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San Francisco → Austin

Dec 21, 2026 · return Dec 28, 2026

SFO → AUS1 adulteconomyRound trip

10 flight options · 4 airlines

Nonstop flights

Mon, Dec 21 – Mon, Dec 28

Southwest Airlines
8:10 amSFO
3h 35m
Nonstop
1:45 pmAUS
Southwest Airlines
9:15 pmAUS
4h
Nonstop
11:15 pmSFO

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

Delta Air Lines
1:52 pmSFO
3h 40m
Nonstop
7:32 pmAUS
Delta Air Lines
7:10 amAUS
3h 54m
Nonstop
9:04 amSFO

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

United Airlines
11:59 pmSFO
3h 34m
Nonstop
5:33 am+1AUS
United Airlines
7:00 amAUS
4h 5m
Nonstop
9:05 amSFO

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

United Airlines
8:30 amSFO
3h 38m
Nonstop
2:08 pmAUS
United Airlines
7:00 amAUS
4h 5m
Nonstop
9:05 amSFO

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Mon, Dec 28

Frontier Airlines
11:23 amSFO
6h 3m
DEN · 1h 7m
7:26 pmAUS
Frontier Airlines
8:04 pmAUS
6h 39m
DEN · 1h 21m
12:43 am+1SFO

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

Southwest Airlines
8:00 amSFO
6h 5m
DEN · 1h 30m
4:05 pmAUS
Southwest Airlines
9:15 pmAUS
4h
Nonstop
11:15 pmSFO

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

Southwest Airlines
8:20 amSFO
6h
LAX · 1h 30m
4:20 pmAUS
Southwest Airlines
9:15 pmAUS
4h
Nonstop
11:15 pmSFO

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

Southwest Airlines
5:10 amSFO
5h 40m
LAS · 1h 25m
12:50 pmAUS
Southwest Airlines
9:15 pmAUS
4h
Nonstop
11:15 pmSFO

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

Delta Air Lines
10:04 amSFO
3h 31m
Nonstop
3:35 pmAUS
Delta Air Lines
6:09 pmAUS
6h 20m
SLC · 1h 5m
10:29 pmSFO

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Dec 28

United Airlines
9:22 pmSFO
5h 39m
LAX · 1h 7m
5:01 am+1AUS
United Airlines
7:00 amAUS
4h 5m
Nonstop
9:05 amSFO

Round-trip total · 1 adult · Taxes included

Make this trip yours

SFO ⇄ 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)
2026-12-21 → 2026-12-28Southwest AirlinesWN4357 / WN4893$432.002026-10-29T01:17:23Z
2026-12-21 → 2026-12-28Delta Air LinesDL381 / DL381$445.502026-10-29T01:17:23Z
2026-12-21 → 2026-12-28United AirlinesUA2142 / UA2177$459.002026-10-29T01:17:23Z
2026-12-21 → 2026-12-28Frontier AirlinesF93436 + F91816 / F91859 + F93439$270.002026-10-29T01:17:23Z
2026-12-21 → 2026-12-28United AirlinesUA1107 / UA2177$459.002026-10-29T01:17:23Z
2026-12-21 → 2026-12-28Southwest AirlinesWN3428 + WN1669 / WN4893$411.752026-10-29T01:17:23Z
2026-12-21 → 2026-12-28Southwest AirlinesWN3847 + WN3025 / WN4893$411.752026-10-29T01:17:23Z
2026-12-21 → 2026-12-28Southwest AirlinesWN4361 + WN2282 / WN4893$411.752026-10-29T01:17:23Z
2026-12-21 → 2026-12-28Delta Air LinesDL381 / DL2581 + DL2762$428.632026-10-29T01:17:23Z
2026-12-21 → 2026-12-28United AirlinesUA2862 + UA1157 / UA2177$428.632026-10-29T01:17:23Z

2026-12-21 → 2026-12-28 · $432.00

  • Southwest Airlines WN4357: SFO 2026-12-21 08:10:00 → AUS 2026-12-21 13:45:00; nonstop; 215 minutes. Local airport times.
  • Southwest Airlines WN4893: AUS 2026-12-28 21:15:00 → SFO 2026-12-28 23:15:00; nonstop; 240 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $445.50

  • Delta Air Lines DL381: SFO 2026-12-21 13:52:00 → AUS 2026-12-21 19:32:00; nonstop; 220 minutes. Local airport times.
  • Delta Air Lines DL381: AUS 2026-12-28 07:10:00 → SFO 2026-12-28 09:04:00; nonstop; 234 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $459.00

