Flight tickets from Ottawa International (YOW) to Seattle (SEAA)

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Flight deals from Ottawa International to Seattle

Looking for a cheap last-minute deal or the best return flight from Ottawa International to Seattle? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Ottawa International to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ottawa International to Seattle flights are currently cheapest in March.

Alternative Ottawa International to Seattle routes

Looking for the cheapest, fastest or easiest route from Ottawa International to Seattle? You could fly into the following airports instead.

Ottawa to Seattle: Flight information

The things to know before you go.
Cheapest flight found₹ 15,862
Cheapest month to flyMarch

Finding cheap flights from Ottawa International to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Ottawa International to Seattle is ₹ 29,984. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Ottawa International to Seattle. But we found flights with one or more stops from ₹ 29,984.
As of February 2026, there are no flights flying from Ottawa International to Seattle.
The cheapest month to fly from Ottawa International to Seattle is usually March.
If you're flying from Ottawa International Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from ₹ 29,984.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ottawa International Airport to Seattle on Thursday, 5 March 2026.
No airlines currently offer direct flights between Ottawa International Airport and Seattle. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In February, the average temperature is usually around 4°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Air Canada offers the cheapest flight tickets to Seattle.

Flying from Ottawa/Macdonald-Cartier International Airport (YOW) to Seattle: what you need to know

  • Ottawa/Macdonald-Cartier International Airport is located in Ottawa. Based in the UTC-7 timezone, Seattle is three hours behind Ottawa.

  • Leave plenty of time to make your YOW to Seattle flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • If you're jetting off during a bank holiday or another peak period, allow for even more time. A good rule is two hours ahead of domestic flights and up to four hours before international departures. Queues at security and check-in will be longer.

  • Located around 11 kilometres from central Ottawa, YOW can be reached in about 20 minutes by car. The journey on public transport will take roughly 45 minutes.

  • Catching an early flight from Ottawa/Macdonald-Cartier International Airport to Seattle? Avoid rushing to the terminal (and get some extra shut-eye) by choosing one of these stays close to YOW:

  • 58.21% of flights that take off from Ottawa/Macdonald-Cartier International Airport land at their destination on time.

  • The address for YOW is 50 Airport Road.

How to find the cheapest flights from Ottawa/Macdonald-Cartier International Airport (YOW) to Seattle

  • ₹ 15,862 is the lowest price we've seen for a one-way Ottawa/Macdonald-Cartier International Airport to Seattle flight. A round-trip flight ticket right now is ₹ 29,984. Depending on the availability and when you book, these fares can change.

  • Booking early is often the key to securing a cheap flight from YOW to Seattle. Prices tend to rise as demand increases, so the nearer your departure date, the more you'll likely pay.

  • If you're flexible with your travel plans, try using the 'Whole month' tool. It'll find the cheapest price across every month when searching for your Ottawa/Macdonald-Cartier International Airport to Seattle ticket.

  • Stay on top of deals for cheap flights from YOW to Seattle by setting up a Price Alert. You'll get an email or notification through the app when a special offer becomes available.

  • Pick your preferred departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from Ottawa/Macdonald-Cartier International Airport to Seattle by 'Fastest,' 'Best' or 'Cheapest.'

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) is around 23 kilometres from central Seattle. If you're opting for a ride-share or a cab, the drive takes about 20 minutes.

  • Travelling to the centre by public transport typically takes 55 minutes.

  • If you're arriving on a late flight from Ottawa/Macdonald-Cartier International Airport to Seattle, nothing beats the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and resting not long after at one of these accommodation options near SEA:

  • Explore without limits with a Seattle-Tacoma International Airport rental car. Pick up your wheels from Thrifty, Europcar or Budget and find adventure across Seattle and beyond.

  • To lock in the lowest price, book your vehicle from Seattle-Tacoma International Airport around one week in advance of your flight from YOW to Seattle.

Lake Union Sea Plane Base Airport (LKE)

  • The centre of Seattle is around 3 kilometres from Lake Union Sea Plane Base Airport (LKE). Once your flight from Ottawa/Macdonald-Cartier International Airport to Seattle has hit the runway and you've navigated your way to arrivals, the drive should be around 10 minutes.

  • The journey will take roughly 25 minutes on public transport.

  • There are some comfortable places to rest your head close to LKE. Kick back and get cosy after your YOW to Seattle flight at any of these perfectly located options:

Best time to go to Seattle

  • Before securing your flights from Ottawa/Macdonald-Cartier International Airport to Seattle, consider which time of year works best for you. Peak season in Seattle offers a lively atmosphere and plenty of things to do, while the low season brings cheaper deals on hotels and smaller crowds.

  • The warmest month in Seattle is August, with temperatures ranging between 12ºC and 28ºC. Lock in your Ottawa/Macdonald-Cartier International Airport to Seattle flight ticket then if you enjoy this type of weather.

  • If you want to travel in cooler conditions, search for a cheap ticket from YOW to Seattle in February when temperatures average between -1ºC and 11ºC.

More about Seattle

  • Once you've booked your flight from Ottawa/Macdonald-Cartier International Airport to Seattle, find a hotel that offers both comfort and a great location. Make one of these options your base for exploring Seattle:

  • LMN Architects and Greyhound: Bus Station are just two of the leading attractions to put on your Seattle must-do list. Keep the momentum going by heading to Boeing Radiation Effects Lab.

Explore more of United States

  • Seattle is always a good idea, but there are so many other parts of United States just waiting to be explored. About 241 kilometres south of Seattle, a trip to Portland will keep your itinerary busy. Don't miss top attractions like Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • Spokane is another standout destination in United States and is around 370 kilometres east of Seattle. No journey is complete without dropping by Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.