HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bucharest

$240+ Cheap flights from Key Largo, FL to Bucharest (BUH)

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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — BUH
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Key Largo to Bucharest 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 Bucharest are usually found in March or February, booked 50 days in advance, depart on a Wednesday or Sunday and return on a Tuesday

Cheap flight deals from Key Largo to Bucharest

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

Round-trip from

$597
(LOT)

One-way from

$240
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$670
From Key Largo to Bucharest (BUH)
Search Deals
One-way flight from Key Largo to Bucharest (BUH)
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($289 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Key Largo to Bucharest

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

This LOT deal was found by Cheapflights users on 9/14. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2910:10 pmMIA - OTP
1 stop32h 40mLOT
Tue 12/92:35 pmOTP - MIA
1 stop34h 00mLOT
Deal found 9/14$597
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:50 pmMIA - OTP
1 stop12h 55mSWISS
Sun 11/166:30 amOTP - MIA
1 stop15h 10mSWISS
Deal found 9/15$598
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/144:30 pmMIA - OTP
3 stops27h 35mMultiple Airlines
Tue 10/218:10 pmOTP - MIA
2 stops25h 35mMultiple Airlines
Deal found 9/14$599
This KAYAK deal was found by Cheapflights users on 9/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1912:39 pmMIA - OTP
2 stops37h 26mAustrian Airlines
Mon 12/19:50 amOTP - MIA
2 stops35h 50mAustrian Airlines
Deal found 9/14$600
This British Airways deal was found by Cheapflights users on 9/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:00 pmMIA - OTP
1 stop14h 30mBritish Airways
Tue 12/98:00 amOTP - MIA
1 stop18h 30mBritish Airways
Deal found 9/14$603
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Mon 11/34:40 pmMIA - OTP
2 stops25h 50mMultiple Airlines
Mon 11/178:15 pmOTP - MIA
3 stops33h 14mMultiple Airlines
Deal found 9/15$604
This Air Canada deal was found by Cheapflights users on 9/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/18:00 amMIA - OTP
2 stops23h 05mAir Canada
Fri 12/126:30 amOTP - MIA
2 stops24h 46mAir Canada
Deal found 9/14$605
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/309:45 pmMIA - OTP
2 stops54h 25mMultiple Airlines
Fri 12/129:30 amOTP - MIA
1 stop30h 40mMultiple Airlines
Deal found 9/15$607
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:45 pmMIA - OTP
1 stop17h 10mMultiple Airlines
Wed 12/107:40 amOTP - MIA
2 stops33h 22mMultiple Airlines
Deal found 9/15$608
This oojo deal was found by Cheapflights users on 9/14. 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.
Fri 10/315:40 pmMIA - OTP
1 stop24h 50mSWISS
Fri 11/76:30 amOTP - MIA
1 stop18h 00mSWISS
Deal found 9/14$609
This Air Canada deal was found by Cheapflights users on 9/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/18:00 amMIA - OTP
2 stops23h 05mAir Canada
Mon 12/85:55 amOTP - MIA
2 stops23h 34mAir Canada
Deal found 9/14$610

