A church with two tall spires and a snow-covered park in the foreground.

Flights from Seattle-Tacoma International Airport (SEA) to Ottawa International Airport (YOW)
Flights to Ottawa
Ontario
Canada
Flights
Expedia.co.jp

Popular airlines from Seattle-Tacoma International Airport (SEA) to Ottawa International Airport (YOW)

WestJet
American Airlines
Air Canada
United

Be in the know
Get alerts if flight prices drop or rise*
Book smarter
Save up to 40% on select hotels after you book a flight*
Earn twice
Earn your airline miles on top of our rewards
Sign in

Cheap Flights from Seattle to Ottawa (SEA-YOW)

Prices were available within the past 7 days and start at ￥39,131 for one-way flights and ￥78,201 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Thu, Aug 27 - Mon, Aug 31

SEA

Seattle

YOW

Ottawa

￥78,201

Roundtrip

Found 1 day ago

Select WestJet flight, departing Thu, Aug 27 from Seattle to Ottawa, returning Mon, Aug 31, priced at ￥78,201 Found 1 day ago

Thu, Aug 27 - Mon, Aug 31

SEA

Seattle

YOW

Ottawa

￥82,991

Roundtrip

Found 1 day ago

Select WestJet flight, departing Thu, Aug 27 from Seattle to Ottawa, returning Mon, Aug 31, priced at ￥82,991 Found 1 day ago

Thu, Aug 27 - Mon, Aug 31

SEA

Seattle

YOW

Ottawa

￥83,475

Roundtrip

Found 1 day ago

Select Air Canada flight, departing Thu, Aug 27 from Seattle to Ottawa, returning Mon, Aug 31, priced at ￥83,475 Found 1 day ago

Thu, Aug 27 - Mon, Aug 31

SEA

Seattle

YOW

Ottawa

￥85,004

Roundtrip

Found 1 day ago

Select WestJet flight, departing Thu, Aug 27 from Seattle to Ottawa, returning Mon, Aug 31, priced at ￥85,004 Found 1 day ago

Thu, Aug 27 - Mon, Aug 31

SEA

Seattle

YOW

Ottawa

￥86,681

Roundtrip

Found 1 day ago

Select WestJet flight, departing Thu, Aug 27 from Seattle to Ottawa, returning Mon, Aug 31, priced at ￥86,681 Found 1 day ago

Tue, Aug 25 - Mon, Aug 31

SEA

Seattle

YOW

Ottawa

￥87,263

Roundtrip

Found 5 days ago

Select WestJet flight, departing Tue, Aug 25 from Seattle to Ottawa, returning Mon, Aug 31, priced at ￥87,263 Found 5 days ago

Thu, Aug 27 - Mon, Aug 31

SEA

Seattle

YOW

Ottawa

￥87,329

Roundtrip

Found 1 day ago

Select United flight, departing Thu, Aug 27 from Seattle to Ottawa, returning Mon, Aug 31, priced at ￥87,329 Found 1 day ago

Thu, Aug 27 - Mon, Aug 31

SEA

Seattle

YOW

Ottawa

￥88,239

Roundtrip

Found 1 day ago

Select United flight, departing Thu, Aug 27 from Seattle to Ottawa, returning Mon, Aug 31, priced at ￥88,239 Found 1 day ago

Thu, Aug 27 - Mon, Aug 31

SEA

Seattle

YOW

Ottawa

￥94,583

Roundtrip

Found 1 day ago

Select Delta flight, departing Thu, Aug 27 from Seattle to Ottawa, returning Mon, Aug 31, priced at ￥94,583 Found 1 day ago

Tue, Aug 25 - Mon, Aug 31

SEA

Seattle

YOW

Ottawa

￥94,858

Roundtrip

Found 5 days ago

Select American Airlines flight, departing Tue, Aug 25 from Seattle to Ottawa, returning Mon, Aug 31, priced at ￥94,858 Found 5 days ago

Find the cheapest month to fly from Seattle (SEA) to Ottawa (YOW)

April is typically the cheapest month to fly

From ￥48,859 - ￥114,032 per traveler.

