Cheap flights from Seattle to Phoenix from C$ 135

If you aren’t able to travel to Phoenix Sky Harbor Intl Airport during the month of August, then flying in July is also cheap. Prices for this month can be found on momondo for an average of C$ 249.

The cheapest day to depart from Seattle to Phoenix Sky Harbor Intl Airport is on a Tuesday when prices can be found for as low as C$ 200. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Phoenix Sky Harbor Intl Airport for around C$ 406.

According to our data, the cheapest time of day to fly to Phoenix Sky Harbor Intl Airport is in the evening. momondo users have found flights departing from Seattle to Phoenix Sky Harbor Intl Airport in the evening for as low as C$ 220. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Phoenix Sky Harbor Intl Airport is in the morning when prices are around C$ 344.

Fly from Seattle/Tacoma Intl to Phoenix Sky Harbor Intl for the best Seattle/Tacoma Intl - Phoenix Sky Harbor Intl flight prices

You are more likely to see cheaper flights to Phoenix Sky Harbor Intl Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix Sky Harbor Intl Airport for around C$ 308 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix Sky Harbor Intl Airport from Seattle for as low as C$ 251 on momondo.

You could potentially save up to 40% on your flight if you consider stops on a Seattle to Phoenix Sky Harbor Intl Airport flight.

As of May 2026, prices for Seattle to Phoenix Sky Harbor Intl Airport flights are approximately 61% more expensive when compared to flights at the same time last year.

Delta, United Airlines, and Southwest are the most popular carriers operating from Seattle/Tacoma Intl to Phoenix Sky Harbor Intl

Frontier, Alaska Airlines and Delta are the top three most popular airlines that fly to Phoenix Sky Harbor Intl Airport from Seattle according to our data. Frontier is the first choice among our users, with 37% of people opting to fly with this airline when travelling to Phoenix Sky Harbor Intl Airport. Keep in mind that there are 5 different airlines that fly to Phoenix Sky Harbor Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between Seattle and Phoenix have experienced a delay on any given week. The average delay length over the past 12 months has been 127 minutes.

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

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, Delta has had the least delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

As of May 2026, 26 flights take off from Seattle and land in Phoenix Sky Harbor Intl Airport each day. The most common flight departure time for this route is 6:00p.m., with 48% of daily flights taking off in the evening.

The number of flights available between Seattle and Phoenix Sky Harbor Intl Airport is 185 per week as of May 2026. The most frequent departure day is Sat, with 21% of weekly flights leaving on this day.