How long is the flight from Key Largo to Bulgaria?

Turkish Airlines and United Airlines can get you from Key Largo to Bulgaria in just under 17h 40m. Your travel time can differ by up to 9h 35m. Airlines will cover a distance of 5665 mi. This flight may include one or multiple stops.

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

$403 is the cheapest one-way deal found within the past few days, from Turkish Airlines. You may also be able to find cheap deals on Lufthansa and United Airlines, with prices starting from $502 and $576, respectively.

In terms of precipitation, rainfall in Bulgaria ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Bulgaria when rainfall is around 1.2 in.

If weather is an important factor for your trip to Bulgaria, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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.

What are the most popular airlines that fly from Key Largo to Bulgaria?

Turkish Airlines, Lufthansa and United Airlines are the most popular airlines when flying from Key Largo to Bulgaria.

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.

$409+ Flights from Key Largo to Bulgaria

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Cheap 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 December 18, 2025.

Tue 12/3010:30 pmMIA - SOF

1 stop33h 40mTurkish Airlines

Tue 1/64:00 pmSOF - MIA

1 stop35h 35mTurkish Airlines

Deal found 12/16

$705

Tue 12/304:40 pmMIA - SOF

1 stop14h 05mUnited Airlines

Tue 1/66:00 amSOF - MIA

2 stops38h 30mUnited Airlines

Deal found 12/16

$956

Sun 12/287:35 pmMIA - SOF

1 stop15h 15mLOT

Tue 1/62:35 pmSOF - MIA

1 stop34h 00mLOT

Deal found 12/16

$1,075

Mon 12/297:35 pmMIA - SOF

1 stop35h 15mLOT

Tue 1/62:35 pmSOF - MIA

1 stop34h 00mLOT

Deal found 12/16

$1,100

Mon 12/2910:30 pmMIA - SOF

1 stop29h 30mMultiple Airlines

Tue 1/65:20 pmSOF - MIA

2 stops56h 35mMultiple Airlines

Deal found 12/16

$1,134

Tue 12/307:50 pmMIA - SOF

2 stops19h 30mMultiple Airlines

Tue 1/63:00 pmSOF - MIA

2 stops33h 35mMultiple Airlines

Deal found 12/16

$1,176

Sun 12/289:10 amMIA - SOF

2 stops20h 50mMultiple Airlines

Tue 1/63:00 pmSOF - MIA

2 stops33h 35mMultiple Airlines

Deal found 12/16

$1,178

Fri 12/194:40 pmMIA - SOF

1 stop34h 35mMultiple Airlines

Sun 1/117:05 pmSOF - MIA

1 stop28h 50mMultiple Airlines

Deal found 12/17

$1,191

Best flights from Key Largo to Bulgaria
Discover carefully curated flight deals from Key Largo to Bulgaria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Tue 2/1010:30 pmMIA - SOF

