$109+ Cheap flights from Ontario to Detroit Metropolitan Wayne County Airport (ONT - DTW)
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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DTW
Jun 10 — Jun 171
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
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
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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 May 11, 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 May 11, 2026.
This Frontier deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Wed 9/21:22 pm
DTW
- ONT
1 stop13h 27m
Frontier
Deal found 5/11![Frontier logo]()
$210
This Mytrip deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/295:43 pm
ONT
- DTW
1 stop22h 17m
Frontier
Wed 8/51:19 pm
DTW
- ONT
1 stop23h 44m
Frontier
Deal found 5/6![Frontier logo]()
$219
This Expedia deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia 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
Tue 6/28:20 am
DTW
- ONT
1 stop18h 29m
Frontier
Deal found 5/8![Frontier logo]()
$220
This Booking.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:00 am
ONT
- DTW
1 stop27h 34m
Frontier
Tue 7/288:51 am
DTW
- ONT
1 stop14h 02m
Frontier
Deal found 5/10![Frontier logo]()
$222
This Expedia deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Sat 6/68:57 am
DTW
- ONT
1 stop25h 11m
Frontier
Deal found 5/10![Frontier logo]()
$224
This Trip.com deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Tue 8/48:00 am
DTW
- ONT
1 stop29h 03m
Frontier
Deal found 5/7![Frontier logo]()
$226
This Frontier deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:49 am
ONT
- DTW
1 stop10h 10m
Frontier
Mon 8/178:52 am
DTW
- ONT
1 stop11h 57m
Frontier
Deal found 5/10![Frontier logo]()
$230
This Mytrip deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:50 am
ONT
- DTW
1 stop22h 45m
Frontier
Tue 6/28:20 am
DTW
- ONT
1 stop28h 45m
Frontier
Deal found 5/6![Frontier logo]()
$233
This CheapOair deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:00 am
ONT
- DTW
1 stop27h 35m
Frontier
Mon 6/18:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Deal found 5/10![Frontier logo]()
$234
This Mytrip deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Tue 7/288:51 am
DTW
- ONT
1 stop9h 16m
Frontier
Deal found 5/6![Frontier logo]()
$237
This Mytrip deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:49 am
ONT
- DTW
1 stop10h 10m
Frontier
Tue 8/118:00 am
DTW
- ONT
1 stop29h 03m
Frontier
Deal found 5/6![Frontier logo]()
$239
This CheapOair deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:43 pm
ONT
- DTW
1 stop22h 17m
Frontier
Tue 7/288:51 am
DTW
- ONT
1 stop9h 16m
Frontier
Deal found 5/11![Frontier logo]()
$240
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 May 11, 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 May 11, 2026.
This Delta deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:00 am
ONT
- DTW
1 stop6h 14m
Delta
Tue 7/77:00 am
DTW
- ONT
1 stop8h 10m
Delta
Deal found 5/10![Delta logo]()
$417
This United Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:00 am
ONT
- DTW
1 stop7h 23m
United Airlines
Wed 6/311:00 am
DTW
- ONT
2 stops14h 37m
United Airlines
Deal found 5/8![United Airlines logo]()
$502
This KAYAK deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:10 pm
ONT
- DTW
1 stop6h 15m
American Airlines
Thu 5/285:55 pm
DTW
- ONT
1 stop7h 02m
American Airlines
Deal found 5/6![American Airlines logo]()
$536
This Southwest deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2912:40 pm
ONT
- DTW
2 stops8h 15m
Southwest
Fri 7/315:25 am
DTW
- ONT
2 stops8h 55m
Southwest
Deal found 5/6![Southwest logo]()
$557
This Alaska Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:00 am
ONT
- DTW
1 stop8h 12m
Alaska Airlines
Tue 5/267:09 am
DTW
- ONT
1 stop11h 00m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/265:21 pm
ONT
- DTW
1 stop8h 58m
Delta
Tue 7/218:20 pm
DTW
- ONT
1 stop6h 28m
Delta
Deal found 5/7![Delta logo]()
$492
This Delta deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/171:00 pm
ONT
- DTW
1 stop8h 11m
Delta
Fri 6/266:17 am
DTW
- ONT
1 stop7h 23m
Delta
Deal found 5/7![Delta logo]()
$578
This Delta deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/251:00 pm
ONT
- DTW
1 stop8h 11m
Delta
Tue 7/218:20 pm
DTW
- ONT
1 stop6h 28m
Delta
Deal found 5/7![Delta logo]()
$588
This Delta deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/221:00 pm
ONT
- DTW
1 stop8h 11m
Delta
Tue 7/216:17 am
DTW
- ONT
1 stop7h 21m
Delta
Deal found 5/7![Delta logo]()
$588
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:00 am
