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$64+ Cheap flights from Detroit to Ontario (DTT - ONT)

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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — ONT
Dec 24 — Dec 311
Tue 12/24
Tue 12/31
1 adult, Economy
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Cheap flight deals from Detroit to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Ontario (ONT). 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 December 19, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$128
(Frontier)

One-way from

$64
(Cheapflightsfares)

Popular in

April

Cheapest in

September

Average price

$468
Provider with most accurate pricing for Detroit (DTT)-Ontario flight deals.
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Provider most trusted by Cheapflights users for Detroit (DTT)-Ontario flights.
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From Detroit (DTT) to Ontario
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One-way flight from Detroit (DTT) to Ontario
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High demand for flights, 7% potential price rise
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Best time to find cheap flights, 6% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Detroit to Ontario

Cheapest flights from Detroit to Ontario
Explore the most affordable flight options available from Detroit to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2024.

This Gotogate deal was found by Cheapflights users on 12/17. 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.
Tue 12/2410:20 pmDTW - ONT
1 stop28h 39mFrontier
Mon 12/3012:59 amONT - DTW
1 stop17h 31mFrontier
Deal found 12/17$385
This Delta deal was found by Cheapflights users on 12/18. 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 12/258:10 amDTW - ONT
1 stop6h 58mDelta
Tue 12/311:05 pmONT - DTW
1 stop8h 39mDelta
Deal found 12/18$547
This American Airlines deal was found by Cheapflights users on 12/18. 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.
Wed 12/257:42 amDTW - ONT
1 stop11h 59mAmerican Airlines
Tue 12/3110:02 amONT - DTW
2 stops10h 24mAmerican Airlines
Deal found 12/18$656
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/314:53 pmDTW - ONT
1 stop8h 36mUnited Airlines
Sat 2/85:10 amONT - DTW
1 stop14h 05mUnited Airlines
Deal found 12/17$686
This Southwest deal was found by Cheapflights users on 12/18. 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.
Mon 12/3012:30 pmDTW - ONT
1 stop7h 00mSouthwest
Mon 1/69:05 amONT - DTW
2 stops8h 55mSouthwest
Deal found 12/18$719
This Alaska Airlines deal was found by Cheapflights users on 12/18. 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 12/234:40 pmDTW - ONT
1 stop29h 57mAlaska Airlines
Tue 1/76:00 amONT - DTW
1 stop30h 44mAlaska Airlines
Deal found 12/18$987

Find flights from Detroit to Ontario within your budget

Customize your flight search to find flights from Detroit to Ontario 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 December 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Sat 2/22

2:28 pm-7:09 pm

1 stop7h 41m

Ontario

Tue 2/25

7:58 pm-12:00 pm

1 stop13h 02m

$128

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Wed 5/7

8:15 am-3:12 pm

1 stop9h 57m

Ontario

Wed 5/7

6:55 pm-6:47 am

1 stop8h 52m

$376

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Wed 1/29

12:15 pm-5:45 pm

1 stop8h 30m

Ontario

Wed 2/5

9:20 am-8:35 pm

2 stops8h 15m

$395

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Tue 2/11

8:09 am-6:37 pm

2 stops13h 28m

Ontario

Sat 2/15

2:54 pm-12:57 am

1 stop7h 03m

$410

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Thu 1/9

12:16 pm-10:32 pm

1 stop13h 16m

Ontario

Wed 1/15

4:05 pm-6:26 am

1 stop11h 21m

$413

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Wed 2/12

9:00 am-8:51 pm

1 stop14h 51m

Ontario

Wed 2/19

5:05 am-10:09 pm

1 stop14h 04m

$493

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Sat 2/22

2:28 pm-7:09 pm

1 stop7h 41m

$64

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Tue 1/14

8:10 pm-3:25 pm

1 stop22h 15m

$197

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Wed 1/22

4:42 pm-10:38 am

1 stop20h 56m

$207

DetroitOntario

DTW - ONT

DTWONT

Detroit Metropolitan Wayne County

Mon 1/13

10:45 am-6:24 pm

2 stops10h 39m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 11 results
1
2

Compare providers for flights from Detroit to Ontario

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 Detroit to Ontario in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust 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 Detroit-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit-Ontario 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 Detroit-Ontario 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 Detroit to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Detroit 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 Detroit to Ontario

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

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

Currently, September is the cheapest month in which you can book a flight from Detroit to Ontario (average of $236). Flying from Detroit to Ontario in December is currently the most expensive (average of $298). 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 DTT to ONT?

Find hourly flight availability from Detroit to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 19, 2024.

A simple way to save on the total cost of your ticket is to fly from Detroit to Ontario in the evening. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Detroit to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Detroit to Ontario. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Detroit to Ontario flight should consider departing on Monday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated December 19, 2024.
Read reviews from past customers who have flown Frontier, American Airlines and Alaska Airlines from Detroit to Ontario. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,836 reviews

Boarding

8.2

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,836 reviews
Southwest
8.1
Very good
4,836 reviews

Boarding

8.2

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,552 reviews
Southwest
8.1
Very good
4,836 reviews

Boarding

8.2

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,604 reviews
Southwest
8.1
Very good
4,836 reviews

Boarding

8.2

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,048 reviews
Southwest
8.1
Very good
4,836 reviews

Boarding

8.2

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,836 reviews

Boarding

8.2

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Detroit to Ontario. 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 Detroit to Ontario round-trip?

    Cheapflights users have booked flights from Detroit to Ontario round-trip from $128. Other airlines that can offer you cheap pricing are Alaska Airlines, from $376, and Southwest, from $395. Users have found that Frontier is 67% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Detroit to Ontario one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $64. However, be on the lookout for offers from Delta and Alaska Airlines, as they are both options that can get you from Detroit to Ontario for a low price.

  • Can I find deals for flights from Detroit to Ontario that include hotel bookings?

    Yes. In addition to deals on Detroit to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Detroit to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Ontario.

  • Can I find deals for business class flights from Detroit to Ontario?

    Yes. Cheapflights offers flight deals from Detroit to Ontario 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 Detroit to Ontario?

    Currently, September is the cheapest month in which you can book a flight from Detroit to Ontario (average of $236). Flying from Detroit to Ontario in December is currently the most expensive (average of $298). 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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Top 5 airlines flying from Detroit to Ontario

Discover the top 5 airlines that operate flights from Detroit to Ontario. 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 December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$137Average$222FlexibilityNo cancel feeOn-time65%
FrontierCheapest$148Average$245FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$336Average$484FlexibilityNo cancel feeOn-time71%
DeltaCheapest$337Average$536FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$400Average$518FlexibilityNo cancel feeOn-time63%
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