Alaska Airlines: Strong West Coast network and competitive fares to Hawaiian destinations; often offers connections via LAX or SEA, plus Mileage Plan credit. Hawaiian Airlines: Known for inter-island experience, direct mainland-to-Hawaii flights when available, and an authentic Hawaiian onboard service; fares can be higher but include island-focused amenities. United/American: Offer wider network connections through hubs (SFO, LAX, PHX), frequent promotions, and alliance benefits; good options for travelers collecting miles with Star Alliance or Oneworld. For January travel from San Jose Mineta International Airport (SJC) to Lihue Airport (LIH), weigh nonstop availability, baggage allowances, loyalty benefits, and price—then book the airline that best matches your priorities for comfort and connections.