Cheap flights from Austin to Seattle from R2 354

The cheapest month to fly to Seattle from Austin is in April. Flight prices, which tend to average around R4 165, 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 April, then flying in January is also cheap. Prices for this month can be found on momondo for an average of R4 215.

You are more likely to see cheaper flights to Seattle from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around R5 794 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 Austin for as low as R5 334 on momondo.

Historically, on average around 11% of flights between Austin and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 161 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.

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

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

As of October 2026, 17 flights take off from Austin and land in Seattle each day. The most common flight departure time for this route is 8:00, with 55% of daily flights taking off at midday.

As of October 2026, 123 flights take off from Austin and land in Seattle each week. The most common flight departure day for this route is Sun, with 18% of weekly flights taking off on this day.