$70+ Cheap flights from Jacksonville (JAX) 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — EYW
May 2 — May 91
Round-trip
1 adult, Economy
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Find cheap flights from Jacksonville 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 Jacksonville to Florida KeysExplore the most affordable flight options available from Jacksonville to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2026.
Explore the most affordable flight options available from Jacksonville to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2026.
This Priceline deal was found by Cheapflights users on 3/31. 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 4/276:49 pm
JAX
- MIA
1 stop6h 00m
Frontier
Sat 5/210:13 am
MIA
- JAX
1 stop8h 25m
Frontier
Deal found 3/31![Frontier logo]()
$140
This Expedia deal was found by Cheapflights users on 3/29. 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 4/179:18 pm
JAX
- MIA
1 stop11h 45m
Frontier
Mon 4/2012:26 pm
MIA
- JAX
1 stop5h 38m
Frontier
Deal found 3/29![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 3/28. 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 4/253:08 pm
JAX
- MIA
1 stop9h 41m
Frontier
Mon 4/2712:26 pm
MIA
- JAX
1 stop5h 38m
Frontier
Deal found 3/28![Frontier logo]()
$161
This Frontier deal was found by Cheapflights users on 3/30. 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 4/138:18 pm
JAX
- MIA
1 stop4h 31m
Frontier
Thu 4/1612:26 pm
MIA
- JAX
1 stop5h 04m
Frontier
Deal found 3/30![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 3/31. 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 4/276:49 pm
JAX
- MIA
1 stop6h 00m
Frontier
Mon 5/412:26 pm
MIA
- JAX
1 stop5h 38m
Frontier
Deal found 3/31![Frontier logo]()
$181
This Priceline deal was found by Cheapflights users on 3/29. 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 4/68:18 pm
JAX
- MIA
1 stop4h 31m
Frontier
Thu 4/2312:50 pm
MIA
- JAX
1 stop4h 40m
Frontier
Deal found 3/29![Frontier logo]()
$185
This Expedia deal was found by Cheapflights users on 3/30. 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 4/114:47 pm
JAX
- MIA
1 stop8h 02m
Frontier
Mon 4/139:10 pm
MIA
- JAX
1 stop14h 28m
Frontier
Deal found 3/30![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/198:34 pm
JAX
- EYW
1 stop13h 37m
Allegiant Air
Thu 4/2312:34 pm
EYW
- JAX
1 stop21h 27m
Allegiant Air
Deal found 3/31![Allegiant Air logo]()
$204
This Travelocity deal was found by Cheapflights users on 3/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:18 pm
JAX
- MIA
1 stop4h 31m
Frontier
Mon 4/139:10 pm
MIA
- JAX
1 stop14h 28m
Frontier
Deal found 3/30![Frontier logo]()
$205
This Priceline deal was found by Cheapflights users on 3/29. 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.
Tue 6/1611:20 am
JAX
- MIA
1 stop10h 16m
Frontier
Sun 6/218:10 am
MIA
- JAX
1 stop9h 27m
Frontier
Deal found 3/29![Frontier logo]()
$210
This Priceline deal was found by Cheapflights users on 3/29. 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.
Thu 4/95:28 pm
JAX
- MIA
1 stop7h 21m
Frontier
Sun 4/129:10 am
MIA
- JAX
1 stop7h 23m
Frontier
Deal found 3/29![Frontier logo]()
$222
This Frontier deal was found by Cheapflights users on 3/31. 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 4/177:30 pm
JAX
- MIA
1 stop5h 19m
Frontier
Sun 4/268:55 pm
MIA
- JAX
1 stop12h 26m
Frontier
Deal found 3/31![Frontier logo]()
$225
Best flights from Jacksonville to Florida KeysDiscover carefully curated flight deals from Jacksonville to Florida Keys that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 2, 2026.
Discover carefully curated flight deals from Jacksonville to Florida Keys that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 2, 2026.
