Cheap Flights from Seattle (SEA) to Vancouver (YDT)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Vancouver, BC (YDT-Boundary Bay)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Alternative airports near Vancouver

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Vancouver Intl. YVR. Average driving time to city center is 18 minutes. Flights from $300
YVR
Vancouver Intl.
Average driving time to city center18 min
Flights from $300
Select flight to Abbotsford Intl. YXX. Average driving time to city center is 56 minutes. Flights from $394
YXX
Abbotsford Intl.
Average driving time to city center56 min
Flights from $394
Select flight to Bellingham Intl. BLI. Cheapest option available. Average driving time to city center is 1 hour 6 minutes. Flights from $228
BLI
Bellingham Intl.
Cheapest
Average driving time to city center1 h 6 min
Flights from $228

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Boundary Bay Airport (YDT) cost?
Secure a cheap one-way flight or cheap return flight from Seattle - Tacoma Intl. Airport (SEA) to Boundary Bay Airport (YDT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Boundary Bay Airport (YDT)?
Planning your trip for can help you save, as it's the cheapest month for flights between SEA and YDT. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Boundary Bay Airport (YDT)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SEA to YDT flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Boundary Bay Airport (YDT)?
There are no daily nonstop flights available from Seattle - Tacoma Intl. Airport (SEA) to Boundary Bay Airport (YDT). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from SEA to YDT?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a number of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Boundary Bay Airport (YDT)?
To touch down at Boundary Bay Airport (YDT) on time, select a flight that leaves Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Delta from Seattle - Tacoma Intl. Airport (SEA)?
If you're taking a direct flight from Seattle - Tacoma Intl. Airport (SEA) to Delta, you'll touch down at either Vancouver Intl. Airport (YVR) or Victoria Intl. Airport (YYJ).
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Boundary Bay Airport (YDT) last-minute?
Last-minute fares from SEA to YDT are usually more expensive. To secure the best rates, start looking for flights well in advance. That said, if you can play around with your travel dates, you may land a cheap fare just before your departure.
Is it cheaper to book a SEA to YDT flight and hotel package?
You can save money by booking a SEA to YDT flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've selected your ideal accommodations and flights, you can add extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Boundary Bay Airport (YDT)?
In most cases, you can modify or cancel your SEA to YDT flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you'd like further details, visit our Customer Service portal.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Boundary Bay
Distance
117 mi

Book with confidence

Seattle to Vancouver Flights

The cheapest times to fly from Seattle to Vancouver

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Vancouver are during the month of . You can find some of the cheapest flights from Seattle to Vancouver with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Vancouver

Sunday is one of the best days to book for cheap flights from Seattle to Vancouver: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Vancouver

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Vancouver in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Vancouver flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Vancouver airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to Vancouver Flights

Explore a world of travel with Expedia

*Available to One Key members.