$101+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — EYW
Jul 8 — Jul 151
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Jacksonville to Florida Keys
Cheapest
Best
Last-minute
One-way
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 June 8, 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 June 8, 2026.
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 8/238:48 pm
JAX
- MIA
1 stop13h 28m
Multiple Airlines
Sun 8/305:05 am
MIA
- JAX
1 stop15h 03m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 7/56:29 pm
JAX
- MIA
1 stop19h 24m
Frontier
Sat 7/118:30 am
MIA
- JAX
1 stop9h 04m
Frontier
Deal found 6/4![Frontier logo]()
$209
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.
Sat 8/156:29 pm
JAX
- MIA
1 stop23h 18m
Multiple Airlines
Sun 8/235:05 am
MIA
- JAX
1 stop15h 03m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$216
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.
Fri 8/286:28 pm
JAX
- MIA
1 stop22h 03m
Multiple Airlines
Sun 9/65:05 am
MIA
- JAX
1 stop15h 03m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:29 pm
JAX
- MIA
1 stop19h 24m
Frontier
Fri 8/2111:19 am
MIA
- JAX
1 stop6h 18m
Frontier
Deal found 6/5![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 7/196:29 pm
JAX
- MIA
1 stop28h 36m
Frontier
Sun 7/268:30 am
MIA
- JAX
1 stop9h 04m
Frontier
Deal found 6/4![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 7/136:29 pm
JAX
- MIA
1 stop28h 36m
Frontier
Fri 7/178:30 am
MIA
- JAX
1 stop9h 04m
Frontier
Deal found 6/4![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:29 pm
JAX
- MIA
1 stop5h 11m
Frontier
Wed 7/2911:19 am
MIA
- JAX
1 stop6h 15m
Frontier
Deal found 6/5![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:29 pm
JAX
- MIA
1 stop28h 36m
Multiple Airlines
Thu 8/205:05 am
MIA
- JAX
1 stop15h 03m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:03 pm
JAX
- MIA
1 stop23h 27m
Multiple Airlines
Thu 8/1310:50 am
MIA
- JAX
1 stop6h 44m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$228
This Expedia deal was found by Cheapflights users on 6/4. 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.
Wed 7/13:59 pm
JAX
- MIA
1 stop6h 38m
Frontier
Wed 7/89:33 pm
MIA
- JAX
1 stop12h 16m
Frontier
Deal found 6/4![Frontier logo]()
$230
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.
Mon 8/106:29 pm
JAX
- MIA
1 stop19h 24m
Frontier
Thu 8/1310:50 am
MIA
- JAX
1 stop6h 44m
Frontier
Deal found 6/6![Frontier logo]()
$231
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 June 8, 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 June 8, 2026.
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.
Sat 8/16:29 pm
JAX
- MIA
1 stop5h 11m
Frontier
Tue 8/411:19 am
MIA
- JAX
1 stop6h 15m
Frontier
Deal found 6/7![Frontier logo]()
$233
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:35 am
JAX
- MIA
1 stop4h 50m
Southwest
Thu 11/122:40 pm
MIA
- JAX
2 stops9h 05m
Southwest
Deal found 6/5![Southwest logo]()
$348
This Delta deal was found by Cheapflights users on 6/4. 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 9/125:30 am
JAX
- EYW
1 stop5h 28m
Delta
Wed 9/167:40 am
EYW
- JAX
1 stop5h 43m
Delta
Deal found 6/4![Delta logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/169:03 pm
JAX
- EYW
1 stop13h 24m
Multiple Airlines
Sun 7/198:48 pm
EYW
- JAX
2 stops20h 46m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$442
This Southwest deal was found by Cheapflights users on 6/4. 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 7/142:20 pm
JAX
- MIA
2 stops8h 35m
Southwest
Sat 7/187:15 am
MIA
- JAX
2 stops10h 25m
Southwest
Deal found 6/4![Southwest logo]()
$360
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.
Sat 10/171:20 pm
JAX
- EYW
1 stop6h 23m
Delta
Wed 10/216:00 pm
EYW
- JAX
1 stop6h 02m
Delta
Deal found 6/6![Delta logo]()
$367
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:25 am
JAX
- MIA
2 stops7h 25m
Southwest
Fri 7/36:20 am
MIA
- JAX
1 stop7h 15m
Southwest
Deal found 6/5![Southwest logo]()
$363
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 10/161:20 pm
JAX
- EYW
1 stop3h 51m
Delta
Mon 10/192:35 pm
EYW
- JAX
1 stop7h 03m
Delta
Deal found 6/7![Delta logo]()
$367
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.
Sat 7/41:05 pm
JAX
- EYW
1 stop6h 48m
Delta
Wed 7/87:50 am
EYW
- JAX
1 stop5h 55m
Delta
Deal found 6/6![Delta logo]()
$368
This Southwest deal was found by Cheapflights users on 6/2. 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.
Thu 7/166:55 am
JAX
- MIA
1 stop7h 25m
Southwest
Sat 7/187:15 am
MIA
- JAX
2 stops10h 25m
Southwest
Deal found 6/2![Southwest logo]()
$378
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.
