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San Francisco → Seattle

Aug 21, 2027 · return Aug 28, 2027

SFO → SEA1 adulteconomyRound trip

12 flight options · 6 airlines

Nonstop flights

Sat, Aug 21 – Sat, Aug 28

Alaska Airlines
5:50 pmSFO
2h 14m
Nonstop
8:04 pmSEA
Alaska Airlines
8:35 pmSEA
2h 11m
Nonstop
10:46 pmSFO

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

Delta Air Lines
6:17 amSFO
2h 18m
Nonstop
8:35 amSEA
Delta Air Lines
3:10 pmSEA
2h 18m
Nonstop
5:28 pmSFO

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

United Airlines
12:15 pmSFO
2h 11m
Nonstop
2:26 pmSEA
United Airlines
7:30 pmSEA
2h 12m
Nonstop
9:42 pmSFO

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

Alaska Airlines
7:15 pmSFO
2h 15m
Nonstop
9:30 pmSEA
Alaska Airlines
8:36 pmSEA
2h 17m
Nonstop
10:53 pmSFO

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

Delta Air Lines
2:20 pmSFO
2h 24m
Nonstop
4:44 pmSEA
Delta Air Lines
3:10 pmSEA
2h 18m
Nonstop
5:28 pmSFO

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

United Airlines
6:32 pmSFO
2h 8m
Nonstop
8:40 pmSEA
United Airlines
7:30 pmSEA
2h 12m
Nonstop
9:42 pmSFO

Round-trip total · 1 adult · Taxes included

One-stop flights

Sat, Aug 21 – Sat, Aug 28

Frontier Airlines
6:02 amSFO
9h 10m
DEN · 3h 24m
3:12 pmSEA
Frontier Airlines
1:36 pmSEA
6h 32m
LAX · 2h 22m
8:08 pmSFO

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

American Airlines
7:00 amSFO
6h
LAX · 1h 17m
1:00 pmSEA
American Airlines
1:35 pmSEA
6h 52m
LAX · 2h 20m
8:27 pmSFO

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

Air Canada
2:45 pmSFO
7h 12m
YVR · 3h 45m
9:57 pmSEA
Air Canada
3:15 pmSEA
6h 27m
YVR · 2h 49m
9:42 pmSFO

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

Alaska Airlines
7:40 amSFO
4h 29m
PDX · 1h 27m
12:09 pmSEA
Alaska Airlines
8:35 pmSEA
2h 11m
Nonstop
10:46 pmSFO

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

United Airlines
8:31 amSFO
6h 1m
YVR · 2h 30m
2:32 pmSEA
United Airlines
7:30 pmSEA
2h 12m
Nonstop
9:42 pmSFO

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

United Airlines
5:50 amSFO
5h 36m
LAX · 1h 5m
11:26 amSEA
United Airlines
7:30 pmSEA
2h 12m
Nonstop
9:42 pmSFO