ONT
- DTW
1 stop6h 14m
Delta
Mon 7/68:15 pm
DTW
- ONT
1 stop6h 34m
Delta
Deal found 5/11![Delta logo]()
$589
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:00 am
ONT
- DTW
1 stop6h 14m
Delta
Sun 7/58:15 pm
DTW
- ONT
1 stop6h 34m
Delta
Deal found 5/8![Delta logo]()
$627
Last-minute flights from Ontario to DetroitDiscover last-minute flight deals from Ontario to Detroit. Data last updated May 11, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Detroit. Data last updated May 11, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:00 am
ONT
- DTW
1 stop27h 35m
Frontier
Mon 6/18:52 am
DTW
- ONT
1 stop25h 43m
Frontier
Deal found 5/10![Frontier logo]()
$234
This Booking.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:00 am
ONT
- DTW
1 stop27h 35m
Frontier
Fri 5/291:20 pm
DTW
- ONT
1 stop13h 29m
Frontier
Deal found 5/8![Frontier logo]()
$242
This Expedia deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia 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
Tue 6/28:20 am
DTW
- ONT
1 stop18h 29m
Frontier
Deal found 5/8![Frontier logo]()
$220
This CheapOair deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Sun 6/78:52 am
DTW
- ONT
1 stop25h 16m
Frontier
Deal found 5/7![Frontier logo]()
$240
This Mytrip deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:50 am
ONT
- DTW
1 stop22h 45m
Frontier
Tue 6/28:20 am
DTW
- ONT
1 stop28h 45m
Frontier
Deal found 5/6![Frontier logo]()
$233
This Mytrip deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Fri 6/51:20 pm
DTW
- ONT
1 stop23h 45m
Frontier
Deal found 5/6![Frontier logo]()
$244
This Expedia deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Wed 6/38:52 am
DTW
- ONT
1 stop25h 16m
Frontier
Deal found 5/6![Frontier logo]()
$230
This Mytrip deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Tue 6/28:20 am
DTW
- ONT
1 stop28h 45m
Frontier
Deal found 5/7![Frontier logo]()
$239
This CheapOair deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:00 am
ONT
- DTW
1 stop27h 35m
Frontier
Tue 6/98:52 am
DTW
- ONT
1 stop11h 44m
Frontier
Deal found 5/7![Frontier logo]()
$210
This Expedia deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Sat 6/68:57 am
DTW
- ONT
1 stop25h 11m
Frontier
Deal found 5/10![Frontier logo]()
$224
This Booking.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Fri 6/58:52 am
DTW
- ONT
1 stop25h 56m
Frontier
Deal found 5/8![Frontier logo]()
$243
This Mytrip deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:00 am
ONT
- DTW
1 stop14h 59m
Frontier
Tue 7/288:51 am
DTW
- ONT
1 stop9h 16m
Frontier
Deal found 5/6![Frontier logo]()
$237
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 May 11, 2026.
Search for one-way flight options from Ontario to Detroit. Find affordable one-way fares based on user searches. Data last updated May 11, 2026.
This Super.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Deal found 5/9![Frontier logo]()
$109
This Super.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Deal found 5/8![Frontier logo]()
$110
This Frontier deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/73:40 pm
ONT
- DTW
1 stop12h 41m
Frontier
Deal found 5/6![Frontier logo]()
$111
This Super.com deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:00 am
ONT
- DTW
1 stop27h 35m
Frontier
Deal found 5/7![Frontier logo]()
$120
This Super.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1810:49 am
ONT
- DTW
1 stop10h 10m
Frontier
Deal found 5/10![Frontier logo]()
$123
This Super.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Deal found 5/11![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Deal found 5/7![Frontier logo]()
$125
This Super.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/316:00 am
ONT
- DTW
1 stop27h 35m
Frontier
Deal found 5/11![Frontier logo]()
$129
This Super.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:50 am
ONT
- DTW
1 stop10h 09m
Frontier
Deal found 5/6![Frontier logo]()
$130
This Frontier deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3010:49 am
ONT
- DTW
1 stop10h 10m
Frontier
Deal found 5/10![Frontier logo]()
$131
This Trip.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:06 pm
ONT
- DTW
1 stop19h 37m
Frontier
Deal found 5/9![Frontier logo]()
$133
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 (DTW). 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 May 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $210 (Frontier) |
One-way from | $109 (Super.com) |
Popular in | September |
Cheapest in | October |
Average price | $353 |
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 May 11, 2026.
