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Bonn

$281+ Cheap flights from Key Largo, FL to Bonn, 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — FRA
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Bonn are usually found in January or September, booked 6 days in advance, depart on a Wednesday or Thursday and return on a Sunday

Find flight deals from Key Largo to Bonn

Cheapest flights from Key Largo to Bonn
Explore the most affordable flight options available from Key Largo to Bonn. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

This American Airlines deal was found by Cheapflights users on 11/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1010:15 pmMIA - DUS
1 stop17h 25mAmerican Airlines
Tue 11/256:15 amDUS - MIA
1 stop14h 25mAmerican Airlines
Deal found 11/2$525
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2610:40 pmMIA - DUS
1 stop13h 00mDelta
Wed 2/186:40 amDUS - MIA
1 stop19h 50mDelta
Deal found 10/31$563
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2610:40 pmMIA - DUS
1 stop13h 00mDelta
Mon 2/232:35 pmDUS - MIA
1 stop30h 15mDelta
Deal found 10/31$564
This Billigflug deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/108:00 pmMIA - DUS
1 stop11h 45mMultiple Airlines
Tue 11/2511:15 amDUS - MIA
2 stops28h 08mMultiple Airlines
Deal found 11/1$565
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:20 amMIA - DUS
2 stops19h 25mDelta
Wed 2/189:35 amDUS - MIA
1 stop16h 55mDelta
Deal found 10/31$567
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2511:27 amMIA - DUS
2 stops15h 18mDelta
Mon 2/2311:30 amDUS - MIA
1 stop33h 20mDelta
Deal found 10/31$568
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2610:40 pmMIA - DUS
1 stop13h 00mDelta
Thu 2/198:15 amDUS - MIA
2 stops19h 32mDelta
Deal found 10/31$574
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2511:27 amMIA - DUS
2 stops15h 18mDelta
Tue 2/246:40 amDUS - MIA
2 stops20h 10mDelta
Deal found 10/31$577

Cheap flight deals from Key Largo to Bonn

Keep the following information in mind while searching for Key Largo to Bonn flight deals. Data was last updated November 2, 2025.

Round-trip from

$497
(Scandinavian Airlines)

One-way from

$281
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$749
From Key Largo to Bonn
Search Deals
One-way flight from Key Largo to Bonn
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($156 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to Bonn 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 November 2, 2025.
Use the filters below to find and compare flights from Key Largo to Bonn that are best for you.

Fly from

Key Largo

Fly to

Bonn

Route

Depart

Return

Price

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Mon 11/10

10:15 pm-9:40 pm

1 stop17h 25m

Duesseldorf Intl

Tue 11/25

6:15 am-2:40 pm

1 stop14h 25m

$525

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Wed 11/26

10:40 pm-5:40 pm

1 stop13h 00m

Duesseldorf Intl

Tue 2/24

6:40 am-8:20 pm

1 stop19h 40m

$563

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Mon 12/1

11:00 pm-5:40 pm

1 stop12h 40m

Duesseldorf Intl

Mon 2/23

11:30 am-2:50 pm

1 stop33h 20m

$564

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Wed 11/26

10:40 pm-5:40 pm

1 stop13h 00m

Duesseldorf Intl

Thu 2/19

6:15 am-2:50 pm

1 stop14h 35m

$564

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Mon 11/10

11:10 pm-5:40 pm

1 stop12h 30m

Duesseldorf Intl

Tue 11/25

8:15 am-6:25 pm

2 stops16h 10m

$566

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Thu 11/6

10:15 pm-4:15 pm

1 stop12h 00m

Duesseldorf Intl

Thu 11/13

12:05 pm-8:45 pm

1 stop14h 40m

$572

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Mon 11/10

11:10 pm-5:40 pm

1 stop12h 30m

Duesseldorf Intl

Tue 11/25

11:15 am-12:46 am

2 stops19h 31m

$572

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Tue 11/25

4:50 pm-7:40 am

1 stop32h 50m

Duesseldorf Intl

Tue 2/24

9:35 am-8:20 pm

1 stop16h 45m

$576

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Wed 12/10

11:35 pm-8:05 pm

3 stops38h 30m

$281

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Wed 12/10

11:23 am-9:30 am

2 stops16h 07m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 11 results
1
2

Best time to book a flight from Key Largo to Bonn

Have a flexible travel schedule? Discover the best time to fly to Bonn from Key Largo with our price prediction graph.
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 Bonn

How far ahead should I book a flight from Key Largo to Bonn?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Bonn. Price data was last updated on October 31, 2025.

