$149+ Cheap flights from Harrisburg (MDT) to Key Largo, FL
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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — MIA
Jun 27 — Jul 41
Round-trip
1 adult, Economy
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Find cheap flights from Harrisburg to Key Largo 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 Harrisburg to Key LargoExplore the most affordable flight options available from Harrisburg to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 28, 2026.
Explore the most affordable flight options available from Harrisburg to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 28, 2026.
This Delta deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” 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 10/176:25 pm
MDT
- MIA
1 stop6h 27m
Delta
Sat 10/246:00 am
MIA
- MDT
1 stop5h 36m
Delta
Deal found 5/26![Delta logo]()
$241
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 7/46:22 pm
MDT
- MIA
1 stop6h 29m
Delta
Fri 7/106:00 am
MIA
- MDT
1 stop4h 56m
Delta
Deal found 5/27![Delta logo]()
$269
This American Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:39 pm
MDT
- MIA
1 stop5h 10m
American Airlines
Sat 6/67:04 pm
MIA
- MDT
1 stop5h 22m
American Airlines
Deal found 5/27![American Airlines logo]()
$290
This American Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:38 pm
MDT
- MIA
1 stop5h 14m
American Airlines
Thu 7/235:23 pm
MIA
- MDT
1 stop7h 02m
American Airlines
Deal found 5/24![American Airlines logo]()
$297
This American Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:40 pm
MDT
- MIA
1 stop5h 09m
American Airlines
Mon 6/226:12 pm
MIA
- MDT
1 stop4h 56m
American Airlines
Deal found 5/27![American Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 7/107:38 pm
MDT
- MIA
1 stop5h 14m
American Airlines
Tue 7/146:45 am
MIA
- MDT
1 stop7h 15m
American Airlines
Deal found 5/27![American Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:39 pm
MDT
- MIA
1 stop5h 10m
American Airlines
Sat 6/67:04 pm
MIA
- MDT
1 stop5h 22m
American Airlines
Deal found 5/24![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:38 pm
MDT
- MIA
1 stop5h 14m
American Airlines
Sun 7/266:45 am
MIA
- MDT
1 stop7h 10m
American Airlines
Deal found 5/27![American Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:40 pm
MDT
- MIA
1 stop5h 09m
American Airlines
Wed 6/105:19 pm
MIA
- MDT
1 stop7h 07m
American Airlines
Deal found 5/24![American Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 6/2912:22 pm
MDT
- MIA
1 stop5h 42m
Delta
Fri 7/106:00 am
MIA
- MDT
1 stop4h 56m
Delta
Deal found 5/27![Delta logo]()
$332
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 7/46:22 pm
MDT
- MIA
1 stop6h 29m
Delta
Thu 7/97:10 am
MIA
- MDT
1 stop7h 00m
Delta
Deal found 5/27![Delta logo]()
$336
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:08 am
MDT
- MIA
1 stop5h 33m
American Airlines
Tue 11/245:30 pm
MIA
- MDT
1 stop4h 46m
American Airlines
Deal found 5/22![American Airlines logo]()
$339
Best flights from Harrisburg to Key LargoDiscover carefully curated flight deals from Harrisburg to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 28, 2026.
Discover carefully curated flight deals from Harrisburg to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 28, 2026.
This American Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:39 pm
MDT
- MIA
1 stop5h 10m
American Airlines
Sat 6/67:04 pm
MIA
- MDT
1 stop5h 22m
American Airlines
Deal found 5/27![American Airlines logo]()
$290
This United Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 6/296:30 am
MDT
- MIA
1 stop8h 30m
United Airlines
Thu 7/912:30 pm
MIA
- MDT
1 stop8h 59m
United Airlines
Deal found 5/27![United Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 5/302:00 pm
MDT
- MIA
1 stop7h 27m
Delta
Sat 6/65:57 pm
MIA
- MDT
1 stop5h 54m
Delta
Deal found 5/24![Delta logo]()
$447
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:39 pm
MDT
- MIA
1 stop5h 10m
American Airlines
Wed 6/105:19 pm
MIA
- MDT
1 stop7h 07m
American Airlines
Deal found 5/23![American Airlines logo]()
$290
This United Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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.
Wed 6/36:15 am
MDT
- MIA
1 stop5h 20m
United Airlines
Sat 6/68:48 am
MIA
- MDT
2 stops12h 41m
United Airlines
Deal found 5/27![United Airlines logo]()
$525
This Delta deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 6/811:56 am
MDT
- MIA
1 stop6h 13m
Delta
Sat 6/136:00 am
MIA
- MDT
1 stop5h 11m
Delta
Deal found 5/24![Delta logo]()
$569
This United Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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.
