$225+ Cheap flights from Key Largo, FL to Heidelberg, Germany
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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — FRA
mars 2 — mars 91
1 adult, Economy
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Find cheap flights from Key Largo to Heidelberg with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Key Largo to Heidelberg are usually found in January or February, booked 89 days in advance, depart on a Monday or Tuesday and return on a Tuesday
Cheap flight deals from Key Largo to Heidelberg
Cheapest
Best
Last-minute
One-way
Cheapest flights from Key Largo to HeidelbergExplore the most affordable flight options available from Key Largo to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on janvier 31, 2026.
Explore the most affordable flight options available from Key Largo to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on janvier 31, 2026.
This AirNGo deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 2/111:50 pm
MIA
- FRA
1 stop16h 50m
TAP AIR PORTUGAL
mar. 2/175:45 pm
FRA
- MIA
1 stop27h 05m
TAP AIR PORTUGAL
Deal found 1/29![TAP AIR PORTUGAL logo]()
$532
This Billigflug deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 3/44:35 pm
MIA
- FRA
1 stop13h 55m
TAP AIR PORTUGAL
sam. 3/145:45 pm
FRA
- MIA
1 stop27h 05m
TAP AIR PORTUGAL
Deal found 1/31![TAP AIR PORTUGAL logo]()
$540
This oojo deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 3/411:35 pm
MIA
- FRA
1 stop17h 05m
TAP AIR PORTUGAL
jeu. 3/125:45 pm
FRA
- MIA
1 stop27h 05m
TAP AIR PORTUGAL
Deal found 1/31![TAP AIR PORTUGAL logo]()
$543
This oojo deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/293:50 am
MIA
- FRA
1 stop32h 50m
TAP AIR PORTUGAL
lun. 5/117:40 pm
FRA
- MIA
1 stop24h 50m
TAP AIR PORTUGAL
Deal found 1/30![TAP AIR PORTUGAL logo]()
$547
This deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/226:15 pm
MIA
- FRA
1 stop16h 05m
Icelandair
mar. 4/282:00 pm
FRA
- MIA
1 stop13h 55m
Icelandair
Deal found 1/30![Icelandair logo]()
$551
This oojo deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/94:35 pm
MIA
- FRA
1 stop13h 55m
TAP AIR PORTUGAL
mer. 3/46:00 am
FRA
- MIA
1 stop14h 50m
TAP AIR PORTUGAL
Deal found 1/29![TAP AIR PORTUGAL logo]()
$559
This FlightHub deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 2/811:50 pm
MIA
- FRA
1 stop16h 50m
TAP AIR PORTUGAL
mar. 3/36:00 am
FRA
- MIA
1 stop14h 50m
TAP AIR PORTUGAL
Deal found 1/30![TAP AIR PORTUGAL logo]()
$560
This oojo deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 2/194:35 pm
MIA
- FRA
1 stop13h 55m
TAP AIR PORTUGAL
lun. 3/25:45 pm
FRA
- MIA
1 stop27h 05m
TAP AIR PORTUGAL
Deal found 1/29![TAP AIR PORTUGAL logo]()
$579
This Gurufare deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 2/115:15 pm
MIA
- FRA
1 stop12h 50m
Icelandair
jeu. 3/51:05 pm
FRA
- MIA
1 stop13h 50m
Icelandair
Deal found 1/30![Icelandair logo]()
$582
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/238:40 pm
MIA
- FRA
1 stop11h 50m
Scandinavian Airlines
mar. 3/103:15 pm
FRA
- MIA
1 stop33h 20m
Scandinavian Airlines
Deal found 1/28![Scandinavian Airlines logo]()
$587
This AirNGo deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/96:00 am
MIA
- FRA
1 stop21h 40m
Virgin Atlantic
mar. 3/249:50 am
FRA
- MIA
1 stop20h 02m
Virgin Atlantic
Deal found 1/29![Virgin Atlantic logo]()
$593
Best flights from Key Largo to HeidelbergDiscover carefully curated flight deals from Key Largo to Heidelberg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated janvier 31, 2026.
