HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bulgaria

$307+ Cheap flights from Key Largo, FL to Bulgaria

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SOF
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Key Largo to Bulgaria 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.

Find flight deals from Key Largo to Bulgaria

Cheapest flights from Key Largo to Bulgaria
Explore the most affordable flight options available from Key Largo to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This Mytrip deal was found by Cheapflights users on 11/2. 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.
Wed 12/34:35 pmMIA - SOF
2 stops19h 35mMultiple Airlines
Mon 12/88:00 pmSOF - MIA
2 stops25h 50mMultiple Airlines
Deal found 11/2$548
This FlightHub deal was found by Cheapflights users on 11/2. 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.
Wed 11/1210:30 pmMIA - VAR
1 stop27h 40mTurkish Airlines
Wed 11/1910:00 amVAR - MIA
1 stop17h 35mTurkish Airlines
Deal found 11/2$551
This FlightHub deal was found by Cheapflights users on 11/2. 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.
Wed 12/310:30 pmMIA - SOF
1 stop27h 15mTurkish Airlines
Mon 12/89:35 amSOF - MIA
1 stop18h 00mTurkish Airlines
Deal found 11/2$563
This Mytrip deal was found by Cheapflights users on 11/2. 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.
Wed 12/37:55 pmMIA - SOF
3 stops20h 35mMultiple Airlines
Tue 12/93:45 pmSOF - MIA
2 stops33h 20mMultiple Airlines
Deal found 11/2$593
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Wed 11/124:40 pmMIA - VAR
1 stop17h 35mMultiple Airlines
Wed 11/194:00 pmVAR - MIA
2 stops34h 13mMultiple Airlines
Deal found 11/2$603
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Tue 12/24:35 pmMIA - SOF
2 stops35h 20mMultiple Airlines
Mon 12/88:00 pmSOF - MIA
1 stop29h 55mMultiple Airlines
Deal found 11/2$604
This FlightHub deal was found by Cheapflights users on 11/2. 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.
Wed 11/1210:20 amMIA - SOF
1 stop21h 50mTurkish Airlines
Sun 11/169:35 amSOF - MIA
1 stop28h 25mTurkish Airlines
Deal found 11/2$611
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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.
Mon 11/104:40 pmMIA - SOF
1 stop23h 05mLufthansa
Thu 11/276:05 amSOF - MIA
1 stop17h 50mLufthansa
Deal found 11/1$628
This Gotogate deal was found by Cheapflights users on 11/1. 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.
Mon 11/104:40 pmMIA - SOF
1 stop23h 05mMultiple Airlines
Thu 11/276:05 amSOF - MIA
2 stops21h 11mMultiple Airlines
Deal found 11/1$630
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/96:45 pmMIA - SOF
1 stop21h 00mUnited Airlines
Tue 12/166:00 amSOF - MIA
2 stops21h 09mUnited Airlines
Deal found 11/2$637
This oojo deal was found by Cheapflights users on 11/2. 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 12/1210:20 amMIA - VAR
1 stop27h 15mTurkish Airlines
Tue 12/2310:00 amVAR - MIA
1 stop17h 35mTurkish Airlines
Deal found 11/2$793
This Mytrip deal was found by Cheapflights users on 11/2. 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.
Fri 12/124:35 pmMIA - VAR
2 stops18h 00mMultiple Airlines
Tue 12/2311:20 amVAR - MIA
3 stops35h 55mMultiple Airlines
Deal found 11/2$970

Cheap flight deals from Key Largo to Bulgaria

Keep the following information in mind while searching for Key Largo to Bulgaria flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$550
(CrystalTravel)

One-way from

$226
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$659
Provider with most accurate pricing for Miami-Sofia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-Sofia flights.
Search Deals
From Key Largo to Bulgaria
Search Deals
One-way flight from Key Largo to Bulgaria
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($278 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to Bulgaria 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 November 3, 2025.
Use the filters below to find and compare flights from Key Largo to Bulgaria that are best for you.

