$80+ Cheap flights from Detroit Metropolitan Wayne County Airport to Ontario (DTW - ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — ONT
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from Detroit to Ontario 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.Cheap flight deals from Detroit to Ontario
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Cheapest flights from Detroit to OntarioExplore 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 September 11, 2026.
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 September 11, 2026.
This Expedia deal was found by Cheapflights users on 9/10. 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 10/217:08 am -
1 stop19h 42m
Tue 10/276:25 am -
1 stop6h 09m
Deal found 9/10![Frontier logo]()
$163
This Trip.com deal was found by Cheapflights users on 9/10. 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.
Sat 11/147:00 am -
1 stop6h 42m
Tue 11/176:25 am -
1 stop6h 09m
Deal found 9/10![Frontier logo]()
$168
This Trip.com deal was found by Cheapflights users on 9/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:00 am -
1 stop6h 35m
Tue 11/1011:52 am -
1 stop8h 59m
Deal found 9/9![Frontier logo]()
$169
This Trip.com deal was found by Cheapflights users on 9/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:00 am -
1 stop6h 35m
Sat 11/146:25 am -
1 stop6h 09m
Deal found 9/8![Frontier logo]()
$179
This Trip.com deal was found by Cheapflights users on 9/10. 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.
Tue 10/207:08 am -
1 stop6h 21m
Sat 10/246:15 am -
1 stop6h 19m
Deal found 9/10![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/217:08 am -
1 stop6h 21m
Wed 10/2811:52 am -
1 stop8h 59m
Deal found 9/10![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sat 10/248:35 pm -
1 stop6h 15m
Tue 10/2711:52 am -
1 stop8h 59m
Deal found 9/10![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/208:35 pm -
1 stop6h 15m
Wed 10/2811:52 am -
1 stop8h 59m
Deal found 9/10![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/217:08 am -
1 stop6h 21m
Sat 10/246:15 am -
1 stop6h 19m
Deal found 9/10![Frontier logo]()
$188
This Trip.com deal was found by Cheapflights users on 9/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:08 am -
1 stop6h 22m
Wed 10/1411:52 am -
1 stop9h 03m
Deal found 9/9![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sun 11/18:35 pm -
1 stop17h 00m
Sat 11/711:52 am -
1 stop8h 59m
Deal found 9/10![Frontier logo]()
$199
Best flights from Detroit to OntarioDiscover carefully curated flight deals from Detroit to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Detroit to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This CheapOair deal was found by Cheapflights users on 9/10. 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 11/147:00 am -
1 stop6h 42m
Mon 11/168:03 pm -
1 stop10h 16m
Deal found 9/10![Frontier logo]()
$253
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:00 am -
1 stop30h 17m
Mon 10/262:13 pm -
1 stop12h 27m
Deal found 9/7![Alaska Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 9/10. 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.
Fri 12/48:18 pm -
1 stop6h 40m
Sat 12/126:00 am -
1 stop6h 20m
Deal found 9/10![Delta logo]()
$478
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1012:35 pm -
2 stops10h 54m
Tue 12/295:00 am -
1 stop14h 28m
Deal found 9/9![United Airlines logo]()
$530
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 1/46:06 pm -
1 stop19h 32m
Mon 1/117:00 am -
1 stop30h 32m
Deal found 9/6![Alaska Airlines logo]()
$442
This Delta deal was found by Cheapflights users on 9/10. 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.
Fri 12/48:18 pm -
1 stop6h 40m
Fri 12/1111:08 pm -
1 stop9h 17m
Deal found 9/10![Delta logo]()
$499
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/243:39 pm -
1 stop8h 21m
Wed 12/305:00 am -
1 stop6h 43m
Deal found 9/8![United Airlines logo]()
$537
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/114:40 pm -
1 stop9h 19m
Wed 12/306:00 am -
1 stop6h 20m
Deal found 9/9![Delta logo]()
$512
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 10/67:00 am -
2 stops13h 05m
Fri 10/96:45 pm -
2 stops19h 16m
Deal found 9/6![Alaska Airlines logo]()
$552
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/253:39 pm -
1 stop8h 21m
Tue 12/2911:52 pm -
1 stop6h 36m
Deal found 9/8![United Airlines logo]()
$558
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/118:18 pm -
1 stop6h 40m
Mon 12/2810:29 pm -
1 stop9h 07m
Deal found 9/9![Delta logo]()
$532
This Delta deal was found by Cheapflights users on 9/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/218:09 pm -
1 stop6h 50m
Fri 1/11:15 pm -
1 stop6h 21m
Deal found 9/8![Delta logo]()
$548
Last-minute flights from Detroit to OntarioDiscover last-minute flight deals from Detroit to Ontario. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Ontario. Data last updated September 11, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 9/10. 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.
Wed 9/307:08 am -
1 stop6h 22m
Wed 10/1411:52 am -
1 stop9h 03m
Deal found 9/10![Frontier logo]()
$200
This Trip.com deal was found by Cheapflights users on 9/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:08 am -
1 stop6h 22m
Wed 10/1411:52 am -
1 stop9h 03m
Deal found 9/9![Frontier logo]()
$196
This Trip.com deal was found by Cheapflights users on 9/10. 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.