Cheapflights Fare Finder

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

Fly from

Key Largo

Fly to

Bucharest

Route

Depart

Return

Price

MiamiBucharest

MIA - OTP

MIAOTP

Miami

Sat 11/29

10:10 pm-1:50 pm

1 stop32h 40m

Bucharest Otopeni Intl

Tue 12/9

2:35 pm-5:35 pm

1 stop34h 00m

$597

MiamiBucharest

MIA - OTP

MIAOTP

Miami

Fri 12/5

5:10 pm-3:10 pm

1 stop15h 00m

Bucharest Otopeni Intl

Wed 12/10

8:05 am-7:30 pm

1 stop18h 25m

$603

MiamiBucharest

MIA - OTP

MIAOTP

Miami

Thu 12/4

10:00 pm-7:30 pm

1 stop14h 30m

Bucharest Otopeni Intl

Mon 12/8

8:25 pm-2:40 pm

1 stop25h 15m

$603

MiamiBucharest

MIA - OTP

MIAOTP

Miami

Fri 12/5

5:10 pm-3:10 pm

1 stop15h 00m

Bucharest Otopeni Intl

Mon 12/8

8:25 pm-2:40 pm

1 stop25h 15m

$603

MiamiBucharest

MIA - OTP

MIAOTP

Miami

Fri 12/5

5:10 pm-3:10 pm

1 stop15h 00m

Bucharest Otopeni Intl

Fri 12/12

8:00 am-7:30 pm

1 stop18h 30m

$603

MiamiBucharest

MIA - OTP

MIAOTP

Miami

Thu 12/4

10:00 pm-7:30 pm

1 stop14h 30m

Bucharest Otopeni Intl

Fri 12/12

8:00 am-7:30 pm

1 stop18h 30m

$603

MiamiBucharest

MIA - OTP

MIAOTP

Miami

Wed 12/3

10:00 pm-8:00 pm

1 stop15h 00m

Bucharest Otopeni Intl

Sat 12/13

8:05 am-7:30 pm

1 stop18h 25m

$603

MiamiBucharest

MIA - OTP

MIAOTP

Miami

Mon 11/3

4:40 pm-1:30 am

2 stops25h 50m

Bucharest Otopeni Intl

Mon 11/17

8:15 pm-10:29 pm

3 stops33h 14m

$604

MiamiBucharest

MIA - OTP

MIAOTP

Miami

Fri 11/14

11:55 am-6:35 pm

2 stops23h 40m

Bucharest Otopeni Intl

Thu 11/20

5:50 am-2:40 pm

1 stop15h 50m

$610

MiamiBucharest

MIA - OTP

MIAOTP

Miami

Thu 12/4

10:00 pm-7:30 pm

1 stop14h 30m

Bucharest Otopeni Intl

Sun 12/7

7:35 am-7:30 pm

1 stop18h 55m

$641

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 17 results
1
2

Best time to book a flight from Key Largo to Bucharest

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

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

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

The best time to book flights from Key Largo to Bucharest is 50 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Key Largo to Bucharest (average of $604). Flying from Key Largo to Bucharest in June is currently the most expensive (average of $1,130). 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 BUH?

Find hourly flight availability from Key Largo to Bucharest. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 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 Bucharest as you normally would.

Reviews of airlines servicing Bucharest

Get insights into the airlines that provide service to Bucharest. 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 Bucharest. Reviews last updated September 15, 2025.
See what other customers who have flown with LOT, SWISS, and Turkish Airlines from Key Largo to Bucharest 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
1,114 reviews

Comfort

7.5

Entertainment

7.0

Food

7.2

Overall

7.6

Crew

8.2

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
LOT
7.6
Good
1,114 reviews
LOT
7.6
Good
1,114 reviews

Comfort

7.5

Entertainment

7.0

Food

7.2

Overall

7.6

Crew

8.2

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
SWISS
7.5
Good
1,730 reviews
LOT
7.6
Good
1,114 reviews

Comfort

7.5

Entertainment

7.0

Food

7.2

Overall

7.6

Crew

8.2

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
Turkish Airlines
7.3
Good
3,968 reviews
LOT
7.6
Good
1,114 reviews

Comfort

7.5

Entertainment

7.0

Food

7.2

Overall

7.6

Crew

8.2

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
Lufthansa
6.8
Okay
7,407 reviews
LOT
7.6
Good
1,114 reviews

Comfort

7.5

Entertainment

7.0

Food

7.2

Overall

7.6

Crew

8.2

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
British Airways
6.7
Okay
7,361 reviews
LOT
7.6
Good
1,114 reviews

Comfort

7.5

Entertainment

7.0

Food

7.2

Overall

7.6

Crew

8.2

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again

Related info for your journey

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

    A quick flight from Key Largo to Bucharest can take about 15h. LOT provides one of the quickest options available for as low as $603. Airlines will cover a distance of 5720 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Key Largo to Bucharest (average of $604). Flying from Key Largo to Bucharest in June is currently the most expensive (average of $1,130). 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?

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

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 Bucharest

See prices for flight routes from nearby airports that may be better suited for you.
Miami to Otopeni Intl flights
Tampa to Otopeni Intl flights
Fort Lauderdale to Otopeni Intl flights
Orlando to Otopeni Intl flights
West Palm Beach to Cluj Napoca flights
Sarasota to Otopeni Intl flights
Fort Lauderdale to Timisoara flights
Miami to Cluj Napoca flights
West Palm Beach to Otopeni Intl flights
Miami to Timisoara flights
Tampa to Cluj Napoca flights
Orlando to Cluj Napoca flights
Orlando to Iaşi flights
Gainesville to Otopeni Intl flights
Orlando to Sibiu flights
Fort Myers to Cluj Napoca flights
Jacksonville to Sibiu flights
Tallahassee to Otopeni Intl flights
Sarasota to Cluj Napoca flights
Fort Myers to Timisoara flights
West Palm Beach to Sibiu flights
Fort Lauderdale to Cluj Napoca flights
Miami to Sibiu flights
Jacksonville to Timisoara flights
Jacksonville to Cluj Napoca flights
Fort Lauderdale to Sibiu flights
Orlando to Timisoara flights
Fort Lauderdale to Iaşi flights

Top 9 airlines flying from Key Largo to Bucharest

Discover the top 9 airlines that operate flights from Key Largo to Bucharest. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
LOTCheapest$608Average$1,088FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$608Average$847FlexibilityNo cancel feeOn-time77%
SWISSCheapest$657Average$1,079FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$659Average$771FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$664Average$772FlexibilityNo cancel feeOn-time70%
DeltaCheapest$670Average$1,194FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$707Average$1,264FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$721Average$1,004FlexibilityNo cancel feeOn-time77%
ITA AirwaysCheapest$894Average$1,035FlexibilityNo cancel feeOn-time81%

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.