Cheap flights from Seattle to Austin

One-way fares from $156 · SEA → AUS · prices found by travellers in the last 48 hours

Cheapest fare
$156

Southwest Airlines · Mon, Nov 16

Cheapest month
November

from $156

Direct flights
Yes

Southwest Airlines

Flight time
4h 00m

2,850 km

Get a price alert

We'll email you when Seattle → Austin drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $156. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Seattle to Austin

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

  1. November 2026 Cheapest $156

Cheapest dates in November 2026

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

Southwest Airlines
Depart09:10 Mon, Nov 16SEA → AUS 4h 00m · Direct
$156one way, per person
View deal
Frontier Airlines
Depart21:13 Thu, Nov 12SEA → AUS 5h 38m · 1 stop
$220one way, per person
View deal
Frontier Airlines
Depart16:27 Fri, Nov 13SEA → AUS 5h 00m · 1 stop
$220one way, per person
View deal
Frontier Airlines
Depart21:13 Sun, Nov 8SEA → AUS 5h 38m · 1 stop
$251one way, per person
View deal
American Airlines
Depart05:10 Sat, Nov 14SEA → AUS 5h 03m · 1 stop
$296one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Austin

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

About flights from Seattle to Austin

Seattle (SEA) and Austin (AUS) are about 2,850 km apart. Direct flights take around 4h 00m, and recent direct fares were with Southwest Airlines. Over the next few months, one-way fares start from $156, 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 Seattle to Austin?

The cheapest one-way fare we've seen recently is $156 with Southwest Airlines, departing Monday, November 16, 2026.

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

November 2026 currently has the lowest fares, from $156 one way.

Are there direct flights from Seattle to Austin?

Yes. Recent direct fares were with Southwest Airlines.

How long is the flight from Seattle to Austin?

A direct flight takes about 4h 00m. Seattle and Austin are around 2,850 km apart.

Which airlines fly from Seattle to Austin?

Recent fares on this route were with Southwest Airlines, Frontier Airlines and American Airlines.

More cheap flights from Seattle

Compare flights to Austin from other cities →