€117 Cheap Flights from Key West to San Francisco 2025 (EYW-SFO)

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Find cheap one-way flights from Key West to San Francisco starting at €117.

For as little as €117, you can take your next adventure to San Francisco without breaking the bank. Choose between one-way and return tickets from Key West below.

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Key West to San Francisco?

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to San Francisco from Key West have changed and are set to move below.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find cheap flights from Key West to San Francisco by different airports

There are various non-direct routes from Key West to San Francisco which could be cheaper and faster! Check out these alternative options to see if they could work for your trip.

Cheapest
EYW
18:16
8h 36m
1 transfer
SFO
23:52
Key West International Airport - San Francisco International Airport
Fri, Feb 7Delta Air Lines
€117
EYW
18:16
8h 36m
1 transfer
SFO
23:52
Key West International Airport - San Francisco International Airport
Fri, Feb 7Delta Air Lines
€117
Find More Flights

Frequently Asked Questions

When are flight tickets from Key West (EYW) to San Francisco (SFO) the cheapest?
Airlines adjust prices for flights from Key West to San Francisco based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Key West (EYW) to San Francisco (SFO) cost?
According to Trip.com's data, the lowest price is around €350.
What is the transportation method from the main airport to downtown in San Francisco?
- The distance from San Francisco International Airport to downtown is about 17 km. It takes about 30 minutes by taxi.

How to find a cheap flight from Key West to San Francisco

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Key West to San Francisco Flight Information

Cheapest nonstop flight price	€117
Off-season for travel	January
Peak season for travel	October
Flight distance	4,094.93 km
Popular airline	Silver Airways