Cheap Flights from Ottawa to Seattle

Cheapest flights from Ottawa to Seattle

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Ottawa to Seattle. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$362

Air Canada

2 layovers

9h 50m

04/01/2027

The cheapest one-way flight from Ottawa to Seattle departs on 04/01/2027, is operated by Air Canada and costs $362

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from Ottawa to Seattle

The fastest flight

9h 50m

Fastest flight from Ottawa to Seattle takes 9h 50m

Direct flights

No direct flights

There are no direct flights on this route.

Distance

3522km

Timezone difference

3h

The distance between Ottawa and Seattle is 3522km (2184 miles). The time difference between Ottawa and Seattle is 3h

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Ottawa to Seattle by month

We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Ottawa to Seattle

July 2026

Lowest price

on average:

$329

Avg Price

Airlines operating on route

The route Ottawa — Seattle is served by a single airline — Air Canada. This means that when planning your trip, you won’t need to spend time choosing between dozens of carriers: all flights are operated by one provider, which simplifies the booking process. Despite the limited choice, passengers can still plan ahead, select optimal departure dates, and buy tickets at the lowest price — from $362. Using our service, you can quickly compare available Air Canada flights and book a seat in advance at a favorable rate.

Air Canada

starting at $362

Non-stop flights from Ottawa to Seattle

A non-stop flight is the most convenient and comfortable way to fly from Ottawa to Seattle, despite the fact that sometimes flights with transfers can cost significantly less.

There appear to be no non-stop flights from Ottawa to Seattle at this time.... Well, or something went wrong on our side and we couldn't find anything

Schedule of direct flights from Ottawa to Seattle

There are most likely no direct flights on the Ottawa — Seattle route

Ottawa airports overview

Gatineau Airport

•

YND

10km

Serving Gatineau, Quebec and western Ottawa, the airport primarily handles general aviation, flight training, charter and medevac operations, supporting private and regional travel.

Ottawa/Macdonald-Cartier International Airport

•

YOW

11km

Serves the national capital region with domestic and international flights, offering year‑round connections to major Canadian and US cities and easy access to downtown Ottawa.

•

Seattle airports overview

Boeing Field International Airport

•

BFI

8km

Seattle-Tacoma International Airport

•

SEA

19km

Primary air hub for the Seattle metropolitan area and Puget Sound, offering extensive domestic and international routes, multiple terminals, light rail and shuttle connections, and convenient access to downtown Seattle.

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Ottawa to Seattle?

The cheapest flight ticket from Ottawa to Seattle according to data for the last 48 hours costs $362

When is the best time to buy air tickets on the route Ottawa — Seattle?

Often the best time to buy tickets from Ottawa to Seattle is 2 months before departure.

When is the cheapest time of year to fly from Ottawa to Seattle?

Based on statistics over the past years, the lowest prices for flights from Ottawa to Seattle can be found flying in these months: July.

How long does it take to fly from Ottawa to Seattle?

The fastest flights from Ottawa to Seattle start from 9 hours 50 minutes in the air.

Which airline can fly direct from Ottawa to Seattle?

The following airlines operate direct flights on the route Ottawa — Seattle:

Special offers and sales on air tickets from Ottawa to Seattle

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Ottawa to Seattle

Alternative routes

Syracuse ➜ Seattle•Montreal ➜ Seattle•Toronto ➜ Seattle•Ottawa ➜ Bellingham•Ottawa ➜ Boise•Ottawa ➜ Eugene•Ottawa ➜ Spokane•Ottawa ➜ Everett•Ottawa ➜ Kamloops•Ottawa ➜ Yakima•Ottawa ➜ Kelowna•Ottawa ➜ Abbotsford•Ottawa ➜ Calgary

•••••••••••••••••••

Cheapest one way flight

$362

Air Canada

2 layovers

9h 50m

04/01/2027

The cheapest one-way flight from Ottawa to Seattle departs on 04/01/2027, is operated by Air Canada and costs $362

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from Ottawa to Seattle

The fastest flight

9h 50m

Fastest flight from Ottawa to Seattle takes 9h 50m

Direct flights

No direct flights

There are no direct flights on this route.

Distance

3522km

Timezone difference

3h

The distance between Ottawa and Seattle is 3522km (2184 miles). The time difference between Ottawa and Seattle is 3h

What is the cheapest price for flights from Ottawa to Seattle?

The cheapest flight ticket from Ottawa to Seattle according to data for the last 48 hours costs $362

When is the best time to buy air tickets on the route Ottawa — Seattle?

Often the best time to buy tickets from Ottawa to Seattle is 2 months before departure.

When is the cheapest time of year to fly from Ottawa to Seattle?

Based on statistics over the past years, the lowest prices for flights from Ottawa to Seattle can be found flying in these months: July.

How long does it take to fly from Ottawa to Seattle?

The fastest flights from Ottawa to Seattle start from 9 hours 50 minutes in the air.

Which airline can fly direct from Ottawa to Seattle?

The following airlines operate direct flights on the route Ottawa — Seattle:

Cheap Flights from Ottawa to Seattle — $362

Compare airlines, prices, and flight durations for your trip

Cheapest flights from Ottawa to Seattle

Cheapest one way flight

$362

Air Canada

2 layovers

9h 50m

04/01/2027

Cheapest round trip flight

—

—

—

—

—

The fastest flight

9h 50m

Direct flights

No direct flights

Distance

3522km

Timezone difference

3h

Airfare from Ottawa to Seattle by month

July 2026

on average:

$329

Airlines operating on route

Non-stop flights from Ottawa to Seattle

Schedule of direct flights from Ottawa to Seattle

Ottawa airports overview

Gatineau Airport

Ottawa/Macdonald-Cartier International Airport

Seattle airports overview

Boeing Field International Airport

Seattle-Tacoma International Airport

Frequently asked questions (FAQ)

Special offers and sales on air tickets from Ottawa to Seattle

Alternative routes

Cheapest one way flight

$362

Air Canada

2 layovers

9h 50m

04/01/2027

Cheapest round trip flight

—

—

—

—

—

The fastest flight

9h 50m

Direct flights

No direct flights

Distance

3522km

Timezone difference

3h

Gatineau Airport

Ottawa/Macdonald-Cartier International Airport

Boeing Field International Airport

Seattle-Tacoma International Airport

July 2026

on average:

$329