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Otopeni Intl

$453+ Cheap flights from Key Largo, FL to Otopeni Intl (OTP)

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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — OTP
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Bucharest Otopeni Intl are usually found in November or February, booked 26 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Key Largo to Otopeni Intl

Cheapest flights from Key Largo to Otopeni Intl
Explore the most affordable flight options available from Key Largo to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:45 pmMIA - OTP
1 stop23h 20mLufthansa
Mon 1/125:55 amOTP - MIA
1 stop15h 45mLufthansa
Deal found 12/14$887
This SWISS deal was found by Cheapflights users on 12/13. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:50 pmMIA - OTP
1 stop21h 35mSWISS
Wed 12/246:30 amOTP - MIA
1 stop15h 10mSWISS
Deal found 12/13$941
This Air France deal was found by Cheapflights users on 12/12. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/138:00 pmMIA - OTP
1 stop17h 10mAir France
Wed 12/248:40 amOTP - MIA
1 stop16h 00mAir France
Deal found 12/12$1,009
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.
Fri 12/2611:56 amMIA - OTP
2 stops28h 54mUnited Airlines
Mon 1/125:55 amOTP - MIA
3 stops22h 59mUnited Airlines
Deal found 12/14$1,021
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/167:50 pmMIA - OTP
2 stops22h 40mMultiple Airlines
Wed 12/2410:15 pmOTP - MIA
2 stops26h 15mMultiple Airlines
Deal found 12/15$1,054
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Sat 12/134:40 pmMIA - OTP
1 stop24h 45mSWISS
Sat 12/204:40 pmOTP - MIA
1 stop29h 00mSWISS
Deal found 12/13$1,057
This KAYAK deal was found by Cheapflights users on 12/12. 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.
Sat 12/134:40 pmMIA - OTP
2 stops24h 10mAustrian Airlines
Wed 12/249:50 amOTP - MIA
2 stops35h 50mAustrian Airlines
Deal found 12/12$1,091
This Ovago deal was found by Cheapflights users on 12/13. 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.
Wed 12/244:40 pmMIA - OTP
1 stop24h 45mSWISS
Wed 12/316:30 amOTP - MIA
1 stop15h 10mSWISS
Deal found 12/13$1,126

Find flight deals from Key Largo to Otopeni Intl

Keep the following information in mind while searching for Key Largo to Otopeni Intl flight deals. Data was last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$641
(KAYAK)

One-way from

$453
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,181
Provider with most accurate pricing for Miami-Bucharest (BUH) flight deals.
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Provider most trusted by Cheapflights users for Miami-Bucharest (BUH) flights.
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From Key Largo to Bucharest Otopeni Intl
Search Deals
One-way flight from Key Largo to Bucharest Otopeni Intl
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Highest demand for flights based on searches. 20% potential increase in price ($220 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to Otopeni Intl 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 15, 2025.
Use the filters below to find and compare flights from Key Largo to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Key Largo

Fly to

Otopeni Intl

Route

Depart

Return

Price

MiamiBucharest

MIA - OTP

MIAOTP

Miami

Mon 5/4

5:30 pm-1:25 am

2 stops24h 55m

Bucharest Otopeni Intl

Tue 5/12

6:15 pm-2:30 pm

1 stop27h 15m

$653

MiamiBucharest

MIA - OTP

MIAOTP

Miami

Tue 3/10

1:58 pm-2:45 pm

2 stops18h 47m

Bucharest Otopeni Intl

Wed 5/6

4:15 pm-2:30 pm

1 stop29h 15m

$653

MiamiBucharest

MIA - OTP

MIAOTP

Miami

Tue 4/21

3:01 pm-3:25 pm

2 stops17h 24m

Bucharest Otopeni Intl

Tue 5/12

6:15 pm-2:30 pm

1 stop27h 15m

$653

MiamiBucharest

MIA - OTP

MIAOTP

Miami

Mon 3/2

11:21 am-10:50 pm

2 stops28h 29m

Bucharest Otopeni Intl

Wed 4/1

2:00 pm-2:45 pm

1 stop31h 45m

$659

MiamiBucharest

MIA - OTP

MIAOTP

Miami

Mon 3/2

11:21 am-10:50 pm

2 stops28h 29m

Bucharest Otopeni Intl

Tue 3/31

6:00 am-5:50 pm

1 stop18h 50m

$665

MiamiBucharest

MIA - OTP

MIAOTP

Miami

Sun 3/1

7:25 am-3:50 pm

2 stops25h 25m

Bucharest Otopeni Intl

Tue 3/17

5:55 am-10:29 pm

2 stops22h 34m

$667

MiamiBucharest

MIA - OTP

MIAOTP

Miami

Sun 3/1

7:00 am-5:10 pm

2 stops27h 10m

Bucharest Otopeni Intl

Tue 3/31

1:05 pm-8:45 pm

1 stop14h 40m

$671

MiamiBucharest

MIA - OTP

MIAOTP

Miami

Mon 3/2

1:38 pm-6:35 pm

2 stops21h 57m

Bucharest Otopeni Intl

Thu 3/26

5:50 am-6:31 pm

2 stops42h 41m

$676

MiamiBucharest

MIA - OTP

MIAOTP

Miami

Sun 3/22

6:10 pm-11:45 pm

1 stop23h 35m

Bucharest Otopeni Intl

Sun 4/5

8:20 am-8:10 pm

1 stop18h 50m

$683

MiamiBucharest

MIA - OTP

MIAOTP

Miami

Fri 3/20

11:00 pm-11:25 pm

1 stop18h 25m

Bucharest Otopeni Intl

Tue 4/7

8:25 am-8:10 pm

1 stop18h 45m

$683

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 16 results
1
2

Best time to book a flight from Key Largo to Otopeni Intl

Have a flexible travel schedule? Discover the best time to fly to Otopeni Intl 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 Bucharest Otopeni Intl Airport