Booking 6 days in advance of your planned departure date is, on average, the best time to get cheap flights from Key Largo to Bonn. 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 Bonn?

Currently, October is the cheapest month in which you can book a flight from Key Largo to Bonn (average of $282). Flying from Key Largo to Bonn 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 BN9?

Find hourly flight availability from Key Largo to Bonn. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 2, 2025.

A simple way to save on the total cost of your ticket is to fly from Key Largo to Bonn in the evening. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Key Largo to Bonn?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Bonn. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Key Largo to Bonn flight should consider departing on Sunday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Key Largo to Bonn

Explore weekly flight availability from Key Largo to Bonn. 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 November 2, 2025.

The most flights from KE9 to BN9 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).

Reviews of airlines servicing Bonn

Get insights into the airlines that provide service to Bonn. 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 Bonn. Reviews last updated November 2, 2025.
Read through reviews of airlines operating flights from Key Largo to Bonn, such as SWISS, Turkish Airlines, and TAP AIR PORTUGAL. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,775 reviews

Boarding

7.6

Crew

8.2

Food

7.1

Entertainment

6.8

Comfort

7.4

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
SWISS
7.5
Good
1,775 reviews
SWISS
7.5
Good
1,775 reviews

Boarding

7.6

Crew

8.2

Food

7.1

Entertainment

6.8

Comfort

7.4

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
Turkish Airlines
7.3
Good
4,038 reviews
SWISS
7.5
Good
1,775 reviews

Boarding

7.6

Crew

8.2

Food

7.1

Entertainment

6.8

Comfort

7.4

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
TAP AIR PORTUGAL
7.1
Good
2,044 reviews
SWISS
7.5
Good
1,775 reviews

Boarding

7.6

Crew

8.2

Food

7.1

Entertainment

6.8

Comfort

7.4

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
Lufthansa
6.8
Okay
7,544 reviews
SWISS
7.5
Good
1,775 reviews

Boarding

7.6

Crew

8.2

Food

7.1

Entertainment

6.8

Comfort

7.4

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
British Airways
6.7
Okay
7,494 reviews
SWISS
7.5
Good
1,775 reviews

Boarding

7.6

Crew

8.2

Food

7.1

Entertainment

6.8

Comfort

7.4

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Bonn. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Key Largo to Bonn?

    Airlines like American Airlines and Delta fly from Key Largo to Bonn in about 13h. The time it takes to get you to your destination can typically vary by up to 4h 25m. Key Largo and Bonn are separated by a distance of 4721 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most reliable airlines from Key Largo to Bonn?

    No one likes to see their flight delayed. When booking a flight from Key Largo to Bonn consider choosing Condor (83%), Alaska Airlines (83%) or Thai Airways (70%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Key Largo to Bonn?

    The cheapest flight price from Key Largo to Bonn is $390. On average you can expect to pay $1,039. The most popular route, (Miami - Duesseldorf Intl), can usually be booked for $491.

  • Can I find deals for flights from Key Largo to Bonn that include hotel bookings?

    Yes. In addition to deals on Key Largo to Bonn flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key Largo to Bonn?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key Largo to Bonn.

  • Can I find deals for business class flights from Key Largo to Bonn?

    Yes. Cheapflights offers flight deals from Key Largo to Bonn by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Key Largo to Bonn?

    Currently, October is the cheapest month in which you can book a flight from Key Largo to Bonn (average of $282). Flying from Key Largo to Bonn 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.

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Top 10 airlines flying from Key Largo to Bonn

Discover the top 10 airlines that operate flights from Key Largo to Bonn. 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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$281Average$842FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$297Average$1,054FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$326Average$703FlexibilityNo cancel feeOn-timeN/A
CondorCheapest$489Average$760FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$532Average$622FlexibilityNo cancel feeOn-time77%
Air EuropaCheapest$578Average$694FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$604Average$946FlexibilityNo cancel feeOn-time71%
IberiaCheapest$614Average$813FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$641Average$795FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$703Average$779FlexibilityNo cancel feeOn-time77%

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