EYW - SFO

$170 Find Cheap Flights from Key West to San Francisco - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 26% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$533
Typical prices: $369-$843
American Airlines
Sat 11/24Wed 11/28
EYW - SFO • 1 stop
Cheapest one-way
$170
Typical prices: $199-$544
Multiple Airlines
Sat 12/15
EYW - SFO • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Key West and San Francisco. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
August
Cheapest • 34% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Atlanta Hartsfield-Jackson (ATL)
Cheapest • Avg $350 (round-trip)
Dallas/Fort Worth (DFW)
Shortest trip • 8h 31m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to San Francisco!
Flight Deals
Booking Insights
Flight Deals

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

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

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

Fri, Dec 4 - Mon, Dec 7
United Airlines Logo
12:05 pm - 6:54 pmEYW  Key West-SFO San Francisco
9h 49m1 stop Chicago O'Hare Intl
United Airlines Logo
11:40 pm - 11:24 amSFO  San Francisco-EYW Key West
8h 44m1 stop Chicago O'Hare Intl
$539United Airlines
Fri, Dec 4 - Mon, Dec 7
United Airlines Logo
12:05 pm - 6:54 pmEYW  Key West-SFO San Francisco
9h 49m1 stop Chicago O'Hare Intl
United Airlines Logo
11:40 pm - 11:24 amSFO  San Francisco-EYW Key West
8h 44m1 stop Chicago O'Hare Intl
$549United Airlines
Fri, Dec 4 - Mon, Dec 7
United Airlines Logo
12:05 pm - 6:54 pmEYW  Key West-SFO San Francisco
9h 49m1 stop Chicago O'Hare Intl
United Airlines Logo
1:59 pm - 11:24 amSFO  San Francisco-EYW Key West
18h 25m2 stops Los Angeles Chicago O'Hare Intl
$623United Airlines
Fri, Dec 4 - Mon, Dec 7
United Airlines Logo
12:05 pm - 5:47 pmEYW  Key West-SFO San Francisco
32h 42m2 stops Chicago O'Hare Intl Ontario
United Airlines Logo
10:50 pm - 2:36 pmSFO  San Francisco-EYW Key West
12h 46m1 stop Newark
$658United Airlines
Fri, Dec 4 - Mon, Dec 7
United Airlines Logo
12:05 pm - 12:50 pmEYW  Key West-SFO San Francisco
27h 45m2 stops Chicago O'Hare Intl Ontario
United Airlines Logo
11:40 pm - 11:24 amSFO  San Francisco-EYW Key West
8h 44m1 stop Chicago O'Hare Intl
$658United Airlines
Fri, Dec 4 - Mon, Dec 7
United Airlines Logo
12:05 pm - 7:31 amEYW  Key West-SFO San Francisco
22h 26m2 stops Chicago O'Hare Intl Los Angeles
United Airlines Logo
4:25 pm - 11:24 amSFO  San Francisco-EYW Key West
15h 59m2 stops Los Angeles Chicago O'Hare Intl
$726United Airlines
Booking Insights

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

Round-trip flights from Key West to San Francisco typically range from $369 to $843. The lowest price found in the past 5 days was $533, on American Airlines.

Find deals

Key details for Key West to San Francisco flights

Low season

March

Cheapest flight

$170
Beat the crowds with an average 81% drop in travelers.
The most popular month to fly with an average 33% increase in travelers.
One-way flight from Key West to San Francisco

When to book flights from Key West to San Francisco

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

Your Key West to San Francisco 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 Key West to San Francisco?

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

    • Economy Class
    • Business Class

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

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

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

    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 Key West to San Francisco flight?

    Round-trip flights from Key West to San Francisco range from $369 to $843, with an average of $529 over the past 12 months. Anything below $369 counts as a good deal.

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

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $533 to $726. That means the highest observed fare was about 36% higher than the lowest one.

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

    One-way fares from Key West to San Francisco are currently lower than usual. Average one-way flight prices are about $281, which is 18% below the typical average for this route.

  • What car rental options are available at San Francisco Airport (SFO)?

    San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates averaging $63 for economy cars. Top options include:

    • Europcar
    • Thrifty
    • Dollar
    • Hertz
    • Fox

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

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

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

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

    • Dallas/Fort Worth (DFW) - 57% of one-stop connections
    • Miami (MIA) - 36% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 7% of one-stop connections

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

    Yes. Flexible dates can save you up to 58% on flights from Key West to San Francisco. Tuesday is the cheapest departure day at $419 round-trip on average, while Monday is the most expensive at $980, a difference of $561.

    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 Key West to San Francisco?

    Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 8h 29m, compared with 8h 31m via Dallas/Fort Worth (DFW) and 8h 50m via Miami (MIA).

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

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

  • What popular places can I visit in San Francisco?

    Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

Your guide to booking Key West to San Francisco 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 Tuesday departure and avoid flying on Monday. On this route, Tuesday flights average $419, about $561 less than Monday fares (57% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Key West to San Francisco trip for August. Fares historically average $350 round-trip in that month - typically $630 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Francisco Airport.

    • Grand Hyatt At Sfo

More options for your flight from Key West to San Francisco

Complete your trip to San Francisco with a hotel stay or car rental

Car rentals in San Francisco
Hotels in San Francisco
Vacations in San Francisco