 reviews

Crew

8.7

Comfort

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
4,662 reviews
Southwest
8.1
Very good
4,662 reviews

Crew

8.7

Comfort

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,706 reviews
Southwest
8.1
Very good
4,662 reviews

Crew

8.7

Comfort

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,521 reviews
Southwest
8.1
Very good
4,662 reviews

Crew

8.7

Comfort

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
8,984 reviews
Southwest
8.1
Very good
4,662 reviews

Crew

8.7

Comfort

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,662 reviews

Crew

8.7

Comfort

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

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 $65. Users have also found prices from $123 and $129 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.

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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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$126Average$308FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$152Average$256FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$248Average$523FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$278Average$533FlexibilityNo cancel feeOn-time69%
DeltaCheapest$297Average$463FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$394Average$547FlexibilityNo cancel feeOn-time63%
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