Cheap flights from Edmonton to Seattle from $148

In general, September is the cheapest month to fly from Edmonton to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $169. If you don’t want to visit Seattle in September, then you should wait until October to fly from Edmonton, when ticket prices are also cheap, with an average price of $196.

Fly from Edmonton to Seattle/Tacoma Intl for the best Edmonton - Seattle/Tacoma Intl flight prices

You are more likely to see cheaper flights to Seattle from Edmonton when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $290 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Edmonton for as low as $231 on momondo.

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

You could potentially save up to 37% on your flight if you consider stops on a Edmonton to Seattle flight.

As of August 2026, prices for Edmonton to Seattle flights are approximately 25% more expensive when compared to flights at the same time last year.

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

WestJet, Air Canada and Alaska Airlines are the top three most popular airlines that fly to Seattle from Edmonton according to our data. WestJet is the first choice among our users, with 58% 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.

Historically, on average around 10% of flights between Edmonton and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Alaska Airlines have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

As of August 2026, there are 6 flights per day flying from Edmonton to Seattle. The most common time of day flights depart is 11:00AM, with 68% of flights taking off at noon.

The number of flights available between Edmonton and Seattle is 45 per week as of August 2026. The most frequent departure day is Fri, with 18% of weekly flights leaving on this day.