$127+ Cheap flights from Detroit Metropolitan Wayne County Airport to Ontario (DTW - 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — ONT
Aug 28 — Sep 41
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
One-way
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 July 29, 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 July 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Thu 9/1010:37 am
DTW
- ONT
1 stop11h 02m
Frontier
Mon 9/148:11 pm
ONT
- DTW
1 stop21h 12m
Frontier
Deal found 7/29![Frontier logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Tue 8/1812:20 pm
DTW
- ONT
1 stop14h 30m
Frontier
Tue 9/87:56 pm
ONT
- DTW
2 stops20h 57m
Frontier
Deal found 7/28![Frontier logo]()
$263
This Frontier deal was found by Cheapflights users on 7/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:06 am
DTW
- ONT
1 stop12h 55m
Frontier
Thu 8/273:40 pm
ONT
- DTW
1 stop11h 40m
Frontier
Deal found 7/25![Frontier logo]()
$264
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:20 pm
DTW
- ONT
1 stop24h 44m
Frontier
Wed 9/26:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Deal found 7/26![Frontier logo]()
$265
This CheapOair deal was found by Cheapflights users on 7/28. 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.
Thu 8/207:55 am
DTW
- ONT
1 stop18h 55m
Frontier
Thu 8/2710:49 am
ONT
- DTW
1 stop21h 36m
Frontier
Deal found 7/28![Frontier logo]()
$274
This CheapOair deal was found by Cheapflights users on 7/25. 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 8/159:06 am
DTW
- ONT
1 stop25h 26m
Frontier
Wed 9/1611:45 am
ONT
- DTW
1 stop24h 43m
Frontier
Deal found 7/25![Frontier logo]()
$275
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:20 am
DTW
- ONT
1 stop6h 23m
Frontier
Mon 10/263:57 pm
ONT
- DTW
1 stop22h 00m
Frontier
Deal found 7/28![Frontier logo]()
$278
This Super.com deal was found by Cheapflights users on 7/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:20 pm
DTW
- ONT
1 stop14h 30m
Frontier
Sat 9/510:59 am
ONT
- DTW
1 stop28h 56m
Frontier
Deal found 7/28![Frontier logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Thu 8/2012:20 pm
DTW
- ONT
1 stop14h 30m
Frontier
Tue 8/256:00 am
ONT
- DTW
2 stops24h 20m
Frontier
Deal found 7/26![Frontier logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Sat 8/2212:20 pm
DTW
- ONT
1 stop14h 30m
Frontier
Sat 8/296:00 am
ONT
- DTW
2 stops28h 39m
Frontier
Deal found 7/26![Frontier logo]()
$283
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 July 29, 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 July 29, 2026.
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:30 am
DTW
- ONT
2 stops9h 45m
Southwest
Sat 9/2610:15 am
ONT
- DTW
2 stops8h 45m
Southwest
Deal found 7/28![Southwest logo]()
$413
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:30 am
DTW
- ONT
2 stops10h 16m
United Airlines
Tue 10/271:29 pm
ONT
- DTW
1 stop5h 46m
United Airlines
Deal found 7/27![United Airlines logo]()
$508
This Southwest deal was found by Cheapflights users on 7/24. 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.
Wed 9/912:55 pm
DTW
- ONT
2 stops7h 40m
Southwest
Sat 9/1910:15 am
ONT
- DTW
2 stops8h 45m
Southwest
Deal found 7/24![Southwest logo]()
$413
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:35 pm
DTW
- ONT
2 stops10h 26m
United Airlines
Sat 9/266:00 am
ONT
- DTW
1 stop9h 11m
United Airlines
Deal found 7/27![United Airlines logo]()
$508
This Southwest deal was found by Cheapflights users on 7/25. 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.
