$105+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — EYW
Jul 11 — Jul 181
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio to Florida Keys with Cheapflights
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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 June 11, 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 June 11, 2026.
This Frontier deal was found by Cheapflights users on 6/7. 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.
Sat 7/117:39 pm
SAT
- MIA
1 stop8h 38m
Frontier
Sat 7/186:00 am
MIA
- SAT
1 stop13h 44m
Frontier
Deal found 6/7![Frontier logo]()
$258
This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:39 pm
SAT
- MIA
1 stop9h 12m
Frontier
Wed 7/226:00 am
MIA
- SAT
1 stop13h 44m
Frontier
Deal found 6/10![Frontier logo]()
$259
This Frontier deal was found by Cheapflights users on 6/10. 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.
Sun 8/27:39 pm
SAT
- MIA
1 stop9h 12m
Frontier
Thu 8/66:00 am
MIA
- SAT
1 stop13h 54m
Frontier
Deal found 6/10![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 6/8. 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.
Sat 7/257:39 pm
SAT
- MIA
1 stop8h 38m
Frontier
Thu 7/306:00 am
MIA
- SAT
1 stop13h 44m
Frontier
Deal found 6/8![Frontier logo]()
$263
This Frontier deal was found by Cheapflights users on 6/10. 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.
Sat 7/48:56 pm
SAT
- MIA
1 stop9h 15m
Frontier
Sun 7/126:00 am
MIA
- SAT
1 stop13h 44m
Frontier
Deal found 6/10![Frontier logo]()
$264
This Frontier deal was found by Cheapflights users on 6/10. 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.
Sat 7/187:39 pm
SAT
- MIA
1 stop8h 38m
Frontier
Wed 7/226:00 am
MIA
- SAT
1 stop13h 44m
Frontier
Deal found 6/10![Frontier logo]()
$265
This Super.com deal was found by Cheapflights users on 6/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:39 pm
SAT
- MIA
1 stop9h 12m
Frontier
Mon 7/206:00 am
MIA
- SAT
1 stop13h 44m
Frontier
Deal found 6/6![Frontier logo]()
$266
This Frontier deal was found by Cheapflights users on 6/11. 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.
Tue 8/47:39 pm
SAT
- MIA
1 stop9h 12m
Frontier
Fri 8/76:00 am
MIA
- SAT
1 stop13h 54m
Frontier
Deal found 6/11![Frontier logo]()
$267
This Frontier deal was found by Cheapflights users on 6/10. 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 7/97:39 pm
SAT
- MIA
1 stop9h 12m
Frontier
Mon 7/136:00 am
MIA
- SAT
1 stop13h 44m
Frontier
Deal found 6/10![Frontier logo]()
$268
This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:39 pm
SAT
- MIA
1 stop9h 12m
Frontier
Mon 7/276:00 am
MIA
- SAT
1 stop13h 44m
Frontier
Deal found 6/10![Frontier logo]()
$269
This Frontier deal was found by Cheapflights users on 6/10. 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.
Tue 6/307:51 pm
SAT
- MIA
1 stop9h 03m
Frontier
Fri 7/36:00 am
MIA
- SAT
1 stop13h 56m
Frontier
Deal found 6/10![Frontier logo]()
$270
This Delta deal was found by Cheapflights users on 6/8. 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 10/66:45 am
SAT
- MIA
1 stop5h 11m
Delta
Tue 10/205:55 pm
MIA
- SAT
1 stop5h 32m
Delta
Deal found 6/8![Delta logo]()
$273
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 June 11, 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 June 11, 2026.
This Southwest deal was found by Cheapflights users on 6/9. 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 8/1910:50 am
SAT
- MIA
1 stop8h 20m
Southwest
Tue 9/19:15 am
MIA
- SAT
2 stops8h 35m
Southwest
Deal found 6/9![Southwest logo]()
$289
This Delta deal was found by Cheapflights users on 6/7. 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.
Fri 8/285:20 am
SAT
- EYW
1 stop6h 40m
Delta
Mon 8/3111:48 am
EYW
- SAT
1 stop7h 58m
Delta
Deal found 6/7![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 6/11. 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 7/156:01 am
SAT
- EYW
1 stop9h 10m
American Airlines
Wed 7/221:47 pm
EYW
- SAT
2 stops9h 13m
American Airlines
Deal found 6/11![American Airlines logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 7/59:55 am
SAT
- EYW
1 stop23h 32m
Multiple Airlines
Sun 7/128:48 pm
EYW
- SAT
2 stops22h 56m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$546
This Mytrip deal was found by Cheapflights users on 6/8. 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.
