Cheap flights from British Columbia to Seattle from $69

In general, January 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 $173. If you don’t want to visit Seattle in January, then you should wait until November to fly from British Columbia, when ticket prices are also cheap, with an average price of $176.

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 $598. 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 $789.

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 $474 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $1,231. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Kelowna 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 $216 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 $185 on momondo.

There are 4 cabin classes available to choose from on British Columbia to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

WestJet is the most popular carrier operating from British Columbia to Seattle/Tacoma Intl

Alaska Airlines, Air Canada and WestJet are the top three most popular airlines that fly to Seattle from British Columbia according to our data. Alaska Airlines is the first choice among our users, with 52% 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 74 per day as of February 2026. The most frequent departure time is 7:00AM, with 50% of daily flights leaving at noon.

As of February 2026, there are 518 flights per week flying from British Columbia to Seattle. The most common day of the week flights depart is Sat, with 16% of flights taking off on this day.