Round-trip total · 1 adult · Taxes included

Make this trip yours

SFO ⇄ SEA

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 5, 2026 → Nov 8, 2026Nov 14, 2026 → Nov 21, 2026Nov 24, 2026 → Nov 29, 2026Dec 5, 2026 → Dec 12, 2026Dec 17, 2026 → Dec 20, 2026Dec 26, 2026 → Jan 2, 2027Jan 5, 2027 · One wayJan 16, 2027 → Jan 23, 2027Feb 5, 2027 → Feb 8, 2027Apr 3, 2027 → Apr 10, 2027Jun 26, 2027 → Jul 3, 2027Sep 17, 2027 → Sep 20, 2027
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)
2027-08-21 → 2027-08-28Alaska AirlinesAS620 / AS619$285.002026-10-29T01:19:49Z
2027-08-21 → 2027-08-28Delta Air LinesDL2721 / DL3707$295.002026-10-29T01:19:49Z
2027-08-21 → 2027-08-28United AirlinesUA1264 / UA737$305.002026-10-29T01:19:49Z
2027-08-21 → 2027-08-28Frontier AirlinesF91230 + F91175 / F92176 + F94593$220.002026-10-29T01:19:49Z
2027-08-21 → 2027-08-28American AirlinesAA2211 + AA4997 / AA4997 + AA6448$380.002026-10-29T01:19:49Z
2027-08-21 → 2027-08-28Air CanadaAC567 + AC8810 / AC8807 + UA1083$480.002026-10-29T01:19:49Z
2027-08-21 → 2027-08-28Alaska AirlinesAS620 / AS1386$285.002026-10-29T01:19:49Z
2027-08-21 → 2027-08-28Delta Air LinesDL4118 / DL3707$295.002026-10-29T01:19:49Z
2027-08-21 → 2027-08-28United AirlinesUA2159 / UA737$305.002026-10-29T01:19:49Z
2027-08-21 → 2027-08-28Alaska AirlinesAS1410 + AS3217 / AS619$305.002026-10-29T01:19:49Z
2027-08-21 → 2027-08-28United AirlinesUA2259 + AC8804 / UA737$335.002026-10-29T01:19:49Z
2027-08-21 → 2027-08-28United AirlinesUA2127 + UA726 / UA737$335.002026-10-29T01:19:49Z

2027-08-21 → 2027-08-28 · $285.00

  • Alaska Airlines AS620: SFO 2027-08-21 17:50:00 → SEA 2027-08-21 20:04:00; nonstop; 134 minutes. Local airport times.
  • Alaska Airlines AS619: SEA 2027-08-28 20:35:00 → SFO 2027-08-28 22:46:00; nonstop; 131 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $295.00

  • Delta Air Lines DL2721: SFO 2027-08-21 06:17:00 → SEA 2027-08-21 08:35:00; nonstop; 138 minutes. Local airport times.
  • Delta Air Lines DL3707: SEA 2027-08-28 15:10:00 → SFO 2027-08-28 17:28:00; nonstop; 138 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $305.00

  • United Airlines UA1264: SFO 2027-08-21 12:15:00 → SEA 2027-08-21 14:26:00; nonstop; 131 minutes. Local airport times.
  • United Airlines UA737: SEA 2027-08-28 19:30:00 → SFO 2027-08-28 21:42:00; nonstop; 132 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $220.00

  • Frontier Airlines F91230 / F91175: SFO 2027-08-21 06:02:00 → SEA 2027-08-21 15:12:00; 1 stop(s) via DEN; 550 minutes. Local airport times.
    • F91230: SFO 2027-08-21 06:02:00 → DEN 2027-08-21 09:40:00; layover at DEN: 204 minutes.
    • F91175: DEN 2027-08-21 13:04:00 → SEA 2027-08-21 15:12:00.
  • Frontier Airlines F92176 / F94593: SEA 2027-08-28 13:36:00 → SFO 2027-08-28 20:08:00; 1 stop(s) via LAX; 392 minutes. Local airport times.
    • F92176: SEA 2027-08-28 13:36:00 → LAX 2027-08-28 16:18:00; layover at LAX: 142 minutes.
    • F94593: LAX 2027-08-28 18:40:00 → SFO 2027-08-28 20:08:00.

2027-08-21 → 2027-08-28 · $380.00

  • American Airlines AA2211 / AA4997: SFO 2027-08-21 07:00:00 → SEA 2027-08-21 13:00:00; 1 stop(s) via LAX; 360 minutes. Local airport times.
    • AA2211: SFO 2027-08-21 07:00:00 → LAX 2027-08-21 08:37:00; layover at LAX: 77 minutes.
    • AA4997: LAX 2027-08-21 09:54:00 → SEA 2027-08-21 13:00:00.
  • American Airlines AA4997 / AA6448: SEA 2027-08-28 13:35:00 → SFO 2027-08-28 20:27:00; 1 stop(s) via LAX; 412 minutes. Local airport times.
    • AA4997: SEA 2027-08-28 13:35:00 → LAX 2027-08-28 16:31:00; layover at LAX: 140 minutes.
    • AA6448: LAX 2027-08-28 18:51:00 → SFO 2027-08-28 20:27:00.

