HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bulgaria

$528+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SOF
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kentucky 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.

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 December 4, 2025.

This Ovago deal was found by Cheapflights users on 12/4. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/182:19 pmCVG - SOF
2 stops15h 56mLufthansa
Mon 12/226:10 amSOF - CVG
2 stops24h 34mLufthansa
Deal found 12/4$1,778
This SWISS deal was found by Cheapflights users on 12/4. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/182:19 pmCVG - SOF
3 stops45h 01mSWISS
Mon 12/223:00 pmSOF - CVG
3 stops36h 18mSWISS
Deal found 12/4$2,213
This oojo deal was found by Cheapflights users on 12/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/182:44 pmCVG - SOF
2 stops37h 31mBritish Airways
Mon 12/225:25 pmSOF - CVG
1 stop32h 30mBritish Airways
Deal found 12/4$2,535
This KAYAK deal was found by Cheapflights users on 12/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:06 pmLEX - SOF
2 stops33h 09mBritish Airways
Mon 12/225:25 pmSOF - LEX
2 stops32h 11mBritish Airways
Deal found 12/4$2,717
This Air Canada deal was found by Cheapflights users on 12/4. 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.
Thu 12/186:40 pmCVG - SOF
2 stops16h 20mAir Canada
Mon 12/222:20 pmSOF - CVG
3 stops27h 19mAir Canada
Deal found 12/4$3,734

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 December 4, 2025.

Round-trip from

$528
(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 December 4, 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

NashvilleSofia

BNA - SOF

BNASOF

Nashville Intl

Wed 1/28

4:41 pm-10:45 pm

2 stops22h 04m

Sofia

Sun 2/1

6:10 am-9:42 pm

2 stops23h 32m

$528

CincinnatiSofia

CVG - SOF

CVGSOF

Cincinnati Cinci./N. Kentucky

Wed 1/28

7:00 am-6:20 pm

2 stops28h 20m

Sofia

Sun 2/1

6:10 am-8:46 pm

2 stops21h 36m

$528

LexingtonSofia

LEX - SOF

LEXSOF

Lexington Blue Grass

Wed 2/4

2:00 pm-6:20 pm

2 stops21h 20m

Sofia

Sun 2/8

6:10 am-8:31 pm

2 stops21h 21m

$528

NashvilleSofia

BNA - SOF

BNASOF

Nashville Intl

Thu 1/29

8:00 am-10:45 pm

2 stops30h 45m

Sofia

Mon 2/2

6:10 am-3:05 pm

2 stops16h 55m

$537

NashvilleSofia

BNA - SOF

BNASOF

Nashville Intl

Fri 4/17

6:00 pm-6:40 pm

2 stops16h 40m

Sofia

Tue 4/28

6:10 am-7:15 pm

2 stops21h 05m

$549

NashvilleSofia

BNA - SOF

BNASOF

Nashville Intl

Thu 1/29

5:44 pm-11:15 am

2 stops33h 31m

Sofia

Mon 2/2

5:25 pm-4:15 pm

1 stop30h 50m

$722

CincinnatiSofia

CVG - SOF

CVGSOF

Cincinnati Cinci./N. Kentucky

Mon 5/25

7:41 pm-6:40 pm

2 stops15h 59m

Sofia

Wed 8/5

2:00 pm-11:49 pm

2 stops16h 49m

$1,461

CincinnatiSofia

CVG - SOF

CVGSOF

Cincinnati Cinci./N. Kentucky

Thu 12/18

2:19 pm-1:15 pm

2 stops15h 56m

Sofia

Mon 12/22

6:10 am-11:44 pm

2 stops24h 34m

$1,778

CincinnatiSofia

CVG - SOF

CVGSOF

Cincinnati Cinci./N. Kentucky

Thu 12/18

2:19 pm-6:20 pm

3 stops45h 01m

Sofia

Mon 12/22

3:00 pm-8:18 pm

3 stops36h 18m

$2,213

CincinnatiSofia

CVG - SOF

CVGSOF

Cincinnati Cinci./N. Kentucky

Thu 12/18

2:44 pm-11:15 am

2 stops37h 31m

Sofia

Mon 12/22

5:25 pm-6:55 pm

1 stop32h 30m

$2,535

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 12 results
1
2

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, Lufthansa, and British Airways fly from Kentucky to Bulgaria in about 16h 40m. The time it takes to get you to your destination can typically vary by up to 16h 51m. 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.

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 Kentucky to Bulgaria

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
Newark to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Gatwick flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
Boston to Heathrow flights
Los Angeles to Heathrow flights
Newark to Gatwick flights
Miami to Madrid flights
John F Kennedy Intl to Lisbon flights
Newark to Orly flights
Dulles Intl to Heathrow flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Orly flights
Newark to Barcelona-El Prat flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to Istanbul flights
Newark to Madrid flights
LaGuardia to Charles de Gaulle flights
John F Kennedy Intl to Malpensa flights
John F Kennedy Intl to Barcelona-El Prat flights
Newark to Lisbon flights
O'Hare Intl to Heathrow flights
Newark to Malpensa flights
John F Kennedy Intl to Dublin flights
John F Kennedy Intl to Madrid flights
O'Hare Intl to Charles de Gaulle flights
Boston to Charles de Gaulle flights
Newark to Athens flights
Newark to Dublin flights
San Francisco to Heathrow flights
Los Angeles to Charles de Gaulle flights
Dulles Intl to Charles de Gaulle flights
John F Kennedy Intl to Luton flights
Newark to Frankfurt flights
San Francisco to Charles de Gaulle flights
Baltimore to Heathrow flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
Boston to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
Boston to Dublin flights
Seattle to Heathrow flights
John F Kennedy Intl to Frankfurt flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Athens flights
John F Kennedy Intl to Amsterdam flights

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.