Cheap Flights from Austin, TX to Seattle, WA from $100

Return flight: Seattle – Austin

On Cheapflightsplus.com you will find 14 direct and 340 connecting flights from Austin to Seattle. You can compare airfare deals from 6 airlines and multiple travel sites from $100, book and save on cheap plane tickets and last minute offers. Also check out AUS-SEA flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Austin to Seattle depends on and how to choose the most interesting flight option for you.

Distance between Austin and Seattle is 2847 miles. Time difference between the cities is 2h. Airplanes depart 05:00 to 20:57 from 3 Austin airports and arrive 05:00 to 20:57 to 3 Seattle airports. Average flight time is 4h 27m.

  • The fastest flight 4h 23m
  • Average flight time 4h 27m
  • The earliest flight 05:00
  • The latest flight 20:57
  • Distance 1770 ml

The cheapest months to travel to Seattle are june (from 100 $), september (from 110 $), august (from 111 $).

The most expensive months are february (from 264 $), december (from 178 $), november (from 178 $).

What is the lowest airfare Austin to Seattle?

The cheapest plane ticket found by our users is $100. This airfare is for economy class on one-way F91815 flight by Frontier Airlines for August 28, 2025 which leaves Austin-Bergstrom Intl in Austin at 06:00 am and arrives at Seattle Seattle-Tacoma Intl at 00:31.

Economy class
$100
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Business class
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First class
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Flight Schedule Austin (Texas) to Seattle (Washington)

06:00 — 00:31+1day
20h 31m flight time
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from$100
06:00 — 07:30 Austin — Denver
F91815 Frontier Airlines
15h 8m stop
22:29 — 00:37 Denver — Seattle
F93405 Frontier Airlines
07:15 — 09:40
4h 25m flight time
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from$143
Austin — Seattle
HA4771 Hawaiian Airlines
07:15 — 09:40
4h 25m flight time
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from$166
Austin — Seattle
AS595 Alaska Airlines
08:00 — 10:38
4h 38m flight time
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from$212
Austin — Seattle
AS722 Alaska Airlines
09:45 — 12:12
4h 27m flight time
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from$143
Austin — Seattle
HA4764 Hawaiian Airlines
09:45 — 12:12
4h 27m flight time
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from$166
Austin — Seattle
AS1228 Alaska Airlines
10:50 — 13:27
4h 37m flight time
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from$209
Austin — Seattle
HA4787 Hawaiian Airlines
11:48 — 15:03+1day
29h 15m flight time
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from$106
11:48 — 12:38 Austin — Las Vegas
G465 Allegiant Air
23h 38m stop
12:16 — 15:03 Las Vegas — Seattle
NK2327 Spirit Airlines
12:37 — 17:38
7h 1m flight time
Find flight
from$111
12:37 — 13:12 Austin — Phoenix
F93659 Frontier Airlines
1h 9m stop
14:21 — 17:38 Phoenix — Seattle
F91723 Frontier Airlines
13:36 — 15:59
4h 23m flight time
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from$143
Austin — Seattle
HA4734 Hawaiian Airlines
13:36 — 15:59
4h 23m flight time
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from$162
Austin — Seattle
HA4770 Hawaiian Airlines
13:36 — 15:59
4h 23m flight time
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from$166
Austin — Seattle
AS503 Alaska Airlines
18:59 — 21:34
4h 35m flight time
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from$212
Austin — Seattle
AS313 Alaska Airlines
19:38 — 22:05
4h 27m flight time
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from$110
Austin — Seattle
HA4769 Hawaiian Airlines
19:38 — 22:05
4h 27m flight time
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from$114
Austin — Seattle
AS339 Alaska Airlines
Full flight schedule will help you in detecting at what time planes fly from Austin to Seattle. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on November 22, 2025.

Popular Airlines on the Route

The flight Austin — Seattle is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 93 departures per week at the price of from $ 114 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 5981.

Direct flights

There are 14 nonstop flights on the route. The fastest direct flight is HA4734 by Hawaiian Airlines takes 4h 23m and the cheapest is F91815 by Frontier Airlines for $110.

  • AS - Alaska Airlines
    from $114
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  • HA - Hawaiian Airlines
    from $110
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Connecting Flights

There are 340 flights with layovers on the route. The fastest connecting flight is HA4872 by Hawaiian Airlines takes 5h 46m and the cheapest is F91815 by Frontier Airlines for $100.

  • AS - Alaska Airlines
    from $124
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  • F9 - Frontier Airlines
    from $100
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  • HA - Hawaiian Airlines
    from $115
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  • UA - United Airlines
    from $158
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  • G4 - Allegiant Air
    from $106
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  • NK - Spirit Airlines
    from $113
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See more connecting flights

Airports

You can fly from Austin to Seattle from 3 airports (Austin-Bergstrom Intl, Austin, Camp Maybry AHP).

Austin airports

  • Austin-Bergstrom Intl-AUS
    from $100
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  • Austin-ASQ
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  • Camp Maybry AHP-MMR
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Seattle airports

  • Boeing Field International Airport-BFI
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  • Seattle-Tacoma Intl-SEA
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  • Kenmore Air Harbor SPB-LKE
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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