Cheap flights from Austin to Seattle

One-way fares from $219 · AUS → SEA · prices found by travellers in the last 48 hours

Cheapest fare
$219

Frontier Airlines · Fri, Nov 13

Cheapest month
November

from $219

Direct flights
Not recently

Usually 1+ stop

Quickest trip
5h 35m

2,850 km

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Cheapest month to fly from Austin to Seattle

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $219

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart20:21 Fri, Nov 13AUS → SEA 5h 35m · 1 stop
$219one way, per person
View deal
Frontier Airlines
Depart20:21 Thu, Nov 5AUS → SEA 5h 35m · 1 stop
$226one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Seattle

Where to stay, what to do and getting around, from our travel partners.

About flights from Austin to Seattle

Austin (AUS) and Seattle (SEA) are about 2,850 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 5h 35m. Over the next few months, one-way fares start from $219, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Austin to Seattle?

The cheapest one-way fare we've seen recently is $219 with Frontier Airlines, departing Friday, November 13, 2026.

What is the cheapest month to fly from Austin to Seattle?

November 2026 currently has the lowest fares, from $219 one way.

Are there direct flights from Austin to Seattle?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Austin to Seattle?

The quickest journey we've seen takes about 5h 35m. Austin and Seattle are around 2,850 km apart.

Which airlines fly from Austin to Seattle?

Recent fares on this route were with Frontier Airlines.

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