$88+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DTT
Apr 2 — Apr 91
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Ontario to Detroit with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Detroit
Cheapest
Best
Last-minute
One-way
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 March 3, 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 March 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/28. 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.
Thu 4/235:33 pm
ONT
- DTW
1 stop14h 25m
Frontier
Mon 4/2710:27 pm
DTW
- ONT
1 stop28h 28m
Frontier
Deal found 2/28![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 2/26. 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 4/1612:59 am
ONT
- DTW
1 stop6h 59m
Frontier
Mon 4/2010:27 pm
DTW
- ONT
1 stop28h 28m
Frontier
Deal found 2/26![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 4/76:20 am
ONT
- DTW
1 stop30h 07m
Frontier
Sun 4/1210:06 pm
DTW
- ONT
2 stops52h 49m
Frontier
Deal found 2/27![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 4/76:20 am
ONT
- DTW
1 stop30h 07m
Multiple Airlines
Tue 4/146:05 am
DTW
- ONT
2 stops20h 50m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$185
This Expedia deal was found by Cheapflights users on 3/2. 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 4/14:52 pm
ONT
- DTW
1 stop11h 08m
Frontier
Tue 4/74:22 pm
DTW
- ONT
1 stop10h 34m
Frontier
Deal found 3/2![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 4/76:20 am
ONT
- DTW
1 stop30h 07m
Multiple Airlines
Wed 4/156:50 am
DTW
- ONT
2 stops20h 05m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$191
This Booking.com deal was found by Cheapflights users on 2/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:33 pm
ONT
- DTW
1 stop14h 25m
Frontier
Mon 4/2010:05 am
DTW
- ONT
1 stop9h 33m
Frontier
Deal found 2/27![Frontier logo]()
$197
This CheapOair deal was found by Cheapflights users on 3/2. 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 4/165:33 pm
ONT
- DTW
1 stop14h 25m
Frontier
Sun 4/1910:27 pm
DTW
- ONT
1 stop12h 04m
Frontier
Deal found 3/2![Frontier logo]()
$201
This Booking.com deal was found by Cheapflights users on 2/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:20 am
ONT
- DTW
1 stop25h 38m
Frontier
Sun 4/127:45 am
DTW
- ONT
1 stop27h 19m
Frontier
Deal found 2/27![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 4/76:20 am
ONT
- DTW
1 stop30h 07m
Frontier
Mon 4/1311:54 am
DTW
- ONT
1 stop15h 02m
Frontier
Deal found 3/2![Frontier logo]()
$208
This Frontier deal was found by Cheapflights users on 2/26. 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 5/712:59 am
ONT
- DTW
1 stop6h 59m
Frontier
Sun 5/1710:27 pm
DTW
- ONT
1 stop12h 04m
Frontier
Deal found 2/26![Frontier logo]()
$211
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 March 3, 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 March 3, 2026.
This Southwest deal was found by Cheapflights users on 2/28. 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 4/239:55 pm
ONT
- DTW
2 stops9h 15m
Southwest
Mon 4/273:00 pm
DTW
- ONT
2 stops9h 15m
Southwest
Deal found 2/28![Southwest logo]()
$267
This Delta deal was found by Cheapflights users on 2/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:29 pm
ONT
- DTW
1 stop7h 29m
Delta
Sun 4/195:20 am
DTW
- ONT
1 stop9h 16m
Delta
Deal found 2/26![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 3/1. 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 4/86:49 pm
ONT
- DTW
2 stops11h 54m
United Airlines
Mon 4/133:29 pm
DTW
- ONT
2 stops10h 16m
United Airlines
Deal found 3/1![United Airlines logo]()
$447
This Alaska Airlines deal was found by Cheapflights users on 3/2. 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 7/315:38 pm
ONT
- DTW
1 stop9h 03m
Alaska Airlines
Sun 8/27:01 am
DTW
- ONT
1 stop9h 12m
Alaska Airlines
Deal found 3/2![Alaska Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 2/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/261:20 pm
ONT
- DTW
1 stop7h 39m
Delta
Mon 3/308:18 pm
DTW
- ONT
1 stop6h 33m
Delta
Deal found 2/28![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 2/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/29:55 pm
ONT
- DTW
2 stops8h 55m
Southwest
Tue 4/76:35 am
DTW
- ONT
2 stops8h 20m
Southwest
Deal found 2/27![Southwest logo]()
$456
This Delta deal was found by Cheapflights users on 3/2. 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.