This Delta deal was found by Cheapflights users on 3/28. 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 5/162:40 pm
JAX
- EYW
1 stop5h 09m
Delta
Mon 5/186:19 pm
EYW
- JAX
1 stop6h 04m
Delta
Deal found 3/28![Delta logo]()
$326
This Southwest deal was found by Cheapflights users on 4/1. 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.
Sat 5/1610:55 am
JAX
- MIA
1 stop6h 20m
Southwest
Sat 5/2311:50 am
MIA
- JAX
1 stop5h 55m
Southwest
Deal found 4/1![Southwest logo]()
$333
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Fri 5/87:44 pm
JAX
- EYW
1 stop3h 14m
American Airlines
Mon 5/116:45 am
EYW
- JAX
1 stop3h 25m
American Airlines
Deal found 4/1![American Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 3/30. 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 4/286:05 am
JAX
- MIA
2 stops11h 25m
Southwest
Thu 4/306:20 am
MIA
- JAX
2 stops8h 25m
Southwest
Deal found 3/30![Southwest logo]()
$343
This Southwest deal was found by Cheapflights users on 3/31. 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 4/273:25 pm
JAX
- MIA
2 stops6h 35m
Southwest
Sat 5/26:15 am
MIA
- JAX
2 stops7h 55m
Southwest
Deal found 3/31![Southwest logo]()
$343
This United Airlines deal was found by Cheapflights users on 3/28. 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 5/87:03 pm
JAX
- EYW
2 stops18h 42m
United Airlines
Thu 5/142:49 pm
EYW
- JAX
2 stops29h 13m
United Airlines
Deal found 3/28![United Airlines logo]()
$774
This Delta deal was found by Cheapflights users on 3/31. 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 4/251:15 pm
JAX
- EYW
1 stop6h 25m
Delta
Mon 4/272:40 pm
EYW
- JAX
1 stop5h 32m
Delta
Deal found 3/31![Delta logo]()
$405
This Southwest deal was found by Cheapflights users on 4/2. 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.
Sat 5/27:35 am
JAX
- MIA
1 stop6h 50m
Southwest
Sun 5/36:10 am
MIA
- JAX
2 stops7h 30m
Southwest
Deal found 4/2![Southwest logo]()
$358
This Southwest deal was found by Cheapflights users on 3/30. 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 5/35:20 am
JAX
- MIA
2 stops10h 10m
Southwest
Thu 5/76:20 am
MIA
- JAX
2 stops8h 25m
Southwest
Deal found 3/30![Southwest logo]()
$363
This Delta deal was found by Cheapflights users on 3/28. 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 5/82:40 pm
JAX
- EYW
1 stop5h 09m
Delta
Sun 5/106:19 pm
EYW
- JAX
1 stop6h 04m
Delta
Deal found 3/28![Delta logo]()
$443
This Southwest deal was found by Cheapflights users on 3/29. 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.
Sat 4/2512:55 pm
JAX
- MIA
2 stops9h 10m
Southwest
Sun 4/266:30 am
MIA
- JAX
1 stop7h 10m
Southwest
Deal found 3/29![Southwest logo]()
$366
This Delta deal was found by Cheapflights users on 3/29. 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.
