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Cheap flights from San Francisco to Key West from US$194
There are no direct flights from San Francisco to Key West. The fastest way is one stop via Atlanta or Tampa, about 7h 10m door to door (53 connections a week on current schedules), with fares from US$194.
No direct flights · 6 connection options From 8h 45m Cheapest in December Prices checked 13 days ago
San Francisco to Key West at a glance
Cheapest one-wayUS$194Frontier Airlines · 3 stops · Tue 1 DecCheapest returnUS$325Mon 9 Nov – Mon 16 NovFastest journey8h 45mFrontier Airlines · 3 stops
Nonstop flightsNoneConnect via Atlanta or Tampa
Best ways to fly from San Francisco to Key West
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
SFO Atlanta (ATL) EYW
Leg 1: Delta Air Lines, Frontier Airlines, United Airlines · Leg 2: Delta Air Lines
Thu08:00 SFO15:23 ATL1h 07m connection16:30 ATL18:10 EYWDelta Air Lines
2Search
SFO Tampa (TPA) EYW
Leg 1: United Airlines · Leg 2: Breeze Airways
Fri21:15 SFO05:16 TPA2h 59m connection08:15 TPA09:11 EYWUnited Airlines + Breeze Airways
3Search
SFO Charlotte (CLT) EYW
Leg 1: American Airlines · Leg 2: American Airlines
Tue23:45 SFO07:30 CLT3h 30m connection11:00 CLT12:58 EYWAmerican Airlines
4Search
SFO Dallas (DFW) EYW
Leg 1: American Airlines, Frontier Airlines, United Airlines · Leg 2: American Airlines
Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.
Cheapest dates from San Francisco to Key West
The lowest one-way fares found recently, cheapest first. Prices change; click through for the live fare.
Good to know
- Distance
- 4,098 km2,545 miles
- Journey time
- 8h 45mfastest found
- Time difference
- +3hKey West vs San Francisco
- Currency in Key West
- USD
- Airports
- SFO → EYW
Flights from San Francisco to Key West: questions answered
How much is a flight from San Francisco to Key West?
The cheapest one-way fare we found recently is US$194 with 3 stops, departing in December. Return trips start from US$325. Prices change constantly, so search your dates for the live fare.
Are there direct flights from San Francisco to Key West?
No. There is no nonstop service, so you will connect, most easily in Atlanta, Tampa and Charlotte. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from San Francisco to Key West?
With one connection the journey usually takes around 8h 45m, depending on the layover. The straight-line distance is 4,098 km.
Where do you change planes between San Francisco and Key West?
The best connecting points are Atlanta (ATL), Tampa (TPA), Charlotte (CLT) and Dallas (DFW). Delta Air Lines flies both legs via Atlanta, so you can book it as one ticket.
Which airports serve San Francisco and Key West?
San Francisco: San Francisco International Airport (SFO). Key West: Key West International Airport (EYW).
What is the time difference between San Francisco and Key West?
Key West is 3 hours ahead of San Francisco.
