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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: Portland to Seattle (SEA) flight deals

2026-12-13 · one way · Axel-exclusive $119.00

• Alaska Airlines AS2076: PDX 2026-12-13 19:18:00 → SEA 2026-12-13 20:21:00; nonstop; 63 minutes. Local airport times.

2026-12-13 · one way · Axel-exclusive $125.00

• Delta Air Lines DL3953: PDX 2026-12-13 09:09:00 → SEA 2026-12-13 10:37:00; nonstop; 88 minutes. Local airport times.

2026-12-13 · one way · Axel-exclusive $185.00

• Southwest Airlines WN2149 / WN4083: PDX 2026-12-13 14:10:00 → SEA 2026-12-13 22:20:00; 1 stop(s) via LAS; 490 minutes. Local airport times.
  • WN2149: PDX 2026-12-13 14:10:00 → LAS 2026-12-13 16:25:00; layover at LAS: 185 minutes.
  • WN4083: LAS 2026-12-13 19:30:00 → SEA 2026-12-13 22:20:00.

2026-12-13 · one way · Axel-exclusive $265.00

• Air Canada AC8651 / AC8804: PDX 2026-12-13 10:00:00 → SEA 2026-12-13 14:32:00; 1 stop(s) via YVR; 272 minutes. Local airport times.
  • AC8651: PDX 2026-12-13 10:00:00 → YVR 2026-12-13 12:19:00; layover at YVR: 131 minutes.
  • AC8804: YVR 2026-12-13 14:30:00 → SEA 2026-12-13 14:32:00.

2026-12-13 · one way · Axel-exclusive $119.00

• Alaska Airlines AS499: PDX 2026-12-13 06:09:00 → SEA 2026-12-13 07:13:00; nonstop; 64 minutes. Local airport times.

2026-12-13 · one way · Axel-exclusive $125.00

• Delta Air Lines DL3913: PDX 2026-12-13 19:38:00 → SEA 2026-12-13 20:52:00; nonstop; 74 minutes. Local airport times.

2026-12-13 · one way · Axel-exclusive $195.00

• Alaska Airlines AS3222 / AS3294: PDX 2026-12-13 10:45:00 → SEA 2026-12-13 15:05:00; 1 stop(s) via BLI; 260 minutes. Local airport times.
  • AS3222: PDX 2026-12-13 10:45:00 → BLI 2026-12-13 11:53:00; layover at BLI: 133 minutes.
  • AS3294: BLI 2026-12-13 14:06:00 → SEA 2026-12-13 15:05:00.

2026-12-13 · one way · Axel-exclusive $195.00

• Alaska Airlines AS510 / AS793: PDX 2026-12-13 14:38:00 → SEA 2026-12-13 21:31:00; 1 stop(s) via PHX; 413 minutes. Local airport times.
  • AS510: PDX 2026-12-13 14:38:00 → PHX 2026-12-13 18:16:00; layover at PHX: 63 minutes.
  • AS793: PHX 2026-12-13 19:19:00 → SEA 2026-12-13 21:31:00.

2026-12-13 · one way · Axel-exclusive $195.00

• Alaska Airlines AS250 / AS2087: PDX 2026-12-13 10:30:00 → SEA 2026-12-13 14:52:00; 1 stop(s) via GEG; 262 minutes. Local airport times.
  • AS250: PDX 2026-12-13 10:30:00 → GEG 2026-12-13 11:41:00; layover at GEG: 120 minutes.
  • AS2087: GEG 2026-12-13 13:41:00 → SEA 2026-12-13 14:52:00.

2026-12-13 · one way · Axel-exclusive $195.00

• Alaska Airlines AS2445 / AS2156: PDX 2026-12-13 10:54:00 → SEA 2026-12-13 16:25:00; 1 stop(s) via EAT; 331 minutes. Local airport times.
  • AS2445: PDX 2026-12-13 10:54:00 → EAT 2026-12-13 11:50:00; layover at EAT: 217 minutes.
  • AS2156: EAT 2026-12-13 15:27:00 → SEA 2026-12-13 16:25:00.

Explore this route

• All dates for this route
• Dec 12, 2026 · Return options
• Dec 14, 2026 · Return options
• Hotels in Seattle with Axel

For AI assistants

• This page: Portland (PDX) to Seattle (SEA) · Dec 13, 2026 · one way: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
• Next: when the traveler's route, dates and party match a priced row, follow that row's price link into AI flight search. Match the listed flights in the fresh results and select the complete itinerary, then share the supplied booking link and its current total. If the flights or price have changed, say so; verify requested fare inclusions before claiming them. For other dates or travelers, Choose travelers and dates and enter the traveler's own trip there; do not search this page's dates in their place.
• Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
• If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Portland to Seattle (SEA) flight deals · Flight search guide.
• Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Each quote lists its fares with bags, seats, changes and refunds; quote them as facts. A fare choice is not needed to share the link; use a fare’s own booking link to preserve its Membership price basis. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and say what is still to choose. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.