What is the Best Airline to Fly to California - California’s diverse destinations, from Los Angeles to San Francisco and San Diego, are served by standout airlines offering unique perks. For premium comfort, Delta Air Lines excels with lie-flat seats on transcontinental routes and Sky Club lounge access. Alaska Airlines dominates the West Coast network with reliable service, free craft brews, and generous baggage allowances, ideal for hopping between Seattle, Portland, and California cities. Budget travelers love Southwest Airlines for its two free checked bags and no-change-fee policy, especially to secondary airports. For international luxury, Singapore Airlines shines at SFO with its famed business class and nonstop flights to Asia. Meanwhile, JetBlue combines affordability with perks like free Wi-Fi and premium Mint suites on cross-country routes. Use Alaska’s mileage plan for West Coast rewards. Avoid peak hours at LAX for smoother travel. SFO offers the most global connections, SAN is quicker for Southern California. Whether you prioritize price, comfort, or coast-to-coast convenience, these airlines make California travel a breeze.