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$64+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DTW
Nov 9 — Nov 161
Sun 11/9
Sun 11/16
1 adult, Economy
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Find cheap flights from Ontario to Detroit with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Ontario to Detroit Metropolitan Wayne County are usually found in October or September, booked 47 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 October 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$206
(Kiwi.com)

One-way from

$64
(Cheapflightsfares)

Popular in

November

Cheapest in

October

Average price

$312
Provider with most accurate pricing for Ontario-Detroit Metropolitan Wayne County flight deals.
Search Deals
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 ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 10, 2025.

This CheapOair deal was found by Cheapflights users on 10/9. 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.
Sat 11/812:05 pmONT - DTW
1 stop28h 40mFrontier
Thu 11/135:14 pmDTW - ONT
1 stop9h 36mFrontier
Deal found 10/9$128
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/226:53 amONT - DTW
1 stop15h 06mFrontier
Mon 10/274:58 pmDTW - ONT
2 stops30h 44mFrontier
Deal found 10/9$191
This CheapOair deal was found by Cheapflights users on 10/9. 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.
Mon 10/206:53 amONT - DTW
1 stop15h 06mFrontier
Thu 10/236:00 amDTW - ONT
1 stop6h 35mFrontier
Deal found 10/9$198
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:00 amONT - DTW
1 stop12h 49mMultiple Airlines
Wed 11/129:53 pmDTW - ONT
1 stop23h 56mMultiple Airlines
Deal found 10/7$206
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/226:53 amONT - DTW
1 stop15h 06mFrontier
Sat 10/257:55 amDTW - ONT
1 stop18h 55mFrontier
Deal found 10/8$208
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/288:00 amONT - DTW
1 stop28h 47mMultiple Airlines
Wed 10/296:24 pmDTW - ONT
1 stop17h 46mMultiple Airlines
Deal found 10/8$217
This CheapOair deal was found by Cheapflights users on 10/9. 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.
Thu 11/67:39 amONT - DTW
1 stop7h 54mFrontier
Thu 11/135:14 pmDTW - ONT
1 stop20h 56mFrontier
Deal found 10/9$222
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:53 amONT - DTW
1 stop15h 06mFrontier
Wed 10/297:03 pmDTW - ONT
2 stops39h 26mFrontier
Deal found 10/9$231
This Mytrip deal was found by Cheapflights users on 10/8. 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.
Thu 11/137:22 amONT - DTW
1 stop8h 11mFrontier
Sun 11/169:35 pmDTW - ONT
1 stop16h 35mFrontier
Deal found 10/8$232
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/71:46 pmONT - DTW
1 stop16h 33mMultiple Airlines
Fri 11/147:25 pmDTW - ONT
2 stops18h 45mMultiple Airlines
Deal found 10/8$241

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 October 10, 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

Tue 10/21

7:04 am-11:22 pm

1 stop13h 18m

Detroit Metropolitan Wayne County

Tue 10/28

7:55 am-11:50 pm

1 stop18h 55m

$281

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Fri 11/14

6:11 pm-3:55 pm

1 stop18h 44m

Detroit Metropolitan Wayne County

Mon 11/17

4:51 pm-3:17 pm

1 stop25h 26m

$306

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Sat 11/1

11:59 am-4:55 pm

1 stop25h 56m

Detroit Metropolitan Wayne County

Tue 11/4

4:51 pm-3:17 pm

1 stop25h 26m

$306

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Sat 10/25

8:34 am-7:33 pm

1 stop7h 59m

Detroit Metropolitan Wayne County

Fri 10/31

5:14 pm-11:50 pm

1 stop9h 36m

$316

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Tue 1/6

4:36 pm-4:19 pm

1 stop20h 43m

Detroit Metropolitan Wayne County

Sun 1/11

5:15 pm-10:59 am

1 stop20h 44m

$345

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Tue 11/18

6:00 am-3:55 pm

1 stop30h 55m

Detroit Metropolitan Wayne County

Sun 11/23

4:53 pm-9:55 am

1 stop20h 02m

$354

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 10/15

7:15 am-11:22 pm

1 stop13h 07m

Detroit Metropolitan Wayne County

Fri 11/14

5:14 pm-11:50 pm

1 stop9h 36m

$356

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Sat 11/8

6:00 am-3:20 pm

1 stop6h 20m

Detroit Metropolitan Wayne County

Thu 11/13

8:12 pm-11:52 pm

1 stop6h 40m

$363

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 11/6

1:15 pm-11:59 pm

1 stop7h 44m

Detroit Metropolitan Wayne County

Tue 11/18

8:03 am-12:18 pm

1 stop7h 15m

$363

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 11/6

1:15 pm-11:59 pm

1 stop7h 44m

Detroit Metropolitan Wayne County

Wed 11/12

8:12 pm-11:52 pm

1 stop6h 40m

$363

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 22 results
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 October 3, 2025.

The best time to book flights from Ontario to Detroit Metropolitan Wayne County Airport is 47 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, February is the cheapest month in which you can book a flight from Ontario to Detroit Metropolitan Wayne County Airport (average of $99). Flying from Ontario to Detroit Metropolitan Wayne County Airport in June is currently the most expensive (average of $173). 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 October 10, 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 45% versus a flight in the morning.

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 October 10, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Ontario to Detroit Metropolitan Wayne County Airport 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
8.0
Very good
4,237 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Southwest
8.0
Very good
4,237 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Delta
8.0
Very good
7,969 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
United Airlines
7.4
Good
8,968 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
American Airlines
7.2
Good
11,043 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Frontier
5.8
Fair
3,143 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

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.

  • How long is the flight from Ontario to Detroit Metropolitan Wayne County Airport?

    Departing from Ontario to Detroit Metropolitan Wayne County Airport will take you 13h 18m. Airlines will cover a distance of 1929 mi. This flight may include one or multiple stops.

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

    According to our current data, Spirit Airlines ($147), Frontier ($149), and Delta ($292) offers the cheapest pricing from Ontario to Detroit Metropolitan Wayne County Airport. Spirit Airlines is currently priced 68% below the average price you’ll pay for this route.

  • 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, February is the cheapest month in which you can book a flight from Ontario to Detroit Metropolitan Wayne County Airport (average of $99). Flying from Ontario to Detroit Metropolitan Wayne County Airport in June is currently the most expensive (average of $173). 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 Detroit Metropolitan Wayne County Airport?

Book flights to Detroit Metropolitan Wayne County Airport if you plan to visit one of these locations
Sterling Heights
Dearborn
Warren
Southfield
Troy
Novi
Clarkston
Allen Park
Utica
Romulus
Plymouth
Monroe
Wixom
Brighton
Livonia
Roseville
Fremont
Port Huron
Auburn Hills
Madison Heights

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 October 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$147Average$177FlexibilityNo cancel feeOn-time65%
FrontierCheapest$149Average$283FlexibilityNo cancel feeOn-time62%
DeltaCheapest$292Average$484FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$324Average$504FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$394Average$550FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$408Average$626FlexibilityNo cancel feeOn-time69%

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