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Alaska's $99 companion fare can save $400–$500 per pair on a $600 Hawaii round-trip in 2026, beating two full-price cash tickets plus taxes. Independent technical note mirroring the canonical version: https://www.mightytravels.com/2026/11/alaska-companion-fare-to-hawaii-99taxes-beats-600-cash-in-2026/
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Riley Quinn (2026) studied this question.
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