HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bonn

$243+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — FRA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Key Largo to Bonn 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.

Cheapflights Tip: The best prices from Key Largo to Bonn are usually found in January or September, booked 13 days in advance, depart on a Wednesday or Thursday and return on a Sunday

Cheap 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 December 18, 2025.

This oojo deal was found by Cheapflights users on 12/14. 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.
Tue 12/239:49 pmMIA - DUS
2 stops35h 31mBritish Airways
Sun 1/113:55 pmDUS - MIA
1 stop33h 35mBritish Airways
Deal found 12/14$921
This oojo deal was found by Cheapflights users on 12/14. 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.
Tue 12/239:49 pmMIA - DUS
2 stops35h 31mBritish Airways
Sat 1/102:30 pmDUS - MIA
2 stops24h 18mBritish Airways
Deal found 12/14$943
This oojo deal was found by Cheapflights users on 12/15. 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.
Wed 12/2410:00 pmMIA - DUS
1 stop11h 20mBritish Airways
Wed 1/73:55 pmDUS - MIA
1 stop30h 30mBritish Airways
Deal found 12/15$948
This flugladen.de deal was found by Cheapflights users on 12/14. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/233:25 pmMIA - DUS
1 stop25h 10mMultiple Airlines
Sun 1/116:40 pmDUS - MIA
1 stop28h 10mMultiple Airlines
Deal found 12/14$964
This Finnair deal was found by Cheapflights users on 12/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:35 pmMIA - DUS
1 stop17h 20mFinnair
Sun 1/116:40 pmDUS - MIA
1 stop28h 10mFinnair
Deal found 12/14$994
This oojo deal was found by Cheapflights users on 12/16. 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.
Fri 12/2610:00 pmMIA - DUS
1 stop16h 20mBritish Airways
Mon 1/58:10 pmDUS - MIA
2 stops25h 45mBritish Airways
Deal found 12/16$1,000
This KAYAK deal was found by Cheapflights users on 12/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:55 pmMIA - DUS
2 stops36h 50mScandinavian Airlines
Wed 1/73:25 pmDUS - MIA
2 stops37h 55mScandinavian Airlines
Deal found 12/15$1,004
This Booking.com deal was found by Cheapflights users on 12/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/175:02 pmMIA - DUS
2 stops23h 18mBritish Airways
Sun 12/213:55 pmDUS - MIA
2 stops39h 04mBritish Airways
Deal found 12/17$1,007
This oojo deal was found by Cheapflights users on 12/14. 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.
Mon 12/2210:25 pmMIA - DUS
1 stop28h 40mBritish Airways
Sat 1/1010:20 amDUS - MIA
1 stop34h 20mBritish Airways
Deal found 12/14$1,025
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/234:06 pmMIA - DUS
2 stops39h 29mUnited Airlines
Sun 1/112:40 pmDUS - MIA
3 stops37h 14mUnited Airlines
Deal found 12/14$1,033

Find 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 December 18, 2025.

Round-trip from

$548
(oojo)

One-way from

$243
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$983
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 ($161 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 18, 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

Sun 1/18

8:40 pm-6:45 pm

1 stop16h 05m

Duesseldorf Intl

Sun 2/1

3:25 pm-6:35 pm

1 stop33h 10m

$548

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Fri 2/27

8:40 pm-2:45 pm

1 stop12h 05m

Duesseldorf Intl

Thu 3/12

7:25 pm-7:35 pm

1 stop29h 10m

$572

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Fri 2/27

8:40 pm-6:45 pm

1 stop16h 05m

Duesseldorf Intl

Tue 3/10

7:25 pm-7:35 pm

1 stop29h 10m

$572

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Fri 2/27

8:40 pm-6:45 pm

1 stop16h 05m

Duesseldorf Intl

Fri 3/13

11:50 am-7:35 pm

2 stops36h 45m

$575

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Mon 2/23

8:40 pm-6:45 pm

1 stop16h 05m

Duesseldorf Intl

Mon 3/9

10:10 am-7:35 pm

1 stop14h 25m

$602

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Fri 2/27

8:40 pm-6:45 pm

1 stop16h 05m

Duesseldorf Intl

Mon 3/9

10:10 am-7:35 pm

1 stop14h 25m

$602

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Fri 2/27

8:40 pm-2:45 pm

1 stop12h 05m

Duesseldorf Intl

Wed 3/11

10:10 am-7:35 pm

1 stop14h 25m

$602

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Thu 2/26

7:40 am-9:30 am

2 stops19h 50m

Duesseldorf Intl

Sat 3/7

3:25 pm-6:35 pm

1 stop33h 10m

$626

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Sun 1/18

12:25 pm-2:40 pm

2 stops20h 15m

Duesseldorf Intl

Sun 2/1

6:20 am-10:29 pm

2 stops22h 09m

$637

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Thu 2/26

7:40 am-2:45 pm

2 stops25h 05m

Duesseldorf Intl

Wed 3/11

10:10 am-7:35 pm

1 stop14h 25m

$656

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 18 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 December 12, 2025.

