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Seattle → Austin

Jan 21, 2027 · return Feb 4, 2027

SEA → AUS1 adulteconomyRound trip

11 flight options · 5 airlines

Nonstop flights

Thu, Jan 21 – Thu, Feb 4

Southwest Airlines
9:10 amSEA
4h
Nonstop
3:10 pmAUS
Southwest Airlines
3:55 pmAUS
4h 40m
Nonstop
6:35 pmSEA

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

Alaska Airlines
11:47 amSEA
4h 13m
Nonstop
6:00 pmAUS
Alaska Airlines
3:43 pmAUS
4h 47m
Nonstop
6:30 pmSEA

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

Delta Air Lines
8:43 amSEA
4h 12m
Nonstop
2:55 pmAUS
Delta Air Lines
6:06 pmAUS
4h 43m
Nonstop
8:49 pmSEA

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

Alaska Airlines
5:11 pmSEA
4h 3m
Nonstop
11:14 pmAUS
Alaska Airlines
3:43 pmAUS
4h 47m
Nonstop
6:30 pmSEA

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

Delta Air Lines
5:45 pmSEA
4h 9m
Nonstop
11:54 pmAUS
Delta Air Lines
6:06 pmAUS
4h 43m
Nonstop
8:49 pmSEA

Round-trip total · 1 adult · Taxes included

One-stop flights

Thu, Jan 21 – Thu, Feb 4

American Airlines
3:00 pmSEA
6h 59m
PHX · 1h 50m
11:59 pmAUS
American Airlines
6:02 pmAUS
7h 13m
PHX · 1h 18m
11:15 pmSEA

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

United Airlines
11:59 pmSEA
6h 38m
IAH · 1h 19m
8:37 am+1AUS
United Airlines
7:00 amAUS
7h 18m
SFO · 1h
12:18 pmSEA

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

Alaska Airlines
12:33 amSEA
6h 13m
DFW · 1h 5m
8:46 amAUS
Alaska Airlines
3:43 pmAUS
4h 47m
Nonstop
6:30 pmSEA

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

Delta Air Lines
12:31 pmSEA
6h 47m
LAX · 1h 7m
9:18 pmAUS
Delta Air Lines
6:06 pmAUS
4h 43m
Nonstop
8:49 pmSEA

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

Delta Air Lines
1:25 pmSEA
6h 17m
SLC · 1h 29m
9:42 pmAUS
Delta Air Lines
6:06 pmAUS
4h 43m
Nonstop
8:49 pmSEA

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

Delta Air Lines
11:45 amSEA
6h 59m
BZN · 1h 55m
8:44 pmAUS
Delta Air Lines
6:06 pmAUS
4h 43m
Nonstop
8:49 pmSEA

Round-trip total · 1 adult · Taxes included

Make this trip yours

SEA ⇄ AUS

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2027-01-21 → 2027-02-04Southwest AirlinesWN4519 / WN425$323.002026-10-29T01:14:23Z
2027-01-21 → 2027-02-04Alaska AirlinesAS374 / AS352$342.002026-10-29T01:14:23Z
2027-01-21 → 2027-02-04Delta Air LinesDL739 / DL831$351.502026-10-29T01:14:23Z
2027-01-21 → 2027-02-04American AirlinesAA2073 + AA1805 / AA1421 + AS612$323.002026-10-29T01:14:23Z
2027-01-21 → 2027-02-04United AirlinesUA2211 + UA2083 / UA2177 + UA2192$332.502026-10-29T01:14:23Z
2027-01-21 → 2027-02-04Alaska AirlinesAS375 / AS352$342.002026-10-29T01:14:23Z
2027-01-21 → 2027-02-04Delta Air LinesDL848 / DL831$351.502026-10-29T01:14:23Z
2027-01-21 → 2027-02-04Alaska AirlinesAS424 + AA6243 / AS352$327.752026-10-29T01:14:23Z
2027-01-21 → 2027-02-04Delta Air LinesDL2914 + DL622 / DL831$342.002026-10-29T01:14:23Z
2027-01-21 → 2027-02-04Delta Air LinesDL1120 + DL2728 / DL831$342.002026-10-29T01:14:23Z
2027-01-21 → 2027-02-04Delta Air LinesDL4104 + DL3714 / DL831$342.002026-10-29T01:14:23Z

2027-01-21 → 2027-02-04 · $323.00

  • Southwest Airlines WN4519: SEA 2027-01-21 09:10:00 → AUS 2027-01-21 15:10:00; nonstop; 240 minutes. Local airport times.
  • Southwest Airlines WN425: AUS 2027-02-04 15:55:00 → SEA 2027-02-04 18:35:00; nonstop; 280 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $342.00

  • Alaska Airlines AS374: SEA 2027-01-21 11:47:00 → AUS 2027-01-21 18:00:00; nonstop; 253 minutes. Local airport times.
  • Alaska Airlines AS352: AUS 2027-02-04 15:43:00 → SEA 2027-02-04 18:30:00; nonstop; 287 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $351.50

  • Delta Air Lines DL739: SEA 2027-01-21 08:43:00 → AUS 2027-01-21 14:55:00; nonstop; 252 minutes. Local airport times.
  • Delta Air Lines DL831: AUS 2027-02-04 18:06:00 → SEA 2027-02-04 20:49:00; nonstop; 283 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $323.00