1 stop27h 15mTurkish Airlines

Wed 2/189:40 pmSOF - MIA

1 stop29h 55mTurkish Airlines

Deal found 12/17

$587

Sun 2/89:45 pmMIA - SOF

1 stop16h 15mMultiple Airlines

Mon 2/2311:15 pmSOF - MIA

2 stops51h 45mMultiple Airlines

Deal found 12/17

$593

Tue 2/1012:35 pmMIA - SOF

2 stops17h 40mUnited Airlines

Wed 2/186:10 amSOF - MIA

1 stop15h 30mUnited Airlines

Deal found 12/17

$636

Tue 2/107:50 pmMIA - SOF

2 stops15h 30mSWISS

Wed 2/182:00 pmSOF - MIA

2 stops31h 40mSWISS

Deal found 12/17

$642

Sun 2/810:30 pmMIA - SOF

1 stop33h 40mTurkish Airlines

Mon 2/239:35 amSOF - MIA

1 stop18h 00mTurkish Airlines

Deal found 12/17

$612

Wed 4/151:30 pmMIA - SOF

2 stops15h 40mUnited Airlines

Fri 4/246:20 amSOF - MIA

1 stop15h 20mUnited Airlines

Deal found 12/17

$636

Wed 4/1510:30 pmMIA - SOF

1 stop14h 45mTurkish Airlines

Wed 4/223:50 pmSOF - MIA

1 stop35h 45mTurkish Airlines

Deal found 12/17

$630

Wed 4/151:30 pmMIA - SOF

2 stops15h 40mUnited Airlines

Wed 4/226:10 amSOF - MIA

1 stop17h 55mUnited Airlines

Deal found 12/17

$637

Thu 4/1610:35 amMIA - SOF

1 stop21h 25mTurkish Airlines

Fri 4/249:35 amSOF - MIA

1 stop18h 00mTurkish Airlines

Deal found 12/17

$637

Wed 4/151:30 pmMIA - SOF

2 stops15h 40mUnited Airlines

Thu 4/236:10 amSOF - MIA

1 stop17h 55mUnited Airlines

Deal found 12/17

$637

Wed 1/2810:20 amMIA - VAR

1 stop27h 15mTurkish Airlines

Sun 2/110:00 amVAR - MIA

1 stop28h 00mTurkish Airlines

Deal found 12/15

$702

Thu 4/910:35 amMIA - VAR

1 stop15h 10mTurkish Airlines

Thu 7/3010:10 pmVAR - MIA

1 stop16h 00mTurkish Airlines

Deal found 12/16

$906

Wed 4/810:30 pmMIA - VAR

1 stop27h 15mTurkish Airlines

Thu 7/3010:10 pmVAR - MIA

1 stop16h 00mTurkish Airlines

Deal found 12/16

$906

Fri 4/310:30 pmMIA - VAR

1 stop21h 10mTurkish Airlines

Thu 7/2310:10 pmVAR - MIA

1 stop16h 00mTurkish Airlines

Deal found 12/16

$906

Thu 4/210:35 amMIA - VAR

1 stop33h 05mTurkish Airlines

Thu 7/2310:10 pmVAR - MIA

1 stop16h 00mTurkish Airlines

Deal found 12/16

$906

Sun 4/510:30 pmMIA - VAR

1 stop15h 50mTurkish Airlines

Thu 7/3010:10 pmVAR - MIA

1 stop16h 00mTurkish Airlines

Deal found 12/16

$926

Thu 4/910:35 amMIA - VAR

1 stop15h 10mTurkish Airlines

Mon 7/2710:10 pmVAR - MIA

1 stop29h 25mTurkish Airlines

Deal found 12/16

$946

Fri 4/1010:35 amMIA - VAR

1 stop27h 45mTurkish Airlines

Thu 7/3010:10 pmVAR - MIA

1 stop29h 25mTurkish Airlines

Deal found 12/16

$946

Thu 4/910:35 amMIA - VAR

1 stop15h 10mTurkish Airlines

Tue 7/289:35 amVAR - MIA

1 stop18h 00mTurkish Airlines

Deal found 12/16

$971

Fri 4/1010:35 amMIA - VAR

1 stop33h 05mTurkish Airlines

Tue 7/289:35 amVAR - MIA

1 stop18h 00mTurkish Airlines

Deal found 12/16

$1,011

Last-minute flights from Key Largo to Bulgaria
Discover last-minute flight deals from Key Largo to Bulgaria. Data last updated December 18, 2025 and is based on user searches.

