$66+ Cheap flights from San Antonio (SAT) to Florida Keys
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — EYW
Mar 11 — Mar 181
1 adult, Economy
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Find cheap flights from San Antonio to Florida Keys with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from San Antonio to Florida KeysExplore the most affordable flight options available from San Antonio to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 9, 2026.
Explore the most affordable flight options available from San Antonio to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 9, 2026.
This Frontier deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/278:22 pm
SAT
- MIA
1 stop7h 52m
Frontier
Thu 3/56:45 am
MIA
- SAT
1 stop13h 45m
Frontier
Deal found 2/8![Frontier logo]()
$210
This CheapOair deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/106:00 pm
SAT
- MIA
1 stop5h 49m
Frontier
Sun 4/125:50 am
MIA
- SAT
1 stop19h 29m
Frontier
Deal found 2/6![Frontier logo]()
$212
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:20 am
SAT
- MIA
1 stop6h 52m
Delta
Wed 4/292:45 pm
MIA
- SAT
1 stop7h 45m
Delta
Deal found 2/8![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/181:00 pm
SAT
- MIA
1 stop9h 24m
Delta
Wed 3/256:00 am
MIA
- SAT
1 stop7h 42m
Delta
Deal found 2/6![Delta logo]()
$219
This Frontier deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:12 pm
SAT
- MIA
1 stop10h 02m
Frontier
Mon 3/25:05 am
MIA
- SAT
1 stop12h 15m
Frontier
Deal found 2/7![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/93:36 pm
SAT
- MIA
1 stop20h 30m
Frontier
Tue 3/175:50 am
MIA
- SAT
1 stop19h 27m
Frontier
Deal found 2/7![Frontier logo]()
$228
This Delta deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:30 am
SAT
- EYW
1 stop7h 54m
Delta
Fri 8/287:00 am
EYW
- SAT
1 stop7h 07m
Delta
Deal found 2/5![Delta logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/93:36 pm
SAT
- MIA
1 stop20h 30m
Multiple Airlines
Tue 3/173:12 pm
MIA
- SAT
2 stops19h 15m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$231
This Frontier deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:20 pm
SAT
- MIA
1 stop7h 54m
Frontier
Wed 3/46:25 am
MIA
- SAT
1 stop11h 50m
Frontier
Deal found 2/7![Frontier logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/78:53 pm
SAT
- MIA
2 stops13h 23m
Multiple Airlines
Tue 3/105:50 am
MIA
- SAT
1 stop19h 27m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2110:26 am
SAT
- MIA
2 stops13h 16m
Multiple Airlines
Sun 3/15:05 am
MIA
- SAT
1 stop12h 14m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2510:26 am
SAT
- EYW
1 stop23h 51m
Multiple Airlines
Thu 4/309:46 am
EYW
- SAT
1 stop13h 43m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$240
Best flights from San Antonio to Florida KeysDiscover carefully curated flight deals from San Antonio to Florida Keys that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 9, 2026.
Discover carefully curated flight deals from San Antonio to Florida Keys that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 9, 2026.