Travel information

Origin airport	Seattle-Tacoma International Airport
Destination airport	Ottawa International Airport
Distance	3,530 km away
Airlines serving	WestJet, American Airlines, Air Canada, United
Popular airline	WestJet
Roundtrip price	￥78,201

Explore a world of travel with Expedia

Lodging
Flights
Packages
Cars

Hotels near Carleton University
Standard Link for Hotels near Carleton University
Apartments in Ottawa
Standard Link for Apartments in Ottawa
Hotels near St. Laurent Centre
Standard Link for Hotels near St. Laurent Centre
Apartments in Ashton
Standard Link for Apartments in Ashton
Gay friendly Hotels in Ottawa
Standard Link for Gay friendly Hotels in Ottawa
Ottawa Hotels
Standard Link for Ottawa Hotels
Hotels near Parliament Building
Standard Link for Hotels near Parliament Building
Hotels with Bars in Kars
Standard Link for Hotels with Bars in Kars
Kanata Hotels
Standard Link for Kanata Hotels
B&B in Ottawa
Standard Link for B&B in Ottawa
Cheap Hotels in Winchester
Standard Link for Cheap Hotels in Winchester
Nepean Hotels
Standard Link for Nepean Hotels
Resorts & Hotels with Spas in Ottawa
Standard Link for Resorts & Hotels with Spas in Ottawa
Hotels near Notre-Dame Cathedral Basilica
Standard Link for Hotels near Notre-Dame Cathedral Basilica
Hotels with Free Parking in Downtown Ottawa
Standard Link for Hotels with Free Parking in Downtown Ottawa
Waterpark Hotels in Downtown Ottawa
Standard Link for Waterpark Hotels in Downtown Ottawa
Inns in Ottawa
Standard Link for Inns in Ottawa
Orleans Hotels
Standard Link for Orleans Hotels
Cheap Hotels in Carleton Place
Standard Link for Cheap Hotels in Carleton Place
Hotels near Embassy of the United States
Standard Link for Hotels near Embassy of the United States
Cheap Hotels in Glebe
Standard Link for Cheap Hotels in Glebe
Rv Parks in Mississippi Mills
Standard Link for Rv Parks in Mississippi Mills
Pet-Friendly Hotels in Limoges
Standard Link for Pet-Friendly Hotels in Limoges
Hotels near Ottawa-Rockcliffe
Standard Link for Hotels near Ottawa-Rockcliffe
Cumberland Hotels
Standard Link for Cumberland Hotels
Hotels near Ottawa
Standard Link for Hotels near Ottawa
Resorts & Hotels with Spas in ByWard Market
Standard Link for Resorts & Hotels with Spas in ByWard Market
Hostels in Ottawa
Standard Link for Hostels in Ottawa
Wellington Village Hotels
Standard Link for Wellington Village Hotels
Cheap Hotels in Russell
Standard Link for Cheap Hotels in Russell
Hotels near Ottawa-Carp
Standard Link for Hotels near Ottawa-Carp
Family Hotels in Downtown Ottawa
Standard Link for Family Hotels in Downtown Ottawa
Carleton Place Hotels
Standard Link for Carleton Place Hotels
Hotels near Ottawa Fallowfield Station
Standard Link for Hotels near Ottawa Fallowfield Station
Hotels with Free Parking in West End
Standard Link for Hotels with Free Parking in West End
All-Inclusive Hotel Hotels in Ottawa
Standard Link for All-Inclusive Hotel Hotels in Ottawa
Cheap Hotels in Manotick
Standard Link for Cheap Hotels in Manotick
Apartments in Russell
Standard Link for Apartments in Russell
Family Hotels in Wellington Village
Standard Link for Family Hotels in Wellington Village
Resorts in Carp
Standard Link for Resorts in Carp
Bells Corners Hotels
Standard Link for Bells Corners Hotels
Hotel with a Concierge Hotels in Downtown Ottawa
Standard Link for Hotel with a Concierge Hotels in Downtown Ottawa
Hotels near Byward Market Square
Standard Link for Hotels near Byward Market Square
Chinatown Hotels
Standard Link for Chinatown Hotels
Hotels near University of Ottawa
Standard Link for Hotels near University of Ottawa
B&B in Winchester
Standard Link for B&B in Winchester
Hotels near Canada Aviation and Space Museum
Standard Link for Hotels near Canada Aviation and Space Museum
Hotels near The Ottawa Hospital General Campus
Standard Link for Hotels near The Ottawa Hospital General Campus
Hotels near National Arts Centre
Standard Link for Hotels near National Arts Centre
Family Hotels in ByWard Market
Standard Link for Family Hotels in ByWard Market
