San Diego (SAN) to Seattle (SEA) · Dec 17, 2026 · return Dec 21, 2026

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

See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.

Route overview: San Diego to Seattle (SEA) flight deals

2026-12-17 → 2026-12-21 · Axel-exclusive $322.80

• Southwest Airlines WN547: SAN 2026-12-17 09:45:00 → SEA 2026-12-17 13:00:00; nonstop; 195 minutes. Local airport times.
• Southwest Airlines WN1791: SEA 2026-12-21 08:00:00 → SAN 2026-12-21 10:45:00; nonstop; 165 minutes. Local airport times.

2026-12-17 → 2026-12-21 · Axel-exclusive $334.80

• Alaska Airlines AS792: SAN 2026-12-17 07:15:00 → SEA 2026-12-17 10:27:00; nonstop; 192 minutes. Local airport times.
• Alaska Airlines AS791: SEA 2026-12-21 17:51:00 → SAN 2026-12-21 20:41:00; nonstop; 170 minutes. Local airport times.

2026-12-17 → 2026-12-21 · Axel-exclusive $346.80

• Delta Air Lines DL2150: SAN 2026-12-17 18:47:00 → SEA 2026-12-17 22:05:00; nonstop; 198 minutes. Local airport times.
• Delta Air Lines DL2572: SEA 2026-12-21 11:55:00 → SAN 2026-12-21 14:51:00; nonstop; 176 minutes. Local airport times.

2026-12-17 → 2026-12-21 · Axel-exclusive $279.80

• Frontier Airlines F91466 / F94203: SAN 2026-12-17 11:26:00 → SEA 2026-12-17 17:10:00; 1 stop(s) via LAS; 344 minutes. Local airport times.
  • F91466: SAN 2026-12-17 11:26:00 → LAS 2026-12-17 13:01:00; layover at LAS: 70 minutes.
  • F94203: LAS 2026-12-17 14:11:00 → SEA 2026-12-17 17:10:00.
• Alaska Airlines AS791: SEA 2026-12-21 17:51:00 → SAN 2026-12-21 20:41:00; nonstop; 170 minutes. Local airport times.

2026-12-17 → 2026-12-21 · Axel-exclusive $358.80

• United Airlines UA1302 / UA1007: SAN 2026-12-17 18:23:00 → SEA 2026-12-17 23:44:00; 1 stop(s) via SFO; 321 minutes. Local airport times.
  • UA1302: SAN 2026-12-17 18:23:00 → SFO 2026-12-17 20:10:00; layover at SFO: 80 minutes.
  • UA1007: SFO 2026-12-17 21:30:00 → SEA 2026-12-17 23:44:00.
• United Airlines UA737 / UA1389: SEA 2026-12-21 19:30:00 → SAN 2026-12-22 00:19:00; 1 stop(s) via SFO; 289 minutes. Local airport times.
  • UA737: SEA 2026-12-21 19:30:00 → SFO 2026-12-21 21:42:00; layover at SFO: 60 minutes.
  • UA1389: SFO 2026-12-21 22:42:00 → SAN 2026-12-22 00:19:00.

2026-12-17 → 2026-12-21 · Axel-exclusive $334.80

• Alaska Airlines AS1368: SAN 2026-12-17 12:01:00 → SEA 2026-12-17 15:15:00; nonstop; 194 minutes. Local airport times.
• Alaska Airlines AS791: SEA 2026-12-21 17:51:00 → SAN 2026-12-21 20:41:00; nonstop; 170 minutes. Local airport times.

2026-12-17 → 2026-12-21 · Axel-exclusive $346.80

• Delta Air Lines DL2533: SAN 2026-12-17 13:45:00 → SEA 2026-12-17 16:57:00; nonstop; 192 minutes. Local airport times.
• Delta Air Lines DL2572: SEA 2026-12-21 11:55:00 → SAN 2026-12-21 14:51:00; nonstop; 176 minutes. Local airport times.

2026-12-17 → 2026-12-21 · Axel-exclusive $308.80

• Southwest Airlines WN547: SAN 2026-12-17 07:20:00 → SEA 2026-12-17 10:25:00; nonstop; 185 minutes. Local airport times.
• Southwest Airlines WN2179 / WN429: SEA 2026-12-21 12:35:00 → SAN 2026-12-21 17:45:00; 1 stop(s) via SJC; 310 minutes. Local airport times.
  • WN2179: SEA 2026-12-21 12:35:00 → SJC 2026-12-21 14:55:00; layover at SJC: 85 minutes.
  • WN429: SJC 2026-12-21 16:20:00 → SAN 2026-12-21 17:45:00.

2026-12-17 → 2026-12-21 · Axel-exclusive $324.80

• Alaska Airlines AS3100 / AS1359: SAN 2026-12-17 16:26:00 → SEA 2026-12-17 22:07:00; 1 stop(s) via OAK; 341 minutes. Local airport times.
  • AS3100: SAN 2026-12-17 16:26:00 → OAK 2026-12-17 18:15:00; layover at OAK: 101 minutes.
  • AS1359: OAK 2026-12-17 19:56:00 → SEA 2026-12-17 22:07:00.
• Alaska Airlines AS791: SEA 2026-12-21 17:51:00 → SAN 2026-12-21 20:41:00; nonstop; 170 minutes. Local airport times.

2026-12-17 → 2026-12-21 · Axel-exclusive $324.80

• Alaska Airlines AS3102 / AS3023: SAN 2026-12-17 09:12:00 → SEA 2026-12-17 14:49:00; 1 stop(s) via EUG; 337 minutes. Local airport times.
  • AS3102: SAN 2026-12-17 09:12:00 → EUG 2026-12-17 11:57:00; layover at EUG: 95 minutes.
  • AS3023: EUG 2026-12-17 13:32:00 → SEA 2026-12-17 14:49:00.
• Alaska Airlines AS791: SEA 2026-12-21 17:51:00 → SAN 2026-12-21 20:41:00; nonstop; 170 minutes. Local airport times.

2026-12-17 → 2026-12-21 · Axel-exclusive $358.80

• United Airlines UA2035 / UA726: SAN 2026-12-17 06:20:00 → SEA 2026-12-17 11:26:00; 1 stop(s) via LAX; 306 minutes. Local airport times.
  • UA2035: SAN 2026-12-17 06:20:00 → LAX 2026-12-17 07:25:00; layover at LAX: 62 minutes.
  • UA726: LAX 2026-12-17 08:27:00 → SEA 2026-12-17 11:26:00.
• United Airlines UA737 / UA1389: SEA 2026-12-21 19:30:00 → SAN 2026-12-22 00:19:00; 1 stop(s) via SFO; 289 minutes. Local airport times.
  • UA737: SEA 2026-12-21 19:30:00 → SFO 2026-12-21 21:42:00; layover at SFO: 60 minutes.
  • UA1389: SFO 2026-12-21 22:42:00 → SAN 2026-12-22 00:19:00.

Travelers: prices on this page are totals for 1 adult. For a different party, open this trip for 2 adults · 3 adults · 4 adults · 2 adults + 1 child · 2 adults + 2 children; each link opens AI flight search for these dates and those travelers, and the customer link to share comes from those results.

Explore this route

• All dates for this route
• Dec 16, 2026 · Return options
• Dec 18, 2026 · Return options
• Hotels in Seattle with Axel

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