This Delta deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:20 am
SAT
- MIA
1 stop5h 51m
Delta
Wed 4/292:45 pm
MIA
- SAT
1 stop7h 45m
Delta
Deal found 2/7![Delta logo]()
$217
This Frontier deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/275:04 pm
SAT
- MIA
1 stop6h 38m
Frontier
Thu 3/56:45 am
MIA
- SAT
1 stop13h 45m
Frontier
Deal found 2/5![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/510:26 am
SAT
- MIA
2 stops12h 40m
Multiple Airlines
Tue 3/105:50 am
MIA
- SAT
1 stop19h 27m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$246
This Mytrip deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2510:22 am
SAT
- MIA
2 stops8h 45m
Spirit Airlines
Tue 3/313:12 pm
MIA
- SAT
2 stops19h 15m
Spirit Airlines
Deal found 2/6![Spirit Airlines logo]()
$251
This Southwest deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/255:35 am
SAT
- MIA
2 stops8h 20m
Southwest
Tue 3/315:35 pm
MIA
- SAT
1 stop5h 15m
Southwest
Deal found 2/6![Southwest logo]()
$296
This American Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/211:09 pm
SAT
- EYW
1 stop8h 28m
American Airlines
Wed 2/251:55 pm
EYW
- SAT
2 stops11h 00m
American Airlines
Deal found 2/5![American Airlines logo]()
$350
This United Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:49 am
SAT
- EYW
1 stop7h 02m
United Airlines
Tue 4/213:47 pm
EYW
- SAT
1 stop8h 06m
United Airlines
Deal found 2/6![United Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:20 am
SAT
- MIA
1 stop7h 52m
Delta
Wed 4/298:04 am
MIA
- SAT
1 stop8h 45m
Delta
Deal found 2/7![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/181:00 pm
SAT
- MIA
1 stop9h 24m
Delta
Wed 3/256:00 am
MIA
- SAT
1 stop7h 42m
Delta
Deal found 2/6![Delta logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:14 pm
SAT
- EYW
1 stop15h 12m
Multiple Airlines
Thu 2/269:46 am
EYW
- SAT
2 stops31h 29m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$277
This Frontier deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:14 pm
SAT
- MIA
1 stop12h 51m
Frontier
Mon 5/185:50 am
MIA
- SAT
1 stop9h 29m
Frontier
Deal found 2/8![Frontier logo]()
$282
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:20 am
SAT
- MIA
1 stop5h 51m
Delta
Tue 4/288:04 am
MIA
- SAT
1 stop8h 45m
Delta
Deal found 2/8![Delta logo]()
$248
This CheapOair deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:45 am
SAT
- MIA
1 stop22h 04m
Frontier
Sun 4/125:50 am
MIA
- SAT
1 stop19h 29m
Frontier
Deal found 2/8![Frontier logo]()
$293
This Delta deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:52 am
SAT
- MIA
1 stop6h 39m
Delta
Sat 5/166:00 am
MIA
- SAT
1 stop8h 32m
Delta
Deal found 2/6![Delta logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:00 am
SAT
- EYW
1 stop5h 26m
Multiple Airlines
Tue 4/211:01 pm
EYW
- SAT
2 stops26h 18m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$341
This American Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:20 am
SAT
- EYW
1 stop7h 37m
American Airlines
Sat 2/287:36 pm
EYW
- SAT
1 stop5h 23m
American Airlines
Deal found 2/6![American Airlines logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/82:13 pm
SAT
- EYW
1 stop21h 13m
Multiple Airlines
Sun 3/1510:33 pm
EYW
- SAT
2 stops35h 54m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:49 am
SAT
- EYW
1 stop7h 02m
United Airlines
Fri 5/14:47 pm
EYW
- SAT
2 stops29h 02m
United Airlines
Deal found 2/8![United Airlines logo]()
$479
This American Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:00 am
SAT
- EYW
1 stop7h 52m
American Airlines
Sun 7/122:22 pm
EYW
- SAT
1 stop7h 45m
American Airlines
Deal found 2/7![American Airlines logo]()
$451
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1410:26 am
SAT
- EYW
2 stops24h 04m
Multiple Airlines
Sun 5/1712:15 pm
EYW
- SAT
1 stop22h 15m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$388
This American Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/251:32 pm
SAT
- EYW
2 stops8h 26m
American Airlines
Thu 4/303:58 pm
EYW
- SAT
2 stops8h 01m
American Airlines
Deal found 2/8![American Airlines logo]()
$467
Last-minute flights from San Antonio to Florida KeysDiscover last-minute flight deals from San Antonio to Florida Keys. Data last updated February 9, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Florida Keys. Data last updated February 9, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/165:04 pm
SAT
- MIA
1 stop6h 38m
