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Low Price Flights from Seattle to Austin

Find Cheapest Airlines Flying from Seattle to Austin

Choose from 1 carriers that fly from Seattle to Austin, including Alaska Airlines, Enjoy the cheapest tickets on this route with Delta Air Lines.
Alaska Airlines logo Alaska Airlines
Airlines are determined based on actual purchased flight tickets from Seattle to Austin according to previous 12 months data from Trip.com.

Explore the cheapest flights from Seattle to Austin in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at AU$ 138, and round-trip direct tickets start at AU$ 214.

      • Cheapest nonstop
        SEA 11:35
        4h 29m
        Direct
        AUS 18:04
        Seattle - Austin | Sat, May 9 | Alaska Airlines
        AUS 19:04
        4h 37m
        Direct
        SEA 21:41
        Austin - Seattle | Fri, May 15 | Alaska Airlines
        AU$ 214 AU$ 331
        35% off
        35% off
        AU$ 331 AU$ 214
      • SEA 07:15
        4h 10m
        Direct
        AUS 13:25
        Seattle - Austin | Sat, May 9 | Delta Air Lines
        AUS 18:06
        4h 44m
        Direct
        SEA 20:50
        Austin - Seattle | Fri, May 15 | Delta Air Lines
        AU$ 219 AU$ 331
        34% off
        34% off
        AU$ 331 AU$ 219
      • SEA 07:15
        4h 15m
        Direct
        AUS 13:30
        Seattle - Austin | Tue, May 19 | Delta Air Lines
        AUS 06:00
        4h 29m
        Direct
        SEA 08:29
        Austin - Seattle | Fri, May 22 | Delta Air Lines
        AU$ 228 AU$ 331
        31% off
        31% off
        AU$ 331 AU$ 228
      • SEA 18:09
        4h 15m
        Direct
        AUS 00:24
        Seattle - Austin | Thu, Apr 30 | Alaska Airlines
        AUS 15:39
        4h 43m
        Direct
        SEA 18:22
        Austin - Seattle | Sat, May 2 | Alaska Airlines
        AU$ 278
        16% off
        AU$ 331 AU$ 278
      • SEA 17:45
        4h 3m
        Direct
        AUS 23:48
        Seattle - Austin | Wed, Apr 29 | Delta Air Lines
        AUS 06:00
        4h 39m
        Direct
        SEA 08:39
        Austin - Seattle | Sat, May 2 | Alaska Airlines
        AU$ 285
        14% off
        AU$ 331 AU$ 285
      • SEA 08:13
        4h 26m
        Direct
        AUS 14:39
        Seattle - Austin | Wed, Apr 29 | Alaska Airlines
        AUS 06:00
        4h 39m
        Direct
        SEA 08:39
        Austin - Seattle | Sat, May 2 | Alaska Airlines
        AU$ 307
        7% off
        AU$ 331 AU$ 307
      • SEA 14:10
        6h 40m
        1 stop
        AUS 22:50
        Seattle - Austin | Sat, May 9 | American Airlines
        AUS 06:00
        4h 29m
        Direct
        SEA 08:29
        Austin - Seattle | Fri, May 15 | Delta Air Lines
        AU$ 274
        17% off
        AU$ 331 AU$ 274
      • SEA 23:59
        8h 18m
        1 stop
        AUS 10:17
        Seattle - Austin | Thu, Apr 30 | Delta Air Lines
        AUS 06:00
        4h 39m
        Direct
        SEA 08:39
        Austin - Seattle | Sat, May 2 | Alaska Airlines