Tue 10/207:08 am -
1 stop6h 21m
Sat 10/246:15 am -
1 stop6h 19m
Deal found 9/10![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/208:35 pm -
1 stop6h 15m
Wed 10/2811:52 am -
1 stop8h 59m
Deal found 9/10![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/207:08 am -
1 stop6h 21m
Thu 10/2911:52 am -
1 stop8h 59m
Deal found 9/10![Frontier logo]()
$211
This Expedia deal was found by Cheapflights users on 9/10. 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 10/217:08 am -
1 stop19h 42m
Tue 10/276:25 am -
1 stop6h 09m
Deal found 9/10![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/217:08 am -
1 stop6h 21m
Wed 10/2811:52 am -
1 stop8h 59m
Deal found 9/10![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/217:08 am -
1 stop6h 21m
Sat 10/246:15 am -
1 stop6h 19m
Deal found 9/10![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/217:08 am -
1 stop6h 21m
Thu 10/2911:52 am -
1 stop8h 59m
Deal found 9/10![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sat 10/248:35 pm -
1 stop6h 15m
Tue 10/2711:52 am -
1 stop8h 59m
Deal found 9/10![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sat 10/248:35 pm -
1 stop6h 15m
Thu 10/2911:52 am -
1 stop8h 59m
Deal found 9/10![Frontier logo]()
$210
One-way flights from Detroit to OntarioSearch for one-way flight options from Detroit to Ontario. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Detroit to Ontario. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Super.com deal was found by Cheapflights users on 9/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:00 am -
1 stop6h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$80
This Super.com deal was found by Cheapflights users on 9/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:35 pm -
1 stop6h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$81
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Tue 11/37:00 am -
1 stop6h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$82
This Super.com deal was found by Cheapflights users on 9/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 am -
1 stop19h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$86
This Super.com deal was found by Cheapflights users on 9/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:08 am -
1 stop6h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$95
This Super.com deal was found by Cheapflights users on 9/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:00 am -
1 stop19h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$96
This Booking.com deal was found by Cheapflights users on 9/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:08 am -
1 stop6h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$103
This Super.com deal was found by Cheapflights users on 9/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:08 am -
1 stop6h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$106
This Super.com deal was found by Cheapflights users on 9/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:35 pm -
1 stop17h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$116
Find flight deals from Detroit to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTW) 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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $163 (Expedia) |
One-way from | $80 (Super.com) |
Popular in | April |
Cheapest in | January |
Average price | $458 |
Cheapflights Fare Finder
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 7,457,451 searches. Data last updated September 11, 2026.
Use the filters below to find and compare flights from Detroit Metropolitan Wayne County Airport to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Thu 9/17
7:08 am-10:30 am
1 stop6h 22m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$207
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Tue 11/3
5:20 am-11:06 am
1 stop8h 46m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$219
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Sat 11/14
7:00 am-10:42 am
1 stop6h 42m
Ontario
Mon 11/16
8:03 pm-9:19 am
1 stop10h 16m
$253
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Sat 2/27
4:46 pm-10:39 pm
1 stop8h 53m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$269
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Mon 3/1
8:05 pm-11:48 pm
1 stop6h 43m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$277
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Sun 11/8
5:40 pm-11:01 pm
1 stop8h 21m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$293
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Fri 1/22
11:15 am-8:20 pm
2 stops12h 05m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$295
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Sun 11/8
6:50 am-1:00 pm
2 stops9h 10m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$308
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Wed 11/25
1:34 pm-11:31 pm
2 stops12h 57m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$328
DetroitOntario
DTW Detroit Metropolitan Wayne County - ONT Ontario
DTWONT
Detroit Metropolitan Wayne County
Mon 3/1
12:11 pm-8:20 pm
2 stops11h 09m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$332
Showing 1-10 of 23 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Detroit Metropolitan Wayne County Airport-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit Metropolitan Wayne County Airport-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit Metropolitan Wayne County Airport-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Detroit Metropolitan Wayne County Airport-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 Metropolitan Wayne County Airport-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.
DTW-ONT
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 Detroit Metropolitan Wayne County Airport to Ontario
How far ahead should I book a flight from Detroit Metropolitan Wayne County Airport to Ontario?
The best time to book flights from Detroit Metropolitan Wayne County Airport to Ontario is 51 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 Detroit Metropolitan Wayne County Airport to Ontario?
Currently, January is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Ontario (average of $346). Flying from Detroit Metropolitan Wayne County Airport to Ontario in April is currently the most expensive (average of $554). 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.
How much does it cost to fly round-trip from Detroit Metropolitan Wayne County Airport to Ontario?
Airfare is below average for this route at the moment.
Detroit Metropolitan Wayne County Airport to Ontario flights typically cost between $318 and $541 in October.The cheapest round-trip price found within the last 5 days was $163 on Frontier (Oct 21-Oct 27).
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 September 11, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Detroit Metropolitan Wayne County Airport to Ontario 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.
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Detroit to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Detroit to Ontario by cabin class
Find flights from Detroit to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
Detroit and Ontario flights
Browse other Detroit and Ontario flight options. Last updated on September 11, 2026.
Other flights from Detroit
Browse through other flights departing from Detroit. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$201 | Average$350 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$296 | Average$511 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$344 | Average$478 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$346 | Average$530 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$353 | Average$502 | FlexibilityNo cancel fee | On-time63% |