Cheap flights from Ottawa to Seattle
Know your dates, get live prices in seconds:
We work with more than 300 partners to bring you better travel deals
How to find the cheapest flight from
Ottawa (YOW) to Seattle (SEA)
What is the cheapest day to fly round-trip from Ottawa to Seattle?
Departing on a Friday is a good option for securing a great price. You can expect to save up to 23% when planning your travel around this day of the week.
How far in advance should I book a flight from Ottawa to Seattle?
Find a great deal and save up to 41% by booking at least 43 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ottawa to Seattle within the next two weeks, with the cheapest ticket starting at C$ 1,079.
What is the cheapest month to fly from Ottawa to Seattle?
Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to Seattle. Flights to Seattle from Ottawa in February are about C$ 654 on average during February, but can be found for as low as C$ 480.
When is the cheapest time to fly from Ottawa to Seattle (YOW - 03A)?
It’s typically best to fly out from Ottawa to Seattle in the evening. Doing so could potentially save you 21% on the flight price compared to flying at noon, which is usually more expensive.