        AU$ 284
        14% off
        AU$ 331 AU$ 284
      • SEA 08:34
        4h 13m
        Direct
        AUS 14:47
        Seattle - Austin | Tue, May 19 | Alaska Airlines
        AUS 14:05
        6h 43m
        1 stop
        SEA 18:48
        Austin - Seattle | Fri, May 22 | Delta Air Lines
        AU$ 298
        10% off
        AU$ 331 AU$ 298
      • SEA 00:59
        7h 37m
        1 stop
        AUS 10:36
        Seattle - Austin | Thu, May 7 | American Airlines
        AUS 20:30
        6h 14m
        1 stop
        SEA 00:44
        Austin - Seattle | Sun, May 10 | American Airlines
        AU$ 307
        7% off
        AU$ 331 AU$ 307
      • SEA 13:00
        17h 25m
        1 stop
        AUS Invalid Date
        Seattle - Austin | Wed, Apr 22 | Normal Airline
        AUS 15:00
        6h
        Direct
        SEA 16:00
        Austin - Seattle | Fri, Apr 24 | Normal Airline
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      • Cheapest nonstop
        SEA 17:48
        4h 11m
        Direct
        AUS 23:59
        Seattle - Austin | Tue, May 12 | Delta Air Lines
        AU$ 138 AU$ 160
        14% off
        14% off
        AU$ 160 AU$ 138
      • SEA 18:57
        27h 24m
        1 stop
        AUS 00:21
        Seattle - Austin | Sat, May 16 | Frontier Airlines
        AU$ 80 AU$ 160
        50% off
        50% off
        AU$ 160 AU$ 80
      • SEA 19:59
        12h 6m
        1 stop
        AUS 10:05
        Seattle - Austin | Sat, May 16 | Delta Air Lines
        AU$ 110 AU$ 160
        31% off
        31% off
        AU$ 160 AU$ 110
      • SEA 19:50
        22h 28m
        1 stop
        AUS 20:18
        Seattle - Austin | Fri, May 15 | Frontier Airlines
        AU$ 113
        28% off
        AU$ 160 AU$ 113
      • SEA 19:12
        12h 53m
        1 stop
        AUS 10:05
        Seattle - Austin | Tue, Apr 28 | Frontier Airlines
        AU$ 116
        28% off
        AU$ 160 AU$ 116
      • SEA 19:12
        12h 53m
        1 stop
        AUS 10:05
        Seattle - Austin | Sat, Apr 25 | Frontier Airlines
        AU$ 122
        24% off
        AU$ 160 AU$ 122
      • SEA 11:15
        9h 10m
        1 stop
        AUS 22:25
        Seattle - Austin | Tue, May 12 | Hahn Air
        AU$ 141
        12% off
        AU$ 160 AU$ 141
      • SEA 00:59
        8h 49m
        1 stop
        AUS 11:48
        Seattle - Austin | Tue, May 12 | American Airlines
        AU$ 143
        11% off
        AU$ 160 AU$ 143
      • SEA 00:59
        7h 37m
        1 stop
        AUS 10:36
        Seattle - Austin | Sat, May 2 | American Airlines
        AU$ 143
        11% off
        AU$ 160 AU$ 143
      • SEA 18:57
        27h 24m
        1 stop
        AUS 00:21
        Seattle - Austin | Tue, May 12 | Frontier Airlines
        AU$ 148
        8% off
        AU$ 160 AU$ 148
      • SEA 13:00
        17h 25m
        1 stop
        AUS Invalid Date
        Seattle - Austin | Wed, Apr 22 | Normal Airline
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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.