Sun 5/35:30 am
JAX
- EYW
1 stop4h 40m
Delta
Sun 5/106:19 pm
EYW
- JAX
1 stop6h 04m
Delta
Deal found 3/29![Delta logo]()
$443
This Southwest deal was found by Cheapflights users on 3/28. 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 9/132:00 pm
JAX
- MIA
1 stop8h 00m
Southwest
Sat 9/199:40 am
MIA
- JAX
1 stop5h 50m
Southwest
Deal found 3/28![Southwest logo]()
$373
This Southwest deal was found by Cheapflights users on 3/30. 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 5/153:25 pm
JAX
- MIA
2 stops6h 35m
Southwest
Sun 5/176:30 am
MIA
- JAX
1 stop7h 10m
Southwest
Deal found 3/30![Southwest logo]()
$378
This Delta deal was found by Cheapflights users on 3/30. 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 5/45:30 am
JAX
- EYW
1 stop5h 16m
Delta
Fri 5/86:19 pm
EYW
- JAX
1 stop6h 04m
Delta
Deal found 3/30![Delta logo]()
$535
This Southwest deal was found by Cheapflights users on 3/28. 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 5/226:55 am
JAX
- MIA
1 stop7h 35m
Southwest
Mon 5/256:40 am
MIA
- JAX
1 stop7h 10m
Southwest
Deal found 3/28![Southwest logo]()
$381
This Delta deal was found by Cheapflights users on 4/2. 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 6/15:05 am
JAX
- EYW
1 stop5h 48m
Delta
Mon 6/16:19 pm
EYW
- JAX
1 stop6h 04m
Delta
Deal found 4/2![Delta logo]()
$535
This Southwest deal was found by Cheapflights users on 3/30. 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 7/307:45 am
JAX
- MIA
2 stops8h 40m
Southwest
Sun 8/26:20 am
MIA
- JAX
1 stop7h 50m
Southwest
Deal found 3/30![Southwest logo]()
$386
This Delta deal was found by Cheapflights users on 3/28. 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 6/1210:44 am
JAX
- EYW
1 stop6h 45m
Delta
Sun 6/146:24 pm
EYW
- JAX
1 stop5h 35m
Delta
Deal found 3/28![Delta logo]()
$549
This Southwest deal was found by Cheapflights users on 3/28. 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 7/316:20 am
JAX
- MIA
2 stops9h 00m
Southwest
Sun 8/26:20 am
MIA
- JAX
1 stop7h 50m
Southwest
Deal found 3/28![Southwest logo]()
$386
This Delta deal was found by Cheapflights users on 4/1. 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 6/1910:44 am
JAX
- EYW
1 stop6h 45m
Delta
Sun 6/212:24 pm
EYW
- JAX
1 stop4h 47m
Delta
Deal found 4/1![Delta logo]()
$583
This Delta deal was found by Cheapflights users on 3/29. 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 4/67:35 am
JAX
- EYW
1 stop6h 08m
Delta
Mon 4/66:25 pm
EYW
- JAX
1 stop4h 36m
Delta
Deal found 3/29![Delta logo]()
$775
Last-minute flights from Jacksonville to Florida KeysDiscover last-minute flight deals from Jacksonville to Florida Keys. Data last updated April 2, 2026 and is based on user searches.
Discover last-minute flight deals from Jacksonville to Florida Keys. Data last updated April 2, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 3/29. 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 4/68:18 pm
JAX
- MIA
1 stop4h 31m
Frontier
Thu 4/2312:50 pm
MIA
- JAX
1 stop4h 40m
Frontier
Deal found 3/29![Frontier logo]()
$185
This Travelocity deal was found by Cheapflights users on 3/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:18 pm
JAX
- MIA
1 stop4h 31m
Frontier
Mon 4/139:10 pm
MIA
- JAX
1 stop14h 28m
Frontier
Deal found 3/30![Frontier logo]()
$205
This Priceline deal was found by Cheapflights users on 3/29. 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.
