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$280+ 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SOF
May 10 — May 171
Sat 5/10
Sat 5/17
1 adult, Economy
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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 May 5, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$786
(Kiwi.com)

One-way from

$280
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,178
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
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One-way flight from Key Largo to Bulgaria
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Highest demand for flights based on searches. 27% potential increase in price ($319 potential increase over avg. RT price).
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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 May 2025
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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 May 5, 2025.

This FlightHub deal was found by Cheapflights users on 5/5. 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.
Thu 8/74:40 pmMIA - VAR
2 stops37h 05mMultiple Airlines
Tue 8/199:00 pmVAR - MIA
1 stop27h 30mMultiple Airlines
Deal found 5/5$687
This FlightHub deal was found by Cheapflights users on 5/5. 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.
Thu 8/74:40 pmMIA - VAR
2 stops37h 05mLufthansa
Tue 8/193:40 pmVAR - MIA
2 stops30h 00mLufthansa
Deal found 5/5$720
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Thu 5/295:20 pmMIA - BOJ
2 stops32h 20mMultiple Airlines
Thu 6/1912:10 pmBOJ - MIA
1 stop33h 10mMultiple Airlines
Deal found 5/4$786
This Mytrip deal was found by Cheapflights users on 5/4. 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 6/47:55 amMIA - SOF
3 stops32h 40mMultiple Airlines
Wed 6/186:00 amSOF - MIA
3 stops21h 46mMultiple Airlines
Deal found 5/4$875
This Air France deal was found by Cheapflights users on 5/5. 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.
Thu 8/710:50 pmMIA - VAR
2 stops21h 30mAir France
Mon 8/1812:05 amVAR - MIA
2 stops27h 45mAir France
Deal found 5/5$887
This Austrian Airlines deal was found by Cheapflights users on 5/5. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/94:40 pmMIA - VAR
2 stops37h 05mAustrian Airlines
Tue 8/193:40 pmVAR - MIA
2 stops30h 00mAustrian Airlines
Deal found 5/5$901
This Air Canada deal was found by Cheapflights users on 5/4. 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.
Tue 7/229:40 pmMIA - SOF
2 stops37h 10mAir Canada
Sat 8/96:15 amSOF - MIA
2 stops24h 21mAir Canada
Deal found 5/4$923
This FlightHub deal was found by Cheapflights users on 5/5. 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.
Sat 8/910:35 amMIA - VAR
1 stop15h 10mTurkish Airlines
Tue 8/199:35 amVAR - MIA
1 stop28h 35mTurkish Airlines
Deal found 5/5$929
This FlightHub deal was found by Cheapflights users on 5/5. 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.
Sat 7/1910:35 amMIA - SOF
1 stop21h 10mTurkish Airlines
Mon 7/219:25 amSOF - MIA
1 stop28h 45mTurkish Airlines
Deal found 5/5$934
This United Airlines deal was found by Cheapflights users on 5/4. 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 7/2212:20 pmMIA - SOF
2 stops18h 00mUnited Airlines
Sat 8/96:15 amSOF - MIA
1 stop15h 25mUnited Airlines
Deal found 5/4$954
This SWISS deal was found by Cheapflights users on 5/5. 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.
Thu 7/177:40 pmMIA - SOF
1 stop31h 25mSWISS
Mon 7/213:30 pmSOF - MIA
1 stop33h 00mSWISS
Deal found 5/5$989
This LOT deal was found by Cheapflights users on 5/5. 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.
Fri 7/187:35 pmMIA - SOF
1 stop15h 20mLOT
Mon 7/216:40 pmSOF - MIA
1 stop29h 55mLOT
Deal found 5/5$1,014

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 May 5, 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

