Get United's best fares today on flights from Ottawa to United States starting at $518

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Search flights from Ottawa (YOW) to United States

Ottawa (YOW) to San Francisco (SFO)

Depart: 06/03/19,
Return: 06/09/19
from$ 620*Viewed: 1 day ago

Ottawa (YOW) to Los Angeles (LAX)

Depart: 07/26/19,
Return: 07/31/19
from$ 518*Viewed: 1 day ago

Ottawa (YOW) to New York/Newark (EWR)

Depart: 08/25/19,
Return: 08/31/19
from$ 898*Viewed: 17 hours ago

Ottawa (YOW) to Chicago (ORD)

Depart: 06/18/19,
Return: 06/21/19
from$ 1,250*Viewed: 14 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.