Detroit

$120+ Cheap flights from Ontario to Detroit (ONT - DTT)

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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DTT
abr. 8 — abr. 151
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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 (DTT). 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 abril 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$238
(Frontier)

One-way from

$120
(Mytrip)

Popular in

January

Cheapest in

July

Average price

$486
Provider with most accurate pricing for Ontario-Detroit (DTT) flight deals.
Provider most trusted by Cheapflights users for Ontario-Detroit (DTT) flights.
From Ontario to Detroit (DTT)
One-way flight from Ontario to Detroit (DTT)
Highest demand for flights based on searches. 18% potential increase in price ($100 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in April 2025

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 abril 3, 2025.

This Frontier deal was found by Cheapflights users on 4/1. 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.
mié. 4/2312:59 amONT - DTW
1 stop9h 40mFrontier
lun. 4/282:39 pmDTW - ONT
1 stop12h 20mFrontier
Deal found 4/1$238
This Expedia deal was found by Cheapflights users on 4/2. 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.
sáb. 5/34:29 pmONT - DTW
1 stop9h 42mMultiple Airlines
dom. 5/112:28 pmDTW - ONT
1 stop12h 31mMultiple Airlines
Deal found 4/2$324
This Alaska Airlines deal was found by Cheapflights users on 4/3. 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.
mié. 4/234:29 pmONT - DTW
1 stop9h 42mAlaska Airlines
mar. 4/297:00 amDTW - ONT
1 stop16h 29mAlaska Airlines
Deal found 4/3$386
This Delta deal was found by Cheapflights users on 4/1. 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.
mar. 7/291:00 pmONT - DTW
1 stop7h 59mDelta
mar. 8/128:13 pmDTW - ONT
1 stop6h 30mDelta
Deal found 4/1$387
This American Airlines deal was found by Cheapflights users on 4/2. 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.
mié. 4/2312:50 pmONT - DTW
2 stops8h 47mAmerican Airlines
mié. 4/3011:42 amDTW - ONT
1 stop9h 47mAmerican Airlines
Deal found 4/2$392
This Southwest deal was found by Cheapflights users on 4/2. 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.
mar. 8/56:30 amONT - DTW
2 stops8h 55mSouthwest
mié. 8/207:10 amDTW - ONT
2 stops7h 50mSouthwest
Deal found 4/2$397
This United Airlines deal was found by Cheapflights users on 4/1. 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.
jue. 4/245:00 amONT - DTW
2 stops9h 03mUnited Airlines
lun. 4/282:10 pmDTW - ONT
2 stops11h 45mUnited Airlines
Deal found 4/1$449

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 abril 3, 2025.
Use the filters below to find and compare flights from Ontario to Detroit that are best for you.

Fly from

Ontario

Fly to

Detroit

Route

Depart

Return

Price

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

mié. 4/23

12:59 am-1:39 pm

1 stop9h 40m

Detroit Metropolitan Wayne County

lun. 4/28

2:39 pm-11:59 pm

1 stop12h 20m

$238

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

sáb. 5/3

4:29 pm-5:11 am

1 stop9h 42m

Detroit Metropolitan Wayne County

dom. 5/11

2:28 pm-11:59 pm

1 stop12h 31m

$324

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

mié. 4/23

4:29 pm-5:11 am

1 stop9h 42m

Detroit Metropolitan Wayne County

mar. 4/29

7:00 am-8:29 pm

1 stop16h 29m

$386

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

mar. 7/29

1:00 pm-11:59 pm

1 stop7h 59m

Detroit Metropolitan Wayne County

mar. 8/12

8:13 pm-11:43 pm

1 stop6h 30m

$387

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

mié. 4/23

12:50 pm-12:37 am

2 stops8h 47m

Detroit Metropolitan Wayne County

mié. 4/30

11:42 am-6:29 pm

1 stop9h 47m

$392

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

mar. 8/5

6:30 am-6:25 pm

2 stops8h 55m

Detroit Metropolitan Wayne County

mié. 8/20

7:10 am-12:00 pm

2 stops7h 50m

$397

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

jue. 4/24

5:00 am-5:03 pm

2 stops9h 03m

Detroit Metropolitan Wayne County

lun. 4/28

2:10 pm-10:55 pm

2 stops11h 45m

$449

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

mié. 4/23

12:59 am-1:39 pm

1 stop9h 40m

$120

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

sáb. 4/19

8:39 am-9:14 pm

1 stop9h 35m

$128

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

sáb. 5/3

4:29 pm-5:11 am

1 stop9h 42m

$193

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 13 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 April.
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

*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 flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Detroit flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Detroit flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Detroit 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 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

What is the cheapest month to book a flight from Ontario to Detroit?

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

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 abril 3, 2025.

It’s optimal to fly from Ontario to Detroit in the afternoon. By choosing this option you can save up to 50% on the cost of your flight, compared to a flight at noon.

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 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 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, 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 abril 3, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Ontario to Detroit to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

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

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

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

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

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
8.0
Very good

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

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

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

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

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

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 round-trip?

    Flying on Frontier is currently your cheapest option to Detroit, with prices starting at $238. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and Delta, with the lowest prices starting at $386 and $387, respectively. These flights start at 45% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Ontario to Detroit one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $120. Alaska Airlines flights start at $193 while deals on Delta start at $194 one-way.

  • 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?

    Currently, April is the cheapest month in which you can book a flight from Ontario to Detroit (average of $257). Flying from Ontario to Detroit 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
Port Huron
Roseville

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Alternative routes for Ontario to Detroit

See prices for flight routes from nearby airports that may be better suited for you.

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 abril 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$127Average$245FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$152Average$246FlexibilityNo cancel feeOn-time65%
DeltaCheapest$298Average$527FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$337Average$483FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$341Average$534FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$394Average$604FlexibilityNo cancel feeOn-time63%

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