$113+ Cheap flights from Austin (AUS) 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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — EYW
Jun 22 — Jun 291
Round-trip
1 adult, Economy
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Find cheap flights from Austin 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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Austin to Florida Keys
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Cheapest flights from Austin to Florida KeysExplore the most affordable flight options available from Austin to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 23, 2026.
Explore the most affordable flight options available from Austin to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 23, 2026.
This Frontier deal was found by Cheapflights users on 5/18. 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 7/201:40 pm
AUS
- MIA
1 stop8h 25m
Frontier
Tue 7/2811:19 am
MIA
- AUS
1 stop6h 20m
Frontier
Deal found 5/18![Frontier logo]()
$208
This Expedia deal was found by Cheapflights users on 5/18. 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.
Mon 7/138:15 pm
AUS
- MIA
1 stop8h 36m
Frontier
Wed 7/156:00 am
MIA
- AUS
1 stop14h 03m
Frontier
Deal found 5/18![Frontier logo]()
$209
This Frontier deal was found by Cheapflights users on 5/18. 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 8/28:15 pm
AUS
- MIA
1 stop8h 36m
Frontier
Tue 8/411:19 am
MIA
- AUS
1 stop6h 20m
Frontier
Deal found 5/18![Frontier logo]()
$210
This United Airlines deal was found by Cheapflights users on 5/22. 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 7/135:30 am
AUS
- MIA
1 stop4h 42m
United Airlines
Wed 7/158:48 am
MIA
- AUS
1 stop7h 41m
United Airlines
Deal found 5/22![United Airlines logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 7/133:52 pm
AUS
- MIA
2 stops23h 41m
Multiple Airlines
Thu 7/168:30 am
MIA
- AUS
1 stop9h 09m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$214
This Delta deal was found by Cheapflights users on 5/22. 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 6/99:00 am
AUS
- MIA
Nonstop2h 43m
Delta
Fri 6/127:05 pm
MIA
- AUS
Nonstop3h 06m
Delta
Deal found 5/22![Delta logo]()
$217
This Frontier deal was found by Cheapflights users on 5/18. 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 8/108:15 pm
AUS
- MIA
1 stop8h 36m
Frontier
Thu 8/1311:19 am
MIA
- AUS
1 stop6h 20m
Frontier
Deal found 5/18![Frontier logo]()
$218
This Flightnetwork deal was found by Cheapflights users on 5/18. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/291:51 pm
AUS
- MIA
1 stop8h 14m
Frontier
Sun 8/26:00 am
MIA
- AUS
1 stop19h 07m
Frontier
Deal found 5/18![Frontier logo]()
$219
This Frontier deal was found by Cheapflights users on 5/18. 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 8/68:15 pm
AUS
- MIA
1 stop8h 36m
Frontier
Thu 8/136:00 am
MIA
- AUS
1 stop14h 03m
Frontier
Deal found 5/18![Frontier logo]()
$222
This Frontier deal was found by Cheapflights users on 5/18. 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 8/812:44 pm
AUS
- MIA
1 stop6h 45m
Frontier
Sun 8/1610:06 pm
MIA
- AUS
1 stop14h 17m
Frontier
Deal found 5/18![Frontier logo]()
$223
This Frontier deal was found by Cheapflights users on 5/18. 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 7/38:15 pm
AUS
- MIA
1 stop8h 39m
Frontier
Sat 7/116:00 am
MIA
- AUS
1 stop14h 03m
Frontier
Deal found 5/18![Frontier logo]()
$224
This Delta deal was found by Cheapflights users on 5/22. 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 6/99:00 am
AUS
- MIA
Nonstop2h 43m
Delta
Tue 6/167:16 pm
MIA
- AUS
1 stop6h 09m
Delta
Deal found 5/22![Delta logo]()
$227
Best flights from Austin to Florida KeysDiscover carefully curated flight deals from Austin to Florida Keys that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 23, 2026.
Discover carefully curated flight deals from Austin to Florida Keys that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 23, 2026.