How far ahead should I book a flight from Key Largo to Bucharest Otopeni Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Otopeni Intl. Price data was last updated on December 12, 2025.

The price you pay for your flight from Key Largo to Bucharest Otopeni Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 26 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Key Largo to Bucharest Otopeni Intl Airport?

Currently, March is the cheapest month in which you can book a flight from Key Largo to Bucharest Otopeni Intl Airport (average of $575). Flying from Key Largo to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $972). 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 OTP?

Find hourly flight availability from Key Largo to Otopeni Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

A simple way to save on the total cost of your ticket is to fly from Key Largo to Bucharest Otopeni Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the evening.

How much does it cost to fly round-trip from Key Largo to Bucharest Otopeni Intl Airport?

Reviews of airlines servicing Otopeni Intl

Get insights into the airlines that provide service to Otopeni Intl. 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 Otopeni Intl. Reviews last updated December 15, 2025.
See what other customers who have flown with LOT, SWISS, and Turkish Airlines from Key Largo to Bucharest Otopeni Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.6
Good
1,147 reviews

Comfort

7.5

Overall

7.6

Food

7.1

Boarding

7.6

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Goh Hua Sheng,Dec 2025

WAW - KRK

even though it was only a one hour flight the cabin crew were polite and detail oriented
LOT
7.6
Good
1,147 reviews
LOT
7.6
Good
1,147 reviews

Comfort

7.5

Overall

7.6

Food

7.1

Boarding

7.6

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Goh Hua Sheng,Dec 2025

WAW - KRK

even though it was only a one hour flight the cabin crew were polite and detail oriented
SWISS
7.5
Good
1,813 reviews
LOT
7.6
Good
1,147 reviews

Comfort

7.5

Overall

7.6

Food

7.1

Boarding

7.6

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Goh Hua Sheng,Dec 2025

WAW - KRK

even though it was only a one hour flight the cabin crew were polite and detail oriented
Turkish Airlines
7.3
Good
4,100 reviews
LOT
7.6
Good
1,147 reviews

Comfort

7.5

Overall

7.6

Food

7.1

Boarding

7.6

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Goh Hua Sheng,Dec 2025

WAW - KRK

even though it was only a one hour flight the cabin crew were polite and detail oriented
Lufthansa
6.8
Okay
7,631 reviews
LOT
7.6
Good
1,147 reviews

Comfort

7.5

Overall

7.6

Food

7.1

Boarding

7.6

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Goh Hua Sheng,Dec 2025

WAW - KRK

even though it was only a one hour flight the cabin crew were polite and detail oriented
ITA Airways
6.7
Okay
1,107 reviews
LOT
7.6
Good
1,147 reviews

Comfort

7.5

Overall

7.6

Food

7.1

Boarding

7.6

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Goh Hua Sheng,Dec 2025

WAW - KRK

even though it was only a one hour flight the cabin crew were polite and detail oriented

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Otopeni Intl. 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 Bucharest Otopeni Intl Airport?

    There are many flights that can get you from Key Largo to Bucharest Otopeni Intl Airport in 24h 55m. Fly via British Airways or Delta to get the fastest option. Airlines will cover a distance of 5720 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Key Largo to Bucharest Otopeni Intl Airport one-way?

    The cheapest airline one-way is Turkish Airlines, with whom users have recently found tickets for as low as $353. However, be on the lookout for offers from Lufthansa and SWISS, as they are both options that can get you from Key Largo to Bucharest Otopeni Intl Airport for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Key Largo to Otopeni Intl 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 Bucharest Otopeni Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from Key Largo to Bucharest Otopeni Intl Airport (average of $575). Flying from Key Largo to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $972). 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

Traveling to a place near Bucharest Otopeni Intl Airport?

Book flights to Bucharest Otopeni Intl Airport if you plan to visit one of these locations
Otopeni

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Top 9 airlines flying from Key Largo to Otopeni Intl

Discover the top 9 airlines that operate flights from Key Largo to Otopeni Intl. 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$593Average$837FlexibilityNo cancel feeOn-time77%
LOTCheapest$608Average$1,098FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$645Average$771FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$664Average$800FlexibilityNo cancel feeOn-time70%
DeltaCheapest$670Average$1,194FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$677Average$1,062FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$707Average$1,289FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$724Average$990FlexibilityNo cancel feeOn-time77%
ITA AirwaysCheapest$894Average$1,035FlexibilityNo cancel feeOn-time81%

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