NT$7,919 Cheap Flights from Ottawa (YOW) to Seattle (SEA)

View NT$7,919 flight on Thu, 2026/1/1Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 45% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Ottawa to Seattle (YOW-SEA)

Prices were available within the past 7 days and start at NT$7,919 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Ottawa (YOW) to Seattle (SEA)
Origin airport
Macdonald-Cartier Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
3510 km

Ottawa to Seattle Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Ottawa to Seattle will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Seattle.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with YOW to SEA flights that won’t make your bank account wince. Ready to temporarily leave behind Ottawa for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SEA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Ottawa International Airport to SEA?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip flight from YOW to Seattle - Tacoma Intl. Airport (SEA) was . Fares this good don't hang around forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from YOW to Seattle - Tacoma Intl. Airport (SEA)?
When it comes to cancellation fees, every airline has its own set of terms and conditions. If you decide to cancel your vacation, head to our Customer Service Portal.
How do I find cheap flights from Macdonald-Cartier Intl. Airport (YOW) to Seattle - Tacoma Intl. Airport (SEA) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Macdonald-Cartier Intl. Airport (YOW) to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Ottawa Intl. Airport to Seattle - Tacoma Intl. Airport (SEA)?
The flight distance from Ottawa to SeaTac is 3,500 kilometers. Bring a drink, a few snacks and a good book to read. Keep yourself entertained and the time will fly by.
Which airlines fly direct from Ottawa International Airport to SEA?
If you want to travel straight from YOW to Seattle - Tacoma Intl. Airport (SEA), you'll need to book a flight with at least one stop. Unfortunately, there aren't any airlines that fly directly on this route.
Are Ottawa Intl. Airport to SEA flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes pick up a bargain, with some of the cheapest airfares from Ottawa International Airport to SEA cropping up a few weeks before the departure date. If you'd rather book ahead, Expedia compares and updates all the best flight deals frequently — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines issue prices so far in advance.

Explore a world of travel with Expedia

*Available to Expedia members.