Discover carefully curated flight deals from Key Largo to Heidelberg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated janvier 31, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/238:40 pm
MIA
- FRA
1 stop31h 10m
Scandinavian Airlines
ven. 2/273:15 pm
FRA
- MIA
1 stop33h 20m
Scandinavian Airlines
Deal found 1/28![Scandinavian Airlines logo]()
$594
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/93:33 pm
MIA
- FRA
1 stop12h 07m
Delta
mar. 3/246:55 am
FRA
- MIA
2 stops16h 59m
Delta
Deal found 1/30![Delta logo]()
$644
This Virgin Atlantic deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/36:00 am
MIA
- FRA
2 stops19h 50m
Virgin Atlantic
mar. 3/1710:40 am
FRA
- MIA
2 stops19h 12m
Virgin Atlantic
Deal found 1/30![Virgin Atlantic logo]()
$657
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 2/156:00 am
MIA
- FRA
1 stop20h 40m
Delta
jeu. 2/266:55 am
FRA
- MIA
2 stops17h 26m
Delta
Deal found 1/30![Delta logo]()
$652
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 3/48:05 am
MIA
- FRA
1 stop17h 45m
Delta
ven. 3/1310:15 am
FRA
- MIA
2 stops18h 09m
Delta
Deal found 1/30![Delta logo]()
$652
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/311:34 am
MIA
- FRA
2 stops15h 21m
Delta
jeu. 3/126:55 am
FRA
- MIA
2 stops16h 59m
Delta
Deal found 1/28![Delta logo]()
$655
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/234:46 pm
MIA
- FRA
2 stops14h 54m
Delta
mar. 3/106:55 am
FRA
- MIA
2 stops16h 59m
Delta
Deal found 1/28![Delta logo]()
$661
Last-minute flights from Key Largo to HeidelbergDiscover last-minute flight deals from Key Largo to Heidelberg. Data last updated janvier 31, 2026 and is based on user searches.
Discover last-minute flight deals from Key Largo to Heidelberg. Data last updated janvier 31, 2026 and is based on user searches.
This AirNGo deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 2/111:50 pm
MIA
- FRA
1 stop16h 50m
TAP AIR PORTUGAL
mar. 2/175:45 pm
FRA
- MIA
1 stop27h 05m
TAP AIR PORTUGAL
Deal found 1/29![TAP AIR PORTUGAL logo]()
$532
This Kiwi.com deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 2/64:35 pm
MIA
- FRA
1 stop13h 55m
TAP AIR PORTUGAL
lun. 3/25:45 pm
FRA
- MIA
1 stop27h 05m
TAP AIR PORTUGAL
Deal found 1/30![TAP AIR PORTUGAL logo]()
$605
This FlightHub deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 2/811:50 pm
MIA
- FRA
1 stop16h 50m
TAP AIR PORTUGAL
mar. 3/36:00 am
FRA
- MIA
1 stop14h 50m
TAP AIR PORTUGAL
Deal found 1/30![TAP AIR PORTUGAL logo]()
$560
This oojo deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/94:35 pm
MIA
- FRA
1 stop13h 55m
TAP AIR PORTUGAL
mer. 3/46:00 am
FRA
- MIA
1 stop14h 50m
TAP AIR PORTUGAL
Deal found 1/29![TAP AIR PORTUGAL logo]()
$559
This Gurufare deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 2/115:15 pm
MIA
- FRA
1 stop12h 50m
Icelandair
jeu. 3/51:05 pm
FRA
- MIA
1 stop13h 50m
Icelandair
Deal found 1/30![Icelandair logo]()
$582
This oojo deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 2/1511:50 pm
MIA
- FRA
1 stop16h 50m
TAP AIR PORTUGAL
jeu. 2/266:00 am
FRA
- MIA
1 stop14h 30m
TAP AIR PORTUGAL
Deal found 1/30![TAP AIR PORTUGAL logo]()
$543
This oojo deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 2/194:35 pm
MIA
- FRA
1 stop13h 55m
TAP AIR PORTUGAL
lun. 3/25:45 pm
FRA
- MIA
1 stop27h 05m
TAP AIR PORTUGAL
Deal found 1/29![TAP AIR PORTUGAL logo]()
$579
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/238:40 pm
MIA
- FRA
1 stop11h 50m
Scandinavian Airlines
mar. 3/103:15 pm
FRA
- MIA
1 stop33h 20m
Scandinavian Airlines
Deal found 1/28![Scandinavian Airlines logo]()
$587
This Scandinavian Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/238:40 pm
MIA
- FRA
1 stop31h 10m
Scandinavian Airlines
ven. 2/273:15 pm
FRA
- MIA
1 stop33h 20m
Scandinavian Airlines
Deal found 1/28![Scandinavian Airlines logo]()
$594
One-way flights from Key Largo to HeidelbergSearch for one-way flight options from Key Largo to Heidelberg. Find affordable one-way fares based on user searches. Data last updated janvier 31, 2026.
Search for one-way flight options from Key Largo to Heidelberg. Find affordable one-way fares based on user searches. Data last updated janvier 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 2/256:00 am
MIA
- FRA
3 stops31h 20m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 3/187:00 am
MIA
- FRA
3 stops31h 20m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 3/296:15 pm
MIA
- FRA
3 stops34h 00m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/149:35 pm
MIA
- FRA
2 stops28h 45m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/2711:08 am
MIA
- FRA
3 stops41h 07m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 2/186:00 am
MIA
- FRA
3 stops44h 20m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/36:45 pm
MIA
- FRA
3 stops31h 35m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/136:02 am
MIA
- FRA
2 stops22h 13m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$322
Find flight deals from Key Largo to Heidelberg
Keep the following information in mind while searching for Key Largo to Heidelberg flight deals. Data was last updated janvier 31, 2026.
