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Flights from Seattle to Austin

Find cheap airlines flights from Seattle to Austin

You can choose from 2 airlines that fly from Seattle to Austin, including Alaska Airlines, Delta Air Lines, Delta Air Lines has lowest fares on this route.
Alaska Airlines logo Alaska Airlines
Delta Air Lines logo Delta Air Lines
Airlines are determined based on actual purchased flight tickets from Seattle to Austin according to previous 12 months data from Trip.com.

Book direct flights from Seattle to Austin: One way flights from $137, round trip flights from $301. Find flight deals for the next 3 months below.

      • Cheapest nonstop
        SEA 5:45 PM
        4h 6m
        Nonstop
        AUS 11:51 PM
        Seattle - Austin | Thu, Jul 2 | Delta Air Lines
        AUS 6:00 AM
        4h 21m
        Nonstop
        SEA 8:21 AM
        Austin - Seattle | Thu, Jul 9 | Delta Air Lines
        $301 $327
        8% off
        8% off
        $327 $301
      • SEA 6:42 AM
        7h 56m
        1 stop
        AUS 4:38 PM
        Seattle - Austin | Wed, Aug 5 | Alaska Airlines
        AUS 8:12 PM
        15h 5m
        1 stop
        SEA 9:17 AM
        Austin - Seattle | Fri, Aug 7 | Frontier Airlines
        $282 $327
        14% off
        14% off
        $327 $282
      • SEA 7:41 PM
        21h 49m
        1 stop
        AUS 7:30 PM
        Seattle - Austin | Wed, Jun 17 | Frontier Airlines
        AUS 8:15 PM
        20h 3m
        1 stop
        SEA 2:18 PM
        Austin - Seattle | Sat, Jun 20 | Frontier Airlines
        $284 $327
        13% off
        13% off
        $327 $284
      • SEA 3:55 PM
        5h 54m
        1 stop
        AUS 11:49 PM
        Seattle - Austin | Thu, Jul 30 | Alaska Airlines
        AUS 8:12 PM
        15h 5m
        1 stop
        SEA 9:17 AM
        Austin - Seattle | Mon, Aug 3 | Frontier Airlines
        $287
        12% off
        $327 $287
      • SEA 7:41 PM
        26h 18m
        1 stop
        AUS 11:59 PM
        Seattle - Austin | Thu, Jun 25 | Frontier Airlines
        AUS 7:56 PM
        7h 3m
        1 stop
        SEA 12:59 AM
        Austin - Seattle | Tue, Jun 30 | American Airlines
        $288
        12% off
        $327 $288
      • SEA 7:15 AM
        4h 11m
        Nonstop
        AUS 1:26 PM
        Seattle - Austin | Wed, Aug 5 | Delta Air Lines
        AUS 8:12 PM
        15h 5m
        1 stop
        SEA 9:17 AM
        Austin - Seattle | Fri, Aug 7 | Frontier Airlines
        $295
        10% off
        $327 $295
      • SEA 7:15 AM
        4h 11m
        Nonstop
        AUS 1:26 PM
        Seattle - Austin | Thu, Jul 30 | Delta Air Lines
        AUS 8:12 PM
        15h 5m
        1 stop
        SEA 9:17 AM
        Austin - Seattle | Mon, Aug 3 | Frontier Airlines
        $296
        9% off
        $327 $296
      • SEA 7:26 AM
        7h 51m
        1 stop
        AUS 5:17 PM
        Seattle - Austin | Thu, Jul 30 | American Airlines
        AUS 8:12 PM
        15h 5m
        1 stop
        SEA 9:17 AM
        Austin - Seattle | Mon, Aug 3 | Frontier Airlines
        $297
        9% off
        $327 $297
      • SEA 5:00 AM
        6h 12m
        1 stop
        AUS 1:12 PM
        Seattle - Austin | Thu, Jun 25 | United Airlines
        AUS 6:04 PM
        6h 38m
        1 stop
        SEA 10:42 PM
        Austin - Seattle | Tue, Jun 30 | United Airlines
        $299
        9% off
        $327 $299
      • SEA 3:45 PM
        6h 14m
        1 stop
        AUS 11:59 PM
        Seattle - Austin | Thu, Jun 25 | American Airlines
        AUS 7:56 PM
        7h 3m
        1 stop
        SEA 12:59 AM
        Austin - Seattle | Tue, Jun 30 | American Airlines
        $307
        6% off
        $327 $307
      • SEA 1:00 PM
        17h 25m
        1 stop
        AUS 2:00 PM
        Seattle - Austin | Wed, Jun 10 | Normal Airline
        AUS 3:00 PM
        6h
        Nonstop
        SEA 4:00 PM
        Austin - Seattle | Fri, Jun 12 | Normal Airline
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      • Cheapest nonstop
        SEA 5:50 PM
        4h 6m
        Nonstop
        AUS 11:56 PM
        Seattle - Austin | Thu, Jun 25 | Delta Air Lines
        $137 $148
        7% off
        7% off
        $148 $137
      • SEA 6:10 PM
        4h 14m
        Nonstop
        AUS 12:24 AM
        Seattle - Austin | Tue, Jun 9 | Alaska Airlines
        $139 $148
        6% off
        6% off
        $148 $139
      • SEA 7:06 PM
        27h 1m
        1 stop
        AUS 12:07 AM
        Seattle - Austin | Mon, Aug 3 | Frontier Airlines
        $121 $148
        18% off
        18% off
        $148 $121
      • SEA 7:41 PM
        26h 18m
        1 stop
        AUS 11:59 PM
        Seattle - Austin | Fri, Jun 12 | Frontier Airlines
        $132
        11% off
        $148 $132
      • SEA 7:41 PM
        26h 18m
        1 stop
        AUS 11:59 PM
        Seattle - Austin | Tue, Jun 30 | Frontier Airlines
        $132
        11% off
        $148 $132
      • SEA 7:06 PM
        27h 1m
        1 stop
        AUS 12:07 AM
        Seattle - Austin | Fri, Jul 31 | Frontier Airlines
        $133
        10% off
        $148 $133
      • SEA 11:24 PM
        8h 38m
        1 stop
        AUS 10:02 AM
        Seattle - Austin | Tue, Jun 9 | American Airlines
        $133
        10% off
        $148 $133
      • SEA 7:41 PM
        26h 18m
        1 stop
        AUS 11:59 PM
        Seattle - Austin | Wed, Jul 1 | Frontier Airlines
        $135
        9% off
        $148 $135
      • SEA 1:00 PM
        17h 25m
        1 stop
        AUS 2:00 PM
        Seattle - Austin | Wed, Jun 10 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Seattle to Austin are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Seattle to Austin

