Cheap flights from North America to Seattle from $81

In general, February is the cheapest month to fly from North America to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $282. If you don’t want to visit Seattle in February, then you should wait until October to fly from North America, when ticket prices are also cheap, with an average price of $289.

On average, the least expensive day to fly to Seattle from North America is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $442. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from North America because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $511.

Flying to Seattle from North America in the evening is the least expensive time of day to depart. momondo users have found prices as low as $373 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $564. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl for the best North America - Seattle/Tacoma Intl flight prices

You are more likely to see cheaper flights to Seattle from North America when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $423 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from North America for as low as $358 on momondo.

Frontier, United Airlines, and Southwest are the most popular carriers operating from North America to Seattle/Tacoma Intl

Alaska Airlines, Delta and Frontier are the top three most popular airlines that fly to Seattle from North America according to our data. Alaska Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 12 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

As of May 2026, there are 246 flights per day flying from North America to Seattle. The most common time of day flights depart is 7:00PM, with 38% of flights taking off in the afternoon.

As of May 2026, there are 1,724 flights per week flying from North America to Seattle. The most common day of the week flights depart is Tue, with 21% of flights taking off on this day.