$179+ Cheap flights from Harrisburg (MDT) to Key Largo, FL
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — MIA
Oct 10 — Oct 171
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
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 Harrisburg to Key Largo
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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 September 10, 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 September 10, 2026.
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:25 pm -
1 stop6h 28m
Sat 10/248:00 am -
1 stop8h 06m
Deal found 9/9![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 9/6. 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 10/106:25 pm -
1 stop6h 28m
Tue 10/134:24 pm -
1 stop7h 15m
Deal found 9/6![Delta logo]()
$217
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:15 pm -
1 stop5h 44m
Mon 10/57:02 pm -
1 stop5h 22m
Deal found 9/5![American Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:29 pm -
1 stop5h 04m
Mon 10/51:45 pm -
1 stop8h 57m
Deal found 9/5![American Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:13 pm -
1 stop5h 33m
Sun 10/116:04 am -
1 stop4h 50m
Deal found 9/8![Delta logo]()
$288
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am -
1 stop7h 32m
Sun 11/86:50 am -
1 stop6h 39m
Deal found 9/5![American Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 9/6. 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 11/136:23 pm -
1 stop6h 33m
Sat 11/148:00 am -
1 stop8h 18m
Deal found 9/6![Delta logo]()
$308
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/132:10 pm -
1 stop8h 24m
Sun 12/2011:50 am -
1 stop9h 25m
Deal found 9/9![United Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1012:18 pm -
1 stop6h 04m
Mon 10/126:12 pm -
1 stop4h 47m
Deal found 9/7![American Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 9/7. 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 10/236:06 pm -
1 stop6h 47m
Fri 10/306:04 am -
1 stop4h 55m
Deal found 9/7![Delta logo]()
$348
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/252:10 pm -
1 stop8h 21m
Wed 12/212:18 pm -
1 stop6h 45m
Deal found 9/6![United Airlines logo]()
$349
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 September 10, 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 September 10, 2026.
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:06 pm -
1 stop6h 47m
Sat 10/108:00 am -
1 stop8h 06m
Deal found 9/8![Delta logo]()
$197
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:42 am -
1 stop7h 40m
Sat 10/246:51 am -
1 stop4h 51m
Deal found 9/9![American Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:09 pm -
1 stop6h 46m
Tue 10/64:24 pm -
1 stop7h 15m
Deal found 9/9![Delta logo]()
$197
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:30 am -
1 stop8h 29m
Tue 10/612:26 pm -
1 stop9h 06m
Deal found 9/9![United Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:06 pm -
1 stop6h 47m
Sun 10/116:04 am -
1 stop4h 50m
Deal found 9/8![Delta logo]()
$288
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:25 pm -
1 stop6h 28m
Sun 10/116:04 am -
1 stop4h 50m
Deal found 9/8![Delta logo]()
$288
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/132:10 pm -
1 stop8h 21m
Sat 11/148:45 am -
2 stops10h 12m
Deal found 9/6![United Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 9/7. 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 10/236:06 pm -
1 stop6h 47m
Fri 10/306:04 am -
1 stop4h 55m
Deal found 9/7![Delta logo]()
$348
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:06 pm -
1 stop6h 47m
Tue 10/137:36 pm -
2 stops15h 57m
Deal found 9/8![Delta logo]()
$406
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:30 am -
1 stop8h 24m
Sat 10/38:54 am -
2 stops14h 35m
Deal found 9/9![United Airlines logo]()
$552
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:30 am -
1 stop8h 29m
Sat 10/38:54 am -
2 stops14h 35m
Deal found 9/8![United Airlines logo]()
$571
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:40 pm -
3 stops29h 10m
Sun 11/87:02 am -
1 stop6h 22m
Deal found 9/9![United Airlines logo]()
$584
Last-minute flights from Harrisburg to Key LargoDiscover last-minute flight deals from Harrisburg to Key Largo. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Harrisburg to Key Largo. Data last updated September 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:15 pm -
1 stop5h 44m
Mon 10/57:02 pm -
1 stop5h 22m
Deal found 9/5![American Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:29 pm -
1 stop5h 04m
Mon 10/51:45 pm -
1 stop8h 57m
Deal found 9/5![American Airlines logo]()
$287
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:18 pm -
1 stop6h 04m
Fri 10/97:02 pm -
1 stop5h 22m
Deal found 9/5![American Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:13 pm -
1 stop5h 33m
Sun 10/116:04 am -
1 stop4h 50m
Deal found 9/8![Delta logo]()
$288
This American Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:00 pm -
1 stop5h 52m
Wed 10/146:15 am -
1 stop5h 25m
Deal found 9/6![American Airlines logo]()
$367
This American Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:00 pm -
1 stop5h 52m
Tue 10/136:32 pm -
1 stop4h 54m
Deal found 9/6![American Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 9/6. 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 10/106:25 pm -
1 stop6h 28m
Tue 10/134:24 pm -
1 stop7h 15m
Deal found 9/6![Delta logo]()
$217
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1012:18 pm -
1 stop6h 04m
Mon 10/126:12 pm -
1 stop4h 47m
Deal found 9/7![American Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:25 pm -
1 stop6h 28m
Sat 10/248:00 am -
1 stop8h 06m
Deal found 9/9![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 9/7. 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 10/236:06 pm -
1 stop6h 47m
Fri 10/306:04 am -
1 stop4h 55m
Deal found 9/7![Delta logo]()
$348
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am -
1 stop7h 32m
Sun 11/86:50 am -
1 stop6h 39m
Deal found 9/5![American Airlines logo]()
$307
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 September 10, 2026.
