$149 Find Cheap Flights from Austin to Seattle - Compare and Save

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

• Earliest: departs at 6:00 am and lands at 10:40 am
• Latest: departs at 7:50 pm and lands at 12:30 am.

The flight takes about 4h 40m.

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

• Economy Class
• Business Class
• First Class

A nonstop flight from Austin to Seattle takes 4h 40m, 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.

Round-trip flights from Austin to Seattle range from $276 to $470, with an average of $365 over the past 12 months. Anything below $276 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 80% above the $365 route average. Book 6 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $319 round-trip via Denver Intl (DEN), compared to $368 for nonstop.

Alaska Airlines is slightly above the route average for timely arrivals, while Delta has a lower on-time arrival rate. On-time arrival rates on Austin to Seattle flights are:

• Alaska Airlines: 91% on time
• Delta: 89% on time
• Southwest: 77% on time

Overall, flights on this route are punctual 89% of the time on average.

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.

Morning is the busiest departure period on Austin to Seattle flights, with 43% of flights leaving in that window. Afternoon departures account for 29%, evening flights for 28%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $261 to $1,184. That means the highest observed fare was about 5x higher than the lowest one.

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

• Alaska Airlines
• Delta
• JetBlue

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

One-way fares from Austin to Seattle are currently lower than usual. Average one-way flight prices are about $159, which is 36% below the typical average for this route.

Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:

• Fox
• Europcar
• Thrifty
• Budget
• Dollar

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

Night flights have the fewest delays on this route, while evening departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Austin to Seattle route, 11% of flights were delayed in the past 3 months, with delays averaging 2h 24m.

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

• Denver Intl (DEN) - 73% of one-stop connections
• Portland (PDX) - 9% of one-stop connections
• Dallas/Fort Worth (DFW) - 6% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) - 4% of one-stop connections

Yes. Flexible dates can save you up to 23% on flights from Austin to Seattle. Wednesday is the cheapest departure day at $331 round-trip on average, while Sunday is the most expensive at $429, a difference of $98.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

• Alaska Airlines
• Delta
• Southwest

Flying via Dallas Love Field (DAL) gives the shortest average 1-stop total travel time at 6h, compared with 6h 14m via Salt Lake City (SLC) and 6h 27m via Portland (PDX).

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

Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

Among airlines operating Austin to Seattle 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.

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 always check the fare details before booking.

All SEA rental car agencies operate out of an off-site rental car facility. A free shuttle runs to the facility from either end of the arrivals curb. The same free shuttle also runs in the reverse direction for return flights.

Travelers can get from SEA to downtown Seattle by bus, light link rail, shuttle, taxi or rideshare.

Yes, smoking areas are outside the terminals.

Yes. SEA offers several facilities for nursing moms. The Nursing Suite has a shared common space with comfortable seating and semi-private spaces. Nursing Rooms can accommodate families while mothers care for babies. Several freestanding Mamava lactation pods are also located throughout SEA. Each unit has a lockable door, seating, a flat surface and an electrical outlet and each one is accessible.

Yes, SEA has accessible services and transportation options. Wheelchair services are available free of charge at the airport and assistance to the ticketing counter can be requested upon arrival. Accessible taxis are also available at the airport to take travelers to their destination. They are metered and charge by distance and time.

AUS offers several accessibility services for travelers with mobility, hearing and vision challenges, as well as nonvisible disabilities such as PTSD or autism. One of these is TSA Cares, which offers specially trained security officers for travelers who need extra time and support during security screening.