April 15, 2026 · Source: The Flight Deal

Delta Adds Boston-Kauai Flights for $678 Roundtrip in 2026

Source: Delta: Boston – Kauai, Hawaii (and vice versa). $528 (Basic Economy) / $678 (Regular Economy). Roundtrip, including all Taxes

Delta is now offering direct roundtrip flights between Boston and Kauai, Hawaii starting at $678 in Regular Economy. Flights include taxes and a standard carry-on, with Basic Economy fares starting at $528. The route launches in 2026, making it easier for East Coast travelers to reach Hawaii’s North Shore.

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