Southwest has round-trip flights from Phoenix (PHX) to Austin (AUS) for $131-$144, NONSTOP. Flights August to September. Departures on Monday, Tuesday, Wednesday, Thursday, and Saturday. Origin/Destination reversible.
Category: <span>Austin</span>
Southwest, Delta, United, American Airlines and various other airlines have round-trip flights from Portland (PDX) to Austin (AUS) for $187-$225 with a connection. Flights July to December. Origin/Destination reversible. No Christmas dates available.
Southwest has round-trip flights from Los Angeles (LAX) to Austin (AUS) for $173-$206, NONSTOP. Flights August to December. Departures on Monday, Tuesday, Wednesday, Thursday, and Saturday. Origin/Destination reversible. No Christmas dates available.
Cheapest flights depart Tue/Wed/Saturday.
Alaska Airlines has round-trip flights from Seattle (SEA) to Austin (AUS) for $177-$197, NONSTOP. Flights in August. Weekends available.
So me small OTAs on Skyscanner have this for as low as $177; which is cheaper than the airline.
Frontier has round-trip flights from Atlanta (ATL) to Austin (AUS) for $70-$89, NONSTOP. Flights July to September. Origin/Destination reversible.
Most availability is in August. Mostly weekdays with some Saturday departures.
Frontier has round-trip flights from Denver (DEN) to Austin (AUS) for $60-$70, NONSTOP. Flights July to November. Most weekends available in August. Origin/Destination reversible. No Thanksgiving dates.
Months other than August have less availability. Use the updated link list on our site for a list of every date found.
Southwest has round-trip flights from Atlanta (ATL) to Austin (AUS) for $145-$181, NONSTOP. Flights May to August. No Sunday departures. Origin/Destination reversible. Cheapest departures are on Tuesdays, Wednesdays, and Saturdays.
United, Delta, Southwest, American Airlines and various other airlines have round-trip flights from Los Angeles (LAX) to Austin (AUS) for $197-$220, NONSTOP. Flights May, June, August, and September. Departures on Monday, Tuesday, Wednesday, Thursday, and Saturday. Origin/Destination reversible.
United, Southwest, and American Airlines have round-trip flights from Chicago (ORD/MDW) to Austin, Charlotte NC, or Phoenix (AUS, CLT, PHX) for $155-$191, NONSTOP. Flights May, June, August, and September. Departures on Monday, Tuesday, Wednesday, Thursday, and Saturday. Origin/Destination reversible.
Delta has round-trip flights from Seattle (SEA) to Austin, Santa Ana CA, San Jose CA, San Francisco, San Diego, Sacramento, Phoenix, Nashville, Miami, Las Vegas, Kansas City, Fort Lauderdale, or Cincinnati for $97-$159, NONSTOP. Flights April to May. Very few weekends available.
Price ranges:
$97-$99: Santa Ana, San Jose, San Francisco, San Diego, Sacramento, Las Vegas, Phoenix
$159: Austin, Nashville, Miami, Kansas City, Fort Lauderdale, Cincinnati
Delta has round-trip flights from Seattle (SEA) to Austin (AUS) for $177, NONSTOP. Flights March to May. Weekends available.

Nonstop Flights: Portland to Austin $157 round-trip [February-May] (Tue, Wed, Sat) – Alaska Airlines
Alaska Airlines has round-trip flights from Portland (PDX) to Austin (AUS) for $157, NONSTOP. Flights February to May. Cheapest departures are on Tuesday, Wednesday, and Saturday.
Southwest, Delta, Alaska Airlines, and United have competing round-trip fares from Portland (PDX) to Austin or Chicago (AUS, ORD) for $148-$184, NONSTOP or with connections. Austin flights December to March. Chicago flights December to February. Origin/Destination reversible. No Christmas dates available.
For Alaska Airlines use the “WINTER20” code for 20% off (link). This code works on other destinations, see rules on Alaska Airlines website. Code expires tomorrow 11/19 at midnight.
Cheapest fares require using code.
Delta and Alaska Airlines have round-trip flights from Seattle (SEA) to Austin or Dallas (AUS, DFW) for $148-$170, NONSTOP. Flights December to February. Departures on Monday, Tuesday, Wednesday, Thursday, and Saturday. No Christmas dates available.
For Alaska Airlines use the “WINTER20” code for 20% off (link). This code works on other destinations, see rules on Alaska Airlines website. Code expires tomorrow 11/19 at midnight.
Frontier has round-trip flights from Denver (DEN) to Austin, Atlanta, Chicago, Dallas, Houston, Las Vegas, Miami, Los Angeles, Minneapolis, New York, San Francisco, Seattle, or St. Louis for $54-$63, NONSTOP. Flights October to December. Origin/Destination reversible. No Christmas dates available.
United and Delta have round-trip flights from Los Angeles (LAX) to Austin (AUS) for $149-$157, NONSTOP. Flights September to February. Departures on Tuesday, Wednesday, and Saturday. Origin/Destination reversible.
Southwest has round-trip flights from Atlanta (ATL) to Austin (AUS) for $157, NONSTOP. Flights September to January. Departures on Monday, Tuesday, Wednesday, Thursday, and Saturday. Origin/Destination reversible.
American Airlines has round-trip flights from Phoenix (PHX) to Austin, Detroit, Kansas City, Miami, Santa Ana CA, or Houston (AUS, DTW, MCI, MIA, SNA, IAH) for $139-$189, NONSTOP. Flights September to December. Cheapest departures on Tuesday, Wednesday, and Saturday. Origin/Destination reversible. No Christmas dates available.
American Airlines has round-trip flights from Chicago (ORD) to Austin, Charlotte NC, Las Vegas, Philadelphia, or Raleigh (AUS, CLT, LAS, PHL, RDU) for $139-$169, NONSTOP. Flights September to December. Cheapest departures on Tuesday, Wednesday, and Saturday. Origin/Destination reversible. No Christmas dates available.
Alaska Airlines have round-trip flights from Seattle (SEA) to Austin (AUS) for $156-$177, NONSTOP. Flights September to February. Departures on Tuesday, Wednesday, and Saturday.
Some small OTAs on Skyscanner have this for as low as $156; which is cheaper than the airline.