This Delta deal was found by Cheapflights users on 5/23. 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 7/1810:35 am
AUS
- EYW
1 stop8h 16m
Delta
Tue 7/216:18 pm
EYW
- AUS
1 stop7h 00m
Delta
Deal found 5/23![Delta logo]()
$241
This Southwest deal was found by Cheapflights users on 5/19. 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 7/268:50 am
AUS
- MIA
Nonstop2h 50m
Southwest
Fri 7/315:10 am
MIA
- AUS
1 stop6h 10m
Southwest
Deal found 5/19![Southwest logo]()
$287
This Delta deal was found by Cheapflights users on 5/22. 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 7/181:22 pm
AUS
- EYW
1 stop5h 29m
Delta
Wed 7/227:50 am
EYW
- AUS
1 stop7h 04m
Delta
Deal found 5/22![Delta logo]()
$241
This Delta deal was found by Cheapflights users on 5/20. 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 7/106:24 pm
AUS
- MIA
1 stop5h 31m
Delta
Thu 7/167:05 pm
MIA
- AUS
Nonstop3h 08m
Delta
Deal found 5/20![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 5/19. 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 7/151:35 pm
AUS
- MIA
2 stops7h 35m
Southwest
Sun 7/195:00 am
MIA
- AUS
1 stop6h 55m
Southwest
Deal found 5/19![Southwest logo]()
$302
This Delta deal was found by Cheapflights users on 5/21. 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 7/115:00 pm
AUS
- MIA
1 stop5h 39m
Delta
Wed 7/157:05 pm
MIA
- AUS
Nonstop3h 08m
Delta
Deal found 5/21![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 5/18. 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 6/1611:20 am
AUS
- MIA
Nonstop2h 50m
Southwest
Fri 6/195:10 am
MIA
- AUS
1 stop6h 10m
Southwest
Deal found 5/18![Southwest logo]()
$312
This Delta deal was found by Cheapflights users on 5/22. 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.
Thu 7/98:35 am
AUS
- MIA
Nonstop3h 00m
Delta
Sun 7/127:05 pm
MIA
- AUS
Nonstop3h 08m
Delta
Deal found 5/22![Delta logo]()
$263
This Southwest deal was found by Cheapflights users on 5/18. 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.
Mon 6/19:30 pm
AUS
- MIA
1 stop13h 25m
Southwest
Thu 6/45:10 am
MIA
- AUS
1 stop6h 10m
Southwest
Deal found 5/18![Southwest logo]()
$312
This Delta deal was found by Cheapflights users on 5/22. 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 6/305:25 am
AUS
- EYW
1 stop5h 58m
Delta
Fri 7/37:50 am
EYW
- AUS
1 stop6h 49m
Delta
Deal found 5/22![Delta logo]()
$263
This Southwest deal was found by Cheapflights users on 5/18. 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.
Mon 7/138:10 am
AUS
- MIA
1 stop9h 00m
Southwest
Fri 7/176:20 am
MIA
- AUS
2 stops8h 00m
Southwest
Deal found 5/18![Southwest logo]()
$323
This Delta deal was found by Cheapflights users on 5/18. 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.
Thu 9/101:40 pm
AUS
- EYW
1 stop5h 05m
Delta
Tue 9/157:00 am
EYW
- AUS
1 stop7h 41m
Delta
Deal found 5/18![Delta logo]()
$275
This Delta deal was found by Cheapflights users on 5/22. 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 7/185:00 pm
AUS
- MIA
1 stop6h 55m
Delta
Sun 7/267:05 pm
MIA
- AUS
Nonstop3h 08m
Delta
Deal found 5/22![Delta logo]()
$298
This Delta deal was found by Cheapflights users on 5/22. 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 7/45:00 pm
AUS
- MIA
1 stop6h 51m
Delta
Mon 7/67:05 pm
MIA
- AUS
Nonstop3h 06m
Delta
Deal found 5/22![Delta logo]()
$298
This Delta deal was found by Cheapflights users on 5/20. 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.
Thu 6/111:31 pm
AUS
- MIA
1 stop5h 25m
Delta
Mon 6/157:05 pm
MIA
- AUS
Nonstop3h 06m
Delta
Deal found 5/20![Delta logo]()
$322
This Delta deal was found by Cheapflights users on 5/20. 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 7/312:09 pm
AUS
- EYW
1 stop6h 44m
Delta
Tue 7/77:50 am
EYW
- AUS
1 stop5h 35m
Delta
Deal found 5/20![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 5/22. 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.
Thu 9/1012:20 pm
AUS
- EYW
1 stop6h 25m
Delta
Sun 9/136:00 pm
EYW
- AUS
1 stop7h 19m
Delta
Deal found 5/22![Delta logo]()
$375
Last-minute flights from Austin to Florida KeysDiscover last-minute flight deals from Austin to Florida Keys. Data last updated May 23, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Florida Keys. Data last updated May 23, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/19. 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 6/25:30 pm
AUS
- MIA
Nonstop2h 56m
American Airlines
Fri 6/59:50 pm
MIA
- AUS
Nonstop3h 03m
American Airlines
Deal found 5/19![American Airlines logo]()
$238
This Frontier deal was found by Cheapflights users on 5/18. 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 6/31:59 pm
AUS
- MIA
1 stop7h 48m
Frontier
Tue 6/96:00 am
MIA
- AUS
1 stop14h 30m
Frontier
Deal found 5/18![Frontier logo]()
$230
This Priceline deal was found by Cheapflights users on 5/20. 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.
