Cheap flights from Seattle to North America from $72

The month of January is, on average, the cheapest month to fly to North America from Seattle, with most prices found around $305. If you are unable to visit North America during the month of January, then departing from Seattle during the month October is also very affordable. Most momondo users find prices during this month for around $339.

The cheapest day to depart from Seattle to North America is on a Friday. Travelers who choose to depart for North America on a Friday will often find tickets for as low as $414. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to North America on Monday is $501.

The cheapest time of day to fly to North America is at noon when flights can be purchased for as low as $425. Try not to purchase tickets in the morning because they tend to be around $460. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to North America from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to North America for around $417 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to North America from Seattle for as low as $348 on momondo.

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

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

Alaska Airlines, Delta and Frontier are the top three most popular airlines that fly to North America from Seattle according to our data. Alaska Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to North America. Keep in mind that there are 11 different airlines that fly to North America on a routine basis, so you have a few additional options to choose from.

As of August 2026, 256 flights take off from Seattle and land in North America each day. The most common flight departure time for this route is 7:00AM, with 44% of daily flights taking off at noon.

1,793 flights are operational weekly from Seattle to North America as of August 2026. The most popular departure day for this route is Wed, with 27% of flights per week taking off on this day.