Wed 8/194:53 pm
SAT
- EYW
2 stops25h 20m
Breeze Airways
Tue 8/251:14 pm
EYW
- SAT
2 stops27h 59m
Breeze Airways
Deal found 6/8![Breeze Airways logo]()
$599
This Delta deal was found by Cheapflights users on 6/7. 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.
Mon 8/1010:46 am
SAT
- EYW
1 stop5h 34m
Delta
Sat 8/157:40 am
EYW
- SAT
1 stop6h 58m
Delta
Deal found 6/7![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 6/10. 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.
Tue 7/217:15 am
SAT
- MIA
1 stop4h 50m
Southwest
Wed 7/296:00 am
MIA
- SAT
2 stops7h 45m
Southwest
Deal found 6/10![Southwest logo]()
$396
This Southwest deal was found by Cheapflights users on 6/6. 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 11/412:55 pm
SAT
- MIA
2 stops8h 15m
Southwest
Tue 11/109:30 am
MIA
- SAT
2 stops9h 10m
Southwest
Deal found 6/6![Southwest logo]()
$419
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 7/139:55 am
SAT
- EYW
1 stop7h 53m
American Airlines
Sat 7/187:55 pm
EYW
- SAT
1 stop5h 04m
American Airlines
Deal found 6/10![American Airlines logo]()
$488
This Southwest deal was found by Cheapflights users on 6/9. 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.
Tue 7/72:40 pm
SAT
- MIA
2 stops7h 15m
Southwest
Sat 7/119:25 am
MIA
- SAT
2 stops7h 35m
Southwest
Deal found 6/9![Southwest logo]()
$426
This Delta deal was found by Cheapflights users on 6/6. 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 7/812:04 pm
SAT
- EYW
1 stop6h 47m
Delta
Sat 7/114:00 pm
EYW
- SAT
1 stop8h 21m
Delta
Deal found 6/6![Delta logo]()
$519
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:10 pm
SAT
- MIA
2 stops7h 50m
Southwest
Sat 11/145:55 am
MIA
- SAT
2 stops8h 15m
Southwest
Deal found 6/8![Southwest logo]()
$430
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Wed 7/85:01 am
SAT
- EYW
2 stops10h 10m
American Airlines
Sat 7/117:55 pm
EYW
- SAT
1 stop5h 04m
American Airlines
Deal found 6/6![American Airlines logo]()
$562
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 7/29:55 am
SAT
- EYW
1 stop23h 32m
Multiple Airlines
Sun 7/510:55 am
EYW
- SAT
2 stops23h 54m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$653
This Southwest deal was found by Cheapflights users on 6/10. 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.
Thu 8/207:10 am
SAT
- MIA
2 stops6h 30m
Southwest
Sun 8/236:05 am
MIA
- SAT
2 stops6h 30m
Southwest
Deal found 6/10![Southwest logo]()
$452
This Delta deal was found by Cheapflights users on 6/7. 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.
Mon 7/1310:38 am
SAT
- EYW
1 stop8h 13m
Delta
Fri 7/177:50 am
EYW
- SAT
1 stop6h 48m
Delta
Deal found 6/7![Delta logo]()
$617
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Sun 6/289:31 am
SAT
- EYW
1 stop6h 21m
American Airlines
Tue 6/307:40 pm
EYW
- SAT
1 stop5h 19m
American Airlines
Deal found 6/6![American Airlines logo]()
$617
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2611:25 am
SAT
- MIA
1 stop7h 15m
Southwest
Wed 7/296:00 am
MIA
- SAT
2 stops7h 45m
Southwest
Deal found 6/8![Southwest logo]()
$473
This Southwest deal was found by Cheapflights users on 6/10. 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.
Tue 7/71:20 pm
SAT
- MIA
2 stops7h 35m
Southwest
Thu 7/94:00 pm
MIA
- SAT
2 stops7h 55m
Southwest
Deal found 6/10![Southwest logo]()
$474
This Southwest deal was found by Cheapflights users on 6/10. 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.
Thu 7/26:45 am
SAT
- MIA
2 stops7h 50m
Southwest
Wed 7/84:20 pm
MIA
- SAT
2 stops7h 40m
Southwest
Deal found 6/10![Southwest logo]()
$474
This Southwest deal was found by Cheapflights users on 6/10. 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.
Tue 7/141:20 pm
SAT
- MIA
2 stops7h 35m
Southwest
Sun 7/196:55 pm
MIA
- SAT
1 stop7h 20m
Southwest
Deal found 6/10![Southwest logo]()
$475
This Southwest deal was found by Cheapflights users on 6/9. 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.