Tue 6/96:15 am
MDT
- MIA
1 stop5h 20m
United Airlines
Sat 6/1312:30 pm
MIA
- MDT
1 stop8h 59m
United Airlines
Deal found 5/25![United Airlines logo]()
$629
This United Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 6/182:12 pm
MDT
- MIA
1 stop8h 15m
United Airlines
Tue 6/2312:30 pm
MIA
- MDT
1 stop8h 59m
United Airlines
Deal found 5/25![United Airlines logo]()
$629
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:59 pm
MDT
- MIA
2 stops15h 25m
United Airlines
Wed 7/2212:30 pm
MIA
- MDT
1 stop7h 18m
United Airlines
Deal found 5/23![United Airlines logo]()
$651
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/302:17 pm
MDT
- MIA
1 stop8h 10m
United Airlines
Sat 6/67:07 am
MIA
- MDT
2 stops11h 37m
United Airlines
Deal found 5/23![United Airlines logo]()
$672
This United Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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.
Sun 6/77:59 pm
MDT
- MIA
1 stop15h 36m
United Airlines
Sat 6/1312:30 pm
MIA
- MDT
1 stop8h 59m
United Airlines
Deal found 5/24![United Airlines logo]()
$672
This United Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” 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.
Wed 6/102:12 pm
MDT
- MIA
1 stop8h 15m
United Airlines
Sun 6/141:10 pm
MIA
- MDT
1 stop5h 34m
United Airlines
Deal found 5/26![United Airlines logo]()
$678
Last-minute flights from Harrisburg to Key LargoDiscover last-minute flight deals from Harrisburg to Key Largo. Data last updated May 28, 2026 and is based on user searches.
Discover last-minute flight deals from Harrisburg to Key Largo. Data last updated May 28, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:37 pm
MDT
- MIA
1 stop6h 26m
American Airlines
Tue 6/25:18 pm
MIA
- MDT
1 stop7h 08m
American Airlines
Deal found 5/26![American Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:39 pm
MDT
- MIA
1 stop5h 10m
American Airlines
Sat 6/67:04 pm
MIA
- MDT
1 stop5h 22m
American Airlines
Deal found 5/24![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:39 pm
MDT
- MIA
1 stop5h 10m
American Airlines
Sat 6/67:04 pm
MIA
- MDT
1 stop5h 22m
American Airlines
Deal found 5/27![American Airlines logo]()
$290
This American Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:40 pm
MDT
- MIA
1 stop5h 09m
American Airlines
Wed 6/105:19 pm
MIA
- MDT
1 stop7h 07m
American Airlines
Deal found 5/24![American Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:40 pm
MDT
- MIA
1 stop5h 09m
American Airlines
Mon 6/226:12 pm
MIA
- MDT
1 stop4h 56m
American Airlines
Deal found 5/27![American Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1712:03 pm
MDT
- MIA
1 stop8h 00m
American Airlines
Sat 6/204:50 pm
MIA
- MDT
1 stop6h 22m
American Airlines
Deal found 5/27![American Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 6/197:40 pm
MDT
- MIA
1 stop5h 09m
American Airlines
Sat 6/277:45 am
MIA
- MDT
1 stop6h 15m
American Airlines
Deal found 5/27![American Airlines logo]()
$353
This American Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:40 pm
MDT
- MIA
1 stop5h 09m
American Airlines
Tue 6/236:20 am
MIA
- MDT
1 stop5h 17m
American Airlines
Deal found 5/26![American Airlines logo]()
$297
This American Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:40 pm
MDT
- MIA
1 stop5h 09m
American Airlines
Wed 7/16:45 am
MIA
- MDT
1 stop7h 15m
American Airlines
Deal found 5/25![American Airlines logo]()
$241
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 6/2912:22 pm
MDT
- MIA
1 stop5h 42m
Delta
Fri 7/106:00 am
MIA
- MDT
1 stop4h 56m
Delta
Deal found 5/27![Delta logo]()
$332
This American Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/297:40 pm
MDT
- MIA
1 stop5h 09m
American Airlines
Sat 7/116:45 am
MIA
- MDT
1 stop7h 15m
American Airlines
Deal found 5/27![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 6/306:04 am
MDT
- MIA
1 stop4h 52m
Delta
Thu 7/96:00 am
MIA
- MDT
1 stop4h 56m
Delta
Deal found 5/27![Delta logo]()
$336
One-way flights from Harrisburg to Key LargoSearch for one-way flight options from Harrisburg to Key Largo. Find affordable one-way fares based on user searches. Data last updated May 28, 2026.
Search for one-way flight options from Harrisburg to Key Largo. Find affordable one-way fares based on user searches. Data last updated May 28, 2026.
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 7/2111:41 am
MDT
- MIA
1 stop5h 14m
Delta
Deal found 5/27![Delta logo]()
$149
This American Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/101:37 pm
MDT
- MIA
1 stop5h 17m
American Airlines
Deal found 5/25![American Airlines logo]()
$164
This United Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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.