Thu 3/1910:25 pm
ONT
- DTW
1 stop7h 55m
Delta
Sun 3/225:46 pm
DTW
- ONT
1 stop9h 05m
Delta
Deal found 3/2![Delta logo]()
$440
This Southwest deal was found by Cheapflights users on 3/1. 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 7/18:30 am
ONT
- DTW
1 stop7h 40m
Southwest
Wed 7/85:25 pm
DTW
- ONT
2 stops8h 20m
Southwest
Deal found 3/1![Southwest logo]()
$492
This Delta deal was found by Cheapflights users on 2/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1712:00 pm
ONT
- DTW
1 stop9h 45m
Delta
Sun 6/287:00 am
DTW
- ONT
1 stop8h 29m
Delta
Deal found 2/26![Delta logo]()
$487
This Southwest deal was found by Cheapflights users on 3/2. 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 7/2412:45 pm
ONT
- DTW
2 stops8h 05m
Southwest
Mon 7/276:30 am
DTW
- ONT
2 stops8h 40m
Southwest
Deal found 3/2![Southwest logo]()
$497
This Delta deal was found by Cheapflights users on 2/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/185:05 pm
ONT
- DTW
1 stop9h 00m
Delta
Mon 6/228:05 pm
DTW
- ONT
1 stop6h 39m
Delta
Deal found 2/28![Delta logo]()
$487
This Delta deal was found by Cheapflights users on 2/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/221:29 pm
ONT
- DTW
1 stop7h 30m
Delta
Tue 5/265:15 am
DTW
- ONT
1 stop8h 42m
Delta
Deal found 2/26![Delta logo]()
$487
Last-minute flights from Ontario to DetroitDiscover last-minute flight deals from Ontario to Detroit. Data last updated March 3, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Detroit. Data last updated March 3, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 3/2. 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 4/14:52 pm
ONT
- DTW
1 stop11h 08m
Frontier
Tue 4/74:22 pm
DTW
- ONT
1 stop10h 34m
Frontier
Deal found 3/2![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 4/76:20 am
ONT
- DTW
1 stop30h 07m
Frontier
Sun 4/1210:06 pm
DTW
- ONT
2 stops52h 49m
Frontier
Deal found 2/27![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 4/76:20 am
ONT
- DTW
1 stop30h 07m
Multiple Airlines
Tue 4/146:05 am
DTW
- ONT
2 stops20h 50m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 4/76:20 am
ONT
- DTW
1 stop30h 07m
Multiple Airlines
Wed 4/156:50 am
DTW
- ONT
2 stops20h 05m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 4/76:20 am
ONT
- DTW
1 stop30h 07m
Frontier
Mon 4/1311:54 am
DTW
- ONT
1 stop15h 02m
Frontier
Deal found 3/2![Frontier logo]()
$208
This Booking.com deal was found by Cheapflights users on 2/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:20 am
ONT
- DTW
1 stop25h 38m
Frontier
Sun 4/127:45 am
DTW
- ONT
1 stop27h 19m
Frontier
Deal found 2/27![Frontier logo]()
$203
This CheapOair deal was found by Cheapflights users on 2/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/106:20 am
ONT
- DTW
1 stop25h 38m
Frontier
Sun 4/127:45 am
DTW
- ONT
1 stop27h 19m
Frontier
Deal found 2/26![Frontier logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 2/26. 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 4/1612:59 am
ONT
- DTW
1 stop6h 59m
Frontier
Mon 4/2010:27 pm
DTW
- ONT
1 stop28h 28m
Frontier
Deal found 2/26![Frontier logo]()
$179
This Booking.com deal was found by Cheapflights users on 2/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:33 pm
ONT
- DTW
1 stop14h 25m
Frontier
Mon 4/2010:05 am
DTW
- ONT
1 stop9h 33m
Frontier
Deal found 2/27![Frontier logo]()
$197
This CheapOair deal was found by Cheapflights users on 3/2. 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 4/165:33 pm
ONT
- DTW
1 stop14h 25m
Frontier
Sun 4/1910:27 pm
DTW
- ONT
1 stop12h 04m
Frontier
Deal found 3/2![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 2/28. 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.
Thu 4/235:33 pm
ONT
- DTW
1 stop14h 25m
Frontier
Mon 4/2710:27 pm
DTW
- ONT
1 stop28h 28m
Frontier
Deal found 2/28![Frontier logo]()
$173
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 March 3, 2026.
Search for one-way flight options from Ontario to Detroit. Find affordable one-way fares based on user searches. Data last updated March 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 4/76:20 am
ONT
- DTW
1 stop30h 07m
Frontier
Deal found 2/27![Frontier logo]()
$88
This Booking.com deal was found by Cheapflights users on 2/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:20 am
ONT
- DTW
1 stop6h 07m
Frontier
Deal found 2/27![Frontier logo]()
$95
This Frontier deal was found by Cheapflights users on 3/1. 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 4/3012:59 am
ONT
- DTW
1 stop6h 59m
Frontier
Deal found 3/1![Frontier logo]()
$96
This Super.com deal was found by Cheapflights users on 2/27. 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.