Fri 8/2812:59 pm
JAX
- EYW
1 stop6h 58m
Delta
Mon 8/316:15 pm
EYW
- JAX
1 stop5h 40m
Delta
Deal found 6/6![Delta logo]()
$377
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:55 am
JAX
- MIA
1 stop7h 25m
Southwest
Sat 8/110:40 am
MIA
- JAX
1 stop11h 10m
Southwest
Deal found 6/7![Southwest logo]()
$378
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:00 am
JAX
- MIA
2 stops11h 15m
Southwest
Sun 8/236:45 am
MIA
- JAX
2 stops8h 30m
Southwest
Deal found 6/7![Southwest logo]()
$383
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.
Wed 8/52:29 pm
JAX
- EYW
1 stop5h 28m
Delta
Mon 8/107:40 am
EYW
- JAX
1 stop4h 04m
Delta
Deal found 6/7![Delta logo]()
$393
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:25 am
JAX
- MIA
2 stops8h 45m
Southwest
Thu 8/137:00 am
MIA
- JAX
2 stops8h 15m
Southwest
Deal found 6/7![Southwest logo]()
$383
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.
Tue 8/411:00 am
JAX
- MIA
2 stops10h 50m
Southwest
Fri 8/77:00 am
MIA
- JAX
2 stops8h 55m
Southwest
Deal found 6/6![Southwest logo]()
$383
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.
Thu 10/291:20 pm
JAX
- EYW
1 stop3h 51m
Delta
Sun 11/16:00 pm
EYW
- JAX
1 stop4h 43m
Delta
Deal found 6/7![Delta logo]()
$493
This Delta deal was found by Cheapflights users on 6/3. 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 10/93:45 pm
JAX
- EYW
1 stop3h 58m
Delta
Mon 10/126:00 pm
EYW
- JAX
1 stop6h 02m
Delta
Deal found 6/3![Delta logo]()
$499
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.
Tue 7/212:50 pm
JAX
- EYW
1 stop5h 01m
Delta
Mon 7/276:18 pm
EYW
- JAX
1 stop17h 42m
Delta
Deal found 6/6![Delta logo]()
$502
Last-minute flights from Jacksonville to Florida KeysDiscover last-minute flight deals from Jacksonville to Florida Keys. Data last updated June 8, 2026 and is based on user searches.
Discover last-minute flight deals from Jacksonville to Florida Keys. Data last updated June 8, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 6/4. 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.
Wed 7/13:59 pm
JAX
- MIA
1 stop6h 38m
Frontier
Wed 7/89:33 pm
MIA
- JAX
1 stop12h 16m
Frontier
Deal found 6/4![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 7/56:29 pm
JAX
- MIA
1 stop19h 24m
Frontier
Sat 7/118:30 am
MIA
- JAX
1 stop9h 04m
Frontier
Deal found 6/4![Frontier logo]()
$209
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.
Mon 7/66:29 pm
JAX
- MIA
1 stop19h 24m
Frontier
Fri 8/78:30 am
MIA
- JAX
1 stop9h 04m
Frontier
Deal found 6/7![Frontier logo]()
$233
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.
Tue 7/76:29 pm
JAX
- MIA
1 stop22h 04m
Frontier
Fri 7/1011:19 am
MIA
- JAX
1 stop6h 15m
Frontier
Deal found 6/6![Frontier logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:29 pm
JAX
- MIA
1 stop5h 11m
Frontier
Wed 7/2911:19 am
MIA
- JAX
1 stop6h 15m
Frontier
Deal found 6/5![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:29 pm
JAX
- MIA
1 stop5h 11m
Frontier
Sun 7/128:30 am
MIA
- JAX
1 stop9h 04m
Frontier
Deal found 6/5![Frontier logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:29 pm
JAX
- MIA
1 stop5h 11m
Frontier
Mon 7/275:28 pm
MIA
- JAX
1 stop24h 06m
Frontier
Deal found 6/5![Frontier logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 7/136:29 pm
JAX
- MIA
1 stop28h 36m
Frontier
Fri 7/178:30 am
MIA
- JAX
1 stop9h 04m
Frontier
Deal found 6/4![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:29 pm
JAX
- MIA
1 stop22h 04m
Frontier
Wed 8/2611:19 am
MIA
- JAX
1 stop6h 18m
Frontier
Deal found 6/5![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:29 pm
JAX
- MIA
1 stop5h 11m
Frontier
Sat 7/255:54 pm
MIA
- JAX
1 stop23h 40m
Frontier
Deal found 6/4![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 7/196:29 pm
JAX
- MIA
1 stop28h 36m
Frontier
Sun 7/268:30 am
MIA
- JAX
1 stop9h 04m
Frontier
Deal found 6/4![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 7/308:41 pm
JAX
- EYW
1 stop21h 47m
Multiple Airlines
Tue 8/41:14 pm
EYW
- JAX
2 stops28h 20m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$254
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 June 8, 2026.