Round-trip from | $540 (Billigflug) |
|---|---|
One-way from | $225 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $589 |
Cheapflights Fare Finder
Customize your flight search to find flights from Key Largo to Heidelberg 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 janvier 31, 2026.
Use the filters below to find and compare flights from Key Largo to Heidelberg that are best for you.
Fly from
Key Largo
Fly to
Heidelberg
Route
Depart
Return
Price
MiamiFrankfurt am Main
MIA - FRA
MIAFRA
Miami
lun. 2/23
8:40 pm-9:50 am
1 stop31h 10m
Frankfurt am Main
ven. 2/27
3:15 pm-6:35 pm
1 stop33h 20m
$594
MiamiFrankfurt am Main
MIA - FRA
MIAFRA
Miami
lun. 3/9
3:33 pm-8:40 am
1 stop12h 07m
Frankfurt am Main
mar. 3/24
6:55 am-6:54 pm
2 stops16h 59m
$644
MiamiFrankfurt am Main
MIA - FRA
MIAFRA
Miami
dim. 2/15
6:00 am-8:40 am
1 stop20h 40m
Frankfurt am Main
jeu. 2/26
6:55 am-6:21 pm
2 stops17h 26m
$652
MiamiFrankfurt am Main
MIA - FRA
MIAFRA
Miami
mer. 3/4
8:05 am-7:50 am
1 stop17h 45m
Frankfurt am Main
ven. 3/13
10:15 am-11:24 pm
2 stops18h 09m
$652
MiamiFrankfurt am Main
MIA - FRA
MIAFRA
Miami
mar. 3/3
11:34 am-8:55 am
2 stops15h 21m
Frankfurt am Main
jeu. 3/12
6:55 am-6:54 pm
2 stops16h 59m
$655
MiamiFrankfurt am Main
MIA - FRA
MIAFRA
Miami
mar. 3/3
6:00 am-7:50 am
2 stops19h 50m
Frankfurt am Main
mar. 3/17
10:40 am-12:52 am
2 stops19h 12m
$657
MiamiFrankfurt am Main
MIA - FRA
MIAFRA
Miami
lun. 2/23
4:46 pm-1:40 pm
2 stops14h 54m
Frankfurt am Main
mar. 3/10
6:55 am-6:54 pm
2 stops16h 59m
$661
MiamiFrankfurt am Main
MIA - FRA
MIAFRA
Miami
lun. 4/27
11:08 am-10:15 am
3 stops41h 07m
$312
MiamiFrankfurt am Main
MIA - FRA
MIAFRA
Miami
sam. 5/2
8:00 am-7:25 am
2 stops41h 25m
$314
MiamiFrankfurt am Main
MIA - FRA
MIAFRA
Miami
jeu. 5/14
9:35 pm-6:15 pm
1 stop14h 40m
$316
Showing 1-10 of 18 results
Best time to book a flight from Key Largo to Heidelberg
Have a flexible travel schedule? Discover the best time to fly to Heidelberg from Key Largo with our price prediction graph.
MIA-FRA
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 Key Largo to Heidelberg
KE9-HE1
MIA-FRA
How far ahead should I book a flight from Key Largo to Heidelberg?
Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Heidelberg. Price data was last updated on January 30, 2026.
Booking 89 days in advance of your planned departure date is, on average, the best time to get cheap flights from Key Largo to Heidelberg. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Key Largo to Heidelberg?
Currently, May is the cheapest month in which you can book a flight from Key Largo to Heidelberg (average of $404). Flying from Key Largo to Heidelberg in August is currently the most expensive (average of $677). 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.
What is the cheapest time of day to fly from KE9 to HE1?
Find hourly flight availability from Key Largo to Heidelberg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated janvier 31, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Key Largo to Heidelberg as you normally would.
Weekly flight availability from Key Largo to Heidelberg
Explore weekly flight availability from Key Largo to Heidelberg. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated janvier 31, 2026.
The most flights from KE9 to HE1 are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
How much does it cost to fly round-trip from Key Largo to Heidelberg?
Reviews of airlines servicing Heidelberg
Get insights into the airlines that provide service to Heidelberg. 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 Heidelberg. Reviews last updated janvier 31, 2026.
Peruse reviews from past customers who have flown with United Airlines, TAP AIR PORTUGAL, and Air Europa from Key Largo to Heidelberg to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.6
Overall
7.4
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Overall
7.4
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Overall
7.4
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Overall
7.4
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Overall
7.4
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Overall
7.4
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
Find useful and relevant information for your journey from Key Largo to Heidelberg. 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 Key Largo to Heidelberg
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Key Largo to Heidelberg
Discover the top 10 airlines that operate flights from Key Largo to Heidelberg. 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 janvier 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$403 | Average$767 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$500 | Average$781 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$536 | Average$885 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$548 | Average$636 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$551 | Average$717 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$614 | Average$712 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$627 | Average$1,013 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$629 | Average$1,046 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$676 | Average$903 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$682 | Average$899 | FlexibilityNo cancel fee | On-time70% |