Cheap flights from Phoenix to Seattle from R1 903

The cheapest month to fly to Seattle from Phoenix is in January. Flight prices, which tend to average around R2 270, are often lower during this time because this is during the off-season. If you aren’t able to travel to Seattle during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of R3 138.

You are more likely to see cheaper flights to Seattle from Phoenix when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around R4 081 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Phoenix for as low as R3 889 on momondo.

Historically, on average around 10% of flights between Phoenix and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 145 minutes.

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

Saturday 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 have had the fewest delays on this route over the last 12 months, with about 7% of their flights experiencing any sort of delay.

6 flights are operational daily from Phoenix to Seattle as of November 2026. The most popular departure time for this route is 11:00, with 61% of flights per day taking off at midday.

As of November 2026, 47 flights take off from Phoenix and land in Seattle each week. The most common flight departure day for this route is Fri, with 87% of weekly flights taking off on this day.