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$59+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DTW
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/258:40 am
ONT
-
DTW
1 stop12h 00m
Frontier
Wed 3/48:30 am
DTW
-
ONT
1 stop16h 04m
Frontier
Deal found 1/27$149
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/279:43 pm
ONT
-
DTW
2 stops23h 12m
Frontier
Tue 3/38:30 am
DTW
-
ONT
1 stop16h 04m
Frontier
Deal found 1/26$157
This CheapOair deal was found by Cheapflights users on 1/27. 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.
Wed 2/187:30 am
ONT
-
DTW
1 stop13h 10m
Frontier
Wed 2/258:30 am
DTW
-
ONT
1 stop28h 04m
Frontier
Deal found 1/27$159
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 3/186:15 am
ONT
-
DTW
1 stop25h 44m
Frontier
Tue 3/2411:54 am
DTW
-
ONT
1 stop15h 05m
Frontier
Deal found 1/28$166
This Mytrip deal was found by Cheapflights users on 1/28. 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 2/262:08 pm
ONT
-
DTW
1 stop6h 47m
Frontier
Mon 3/26:52 pm
DTW
-
ONT
1 stop8h 07m
Frontier
Deal found 1/28$168
This CheapOair deal was found by Cheapflights users on 1/28. 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 2/236:10 am
ONT
-
DTW
1 stop14h 45m
Frontier
Wed 2/258:30 am
DTW
-
ONT
1 stop16h 04m
Frontier
Deal found 1/28$169
This Gotogate deal was found by Cheapflights users on 1/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/192:08 pm
ONT
-
DTW
1 stop17h 56m
Frontier
Wed 2/258:30 am
DTW
-
ONT
1 stop16h 04m
Frontier
Deal found 1/28$171
This Trip.com deal was found by Cheapflights users on 1/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/126:05 am
ONT
-
DTW
1 stop14h 50m
Frontier
Wed 2/188:30 am
DTW
-
ONT
1 stop16h 04m
Frontier
Deal found 1/27$185
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/258:40 am
ONT
-
DTW
1 stop12h 00m
Multiple Airlines
Wed 3/42:35 pm
DTW
-
ONT
2 stops21h 59m
Multiple Airlines
Deal found 1/27$187
This CheapOair deal was found by Cheapflights users on 1/26. 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.
Wed 3/48:40 am
ONT
-
DTW
1 stop12h 00m
Frontier
Wed 3/1111:54 am
DTW
-
ONT
1 stop15h 05m
Frontier
Deal found 1/26$190

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$149
(Kiwi.com)

One-way from

$59
(Trip.com)

Popular in

August

Cheapest in

October

Average price

$452
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.
Search Deals
From Ontario to Detroit Metropolitan Wayne County
Search Deals
One-way flight from Ontario to Detroit Metropolitan Wayne County
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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 3/18

6:15 am-10:59 am

1 stop25h 44m

Detroit Metropolitan Wayne County

Tue 3/24

11:54 am-11:59 pm

1 stop15h 05m

$166

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 3/4

8:40 am-11:40 pm

1 stop12h 00m

Detroit Metropolitan Wayne County

Wed 3/11

11:54 am-11:59 pm

1 stop15h 05m

$190

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Fri 2/13

6:00 am-11:55 pm

1 stop14h 55m

Detroit Metropolitan Wayne County

Tue 2/17

7:15 pm-1:11 pm

1 stop20h 56m

$265

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 2/26

2:08 pm-11:55 pm

1 stop6h 47m

Detroit Metropolitan Wayne County

Sun 3/1

6:00 am-11:59 pm

1 stop20h 59m

$275

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 4/15

10:15 pm-9:22 am

1 stop8h 07m

Detroit Metropolitan Wayne County

Sat 4/18

8:00 am-12:14 pm

1 stop7h 14m

$277

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Wed 3/25

1:20 pm-11:59 pm

1 stop7h 39m

Detroit Metropolitan Wayne County

Wed 4/1

5:46 pm-11:51 pm

1 stop9h 05m

$277

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Thu 2/12

6:05 am-11:55 pm

1 stop14h 50m

Detroit Metropolitan Wayne County

Sun 2/15

7:15 am-2:29 pm

1 stop10h 14m

$290

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Fri 3/27

4:22 pm-8:36 pm

1 stop25h 14m

Detroit Metropolitan Wayne County

Thu 4/2

11:54 am-11:56 pm

1 stop15h 02m

$321

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Fri 5/1

1:29 pm-11:58 pm

1 stop7h 29m

Detroit Metropolitan Wayne County

Sat 5/9

1:45 pm-6:15 pm

1 stop7h 30m

$326

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Fri 3/27

1:20 pm-11:59 pm

1 stop7h 39m

Detroit Metropolitan Wayne County

Wed 4/1

5:46 pm-11:51 pm

1 stop9h 05m

$326

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 23 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice 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 January 23, 2026.

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.

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 January 29, 2026.
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
4,267 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,128 reviews
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,215 reviews
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,205 reviews
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Frontier
5.7
Fair
3,056 reviews
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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 8h 07m. 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 ($128), Frontier ($170), and American Airlines ($272) offers the cheapest pricing from Ontario to Detroit Metropolitan Wayne County Airport. Spirit Airlines is currently priced 67% 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 ($82), Delta ($146), and Southwest ($148).

  • 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
Dearborn
Southfield
Sterling Heights
Troy
Warren
Auburn Hills
Allen Park
Clarkston
Rochester Hills
Roseville
Romulus
Utica
Monroe
Wixom
Ypsilanti
Brighton
Livonia
Plymouth
Fremont
Port Huron

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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$128Average$177FlexibilityNo cancel feeOn-time65%
FrontierCheapest$170Average$285FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$272Average$442FlexibilityNo cancel feeOn-time71%
DeltaCheapest$292Average$439FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$321Average$496FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$352Average$477FlexibilityNo cancel feeOn-time63%

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