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$97+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DTW
May 6 — May 131
Tue 5/6
Tue 5/13
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 July, 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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$196
(Cheapflightsfares)

One-way from

$97
(Cheapflightsfares)

Popular in

March

Cheapest in

October

Average price

$386
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. 11% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($21 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 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 May 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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.
Wed 6/46:30 amONT - DTW
1 stop5h 56mFrontier
Tue 6/107:00 amDTW - ONT
1 stop6h 43mFrontier
Deal found 4/29$196
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 6/106:00 amONT - DTW
1 stop20h 14mAlaska Airlines
Wed 6/117:00 amDTW - ONT
1 stop11h 50mAlaska Airlines
Deal found 4/30$292
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Mon 6/912:59 amONT - DTW
1 stop6h 46mAmerican Airlines
Wed 6/113:12 pmDTW - ONT
1 stop9h 21mAmerican Airlines
Deal found 4/30$293
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/206:00 amONT - DTW
1 stop7h 37mUnited Airlines
Tue 5/276:09 pmDTW - ONT
1 stop7h 17mUnited Airlines
Deal found 4/30$335
This Expedia deal was found by Cheapflights users on 4/30. 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 5/1411:58 pmONT - DTW
1 stop10h 30mMultiple Airlines
Wed 5/217:00 amDTW - ONT
1 stop14h 25mMultiple Airlines
Deal found 4/30$337
This Delta deal was found by Cheapflights users on 4/30. 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 5/211:10 pmONT - DTW
1 stop7h 44mDelta
Sun 5/2512:29 pmDTW - ONT
1 stop6h 48mDelta
Deal found 4/30$340
This Hawaiian Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 8/184:00 pmONT - DTW
1 stop10h 03mHawaiian Airlines
Tue 8/197:00 amDTW - ONT
1 stop9h 26mHawaiian Airlines
Deal found 4/29$396
This Southwest deal was found by Cheapflights users on 4/29. 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 6/512:55 pmONT - DTW
2 stops9h 10mSouthwest
Thu 6/127:05 amDTW - ONT
2 stops9h 25mSouthwest
Deal found 4/29$521

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 May 1, 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 6/4

6:30 am-3:26 pm

1 stop5h 56m

Detroit Metropolitan Wayne County

Tue 6/10

7:00 am-10:43 am

1 stop6h 43m

$196

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Tue 6/10

6:00 am-5:14 am

1 stop20h 14m

Detroit Metropolitan Wayne County

Wed 6/11

7:00 am-3:50 pm

1 stop11h 50m

$292

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Mon 6/9

12:59 am-10:45 am

1 stop6h 46m

Detroit Metropolitan Wayne County

Wed 6/11

5:30 am-10:04 am

1 stop7h 34m

$293

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Tue 5/20

6:00 am-4:37 pm

1 stop7h 37m

Detroit Metropolitan Wayne County

Wed 5/28

6:00 am-12:14 pm

1 stop9h 14m

$335

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 5/28

4:45 pm-5:14 am

1 stop9h 29m

Detroit Metropolitan Wayne County

Sat 5/31

4:53 pm-10:46 pm

1 stop8h 53m

$339

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Sat 6/14

5:13 pm-5:05 am

1 stop8h 52m

Detroit Metropolitan Wayne County

Tue 6/24

8:12 am-12:17 pm

1 stop7h 05m

$340

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 5/29

1:20 pm-10:55 pm

1 stop6h 35m

Detroit Metropolitan Wayne County

Mon 6/2

5:40 am-11:00 am

2 stops8h 20m

$418

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 6/4

6:30 am-3:26 pm

1 stop5h 56m

$97

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Sat 6/14

7:00 am-5:40 am

1 stop19h 40m

$124

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Tue 6/17

1:15 pm-11:55 pm

1 stop7h 40m

$147

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 14 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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust 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 eDreams the most. eDreams 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 April 25, 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 May 1, 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 May 1, 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
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

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
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

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
4,294 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

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
7,934 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

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
2,408 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

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 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 ($196), Alaska Airlines ($292), and American Airlines ($293) offers the cheapest pricing from Ontario to Detroit Metropolitan Wayne County Airport. Frontier is currently priced 54% 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 ($97), Delta ($147), and United Airlines ($152).

  • 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
Sterling Heights
Warren
Novi
Troy
Southfield
Romulus
Waterford
Clarkston
Utica
Plymouth
Auburn Hills
Wixom
Monroe
Port Huron
Put-in-Bay
Belleville
Brighton
Livonia
Roseville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$244FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$148Average$247FlexibilityNo cancel feeOn-time65%
DeltaCheapest$298Average$527FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$356Average$504FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$378Average$534FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$394Average$604FlexibilityNo cancel feeOn-time63%

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