Cheap Flights from Seattle to Ottawa
No deal from Seattle to Ottawa has cleared our price bar yet. What we have seen on the route is below.
Across 3 months of observations from Seattle to Ottawa, the lowest round-trip fare we recorded was $303, in August. The typical fare was $474. August was the cheapest month we saw and October the dearest.
The most recent price we saw on this route was $511 on United and WestJet, seen Oct 17. It is an unverified observation and may have changed.
See every deal <a href="/from/seattle">from Seattle</a>, <a href="/to/ottawa">to Ottawa</a>, or the return direction <a href="/from/ottawa/to/seattle">Ottawa to Seattle</a>.
Latest price we saw: Seattle to Ottawa
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Seattle (SEA) to Ottawa (YOW) | $511 | 11.6¢ | Jan 8 – Jan 14 | United and WestJet | Oct 17 | Check price |
Price history: Seattle to Ottawa
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $426 | $504 | 14 |
| Sep 2026 | $325 | $430 | 32 |
| Aug 2026 | $303 | $489 | 121 |
Frequently asked questions
How many flight deals from Seattle to Ottawa are on Sparkflights right now?
There are 0 verified deals from Seattle to Ottawa on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Seattle to Ottawa?
The lowest fare we've recorded from Seattle to Ottawa is $303, based on 167 price observations over 3 months.
How much does a flight from Seattle to Ottawa cost?
The typical round-trip fare we observed from Seattle to Ottawa is $474, against a recorded low of $303. These are observations, not quotes.
When is the cheapest month to fly Seattle to Ottawa?
August was the cheapest month we observed from Seattle to Ottawa and October the dearest, over 3 months of data.
What is the current price from Seattle to Ottawa?
The most recent fare our sweep saw from Seattle to Ottawa is $511, on Oct 17. It is an unverified observation rather than a verified deal, so check it before booking.