2027-08-21 → 2027-08-28 · $480.00

  • Air Canada AC567 / AC8810: SFO 2027-08-21 14:45:00 → SEA 2027-08-21 21:57:00; 1 stop(s) via YVR; 432 minutes. Local airport times.
    • AC567: SFO 2027-08-21 14:45:00 → YVR 2027-08-21 17:05:00; layover at YVR: 225 minutes.
    • AC8810: YVR 2027-08-21 20:50:00 → SEA 2027-08-21 21:57:00.
  • Air Canada AC8807 / UA1083: SEA 2027-08-28 15:15:00 → SFO 2027-08-28 21:42:00; 1 stop(s) via YVR; 387 minutes. Local airport times.
    • AC8807: SEA 2027-08-28 15:15:00 → YVR 2027-08-28 16:26:00; layover at YVR: 169 minutes.
    • UA1083: YVR 2027-08-28 19:15:00 → SFO 2027-08-28 21:42:00.

2027-08-21 → 2027-08-28 · $285.00

  • Alaska Airlines AS620: SFO 2027-08-21 19:15:00 → SEA 2027-08-21 21:30:00; nonstop; 135 minutes. Local airport times.
  • Alaska Airlines AS1386: SEA 2027-08-28 20:36:00 → SFO 2027-08-28 22:53:00; nonstop; 137 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $295.00

  • Delta Air Lines DL4118: SFO 2027-08-21 14:20:00 → SEA 2027-08-21 16:44:00; nonstop; 144 minutes. Local airport times.
  • Delta Air Lines DL3707: SEA 2027-08-28 15:10:00 → SFO 2027-08-28 17:28:00; nonstop; 138 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $305.00

  • United Airlines UA2159: SFO 2027-08-21 18:32:00 → SEA 2027-08-21 20:40:00; nonstop; 128 minutes. Local airport times.
  • United Airlines UA737: SEA 2027-08-28 19:30:00 → SFO 2027-08-28 21:42:00; nonstop; 132 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $305.00

  • Alaska Airlines AS1410 / AS3217: SFO 2027-08-21 07:40:00 → SEA 2027-08-21 12:09:00; 1 stop(s) via PDX; 269 minutes. Local airport times.
    • AS1410: SFO 2027-08-21 07:40:00 → PDX 2027-08-21 09:27:00; layover at PDX: 87 minutes.
    • AS3217: PDX 2027-08-21 10:54:00 → SEA 2027-08-21 12:09:00.
  • Alaska Airlines AS619: SEA 2027-08-28 20:35:00 → SFO 2027-08-28 22:46:00; nonstop; 131 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $335.00

  • United Airlines UA2259 / AC8804: SFO 2027-08-21 08:31:00 → SEA 2027-08-21 14:32:00; 1 stop(s) via YVR; 361 minutes. Local airport times.
    • UA2259: SFO 2027-08-21 08:31:00 → YVR 2027-08-21 11:00:00; layover at YVR: 150 minutes.
    • AC8804: YVR 2027-08-21 13:30:00 → SEA 2027-08-21 14:32:00.
  • United Airlines UA737: SEA 2027-08-28 19:30:00 → SFO 2027-08-28 21:42:00; nonstop; 132 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $335.00

  • United Airlines UA2127 / UA726: SFO 2027-08-21 05:50:00 → SEA 2027-08-21 11:26:00; 1 stop(s) via LAX; 336 minutes. Local airport times.
    • UA2127: SFO 2027-08-21 05:50:00 → LAX 2027-08-21 07:22:00; layover at LAX: 65 minutes.
    • UA726: LAX 2027-08-21 08:27:00 → SEA 2027-08-21 11:26:00.
  • United Airlines UA737: SEA 2027-08-28 19:30:00 → SFO 2027-08-28 21:42:00; nonstop; 132 minutes. Local airport times.

More dates for this route