Wed 6/31:59 pm
AUS
- MIA
1 stop7h 48m
Frontier
Tue 7/78:30 am
MIA
- AUS
1 stop9h 09m
Frontier
Deal found 5/20![Frontier logo]()
$250
This Delta deal was found by Cheapflights users on 5/20. 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 6/512:27 pm
AUS
- MIA
1 stop5h 07m
Delta
Wed 7/17:05 pm
MIA
- AUS
Nonstop3h 06m
Delta
Deal found 5/20![Delta logo]()
$252
This Delta deal was found by Cheapflights users on 5/20. 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 6/61:31 pm
AUS
- MIA
1 stop5h 27m
Delta
Wed 6/108:17 am
MIA
- AUS
1 stop8h 33m
Delta
Deal found 5/20![Delta logo]()
$247
This Delta deal was found by Cheapflights users on 5/21. 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 6/89:00 am
AUS
- MIA
Nonstop2h 43m
Delta
Wed 6/177:05 pm
MIA
- AUS
Nonstop3h 06m
Delta
Deal found 5/21![Delta logo]()
$242
This Delta deal was found by Cheapflights users on 5/22. 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 6/99:00 am
AUS
- MIA
Nonstop2h 43m
Delta
Fri 6/127:05 pm
MIA
- AUS
Nonstop3h 06m
Delta
Deal found 5/22![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 5/21. 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 6/98:35 am
AUS
- MIA
Nonstop2h 58m
Delta
Tue 6/97:05 pm
MIA
- AUS
Nonstop3h 06m
Delta
Deal found 5/21![Delta logo]()
$237
This Frontier deal was found by Cheapflights users on 5/21. 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 6/158:15 pm
AUS
- MIA
1 stop8h 39m
Frontier
Wed 6/176:00 am
MIA
- AUS
1 stop14h 30m
Frontier
Deal found 5/21![Frontier logo]()
$249
This Expedia deal was found by Cheapflights users on 5/18. 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 6/2012:44 pm
AUS
- MIA
1 stop6h 51m
Frontier
Thu 6/258:30 am
MIA
- AUS
1 stop9h 13m
Frontier
Deal found 5/18![Frontier logo]()
$228
This Frontier deal was found by Cheapflights users on 5/19. 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 6/2712:44 pm
AUS
- MIA
1 stop9h 50m
Frontier
Wed 7/16:00 am
MIA
- AUS
1 stop14h 30m
Frontier
Deal found 5/19![Frontier logo]()
$244
This Delta deal was found by Cheapflights users on 5/22. 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 6/305:25 am
AUS
- EYW
1 stop5h 58m
Delta
Fri 7/37:50 am
EYW
- AUS
1 stop6h 49m
Delta
Deal found 5/22![Delta logo]()
$263
One-way flights from Austin to Florida KeysSearch for one-way flight options from Austin to Florida Keys. Find affordable one-way fares based on user searches. Data last updated May 23, 2026.
Search for one-way flight options from Austin to Florida Keys. Find affordable one-way fares based on user searches. Data last updated May 23, 2026.
This Super.com deal was found by Cheapflights users on 5/18. 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.
Mon 6/291:40 pm
AUS
- MIA
1 stop8h 23m
Frontier
Deal found 5/18![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 5/18. 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 6/151:40 pm
AUS
- MIA
1 stop8h 23m
Frontier
Deal found 5/18![Frontier logo]()
$114
This CheapOair deal was found by Cheapflights users on 5/18. 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 6/191:40 pm
AUS
- MIA
1 stop8h 23m
Frontier
Deal found 5/18![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 5/20. 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.
Tue 8/188:15 pm
AUS
- MIA
2 stops25h 48m
Frontier
Deal found 5/20![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 5/18. 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.
Tue 8/45:38 pm
AUS
- MIA
2 stops25h 52m
Frontier
Deal found 5/18![Frontier logo]()
$118
This Southwest deal was found by Cheapflights users on 5/21. 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 6/1011:20 am
AUS
- MIA
Nonstop2h 50m
Southwest
Deal found 5/21![Southwest logo]()
$119
This United Airlines deal was found by Cheapflights users on 5/20. 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.
Thu 8/206:34 am
AUS
- MIA
1 stop7h 20m
United Airlines
Deal found 5/20![United Airlines logo]()
$120
This Expedia deal was found by Cheapflights users on 5/18. 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.
Sun 6/286:30 am
AUS
- MIA
1 stop22h 24m
Frontier
Deal found 5/18![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 5/20. 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.
