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Otopeni Intl

$243+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — OTP
feb. 28 — mar. 71
sáb. 2/28
sáb. 3/7
1 adult, Economy
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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 enero 29, 2026.

This Air France deal was found by Cheapflights users on 1/27. 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.
lun. 5/1111:00 pm
MIA
-
OTP
1 stop14h 10m
Multiple Airlines
lun. 11/26:00 pm
OTP
-
MIA
1 stop28h 00m
Multiple Airlines
Deal found 1/27$525
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/2611:40 pm
MIA
-
OTP
1 stop17h 10m
Delta
vie. 11/66:00 am
OTP
-
MIA
1 stop16h 00m
Delta
Deal found 1/29$526
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/263:35 pm
MIA
-
OTP
2 stops25h 15m
Delta
mar. 11/36:00 am
OTP
-
MIA
1 stop16h 00m
Delta
Deal found 1/29$531
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/2611:40 pm
MIA
-
OTP
1 stop17h 10m
Delta
mié. 11/46:05 am
OTP
-
MIA
1 stop21h 15m
Delta
Deal found 1/29$533
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. 10/2611:40 pm
MIA
-
OTP
1 stop17h 10m
Delta
jue. 11/56:00 am
OTP
-
MIA
2 stops19h 37m
Delta
Deal found 1/28$535
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/258:30 am
MIA
-
OTP
2 stops26h 40m
Delta
vie. 11/66:00 am
OTP
-
MIA
1 stop16h 00m
Delta
Deal found 1/29$536
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.
dom. 10/258:30 am
MIA
-
OTP
2 stops26h 40m
Delta
mié. 11/46:05 am
OTP
-
MIA
1 stop18h 35m
Delta
Deal found 1/28$542
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/2512:01 pm
MIA
-
OTP
2 stops23h 09m
Delta
jue. 11/56:05 am
OTP
-
MIA
1 stop18h 35m
Delta
Deal found 1/29$543
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.
mié. 10/288:05 am
MIA
-
OTP
2 stops22h 55m
Delta
mar. 11/36:00 am
OTP
-
MIA
2 stops19h 37m
Delta
Deal found 1/28$545
This CrystalTravel deal was found by Cheapflights users on 1/27. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/287:45 pm
MIA
-
OTP
1 stop16h 50m
Lufthansa
mar. 11/36:05 am
OTP
-
MIA
1 stop15h 35m
Lufthansa
Deal found 1/27$555

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 enero 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$525
(Air France)

One-way from

$243
(Delta)

Popular in

June

Cheapest in

November

Average price

$717
Provider with most accurate pricing for Miami-Bucharest (BUH) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-Bucharest (BUH) flights.
Search Deals
From Key Largo to Bucharest Otopeni Intl
Search Deals
One-way flight from Key Largo to Bucharest Otopeni Intl
Search Deals
Highest demand for flights based on searches. 21% 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).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 enero 29, 2026.
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