Sat 6/206:15 am
MDT
- MIA
1 stop5h 20m
United Airlines
Deal found 5/24![United Airlines logo]()
$185
This American Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:40 pm
MDT
- MIA
1 stop5h 09m
American Airlines
Deal found 5/27![American Airlines logo]()
$194
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:58 pm
MDT
- MIA
2 stops28h 21m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$195
This American Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/192:23 pm
MDT
- MIA
2 stops9h 13m
American Airlines
Deal found 5/26![American Airlines logo]()
$199
This Delta deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 6/196:22 pm
MDT
- MIA
1 stop6h 29m
Delta
Deal found 5/25![Delta logo]()
$200
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:42 pm
MDT
- MIA
2 stops44h 11m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 8/25:58 pm
MDT
- MIA
2 stops30h 33m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” 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 7/265:58 pm
MDT
- MIA
2 stops28h 21m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$216
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/165:58 pm
MDT
- MIA
3 stops26h 27m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$218
Find flight deals from Harrisburg to Key Largo
Keep the following information in mind while searching for Harrisburg to Key Largo flight deals. Data was last updated May 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $241 (Delta) |
One-way from | $149 (Delta) |
Popular in | December |
Cheapest in | September |
Average price | $383 |
Cheapflights Fare Finder
Customize your flight search to find flights from Harrisburg to Key Largo 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 28, 2026.
Use the filters below to find and compare flights from Harrisburg to Key Largo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
HarrisburgMiami
MDT - MIA
MDTMIA
Harrisburg
Wed 6/3
7:39 pm-12:49 am
1 stop5h 10m
Miami
Sat 6/6
7:04 pm-12:26 am
1 stop5h 22m
$290
HarrisburgMiami
MDT - MIA
MDTMIA
Harrisburg
Mon 6/1
7:39 pm-12:49 am
1 stop5h 10m
Miami
Wed 6/10
5:19 pm-12:26 am
1 stop7h 07m
$290
HarrisburgMiami
MDT - MIA
MDTMIA
Harrisburg
Mon 6/29
6:30 am-3:00 pm
1 stop8h 30m
Miami
Thu 7/9
12:30 pm-9:29 pm
1 stop8h 59m
$387
HarrisburgMiami
MDT - MIA
MDTMIA
Harrisburg
Sat 5/30
2:00 pm-9:27 pm
1 stop7h 27m
Miami
Sat 6/6
5:57 pm-11:51 pm
1 stop5h 54m
$447
HarrisburgMiami
MDT - MIA
MDTMIA
Harrisburg
Wed 6/3
6:15 am-11:35 am
1 stop5h 20m
Miami
Sat 6/6
8:48 am-9:29 pm
2 stops12h 41m
$525
HarrisburgMiami
MDT - MIA
MDTMIA
Harrisburg
Mon 6/8
11:56 am-6:09 pm
1 stop6h 13m
Miami
Sat 6/13
6:00 am-11:11 am
1 stop5h 11m
$569
HarrisburgMiami
MDT - MIA
MDTMIA
Harrisburg
Tue 6/9
6:15 am-11:35 am
1 stop5h 20m
Miami
Sat 6/13
12:30 pm-9:29 pm
1 stop8h 59m
$629
HarrisburgMiami
MDT - MIA
MDTMIA
Harrisburg
Thu 6/18
2:12 pm-10:27 pm
1 stop8h 15m
Miami
Tue 6/23
12:30 pm-9:29 pm
1 stop8h 59m
$629
HarrisburgMiami
MDT - MIA
MDTMIA
Harrisburg
Mon 7/20
7:59 pm-11:24 am
2 stops15h 25m
Miami
Wed 7/22
12:30 pm-7:48 pm
1 stop7h 18m
$651
HarrisburgMiami
MDT - MIA
MDTMIA
Harrisburg
Sat 5/30
2:17 pm-10:27 pm
1 stop8h 10m
Miami
Sat 6/6
7:07 am-6:44 pm
2 stops11h 37m
$672
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from Harrisburg to Key Largo
Have a flexible travel schedule? Discover the best time to fly to Key Largo from Harrisburg with our price prediction graph.
MDT-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 Harrisburg to Key Largo
MDT-KE9
MDT-MIA
How much does it cost to fly round-trip from Harrisburg to Key Largo?
Reviews of airlines servicing Key Largo
Get insights into the airlines that provide service to Key Largo. 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 Key Largo. Reviews last updated May 28, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Harrisburg to Key Largo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Related info for your journey
Find useful and relevant information for your journey from Harrisburg to Key Largo. 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 Harrisburg to Key Largo
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Key Largo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Harrisburg to Key Largo by cabin class
Find flights from Harrisburg to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Harrisburg and Key Largo flights
Browse other Harrisburg and Key Largo flight options. Last updated on May 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Harrisburg to Key Largo flights
Consider these flights traveling from Harrisburg to Key Largo.
Top 4 airlines flying from Harrisburg to Key Largo
Discover the top 4 airlines that operate flights from Harrisburg to Key Largo. 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 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$163 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$143 | Average$358 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$258 | Average$382 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$258 | Average$428 | FlexibilityNo cancel fee | On-time71% |