Tue 6/235:38 pm
AUS
- MIA
1 stop28h 25m
Frontier
Deal found 5/20![Frontier logo]()
$122
This Southwest deal was found by Cheapflights users on 5/20. 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 7/811:20 am
AUS
- MIA
Nonstop2h 50m
Southwest
Deal found 5/20![Southwest logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 7/55:34 pm
AUS
- MIA
1 stop19h 19m
Frontier
Deal found 5/20![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 8/95:38 pm
AUS
- MIA
1 stop28h 27m
Frontier
Deal found 5/17![Frontier logo]()
$126
Find flight deals from Austin to Florida Keys
Keep the following information in mind while searching for Austin to Florida Keys flight deals. Data was last updated May 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $208 (Frontier) |
One-way from | $113 (Super.com) |
Popular in | May |
Cheapest in | September |
Average price | $315 |
Cheapflights Fare Finder
Customize your flight search to find flights from Austin 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 May 23, 2026.
Use the filters below to find and compare flights from Austin to Florida Keys that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AustinKey West
AUS - EYW
AUSEYW
Austin Bergstrom
Sat 7/18
10:35 am-7:51 pm
1 stop8h 16m
Key West
Tue 7/21
6:18 pm-12:18 am
1 stop7h 00m
$241
AustinKey West
AUS - EYW
AUSEYW
Austin Bergstrom
Sat 7/18
1:22 pm-7:51 pm
1 stop5h 29m
Key West
Wed 7/22
7:50 am-1:54 pm
1 stop7h 04m
$241
AustinMiami
AUS - MIA
AUSMIA
Austin Bergstrom
Fri 7/10
6:24 pm-12:55 am
1 stop5h 31m
Miami
Thu 7/16
7:05 pm-9:13 pm
Nonstop3h 08m
$257
AustinMiami
AUS - MIA
AUSMIA
Austin Bergstrom
Sat 7/11
5:00 pm-11:39 pm
1 stop5h 39m
Miami
Wed 7/15
7:05 pm-9:13 pm
Nonstop3h 08m
$257
Quickest round-trip
AustinMiami
AUS - MIA
AUSMIA
Austin Bergstrom
Thu 7/9
8:35 am-12:35 pm
Nonstop3h 00m
Miami
Sun 7/12
7:05 pm-9:13 pm
Nonstop3h 08m
$263
AustinKey West
AUS - EYW
AUSEYW
Austin Bergstrom
Tue 6/30
5:25 am-12:23 pm
1 stop5h 58m
Key West
Fri 7/3
7:50 am-1:39 pm
1 stop6h 49m
$263
AustinKey West
AUS - EYW
AUSEYW
Austin Bergstrom
Thu 9/10
1:40 pm-7:45 pm
1 stop5h 05m
Key West
Tue 9/15
7:00 am-1:41 pm
1 stop7h 41m
$275
AustinMiami
AUS - MIA
AUSMIA
Austin Bergstrom
Sun 7/26
8:50 am-12:40 pm
Nonstop2h 50m
Miami
Fri 7/31
5:10 am-10:20 am
1 stop6h 10m
$287
AustinMiami
AUS - MIA
AUSMIA
Austin Bergstrom
Sat 7/18
5:00 pm-12:55 am
1 stop6h 55m
Miami
Sun 7/26
7:05 pm-9:13 pm
Nonstop3h 08m
$298
AustinMiami
AUS - MIA
AUSMIA
Austin Bergstrom
Sat 7/4
5:00 pm-12:51 am
1 stop6h 51m
Miami
Mon 7/6
7:05 pm-9:11 pm
Nonstop3h 06m
$298
Showing 1-10 of 39 resultsSorted by cheapest first
Best time to book a flight from Austin to Florida Keys
Have a flexible travel schedule? Discover the best time to fly to Florida Keys from Austin with our price prediction graph.
AUS-MIA
AUS-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 Austin to Florida Keys
AUS-zzEOA
AUS-MIA
AUS-EYW
What is the cheapest month to book a flight from Austin to Florida Keys?
Currently, September is the cheapest month in which you can book a flight from Austin to Florida Keys (average of $38). Flying from Austin to Florida Keys in January is currently the most expensive (average of $710). 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 Austin to Florida Keys?
To ensure you get the cheapest price possible for a flight from Austin to Florida Keys, you should look to book at least 54 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 May 23, 2026.
See what other customers who have flown with Southwest,Delta, andAmerican Airlines from Austin to Florida Keys have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Spirit Airlines
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from Austin 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 Austin to Florida Keys
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Complete your trip
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Austin and Florida Keys flights
Browse other Austin and Florida Keys flight options. Last updated on May 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Austin to Florida Keys flights
Consider these flights traveling from Austin to Florida Keys.
Top 3 airlines flying from Austin to Florida Keys
Discover the top 3 airlines that operate flights from Austin 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 May 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$125 | Average$306 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$196 | Average$324 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$224 | Average$433 | FlexibilityNo cancel fee | On-time71% |