$85+ Cheap flights from Ontario to Detroit (ONT - DTT)
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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DTT
May 30 — Jun 61
Round-trip
1 adult, Economy
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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
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Cheapest flights from Ontario to DetroitExplore 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 April 30, 2026.
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 April 30, 2026.
This Expedia deal was found by Cheapflights users on 4/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1610:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Tue 5/198:05 am
DTW
- ONT
1 stop18h 44m
Frontier
Deal found 4/25![Frontier logo]()
$160
This Trip.com deal was found by Cheapflights users on 4/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Sat 5/231:20 pm
DTW
- ONT
1 stop23h 45m
Frontier
Deal found 4/25![Frontier logo]()
$170
This Expedia deal was found by Cheapflights users on 4/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Mon 5/188:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Deal found 4/25![Frontier logo]()
$180
This Expedia deal was found by Cheapflights users on 4/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Fri 5/291:20 pm
DTW
- ONT
1 stop23h 45m
Frontier
Deal found 4/27![Frontier logo]()
$185
This CheapOair deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:00 am
ONT
- DTW
1 stop27h 35m
Frontier
Tue 5/198:05 am
DTW
- ONT
1 stop18h 44m
Frontier
Deal found 4/27![Frontier logo]()
$191
This Booking.com deal was found by Cheapflights users on 4/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Sat 5/168:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Deal found 4/25![Frontier logo]()
$193
This CheapOair deal was found by Cheapflights users on 4/27. 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.
Tue 5/268:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Sat 6/68:57 am
DTW
- ONT
1 stop25h 11m
Frontier
Deal found 4/27![Frontier logo]()
$196
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Tue 6/28:20 am
DTW
- ONT
1 stop28h 45m
Frontier
Deal found 4/29![Frontier logo]()
$198
This Gotogate deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/148:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Sat 5/168:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Deal found 4/28![Frontier logo]()
$200
This Trip.com deal was found by Cheapflights users on 4/27. 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.
Sat 5/96:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Sat 5/231:20 pm
DTW
- ONT
1 stop23h 45m
Frontier
Deal found 4/27![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Sat 5/166:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Mon 5/187:53 pm
DTW
- ONT
2 stops22h 51m
Frontier
Deal found 4/25![Frontier logo]()
$203
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1610:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Wed 5/271:20 pm
DTW
- ONT
1 stop13h 29m
Frontier
Deal found 4/29![Frontier logo]()
$205
Best flights from Ontario to DetroitDiscover carefully curated flight deals from Ontario to Detroit that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2026.
Discover carefully curated flight deals from Ontario to Detroit that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2026.
This Southwest deal was found by Cheapflights users on 4/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:40 am
ONT
- DTW
1 stop6h 45m
Southwest
Sat 5/304:55 pm
DTW
- ONT
1 stop6h 20m
Southwest
Deal found 4/29![Southwest logo]()
$418
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:03 pm
ONT
- DTW
1 stop10h 46m
Alaska Airlines
Wed 6/107:09 am
DTW
- ONT
1 stop9h 00m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/171:29 pm
ONT
- DTW
1 stop7h 30m
Delta
Mon 5/258:20 am
DTW
- ONT
1 stop6h 59m
Delta
Deal found 4/29![Delta logo]()
$551
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:00 am
ONT
- DTW
1 stop8h 12m
Alaska Airlines
Sun 5/247:09 am
DTW
- ONT
1 stop11h 00m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$466
This Southwest deal was found by Cheapflights users on 4/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/168:25 pm
ONT
- DTW
2 stops10h 35m
Southwest
Sat 6/207:10 am
DTW
- ONT
2 stops9h 30m
Southwest
Deal found 4/29![Southwest logo]()
$482
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:41 pm
ONT
- DTW
2 stops11h 08m
Alaska Airlines
Mon 6/86:08 pm
DTW
- ONT
1 stop8h 50m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$523
This Southwest deal was found by Cheapflights users on 4/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:15 am
ONT
- DTW
2 stops8h 50m
Southwest
Mon 6/85:25 am
DTW
- ONT
2 stops8h 55m
Southwest
Deal found 4/29![Southwest logo]()
$523
This Southwest deal was found by Cheapflights users on 4/28. 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.
