Bonn

$245+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — FRA
Aug 5 — Aug 121
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Cheapflights Tip: The best prices from Key Largo to Bonn are usually found in January or February, booked 13 days in advance, depart on a Wednesday or Thursday and return on a Sunday

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 July 31, 2025.

Round-trip from

$586
(Booking.com)

One-way from

$245
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$1,080
From Key Largo to Bonn
One-way flight from Key Largo to Bonn
Highest demand for flights based on searches. 16% potential increase in price ($161 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Average for round-trip flights in July 2025

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 July 31, 2025.

This Gotogate deal was found by Cheapflights users on 7/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2112:35 amMIA - DUS
1 stop29h 50mTAP AIR PORTUGAL
Mon 10/65:40 pmDUS - MIA
1 stop27h 05mTAP AIR PORTUGAL
Deal found 7/29$585
This Justfly.com deal was found by Cheapflights users on 7/31. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:10 amMIA - DUS
2 stops25h 40mScandinavian Airlines
Mon 10/610:40 amDUS - MIA
2 stops18h 39mScandinavian Airlines
Deal found 7/31$633
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Fri 8/15:15 pmMIA - DUS
2 stops37h 20mMultiple Airlines
Tue 8/266:25 pmDUS - MIA
1 stop25h 55mMultiple Airlines
Deal found 7/29$673
This oojo deal was found by Cheapflights users on 7/31. 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.
Thu 8/710:35 amMIA - DUS
1 stop21h 10mTurkish Airlines
Wed 8/278:15 pmDUS - MIA
1 stop16h 55mTurkish Airlines
Deal found 7/31$699
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/112:55 pmMIA - DUS
2 stops15h 45mLufthansa
Thu 9/256:20 amDUS - MIA
2 stops14h 20mLufthansa
Deal found 7/29$730
This Ovago deal was found by Cheapflights users on 7/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/117:35 pmMIA - DUS
1 stop19h 30mBritish Airways
Thu 9/257:10 amDUS - MIA
1 stop17h 15mBritish Airways
Deal found 7/31$758

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 July 31, 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 9/21

12:35 am-12:25 pm

1 stop29h 50m

Duesseldorf Intl

Mon 10/6

5:40 pm-2:45 pm

1 stop27h 05m

$585

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Mon 9/22

7:10 am-2:50 pm

2 stops25h 40m

Duesseldorf Intl

Mon 10/6

10:40 am-11:19 pm

2 stops18h 39m

$633

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Tue 9/23

4:30 pm-12:25 pm

1 stop13h 55m

Duesseldorf Intl

Wed 10/1

9:45 am-8:00 pm

1 stop16h 15m

$716

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Fri 10/24

7:40 pm-10:40 am

1 stop33h 00m

Duesseldorf Intl

Fri 10/31

5:10 pm-3:40 pm

1 stop27h 30m

$726

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Mon 9/22

10:15 pm-5:15 pm

1 stop37h 00m

Duesseldorf Intl

Mon 10/6

6:40 pm-8:20 pm

1 stop31h 40m

$728

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Thu 9/11

2:55 pm-12:40 pm

2 stops15h 45m

Duesseldorf Intl

Thu 9/25

6:20 am-2:40 pm

2 stops14h 20m

$730

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Wed 8/27

7:55 am-10:25 am

2 stops20h 30m

Duesseldorf Intl

Sun 9/7

10:30 am-1:20 pm

2 stops32h 50m

$760

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Tue 12/16

8:00 pm-1:45 pm

1 stop11h 45m

Duesseldorf Intl

Tue 12/23

9:35 am-8:20 pm

1 stop16h 45m

$763

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Thu 9/11

7:40 pm-2:05 pm

1 stop12h 25m

Duesseldorf Intl

Thu 9/25

6:00 am-2:40 pm

1 stop14h 40m

$766

MiamiDüsseldorf

MIA - DUS

MIADUS

Miami

Sun 9/14

9:54 am-4:50 pm

2 stops24h 56m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 18 results
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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 July 25, 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, January is the cheapest month in which you can book a flight from Key Largo to Bonn (average of $729). Flying from Key Largo to Bonn in June is currently the most expensive (average of $1,088). 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 July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Key Largo to Bonn as you normally would.

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 July 31, 2025.

The most flights from KE9 to BN9 are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 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 July 31, 2025.
Read through reviews of airlines operating flights from Key Largo to Bonn, such as Air France, United Airlines, and Scandinavian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.4

Boarding

7.4

Crew

8.1

Entertainment

7.0

Overall

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

Comfort

7.4

Boarding

7.4

Crew

8.1

Entertainment

7.0

Overall

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

Comfort

7.4

Boarding

7.4

Crew

8.1

Entertainment

7.0

Overall

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

Comfort

7.4

Boarding

7.4

Crew

8.1

Entertainment

7.0

Overall

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

Comfort

7.4

Boarding

7.4

Crew

8.1

Entertainment

7.0

Overall

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

Comfort

7.4

Boarding

7.4

Crew

8.1

Entertainment

7.0

Overall

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

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.
  • What are the cheapest airlines to fly from Key Largo to Bonn one-way?

    To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $292. Scandinavian Airlines flights start at $352 while deals on Vueling start at $386 one-way.

  • 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 (66%), Alaska Airlines (66%) or Thai Airways (63%) 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 $317. On average you can expect to pay $1,733. The most popular route, (Miami - Duesseldorf Intl), can usually be booked for $583.

  • 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, January is the cheapest month in which you can book a flight from Key Largo to Bonn (average of $729). Flying from Key Largo to Bonn in June is currently the most expensive (average of $1,088). 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

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Alternative routes for Key Largo to Bonn

See prices for flight routes from nearby airports that may be better suited for you.

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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
CondorCheapest$482Average$743FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$532Average$589FlexibilityNo cancel feeOn-time77%
DeltaCheapest$536Average$892FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$557Average$871FlexibilityNo cancel feeOn-time71%
TAP AIR PORTUGALCheapest$562Average$806FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$565Average$732FlexibilityNo cancel feeOn-time70%
Air EuropaCheapest$578Average$702FlexibilityNo cancel feeOn-time83%
IberiaCheapest$614Average$846FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$634Average$1,022FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$703Average$779FlexibilityNo cancel feeOn-time77%

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