Fri 10/911:45 am
SAT
- MIA
1 stop9h 55m
Southwest
Sun 10/185:25 am
MIA
- SAT
1 stop4h 50m
Southwest
Deal found 6/9![Southwest logo]()
$497
Last-minute flights from San Antonio to Florida KeysDiscover last-minute flight deals from San Antonio to Florida Keys. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Florida Keys. Data last updated June 11, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 6/10. 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.
Tue 6/307:51 pm
SAT
- MIA
1 stop9h 03m
Frontier
Fri 7/36:00 am
MIA
- SAT
1 stop13h 56m
Frontier
Deal found 6/10![Frontier logo]()
$270
This Frontier deal was found by Cheapflights users on 6/10. 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.
Sat 7/48:56 pm
SAT
- MIA
1 stop9h 15m
Frontier
Sun 7/126:00 am
MIA
- SAT
1 stop13h 44m
Frontier
Deal found 6/10![Frontier logo]()
$264
This Frontier deal was found by Cheapflights users on 6/10. 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 7/97:39 pm
SAT
- MIA
1 stop9h 12m
Frontier
Mon 7/136:00 am
MIA
- SAT
1 stop13h 44m
Frontier
Deal found 6/10![Frontier logo]()
$268
This Frontier deal was found by Cheapflights users on 6/7. 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.
Sat 7/117:39 pm
SAT
- MIA
1 stop8h 38m
Frontier
Sat 7/186:00 am
MIA
- SAT
1 stop13h 44m
Frontier
Deal found 6/7![Frontier logo]()
$258
This CheapOair deal was found by Cheapflights users on 6/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/117:39 pm
SAT
- MIA
1 stop8h 38m
Frontier
Sun 7/1910:15 pm
MIA
- SAT
1 stop23h 22m
Frontier
Deal found 6/7![Frontier logo]()
$274
This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:39 pm
SAT
- MIA
1 stop9h 12m
Frontier
Wed 7/226:00 am
MIA
- SAT
1 stop13h 44m
Frontier
Deal found 6/10![Frontier logo]()
$259
This Super.com deal was found by Cheapflights users on 6/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:39 pm
SAT
- MIA
1 stop9h 12m
Frontier
Mon 7/206:00 am
MIA
- SAT
1 stop13h 44m
Frontier
Deal found 6/6![Frontier logo]()
$266
This Frontier deal was found by Cheapflights users on 6/10. 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.
Sat 7/187:39 pm
SAT
- MIA
1 stop8h 38m
Frontier
Wed 7/226:00 am
MIA
- SAT
1 stop13h 44m
Frontier
Deal found 6/10![Frontier logo]()
$265
This Expedia deal was found by Cheapflights users on 6/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:39 pm
SAT
- MIA
1 stop8h 38m
Frontier
Sat 7/256:00 am
MIA
- SAT
1 stop13h 44m
Frontier
Deal found 6/9![Frontier logo]()
$279
This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:39 pm
SAT
- MIA
1 stop9h 12m
Frontier
Mon 7/276:00 am
MIA
- SAT
1 stop13h 44m
Frontier
Deal found 6/10![Frontier logo]()
$269
This Expedia deal was found by Cheapflights users on 6/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:39 pm
SAT
- MIA
1 stop9h 12m
Frontier
Sat 8/16:00 am
MIA
- SAT
1 stop13h 44m
Frontier
Deal found 6/7![Frontier logo]()
$280
This Frontier deal was found by Cheapflights users on 6/8. 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.
Sat 7/257:39 pm
SAT
- MIA
1 stop8h 38m
Frontier
Thu 7/306:00 am
MIA
- SAT
1 stop13h 44m
Frontier
Deal found 6/8![Frontier logo]()
$263
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 June 11, 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 June 11, 2026.
This Frontier deal was found by Cheapflights users on 6/11. 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 8/57:49 pm
SAT
- MIA
1 stop9h 02m
Frontier
Deal found 6/11![Frontier logo]()
$105
This Super.com deal was found by Cheapflights users on 6/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:39 pm
SAT
- MIA
1 stop9h 12m
Frontier
Deal found 6/10![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Fri 8/711:30 am
SAT
- MIA
2 stops7h 55m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$123
This Frontier deal was found by Cheapflights users on 6/11. 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.
Sat 9/57:51 pm
SAT
- MIA
1 stop9h 03m
Frontier
Deal found 6/11![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 6/9. 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 8/67:49 pm
SAT
- MIA
1 stop9h 02m
Frontier
Deal found 6/9![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 6/10. 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 8/147:49 pm
SAT
- MIA
1 stop9h 02m
Frontier
Deal found 6/10![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 6/9. 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 8/77:49 pm
SAT
- MIA
1 stop9h 02m
Frontier
Deal found 6/9![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 6/9. 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.