Search for one-way flight options from Harrisburg to Key Largo. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:18 pm -
1 stop6h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![American Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/64:05 pm -
2 stops19h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$183
This Delta deal was found by Cheapflights users on 9/7. 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.
Tue 10/66:13 am -
1 stop5h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$189
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:15 am -
2 stops14h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![United Airlines logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 12/34:05 pm -
2 stops26h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$206
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:15 pm -
1 stop5h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$210
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:59 pm -
1 stop5h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![American Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 11/14:08 pm -
3 stops42h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$225
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $197 (Delta) |
One-way from | $179 (American Airlines) |
Popular in | June |
Cheapest in | July |
Average price | $374 |
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 7,457,451 searches. Data last updated September 10, 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
HarrisburgMiami
MDT Harrisburg - MIA Miami
MDTMIA
Harrisburg
Fri 10/23
2:32 pm-8:38 pm
1 stop6h 06m
Miami
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$179
HarrisburgMiami
MDT Harrisburg - MIA Miami
MDTMIA
Harrisburg
Tue 11/10
12:09 pm-5:43 pm
1 stop5h 34m
Miami
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$179
HarrisburgMiami
MDT Harrisburg - MIA Miami
MDTMIA
Harrisburg
Sun 2/28
5:58 pm-12:52 am
1 stop6h 54m
Miami
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$179
HarrisburgMiami
MDT Harrisburg - MIA Miami
MDTMIA
Harrisburg
Wed 12/9
6:33 pm-12:58 am
1 stop6h 25m
Miami
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$189
HarrisburgMiami
MDT Harrisburg - MIA Miami
MDTMIA
Harrisburg
Mon 11/2
6:25 pm-12:53 am
1 stop6h 28m
Miami
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$189
HarrisburgMiami
MDT Harrisburg - MIA Miami
MDTMIA
Harrisburg
Mon 12/7
6:00 am-11:42 am
1 stop5h 42m
Miami
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$189
Quickest round-trip
HarrisburgMiami
MDT Harrisburg - MIA Miami
MDTMIA
Harrisburg
Tue 10/6
12:13 pm-5:46 pm
1 stop5h 33m
Miami
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$189
HarrisburgMiami
MDT Harrisburg - MIA Miami
MDTMIA
Harrisburg
Sat 11/7
6:25 pm-12:53 am
1 stop6h 28m
Miami
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$189
HarrisburgMiami
MDT Harrisburg - MIA Miami
MDTMIA
Harrisburg
Wed 10/7
6:06 pm-12:53 am
1 stop6h 47m
Miami
Sat 10/10
8:00 am-4:06 pm
1 stop8h 06m
$197
HarrisburgMiami
MDT Harrisburg - MIA Miami
MDTMIA
Harrisburg
Sat 10/3
6:09 pm-12:55 am
1 stop6h 46m
Miami
Tue 10/6
4:24 pm-11:39 pm
1 stop7h 15m
$197
Showing 1-10 of 22 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?
Airfare is below average for this route at the moment.
Harrisburg to Key Largo flights typically cost between $341 and $443 in October.The cheapest round-trip price found within the last 5 days was $197 on Delta (Oct 17-Oct 24).
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 September 10, 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
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
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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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 September 10, 2026.
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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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$89 | Average$162 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$143 | Average$397 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$258 | Average$363 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$258 | Average$432 | FlexibilityNo cancel fee | On-time71% |