Tue 12/3010:30 pmMIA - SOF

1 stop33h 40mTurkish Airlines

Tue 1/64:00 pmSOF - MIA

1 stop35h 35mTurkish Airlines

Deal found 12/16

$705

Wed 1/146:45 pmMIA - SOF

1 stop16h 35mLufthansa

Wed 1/216:10 amSOF - MIA

1 stop15h 30mLufthansa

Deal found 12/17

$677

Wed 1/1410:40 pmMIA - SOF

1 stop32h 15mMultiple Airlines

Thu 1/227:00 amSOF - MIA

1 stop14h 50mMultiple Airlines

Deal found 12/17

$681

Wed 1/1412:25 pmMIA - SOF

2 stops22h 55mAir Canada

Thu 1/226:00 amSOF - MIA

2 stops23h 29mAir Canada

Deal found 12/17

$688

Wed 1/146:45 pmMIA - SOF

1 stop21h 00mLufthansa

Tue 1/202:00 pmSOF - MIA

1 stop33h 55mLufthansa

Deal found 12/17

$693

Wed 1/144:40 pmMIA - SOF

1 stop15h 35mSWISS

Tue 1/202:00 pmSOF - MIA

2 stops34h 30mSWISS

Deal found 12/17

$708

Wed 1/144:40 pmMIA - SOF

2 stops18h 20mAustrian Airlines

Tue 1/206:45 pmSOF - MIA

2 stops32h 44mAustrian Airlines

Deal found 12/17

$733

Thu 1/1510:40 pmMIA - SOF

1 stop32h 15mMultiple Airlines

Thu 1/227:00 amSOF - MIA

1 stop14h 50mMultiple Airlines

Deal found 12/17

$731

Tue 1/2010:30 pmMIA - SOF

1 stop15h 20mTurkish Airlines

Sat 1/249:35 amSOF - MIA

1 stop28h 25mTurkish Airlines

Deal found 12/16

$612

Wed 1/2810:20 amMIA - VAR

1 stop27h 15mTurkish Airlines

Sun 2/110:00 amVAR - MIA

1 stop28h 00mTurkish Airlines

Deal found 12/15

$702

One-way flights from Key Largo to Bulgaria
Search for one-way flight options from Key Largo to Bulgaria. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Sun 12/289:20 pmMIA - SOF

2 stops34h 25mMultiple Airlines

Deal found 12/16

$409

Sat 12/279:35 pmMIA - SOF

2 stops44h 55mMultiple Airlines

Deal found 12/17

$423

Mon 12/296:45 pmMIA - SOF

3 stops58h 55mMultiple Airlines

Deal found 12/16

$433

Wed 12/247:50 pmMIA - SOF

3 stops54h 40mMultiple Airlines

Deal found 12/17

$440

Fri 12/266:45 pmMIA - SOF

2 stops38h 45mMultiple Airlines

Deal found 12/16

$480

Thu 12/257:50 pmMIA - VAR

3 stops46h 40mMultiple Airlines

Deal found 12/17

$531

Wed 12/247:50 pmMIA - VAR

3 stops59h 10mMultiple Airlines

Deal found 12/17

$557

Fri 12/2610:30 pmMIA - VAR

1 stop27h 40mTurkish Airlines

Deal found 12/17

$602

Wed 12/244:40 pmMIA - VAR

1 stop17h 35mLufthansa

Deal found 12/17

$623

Fri 12/269:24 pmMIA - VAR

3 stops51h 26mMultiple Airlines

Deal found 12/17

$636

Fri 12/264:40 pmMIA - VAR

2 stops39h 35mAustrian Airlines

Deal found 12/17

$690

Tue 12/237:55 pmMIA - VAR

3 stops36h 20mMultiple Airlines

Deal found 12/17

$767

Find flight deals from Key Largo to Bulgaria

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$587 (FlightHub)
One-way from	$409 (Kiwi.com)
Popular in	June
Cheapest in	September
Average price	$1,141

Provider with most accurate pricing for Miami-Sofia flight deals.

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Provider most trusted by Cheapflights users for Miami-Sofia flights.

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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 ($269 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 December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Key Largo to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MiamiSofia