Sat 7/48:56 pm
SAT
- MIA
1 stop9h 15m
Frontier
Deal found 6/9![Frontier logo]()
$129
This Frontier deal was found by Cheapflights users on 6/10. 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.
Sat 7/257:39 pm
SAT
- MIA
1 stop8h 38m
Frontier
Deal found 6/10![Frontier logo]()
$130
This Super.com deal was found by Cheapflights users on 6/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:51 pm
SAT
- MIA
1 stop9h 03m
Frontier
Deal found 6/9![Frontier logo]()
$132
This Super.com deal was found by Cheapflights users on 6/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:39 pm
SAT
- MIA
1 stop9h 12m
Frontier
Deal found 6/10![Frontier logo]()
$133
This Frontier deal was found by Cheapflights users on 6/10. 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.
Mon 7/67:39 pm
SAT
- MIA
1 stop9h 12m
Frontier
Deal found 6/10![Frontier logo]()
$134
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 June 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $258 (Frontier) |
One-way from | $105 (Priceline) |
Popular in | December |
Cheapest in | October |
Average price | $455 |
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 June 11, 2026.
Use the filters below to find and compare flights from San Antonio to Florida Keys that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioMiami
SAT - MIA
SATMIA
San Antonio
Wed 8/19
10:50 am-8:10 pm
1 stop8h 20m
Miami
Tue 9/1
9:15 am-4:50 pm
2 stops8h 35m
$289
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Fri 8/28
5:20 am-1:00 pm
1 stop6h 40m
Key West
Mon 8/31
11:48 am-6:46 pm
1 stop7h 58m
$329
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Mon 8/10
10:46 am-5:20 pm
1 stop5h 34m
Key West
Sat 8/15
7:40 am-1:38 pm
1 stop6h 58m
$379
San AntonioMiami
SAT - MIA
SATMIA
San Antonio
Tue 7/21
7:15 am-1:05 pm
1 stop4h 50m
Miami
Wed 7/29
6:00 am-12:45 pm
2 stops7h 45m
$396
San AntonioMiami
SAT - MIA
SATMIA
San Antonio
Wed 11/4
12:55 pm-10:10 pm
2 stops8h 15m
Miami
Tue 11/10
9:30 am-5:40 pm
2 stops9h 10m
$419
San AntonioMiami
SAT - MIA
SATMIA
San Antonio
Tue 7/7
2:40 pm-10:55 pm
2 stops7h 15m
Miami
Sat 7/11
9:25 am-4:00 pm
2 stops7h 35m
$426
San AntonioMiami
SAT - MIA
SATMIA
San Antonio
Fri 11/6
1:10 pm-10:00 pm
2 stops7h 50m
Miami
Sat 11/14
5:55 am-1:10 pm
2 stops8h 15m
$430
San AntonioKey West
SAT - EYW
SATEYW
San Antonio
Wed 7/15
6:01 am-4:11 pm
1 stop9h 10m
Key West
Wed 7/22
1:47 pm-10:00 pm
2 stops9h 13m
$445
San AntonioMiami
SAT - MIA
SATMIA
San Antonio
Thu 8/20
7:10 am-2:40 pm
2 stops6h 30m
Miami
Sun 8/23
6:05 am-11:35 am
2 stops6h 30m
$452
San AntonioMiami
SAT - MIA
SATMIA
San Antonio
Sun 7/26
11:25 am-7:40 pm
1 stop7h 15m
Miami
Wed 7/29
6:00 am-12:45 pm
2 stops7h 45m
$473
Showing 1-10 of 39 resultsSorted by cheapest first
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, February is the cheapest month in which you can book a flight from San Antonio to Florida Keys (average of $29). Flying from San Antonio to Florida Keys in July is currently the most expensive (average of $165). 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.
How far ahead should I book a flight from San Antonio to Florida Keys?
Booking 24 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Antonio to Florida Keys. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 June 11, 2026.
Read through reviews of airlines operating flights from San Antonio to Florida Keys, such as Southwest,Delta, andUnited 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.
Boarding
8.1
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
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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Alternative routes for San Antonio to Florida Keys
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Complete your trip
Complete your trip to Florida Keys by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from San Antonio to Florida Keys, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Antonio and Florida Keys flights
Browse other San Antonio and Florida Keys flight options. Last updated on June 11, 2026.
Popular flight searches
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San Antonio to Florida Keys flights
Consider these flights traveling from San Antonio to Florida Keys.
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 June 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$224 | Average$415 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$227 | Average$408 | FlexibilityNo cancel fee | On-timeN/A |