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$132+ Cheap flights from Ontario to Detroit Metropolitan Wayne County Airport (ONT - DTW)

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DTW
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Detroit Metropolitan Wayne County are usually found in October or June, booked 54 days in advance, depart on a Friday or Tuesday and return on a Sunday

Cheap flight deals from Ontario to Detroit

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Detroit (DTW). 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$298
(Frontier)

One-way from

$132
(Trip.com)

Popular in

November

Cheapest in

October

Average price

$606
Provider with most accurate pricing for Ontario-Detroit Metropolitan Wayne County flight deals.
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Provider most trusted by Cheapflights users for Ontario-Detroit Metropolitan Wayne County flights.
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From Ontario to Detroit Metropolitan Wayne County
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One-way flight from Ontario to Detroit Metropolitan Wayne County
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Highest demand for flights based on searches. 13% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Ontario to Detroit

Cheapest flights from Ontario to Detroit
Explore the most affordable flight options available from Ontario to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

This Frontier deal was found by Cheapflights users on 3/24. 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 4/912:59 amONT - DTW
1 stop9h 53mFrontier
Fri 4/1110:44 amDTW - ONT
1 stop9h 07mFrontier
Deal found 3/24$298
This American Airlines deal was found by Cheapflights users on 3/23. 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 4/242:44 pmONT - DTW
1 stop6h 41mAmerican Airlines
Wed 4/306:40 pmDTW - ONT
1 stop6h 18mAmerican Airlines
Deal found 3/23$352
This Delta deal was found by Cheapflights users on 3/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/121:30 pmONT - DTW
1 stop6h 49mDelta
Sat 4/196:12 pmDTW - ONT
1 stop6h 53mDelta
Deal found 3/24$353
This United Airlines deal was found by Cheapflights users on 3/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/176:00 amONT - DTW
1 stop7h 37mUnited Airlines
Sun 5/256:00 amDTW - ONT
2 stops9h 31mUnited Airlines
Deal found 3/24$371
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/234:29 pmONT - DTW
1 stop9h 42mAlaska Airlines
Wed 4/307:00 amDTW - ONT
1 stop11h 32mAlaska Airlines
Deal found 3/24$388
This Southwest deal was found by Cheapflights users on 3/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/56:20 amONT - DTW
2 stops9h 05mSouthwest
Wed 8/202:30 pmDTW - ONT
1 stop8h 05mSouthwest
Deal found 3/24$392
This Expedia deal was found by Cheapflights users on 3/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/212:59 amONT - DTW
1 stop9h 53mMultiple Airlines
Wed 4/95:10 pmDTW - ONT
2 stops9h 49mMultiple Airlines
Deal found 3/23$597

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Detroit 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 March 25, 2025.
Use the filters below to find and compare flights from Ontario to Detroit Metropolitan Wayne County Airport that are best for you.