  • United Airlines UA2142: SFO 2026-12-21 23:59:00 → AUS 2026-12-22 05:33:00; nonstop; 214 minutes. Local airport times.
  • United Airlines UA2177: AUS 2026-12-28 07:00:00 → SFO 2026-12-28 09:05:00; nonstop; 245 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $270.00

  • Frontier Airlines F93436 / F91816: SFO 2026-12-21 11:23:00 → AUS 2026-12-21 19:26:00; 1 stop(s) via DEN; 363 minutes. Local airport times.
    • F93436: SFO 2026-12-21 11:23:00 → DEN 2026-12-21 15:07:00; layover at DEN: 67 minutes.
    • F91816: DEN 2026-12-21 16:14:00 → AUS 2026-12-21 19:26:00.
  • Frontier Airlines F91859 / F93439: AUS 2026-12-28 20:04:00 → SFO 2026-12-29 00:43:00; 1 stop(s) via DEN; 399 minutes. Local airport times.
    • F91859: AUS 2026-12-28 20:04:00 → DEN 2026-12-28 21:31:00; layover at DEN: 81 minutes.
    • F93439: DEN 2026-12-28 22:52:00 → SFO 2026-12-29 00:43:00.

2026-12-21 → 2026-12-28 · $459.00

  • United Airlines UA1107: SFO 2026-12-21 08:30:00 → AUS 2026-12-21 14:08:00; nonstop; 218 minutes. Local airport times.
  • United Airlines UA2177: AUS 2026-12-28 07:00:00 → SFO 2026-12-28 09:05:00; nonstop; 245 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $411.75

  • Southwest Airlines WN3428 / WN1669: SFO 2026-12-21 08:00:00 → AUS 2026-12-21 16:05:00; 1 stop(s) via DEN; 365 minutes. Local airport times.
    • WN3428: SFO 2026-12-21 08:00:00 → DEN 2026-12-21 11:30:00; layover at DEN: 90 minutes.
    • WN1669: DEN 2026-12-21 13:00:00 → AUS 2026-12-21 16:05:00.
  • Southwest Airlines WN4893: AUS 2026-12-28 21:15:00 → SFO 2026-12-28 23:15:00; nonstop; 240 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $411.75

  • Southwest Airlines WN3847 / WN3025: SFO 2026-12-21 08:20:00 → AUS 2026-12-21 16:20:00; 1 stop(s) via LAX; 360 minutes. Local airport times.
    • WN3847: SFO 2026-12-21 08:20:00 → LAX 2026-12-21 09:50:00; layover at LAX: 90 minutes.
    • WN3025: LAX 2026-12-21 11:20:00 → AUS 2026-12-21 16:20:00.
  • Southwest Airlines WN4893: AUS 2026-12-28 21:15:00 → SFO 2026-12-28 23:15:00; nonstop; 240 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $411.75

  • Southwest Airlines WN4361 / WN2282: SFO 2026-12-21 05:10:00 → AUS 2026-12-21 12:50:00; 1 stop(s) via LAS; 340 minutes. Local airport times.
    • WN4361: SFO 2026-12-21 05:10:00 → LAS 2026-12-21 06:45:00; layover at LAS: 85 minutes.
    • WN2282: LAS 2026-12-21 08:10:00 → AUS 2026-12-21 12:50:00.
  • Southwest Airlines WN4893: AUS 2026-12-28 21:15:00 → SFO 2026-12-28 23:15:00; nonstop; 240 minutes. Local airport times.

2026-12-21 → 2026-12-28 · $428.63

  • Delta Air Lines DL381: SFO 2026-12-21 10:04:00 → AUS 2026-12-21 15:35:00; nonstop; 211 minutes. Local airport times.
  • Delta Air Lines DL2581 / DL2762: AUS 2026-12-28 18:09:00 → SFO 2026-12-28 22:29:00; 1 stop(s) via SLC; 380 minutes. Local airport times.
    • DL2581: AUS 2026-12-28 18:09:00 → SLC 2026-12-28 20:10:00; layover at SLC: 65 minutes.
    • DL2762: SLC 2026-12-28 21:15:00 → SFO 2026-12-28 22:29:00.

2026-12-21 → 2026-12-28 · $428.63

  • United Airlines UA2862 / UA1157: SFO 2026-12-21 21:22:00 → AUS 2026-12-22 05:01:00; 1 stop(s) via LAX; 339 minutes. Local airport times.
    • UA2862: SFO 2026-12-21 21:22:00 → LAX 2026-12-21 22:52:00; layover at LAX: 67 minutes.
    • UA1157: LAX 2026-12-21 23:59:00 → AUS 2026-12-22 05:01:00.
  • United Airlines UA2177: AUS 2026-12-28 07:00:00 → SFO 2026-12-28 09:05:00; nonstop; 245 minutes. Local airport times.

More dates for this route