When did momondo last update prices for flights from Kentucky to Bulgaria?

Prices for flights from Kentucky to Bulgaria are refreshed on a daily basis.

How many operators does momondo search for flights from Kentucky to Bulgaria?

As of July 2025, there are 4 operators available to choose from for flights from Kentucky to Bulgaria.

How old do you have to be to fly from Kentucky to Bulgaria?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kentucky to Bulgaria.

What documentation or ID do you need to fly to Bulgaria?

The travel and health documents you'll need for your trip to Bulgaria may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bulgaria. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$635 Cheap Flights from Kentucky to Bulgaria in 2025

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Find the cheapest flights from Kentucky to Bulgaria

Round-trip

Cheap round-trip flights

8:15 am - 1:15 pmBNA-SOF

21h 00m2 stops

6:15 am - 9:00 pmSOF-BNA

22h 45m2 stops

$635United Airlines

Find Deal

qua, set 10 - qui, set 18

8:30 am - 12:00 pmBNA-SOF

19h 30m2 stops

6:15 am - 9:00 pmSOF-BNA

22h 45m2 stops

$636United Airlines

Find Deal

dom, set 7 - sex, set 19

6:45 pm - 1:00 pmBNA-SOF

34h 15m2 stops

6:15 am - 7:37 pmSOF-BNA

45h 22m2 stops

$642Air Canada

Find Deal

sáb, set 6 - qua, set 17

6:20 pm - 11:15 amBNA-SOF

32h 55m2 stops

6:20 am - 6:38 pmSOF-BNA

20h 18m2 stops

$655Lufthansa

Find Deal

sáb, set 6 - ter, set 16

6:24 pm - 6:40 pmBNA-SOF

16h 16m2 stops

6:40 pm - 6:38 pmSOF-BNA

31h 58m2 stops

$665Lufthansa

Find Deal

seg, set 8 - seg, set 15

9:25 pm - 1:30 pmBNA-SOF

32h 05m1 stop

9:30 pm - 5:29 pmSOF-BNA

27h 59m2 stops

$706British Airways

Find Deal

qua, set 10 - qua, set 17

6:34 pm - 8:40 pmLEX-SOF

19h 06m2 stops

8:00 pm - 6:30 pmSOF-LEX

29h 30m2 stops

$717British Airways

Find Deal

ter, set 30 - seg, out 20

8:15 am - 10:05 amBNA-SOF

17h 50m2 stops

6:15 am - 9:23 amSOF-BNA

35h 08m2 stops

$775

Find Deal

qua, out 1 - sáb, out 18

6:45 pm - 12:00 pmBNA-SOF

33h 15m2 stops

6:20 am - 5:53 pmSOF-BNA

43h 33m2 stops

$779Air Canada

Find Deal

ter, set 9 - dom, set 14

10:24 am - 2:00 pmLEX-SOF

20h 36m2 stops

7:00 am - 10:26 pmSOF-LEX

22h 26m2 stops

$788

Find Deal

sáb, set 13 - sáb, set 20

United Airlines flights from Kentucky to Bulgaria

Our best United Airlines deals on Kentucky to Bulgaria flight tickets

United Airlines

Sep 10

BNA8:15 amNashville Intl

21h 00m

2 stops

SOF1:15 pmSofia

Sep 18

SOF6:15 amSofia

22h 45m

2 stops

BNA9:00 pmNashville Intl

$635

Find similar

United Airlines

Sep 7

BNA8:30 amNashville Intl

19h 30m

2 stops

SOF12:00 pmSofia

Sep 19

SOF6:15 amSofia

22h 45m

2 stops

BNA9:00 pmNashville Intl

$636

Find similar

United Airlines

Oct 7

CVG11:20 amCincinnati Cinci./N. Kentucky

17h 40m

2 stops

SOF12:00 pmSofia

Oct 14

SOF6:20 amSofia

21h 07m

2 stops

CVG8:27 pmCincinnati Cinci./N. Kentucky

$685

Find similar

Air Canada flights from Kentucky to Bulgaria

Our best Air Canada deals on Kentucky to Bulgaria flight tickets

Air Canada

Sep 6

BNA6:45 pmNashville Intl

34h 15m

2 stops

SOF1:00 pmSofia

Sep 17

SOF6:15 amSofia

45h 22m

2 stops

BNA7:37 pmNashville Intl

$642

Find similar

Air Canada

Sep 9

BNA6:45 pmNashville Intl

33h 15m

2 stops

SOF12:00 pmSofia

Sep 14

SOF6:20 amSofia

43h 33m

2 stops

BNA5:53 pmNashville Intl

$779

Find similar

Air Canada

Sep 6

BNA6:45 pmNashville Intl

34h 15m

2 stops

SOF1:00 pmSofia

Sep 14

SOF6:20 amSofia

43h 33m

2 stops

BNA5:53 pmNashville Intl

$781

Find similar

Fly from

Fly to

Route

Depart

Return

Price

NashvilleSofia

BNA - SOF

BNASOF

Nashville Intl

qua 9/10

8:15 am-1:15 pm

2 stops21h 00m

Sofia

qui 9/18

6:15 am-9:00 pm

2 stops22h 45m

$635

NashvilleSofia

BNA - SOF

BNASOF

Nashville Intl

dom 9/7

8:30 am-12:00 pm

2 stops19h 30m

Sofia

sex 9/19

6:15 am-9:00 pm

2 stops22h 45m

$636

NashvilleSofia

BNA - SOF

BNASOF

Nashville Intl

sáb 9/6

6:45 pm-1:00 pm

2 stops34h 15m

Sofia

qua 9/17

6:15 am-7:37 pm

2 stops45h 22m

$642

NashvilleSofia

BNA - SOF

BNASOF

Nashville Intl

sáb 9/6

6:20 pm-11:15 am

2 stops32h 55m

Sofia

ter 9/16

6:20 am-6:38 pm

2 stops20h 18m

$655

NashvilleSofia

BNA - SOF

BNASOF

Nashville Intl

seg 9/8

6:24 pm-6:40 pm

2 stops16h 16m

Sofia

seg 9/15

6:40 pm-6:38 pm

2 stops31h 58m

$665

NashvilleSofia

BNA - SOF

BNASOF

Nashville Intl

qua 9/10

9:25 pm-1:30 pm

1 stop32h 05m

Sofia

qua 9/17

9:30 pm-5:29 pm

2 stops27h 59m

$706

LexingtonSofia

LEX - SOF

LEXSOF

Lexington Blue Grass

ter 9/30

6:34 pm-8:40 pm

2 stops19h 06m

Sofia

seg 10/20

8:00 pm-6:30 pm

2 stops29h 30m

$717

NashvilleSofia

BNA - SOF

BNASOF

Nashville Intl

qua 10/1

8:15 am-10:05 am

2 stops17h 50m

Sofia

sáb 10/18

6:15 am-9:23 am

2 stops35h 08m

$775

NashvilleSofia

BNA - SOF

BNASOF

Nashville Intl

ter 9/9

6:45 pm-12:00 pm

2 stops33h 15m

Sofia

dom 9/14

6:20 am-5:53 pm

2 stops43h 33m

$779

LexingtonSofia

LEX - SOF

LEXSOF