Thu 4/95:28 pm
JAX
- MIA
1 stop7h 21m
Frontier
Sun 4/129:10 am
MIA
- JAX
1 stop7h 23m
Frontier
Deal found 3/29![Frontier logo]()
$222
This Expedia deal was found by Cheapflights users on 3/30. 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 4/114:47 pm
JAX
- MIA
1 stop8h 02m
Frontier
Mon 4/139:10 pm
MIA
- JAX
1 stop14h 28m
Frontier
Deal found 3/30![Frontier logo]()
$202
This Frontier deal was found by Cheapflights users on 3/30. 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 4/138:18 pm
JAX
- MIA
1 stop4h 31m
Frontier
Thu 4/1612:26 pm
MIA
- JAX
1 stop5h 04m
Frontier
Deal found 3/30![Frontier logo]()
$180
This Expedia deal was found by Cheapflights users on 3/29. 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 4/179:18 pm
JAX
- MIA
1 stop11h 45m
Frontier
Mon 4/2012:26 pm
MIA
- JAX
1 stop5h 38m
Frontier
Deal found 3/29![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 3/31. 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 4/177:30 pm
JAX
- MIA
1 stop5h 19m
Frontier
Sun 4/268:55 pm
MIA
- JAX
1 stop12h 26m
Frontier
Deal found 3/31![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/198:34 pm
JAX
- EYW
1 stop13h 37m
Allegiant Air
Thu 4/2312:34 pm
EYW
- JAX
1 stop21h 27m
Allegiant Air
Deal found 3/31![Allegiant Air logo]()
$204
This Frontier deal was found by Cheapflights users on 3/28. 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 4/253:08 pm
JAX
- MIA
1 stop9h 41m
Frontier
Mon 4/2712:26 pm
MIA
- JAX
1 stop5h 38m
Frontier
Deal found 3/28![Frontier logo]()
$161
This Priceline deal was found by Cheapflights users on 3/31. 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 4/276:49 pm
JAX
- MIA
1 stop6h 00m
Frontier
Sat 5/210:13 am
MIA
- JAX
1 stop8h 25m
Frontier
Deal found 3/31![Frontier logo]()
$140
This Frontier deal was found by Cheapflights users on 3/31. 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 4/276:49 pm
JAX
- MIA
1 stop6h 00m
Frontier
Mon 5/412:26 pm
MIA
- JAX
1 stop5h 38m
Frontier
Deal found 3/31![Frontier logo]()
$181
This Priceline deal was found by Cheapflights users on 3/29. 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.
Sun 5/1711:28 am
JAX
- MIA
1 stop10h 11m
Frontier
Sun 5/248:10 am
MIA
- JAX
1 stop9h 25m
Frontier
Deal found 3/29![Frontier logo]()
$230
One-way flights from Jacksonville to Florida KeysSearch for one-way flight options from Jacksonville to Florida Keys. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
Search for one-way flight options from Jacksonville to Florida Keys. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
This Frontier deal was found by Cheapflights users on 3/30. 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 5/17:28 pm
JAX
- MIA
1 stop5h 21m
Frontier
Deal found 3/30![Frontier logo]()
$70
This Frontier deal was found by Cheapflights users on 3/29. 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 5/23:08 pm
JAX
- MIA
1 stop9h 41m
Frontier
Deal found 3/29![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 4/268:34 pm
JAX
- EYW
1 stop13h 37m
Allegiant Air
Deal found 3/29![Allegiant Air logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 4/128:34 pm
JAX
- EYW
1 stop13h 37m
Allegiant Air
Deal found 3/30![Allegiant Air logo]()
$89
This Super.com deal was found by Cheapflights users on 3/30. 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 4/177:30 pm
JAX
- MIA
1 stop5h 19m
Frontier
Deal found 3/30![Frontier logo]()
$89
This Frontier deal was found by Cheapflights users on 3/31. 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 4/166:25 pm
JAX
- MIA
1 stop6h 24m
Frontier
Deal found 3/31![Frontier logo]()
$90
This Super.com deal was found by Cheapflights users on 3/29. 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.
Sat 4/114:47 pm
JAX
- MIA
1 stop8h 02m
Frontier
Deal found 3/29![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 5/289:03 pm
JAX
- MIA
1 stop13h 24m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$102
This Super.com deal was found by Cheapflights users on 3/31. 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.
Thu 4/95:28 pm
JAX
- MIA
1 stop7h 21m
Frontier
Deal found 3/31![Frontier logo]()
$110
This Priceline deal was found by Cheapflights users on 3/29. 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.
Thu 5/1411:28 am
JAX
- MIA
1 stop10h 11m
Frontier
Deal found 3/29![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 5/17:28 pm
JAX
- MIA
2 stops25h 10m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/98:34 pm
JAX
- EYW
1 stop13h 37m
Allegiant Air
Deal found 4/1![Allegiant Air logo]()
$130
Find flight deals from Jacksonville to Florida Keys
Keep the following information in mind while searching for Jacksonville to Florida Keys flight deals. Data was last updated April 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $140 (Priceline) |
One-way from | $70 (Frontier) |
Popular in | October |
Cheapest in | August |
Average price | $356 |
Cheapflights Fare Finder
Customize your flight search to find flights from Jacksonville 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 April 2, 2026.