Frontier
Wed 2/186:25 am
MIA
- SAT
1 stop11h 50m
Frontier
Deal found 2/6![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2110:26 am
SAT
- MIA
2 stops13h 16m
Multiple Airlines
Sun 3/15:05 am
MIA
- SAT
1 stop12h 14m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:14 pm
SAT
- EYW
1 stop15h 12m
Multiple Airlines
Thu 2/269:46 am
EYW
- SAT
1 stop15h 13m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$274
This Mytrip deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2410:26 am
SAT
- MIA
2 stops24h 50m
Spirit Airlines
Sat 2/287:05 am
MIA
- SAT
2 stops17h 54m
Spirit Airlines
Deal found 2/8![Spirit Airlines logo]()
$241
This Frontier deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:12 pm
SAT
- MIA
1 stop10h 02m
Frontier
Mon 3/25:05 am
MIA
- SAT
1 stop12h 15m
Frontier
Deal found 2/7![Frontier logo]()
$222
This Frontier deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:20 pm
SAT
- MIA
1 stop7h 54m
Frontier
Wed 3/46:25 am
MIA
- SAT
1 stop11h 50m
Frontier
Deal found 2/7![Frontier logo]()
$235
This Frontier deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/278:22 pm
SAT
- MIA
1 stop7h 52m
Frontier
Thu 3/56:45 am
MIA
- SAT
1 stop13h 45m
Frontier
Deal found 2/8![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/78:53 pm
SAT
- MIA
2 stops13h 23m
Multiple Airlines
Tue 3/105:50 am
MIA
- SAT
1 stop19h 27m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/93:36 pm
SAT
- MIA
1 stop20h 30m
Frontier
Tue 3/175:50 am
MIA
- SAT
1 stop19h 27m
Frontier
Deal found 2/7![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/93:36 pm
SAT
- MIA
1 stop20h 30m
Multiple Airlines
Tue 3/173:12 pm
MIA
- SAT
2 stops19h 15m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/132:40 pm
SAT
- MIA
2 stops33h 07m
Frontier
Tue 3/175:50 am
MIA
- SAT
1 stop19h 27m
Frontier
Deal found 2/5![Frontier logo]()
$245
This Delta deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/181:00 pm
SAT
- MIA
1 stop9h 24m
Delta
Wed 3/256:00 am
MIA
- SAT
1 stop7h 42m
Delta
Deal found 2/6![Delta logo]()
$219
One-way flights from San Antonio to Florida KeysSearch for one-way flight options from San Antonio to Florida Keys. Find affordable one-way fares based on user searches. Data last updated February 9, 2026.
Search for one-way flight options from San Antonio to Florida Keys. Find affordable one-way fares based on user searches. Data last updated February 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:34 pm
SAT
- MIA
1 stop12h 31m
Frontier
Deal found 2/8![Frontier logo]()
$66
This Trip.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:14 pm
SAT
- MIA
1 stop12h 51m
Frontier
Deal found 2/8![Frontier logo]()
$71
This Trip.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/225:04 pm
SAT
- MIA
1 stop6h 38m
Frontier
Deal found 2/7![Frontier logo]()
$72
This Priceline deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:22 pm
SAT
- MIA
1 stop7h 52m
Frontier
Deal found 2/7![Frontier logo]()
$74
This Trip.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/15:04 pm
SAT
- MIA
1 stop6h 38m
Frontier
Deal found 2/6![Frontier logo]()
$75
This Mytrip deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:26 am
SAT
- MIA
2 stops24h 50m
Spirit Airlines
Deal found 2/8![Spirit Airlines logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/223:14 pm
SAT
- MIA
1 stop12h 51m
Frontier
Deal found 2/7![Frontier logo]()
$78
This Trip.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/410:26 am
SAT
- MIA
2 stops13h 16m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/163:34 pm
SAT
- MIA
1 stop12h 31m
Frontier
Deal found 2/8![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/275:04 pm
SAT
- EYW
2 stops39h 02m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2610:26 am
SAT
- EYW
2 stops27h 19m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/122:13 pm
SAT
- EYW
1 stop21h 13m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$171
Find flight deals from San Antonio to Florida Keys
Keep the following information in mind while searching for San Antonio to Florida Keys flight deals. Data was last updated February 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $210 (Frontier) |
One-way from | $66 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $390 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio to Florida Keys that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 9, 2026.
