Book United Ottawa to London flight deals from $725

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Plan ahead for flights from Ottawa to London

from
to
Type
Dates
Price*
Ottawa (YOW)
to London (LHR)
Roundtrip
Depart Thu 28 Mar 2019
Return Tue 2 Apr 2019
from$ 725*Viewed: 1 day ago
Ottawa (YOW)
to London (LHR)
Roundtrip
Depart Mon 3 Sep 2018
Return Sat 8 Sep 2018
from$ 734*Viewed: 1 day 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.

Weather in London

74 °FThursday07/19/2018
77 °FFriday07/20/2018
72 °FSaturday07/21/2018
74 °FSunday07/22/2018
82 °FMonday07/23/2018
82 °FTuesday07/24/2018
89 °FWednesday07/25/2018
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