$171 Find Cheap Flights from San Francisco to Key Largo - Compare and Save

When flying out of San Francisco you’ll be using San Francisco. Key Largo does not have its own airport so you’ll be flying into nearby Miami airport, which is 49.7 mi away.

Direct flights cover the 2,579 miles separating San Francisco and Key Largo in about 5h 35m.

27 direct flights run between San Francisco and Key Largo on a daily basis. On average, there are about 192 departures each week.

Consider leaving on a Monday and avoid Thursdays if you are looking for the best rates. For your return to San Francisco, you’ll find the best rates on Tuesdays and the most expensive ones on Sundays.

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 San Francisco to Key Largo.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Key Largo from San Francisco 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 Key Largo with an airline and back to San Francisco 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 Key Largo from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

In the last 5 days, the cheapest one-way ticket between San Francisco and Key Largo found on KAYAK was with Frontier for $80. Delta offered a round-trip connection from $139 and Frontier from $162.