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$75+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DTT
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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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 November 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

September

Cheapest in

February

Round-trip from

$135
(Gotogate)

One-way from

$75
(CheapOair)
Provider with most accurate pricing for Ontario-Detroit (DTT) flight deals.
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Provider most trusted by Cheapflights users for Ontario-Detroit (DTT) flights.
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High demand for flights, 21% potential price rise
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Best time to find cheap flights, 39% potential price drop
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From Ontario to Detroit (DTT)
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One-way flight from Ontario to Detroit (DTT)
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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 November 20, 2024.

This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/47:45 amONT - DTW
1 stop25h 27mFrontier
Mon 12/99:08 pmDTW - ONT
1 stop29h 36mFrontier
Deal found 11/19$136
This Delta deal was found by Cheapflights users on 11/20. 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.
Tue 12/1710:00 pmONT - DTW
1 stop8h 06mDelta
Tue 1/145:45 pmDTW - ONT
1 stop9h 08mDelta
Deal found 11/20$356
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Fri 12/1312:50 pmONT - DTW
1 stop6h 51mAmerican Airlines
Tue 12/176:35 amDTW - ONT
2 stops11h 50mAmerican Airlines
Deal found 11/19$399
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/175:05 amONT - DTW
1 stop6h 46mUnited Airlines
Thu 12/198:20 amDTW - ONT
1 stop7h 20mUnited Airlines
Deal found 11/19$484
This Southwest deal was found by Cheapflights users on 11/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1911:25 amONT - DTW
2 stops8h 55mSouthwest
Mon 12/236:50 pmDTW - ONT
1 stop8h 20mSouthwest
Deal found 11/19$534
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/97:00 amONT - DTW
2 stops29h 20mAlaska Airlines
Sun 12/154:21 pmDTW - ONT
1 stop10h 38mAlaska Airlines
Deal found 11/19$640

Find flights from Ontario to Detroit within your budget

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 1/15

7:45 am-12:21 pm

1 stop25h 36m

Detroit Metropolitan Wayne County

Mon 1/20

9:14 pm-11:47 pm

1 stop29h 33m

$135

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Tue 12/17

10:00 pm-9:06 am

1 stop8h 06m

Detroit Metropolitan Wayne County

Tue 1/14

5:45 pm-11:53 pm

1 stop9h 08m

$356

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Tue 2/18

10:50 pm-9:05 am

1 stop7h 15m

Detroit Metropolitan Wayne County

Wed 2/26

8:05 am-6:26 pm

2 stops13h 21m

$360

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Tue 2/18

6:00 am-3:53 pm

1 stop30h 53m

Detroit Metropolitan Wayne County

Tue 2/25

4:49 pm-9:27 pm

1 stop31h 38m

$392

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 2/19

5:05 am-3:06 pm

1 stop7h 01m

Detroit Metropolitan Wayne County

Tue 2/25

9:15 am-8:55 pm

2 stops14h 40m

$460

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 1/16

1:15 pm-12:05 am

2 stops7h 50m

Detroit Metropolitan Wayne County

Mon 1/20

1:50 pm-9:25 pm

2 stops10h 35m

$487

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 12/4

7:45 am-12:12 pm

1 stop25h 27m

$75

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Sun 12/15

9:11 am-5:44 am

3 stops17h 33m

$173

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Fri 2/21

6:00 am-3:53 pm

1 stop30h 53m

$177

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 12/18

10:00 pm-9:14 am

1 stop8h 14m

$178

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 13 results
1
2

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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.

Travel insights for flights from Ontario to Detroit

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

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

Currently, December is the cheapest month in which you can book a flight from Ontario to Detroit (average of $253). Flying from Ontario to Detroit in July is currently the most expensive (average of $302). 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 November 20, 2024.

It’s optimal to fly from Ontario to Detroit in the afternoon. By choosing this option you can save up to 52% 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 November 20, 2024.
Peruse reviews from past customers who have flown with American Airlines, Alaska Airlines and United Airlines 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.
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

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
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

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
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

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
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

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
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

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
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

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 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 $135. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $356 and $360, respectively. These flights start at 64% 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 $75. Alaska Airlines flights start at $177 while deals on Delta start at $178 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, December is the cheapest month in which you can book a flight from Ontario to Detroit (average of $253). Flying from Ontario to Detroit in July is currently the most expensive (average of $302). 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 Detroit

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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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$127Average$246FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$152Average$286FlexibilityNo cancel feeOn-time65%
DeltaCheapest$277Average$520FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$336Average$478FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$340Average$604FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$341Average$557FlexibilityNo cancel feeOn-time69%
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