Tue 3/176:15 am
ONT
- DTW
1 stop25h 44m
Frontier
Deal found 2/27![Frontier logo]()
$99
This CheapOair deal was found by Cheapflights users on 3/2. 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 4/305:43 pm
ONT
- DTW
1 stop14h 15m
Frontier
Deal found 3/2![Frontier logo]()
$101
This CheapOair deal was found by Cheapflights users on 2/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:33 pm
ONT
- DTW
1 stop14h 25m
Frontier
Deal found 2/26![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 2/28. 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.
Mon 5/1812:59 am
ONT
- DTW
2 stops31h 32m
Frontier
Deal found 2/28![Frontier logo]()
$114
This CheapOair deal was found by Cheapflights users on 3/2. 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 5/212:59 am
ONT
- DTW
1 stop6h 59m
Frontier
Deal found 3/2![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 2/26. 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 4/1412:59 am
ONT
- DTW
2 stops32h 50m
Frontier
Deal found 2/26![Frontier logo]()
$117
This Super.com deal was found by Cheapflights users on 3/2. 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 3/106:15 am
ONT
- DTW
1 stop25h 44m
Frontier
Deal found 3/2![Frontier logo]()
$120
This Booking.com deal was found by Cheapflights users on 2/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/304:22 pm
ONT
- DTW
1 stop25h 14m
Frontier
Deal found 2/26![Frontier logo]()
$125
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 March 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $173 (Kiwi.com) |
One-way from | $88 (Kiwi.com) |
Popular in | February |
Cheapest in | September |
Average price | $300 |
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 March 3, 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
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Thu 4/23
9:55 pm-10:10 am
2 stops9h 15m
Detroit Metropolitan Wayne County
Mon 4/27
3:00 pm-9:15 pm
2 stops9h 15m
$267
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Tue 4/14
1:29 pm-11:58 pm
1 stop7h 29m
Detroit Metropolitan Wayne County
Sun 4/19
5:20 am-11:36 am
1 stop9h 16m
$277
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Thu 3/26
1:20 pm-11:59 pm
1 stop7h 39m
Detroit Metropolitan Wayne County
Mon 3/30
8:18 pm-11:51 pm
1 stop6h 33m
$379
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Thu 3/19
10:25 pm-9:20 am
1 stop7h 55m
Detroit Metropolitan Wayne County
Sun 3/22
5:46 pm-11:51 pm
1 stop9h 05m
$440
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Wed 4/8
6:49 pm-9:43 am
2 stops11h 54m
Detroit Metropolitan Wayne County
Mon 4/13
3:29 pm-10:45 pm
2 stops10h 16m
$447
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Thu 4/2
9:55 pm-9:50 am
2 stops8h 55m
Detroit Metropolitan Wayne County
Tue 4/7
6:35 am-11:55 am
2 stops8h 20m
$456
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Fri 7/31
5:38 pm-5:41 am
1 stop9h 03m
Detroit Metropolitan Wayne County
Sun 8/2
7:01 am-1:13 pm
1 stop9h 12m
$487
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Wed 6/17
12:00 pm-12:45 am
1 stop9h 45m
Detroit Metropolitan Wayne County
Sun 6/28
7:00 am-12:29 pm
1 stop8h 29m
$487
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Thu 6/18
5:05 pm-5:05 am
1 stop9h 00m
Detroit Metropolitan Wayne County
Mon 6/22
8:05 pm-11:44 pm
1 stop6h 39m
$487
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Fri 5/22
1:29 pm-11:59 pm
1 stop7h 30m
Detroit Metropolitan Wayne County
Tue 5/26
5:15 am-10:57 am
1 stop8h 42m
$487
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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | 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
What is the cheapest month to book a flight from Ontario to Detroit?
Currently, September is the cheapest month in which you can book a flight from Ontario to Detroit (average of $110). Flying from Ontario to Detroit in January is currently the most expensive (average of $179). 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 March 3, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United 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.
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
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
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
Detroit flight routes
Flights by cabin class
Other flight options
Other flights from Ontario
Popular flights
Alternative routes for Ontario to Detroit
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Detroit by adding a car rental and/or hotel reservation to your travel itinerary.
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 March 3, 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 March 3, 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 March 3, 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 March 3, 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$438 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$292 | Average$472 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$321 | Average$587 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$338 | Average$477 | FlexibilityNo cancel fee | On-time63% |