Cheap flights from Austin to Seattle from R2 387

The cheapest month to fly to Seattle from Austin is in January. Flight prices, which tend to average around R3 557, 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 April is also cheap. Prices for this month can be found on momondo for an average of R4 037.

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 338 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 030 on momondo.

Historically, on average around 10% 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 162 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.

Wednesday 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 9% of their flights experiencing any sort of delay.

As of September 2026, 13 flights take off from Austin and land in Seattle each day. The most common flight departure time for this route is 6:00, with 59% of daily flights taking off at midday.

As of September 2026, 92 flights take off from Austin and land in Seattle each week. The most common flight departure day for this route is Thu, with 22% of weekly flights taking off on this day.