Aparthotels in Ottawa
Standard Link for Aparthotels in Ottawa
Cheap Hotels in Ottawa
Standard Link for Cheap Hotels in Ottawa
Motels in Ottawa Station
Standard Link for Motels in Ottawa Station
Luxury Hotels in Alta Vista
Standard Link for Luxury Hotels in Alta Vista
Cheap Hotels in Leitrim
Standard Link for Cheap Hotels in Leitrim
Hotels with Early Check-in in West End
Standard Link for Hotels with Early Check-in in West End
Business Hotels in Downtown Ottawa
Standard Link for Business Hotels in Downtown Ottawa
Motels in Ottawa
Standard Link for Motels in Ottawa
Cheap Hotels in New Edinburgh
Standard Link for Cheap Hotels in New Edinburgh
Cheap Hotels in Chinatown
Standard Link for Cheap Hotels in Chinatown
Pet-Friendly Hotels in Downtown Ottawa
Standard Link for Pet-Friendly Hotels in Downtown Ottawa
Aparthotels in Ottawa
Standard Link for Aparthotels in Ottawa
Hostels in Ottawa
Standard Link for Hostels in Ottawa
Ashton Hotels
Standard Link for Ashton Hotels
Downtown Ottawa Hotels
Standard Link for Downtown Ottawa Hotels
Castles in Ottawa
Standard Link for Castles in Ottawa
Holiday Park Resorts in Ottawa
Standard Link for Holiday Park Resorts in Ottawa
Ski Hotels in Ottawa
Standard Link for Ski Hotels in Ottawa
Hotels with a Pool in Kanata Lakes - Marchwood Lakeside - Morgan's Grant - Kanata
Standard Link for Hotels with a Pool in Kanata Lakes - Marchwood Lakeside - Morgan's Grant - Kanata
Farmstay in Ottawa
Standard Link for Farmstay in Ottawa
Luxury Hotels in Ottawa
Standard Link for Luxury Hotels in Ottawa
Guest Houses in Ottawa
Standard Link for Guest Houses in Ottawa
Pet-Friendly Hotels in Ottawa
Standard Link for Pet-Friendly Hotels in Ottawa
Boutique Hotels in Ottawa
Standard Link for Boutique Hotels in Ottawa
Rv Parks in Ottawa
Standard Link for Rv Parks in Ottawa
Ryokans in Ottawa
Standard Link for Ryokans in Ottawa
Historic Hotels in Downtown Ottawa
Standard Link for Historic Hotels in Downtown Ottawa
Hotels near Ottawa City Hall
Standard Link for Hotels near Ottawa City Hall
Hotels near Lansdowne Park
Standard Link for Hotels near Lansdowne Park
Hotels near Laurier House
Standard Link for Hotels near Laurier House
Alta Vista Hotels
Standard Link for Alta Vista Hotels
Hotels with Free Parking in ByWard Market
Standard Link for Hotels with Free Parking in ByWard Market
B&B in Ottawa
Standard Link for B&B in Ottawa
Hotels near Elgin Street
Standard Link for Hotels near Elgin Street
Cheap Hotels in Downtown Ottawa
Standard Link for Cheap Hotels in Downtown Ottawa
Hotels with an Indoor Pool in Downtown Ottawa
Standard Link for Hotels with an Indoor Pool in Downtown Ottawa
Guest Houses in Ottawa
Standard Link for Guest Houses in Ottawa
Cheap Hotels in Ashton
Standard Link for Cheap Hotels in Ashton
Hotels near Place D'Orleans Shopping Center
Standard Link for Hotels near Place D'Orleans Shopping Center
Luxury Hotels in Williamsburg
Standard Link for Luxury Hotels in Williamsburg
Hotels near Ottawa Station
Standard Link for Hotels near Ottawa Station
Treehouses in Ottawa
Standard Link for Treehouses in Ottawa
Hotels near Macdonald-Cartier Intl.
Standard Link for Hotels near Macdonald-Cartier Intl.
Hotels with a Pool in Ottawa
Standard Link for Hotels with a Pool in Ottawa
Cottages in Manotick
Standard Link for Cottages in Manotick
Gloucester Hotels
Standard Link for Gloucester Hotels

Flights to Ottawa
Standard Link for Flights to Ottawa

Ottawa Vacations
Standard Link for Ottawa Vacations

Car rentals near Ottawa
Standard Link for Car rentals near Ottawa

*Available to One Key members.

￥39,131 Cheap Flights from Seattle (SEA) to Ottawa (YOW)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Ottawa International Airport (YOW)

Be in the know

Book smarter

Earn twice

Cheap Flights from Seattle to Ottawa (SEA-YOW)

Find the cheapest month to fly from Seattle (SEA) to Ottawa (YOW)

April is typically the cheapest month to flyApril is typically the cheapest month to fly

Travel information

Explore a world of travel with Expedia

April is typically the cheapest month to fly