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Seattle → San Francisco

Dec 21, 2026 · one way

SEA → SFO1 adulteconomyOne way

12 flight options · 6 airlines

Nonstop flights

Mon, Dec 21 · One way

Alaska Airlines
9:46 amSEA
2h 16m
Nonstop
12:02 pmSFO

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Delta Air Lines
5:56 pmSEA
2h 22m
Nonstop
8:18 pmSFO

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

United Airlines
3:24 pmSEA
2h 21m
Nonstop
5:45 pmSFO

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Alaska Airlines
7:33 pmSEA
2h 10m
Nonstop
9:43 pmSFO

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Delta Air Lines
7:52 pmSEA
2h 16m
Nonstop
10:08 pmSFO

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

United Airlines
7:30 pmSEA
2h 12m
Nonstop
9:42 pmSFO

One-way total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 · One way

Frontier Airlines
1:36 pmSEA
6h 32m
LAX · 2h 22m
8:08 pmSFO

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

American Airlines
1:35 pmSEA
6h 52m
LAX · 2h 20m
8:27 pmSFO

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Air Canada
3:15 pmSEA
6h 27m
YVR · 2h 49m
9:42 pmSFO

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Alaska Airlines
10:19 amSEA
5h 12m
GEG · 1h 38m
3:31 pmSFO

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Alaska Airlines
12:22 pmSEA
4h 15m
PDX · 1h 17m
4:37 pmSFO

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Delta Air Lines
12:31 pmSEA
7h 11m
LAX · 2h 58m
7:42 pmSFO

One-way total · 1 adult · Taxes included

Make this trip yours

SEA ⇄ SFO

Economy

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

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Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

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 · one wayAlaska AirlinesAS528$175.002026-10-29T00:39:30Z
2026-12-21 · one wayDelta Air LinesDL3991$182.002026-10-29T00:39:30Z
2026-12-21 · one wayUnited AirlinesUA2478$189.002026-10-29T00:39:30Z
2026-12-21 · one wayFrontier AirlinesF92176 + F94593$147.002026-10-29T00:39:30Z
2026-12-21 · one wayAmerican AirlinesAA4997 + AA6448$245.002026-10-29T00:39:30Z
2026-12-21 · one wayAir CanadaAC8807 + UA1083$294.002026-10-29T00:39:30Z
2026-12-21 · one wayAlaska AirlinesAS619$175.002026-10-29T00:39:30Z
2026-12-21 · one wayDelta Air LinesDL2635$182.002026-10-29T00:39:30Z
2026-12-21 · one wayUnited AirlinesUA737$189.002026-10-29T00:39:30Z
2026-12-21 · one wayAlaska AirlinesAS635 + AS3011$210.002026-10-29T00:39:30Z
2026-12-21 · one wayAlaska AirlinesAS488 + AS236$210.002026-10-29T00:39:30Z
2026-12-21 · one wayDelta Air LinesDL2914 + DL2197$238.002026-10-29T00:39:30Z

2026-12-21 · one way · $175.00

  • Alaska Airlines AS528: SEA 2026-12-21 09:46:00 → SFO 2026-12-21 12:02:00; nonstop; 136 minutes. Local airport times.

2026-12-21 · one way · $182.00

  • Delta Air Lines DL3991: SEA 2026-12-21 17:56:00 → SFO 2026-12-21 20:18:00; nonstop; 142 minutes. Local airport times.

2026-12-21 · one way · $189.00

  • United Airlines UA2478: SEA 2026-12-21 15:24:00 → SFO 2026-12-21 17:45:00; nonstop; 141 minutes. Local airport times.

2026-12-21 · one way · $147.00

  • Frontier Airlines F92176 / F94593: SEA 2026-12-21 13:36:00 → SFO 2026-12-21 20:08:00; 1 stop(s) via LAX; 392 minutes. Local airport times.
    • F92176: SEA 2026-12-21 13:36:00 → LAX 2026-12-21 16:18:00; layover at LAX: 142 minutes.
    • F94593: LAX 2026-12-21 18:40:00 → SFO 2026-12-21 20:08:00.

2026-12-21 · one way · $245.00

  • American Airlines AA4997 / AA6448: SEA 2026-12-21 13:35:00 → SFO 2026-12-21 20:27:00; 1 stop(s) via LAX; 412 minutes. Local airport times.
    • AA4997: SEA 2026-12-21 13:35:00 → LAX 2026-12-21 16:31:00; layover at LAX: 140 minutes.
    • AA6448: LAX 2026-12-21 18:51:00 → SFO 2026-12-21 20:27:00.

2026-12-21 · one way · $294.00

  • Air Canada AC8807 / UA1083: SEA 2026-12-21 15:15:00 → SFO 2026-12-21 21:42:00; 1 stop(s) via YVR; 387 minutes. Local airport times.
    • AC8807: SEA 2026-12-21 15:15:00 → YVR 2026-12-21 17:26:00; layover at YVR: 169 minutes.
    • UA1083: YVR 2026-12-21 20:15:00 → SFO 2026-12-21 21:42:00.

2026-12-21 · one way · $175.00

  • Alaska Airlines AS619: SEA 2026-12-21 19:33:00 → SFO 2026-12-21 21:43:00; nonstop; 130 minutes. Local airport times.

2026-12-21 · one way · $182.00

  • Delta Air Lines DL2635: SEA 2026-12-21 19:52:00 → SFO 2026-12-21 22:08:00; nonstop; 136 minutes. Local airport times.

2026-12-21 · one way · $189.00

  • United Airlines UA737: SEA 2026-12-21 19:30:00 → SFO 2026-12-21 21:42:00; nonstop; 132 minutes. Local airport times.

2026-12-21 · one way · $210.00

  • Alaska Airlines AS635 / AS3011: SEA 2026-12-21 10:19:00 → SFO 2026-12-21 15:31:00; 1 stop(s) via GEG; 312 minutes. Local airport times.
    • AS635: SEA 2026-12-21 10:19:00 → GEG 2026-12-21 11:30:00; layover at GEG: 98 minutes.
    • AS3011: GEG 2026-12-21 13:08:00 → SFO 2026-12-21 15:31:00.

2026-12-21 · one way · $210.00

  • Alaska Airlines AS488 / AS236: SEA 2026-12-21 12:22:00 → SFO 2026-12-21 16:37:00; 1 stop(s) via PDX; 255 minutes. Local airport times.
    • AS488: SEA 2026-12-21 12:22:00 → PDX 2026-12-21 13:24:00; layover at PDX: 77 minutes.
    • AS236: PDX 2026-12-21 14:41:00 → SFO 2026-12-21 16:37:00.

2026-12-21 · one way · $238.00

  • Delta Air Lines DL2914 / DL2197: SEA 2026-12-21 12:31:00 → SFO 2026-12-21 19:42:00; 1 stop(s) via LAX; 431 minutes. Local airport times.
    • DL2914: SEA 2026-12-21 12:31:00 → LAX 2026-12-21 15:13:00; layover at LAX: 178 minutes.
    • DL2197: LAX 2026-12-21 18:11:00 → SFO 2026-12-21 19:42:00.

More dates for this route