  • American Airlines AA2073 / AA1805: SEA 2027-01-21 15:00:00 → AUS 2027-01-21 23:59:00; 1 stop(s) via PHX; 419 minutes. Local airport times.
    • AA2073: SEA 2027-01-21 15:00:00 → PHX 2027-01-21 18:52:00; layover at PHX: 110 minutes.
    • AA1805: PHX 2027-01-21 20:42:00 → AUS 2027-01-21 23:59:00.
  • American Airlines AA1421 / AS612: AUS 2027-02-04 18:02:00 → SEA 2027-02-04 23:15:00; 1 stop(s) via PHX; 433 minutes. Local airport times.
    • AA1421: AUS 2027-02-04 18:02:00 → PHX 2027-02-04 19:40:00; layover at PHX: 78 minutes.
    • AS612: PHX 2027-02-04 20:58:00 → SEA 2027-02-04 23:15:00.

2027-01-21 → 2027-02-04 · $332.50

  • United Airlines UA2211 / UA2083: SEA 2027-01-21 23:59:00 → AUS 2027-01-22 08:37:00; 1 stop(s) via IAH; 398 minutes. Local airport times.
    • UA2211: SEA 2027-01-21 23:59:00 → IAH 2027-01-22 06:13:00; layover at IAH: 79 minutes.
    • UA2083: IAH 2027-01-22 07:32:00 → AUS 2027-01-22 08:37:00.
  • United Airlines UA2177 / UA2192: AUS 2027-02-04 07:00:00 → SEA 2027-02-04 12:18:00; 1 stop(s) via SFO; 438 minutes. Local airport times.
    • UA2177: AUS 2027-02-04 07:00:00 → SFO 2027-02-04 09:05:00; layover at SFO: 60 minutes.
    • UA2192: SFO 2027-02-04 10:05:00 → SEA 2027-02-04 12:18:00.

2027-01-21 → 2027-02-04 · $342.00

  • Alaska Airlines AS375: SEA 2027-01-21 17:11:00 → AUS 2027-01-21 23:14:00; nonstop; 243 minutes. Local airport times.
  • Alaska Airlines AS352: AUS 2027-02-04 15:43:00 → SEA 2027-02-04 18:30:00; nonstop; 287 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $351.50

  • Delta Air Lines DL848: SEA 2027-01-21 17:45:00 → AUS 2027-01-21 23:54:00; nonstop; 249 minutes. Local airport times.
  • Delta Air Lines DL831: AUS 2027-02-04 18:06:00 → SEA 2027-02-04 20:49:00; nonstop; 283 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $327.75

  • Alaska Airlines AS424 / AA6243: SEA 2027-01-21 00:33:00 → AUS 2027-01-21 08:46:00; 1 stop(s) via DFW; 373 minutes. Local airport times.
    • AS424: SEA 2027-01-21 00:33:00 → DFW 2027-01-21 06:25:00; layover at DFW: 65 minutes.
    • AA6243: DFW 2027-01-21 07:30:00 → AUS 2027-01-21 08:46:00.
  • Alaska Airlines AS352: AUS 2027-02-04 15:43:00 → SEA 2027-02-04 18:30:00; nonstop; 287 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $342.00

  • Delta Air Lines DL2914 / DL622: SEA 2027-01-21 12:31:00 → AUS 2027-01-21 21:18:00; 1 stop(s) via LAX; 407 minutes. Local airport times.
    • DL2914: SEA 2027-01-21 12:31:00 → LAX 2027-01-21 15:13:00; layover at LAX: 67 minutes.
    • DL622: LAX 2027-01-21 16:20:00 → AUS 2027-01-21 21:18:00.
  • Delta Air Lines DL831: AUS 2027-02-04 18:06:00 → SEA 2027-02-04 20:49:00; nonstop; 283 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $342.00

  • Delta Air Lines DL1120 / DL2728: SEA 2027-01-21 13:25:00 → AUS 2027-01-21 21:42:00; 1 stop(s) via SLC; 377 minutes. Local airport times.
    • DL1120: SEA 2027-01-21 13:25:00 → SLC 2027-01-21 16:26:00; layover at SLC: 89 minutes.
    • DL2728: SLC 2027-01-21 17:55:00 → AUS 2027-01-21 21:42:00.
  • Delta Air Lines DL831: AUS 2027-02-04 18:06:00 → SEA 2027-02-04 20:49:00; nonstop; 283 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $342.00

  • Delta Air Lines DL4104 / DL3714: SEA 2027-01-21 11:45:00 → AUS 2027-01-21 20:44:00; 1 stop(s) via BZN; 419 minutes. Local airport times.
    • DL4104: SEA 2027-01-21 11:45:00 → BZN 2027-01-21 14:29:00; layover at BZN: 115 minutes.
    • DL3714: BZN 2027-01-21 16:24:00 → AUS 2027-01-21 20:44:00.
  • Delta Air Lines DL831: AUS 2027-02-04 18:06:00 → SEA 2027-02-04 20:49:00; nonstop; 283 minutes. Local airport times.

More dates for this route