Book United Detroit to Ontario flight deals from $314

Select journey type

Enter to select travel class and passengers

Plan ahead for flights from Detroit to Ontario

from
to
Type
Dates
Price*
Detroit (DTW)
to Ontario (ONT)
Roundtrip
Depart Tue 30 Oct 2018
Return Wed 14 Nov 2018
from$ 314*Viewed: 1 hour ago
Detroit (DTW)
to Ontario (ONT)
Roundtrip
Depart Tue 13 Nov 2018
Return Wed 28 Nov 2018
from$ 314*Viewed: 1 hour ago
Detroit (DTW)
to Ontario (ONT)
Roundtrip
Depart Wed 14 Nov 2018
Return Thu 29 Nov 2018
from$ 314*Viewed: 1 hour ago
Detroit (DTW)
to Ontario (ONT)
Roundtrip
Depart Thu 15 Nov 2018
Return Fri 30 Nov 2018
from$ 314*Viewed: 1 hour ago
Detroit (DTW)
to Ontario (ONT)
Roundtrip
Depart Mon 19 Nov 2018
Return Tue 4 Dec 2018
from$ 314*Viewed: 1 hour ago
Detroit (DTW)
to Ontario (ONT)
Roundtrip
Depart Wed 28 Nov 2018
Return Thu 13 Dec 2018
from$ 314*Viewed: 1 hour ago
Detroit (DTW)
to Ontario (ONT)
Roundtrip
Depart Fri 30 Nov 2018
Return Sat 15 Dec 2018
from$ 314*Viewed: 1 hour ago
Detroit (DTW)
to Ontario (ONT)
Roundtrip
Depart Sat 1 Dec 2018
Return Sun 16 Dec 2018
from$ 314*Viewed: 1 hour ago
Detroit (DTW)
to Ontario (ONT)
Roundtrip
Depart Sat 5 Jan 2019
Return Fri 11 Jan 2019
from$ 314*Viewed: 2 hours ago
Detroit (DTW)
to Ontario (ONT)
Roundtrip
Depart Tue 16 Oct 2018
Return Wed 31 Oct 2018
from$ 324*Viewed: 1 hour ago
*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.