lun. 5/4

10:40 pm-1:20 am

1 stop19h 40m

Bucharest Otopeni Intl

mar. 5/12

8:15 am-9:41 pm

2 stops20h 26m

$574

MiamiBucharest

MIA - OTP

MIAOTP

Miami

vie. 4/17

10:35 am-12:05 pm

1 stop18h 30m

Bucharest Otopeni Intl

sáb. 4/25

9:35 pm-8:35 pm

1 stop30h 00m

$594

MiamiBucharest

MIA - OTP

MIAOTP

Miami

lun. 3/9

11:20 am-2:10 pm

1 stop20h 50m

Bucharest Otopeni Intl

lun. 3/23

9:55 pm-9:35 pm

1 stop29h 40m

$612

MiamiBucharest

MIA - OTP

MIAOTP

Miami

lun. 3/9

7:25 am-6:35 pm

2 stops29h 10m

Bucharest Otopeni Intl

lun. 3/23

1:05 pm-5:55 pm

1 stop34h 50m

$622

MiamiBucharest

MIA - OTP

MIAOTP

Miami

mié. 5/13

6:10 pm-6:35 pm

2 stops17h 25m

Bucharest Otopeni Intl

mié. 5/20

6:05 am-10:59 pm

2 stops23h 54m

$630

MiamiBucharest

MIA - OTP

MIAOTP

Miami

mié. 5/13

1:20 pm-1:10 am

2 stops28h 50m

Bucharest Otopeni Intl

lun. 5/18

6:55 pm-9:11 pm

2 stops33h 16m

$645

MiamiBucharest

MIA - OTP

MIAOTP

Miami

lun. 3/9

2:21 pm-6:35 pm

2 stops22h 14m

Bucharest Otopeni Intl

lun. 3/23

2:50 pm-3:40 pm

1 stop30h 50m

$646

MiamiBucharest

MIA - OTP

MIAOTP

Miami

sáb. 5/9

4:15 pm-1:10 am

2 stops25h 55m

Bucharest Otopeni Intl

lun. 11/2

7:10 pm-6:35 pm

2 stops30h 25m

$651

MiamiBucharest

MIA - OTP

MIAOTP

Miami

mié. 5/13

1:20 pm-1:10 am

2 stops28h 50m

Bucharest Otopeni Intl

sáb. 10/31

6:35 pm-12:11 pm

2 stops47h 36m

$658

MiamiBucharest

MIA - OTP

MIAOTP

Miami

mié. 4/22

10:35 am-12:05 pm

1 stop18h 30m

Bucharest Otopeni Intl

dom. 4/26

9:30 am-8:35 pm

1 stop18h 05m

$667

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 20 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 January 23, 2026.

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 73 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 $541). Flying from Key Largo to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $952). 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.

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 enero 29, 2026.
See what other customers who have flown with SWISS, LOT, 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.
SWISS
7.6
Good
1,864 reviews

Boarding

7.7

Comfort

7.4

Crew

8.3

Entertainment

6.8

Overall

7.6

Food

7.1

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
7.6
Good
1,864 reviews
SWISS
7.6
Good
1,864 reviews

Boarding

7.7

Comfort

7.4

Crew

8.3

Entertainment

6.8

Overall

7.6

Food

7.1

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.
LOT
7.5
Good
1,176 reviews
SWISS
7.6
Good
1,864 reviews

Boarding

7.7

Comfort

7.4

Crew

8.3

Entertainment

6.8

Overall

7.6

Food

7.1

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
4,208 reviews
SWISS
7.6
Good
1,864 reviews

Boarding

7.7

Comfort

7.4

Crew

8.3

Entertainment

6.8

Overall

7.6

Food

7.1

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
7,754 reviews
SWISS
7.6
Good
1,864 reviews

Boarding

7.7

Comfort

7.4

Crew

8.3

Entertainment

6.8

Overall

7.6

Food

7.1

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
7,705 reviews
SWISS
7.6
Good
1,864 reviews

Boarding

7.7

Comfort

7.4

Crew

8.3

Entertainment

6.8

Overall

7.6

Food

7.1

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 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 17h 25m. Fly via British Airways, Turkish Airlines, or United Airlines 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 Lufthansa, with whom users have recently found tickets for as low as $256. However, be on the lookout for offers from Turkish Airlines 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 $541). Flying from Key Largo to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $952). 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

Browse thousands of different options on Cheapflights for your next trip

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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 enero 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$575Average$835FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$592Average$865FlexibilityNo cancel feeOn-time77%
LOTCheapest$608Average$1,107FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$645Average$896FlexibilityNo cancel feeOn-time69%
SWISSCheapest$656Average$1,053FlexibilityNo cancel feeOn-time79%
DeltaCheapest$670Average$1,194FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$724Average$968FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$750Average$1,301FlexibilityNo cancel feeOn-time76%
ITA AirwaysCheapest$836Average$1,013FlexibilityNo cancel feeOn-time81%

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