Mon 7/1311:55 pm
ONT
- DTW
1 stop7h 05m
Southwest
Mon 7/205:25 am
DTW
- ONT
2 stops8h 55m
Southwest
Deal found 4/28![Southwest logo]()
$552
This Southwest deal was found by Cheapflights users on 4/28. 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.
Thu 6/1812:45 pm
ONT
- DTW
2 stops8h 10m
Southwest
Thu 7/95:25 am
DTW
- ONT
2 stops8h 55m
Southwest
Deal found 4/28![Southwest logo]()
$557
This Southwest deal was found by Cheapflights users on 4/28. 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.
Fri 10/165:40 am
ONT
- DTW
2 stops9h 35m
Southwest
Sun 10/185:30 am
DTW
- ONT
2 stops9h 00m
Southwest
Deal found 4/28![Southwest logo]()
$557
This Southwest deal was found by Cheapflights users on 4/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:20 am
ONT
- DTW
2 stops9h 15m
Southwest
Mon 8/315:00 pm
DTW
- ONT
2 stops7h 45m
Southwest
Deal found 4/26![Southwest logo]()
$557
Last-minute flights from Ontario to DetroitDiscover last-minute flight deals from Ontario to Detroit. Data last updated April 30, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Detroit. Data last updated April 30, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 4/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Sat 5/168:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Deal found 4/25![Frontier logo]()
$193
This Trip.com deal was found by Cheapflights users on 4/27. 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.
Sat 5/96:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Sat 5/231:20 pm
DTW
- ONT
1 stop23h 45m
Frontier
Deal found 4/27![Frontier logo]()
$202
This CheapOair deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:00 am
ONT
- DTW
1 stop27h 35m
Frontier
Tue 5/198:05 am
DTW
- ONT
1 stop18h 44m
Frontier
Deal found 4/27![Frontier logo]()
$191
This Gotogate deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/148:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Sat 5/168:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Deal found 4/28![Frontier logo]()
$200
This Expedia deal was found by Cheapflights users on 4/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Mon 5/188:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Deal found 4/25![Frontier logo]()
$180
This Expedia deal was found by Cheapflights users on 4/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1610:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Tue 5/198:05 am
DTW
- ONT
1 stop18h 44m
Frontier
Deal found 4/25![Frontier logo]()
$160
This Trip.com deal was found by Cheapflights users on 4/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Sat 5/231:20 pm
DTW
- ONT
1 stop23h 45m
Frontier
Deal found 4/25![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Sat 5/166:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Mon 5/187:53 pm
DTW
- ONT
2 stops22h 51m
Frontier
Deal found 4/25![Frontier logo]()
$203
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1610:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Wed 5/271:20 pm
DTW
- ONT
1 stop13h 29m
Frontier
Deal found 4/29![Frontier logo]()
$205
This Expedia deal was found by Cheapflights users on 4/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Fri 5/291:20 pm
DTW
- ONT
1 stop23h 45m
Frontier
Deal found 4/27![Frontier logo]()
$185
This CheapOair deal was found by Cheapflights users on 4/27. 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.
Tue 5/268:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Sat 6/68:57 am
DTW
- ONT
1 stop25h 11m
Frontier
Deal found 4/27![Frontier logo]()
$196
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Tue 6/28:20 am
DTW
- ONT
1 stop28h 45m
Frontier
Deal found 4/29![Frontier logo]()
$198
One-way flights from Ontario to DetroitSearch for one-way flight options from Ontario to Detroit. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
Search for one-way flight options from Ontario to Detroit. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
This Super.com deal was found by Cheapflights users on 4/26. 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.
Tue 5/268:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Deal found 4/26![Frontier logo]()
$85
This Super.com deal was found by Cheapflights users on 4/29. 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.
Fri 5/158:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Deal found 4/29![Frontier logo]()
$105
This Super.com deal was found by Cheapflights users on 4/29. 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.