Booking 13 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 December 18, 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 20% on your trip compared to booking a flight in the afternoon.

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 December 18, 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 December 18, 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
1,815 reviews

Food

7.1

Boarding

7.7

Entertainment

6.8

Crew

8.3

Overall

7.5

Comfort

7.4

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
1,815 reviews
SWISS
7.5
Good
1,815 reviews

Food

7.1

Boarding

7.7

Entertainment

6.8

Crew

8.3

Overall

7.5

Comfort

7.4

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
4,106 reviews
SWISS
7.5
Good
1,815 reviews

Food

7.1

Boarding

7.7

Entertainment

6.8

Crew

8.3

Overall

7.5

Comfort

7.4

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
7.2
Good
2,091 reviews
SWISS
7.5
Good
1,815 reviews

Food

7.1

Boarding

7.7

Entertainment

6.8

Crew

8.3

Overall

7.5

Comfort

7.4

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
7,634 reviews
SWISS
7.5
Good
1,815 reviews

Food

7.1

Boarding

7.7

Entertainment

6.8

Crew

8.3

Overall

7.5

Comfort

7.4

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
7,583 reviews
SWISS
7.5
Good
1,815 reviews

Food

7.1

Boarding

7.7

Entertainment

6.8

Crew

8.3

Overall

7.5

Comfort

7.4

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 Scandinavian Airlines fly from Key Largo to Bonn in about 16h 05m. The time it takes to get you to your destination can typically vary by up to . Key Largo and Bonn are separated by a distance of 4721 mi.

  • 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 Thai Airways (100%), Condor (75%) or Alaska Airlines (75%) 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 $366. On average you can expect to pay $1,541. The most popular route, (Miami - Duesseldorf Intl), can usually be booked for $548.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Key Largo to Bonn

See prices for flight routes from nearby airports that may be better suited for you.
Miami to Frankfurt flights
Orlando to Frankfurt flights
Tampa to Frankfurt flights
Miami to Munich flights
Fort Lauderdale to Frankfurt flights
Orlando to Munich flights
Miami to Berlin flights
Fort Myers to Frankfurt flights
West Palm Beach to Frankfurt flights
Fort Lauderdale to Munich flights
Orlando to Berlin flights
Fort Lauderdale to Berlin flights
West Palm Beach to Munich flights
Miami to Duesseldorf Intl flights
Tampa to Munich flights
Pensacola to Frankfurt flights
West Palm Beach to Berlin flights
Jacksonville to Frankfurt flights
Orlando to Duesseldorf Intl flights
Miami to Hamburg flights
Pensacola to Berlin flights
Valparaiso to Frankfurt flights
Tampa to Berlin flights
Fort Lauderdale to Hamburg flights
Tampa to Duesseldorf Intl flights
Miami to Cologne flights
Fort Lauderdale to Duesseldorf Intl flights
Orlando to Hamburg flights
Jacksonville to Duesseldorf Intl flights
Orlando to Hannover flights
Orlando to Nuremberg flights
Tallahassee to Frankfurt flights
Tampa to Hamburg flights
Miami to Dresden flights
Fort Myers to Berlin flights
Orlando to Stuttgart flights
Miami to Stuttgart flights
Fort Myers to Munich flights
Sarasota to Frankfurt flights
Jacksonville to Munich flights
Melbourne to Frankfurt flights
Jacksonville to Berlin flights
Tampa to Stuttgart flights
Daytona Beach to Frankfurt flights
Jacksonville to Stuttgart flights
Tampa to Frankfurt-Hahn flights
Panama City to Frankfurt flights
West Palm Beach to Duesseldorf Intl flights
West Palm Beach to Hamburg flights

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$281Average$863FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$297Average$1,011FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$326Average$729FlexibilityNo cancel feeOn-timeN/A
CondorCheapest$515Average$778FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$532Average$692FlexibilityNo cancel feeOn-time77%
Air EuropaCheapest$551Average$714FlexibilityNo cancel feeOn-time83%
British AirwaysCheapest$579Average$795FlexibilityNo cancel feeOn-time70%
IberiaCheapest$614Average$813FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$703Average$786FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$704Average$954FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.