Cheap flights from San Francisco to Key West (SFO - EYW)

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The best prices from San Francisco to Key West are usually found in September or August, booked 27 days in advance, depart on a Monday or Sunday and return on a Wednesday

How to find the cheapest flight from
San Francisco (SFO) to Key West (EYW)

All the information you need to plan the best SFO to EYW flight in 2021: compare San Francisco to Key West flight prices with the expected peak season, weather and rainfall in Key West.
SFO - EYW
Price
$333 - $572
EYW
Temperature
69.8 - 84.2 °F
EYW
Precipitation
1.5 - 6.7 inches

Popular in

December

High demand for flights, 20% potential price rise

Cheapest in

September

Best time to find cheap flights, 27% potential price drop

Round-trip from

$333

From San Francisco to Key West

One-way from

$153

One-way flight from San Francisco to Key West

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from San Francisco to Key West?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 27 days in advance, which can save you up to 53% on flights from San Francisco to Key West compared to booking the week you need them. Waiting 27 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $533. For sooner than that we have options available in the next 3 days from $701.

What is the cheapest month to fly from San Francisco to Key West?

Our data shows that September tends to be the cheapest month to fly to Key West from San Francisco. Users have commonly found prices around $455 for the month, but tickets can be as low as $196. Due to multiple factors, prepare for potentially higher prices in December.

What is the cheapest day to fly round-trip from San Francisco to Key West?

Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 53% on your flight compared to booking on days when demand is much higher.

When is the cheapest time to fly from San Francisco to Key West (SFO - EYW)?

A simple way to save on the total cost of your ticket is to fly from San Francisco to Key West at noon. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight in the afternoon.

Cheap flights from San Francisco to Key West in November, December 2021

The best prices found for SFO to EYW flights for November, December
1 Dec - 4 Dec
$367pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
EYW
Key West
EYW
Key West
American Airlines
 
1 STOP
SFO
San Francisco
8 Dec - 11 Dec
$368pp
SFO
San Francisco
Multiple Airlines
     
3 STOPS
EYW
Key West
EYW
Key West
Multiple Airlines
   
2 STOPS
SFO
San Francisco
9 Dec - 11 Dec
$381pp
SFO
San Francisco
American Airlines
 
1 STOP
EYW
Key West
EYW
Key West
American Airlines
 
1 STOP
SFO
San Francisco

San Francisco to Key West 2022 flight deals

Cheap flights to Key West from San Francisco found for next year
1 Dec - 4 Dec
$367pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
EYW
Key West
EYW
Key West
American Airlines
 
1 STOP
SFO
San Francisco
8 Dec - 11 Dec
$368pp
SFO
San Francisco
Multiple Airlines
     
3 STOPS
EYW
Key West
EYW
Key West
Multiple Airlines
   
2 STOPS
SFO
San Francisco
9 Dec - 11 Dec
$381pp
SFO
San Francisco
American Airlines
 
1 STOP
EYW
Key West
EYW
Key West
American Airlines
 
1 STOP
SFO
San Francisco

Last minute flights from San Francisco to Key West

Late deals on round-trip flights to Key West from San Francisco, departing today and this week
8 Dec - 11 Dec
$368pp
SFO
San Francisco
Multiple Airlines
     
3 STOPS
EYW
Key West
EYW
Key West
Multiple Airlines
   
2 STOPS
SFO
San Francisco
9 Dec - 11 Dec
$381pp
SFO
San Francisco
American Airlines
 
1 STOP
EYW
Key West
EYW
Key West
American Airlines
 
1 STOP
SFO
San Francisco
9 Dec - 11 Dec
$427pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
EYW
Key West
EYW
Key West
Multiple Airlines
   
2 STOPS
SFO
San Francisco

One-way flights to Key West from San Francisco

The cheapest one-way flights from San Francisco to Key West
1:01 am - 6:35 pm
American Airlines
2 Stops
14h 34m
SFO - EYW
American Airlines
4:35 pm - 6:25 am
JetBlue
1 Stop
10h 50m
SFO - EYW
JetBlue
7:45 pm - 9:20 am
United Airlines
1 Stop
10h 35m
SFO - EYW
United Airlines
$292
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">San Francisco</span> to <span class="emphasized">Key West</span> flights.

Flight FAQs

From San Francisco to Key West

Which airlines flying from San Francisco to Key West have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, Delta, and United Airlines flying from San Francisco to Key West have implemented new flexible cancellation policies.

Can I find flights from San Francisco to Key West for under $300 on Cheapflights?

Yes, there are multiple flights from San Francisco to Key West for under $300. The cheapest flight booked recently is on Multiple Airlines for just $262, but on average you can expect to pay $329.

Are there last-minute flights available from San Francisco to Key West for under $400?

There are currently 8+ open flights from San Francisco to Key West within the next 7 days for less than $400.

What are the cheapest airlines flying from San Francisco to Key West round-trip?

Cheapflights users have booked flights from San Francisco to Key West round-trip from $295. Another airline that can offer you cheap pricing is United Airlines. Users have found that American Airlines is 35% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from San Francisco to Key West one-way?

One-way options have recently been found by users for as low as $147 on American Airlines. Other airlines that offer cheap prices include United Airlines from $149 and JetBlue from $187 one-way.

What are the most popular airlines that fly from San Francisco to Key West?

Consider American Airlines, JetBlue or Delta when booking your flight. These represent the most popular airlines when flying from San Francisco to Key West.

What are the cheapest flights from San Francisco to Key West?

The cheapest flight price from San Francisco to Key West is $140. On average you can expect to pay $579. The most popular route, (San Francisco - Key West), can usually be booked for $262.

COVID Restrictions

View COVID Travel Restrictions for Key West, FL

Do I need a COVID test to fly to Key West from San Francisco?

Information is based on travel restrictions for travel to Key West within the United States

Most visitors from San Francisco need to provide a negative COVID-19 test result and/or quarantine to enter Key West.

COVID-19 testing requirements
Visitors from San Francisco must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Key West.

Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering Key West.

Do I need a test to fly back to San Francisco from Key West?

Returning to San Francisco from Key West

COVID-19 testing requirements
Visitors from Key West must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Francisco.

Quarantine requirements
Visitors from Key West are not required to quarantine after entering San Francisco.

Hide COVID Travel Restrictions for Key West, FL

Alternative routes for San Francisco to Key West

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Key West

Things to know before you go - useful duration and weather info for your trip from San Francisco to Key West.
Average temperature for November in Key West
80.6 °F
Avg rainfall for November in Key West
1.9 ″

Airports servicing San Francisco

Airports servicing Key West

Top 4 airlines flying from San Francisco to Key West

The chart below displays the airlines Cheapflights users traveling from San Francisco to Key West choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Delta
$187 $500 No cancel fee N/A
United Airlines
$188 $483 No cancel fee 69%
American Airlines
$197 $503 No cancel fee 71%
JetBlue
$246 $460 No cancel fee 62%
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