Use the filters below to find and compare flights from San Antonio to Florida Keys that are best for you.
Fly from
San Antonio
Fly to
Florida Keys
Route
Depart
Return
Price
San AntonioMiami
SAT - MIA
SATMIA
San Antonio
Wed 4/22
5:20 am-12:11 pm
1 stop5h 51m
Miami
Wed 4/29
2:45 pm-9:30 pm
1 stop7h 45m
$217
San AntonioMiami
SAT - MIA
SATMIA
San Antonio
Tue 4/21
5:20 am-2:12 pm
1 stop7h 52m
Miami
Wed 4/29
8:04 am-3:49 pm
1 stop8h 45m
$217
San AntonioMiami
SAT - MIA
SATMIA
San Antonio
Wed 3/18
1:00 pm-11:24 pm
1 stop9h 24m
Miami
Wed 3/25
6:00 am-12:42 pm
1 stop7h 42m
$219
San AntonioMiami
SAT - MIA
SATMIA
San Antonio
Fri 2/27
5:04 pm-12:42 am
1 stop6h 38m
Miami
Thu 3/5
6:45 am-7:30 pm
1 stop13h 45m
$234
San AntonioMiami
SAT - MIA
SATMIA
San Antonio
Thu 3/5
10:26 am-12:06 am
2 stops12h 40m
Miami
Tue 3/10
5:50 am-12:17 am
1 stop19h 27m
$246
San AntonioMiami
SAT - MIA
SATMIA
San Antonio
Sat 4/25
5:20 am-12:11 pm
1 stop5h 51m
Miami
Tue 4/28
8:04 am-3:49 pm
1 stop8h 45m
$248
San AntonioMiami
SAT - MIA
SATMIA
San Antonio
Wed 3/25
10:22 am-8:07 pm
2 stops8h 45m
Miami
Tue 3/31
3:12 pm-9:27 am
2 stops19h 15m
$251
San AntonioMiami
SAT - MIA
SATMIA
San Antonio
Tue 5/12
10:52 am-6:31 pm
1 stop6h 39m
Miami
Sat 5/16
6:00 am-1:32 pm
1 stop8h 32m
$269
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Sun 2/22
8:14 pm-12:26 pm
1 stop15h 12m
Key West
Thu 2/26
9:46 am-4:15 pm
2 stops31h 29m
$277
San AntonioMiami
SAT - MIA
SATMIA
San Antonio
Fri 5/15
3:14 pm-5:05 am
1 stop12h 51m
Miami
Mon 5/18
5:50 am-2:19 pm
1 stop9h 29m
$282
Showing 1-10 of 35 results
Best time to book a flight from San Antonio to Florida Keys
Have a flexible travel schedule? Discover the best time to fly to Florida Keys from San Antonio with our price prediction graph.
SAT-MIA
SAT-EYW
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Antonio to Florida Keys
SAT-zzEOA
SAT-MIA
SAT-EYW
What is the cheapest month to book a flight from San Antonio to Florida Keys?
Currently, January is the cheapest month in which you can book a flight from San Antonio to Florida Keys (average of $126). Flying from San Antonio to Florida Keys in December is currently the most expensive (average of $289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Florida Keys
Get insights into the airlines that provide service to Florida Keys. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Florida Keys. Reviews last updated February 9, 2026.
Read through reviews of airlines operating flights from San Antonio to Florida Keys, such as Southwest, Delta, and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Related info for your journey
Find useful and relevant information for your journey from San Antonio to Florida Keys. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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San Antonio and Florida Keys flights
Browse other San Antonio and Florida Keys flight options. Last updated on February 9, 2026.
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Top 2 airlines flying from San Antonio to Florida Keys
Discover the top 2 airlines that operate flights from San Antonio to Florida Keys. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$227 | Average$351 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$236 | Average$448 | FlexibilityNo cancel fee | On-time71% |