Fly from

Ontario

Fly to

Detroit

Route

Depart

Return

Price

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 4/9

12:59 am-1:52 pm

1 stop9h 53m

Detroit Metropolitan Wayne County

Fri 4/11

10:44 am-4:51 pm

1 stop9h 07m

$298

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 4/24

2:44 pm-12:25 am

1 stop6h 41m

Detroit Metropolitan Wayne County

Wed 4/30

6:40 pm-9:58 pm

1 stop6h 18m

$352

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Sat 4/12

1:30 pm-11:19 pm

1 stop6h 49m

Detroit Metropolitan Wayne County

Mon 4/21

4:15 pm-10:36 pm

1 stop9h 21m

$353

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Tue 8/5

6:00 am-3:28 pm

1 stop6h 28m

Detroit Metropolitan Wayne County

Wed 8/20

7:10 am-2:06 pm

1 stop9h 56m

$368

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Sat 5/17

6:00 am-4:37 pm

1 stop7h 37m

Detroit Metropolitan Wayne County

Sun 5/25

6:00 am-12:31 pm

2 stops9h 31m

$371

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 4/23

4:29 pm-5:11 am

1 stop9h 42m

Detroit Metropolitan Wayne County

Wed 4/30

7:00 am-3:32 pm

1 stop11h 32m

$388

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Tue 8/5

6:20 am-6:25 pm

2 stops9h 05m

Detroit Metropolitan Wayne County

Wed 8/20

2:30 pm-7:35 pm

1 stop8h 05m

$392

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Sun 5/4

2:28 pm-11:58 am

1 stop18h 30m

$132

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Mon 4/14

12:59 am-1:44 pm

1 stop9h 45m

$148

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Sat 5/10

1:10 pm-11:54 pm

1 stop7h 44m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/22

Showing 1-10 of 14 results
1
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Compare providers for flights from Ontario to Detroit

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Detroit in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Detroit Metropolitan Wayne County Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Detroit Metropolitan Wayne County Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Detroit Metropolitan Wayne County Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Detroit Metropolitan Wayne County Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Detroit Metropolitan Wayne County Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Detroit

Have a flexible travel schedule? Discover the best time to fly to Detroit 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 Detroit Metropolitan Wayne County Airport

How far ahead should I book a flight from Ontario to Detroit Metropolitan Wayne County Airport?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Detroit. Price data was last updated on March 21, 2025.

The best time to book flights from Ontario to Detroit Metropolitan Wayne County Airport is 54 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Ontario to Detroit Metropolitan Wayne County Airport?

Currently, April is the cheapest month in which you can book a flight from Ontario to Detroit Metropolitan Wayne County Airport (average of $257). Flying from Ontario to Detroit Metropolitan Wayne County Airport 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 DTW?

Find hourly flight availability from Ontario to Detroit. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

When flying from Ontario to Detroit Metropolitan Wayne County Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 46% versus a flight in the morning.

Rainfall in Detroit by month

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

In terms of precipitation, rainfall in Detroit Metropolitan Wayne County Airport 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 Detroit Metropolitan Wayne County Airport when rainfall is around 1.8 in.

Temperature in Detroit by month

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

If weather is an important factor for your trip to Detroit Metropolitan Wayne County Airport, 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 Detroit

Get insights into the airlines that provide service to Detroit. 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 Detroit. Reviews last updated March 25, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Ontario to Detroit. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,785 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,785 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,890 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,330 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Ontario to Detroit. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Ontario to Detroit Metropolitan Wayne County Airport round-trip?

    According to our current data, Frontier ($298), American Airlines ($352), and Delta ($353) offers the cheapest pricing from Ontario to Detroit Metropolitan Wayne County Airport. Frontier is currently priced 29% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Ontario to Detroit Metropolitan Wayne County Airport one-way?

    The cheapest airlines for a one-way flight from Ontario to Detroit Metropolitan Wayne County Airport are Frontier ($149), Hawaiian Airlines ($177), and American Airlines ($182).

  • Can I find deals for flights from Ontario to Detroit that include hotel bookings?

    Yes. In addition to deals on Ontario to Detroit flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Detroit?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Detroit.

  • Can I find deals for business class flights from Ontario to Detroit?

    Yes. Cheapflights offers flight deals from Ontario to Detroit 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 Detroit Metropolitan Wayne County Airport?

    Currently, April is the cheapest month in which you can book a flight from Ontario to Detroit Metropolitan Wayne County Airport (average of $257). Flying from Ontario to Detroit Metropolitan Wayne County Airport 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Dearborn
Warren
Sterling Heights
Novi
Troy
Southfield
Waterford
Belleville
Romulus
Clarkston
Utica
Plymouth
Auburn Hills
Wixom
Monroe
Put-in-Bay
Chelsea
Brighton
Livonia
Roseville

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Ontario to Detroit

Discover the top 6 airlines that operate flights from Ontario to Detroit. 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$127Average$246FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$152Average$246FlexibilityNo cancel feeOn-time65%
DeltaCheapest$298Average$529FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$336Average$480FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$341Average$534FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$394Average$604FlexibilityNo cancel feeOn-time63%
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