The distance between Seattle and Austin is approximately 2,830.87 km. It takes around 4 hours 27 minutes on average to fly from Seattle to Austin. Based on Trip.com's data travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight price$121
Cheapest round-trip ticket price$282
Off-season for travelNovember
Peak season for travelJuly
Flight distance2,830.87 km
Average flight time4 hours 27 minutes
Popular airlineAlaska Airlines
Flight statistics for the Seattle–Austin route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from Seattle to Austin

Which month has the cheapest one-way flights from Seattle to Austin?

The average price of one-way flights from Seattle to Austin purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Seattle to Austin is September, with an average price of $161; while the month with the highest flight price is usually March, with an average price of up to $401.

$401
$281
$161
$41
    Cheapest
  • $377
    Jun
  • $244
    Jul
  • $325
    Aug
  • $161
    Sep
  • $300
    Oct
  • $388
    Nov
  • $374
    Dec
  • $199
    Jan
  • $238
    Feb
  • $401
    Mar
  • $385
    Apr
  • $289
    May

When is the cheapest day to fly from Seattle to Austin during Juneteenth National Independence Day?

Data is based on the lowest one-way price from Seattle to Austin during Juneteenth National Independence Day on Trip.com in the past 3 days.

Juneteenth National Independence Day is scheduled for Jun 19. The cheapest flights from Seattle to Austin are available on Jun 16, with fares starting at $149.

$244
$197
$149
$102
  • $186
    15
    Jun
  • $149
    16
  • $198
    17
  • $204
    18
  • $178
    19
  • $188
    20
  • $244
    21

Frequently Asked Questions

  • What are the cheapest flights from Seattle to Austin (SEA-AUS)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as $121 on Cheapest nonstop routes (e.g. SEA to AUS on Mon, Aug 3), while Alaska Airlines offers Cheapest nonstop round-trips from $282 departing on Wed, Aug 5 and returning on Fri, Aug 7.
  • At the moment, you can catch a nonstop flight from Seattle to Austin with the following airlines, including: Delta Air Lines Alaska Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 4 hours 27 minutes to fly from Seattle (SEA) to Austin (AUS).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Austin is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 14 flight per week flying from Seattle to Austin. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/-/-/-/-/S -- AS502 (08:58) Delta Air Lines: S/M/T/W/T/F/S -- DL739 (08:50)
  • To find best deals on flights from Seattle to Austin, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Aug 3, with one-way flights priced at just $121.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Austin travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to Austin is November, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Seattle to Austin on June 24, 2026 with Delta Air Lines, with prices starting at $209.
  • You can land at any one of the following hubs in Austin, with Seattle-Tacoma International Airport to Austin-Bergstrom International Airport (SEA-AUS) is by far the most common option on this route: Austin-Bergstrom International Airport (AUS).
  • The time difference between Austin and Seattle is 2h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.