Cheap flights from Ottawa to Seattle from $0
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Discover deals on Ottawa to Seattle flights
Typical range $0–$0•Cheapest found $0
Checking latest prices...Find cheap flights from Ottawa to Seattle
Best
2 stops
8 Feb
DEP
06:40
YOW
2×
19:04
SEA
15h 24m
8 Feb
DEPARTURE
06:40 - 19:04
15h 24m
YOW
2 stops
SEA
2 stops
8 Feb
DEP
06:40
YOW
2×
19:04
SEA
15h 24m
8 Feb
DEPARTURE
06:40 - 19:04
15h 24m
YOW
2 stops
SEA
Air Canada flights from Ottawa to Seattle
Our best Air Canada deals on Ottawa to Seattle tickets
Best
1 stop
8 Feb
DEP
17:50
YOW
1×
22:57
SEA
8h 7m
8 Feb
DEPARTURE
17:50 - 22:57
8h 7m
YOW
1 stop
SEA
2 stops
8 Feb
DEP
12:00
YOW
2×
22:57
SEA
13h 57m
8 Feb
DEPARTURE
12:00 - 22:57
13h 57m
YOW
2 stops
SEA
American Airlines flights from Ottawa to Seattle
Our best American Airlines deals on Ottawa to Seattle tickets
Best
2 stops
8 Feb
DEP
06:40
YOW
2×
19:04
SEA
15h 24m
8 Feb
DEPARTURE
06:40 - 19:04
15h 24m
YOW
2 stops
SEA
2 stops
8 Feb
DEP
06:40
YOW
2×
19:04
SEA
15h 24m
8 Feb
DEPARTURE
06:40 - 19:04
15h 24m
YOW
2 stops
SEA
Porter Airlines flights from Ottawa to Seattle
Our best Porter Airlines deals on Ottawa to Seattle tickets
Best
1 stop
8 Feb
DEP
08:45
YOW
1×
14:34
SEA
8h 49m
8 Feb
DEPARTURE
08:45 - 14:34
8h 49m
YOW
1 stop
SEA
What's the cheapest day of the week to fly from Ottawa to Seattle?
If your flying dates are flexible, you should consider flying to Seattle on a Sat, as we generally find the cheapest rates on that day. On the other hand, Mon is the most expensive day to fly.
What is the cheapest month to fly from Ottawa to Seattle?
The cheapest month for flights from Ottawa to Seattle is Sep, where tickets cost $430 on average. The most expensive months are Jul.
JanFebMarAprMayJunJulAugSepOctNovDec
$621$526$430
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Everything you should know
Cheapest one-way flight
$473
Typical prices: $473–$773
When to book
6 weeks
in advance to save around 35%
Good to know
💰
Save money
Compare prices across airlines to find the best deal. Prices can vary significantly.
📅
Be flexible
Flying midweek or in off-peak seasons can save you up to 30% on airfare.
⏰
Book early
Booking 6+ weeks in advance typically offers the best prices.
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Frequently asked questions
The cheapest flight from Ottawa to Seattle currently costs AUD $473. Prices typically range from $473 to $773. Prices change frequently, so we recommend booking early and being flexible with your travel dates.