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Bulgaria

$551+ Cheap flights from Kentucky to Bulgaria

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SOF
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Kentucky to Bulgaria

Cheapest flights from Kentucky to Bulgaria
Explore the most affordable flight options available from Kentucky to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 2/252:50 pm
BNA
-
SOF
2 stops23h 55m
United Airlines
Sun 3/12:25 pm
SOF
-
BNA
2 stops33h 26m
United Airlines
Deal found 1/20$551
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Wed 2/2510:35 am
LEX
-
SOF
2 stops29h 10m
United Airlines
Sun 3/12:25 pm
SOF
-
LEX
2 stops40h 24m
United Airlines
Deal found 1/19$558
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Fri 4/176:35 pm
BNA
-
SOF
2 stops16h 05m
United Airlines
Tue 4/286:10 am
SOF
-
BNA
2 stops16h 55m
United Airlines
Deal found 1/20$589
This FlightHub deal was found by Cheapflights users on 1/21. 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.
Fri 4/176:35 pm
BNA
-
SOF
2 stops19h 55m
Lufthansa
Tue 4/286:10 am
SOF
-
BNA
2 stops21h 32m
Lufthansa
Deal found 1/21$593
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Sat 3/2110:10 am
CVG
-
SOF
2 stops30h 35m
United Airlines
Sat 3/286:05 am
SOF
-
CVG
2 stops23h 48m
United Airlines
Deal found 1/21$603
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Fri 3/208:10 pm
CVG
-
SOF
2 stops35h 30m
United Airlines
Sat 3/282:00 pm
SOF
-
CVG
2 stops15h 53m
United Airlines
Deal found 1/21$613
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Fri 2/67:00 am
CVG
-
SOF
2 stops23h 35m
United Airlines
Tue 2/102:00 pm
SOF
-
CVG
2 stops37h 37m
United Airlines
Deal found 1/19$620
This KLM deal was found by Cheapflights users on 1/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2111:47 am
CVG
-
SOF
2 stops20h 18m
Multiple Airlines
Sat 3/287:00 am
SOF
-
CVG
1 stop15h 15m
Multiple Airlines
Deal found 1/21$621
This KLM deal was found by Cheapflights users on 1/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/201:00 pm
CVG
-
SOF
2 stops19h 05m
Multiple Airlines
Sat 3/287:00 am
SOF
-
CVG
1 stop15h 15m
Multiple Airlines
Deal found 1/21$836
This KAYAK deal was found by Cheapflights users on 1/21. 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.
Sun 5/249:20 pm
CVG
-
SOF
1 stop15h 00m
British Airways
Mon 8/38:10 pm
SOF
-
CVG
1 stop24h 05m
British Airways
Deal found 1/21$947
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Sun 5/249:00 am
CVG
-
SOF
2 stops20h 10m
United Airlines
Wed 8/56:10 am
SOF
-
CVG
2 stops22h 14m
United Airlines
Deal found 1/21$964
This Air Canada deal was found by Cheapflights users on 1/21. 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 5/256:30 am
CVG
-
SOF
2 stops22h 40m
Air Canada
Thu 8/62:10 pm
SOF
-
CVG
2 stops32h 44m
Air Canada
Deal found 1/21$966

Find flight deals from Kentucky to Bulgaria

Keep the following information in mind while searching for Kentucky to Bulgaria flight deals. Data was last updated January 21, 2026.

Round-trip from

$551
(United Airlines)
From Kentucky to Bulgaria
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky 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 January 21, 2026.
Use the filters below to find and compare flights from Kentucky to Bulgaria that are best for you.

Fly from

Kentucky

Fly to

Bulgaria

Route

Depart

Return

Price

NashvilleSofia

BNA - SOF

BNASOF

Nashville Intl

Wed 2/25

2:50 pm-10:45 pm

2 stops23h 55m

Sofia

Sun 3/1

2:25 pm-3:51 pm

2 stops33h 26m

$551

LexingtonSofia

LEX - SOF

LEXSOF

Lexington Blue Grass

Wed 2/25

10:35 am-10:45 pm

2 stops29h 10m

Sofia

Sun 3/1

2:25 pm-11:49 pm

2 stops40h 24m

$558

NashvilleSofia

BNA - SOF

BNASOF

Nashville Intl

Fri 4/17

6:35 pm-6:40 pm

2 stops16h 05m

Sofia

Tue 4/28

6:10 am-3:05 pm

2 stops16h 55m

$589

CincinnatiSofia

CVG - SOF

CVGSOF

Cincinnati Cinci./N. Kentucky

Sat 3/21

6:40 pm-10:45 pm

2 stops22h 05m

Sofia

Sat 3/28

6:05 am-11:53 pm

2 stops23h 48m

$613

CincinnatiSofia

CVG - SOF

CVGSOF

Cincinnati Cinci./N. Kentucky

Fri 2/6

7:00 am-1:35 pm

2 stops23h 35m

Sofia

Tue 2/10

2:00 pm-8:37 pm

2 stops37h 37m

$620

CincinnatiSofia

CVG - SOF

CVGSOF

Cincinnati Cinci./N. Kentucky

Sat 3/21

11:47 am-2:05 pm

2 stops20h 18m

Sofia

Sat 3/28

7:00 am-4:15 pm

1 stop15h 15m

$621

CincinnatiSofia

CVG - SOF

CVGSOF

Cincinnati Cinci./N. Kentucky

Fri 3/20

1:00 pm-2:05 pm

2 stops19h 05m

Sofia

Sat 3/28

7:00 am-4:15 pm

1 stop15h 15m

$836

CincinnatiSofia

CVG - SOF

CVGSOF

Cincinnati Cinci./N. Kentucky

Sun 5/24

9:00 am-12:10 pm

2 stops20h 10m

Sofia

Wed 8/5

6:10 am-9:24 pm

2 stops22h 14m

$964

CincinnatiSofia

CVG - SOF

CVGSOF

Cincinnati Cinci./N. Kentucky

Mon 5/25

7:25 am-12:10 pm

2 stops21h 45m

Sofia

Wed 8/5

6:10 am-9:24 pm

2 stops22h 14m

$964

CincinnatiSofia

CVG - SOF

CVGSOF

Cincinnati Cinci./N. Kentucky

Wed 5/27

10:15 am-11:10 pm

2 stops29h 55m

Sofia

Tue 8/4

7:25 pm-11:49 pm

2 stops35h 24m

$981

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 11 results
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Best time to book a flight from Kentucky to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from Kentucky 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 Kentucky to Bulgaria
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Kentucky 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 Kentucky to Bulgaria?

    Airlines like United Airlines fly from Kentucky to Bulgaria in about 23h 55m. The time it takes to get you to your destination can typically vary by up to . Kentucky and Bulgaria are separated by a distance of 5435 mi.

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

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

  • How can I find direct flights from Kentucky to Bulgaria?

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

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

    Yes. Cheapflights offers flight deals from Kentucky 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.

See more FAQs

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