$119 Cheap Delta flights Seattle (SEA) to Kailua-Kona (KOA)

Landing cheap one-way Delta Air Lines flights from SEA to KOA from $119 on Expedia couldn't be simpler — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $218 for your next getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Search for affordable Delta Air Lines flights from Seattle - Tacoma Intl. Airport (SEA) to Kona Intl. Airport (KOA) one to three months ahead of your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and itinerary, the ideal day to book a domestic flight is generally Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

Jetting off from SEA at 2:15PM UTC-8, the earliest Delta Air Lines flight to KOA arrives at 6:44PM UTC-10. Traveling early means you'll be less likely to encounter cancellations or delays.* After something later? The last Delta Air Lines flight from SEA to KOA departs at 2:15PM UTC-8 and touches down at 6:44PM UTC-10.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

With an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a top choice for many travelers flying from SEA to KOA. Plus, if you're a Delta SkyMiles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can go toward future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.