Find cheap flights from Decatur to San Francisco from $308

In the last 3 days, the lowest price for a flight from Decatur, Illinois to San Francisco was $336 for a one-way ticket and $308 for a round-trip.

A passport is not required to fly from Decatur to San Francisco.

We unfortunately don’t have that data for this specific route.

Star Alliance is the only airline alliance operating flights between Decatur and 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 Decatur to San Francisco.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Decatur 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 Decatur with another airline. Booking your flights between Decatur and SFO can sometimes prove cheaper using this method.

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 Decatur up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.