$102 Cheap Frontier Airlines flights Washington (IAD) to Austin (AUS)

View $102 flight on Tue, Apr 7, 2026Opens in a new window

$102 Cheap Frontier Airlines flights Washington (IAD) to Austin (AUS)

Prices were available within the past 7 days and start at $102 for one-way flights and $298 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Dec 22 - Sun, Jan 11
IAD
Washington
AUS
Austin
$298 Roundtrip, found 2 days ago
$298
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Dec 22 from Washington to Austin, returning Sun, Jan 11, priced at $298 found 2 days ago

Find the cheapest month to fly from Washington (IAD) to Austin (AUS)

October is typically the cheapest month to fly

From $154 - $469 per traveler.
Flights from Washington (IAD) to Austin (AUS)
Origin airport
Washington Dulles Intl.
Destination airport
Austin-Bergstrom Intl.
Distance
2072 km
Average flight time
3 hours 17 mins