SAT - EYW

$253 Find Cheap Flights from San Antonio 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
$329
Typical prices: $338-$676
Delta
Sun 9/23Sat 9/29
SAT - EYW • 1 stop
Cheapest one-way
$253
Typical prices: $309-$459
Multiple Airlines
Thu 1/4
SAT - EYW • 1 stop
Nonstop flights
Not available
There are currently no direct flights between San Antonio and Key West. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
April
Cheapest • 38% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Chicago O'Hare Intl (ORD)
Cheapest • Avg $258 (round-trip)
Dallas/Fort Worth (DFW)
Shortest trip • 5h 32m (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 Antonio to Key West (SAT-EYW)

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

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

Wed, Sep 23 - Tue, Sep 29
Delta Logo
1:55 pm - 8:00 pmSAT  San Antonio-EYW Key West
5h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:19 pm - 12:08 amEYW  Key West-SAT San Antonio
6h 49m1 stop Atlanta Hartsfield-Jackson
$329Delta
Tue, Feb 9 - Sun, Feb 14
American Airlines Logo
8:00 am - 4:54 pmSAT  San Antonio-EYW Key West
7h 54m1 stop Dallas/Fort Worth
American Airlines Logo
4:02 pm - 11:26 pmEYW  Key West-SAT San Antonio
8h 24m1 stop Miami
$329American Airlines
Mon, Dec 7 - Sat, Dec 12
American Airlines Logo
9:22 am - 4:55 pmSAT  San Antonio-EYW Key West
6h 33m1 stop Dallas/Fort Worth
American Airlines Logo
4:56 pm - 10:24 pmEYW  Key West-SAT San Antonio
6h 28m1 stop Miami
$329American Airlines
Thu, Jan 21 - Sun, Jan 24
American Airlines Logo
5:10 pm - 11:56 pmSAT  San Antonio-EYW Key West
5h 46m1 stop Miami
American Airlines Logo
7:45 pm - 11:59 pmEYW  Key West-SAT San Antonio
5h 14m1 stop Miami
$329American Airlines
Fri, Sep 11 - Tue, Sep 15
Delta Logo
5:30 am - 12:53 pmSAT  San Antonio-EYW Key West
6h 23m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:19 pm - 12:08 amEYW  Key West-SAT San Antonio
6h 49m1 stop Atlanta Hartsfield-Jackson
$354Delta
Sat, Sep 5 - Wed, Sep 9
Delta Logo
10:48 am - 7:57 pmSAT  San Antonio-EYW Key West
8h 09m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:19 pm - 12:08 amEYW  Key West-SAT San Antonio
6h 49m1 stop Atlanta Hartsfield-Jackson
$379Delta
Tue, Sep 8 - Sat, Sep 12
Delta Logo
6:35 am - 12:53 pmSAT  San Antonio-EYW Key West
5h 18m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:40 am - 12:49 pmEYW  Key West-SAT San Antonio
6h 09m1 stop Atlanta Hartsfield-Jackson
$379Delta
Sat, Sep 5 - Wed, Sep 9
Multiple Airlines Logo
9:51 am - 11:25 amSAT  San Antonio-EYW Key West
24h 34m1 stop Orlando
Multiple Airlines Logo
10:04 am - 8:45 amEYW  Key West-SAT San Antonio
23h 41m2 stops Tampa Raleigh-Durham
$380Multiple Airlines
Thu, Oct 29 - Sun, Nov 1
Multiple Airlines Logo
9:25 am - 10:19 amSAT  San Antonio-EYW Key West
23h 54m2 stops Raleigh-Durham Orlando
Multiple Airlines Logo
10:59 am - 9:18 amEYW  Key West-SAT San Antonio
23h 19m1 stop Orlando
$398Multiple Airlines
Mon, Dec 7 - Fri, Dec 11
Multiple Airlines Logo
9:07 pm - 10:19 amSAT  San Antonio-EYW Key West
12h 12m1 stop Orlando
Multiple Airlines Logo
10:59 am - 11:05 amEYW  Key West-SAT San Antonio
25h 06m2 stops Orlando Denver Intl
$401Multiple Airlines
Booking Insights

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

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

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

Round-trip flights from San Antonio to Key West start at $329. Prices are below average for this route right now, with typical round-trip fares ranging from $338 to $676. The lowest price found in the past 5 days was $329 on Delta.

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

Tuesday is the cheapest day of the week to fly from San Antonio to Key West, it is 3% cheaper than the average day. Wednesday is the most expensive day with flight prices 12% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • April is the cheapest month to fly from San Antonio to Key West at $258 round-trip.
  • December ($731) and February ($676) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 183% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for San Antonio to Key West flights

Low season

September

Cheapest flight

$253
Best time to beat the crowds with an average 21% drop in price.
Most popular time to fly with an average 13% increase in price.
Flight from San Antonio to Key West

When to book flights from San Antonio to Key West

Are your dates flexible? Find out the best times to travel from San Antonio 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 Antonio to Key West flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

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

    Flights from San Antonio to Key West usually depart from San Antonio (SAT) and arrive at Key West (EYW).

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

    Only Economy Class is available on flights from San Antonio to Key West.

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

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

    • Atlanta Hartsfield-Jackson (ATL) - 47% of one-stop connections
    • Miami (MIA) - 40% of one-stop connections
    • Dallas/Fort Worth (DFW) - 9% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 4% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 14% on the San Antonio to Key West route. Tuesday is the cheapest departure day at $405 round-trip on average, while Wednesday is the most expensive at $470, a difference of $65. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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.

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

    A nonstop flight from San Antonio to Key West takes 0h 00m, covering 1,082 miles.

  • Do I need a passport to fly from San Antonio 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 are flight prices from San Antonio to Key West looking right now?

    One-way fares from San Antonio to Key West are currently higher than usual. Average one-way flight prices are about $460, which is 44% above the typical average for this route.

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

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 5h 32m, compared with 5h 33m via Miami (MIA) and 6h 21m via Atlanta Hartsfield-Jackson (ATL).

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

    Key West is 1 hour ahead of San Antonio (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • 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

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

    Round-trip flights from San Antonio to Key West range from $338 to $676, with an average of $417 over the past 12 months. Anything below $338 counts as a good deal.

Your guide to booking San Antonio to Key West flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Wednesday. On this route, Tuesday flights average $405 - about $65 less than Wednesday (14% savings) based on the last 12 months.
  • If you can choose when to travel, plan your San Antonio to Key West trip for April. Fares historically average $258 round-trip in that month - typically $473 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.
    - Havana Cabana at Key West
    - Fairfield Inn & Suites by Marriott Key West at The Keys Collection
    - Parrot Key Hotel & Villas

Everything you need to know for your flight from San Antonio to Key West

Information on your arrival and departure airports

San Antonio (SAT)
Key West (EYW)