HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Detroit

$108+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DTW
may. 17 — may. 241
sáb. 5/17
sáb. 5/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Ontario to Detroit Metropolitan Wayne County are usually found in October or August, 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 mayo 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Priceline
3 stars

Round-trip from

$205
(Gotogate)

One-way from

$108
(Cheapflightsfares)

Popular in

March

Cheapest in

October

Average price

$386
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. 11% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

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 mayo 12, 2025.

This Gotogate deal was found by Cheapflights users on 5/11. 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.
mié. 5/211:08 pmONT - DTW
1 stop23h 18mFrontier
mié. 5/289:55 pmDTW - ONT
1 stop21h 36mFrontier
Deal found 5/11$205
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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.
mar. 6/104:45 pmONT - DTW
1 stop9h 29mAlaska Airlines
mié. 6/117:00 amDTW - ONT
1 stop11h 50mAlaska Airlines
Deal found 5/12$262
This American Airlines deal was found by Cheapflights users on 5/11. 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. 7/237:05 pmONT - DTW
1 stop7h 19mAmerican Airlines
mar. 7/295:28 amDTW - ONT
1 stop7h 33mAmerican Airlines
Deal found 5/11$263
This Delta deal was found by Cheapflights users on 5/12. 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.
mié. 7/91:15 pmONT - DTW
1 stop8h 08mDelta
mar. 7/227:00 amDTW - ONT
1 stop8h 14mDelta
Deal found 5/12$277
This Expedia deal was found by Cheapflights users on 5/11. 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.
jue. 6/126:00 amONT - DTW
1 stop6h 26mMultiple Airlines
mié. 7/97:00 amDTW - ONT
1 stop10h 46mMultiple Airlines
Deal found 5/11$295
This United Airlines deal was found by Cheapflights users on 5/11. 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. 6/126:41 pmONT - DTW
1 stop7h 17mUnited Airlines
mié. 7/93:41 pmDTW - ONT
2 stops10h 11mUnited Airlines
Deal found 5/11$296
This Southwest deal was found by Cheapflights users on 5/12. 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. 6/106:20 amONT - DTW
2 stops9h 25mSouthwest
mié. 6/116:35 amDTW - ONT
2 stops8h 50mSouthwest
Deal found 5/12$363
This JetBlue deal was found by Cheapflights users on 5/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/1511:00 pmONT - DTW
1 stop9h 30mJetBlue
mié. 10/2212:15 pmDTW - ONT
1 stop12h 26mJetBlue
Deal found 5/12$367
This Hawaiian Airlines deal was found by Cheapflights users on 5/11. 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.
mar. 7/14:00 pmONT - DTW
1 stop10h 03mHawaiian Airlines
jue. 7/317:00 amDTW - ONT
1 stop9h 26mHawaiian Airlines
Deal found 5/11$451

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 mayo 12, 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

mié. 5/28

5:21 pm-12:44 am

1 stop28h 23m

Detroit Metropolitan Wayne County

mar. 6/3

10:06 pm-11:44 am

1 stop16h 38m

$205

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

mar. 6/10

4:45 pm-5:14 am

1 stop9h 29m

Detroit Metropolitan Wayne County

mié. 6/11

7:00 am-3:50 pm

1 stop11h 50m

$262

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

mié. 7/23

7:05 pm-5:24 am

1 stop7h 19m

Detroit Metropolitan Wayne County

mar. 7/29

5:28 am-10:01 am

1 stop7h 33m

$263

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

mié. 7/9

1:15 pm-12:23 am

1 stop8h 08m

Detroit Metropolitan Wayne County

mar. 7/22

7:00 am-12:14 pm

1 stop8h 14m

$277

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

jue. 6/12

6:41 pm-4:58 am

1 stop7h 17m

Detroit Metropolitan Wayne County

mié. 7/9

3:41 pm-8:54 pm

1 stop8h 13m

$291

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

jue. 6/12

6:00 am-3:26 pm

1 stop6h 26m

Detroit Metropolitan Wayne County

mié. 7/9

7:00 am-2:46 pm

1 stop10h 46m

$295

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

mar. 6/10

6:20 am-6:45 pm

2 stops9h 25m

Detroit Metropolitan Wayne County

mié. 6/11

6:35 am-12:25 pm

2 stops8h 50m

$363

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

mié. 10/15

11:00 pm-11:30 am

1 stop9h 30m

Detroit Metropolitan Wayne County

mié. 10/22

12:15 pm-9:41 pm

1 stop12h 26m

$367

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

mar. 7/1

4:00 pm-5:03 am

1 stop10h 03m

Detroit Metropolitan Wayne County

jue. 7/31

7:00 am-1:26 pm

1 stop9h 26m

$451

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

jue. 6/5

6:00 am-3:26 pm

1 stop6h 26m

$108

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 17 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
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 Priceline the most. Priceline 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 May 9, 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 mayo 12, 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 mayo 12, 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
10,000 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

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
4,290 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

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
2,431 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

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
8,724 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

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 ($205), Alaska Airlines ($262), and American Airlines ($263) offers the cheapest pricing from Ontario to Detroit Metropolitan Wayne County Airport. Frontier is currently priced 53% 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 ($108), Hawaiian Airlines ($128), and Alaska Airlines ($131).

  • 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
Utica
Clarkston
Waterford
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 mayo 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$247FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$148Average$244FlexibilityNo cancel feeOn-time65%
DeltaCheapest$292Average$527FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$356Average$500FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$378Average$536FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$394Average$604FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.