$134 Find Cheap Flights from Seattle to Austin - Compare and Save

Baby care facilities are provided in each terminal at SEA. The mother’s room is a quiet spot with a rocking chair, adjustable lighting, and power outlets where passengers can feed and change their babies. They are located in each terminal. Passengers with older kids will appreciate the play area at SEA. These are equipped with toys, fun games, and climbing structures, and you’ll find the SEA play area between the Central Terminal and A Gates.

The bus is the first option, and two buses, 20 and 100, provide frequent services between AUS and downtown Austin. SuperShuttle also operates from AUS, offering door-to-door services from the airport. You’ll also find rideshares operating from the airport, and taxis are available curbside. Avis, Budget, Dollar, Enterprise, Hertz, and Thrifty have their counters at AUS if you wish to self-drive.

Accessible parking is provided in parking garages and accessible transportation is provided for movement around the airport. Wheelchair services are available from aircraft to curb, and escorts are also available for low vision or physically challenged passengers needing assistance through the airport. Pedestrian walkways have tactile guide paths, and elevator buttons are braille-coded for visually impaired passengers. AUS has gone further by providing video phones, signs with raised lettering, accessible restrooms and water fountains, and dedicated seating for special needs passengers.

Yes, Fido is welcome to travel through SEA. However, TSA requires pets to remain within their carriers when traveling through the airport. Pets can only leave the kennel when using relief areas or walking through the security point. SEA has eight pet relief areas. The outdoor relief areas are outside Doors 2, 26, and 33 and near the parking garage. Indoor pet relief areas are in the South and North satellite, Concourse D, and Central Terminal.

Among airlines operating Seattle to Austin flights:

• Alaska Airlines: offers extra legroom; offers free seat selection
• Delta: offers extra legroom; offers free seat selection
• Southwest: offers free seat selection
• American Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

3 airlines operate flights between Seattle and Austin. The airlines offering nonstop flights on this route include:

• Alaska Airlines
• Delta
• Southwest

Flights from Seattle to Austin usually depart from Seattle/Tacoma Intl (SEA) and arrive at Austin Bergstrom (AUS).

Here are some options for this route, based on selected ticket types and cabin classes:

• Alaska Airlines: a cabin bag and a checked bag in Economy Class
• Delta: a cabin bag and a checked bag in Economy Class
• Southwest: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Three cabin classes are available on flights from Seattle to Austin:

• Economy Class
• Business Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $290 round-trip via Houston George Bush Intcntl (IAH), compared to $357 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737 family is used most often on this route, operated mainly by American Airlines and Southwest. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

One-stop flights from Seattle to Austin most commonly connect through:

• Denver Intl (DEN) - 73% of one-stop connections
• Dallas/Fort Worth (DFW) - 9% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) - 6% of one-stop connections
• Houston George Bush Intcntl (IAH) - 4% of one-stop connections

Denver Intl (DEN) handles the largest share of one-stop connections on this route.

On the Seattle to Austin route, being flexible with your departure day can save you up to 22%. Sunday is the cheapest day at $325 round-trip on average, while Monday is the most expensive at $415: a $90 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Morning is the busiest departure period on Seattle to Austin flights, with 67% of flights leaving in that window. Evening departures account for 33%, afternoon flights for 0%, and night flights for 0%.

Some of the most popular sights in Austin are Sixth Street, University of Texas at Austin and ACL Live at The Moody Theater. These are among the most viewed places in Austin on KAYAK.

These are the earliest and latest flight times available from Seattle to Austin:

• Earliest: departs at 7:15 am and lands at 11:28 am
• Latest: departs at 5:56 pm and lands at 10:09 pm.

The flight takes about 4h 13m.

Last-minute fares on this route - booked within 2 weeks of departure - run 80% above the route average of $355. Book 5 weeks before departure for the lowest fares.

A nonstop flight from Seattle to Austin takes 4h 13m, covering 1,768 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $275 to $1,185. That means the highest observed fare was about 4x higher than the lowest one.

One-way fares from Seattle to Austin are currently lower than usual. Average one-way flight prices are about $152, which is 41% below the typical average for this route.

Flying via Dallas Love Field (DAL) gives the shortest average 1-stop total travel time at 6h 01m, compared with 6h 22m via Portland (PDX) and 6h 24m via Phoenix Sky Harbor Intl (PHX).

Austin is 2 hours ahead of Seattle (Central Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Austin Bergstrom Airport (AUS) hosts 5 major car rental companies, with daily rates starting from around $13 for economy cars. Top options include:
• Europcar
• Hertz
• Fox
• Easirent
• Thrifty

Round-trip flights from Seattle to Austin range from $263 to $484, with an average of $355 over the past 12 months. Anything below $263 counts as a good deal.

Three airlines offer in-flight Wi-Fi on Seattle to Austin flights:

• • Alaska Airlines
• • Delta
• • JetBlue