Cheap Flights from Austin to Seattle
No deal from Austin to Seattle has cleared our price bar yet. What we have seen on the route is below.
Across 4 months of observations from Austin to Seattle, the lowest round-trip fare we recorded was $145, in September. The typical fare was $274. September was the cheapest month we saw and July the dearest.
The most recent price we saw on this route was $310 on Alaska and Frontier, seen Oct 16. It is an unverified observation and may have changed.
See every deal <a href="/from/austin">from Austin</a>, <a href="/to/seattle">to Seattle</a>, or the return direction <a href="/from/seattle/to/austin">Seattle to Austin</a>.
Latest price we saw: Austin to Seattle
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Austin (AUS) to Seattle (SEA) | $310 | 8.8¢ | Feb 13 – Feb 22 | Alaska and Frontier | Oct 16 | Check price |
Price history: Austin to Seattle
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $195 | $305 | 76 |
| Sep 2026 | $145 | $295 | 120 |
| Aug 2026 | $158 | $261 | 141 |
| Jul 2026 | $237 | $237 | 1 |
Frequently asked questions
How many flight deals from Austin to Seattle are on Sparkflights right now?
There are 0 verified deals from Austin to Seattle on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Austin to Seattle?
The lowest fare we've recorded from Austin to Seattle is $145, based on 338 price observations over 4 months.
How much does a flight from Austin to Seattle cost?
The typical round-trip fare we observed from Austin to Seattle is $274, against a recorded low of $145. These are observations, not quotes.
When is the cheapest month to fly Austin to Seattle?
September was the cheapest month we observed from Austin to Seattle and July the dearest, over 4 months of data.
What is the current price from Austin to Seattle?
The most recent fare our sweep saw from Austin to Seattle is $310, on Oct 16. It is an unverified observation rather than a verified deal, so check it before booking.