Search for one-way flight options from Jacksonville to Florida Keys. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 8/278:48 pm
JAX
- MIA
1 stop13h 28m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:48 pm
JAX
- MIA
1 stop13h 28m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:29 pm
JAX
- MIA
1 stop5h 11m
Frontier
Deal found 6/5![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:29 pm
JAX
- MIA
1 stop28h 36m
Frontier
Deal found 6/4![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 6/306:28 pm
JAX
- MIA
1 stop19h 21m
Frontier
Deal found 6/4![Frontier logo]()
$113
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.
Wed 7/16:28 pm
JAX
- MIA
1 stop4h 35m
Frontier
Deal found 6/7![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:28 pm
JAX
- MIA
1 stop23h 28m
Frontier
Deal found 6/5![Frontier logo]()
$116
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.
Tue 8/49:03 pm
JAX
- MIA
1 stop23h 27m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$117
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 9/176:46 pm
JAX
- MIA
1 stop26h 18m
Frontier
Deal found 6/6![Frontier logo]()
$118
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.
Sat 7/116:29 pm
JAX
- MIA
1 stop19h 24m
Frontier
Deal found 6/7![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 8/138:45 pm
JAX
- EYW
1 stop21h 52m
Allegiant Air
Deal found 6/3![Allegiant Air logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 6/236:28 pm
JAX
- MIA
1 stop22h 03m
Frontier
Deal found 6/4![Frontier logo]()
$120
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 June 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $196 (Kiwi.com) |
One-way from | $101 (Kiwi.com) |
Popular in | September |
Cheapest in | August |
Average price | $564 |
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 June 8, 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
JacksonvilleMiami
JAX - MIA
JAXMIA
Jacksonville
Sat 8/1
6:29 pm-11:40 pm
1 stop5h 11m
Miami
Tue 8/4
11:19 am-5:34 pm
1 stop6h 15m
$233
JacksonvilleMiami
JAX - MIA
JAXMIA
Jacksonville
Wed 11/4
6:35 am-11:25 am
1 stop4h 50m
Miami
Thu 11/12
2:40 pm-11:45 pm
2 stops9h 05m
$348
JacksonvilleKey West
JAX - EYW
JAXEYW
Jacksonville
Sat 9/12
5:30 am-10:58 am
1 stop5h 28m
Key West
Wed 9/16
7:40 am-1:23 pm
1 stop5h 43m
$357
JacksonvilleMiami
JAX - MIA
JAXMIA
Jacksonville
Tue 7/14
2:20 pm-10:55 pm
2 stops8h 35m
Miami
Sat 7/18
7:15 am-5:40 pm
2 stops10h 25m
$360
JacksonvilleMiami
JAX - MIA
JAXMIA
Jacksonville
Wed 7/1
8:25 am-3:50 pm
2 stops7h 25m
Miami
Fri 7/3
6:20 am-1:35 pm
1 stop7h 15m
$363
JacksonvilleKey West
JAX - EYW
JAXEYW
Jacksonville
Sat 10/17
1:20 pm-7:43 pm
1 stop6h 23m
Key West
Wed 10/21
6:00 pm-12:02 am
1 stop6h 02m
$367
JacksonvilleKey West
JAX - EYW
JAXEYW
Jacksonville
Fri 10/16
1:20 pm-5:11 pm
1 stop3h 51m
Key West
Mon 10/19
2:35 pm-9:38 pm
1 stop7h 03m
$367
JacksonvilleKey West
JAX - EYW
JAXEYW
Jacksonville
Sat 7/4
1:05 pm-7:53 pm
1 stop6h 48m
Key West
Wed 7/8
7:50 am-1:45 pm
1 stop5h 55m
$368
JacksonvilleKey West
JAX - EYW
JAXEYW
Jacksonville
Fri 8/28
12:59 pm-7:57 pm
1 stop6h 58m
Key West
Mon 8/31
6:15 pm-11:55 pm
1 stop5h 40m
$377
JacksonvilleMiami
JAX - MIA
JAXMIA
Jacksonville
Thu 7/16
6:55 am-2:20 pm
1 stop7h 25m
Miami
Sat 7/18
7:15 am-5:40 pm
2 stops10h 25m
$378
Showing 1-10 of 38 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-MIA
JAX-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 Jacksonville to Florida Keys
JAX-zzEOA
JAX-MIA
JAX-EYW
What is the cheapest month to book a flight from Jacksonville to Florida Keys?
Currently, January is the cheapest month in which you can book a flight from Jacksonville to Florida Keys (average of $132). Flying from Jacksonville to Florida Keys in February is currently the most expensive (average of $340). 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 Jacksonville to Florida Keys?
The best time to book flights from Jacksonville to Florida Keys is 52 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 8, 2026.
Read through reviews of airlines operating flights from Jacksonville to Florida Keys, such as Southwest,Delta, andAmerican 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.
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Alternative routes for Jacksonville to Florida Keys
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Florida Keys by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Jacksonville to Florida Keys by cabin class
Find flights from Jacksonville to Florida Keys, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Jacksonville and Florida Keys flights
Browse other Jacksonville and Florida Keys flight options. Last updated on June 8, 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 June 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$278 | Average$459 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$326 | Average$534 | FlexibilityNo cancel fee | On-timeN/A |