Use the filters below to find and compare flights from Jacksonville to Florida Keys that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
JacksonvilleKey West
JAX - EYW
JAXEYW
Jacksonville
Sat 5/16
2:40 pm-7:49 pm
1 stop5h 09m
Key West
Mon 5/18
6:19 pm-12:23 am
1 stop6h 04m
$326
JacksonvilleMiami
JAX - MIA
JAXMIA
Jacksonville
Sat 5/16
10:55 am-5:15 pm
1 stop6h 20m
Miami
Sat 5/23
11:50 am-5:45 pm
1 stop5h 55m
$333
JacksonvilleMiami
JAX - MIA
JAXMIA
Jacksonville
Tue 4/28
6:05 am-5:30 pm
2 stops11h 25m
Miami
Thu 4/30
6:20 am-2:45 pm
2 stops8h 25m
$343
JacksonvilleMiami
JAX - MIA
JAXMIA
Jacksonville
Mon 4/27
3:25 pm-10:00 pm
2 stops6h 35m
Miami
Sat 5/2
6:15 am-2:10 pm
2 stops7h 55m
$343
JacksonvilleMiami
JAX - MIA
JAXMIA
Jacksonville
Sat 5/2
7:35 am-2:25 pm
1 stop6h 50m
Miami
Sun 5/3
6:10 am-1:40 pm
2 stops7h 30m
$358
JacksonvilleMiami
JAX - MIA
JAXMIA
Jacksonville
Sun 5/3
5:20 am-3:30 pm
2 stops10h 10m
Miami
Thu 5/7
6:20 am-2:45 pm
2 stops8h 25m
$363
JacksonvilleMiami
JAX - MIA
JAXMIA
Jacksonville
Sat 4/25
12:55 pm-10:05 pm
2 stops9h 10m
Miami
Sun 4/26
6:30 am-1:40 pm
1 stop7h 10m
$366
Quickest round-trip
JacksonvilleKey West
JAX - EYW
JAXEYW
Jacksonville
Fri 5/8
7:44 pm-10:58 pm
1 stop3h 14m
Key West
Mon 5/11
6:45 am-10:10 am
1 stop3h 25m
$367
JacksonvilleMiami
JAX - MIA
JAXMIA
Jacksonville
Sun 9/13
2:00 pm-10:00 pm
1 stop8h 00m
Miami
Sat 9/19
9:40 am-3:30 pm
1 stop5h 50m
$373
JacksonvilleMiami
JAX - MIA
JAXMIA
Jacksonville
Fri 5/15
3:25 pm-10:00 pm
2 stops6h 35m
Miami
Sun 5/17
6:30 am-1:40 pm
1 stop7h 10m
$378
Showing 1-10 of 43 resultsSorted by cheapest first
Best time to book a flight from Jacksonville to Florida Keys
Have a flexible travel schedule? Discover the best time to fly to Florida Keys from Jacksonville with our price prediction graph.
JAX-EYW
JAX-MIA
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 Jacksonville to Florida Keys
JAX-zzEOA
JAX-EYW
JAX-MIA
What is the cheapest month to book a flight from Jacksonville to Florida Keys?
Currently, August is the cheapest month in which you can book a flight from Jacksonville to Florida Keys (average of $235). Flying from Jacksonville to Florida Keys in February is currently the most expensive (average of $692). 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 April 2, 2026.
Read through reviews of airlines operating flights from Jacksonville to Florida Keys, such as Southwest,Delta, andJetBlue. 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.
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Jacksonville 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 Jacksonville to Florida Keys
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Complete your trip
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Jacksonville and Florida Keys flights
Browse other Jacksonville and Florida Keys flight options. Last updated on April 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Jacksonville to Florida Keys
Discover the top 2 airlines that operate flights from Jacksonville 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 April 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$286 | Average$451 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$326 | Average$526 | FlexibilityNo cancel fee | On-timeN/A |