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SFO - EYW

$181 Find Cheap Flights from San Francisco to Key West - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$321
Typical prices: $453-$761
American Airlines
Sat 12/8Wed 12/12
SFO - EYW • 1 stop
Cheapest one-way
$181
Typical prices: $229-$512
Multiple Airlines
Fri 11/2
SFO - EYW • 3 stops
Nonstop flights
Not available
There are currently no direct flights between San Francisco and Key West. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
19 weeks
in advance
Our data shows that travelers who book at least 19 weeks in advance save around 61% compared to booking last minute.
Insights
Insights
When to travel
August
Cheapest • 44% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Washington, D.C. Dulles Intl (IAD)
Cheapest • Avg $462 (round-trip)
Dallas/Fort Worth (DFW)
Shortest trip • 8h 02m (one-way)
Insights
Insights
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We hope you love your trip to Key West!
Flight Deals
Booking Insights
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Francisco to Key West

Tue, Dec 8 - Sat, Dec 12
American Airlines Logo
5:00 am - 5:21 pmSFO  San Francisco-EYW Key West
9h 21m1 stop Charlotte Douglas
American Airlines Logo
5:01 pm - 12:13 amEYW  Key West-SFO San Francisco
10h 12m1 stop Miami
$321American Airlines
Tue, Dec 8 - Wed, Dec 16
Delta Logo
8:01 am - 8:01 pmSFO  San Francisco-EYW Key West
9h 00m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:25 am - 12:47 pmEYW  Key West-SFO San Francisco
8h 22m1 stop Atlanta Hartsfield-Jackson
$321Delta
Tue, Dec 8 - Tue, Dec 15
Delta Logo
8:01 am - 8:01 pmSFO  San Francisco-EYW Key West
9h 00m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:06 pm - 11:55 pmEYW  Key West-SFO San Francisco
8h 49m1 stop Atlanta Hartsfield-Jackson
$321Delta
Mon, Nov 16 - Sat, Nov 21
American Airlines Logo
11:47 pm - 10:44 amSFO  San Francisco-EYW Key West
7h 57m1 stop Miami
American Airlines Logo
7:37 pm - 12:58 amEYW  Key West-SFO San Francisco
8h 21m1 stop Miami
$360American Airlines
Mon, Dec 7 - Tue, Dec 15
Delta Logo
11:59 pm - 10:48 amSFO  San Francisco-EYW Key West
7h 49m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:06 pm - 11:55 pmEYW  Key West-SFO San Francisco
8h 49m1 stop Atlanta Hartsfield-Jackson
$360Delta
Sat, Nov 7 - Fri, Nov 13
Multiple Airlines Logo
12:20 pm - 10:19 amSFO  San Francisco-EYW Key West
18h 59m2 stops Denver Intl Orlando
Multiple Airlines Logo
10:59 am - 12:20 amEYW  Key West-SFO San Francisco
16h 21m2 stops Orlando Denver Intl
$375Multiple Airlines
Sun, Dec 13 - Tue, Dec 15
Multiple Airlines Logo
12:46 pm - 11:13 amSFO  San Francisco-EYW Key West
19h 27m1 stop Cincinnati Cinci./N. Kentucky
Multiple Airlines Logo
10:59 am - 9:39 amEYW  Key West-SFO San Francisco
25h 40m2 stops Orlando Denver Intl
$377Multiple Airlines
Wed, Oct 28 - Sat, Oct 31
American Airlines Logo
5:30 am - 4:54 pmSFO  San Francisco-EYW Key West
8h 24m1 stop Dallas/Fort Worth
American Airlines Logo
5:28 pm - 11:59 pmEYW  Key West-SFO San Francisco
9h 31m1 stop Miami
$399American Airlines
Sat, Dec 12 - Thu, Dec 17
United Airlines Logo
11:10 pm - 11:24 amSFO  San Francisco-EYW Key West
9h 14m1 stop Chicago O'Hare Intl
United Airlines Logo
5:52 pm - 12:59 amEYW  Key West-SFO San Francisco
10h 07m1 stop Chicago O'Hare Intl
$490United Airlines
Tue, Dec 8 - Fri, Dec 18
United Airlines Logo
11:59 pm - 2:36 pmSFO  San Francisco-EYW Key West
11h 37m1 stop Newark
United Airlines Logo
5:52 pm - 12:59 amEYW  Key West-SFO San Francisco
10h 07m1 stop Chicago O'Hare Intl
$490United Airlines
Booking Insights

Price, demand and travel trends for San Francisco to Key West flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from San Francisco to Key West?