MiamiVarna

MIA - VAR

MIAVAR

Miami

Thu 8/7

4:40 pm-12:45 pm

2 stops37h 05m

Varna

Tue 8/19

9:00 pm-5:30 pm

1 stop27h 30m

$687

MiamiVarna

MIA - VAR

MIAVAR

Miami

Thu 8/7

4:40 pm-12:45 pm

2 stops37h 05m

Varna

Tue 8/19

3:40 pm-2:40 pm

2 stops30h 00m

$720

MiamiBurgas

MIA - BOJ

MIABOJ

Miami

Thu 5/29

5:20 pm-8:40 am

2 stops32h 20m

Bourgas

Thu 6/19

12:10 pm-2:20 pm

1 stop33h 10m

$786

MiamiSofia

MIA - SOF

MIASOF

Miami

Wed 6/4

7:55 am-11:35 pm

3 stops32h 40m

Sofia

Wed 6/18

6:00 am-8:46 pm

3 stops21h 46m

$875

MiamiVarna

MIA - VAR

MIAVAR

Miami

Thu 8/7

10:50 pm-3:20 am

2 stops21h 30m

Varna

Mon 8/18

12:05 am-8:50 pm

2 stops27h 45m

$887

MiamiVarna

MIA - VAR

MIAVAR

Miami

Sat 8/9

4:40 pm-12:45 pm

2 stops37h 05m

Varna

Tue 8/19

3:40 pm-2:40 pm

2 stops30h 00m

$901

MiamiSofia

MIA - SOF

MIASOF

Miami

Tue 7/22

9:40 pm-5:50 pm

2 stops37h 10m

Sofia

Sat 8/9

6:15 am-11:36 pm

2 stops24h 21m

$923

MiamiVarna

MIA - VAR

MIAVAR

Miami

Sat 8/9

10:35 am-8:45 am

1 stop15h 10m

Varna

Tue 8/19

9:35 am-7:10 am

1 stop28h 35m

$929

MiamiSofia

MIA - SOF

MIASOF

Miami

Sat 7/19

10:35 am-2:45 pm

1 stop21h 10m

Sofia

Mon 7/21

9:25 am-7:10 am

1 stop28h 45m

$934

MiamiSofia

MIA - SOF

MIASOF

Miami

Tue 7/22

12:20 pm-1:20 pm

2 stops18h 00m

Sofia

Sat 8/9

6:15 am-2:40 pm

1 stop15h 25m

$954

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/4

Showing 1-10 of 28 results
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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, November is the cheapest month in which you can book a flight from Key Largo to Bulgaria (average of $632). Flying from Key Largo to Bulgaria in June is currently the most expensive (average of $1,218). 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 May 5, 2025.

When flying from Key Largo to Bulgaria, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Bulgaria by month

Plan your trip to Bulgaria by taking into account the average rainfall totals by month.

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.

Temperature in Bulgaria by month

Plan your trip to Bulgaria by taking into account the average temperature totals by month.

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).

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 May 5, 2025.
To help decide which airline to fly from Key Largo to Bulgaria, see what other customers have to say about KLM, LOT and Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,337 reviews

Boarding

7.8

Entertainment

7.1

Food

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,337 reviews
KLM
7.8
Good
1,337 reviews

Boarding

7.8

Entertainment

7.1

Food

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
LOT
7.6
Good
1,071 reviews
KLM
7.8
Good
1,337 reviews

Boarding

7.8

Entertainment

7.1

Food

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Austrian Airlines
7.6
Good
781 reviews
KLM
7.8
Good
1,337 reviews

Boarding

7.8

Entertainment

7.1

Food

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
SWISS
7.5
Good
1,589 reviews
KLM
7.8
Good
1,337 reviews

Boarding

7.8

Entertainment

7.1

Food

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air France
7.4
Good
1,448 reviews
KLM
7.8
Good
1,337 reviews

Boarding

7.8

Entertainment

7.1

Food

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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.

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

    $405 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 British Airways and Lufthansa, with prices starting from $463 and $637, 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, November is the cheapest month in which you can book a flight from Key Largo to Bulgaria (average of $632). Flying from Key Largo to Bulgaria in June is currently the most expensive (average of $1,218). 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

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Top 7 airlines flying from Key Largo to Bulgaria

Discover the top 7 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 May 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$528Average$766FlexibilityNo cancel feeOn-time70%
Austrian AirlinesCheapest$598Average$857FlexibilityNo cancel feeOn-time78%
Turkish AirlinesCheapest$603Average$879FlexibilityNo cancel feeOn-time77%
LOTCheapest$662Average$1,093FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$669Average$1,114FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$671Average$1,150FlexibilityNo cancel feeOn-time69%
SWISSCheapest$701Average$1,069FlexibilityNo cancel feeOn-time79%

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