Flights from Ottawa to Seattle

Depart
Return
Any month
Compare vs. momondo |

Ottawa to Seattle flight comparison made easy

Below you can see the best fares for your route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Ottawa to Seattle by changing tabs
Quickest
Cheapest
WestJet
WestJet
10 Sep.
YOW
4:00 a.m.
Ottawa airport
13h 17m
2 Stops
2:17 p.m.
SEA
Seattle/Tacoma Intl airport
WestJet
18 Sep.
SEA
12:20 a.m.
Seattle/Tacoma Intl airport
13h 41m
2 Stops
5:01 p.m.
YOW
Ottawa airport
374 CAD
WestJet
WestJet
19 Sep.
YOW
4:00 a.m.
Ottawa airport
11h 29m
2 Stops
12:29 p.m.
SEA
Seattle/Tacoma Intl airport
WestJet
25 Sep.
SEA
12:20 a.m.
Seattle/Tacoma Intl airport
13h 41m
2 Stops
5:01 p.m.
YOW
Ottawa airport
374 CAD
WestJet
WestJet
04 Sep.
YOW
6:45 a.m.
Ottawa airport
12h 23m
2 Stops
4:08 p.m.
SEA
Seattle/Tacoma Intl airport
WestJet
11 Sep.
SEA
12:20 a.m.
Seattle/Tacoma Intl airport
13h 41m
2 Stops
5:01 p.m.
YOW
Ottawa airport
377 CAD
United Airlines
United Airlines
02 Aug.
YOW
3:23 p.m.
Ottawa airport
8h 34m
1 Stop
8:57 p.m.
SEA
Seattle/Tacoma Intl airport
United Airlines
10 Aug.
SEA
1:20 p.m.
Seattle/Tacoma Intl airport
7h 57m
1 Stop
12:17 a.m.
+1
YOW
Ottawa airport
1,117 CAD
Air Canada
Air Canada
18 Jul.
YOW
1:25 a.m.
Ottawa airport
8h 22m
1 Stop
6:47 a.m.
SEA
Seattle/Tacoma Intl airport
Air Canada
20 Jul.
SEA
4:05 p.m.
Seattle/Tacoma Intl airport
9h 04m
1 Stop
4:09 a.m.
+1
YOW
Ottawa airport
1,942 CAD
WestJet
WestJet
04 Sep.
YOW
8:45 a.m.
Ottawa airport
10h 23m
2 Stops
4:08 p.m.
SEA
Seattle/Tacoma Intl airport
WestJet
10 Sep.
SEA
5:40 p.m.
Seattle/Tacoma Intl airport
9h 28m
2 Stops
6:08 a.m.
+1
YOW
Ottawa airport
439 CAD

How to get the cheapest flight from Ottawa to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight for your trip
WHAT IS THE CHEAPEST MONTH TO FLY TO SEATTLE?
June
The cheapest time of year to fly to Seattle from Ottawa is June. The most expensive is December.
WHAT IS THE CHEAPEST DAY TO FLY TO SEATTLE?
Saturday
The cheapest day of the week is typically Saturday. The most expensive is typically Sunday
WHEN IS THE CHEAPEST TIME TO FLY TO SEATTLE?
in the evening
Ottawa to Seattle flights are approximately 131% more expensive at noon than in the evening
WHAT IS THE CHEAPEST AIRLINE THAT FLIES TO SEATTLE?
WestJet
WestJet, American Airlines, and United Airlines are the most popular carriers operating from Ottawa to Seattle
WHAT IS THE CHEAPEST ROUTE?
Ottawa - Seattle/Tacoma Intl
Fly from Ottawa to Seattle/Tacoma Intl for the best Ottawa - Seattle flight prices
YOW
Ottawa
SEA
Seattle/Tacoma Intl
WHEN IS THE CHEAPEST TIME TO BOOK A FLIGHT TO SEATTLE?
26 days before
The cheapest time to buy a flight from Ottawa to Seattle is approximately 26 days before departure
60
Days before departure
0

Flight information for Ottawa to Seattle

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Seattle
Fastest flight time 8h 17m The fastest flight from Ottawa to Seattle takes 8h 17m.
Direct flights None There are no direct flights from Ottawa to Seattle. Popular non-direct route for this connection is Ottawa - Seattle/Tacoma Intl.
Airports in Seattle 3 airports There are 3 airports near Seattle: Seattle King County/Boeing (BFI), Seattle Lake Union Spb (LKE), Seattle/Tacoma Intl (SEA)

Alternative routes for Ottawa to Seattle

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Montreal to Seattle
Fastest flight time
10h 03m
Cheapest price
379 CAD
Montreal to Portland
Fastest flight time
8h 42m
Cheapest price
464 CAD
Kingston to Seattle
Fastest flight time
12h 13m
Cheapest price
1,232 CAD

Flights from Ottawa to:

Flights to Seattle from:

  • Ottawa
  • Ontario
  • Canada
  • North America