Seattle to Austin Flight Details

The distance between Seattle and Austin is approximately 2,830.87km. It takes around 4 hours 17 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 priceAU$ 80
Cheapest return ticket priceAU$ 214
Off-season for travelNovember
Peak season for travelJuly
Flight distance2,830.87km
Average flight time4 hours 17 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

What is the cheapest month for one-way flights from Seattle to Austin?

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

According to Trip.com's data, the cheapest month for flights from Seattle to Austin is April, with an average price of AU$ 175. Conversely, the most expensive month is typically March, with an average price of up to AU$ 558.

AU$ 558
AU$ 367
AU$ 175
0
  • AU$ 175
    Apr
  • AU$ 300
    May
  • AU$ 506
    Jun
  • AU$ 340
    Jul
  • AU$ 452
    Aug
  • AU$ 224
    Sep
  • AU$ 417
    Oct
  • AU$ 539
    Nov
  • AU$ 520
    Dec
  • AU$ 276
    Jan
  • AU$ 330
    Feb
  • AU$ 558
    Mar

What's the cheapest day to fly from Seattle to Austin?

Data is based on the average flight price for each day of the week from Seattle to Austin on Trip.com over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to fly from Seattle to Austin is Tuesday, with average prices lower than on other days. Avoid Sunday, as prices are usually highest then.

AU$ 532
AU$ 424
AU$ 316
AU$ 208
  • AU$ 358
    Mon
  • AU$ 316
    Tue
  • AU$ 328
    Wed
  • AU$ 432
    Thu
  • AU$ 351
    Fri
  • AU$ 439
    Sat
  • AU$ 532
    Sun

When is the cheapest day to fly from Seattle to Austin during ANZAC Day Holiday?

Data is based on the lowest one-way fares from Seattle to Austin during ANZAC Day Holiday, sourced from the Trip.com database over the last 3 days.

ANZAC Day Holiday runs from Apr 25 to Apr 27. The cheapest flights from Seattle to Austin are available on Apr 27, with fares starting at AU$ 184.

AU$ 528
AU$ 356
AU$ 184
AU$ 12
    Cheapest
  • AU$ 190
    23
    Apr
  • AU$ 186
    24
  • AU$ 528
    25
  • AU$ 187
    26
  • AU$ 184
    27
  • AU$ 188
    28

Flight FAQs

  • Which airlines offer the cheapest flights from Seattle (SEA) to Austin (AUS)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as AU$ 80 on Cheapest nonstop routes (e.g. SEA to AUS on Sat, May 16), while Alaska Airlines offers Cheapest nonstop round-trips from AU$ 214 departing on Sat, May 9 and returning on Fri, May 15.
  • At the moment, you can catch a direct flight from Seattle to Austin with the following airlines, including: 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 about 4 hours 17 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 54 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/T/W/T/F/S -- AS502 (08:33)
  • 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 Sat, May 16, with one-way flights priced at just AU$ 80.
    · 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 April flight calendar, it's currently cheapest to fly from Seattle to Austin on April 23, 2026 with Frontier Airlines, with prices starting at AU$ 106.
  • 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 cancelled 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.

Trip.com Airline Insights on Flights from Seattle toAustin

Which airlines offer the cheapest nonstop flights from Seattle to Austin?

Data is based on the average price of all nonstop flights from Seattle to Austin on Trip.com in the past 12 months.

Based on Trip.com data from the past 12 months, Frontier Airlines offers the cheapest nonstop flights from Seattle to Austin, with an average price of AU$ 243.

AU$ 127
AU$ 243
AU$ 359
AU$ 475
AU$ 591
Frontier Airlines
AU$ 243
Frontier Airlines
Hawaiian Airlines
AU$ 392
Hawaiian Airlines
Delta Air Lines
AU$ 445
Delta Air Lines
United Airlines
AU$ 448
United Airlines
Alaska Airlines
AU$ 453
Alaska Airlines
American Airlines
AU$ 591
American Airlines

Which airlines operate the most flights from Seattle to Austin?

Data is based on the number of flights from Seattle to Austin operated by each airline on Trip.com in the past month.

Based on Trip.com data from the past month, Delta Air Lines operates the most flights from Seattle to Austin, with 21 flight per week.

12
15
18
21
Delta Air Lines
21
Delta Air Lines
Alaska Airlines
20
Alaska Airlines
Hawaiian Airlines
20
Hawaiian Airlines
American Airlines
20
American Airlines
Air Tahiti Nui
18
Air Tahiti Nui
Korean Air
15
Korean Air

How many flights are there each day from Seattle to Austin?

The data is based on the flight numbers for each day of the week from Seattle to Austin within the Trip.com database over the past month.

Based on Trip.com data from the past month, the most flights from Seattle to Austin depart on Monday, and the fewest flights depart on Friday.

101
93
85
77
Highest
101
Mon
87
Tue
86
Wed
98
Thu
85
Fri
87
Sat
90
Sun

More Cheap Flights & Deals on Trip.com

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, regulatory fees, etc) with all fees confirmed before payment. Fees for baggage, meals, Wi-Fi, 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.