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Cheap flights from San Antonio to Key West from $168

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Antonio to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:04 am - 12:43 pmSAT  San Antonio-EYW Key West
5h 39m1 stop Charlotte Douglas
American Airlines Logo
6:01 pm - 11:50 pmEYW  Key West-SAT San Antonio
6h 49m1 stop Miami
$383American Airlines
Tue, Jan 5 - Sat, Jan 9
American Airlines Logo
6:04 am - 4:06 pmSAT  San Antonio-EYW Key West
9h 02m1 stop Charlotte Douglas
American Airlines Logo
6:01 pm - 11:50 pmEYW  Key West-SAT San Antonio
6h 49m1 stop Miami
$395American Airlines
Mon, Jan 4 - Sat, Jan 9
Delta Logo
10:45 am - 7:43 pmSAT  San Antonio-EYW Key West
7h 58m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 pm - 10:27 pmEYW  Key West-SAT San Antonio
5h 27m1 stop Atlanta Hartsfield-Jackson
$395Delta
Thu, Apr 1 - Tue, Apr 6
American Airlines Logo
8:53 am - 5:54 pmSAT  San Antonio-EYW Key West
8h 01m1 stop Charlotte Douglas
American Airlines Logo
6:01 pm - 11:50 pmEYW  Key West-SAT San Antonio
6h 49m1 stop Miami
$395American Airlines
Mon, Jan 25 - Sat, Jan 30
Multiple Airlines Logo
1:34 pm - 10:19 amSAT  San Antonio-EYW Key West
19h 45m2 stops Las Vegas Harry Reid Intl Orlando
Multiple Airlines Logo
5:20 pm - 12:32 pmEYW  Key West-SAT San Antonio
20h 12m1 stop Orlando Sanford Intl
$401Multiple Airlines
Thu, Dec 24 - Tue, Dec 29
Multiple Airlines Logo
11:55 am - 10:19 amSAT  San Antonio-EYW Key West
21h 24m1 stop Orlando
Multiple Airlines Logo
8:36 pm - 12:18 pmEYW  Key West-SAT San Antonio
16h 42m2 stops Orlando Sanford Intl Memphis
$402Multiple Airlines
Mon, Feb 22 - Thu, Feb 25
Delta Logo
2:19 pm - 8:48 pmSAT  San Antonio-EYW Key West
5h 29m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:49 pm - 10:17 pmEYW  Key West-SAT San Antonio
8h 28m1 stop Atlanta Hartsfield-Jackson
$407Delta
Thu, Feb 18 - Thu, Feb 25
Multiple Airlines Logo
11:55 am - 10:19 amSAT  San Antonio-EYW Key West
21h 24m1 stop Orlando
Multiple Airlines Logo
12:19 pm - 9:10 amEYW  Key West-SAT San Antonio
21h 51m2 stops Tampa Raleigh-Durham
$408Multiple Airlines
Mon, Jan 25 - Sat, Jan 30
Delta Logo
10:45 am - 7:43 pmSAT  San Antonio-EYW Key West
7h 58m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 pm - 10:27 pmEYW  Key West-SAT San Antonio
5h 27m1 stop Atlanta Hartsfield-Jackson
$421Delta
Thu, Apr 1 - Tue, Apr 6
Delta Logo
12:15 pm - 7:43 pmSAT  San Antonio-EYW Key West
6h 28m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 pm - 12:28 amEYW  Key West-SAT San Antonio
7h 28m1 stop Atlanta Hartsfield-Jackson
$433Delta
Fri, Apr 16 - Sat, Apr 24

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American Airlines flights from San Antonio to Key West

Our best American Airlines deals on San Antonio to Key West flight tickets
American Airlines
Jan 5
SAT6:04 amSan Antonio
5h 39m
1 stop
EYW12:43 pmKey West
Jan 9
EYW6:01 pmKey West
6h 49m
1 stop
SAT11:50 pmSan Antonio
$383
American Airlines
Jan 4
SAT6:04 amSan Antonio
9h 02m
1 stop
EYW4:06 pmKey West
Jan 9
EYW6:01 pmKey West
6h 49m
1 stop
SAT11:50 pmSan Antonio
$395
American Airlines
Dec 9
SAT9:18 amSan Antonio
7h 26m
1 stop
EYW5:44 pmKey West
Dec 16
EYW6:35 pmKey West
5h 08m
1 stop
SAT10:43 pmSan Antonio
$427

United Airlines flights from San Antonio to Key West

Our best United Airlines deals on San Antonio to Key West flight tickets
United Airlines
Mar 11
SAT10:00 amSan Antonio
4h 55m
1 stop
EYW3:55 pmKey West
Mar 15
EYW4:45 pmKey West
5h 28m
1 stop
SAT9:13 pmSan Antonio
$432
United Airlines
Mar 12
SAT7:30 amSan Antonio
7h 25m
1 stop
EYW3:55 pmKey West
Mar 15
EYW4:45 pmKey West
5h 28m
1 stop
SAT9:13 pmSan Antonio
$680
United Airlines
Nov 23
SAT5:34 pmSan Antonio
19h 18m
3 stops
EYW1:52 pmKey West
Nov 27
EYW9:00 amKey West
8h 49m
1 stop
SAT4:49 pmSan Antonio
$1,274

momondo Fare Finder

 
Use the filters below to find and compare flights from San Antonio to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San AntonioKey West

