Cheap flights to Hawaii from Portland

Round trips from Portland from $369. Cheapest dates, deal ratings and where to book.

• Kahului: $369, 2026-12-06 to 2026-12-11
• Lihue, Kauai: $371, 2026-10-12 to 2026-10-19
• Honolulu, Oahu: $397, 2027-01-26 to 2027-01-28
• Kailua-Kona: $490, 2026-11-10 to 2026-11-17

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