Lexington Blue Grass

sáb 9/13

10:24 am-2:00 pm

2 stops20h 36m

Sofia

sáb 9/20

7:00 am-10:26 pm

2 stops22h 26m

$788

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Kentucky to Bulgaria

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Bulgaria?

The cheapest day to depart from Kentucky to Bulgaria is on a Wednesday when prices can be found for as low as $786. On the other hand, Monday is the most expensive day to depart from Kentucky because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,016.

What is the cheapest time of day to depart on your flight to Bulgaria?

In the afternoon is the cheapest time of day to fly from Kentucky to Bulgaria when you can find flight prices for as low as $933. Flying to Bulgaria in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Bulgaria are more costly in the morning, with an average ticket price of $1,011. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Kentucky to Bulgaria flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kentucky to Bulgaria

Best Price Found	$635
Fastest flight time	13h 40m
Direct flights	None
Airports in Bulgaria	1 airport

The best flight deal from Kentucky to Bulgaria found on momondo in the last 72 hours is $635

The fastest flight from Kentucky to Bulgaria takes 13h 40m

There are no direct flights from Kentucky to Bulgaria. Popular non-direct routes for this connection are Lexington Blue Grass Airport - Sofia Airport, Nashville Intl Airport - Sofia Airport and Cincinnati Cinci./N. Kentucky Airport - Sofia Airport.

There is 1 airport near Bulgaria: Sofia (SOF)

Search flight deals

When did momondo last update prices for flights from Kentucky to Bulgaria?
Prices for flights from Kentucky to Bulgaria are refreshed on a daily basis.
How many operators does momondo search for flights from Kentucky to Bulgaria?
As of July 2025, there are 4 operators available to choose from for flights from Kentucky to Bulgaria.
How old do you have to be to fly from Kentucky to Bulgaria?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kentucky to Bulgaria.
What documentation or ID do you need to fly to Bulgaria?
The travel and health documents you'll need for your trip to Bulgaria may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bulgaria. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Kentucky to Bulgaria?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Kentucky to Bulgaria. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Kentucky to Bulgaria with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Bulgaria from Kentucky with this policy.

How can momondo help me find flights from Kentucky to Bulgaria?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Kentucky to Bulgaria.

I’m not ready to book a flight from Kentucky to Bulgaria right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Kentucky to Bulgaria flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Bulgaria trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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ter 8/5

ter 8/12

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Popular cities in Bulgaria

Flights to Sofiafrom $343

Flights to Varnafrom $405

Flights to Burgasfrom $496

Flights to Plovdivfrom $1,466

Cheap flights from Kentucky to Bulgaria from $635

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Kentucky to Bulgaria departing on 9/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Kentucky to Bulgaria

Cheap round-trip flights

United Airlines flights from Kentucky to Bulgaria

Our best United Airlines deals on Kentucky to Bulgaria flight tickets

Air Canada flights from Kentucky to Bulgaria

Our best Air Canada deals on Kentucky to Bulgaria flight tickets

momondo Fare Finder

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

See travel insights to Bulgaria from

How to get the cheapest flight ticket from Kentucky to Bulgaria

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Bulgaria?

What is the cheapest time of day to depart on your flight to Bulgaria?

Cheap Kentucky to Bulgaria flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kentucky to Bulgaria

Best Price Found

Fastest flight time

Direct flights

Airports in Bulgaria

When did momondo last update prices for flights from Kentucky to Bulgaria?

How many operators does momondo search for flights from Kentucky to Bulgaria?

How old do you have to be to fly from Kentucky to Bulgaria?

What documentation or ID do you need to fly to Bulgaria?

Why use momondo?

Why should I use momondo to find a flight deal from Kentucky to Bulgaria?

Can I find flights from Kentucky to Bulgaria with flexible booking policies on momondo?

How can momondo help me find flights from Kentucky to Bulgaria?

I’m not ready to book a flight from Kentucky to Bulgaria right now. Can momondo alert me if prices change?

An easier way to manage your Bulgaria trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Bulgaria

Popular cities in Bulgaria

Popular flights according to clicks in the last 7 days on momondo