MIA - SOF

MIASOF

Miami

Tue 2/10

10:30 pm-8:45 am

1 stop27h 15m

Sofia

Wed 2/18

9:40 pm-8:35 pm

1 stop29h 55m

$587

MiamiSofia

MIA - SOF

MIASOF

Miami

Sun 2/8

9:45 pm-9:00 pm

1 stop16h 15m

Sofia

Mon 2/23

11:15 pm-8:00 pm

2 stops51h 45m

$593

MiamiSofia

MIA - SOF

MIASOF

Miami

Sun 2/8

10:30 pm-3:10 pm

1 stop33h 40m

Sofia

Mon 2/23

9:35 am-8:35 pm

1 stop18h 00m

$612

MiamiSofia

MIA - SOF

MIASOF

Miami

Wed 4/15

10:30 pm-8:15 pm

1 stop14h 45m

Sofia

Wed 4/22

3:50 pm-8:35 pm

1 stop35h 45m

$630

MiamiSofia

MIA - SOF

MIASOF

Miami

Tue 2/10

12:35 pm-1:15 pm

2 stops17h 40m

Sofia

Wed 2/18

6:10 am-2:40 pm

1 stop15h 30m

$636

MiamiSofia

MIA - SOF

MIASOF

Miami

Wed 4/15

1:30 pm-12:10 pm

2 stops15h 40m

Sofia

Fri 4/24

6:20 am-2:40 pm

1 stop15h 20m

$636

MiamiSofia

MIA - SOF

MIASOF

Miami

Wed 4/15

1:30 pm-12:10 pm

2 stops15h 40m

Sofia

Wed 4/22

6:10 am-5:05 pm

1 stop17h 55m

$637

MiamiSofia

MIA - SOF

MIASOF

Miami

Thu 4/16

10:35 am-3:00 pm

1 stop21h 25m

Sofia

Fri 4/24

9:35 am-8:35 pm

1 stop18h 00m

$637

MiamiSofia

MIA - SOF

MIASOF

Miami

Wed 4/15

1:30 pm-12:10 pm

2 stops15h 40m

Sofia

Thu 4/23

6:10 am-5:05 pm

1 stop17h 55m

$637

MiamiSofia

MIA - SOF

MIASOF

Miami

Tue 2/10

7:50 pm-6:20 pm

2 stops15h 30m

Sofia

Wed 2/18

2:00 pm-2:40 pm

2 stops31h 40m

$642

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 34 results

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, January is the cheapest month in which you can book a flight from Key Largo to Bulgaria (average of $358). Flying from Key Largo to Bulgaria in May is currently the most expensive (average of $832). 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?

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

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

7.5

Good

1,149 reviews

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

7.5

Good

1,149 reviews

LOT

7.5

Good

1,149 reviews

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

1,815 reviews

LOT

7.5

Good

1,149 reviews

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

United Airlines

7.4

Good

9,093 reviews

LOT

7.5

Good

1,149 reviews

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

4,105 reviews

LOT

7.5

Good

1,149 reviews

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

7,635 reviews

LOT

7.5

Good

1,149 reviews

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

How long is the flight from Key Largo to Bulgaria?
Turkish Airlines and United Airlines can get you from Key Largo to Bulgaria in just under 17h 40m. Your travel time can differ by up to 9h 35m. Airlines will cover a distance of 5665 mi. This flight may include one or multiple stops.
What are the cheapest airlines to fly from Key Largo to Bulgaria one-way?
$403 is the cheapest one-way deal found within the past few days, from Turkish Airlines. You may also be able to find cheap deals on Lufthansa and United Airlines, with prices starting from $502 and $576, 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, January is the cheapest month in which you can book a flight from Key Largo to Bulgaria (average of $358). Flying from Key Largo to Bulgaria in May is currently the most expensive (average of $832). 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

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Top 6 airlines flying from Key Largo to Bulgaria

Airline	Cheapest	Average	Flexibility	On-time
Turkish Airlines	Cheapest$551	Average$868	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$630	Average$799	FlexibilityNo cancel fee	On-time70%
SWISS	Cheapest$653	Average$1,195	FlexibilityNo cancel fee	On-time79%
Lufthansa	Cheapest$656	Average$1,103	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$657	Average$1,032	FlexibilityNo cancel fee	On-time69%
LOT	Cheapest$662	Average$1,128	FlexibilityNo cancel fee	On-time81%

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$409+ 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 12/28. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Key Largo to Bulgaria

Cheapest flights from Key Largo to BulgariaExplore 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 December 18, 2025.

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 December 18, 2025.

Find 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 December 18, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Key Largo to Bulgaria that are best for you.

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.

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?

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 December 18, 2025.

Reviews of airlines servicing Bulgaria

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.

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?

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

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

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

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

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

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

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.

Top 6 airlines flying from Key Largo to Bulgaria

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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 December 18, 2025.