Cheap flights from British Columbia to Washington from C$ 164

In general, November is the cheapest month to fly from British Columbia to State of Washington. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 275. If you’re not able to fly to State of Washington in November, then February is your next best option. Flight prices from British Columbia to State of Washington during February average around C$ 292.

On average, the least expensive day to fly to State of Washington from British Columbia is on a Friday. momondo users have found tickets for Friday departures for as low as C$ 980. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to State of Washington on Sunday is C$ 1,195.

According to our data, the cheapest time of day to fly to State of Washington is in the evening. momondo users have found flights departing from British Columbia to State of Washington in the evening for as low as C$ 892. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 1,632 on average. Flights to State of Washington from British Columbia at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to State of Washington from British Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around C$ 322 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from British Columbia for as low as C$ 174 on momondo.

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

Air Canada, WestJet, and Alaska Airlines are the most popular carriers operating from British Columbia to Washington

Alaska Airlines, Air Canada and WestJet are the top three most popular airlines that fly to State of Washington from British Columbia according to our data. Alaska Airlines is the first choice among our users, with 53% of people opting to fly with this airline when travelling to State of Washington. Keep in mind that there are 4 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

The number of flights available between British Columbia and State of Washington is 49 per day as of September 2026. The most frequent departure time is 5:00p.m., with 43% of daily flights leaving in the afternoon.

As of September 2026, there are 348 flights per week flying from British Columbia to State of Washington. The most common day of the week flights depart is Mon, with 31% of flights taking off on this day.