Fly from

Key Largo

Fly to

Bulgaria

Route

Depart

Return

Price

MiamiSofia

MIA - SOF

MIASOF

Miami

Wed 12/3

4:35 pm-7:10 pm

2 stops19h 35m

Sofia

Mon 12/8

8:00 pm-2:50 pm

2 stops25h 50m

$548

MiamiSofia

MIA - SOF

MIASOF

Miami

Sun 2/8

10:30 pm-3:10 pm

1 stop33h 40m

Sofia

Sun 2/22

9:35 am-8:35 pm

1 stop18h 00m

$563

MiamiSofia

MIA - SOF

MIASOF

Miami

Wed 12/3

10:30 pm-3:10 pm

1 stop33h 40m

Sofia

Mon 12/8

4:00 pm-8:35 pm

1 stop35h 35m

$563

MiamiSofia

MIA - SOF

MIASOF

Miami

Wed 11/26

10:20 am-8:50 pm

1 stop27h 30m

Sofia

Mon 12/1

9:40 pm-8:35 pm

1 stop29h 55m

$563

MiamiSofia

MIA - SOF

MIASOF

Miami

Tue 2/3

10:30 pm-8:50 pm

1 stop15h 20m

Sofia

Tue 2/17

9:40 pm-7:00 am

1 stop16h 20m

$563

MiamiSofia

MIA - SOF

MIASOF

Miami

Wed 2/11

6:45 pm-10:45 pm

1 stop21h 00m

Sofia

Wed 2/25

6:10 am-2:40 pm

1 stop15h 30m

$568

MiamiSofia

MIA - SOF

MIASOF

Miami

Mon 3/2

6:40 pm-6:20 pm

2 stops40h 40m

Sofia

Tue 3/10

6:00 am-10:29 pm

2 stops22h 29m

$579

MiamiSofia

MIA - SOF

MIASOF

Miami

Mon 3/2

10:56 am-1:15 pm

2 stops19h 19m

Sofia

Tue 3/10

6:00 am-3:40 pm

1 stop15h 40m

$584

MiamiSofia

MIA - SOF

MIASOF

Miami

Tue 2/3

4:19 pm-6:20 pm

2 stops19h 01m

Sofia

Tue 2/17

6:00 am-2:40 pm

1 stop15h 40m

$584

MiamiSofia

MIA - SOF

MIASOF

Miami

Wed 2/11

2:32 pm-10:45 pm

2 stops25h 13m

Sofia

Wed 2/25

6:10 am-11:44 pm

2 stops24h 34m

$584

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 32 results
1
2
3
4

Best time to book a flight from Key Largo to Bulgaria

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

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

Currently, August is the cheapest month in which you can book a flight from Key Largo to Bulgaria (average of $526). Flying from Key Largo to Bulgaria in May is currently the most expensive (average of $715). 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 BG?

Find hourly flight availability from Key Largo to Bulgaria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 34% on flights from Key Largo to Bulgaria by exploring options for tickets in the evening.

Reviews of airlines servicing Bulgaria

Get insights into the airlines that provide service to Bulgaria. 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 Bulgaria. Reviews last updated November 3, 2025.
Peruse reviews from past customers who have flown with LOT, SWISS, and United Airlines from Key Largo to Bulgaria to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.6
Good
1,133 reviews

Crew

8.2

Overall

7.6

Entertainment

6.9

Food

7.1

Boarding

7.6

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
LOT
7.6
Good
1,133 reviews
LOT
7.6
Good
1,133 reviews

Crew

8.2

Overall

7.6

Entertainment

6.9

Food

7.1

Boarding

7.6

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
SWISS
7.5
Good
1,775 reviews
LOT
7.6
Good
1,133 reviews

Crew

8.2

Overall

7.6

Entertainment

6.9

Food

7.1

Boarding

7.6

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
United Airlines
7.4
Good
8,997 reviews
LOT
7.6
Good
1,133 reviews

Crew

8.2

Overall

7.6

Entertainment

6.9

Food

7.1

Boarding

7.6

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Turkish Airlines
7.3
Good
4,039 reviews
LOT
7.6
Good
1,133 reviews

Crew

8.2

Overall

7.6

Entertainment

6.9

Food

7.1

Boarding

7.6

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Lufthansa
6.8
Okay
7,544 reviews
LOT
7.6
Good
1,133 reviews

Crew

8.2

Overall

7.6

Entertainment

6.9

Food

7.1

Boarding

7.6

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

Related info for your journey

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

    Turkish Airlines, Austrian Airlines, and Lufthansa can get you from Key Largo to Bulgaria in just under 15h 35m. Your travel time can differ by up to 18h 05m. Airlines will cover a distance of 5841 mi. This flight may include one or multiple stops.

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

    $487 is the cheapest one-way deal found within the past few days, from SWISS. You may also be able to find cheap deals on Air Canada and Turkish Airlines, with prices starting from $495 and $499, respectively.

  • What are the most popular routes from Key Largo to Bulgaria?

    The most popular route from Key Largo to Bulgaria is Miami - Sofia. You may also consider Miami - Varna or Miami - Bourgas.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Key Largo to Bulgaria (average of $526). Flying from Key Largo to Bulgaria in May is currently the most expensive (average of $715). 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 Bulgaria

See prices for flight routes from nearby airports that may be better suited for you.
Miami to Madrid flights
Miami to Heathrow flights
Miami to Charles de Gaulle flights
Orlando to Heathrow flights
Miami to Leonardo da Vinci/Fiumicino flights
Miami to Barcelona-El Prat flights
Miami to Istanbul flights
Tampa to Heathrow flights
Orlando to Madrid flights
Orlando to Gatwick flights
Miami to Lisbon flights
Miami to Gatwick flights
Orlando to Charles de Gaulle flights
Miami to London City flights
Fort Lauderdale to Madrid flights
Orlando to Frankfurt flights
Tampa to Frankfurt flights
Orlando to Dublin flights
Miami to Zurich flights
Miami to Sabiha Gokcen flights
Miami to Malpensa flights
Miami to Frankfurt flights
Orlando to London City flights
Fort Lauderdale to Charles de Gaulle flights
Miami to Stansted flights
Orlando to Leonardo da Vinci/Fiumicino flights
Miami to Orly flights
Fort Lauderdale to Heathrow flights
Miami to Linate flights
Miami to Amsterdam flights
Orlando to Barcelona-El Prat flights
Orlando to Orly flights
Miami to Luton flights
Tampa to Gatwick flights
Fort Lauderdale to Leonardo da Vinci/Fiumicino flights
Orlando to Amsterdam flights
Orlando to Edinburgh flights
Orlando to Stansted flights
Fort Lauderdale to Barcelona-El Prat flights
Miami to Beauvais-Tille flights
Tampa to London City flights
Miami to Athens flights
Miami to Munich flights
Orlando to Lisbon flights
Tampa to Leonardo da Vinci/Fiumicino flights
Orlando to Athens flights
Fort Lauderdale to Gatwick flights
Fort Lauderdale to Orly flights
Miami to Dublin flights
West Palm Beach to Charles de Gaulle flights

Top 5 airlines flying from Key Largo to Bulgaria

Discover the top 5 airlines that operate flights from Key Largo to Bulgaria. 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$599Average$879FlexibilityNo cancel feeOn-time77%
SWISSCheapest$653Average$1,195FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$656Average$1,086FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$657Average$1,025FlexibilityNo cancel feeOn-time69%
LOTCheapest$662Average$1,128FlexibilityNo 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.