Book United Toronto to Denver flight deals from $623

Select journey type

Enter to select travel class and passengers

A view of the Rocky Mountains from the vantage point of a body of water surrounded by trees and a grassy hill

Plan ahead for flights from Toronto to Denver

from
to
Type
Dates
Price*
Toronto (YYZ)
to Denver (DEN)
Roundtrip
Depart Thu 11 Oct 2018
Return Mon 15 Oct 2018
from$ 623*Viewed: 19 hours ago
Toronto (YYZ)
to Denver (DEN)
Roundtrip
Depart Fri 12 Oct 2018
Return Tue 16 Oct 2018
from$ 623*Viewed: 18 hours ago
Toronto (YYZ)
to Denver (DEN)
Roundtrip
Depart Thu 29 Nov 2018
Return Sun 2 Dec 2018
from$ 623*Viewed: 19 hours ago
Toronto (YYZ)
to Denver (DEN)
Roundtrip
Depart Thu 8 Nov 2018
Return Thu 15 Nov 2018
from$ 644*Viewed: 20 hours ago
Toronto (YYZ)
to Denver (DEN)
Roundtrip
Depart Sat 19 Jan 2019
Return Sat 26 Jan 2019
from$ 700*Viewed: 12 hours ago
Toronto (YYZ)
to Denver (DEN)
Roundtrip
Depart Sat 16 Feb 2019
Return Fri 22 Feb 2019
from$ 723*Viewed: 9 hours ago
Toronto (YYZ)
to Denver (DEN)
Roundtrip
Depart Mon 1 Oct 2018
Return Fri 5 Oct 2018
from$ 781*Viewed: 12 hours 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.