SAT San Antonio - EYW Key West

SATEYW

San Antonio

Tue 1/5

6:04 am-12:43 pm

1 stop5h 39m

Key West

Sat 1/9

6:01 pm-11:50 pm

1 stop6h 49m

$383

San AntonioKey West

SAT San Antonio - EYW Key West

SATEYW

San Antonio

Mon 1/4

6:04 am-4:06 pm

1 stop9h 02m

Key West

Sat 1/9

6:01 pm-11:50 pm

1 stop6h 49m

$395

San AntonioKey West

SAT San Antonio - EYW Key West

SATEYW

San Antonio

Thu 4/1

10:45 am-7:43 pm

1 stop7h 58m

Key West

Tue 4/6

6:00 pm-10:27 pm

1 stop5h 27m

$395

San AntonioKey West

SAT San Antonio - EYW Key West

SATEYW

San Antonio

Mon 1/25

8:53 am-5:54 pm

1 stop8h 01m

Key West

Sat 1/30

6:01 pm-11:50 pm

1 stop6h 49m

$395

San AntonioKey West

SAT San Antonio - EYW Key West

SATEYW

San Antonio

Thu 12/24

1:34 pm-10:19 am

2 stops19h 45m

Key West

Tue 12/29

5:20 pm-12:32 pm

1 stop20h 12m

$401

San AntonioKey West

SAT San Antonio - EYW Key West

SATEYW

San Antonio

Mon 2/22

11:55 am-10:19 am

1 stop21h 24m

Key West

Thu 2/25

8:36 pm-12:18 pm

2 stops16h 42m

$402

San AntonioKey West

SAT San Antonio - EYW Key West

SATEYW

San Antonio

Thu 2/18

2:19 pm-8:48 pm

1 stop5h 29m

Key West

Thu 2/25

2:49 pm-10:17 pm

1 stop8h 28m

$407

San AntonioKey West

SAT San Antonio - EYW Key West

SATEYW

San Antonio

Mon 1/25

11:55 am-10:19 am

1 stop21h 24m

Key West

Sat 1/30

12:19 pm-9:10 am

2 stops21h 51m

$408

San AntonioKey West

SAT San Antonio - EYW Key West

SATEYW

San Antonio

Thu 4/1

10:45 am-7:43 pm

1 stop7h 58m

Key West

Tue 4/6

6:00 pm-10:27 pm

1 stop5h 27m

$421

San AntonioKey West

SAT San Antonio - EYW Key West

SATEYW

San Antonio

Fri 4/16

12:15 pm-7:43 pm

1 stop6h 28m

Key West

Sat 4/24

6:00 pm-12:28 am

1 stop7h 28m

$433

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

See travel insights to Key West from

How to get the cheapest flight ticket from San Antonio to Key West

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between San Antonio and Key West?

Prices are currently low for flights on this route.

Typical prices usually range from $408 to $742.
The lowest price recently found on this route was $383.

What is the cheapest month to fly to Key West?

In general, April is the cheapest month to fly from San Antonio to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $258. If you are unable to visit Key West during the month of April, then departing from San Antonio during the month September is also very affordable. Most momondo users find prices during this month for around $328.

When to book flights from San Antonio to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Key West according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Antonio to Key West (SAT to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Key West

Best Price Found

$168

Fastest flight time

4h 55m

Direct flights

None
The best one-way flight to Key West from San Antonio in the past 72 hours is $168. The best round-trip flight deal from San Antonio to Key West found on momondo in the last 72 hours is $383.
The fastest flight from San Antonio to Key West takes 4h 55m
There are no direct flights from San Antonio to Key West. There are no popular flight routes from San Antonio to Key West.
Search flight deals

Frequently asked questions about flying from San Antonio to Key West

  • How far is San Antonio to Key West by plane?

    There are 1079.4 mi between San Antonio and Key West. Typically, this will take 4h 55m by plane in normal conditions.

  • When did momondo last update prices for flights from San Antonio Airport to Key West Airport?

    Prices for flights from San Antonio Airport to Key West Airport are updated daily.

  • How many operators does momondo search for flights from San Antonio Airport to Key West Airport?

  • How old do you have to be to fly from San Antonio Airport to Key West Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

    The travel and health documents you'll need for your trip to Key West Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Key West Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San Antonio to Key West?

Best airlines flying from San Antonio to Key West

Compare and see reviews for airlines that fly from San Antonio to Key West with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $237Free CancellationRating
7.0
12,224 reviews
Search American Airlines flights
DeltaPriceFrom $288Free CancellationRating
7.8
8,706 reviews
Search Delta flights

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Key West?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Antonio to Key West for you.

Can I find flights from San Antonio to Key West with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Key West from San Antonio with this policy.

How can momondo help me find flights from San Antonio to Key West?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Antonio to Key West.

I’m not ready to book a flight from San Antonio to Key West right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Antonio to Key West flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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