Wed 5/138:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Deal found 4/29![Frontier logo]()
$106
This Super.com deal was found by Cheapflights users on 4/27. 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 5/278:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Deal found 4/27![Frontier logo]()
$110
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Deal found 4/29![Frontier logo]()
$111
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/76:00 am
ONT
- DTW
1 stop27h 35m
Frontier
Deal found 4/29![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1910:50 am
ONT
- DTW
2 stops27h 30m
Frontier
Deal found 4/27![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Deal found 4/27![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 4/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/276:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Deal found 4/25![Frontier logo]()
$124
This CheapOair deal was found by Cheapflights users on 4/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/110:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Deal found 4/29![Frontier logo]()
$125
This Super.com deal was found by Cheapflights users on 4/29. 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.
Wed 5/68:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Deal found 4/29![Frontier logo]()
$129
Find flight deals from Ontario to Detroit
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Detroit (DTT). 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 April 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Expedia) |
One-way from | $85 (Super.com) |
Popular in | February |
Cheapest in | September |
Average price | $509 |
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 April 30, 2026.
Use the filters below to find and compare flights from Ontario to Detroit that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Sat 5/30
5:40 am-3:25 pm
1 stop6h 45m
Detroit Metropolitan Wayne County
Sat 5/30
4:55 pm-8:15 pm
1 stop6h 20m
$418
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Wed 6/3
4:03 pm-5:49 am
1 stop10h 46m
Detroit Metropolitan Wayne County
Wed 6/10
7:09 am-1:09 pm
1 stop9h 00m
$418
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Tue 5/19
6:00 am-5:12 pm
1 stop8h 12m
Detroit Metropolitan Wayne County
Sun 5/24
7:09 am-3:09 pm
1 stop11h 00m
$466
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Tue 6/16
8:25 pm-10:00 am
2 stops10h 35m
Detroit Metropolitan Wayne County
Sat 6/20
7:10 am-1:40 pm
2 stops9h 30m
$482
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Tue 6/2
7:41 pm-9:49 am
2 stops11h 08m
Detroit Metropolitan Wayne County
Mon 6/8
6:08 pm-11:58 pm
1 stop8h 50m
$523
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Fri 6/5
5:15 am-5:05 pm
2 stops8h 50m
Detroit Metropolitan Wayne County
Mon 6/8
5:25 am-11:20 am
2 stops8h 55m
$523
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Sun 5/17
1:29 pm-11:59 pm
1 stop7h 30m
Detroit Metropolitan Wayne County
Mon 5/25
8:20 am-12:19 pm
1 stop6h 59m
$551
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Mon 7/13
11:55 pm-10:00 am
1 stop7h 05m
Detroit Metropolitan Wayne County
Mon 7/20
5:25 am-11:20 am
2 stops8h 55m
$552
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Thu 6/18
12:45 pm-11:55 pm
2 stops8h 10m
Detroit Metropolitan Wayne County
Thu 7/9
5:25 am-11:20 am
2 stops8h 55m
$557
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Fri 10/16
5:40 am-6:15 pm
2 stops9h 35m
Detroit Metropolitan Wayne County
Sun 10/18
5:30 am-11:30 am
2 stops9h 00m
$557
Showing 1-10 of 23 resultsSorted by cheapest first
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Ontario-Detroit flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Detroit flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Detroit flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Detroit flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Detroit 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.
ONT-DTT
ONT-DTW
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
ONT-DTT
ONT-DTW
How far ahead should I book a flight from Ontario to Detroit?
Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Detroit. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Ontario to Detroit?
Currently, June is the cheapest month in which you can book a flight from Ontario to Detroit (average of $128). Flying from Ontario to Detroit in January is currently the most expensive (average of $296). 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 Ontario to Detroit?
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 April 30, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Ontario to Detroit. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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.
Traveling to a place near Detroit?
Book flights to Detroit if you plan to visit one of these locationsRoseville
Port Huron
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Complete your trip
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Other flights to Detroit
Explore flights to Detroit departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 30, 2026.
Search flights from Ontario to Detroit by cabin class
Find flights from Ontario to Detroit, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Detroit flights
Browse other Ontario and Detroit flight options. Last updated on April 30, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on April 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 April 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$177 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$170 | Average$285 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$272 | Average$417 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$277 | Average$475 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$305 | Average$550 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$321 | Average$571 | FlexibilityNo cancel fee | On-time69% |