Round-trip flights from San Francisco to Key West typically range from $453 to $761. The lowest price found in the past 5 days was $321, on American Airlines.

What's the cheapest day of the week to fly from San Francisco to Key West?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from San Francisco to Key West. It’s 13% cheaper than the average day, while Sunday is the most expensive, with prices 29% higher.

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

•August is the cheapest month to fly from San Francisco to Key West at $329 round-trip.
•December ($885) and November ($776) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 168% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from San Francisco to Key West are cheapest 19 weeks before departure. Booking in this window typically costs about 61% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for San Francisco to Key West flights

Low season

September

Cheapest flight

$181
Beat the crowds with an average 69% drop in travelers.
The most popular month to fly with an average 53% increase in travelers.
One-way flight from San Francisco to Key West

When to book flights from San Francisco to Key West

Are your dates flexible? Find out the best times to travel from San Francisco to Key West based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your San Francisco to Key West flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from San Francisco to Key West?

    Two cabin classes are available on flights from San Francisco to Key West:

    • Economy Class
    • First Class

  • How long is a flight from San Francisco to Key West?

    A nonstop flight from San Francisco to Key West takes 00m, covering 2,542 miles.

  • Do I need a passport to fly from San Francisco to Key West?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a San Francisco to Key West flight?

    Round-trip flights from San Francisco to Key West range from $453 to $761, with an average of $584 over the past 12 months. Anything below $453 counts as a good deal.

  • How expensive are last-minute San Francisco to Key West flights?

    Last-minute fares on this route (booked within two weeks of departure) run 44% above the $584 route average. Book 19 weeks before departure for the lowest fares.

  • Have flight prices from San Francisco to Key West changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $321 to $2,961. That means the highest observed fare was about 9x higher than the lowest one.

  • How are flight prices from San Francisco to Key West looking right now?

    One-way fares from San Francisco to Key West are currently in line with typical prices for this route. Average one-way fares are about $334.

  • What car rental options are available at Key West Airport (EYW)?

    Key West Airport (EYW) hosts 5 major car rental companies, with daily rates starting from around $29 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Enterprise Rent-A-Car
    • Alamo

  • Which airports can I use when flying from San Francisco to Key West?

    Flights from San Francisco to Key West usually depart from San Francisco (SFO) and arrive at Key West (EYW).

  • Which airports do connecting flights from San Francisco to Key West pass through?

    One-stop flights from San Francisco to Key West most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 35% of one-stop connections
    • Miami (MIA) - 24% of one-stop connections
    • Dallas/Fort Worth (DFW) - 18% of one-stop connections
    • Charlotte Douglas (CLT) - 13% of one-stop connections

  • Can I save money by using flexible dates for flights from San Francisco to Key West?

    Yes. Flexible dates can save you up to 33% on flights from San Francisco to Key West. Wednesday is the cheapest departure day at $509 round-trip on average, while Sunday is the most expensive at $758, a difference of $249.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from San Francisco to Key West?

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 8h 02m, compared with 8h 33m via Miami (MIA) and 9h 08m via Atlanta Hartsfield-Jackson (ATL).

  • What is the time difference between San Francisco and Key West?

    Key West is 3 hours ahead of San Francisco (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Key West?

    Some of the most popular sights in Key West are Duval Street, Key West Historic District and Mallory Square. These are among the most viewed places in Key West on KAYAK.

Your guide to booking San Francisco to Key West flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Sunday. On this route, Wednesday flights average $509, about $249 less than Sunday fares (33% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 19 weeks before you fly. On this route, that window historically saves about 61% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Francisco to Key West trip for August. Fares historically average $329 round-trip in that month - typically $556 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Key West Airport.

    • Parrot Key Hotel & Villas
    • Havana Cabana at Key West
    • DoubleTree by Hilton Hotel Grand Key - Key West

More options for your flight from San Francisco to Key West

Complete your trip to Key West with a hotel stay or car rental

Car rentals in Key West
Hotels in Key West
Vacations in Key West