Thu 9/248:55 am
DTW
- ONT
2 stops8h 05m
Southwest
Mon 9/286:20 am
ONT
- DTW
2 stops9h 15m
Southwest
Deal found 7/25![Southwest logo]()
$483
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:23 pm
DTW
- ONT
2 stops10h 38m
United Airlines
Sat 9/55:00 am
ONT
- DTW
1 stop6h 27m
United Airlines
Deal found 7/27![United Airlines logo]()
$508
This United Airlines deal was found by Cheapflights users on 7/24. 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 9/19:06 am
DTW
- ONT
1 stop6h 44m
United Airlines
Wed 9/95:00 am
ONT
- DTW
2 stops12h 25m
United Airlines
Deal found 7/24![United Airlines logo]()
$508
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sat 9/1912:35 pm
DTW
- ONT
2 stops10h 26m
United Airlines
Sat 9/266:00 am
ONT
- DTW
1 stop9h 11m
United Airlines
Deal found 7/24![United Airlines logo]()
$508
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:55 am
DTW
- ONT
2 stops12h 06m
United Airlines
Tue 9/295:00 am
ONT
- DTW
1 stop6h 33m
United Airlines
Deal found 7/26![United Airlines logo]()
$508
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/2510:55 am
DTW
- ONT
2 stops10h 16m
United Airlines
Wed 8/265:00 am
ONT
- DTW
2 stops9h 00m
United Airlines
Deal found 7/24![United Airlines logo]()
$513
Last-minute flights from Detroit to OntarioDiscover last-minute flight deals from Detroit to Ontario. Data last updated July 29, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Ontario. Data last updated July 29, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 7/25. 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 8/159:06 am
DTW
- ONT
1 stop25h 26m
Frontier
Wed 9/1611:45 am
ONT
- DTW
1 stop24h 43m
Frontier
Deal found 7/25![Frontier logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Tue 8/1812:20 pm
DTW
- ONT
1 stop14h 30m
Frontier
Tue 9/87:56 pm
ONT
- DTW
2 stops20h 57m
Frontier
Deal found 7/28![Frontier logo]()
$263
This Frontier deal was found by Cheapflights users on 7/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:06 am
DTW
- ONT
1 stop12h 55m
Frontier
Thu 8/273:40 pm
ONT
- DTW
1 stop11h 40m
Frontier
Deal found 7/25![Frontier logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/1812:20 pm
DTW
- ONT
1 stop24h 44m
Frontier
Tue 8/256:00 am
ONT
- DTW
2 stops24h 20m
Frontier
Deal found 7/25![Frontier logo]()
$285
This CheapOair deal was found by Cheapflights users on 7/27. 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.
Thu 8/207:55 am
DTW
- ONT
1 stop18h 55m
Frontier
Sat 8/226:00 am
ONT
- DTW
1 stop26h 25m
Frontier
Deal found 7/27![Frontier logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Thu 8/2012:20 pm
DTW
- ONT
1 stop14h 30m
Frontier
Tue 8/256:00 am
ONT
- DTW
2 stops24h 20m
Frontier
Deal found 7/26![Frontier logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Sat 8/2212:20 pm
DTW
- ONT
1 stop14h 30m
Frontier
Sat 8/296:00 am
ONT
- DTW
2 stops28h 39m
Frontier
Deal found 7/26![Frontier logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Tue 8/2512:20 pm
DTW
- ONT
1 stop14h 30m
Frontier
Tue 9/17:56 pm
ONT
- DTW
2 stops26h 08m
Frontier
Deal found 7/26![Frontier logo]()
$284
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:20 pm
DTW
- ONT
1 stop24h 44m
Frontier
Wed 9/26:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Deal found 7/26![Frontier logo]()
$265
This Super.com deal was found by Cheapflights users on 7/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:20 pm
DTW
- ONT
1 stop14h 30m
Frontier
Sat 9/510:59 am
ONT
- DTW
1 stop28h 56m
Frontier
Deal found 7/28![Frontier logo]()
$279
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:20 pm
DTW
- ONT
1 stop14h 30m
Frontier
Tue 9/16:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Deal found 7/28![Frontier logo]()
$286
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 July 29, 2026.
