In 2026, the "cheapest" gateway to Hawaii is consistently Honolulu International Airport (HNL) on the island of Oahu. Because HNL serves as the primary hub for Hawaiian Airlines and receives the highest volume of competition from major carriers like Southwest, United, and Delta, it often features the lowest fares from the U.S. mainland. From the West Coast (LAX, SFO, SEA), round-trip tickets to HNL can frequently be found for $250–$400, whereas flights to "Neighbor Islands" like Kahului (OGG) in Maui or Lihue (LIH) in Kauai can be $50–$100 more expensive due to lower flight frequency. Another "budget" hack in 2026 is flying into Kona (KOA) on the Big Island, which has seen increased competition from low-cost carriers. However, for the absolute lowest price, travelers are advised to fly into Honolulu and then use "Inter-island" flights—which often cost as little as $45–$70 one-way—to reach their final destination. Pricing is highly seasonal, with mid-week flights in "shoulder months" like May and October offering the best chance at finding these bargain-basement fares to the archipelago.