Skip to content

Get United's best fares today on flights from Detroit to Ontario from *

Select journey type

Enter to select travel class and passengers

Book with confidence with United

Low fare calendar for flights from Detroit (DTT) to Ontario (ONT)

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
1
2
3
4
5
6
7
from
$1,016 Price subject to changes
Viewed:7 hours ago
Economy
Return:
8
from
$782 Price subject to changes
Viewed:18 hours ago
Economy
Return:
9
from
$837 Price subject to changes
Viewed:18 hours ago
Economy
Return:
10
from
$797 Price subject to changes
Viewed:18 hours ago
Economy
Return:
11
from
$786 Price subject to changes
Viewed:18 hours ago
Economy
Return:
12
from
$723 Price subject to changes
Viewed:18 hours ago
Economy
Return:
13
from
$617 Price subject to changes
Viewed:18 hours ago
Economy
Return:
14
from
$553 Price subject to changes
Viewed:18 hours ago
Economy
Return:
15
from
$553 Price subject to changes
Viewed:18 hours ago
Economy
Return:
16
from
$599 Price subject to changes
Viewed:18 hours ago
Economy
Return:
17
from
$610 Price subject to changes
Viewed:18 hours ago
Economy
Return:
18
from
$586 Price subject to changes
Viewed:18 hours ago
Economy
Return:
19
from
$583 Price subject to changes
Viewed:18 hours ago
Economy
Return:
20
from
$398 Price subject to changes
Viewed:18 hours ago
Economy
Return:
21
from
$316 Price subject to changes
Viewed:18 hours ago
Economy
Return:
22
from
$316 Price subject to changes
Viewed:18 hours ago
Economy
Return:
23
from
$372 Price subject to changes
Viewed:18 hours ago
Economy
Return:
24
from
$360 Price subject to changes
Viewed:18 hours ago
Economy
Return:
25
from
$378 Price subject to changes
Viewed:18 hours ago
Economy
Return:
26
from
$430 Price subject to changes
Viewed:7 hours ago
Economy
Return:
27
from
$380 Price subject to changes
Viewed:7 hours ago
Economy
Return:
28
from
$306 Price subject to changes
Viewed:18 hours ago
Economy
Return:
29
from
$346 Price subject to changes
Viewed:18 hours ago
Economy
Return:
30
from
$330 Price subject to changes
Viewed:7 hours ago
Economy
Return:
31
from
$371 Price subject to changes
Viewed:7 hours ago
Economy
Return:
from
$316 Price subject to changes
Viewed:18 hours ago
Economy
Return:
Lowest PriceToday
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Looking for additional flights from Detroit to Ontario?

FromToDatesFare TypePrice

Detroit (DTW)

Ontario (ONT)

Depart: 09/09/20

Return: 09/16/20

Roundtrip
from
$250*
Viewed:17hoursago

Detroit (DTW)

Ontario (ONT)

Depart: 09/15/20

Return: 09/22/20

Roundtrip
from
$250*
Viewed:17hoursago

Detroit (DTW)

Ontario (ONT)

Depart: 09/16/20

Return: 09/23/20

Roundtrip
from
$250*
Viewed:17hoursago

Detroit (DTW)

Ontario (ONT)

Depart: 09/23/20

Return: 09/30/20

Roundtrip
from
$250*
Viewed:17hoursago

Detroit (DTW)

Ontario (ONT)

Depart: 09/09/20

Return: 09/23/20

Roundtrip
from
$250*
Viewed:17hoursago

Detroit (DTW)

Ontario (ONT)

Depart: 09/22/20

Return: 09/29/20

Roundtrip
from
$250*
Viewed:6hoursago

Detroit (DTW)

Ontario (ONT)

Depart: 09/29/20

Return: 10/06/20

Roundtrip
from
$250*
Viewed:6hoursago

Detroit (DTW)

Ontario (ONT)

Depart: 09/30/20

Return: 10/07/20

Roundtrip
from
$250*
Viewed:6hoursago

Detroit (DTW)

Ontario (ONT)

Depart: 09/22/20

Return: 10/06/20

Roundtrip
from
$250*
Viewed:6hoursago

Detroit (DTW)

Ontario (ONT)

Depart: 09/29/20

Return: 10/13/20

Roundtrip
from
$250*
Viewed:6hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Ontario

Monday sky is clear
85°F 07/06/20
Tuesday sky is clear
89°F 07/07/20
Wednesday sky is clear
86°F 07/08/20
Thursday sky is clear
87°F 07/09/20
Friday sky is clear
91°F 07/10/20
Saturday light rain
94°F 07/11/20
Sunday scattered clouds
90°F 07/12/20
Powered by: OpenWeatherMap.org