Cheap flights from British Columbia to Seattle from $129

In general, February is the cheapest month to fly from British Columbia to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $53. If you don’t want to visit Seattle in February, then you should wait until December to fly from British Columbia, when ticket prices are also cheap, with an average price of $57.

On average, the least expensive day to fly to Seattle from British Columbia is on a Friday. momondo users have found tickets for Friday departures for as low as $548. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Tuesday is the most expensive day to depart from British Columbia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $845.

Flying to Seattle from British Columbia in the evening is the least expensive time of day to depart. momondo users have found prices as low as $534 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $1,210. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Vancouver Intl to Seattle/Tacoma Intl for the best British Columbia - Seattle/Tacoma Intl flight prices

You are more likely to see cheaper flights to Seattle from British Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $218 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from British Columbia for as low as $172 on momondo.

Alaska Airlines, Delta, and WestJet are the most popular carriers operating from British Columbia to Seattle/Tacoma Intl

Air Canada, Alaska Airlines and WestJet are the top three most popular airlines that fly to Seattle from British Columbia according to our data. Air Canada is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

The number of flights available between British Columbia and Seattle is 65 per day as of May 2026. The most frequent departure time is 5:00PM, with 42% of daily flights leaving at noon.

As of May 2026, there are 458 flights per week flying from British Columbia to Seattle. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.