Use the filters below to find and compare flights from Ontario to Detroit Metropolitan Wayne County Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Tue 6/30
6:00 am-3:14 pm
1 stop6h 14m
Detroit Metropolitan Wayne County
Tue 7/7
7:00 am-12:10 pm
1 stop8h 10m
$417
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Fri 6/26
5:21 pm-5:19 am
1 stop8h 58m
Detroit Metropolitan Wayne County
Tue 7/21
8:20 pm-11:48 pm
1 stop6h 28m
$492
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Tue 6/2
6:00 am-4:23 pm
1 stop7h 23m
Detroit Metropolitan Wayne County
Wed 6/3
11:00 am-10:37 pm
2 stops14h 37m
$502
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Tue 5/26
1:10 pm-10:25 pm
1 stop6h 15m
Detroit Metropolitan Wayne County
Thu 5/28
5:55 pm-9:57 pm
1 stop7h 02m
$536
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Mon 6/29
12:40 pm-11:55 pm
2 stops8h 15m
Detroit Metropolitan Wayne County
Fri 7/31
5:25 am-11:20 am
2 stops8h 55m
$557
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Wed 6/17
1:00 pm-12:11 am
1 stop8h 11m
Detroit Metropolitan Wayne County
Fri 6/26
6:17 am-10:40 am
1 stop7h 23m
$578
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Thu 6/25
1:00 pm-12:11 am
1 stop8h 11m
Detroit Metropolitan Wayne County
Tue 7/21
8:20 pm-11:48 pm
1 stop6h 28m
$588
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Mon 6/22
1:00 pm-12:11 am
1 stop8h 11m
Detroit Metropolitan Wayne County
Tue 7/21
6:17 am-10:38 am
1 stop7h 21m
$588
Quickest round-trip
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Tue 6/30
6:00 am-3:14 pm
1 stop6h 14m
Detroit Metropolitan Wayne County
Mon 7/6
8:15 pm-11:49 pm
1 stop6h 34m
$589
OntarioDetroit
ONT - DTW
ONTDTW
Ontario
Sun 5/24
6:00 am-5:12 pm
1 stop8h 12m
Detroit Metropolitan Wayne County
Tue 5/26
7:09 am-3:09 pm
1 stop11h 00m
$599
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 May.
| 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 |
- Most accurate provider: When it comes to deals on Ontario-Detroit Metropolitan Wayne County Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Detroit Metropolitan Wayne County Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Detroit Metropolitan Wayne County Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Detroit Metropolitan Wayne County Airport 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 Metropolitan Wayne County Airport 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-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 Metropolitan Wayne County Airport
How far ahead should I book a flight from Ontario to Detroit Metropolitan Wayne County Airport?
The best time to book flights from Ontario to Detroit Metropolitan Wayne County Airport is 32 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 Ontario to Detroit Metropolitan Wayne County Airport?
Currently, October is the cheapest month in which you can book a flight from Ontario to Detroit Metropolitan Wayne County Airport (average of $276). Flying from Ontario to Detroit Metropolitan Wayne County Airport in September is currently the most expensive (average of $564). 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 Metropolitan Wayne County Airport?
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 May 11, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Ontario to Detroit Metropolitan Wayne County Airport 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.
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
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 Metropolitan Wayne County Airport?
Book flights to Detroit Metropolitan Wayne County Airport if you plan to visit one of these locationsDearborn
Troy
Southfield
Warren
Sterling Heights
Auburn Hills
Pontiac
Southgate
Allen Park
Romulus
Rochester Hills
Roseville
Monroe
Utica
Wixom
Ypsilanti
Livonia
Plymouth
Fremont
Port Huron
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Ontario to Detroit
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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 May 11, 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 May 11, 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 May 11, 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 May 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$177 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$170 | Average$310 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$272 | Average$443 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$277 | Average$496 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$305 | Average$566 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$321 | Average$581 | FlexibilityNo cancel fee | On-time69% |