Plan to arrive at SEA at least two hours before your flight due to potentially long security lines.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $197 (Alaska Airlines) |
One-way from | $108 (Alaska Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $412 |
Good round-trip deal | $251 or less |
Good one-way deal | $178 or less |
Fly from
Fly to
Route
Depart
Return
Price
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Wed 1/28
8:25 am-4:39 pm
1 stop6h 14m
Austin Bergstrom
Sun 2/1
6:58 pm-9:40 pm
Nonstop4h 42m
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Tue 2/24
7:45 am-4:45 pm
1 stop7h 00m
Austin Bergstrom
Fri 2/27
7:00 pm-9:45 pm
Nonstop4h 45m
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Sat 2/21
11:49 am-6:00 pm
Nonstop4h 11m
Austin Bergstrom
Tue 2/24
4:30 pm-10:39 pm
1 stop8h 09m
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Wed 1/21
9:35 am-4:00 pm
Nonstop4h 25m
Austin Bergstrom
Fri 1/23
4:55 pm-7:38 pm
Nonstop4h 43m
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Sun 1/25
9:35 am-4:00 pm
Nonstop4h 25m
Austin Bergstrom
Mon 1/26
4:55 pm-7:38 pm
Nonstop4h 43m
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Mon 1/26
9:35 am-4:00 pm
Nonstop4h 25m
Austin Bergstrom
Thu 1/29
4:55 pm-7:38 pm
Nonstop4h 43m
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Mon 1/5
6:33 pm-3:48 pm
1 stop19h 15m
Austin Bergstrom
Thu 1/8
8:13 pm-7:47 pm
1 stop25h 34m
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Sun 1/25
8:25 am-4:39 pm
1 stop6h 14m
Austin Bergstrom
Mon 1/26
6:59 pm-9:41 pm
Nonstop4h 42m
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Thu 1/29
5:52 pm-11:59 pm
Nonstop4h 07m
Austin Bergstrom
Sun 2/1
5:39 pm-10:33 pm
1 stop6h 54m
SeattleAustin
SEA - AUS
SEAAUS
Seattle/Tacoma Intl
Mon 1/12
5:52 pm-11:59 pm
Nonstop4h 07m
Austin Bergstrom
Fri 1/16
3:39 pm-11:57 pm
1 stop10h 18m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
The best time to book flights from Seattle to Austin is 81 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, August is the cheapest month in which you can book a flight from Seattle to Austin (average of $123). Flying from Seattle to Austin in June is currently the most expensive (average of $222). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Unlike at noon, when flights are generally more expensive, you can save up to 11% on flights from Seattle to Austin by exploring options for tickets in the afternoon.
Travelers seeking maximum savings on their Seattle to Austin flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Crew
Food
Boarding
Entertainment
Overall
Comfort
Reviews
Anonymous,Sep 2025
SEA - MKE
Crew
Food
Boarding
Entertainment
Overall
Comfort
Reviews
Anonymous,Sep 2025
SEA - MKE
Crew
Food
Boarding
Entertainment
Overall
Comfort
Reviews
Anonymous,Sep 2025
SEA - MKE
Crew
Food
Boarding
Entertainment
Overall
Comfort
Reviews
Anonymous,Sep 2025
SEA - MKE
Crew
Food
Boarding
Entertainment
Overall
Comfort
Reviews
Anonymous,Sep 2025
SEA - MKE
Crew
Food
Boarding
Entertainment
Overall
Comfort
Reviews
Anonymous,Sep 2025
SEA - MKE
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$173 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$118 | Average$310 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$139 | Average$243 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$189 | Average$341 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$197 | Average$368 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$202 | Average$415 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$216 | Average$283 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$266 | Average$562 | FlexibilityNo cancel fee | On-time71% |