Search for one-way flight options from Detroit to Ontario. Find affordable one-way fares based on user searches. Data last updated July 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Fri 8/287:30 pm
DTW
- ONT
1 stop16h 06m
Frontier
Deal found 7/28![Frontier logo]()
$127
This Super.com deal was found by Cheapflights users on 7/29. 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 9/197:08 am
DTW
- ONT
1 stop6h 22m
Frontier
Deal found 7/29![Frontier logo]()
$130
This Super.com deal was found by Cheapflights users on 7/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:35 pm
DTW
- ONT
1 stop6h 12m
Frontier
Deal found 7/26![Frontier logo]()
$131
This Frontier deal was found by Cheapflights users on 7/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:08 am
DTW
- ONT
1 stop6h 22m
Frontier
Deal found 7/25![Frontier logo]()
$132
This Frontier deal was found by Cheapflights users on 7/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:20 am
DTW
- ONT
1 stop6h 23m
Frontier
Deal found 7/28![Frontier logo]()
$133
This Super.com deal was found by Cheapflights users on 7/29. 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 8/248:30 am
DTW
- ONT
1 stop10h 52m
Frontier
Deal found 7/29![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Tue 10/63:25 pm
DTW
- ONT
2 stops35h 22m
Frontier
Deal found 7/28![Frontier logo]()
$136
This Super.com deal was found by Cheapflights users on 7/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:00 am
DTW
- ONT
1 stop13h 01m
Frontier
Deal found 7/27![Frontier logo]()
$137
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:29 pm
DTW
- ONT
1 stop11h 43m
Frontier
Deal found 7/26![Frontier logo]()
$138
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:37 am
DTW
- ONT
1 stop10h 39m
Frontier
Deal found 7/26![Frontier logo]()
$139
This Trip.com deal was found by Cheapflights users on 7/27. 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 10/82:00 pm
DTW
- ONT
1 stop27h 47m
Frontier
Deal found 7/27![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 9/233:25 pm
DTW
- ONT
2 stops29h 23m
Frontier
Deal found 7/24![Frontier logo]()
$145
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 July 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $254 (Kiwi.com) |
One-way from | $127 (Kiwi.com) |
Popular in | April |
Cheapest in | January |
Average price | $388 |
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 2,558,603 searches. Data last updated July 29, 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
DetroitOntario
DTW - ONT
DTWONT
Detroit Metropolitan Wayne County
Sat 9/19
8:30 am-3:15 pm
2 stops9h 45m
Ontario
Sat 9/26
10:15 am-10:00 pm
2 stops8h 45m
$413
DetroitOntario
DTW - ONT
DTWONT
Detroit Metropolitan Wayne County
Wed 9/9
12:55 pm-5:35 pm
2 stops7h 40m
Ontario
Sat 9/19
10:15 am-10:00 pm
2 stops8h 45m
$413
DetroitOntario
DTW - ONT
DTWONT
Detroit Metropolitan Wayne County
Thu 9/24
8:55 am-2:00 pm
2 stops8h 05m
Ontario
Mon 9/28
6:20 am-6:35 pm
2 stops9h 15m
$483
Quickest round-trip
DetroitOntario
DTW - ONT
DTWONT
Detroit Metropolitan Wayne County
Wed 10/21
5:30 am-12:46 pm
2 stops10h 16m
Ontario
Tue 10/27
1:29 pm-10:15 pm
1 stop5h 46m
$508
DetroitOntario
DTW - ONT
DTWONT
Detroit Metropolitan Wayne County
Tue 9/22
12:35 pm-8:01 pm
2 stops10h 26m
Ontario
Sat 9/26
6:00 am-6:11 pm
1 stop9h 11m
$508
DetroitOntario
DTW - ONT
DTWONT
Detroit Metropolitan Wayne County
Sat 8/29
12:23 pm-8:01 pm
2 stops10h 38m
Ontario
Sat 9/5
5:00 am-2:27 pm
1 stop6h 27m
$508
DetroitOntario
DTW - ONT
DTWONT
Detroit Metropolitan Wayne County
Tue 9/1
9:06 am-12:50 pm
1 stop6h 44m
Ontario
Wed 9/9
5:00 am-8:25 pm
2 stops12h 25m
$508
DetroitOntario
DTW - ONT
DTWONT
Detroit Metropolitan Wayne County
Sat 9/19
12:35 pm-8:01 pm
2 stops10h 26m
Ontario
Sat 9/26
6:00 am-6:11 pm
1 stop9h 11m
$508
DetroitOntario
DTW - ONT
DTWONT
Detroit Metropolitan Wayne County
Sat 9/19
10:55 am-8:01 pm
2 stops12h 06m
Ontario
Tue 9/29
5:00 am-2:33 pm
1 stop6h 33m
$508
DetroitOntario
DTW - ONT
DTWONT
Detroit Metropolitan Wayne County
Tue 8/25
10:55 am-6:11 pm
2 stops10h 16m
Ontario
Wed 8/26
5:00 am-5:00 pm
2 stops9h 00m
$513
Showing 1-10 of 22 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 July.
| 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 $316 and $584 in September.The cheapest round-trip price found within the last 5 days was $254 on Frontier (Sep 10-Sep 14).
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 July 29, 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
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Ontario flight routes
Other flight options
Other flights from Detroit
Popular flights
Alternative routes for Detroit to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
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 July 29, 2026.
Detroit and Ontario flights
Browse other Detroit and Ontario flight options. Last updated on July 29, 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 July 29, 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 2,558,603 searches. Data last updated July 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$162 | Average$319 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$281 | Average$511 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$344 | Average$483 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$346 | Average$516 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$360 | Average$502 | FlexibilityNo cancel fee | On-time63% |