Yes, you'll most likely have to show a valid passport before boarding the plane in Havana and on arrival in San Francisco.
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Havana to San Francisco.
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Havana is likely to change within 7 days, so travelers know whether to wait or book now.
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco with an airline and back to Havana with another airline.
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Havana up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.
Airlines flying from Havana to San Francisco have enacted additional safety measures and adjusted policies to better accommodate travelers. Policies vary by airline.
Daily cleaning, installation of cabin HEPA filters on flights from Havana to San Francisco
Masks required on board, masks provided on flights from Havana to San Francisco
Social distancing seating
Middle seats unavailable to book on flights from Havana to San Francisco
Testing for antibodies, testing for symptoms for flights from Havana to San Francisco
Waiving of change fees. Search flexible flights from Havana to San Francisco