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$404+ Cheap flights from Kentucky 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SOF
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Kentucky to Bulgaria

Keep the following information in mind while searching for Kentucky to Bulgaria flight deals. Data was last updated August 20, 2025.

Round-trip from

$665
(Lufthansa)

One-way from

$404
(Kiwi.com)
From Kentucky to Bulgaria
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One-way flight from Kentucky to Bulgaria
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Find 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 August 20, 2025.

This Lufthansa deal was found by Cheapflights users on 8/17. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/121:59 pmLEX - SOF
2 stops25h 46mLufthansa
Sun 11/166:10 amSOF - LEX
2 stops24h 34mLufthansa
Deal found 8/17$665
This Ovago deal was found by Cheapflights users on 8/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/129:25 pmBNA - SOF
1 stop13h 45mBritish Airways
Mon 10/208:00 pmSOF - BNA
1 stop31h 15mBritish Airways
Deal found 8/19$673
This Gotogate deal was found by Cheapflights users on 8/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1210:15 amBNA - SOF
2 stops17h 45mMultiple Airlines
Mon 10/203:30 pmSOF - BNA
2 stops37h 30mMultiple Airlines
Deal found 8/19$678
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/125:49 pmBNA - SOF
2 stops17h 21mAmerican Airlines
Mon 10/208:00 pmSOF - BNA
1 stop31h 15mAmerican Airlines
Deal found 8/19$681
This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:20 pmBNA - SOF
2 stops16h 20mLufthansa
Wed 9/176:15 amSOF - BNA
2 stops22h 43mLufthansa
Deal found 8/19$707
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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 8/192:06 pmCVG - SOF
2 stops20h 44mLufthansa
Tue 8/266:20 amSOF - CVG
2 stops19h 37mLufthansa
Deal found 8/18$777
This Orbitz deal was found by Cheapflights users on 8/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/137:25 pmCVG - SOF
2 stops32h 50mLufthansa
Sat 9/207:25 pmSOF - CVG
2 stops28h 25mLufthansa
Deal found 8/18$785
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/135:48 pmLEX - SOF
2 stops34h 52mUnited Airlines
Sat 9/2012:45 pmSOF - LEX
2 stops55h 39mUnited Airlines
Deal found 8/18$844
This Ovago deal was found by Cheapflights users on 8/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/39:25 pmBNA - SOF
1 stop32h 05mBritish Airways
Wed 9/179:30 pmSOF - BNA
2 stops26h 13mBritish Airways
Deal found 8/19$956
This United deal was found by Cheapflights users on 8/18. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/194:33 pmCVG - SOF
2 stops18h 17mMultiple Airlines
Tue 8/266:20 amSOF - CVG
3 stops37h 49mMultiple Airlines
Deal found 8/18$963
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/139:00 amCVG - SOF
3 stops19h 15mUnited Airlines
Sat 9/206:15 amSOF - CVG
2 stops21h 36mUnited Airlines
Deal found 8/18$997
This Orbitz deal was found by Cheapflights users on 8/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/139:50 pmCVG - SOF
1 stop15h 30mMultiple Airlines
Sat 9/208:00 amSOF - CVG
2 stops19h 27mMultiple Airlines
Deal found 8/18$1,316

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 August 20, 2025.
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

LexingtonSofia

LEX - SOF

LEXSOF

Lexington Blue Grass

Wed 11/12

1:59 pm-10:45 pm

2 stops25h 46m

Sofia

Sun 11/16

6:10 am-11:44 pm

2 stops24h 34m

$665

LexingtonSofia

LEX - SOF

LEXSOF

Lexington Blue Grass

Wed 11/12

1:59 pm-6:20 pm

2 stops21h 21m

Sofia

Sun 11/16

6:10 am-8:54 pm

2 stops21h 44m

$665

NashvilleSofia

BNA - SOF

BNASOF

Nashville Intl

Sun 10/12

9:25 pm-7:10 pm

1 stop13h 45m

Sofia

Mon 10/20

8:00 pm-7:15 pm

1 stop31h 15m

$673

NashvilleSofia

BNA - SOF

BNASOF

Nashville Intl

Sun 10/12

10:15 am-12:00 pm

2 stops17h 45m

Sofia

Mon 10/20

3:30 pm-9:00 pm

2 stops37h 30m

$678

NashvilleSofia

BNA - SOF

BNASOF

Nashville Intl

Sun 10/12

5:49 pm-7:10 pm

2 stops17h 21m

Sofia

Mon 10/20

8:00 pm-7:15 pm

1 stop31h 15m

$681

NashvilleSofia

BNA - SOF

BNASOF

Nashville Intl

Wed 9/3

6:20 pm-6:40 pm

2 stops16h 20m

Sofia

Wed 9/17

6:15 am-8:58 pm

2 stops22h 43m

$707

CincinnatiSofia

CVG - SOF

CVGSOF

Cincinnati Cinci./N. Kentucky

Sat 9/13

7:25 pm-11:15 am

2 stops32h 50m

Sofia

Sat 9/20

7:25 pm-4:50 pm

2 stops28h 25m

$785

LexingtonSofia

LEX - SOF

LEXSOF

Lexington Blue Grass

Sat 9/13

5:48 pm-11:40 am

2 stops34h 52m

Sofia

Sat 9/20

12:45 pm-1:24 pm

2 stops55h 39m

$844

NashvilleSofia

BNA - SOF

BNASOF

Nashville Intl

Wed 9/3

9:25 pm-1:30 pm

1 stop32h 05m

Sofia

Wed 9/17

9:30 pm-3:43 pm

2 stops26h 13m

$956

CincinnatiSofia

CVG - SOF

CVGSOF

Cincinnati Cinci./N. Kentucky

Sat 9/13

9:00 am-11:15 am

3 stops19h 15m

Sofia

Sat 9/20

6:15 am-8:51 pm

2 stops21h 36m

$997

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 12 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 Lufthansa, United Airlines, and British Airways fly from Kentucky to Bulgaria in about 13h 45m. The time it takes to get you to your destination can typically vary by up to 12h 01m. Kentucky and Bulgaria are separated by a distance of 5435 mi. This flight may include one or multiple stops.

  • 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.

  • What is the cheapest month to book a flight from Kentucky to Bulgaria?

    Currently, November is the cheapest month in which you can book a flight from Kentucky to Bulgaria (average of $632). Flying from Kentucky to Bulgaria in June is currently the most expensive (average of $1,185). 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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