How long is the flight from United States to Bulgaria?

Flight times from United States to Bulgaria vary, but if you’re flying out of Boston and flying into Sofia (one of the most popular routes), then the duration is 9h 55m on average. Another popular route from United States to Bulgaria is flying from New York to Sofia, which will take roughly 11h 40m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from United States to Bulgaria?

British Airways, Turkish Airlines, and United Airlines are the most popular carriers operating from United States to Bulgaria

What airlines fly to Bulgaria?

Lufthansa, Turkish Airlines and United Airlines are the top three most popular airlines that fly to Bulgaria from United States according to our data. Lufthansa is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Bulgaria. Keep in mind that there are 13 different airlines that fly to Bulgaria on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from United States to Bulgaria refresh daily.

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

The number of operators available for flights from United States to Bulgaria is 12 as of August 2026.

How old do you have to be to fly from United States 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 United States to Bulgaria.

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

The required travel and health documents for your Bulgaria trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bulgaria. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$265 Cheap Flights from the United States to Bulgaria in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United States to Bulgaria

Round-trip

One-way

Last minute

Recent round-trip flight deals from the United States to Bulgaria

Enter your travel dates to find the best prices.

5:30 pm - 1:35 amEWR Newark-SOF Sofia

25h 05m2 stops Lisbon Humberto Delgado Barcelona-El Prat

9:40 pm - 9:00 pmSOF Sofia-EWR Newark

30h 20m2 stops Barcelona-El Prat Lisbon Humberto Delgado

$612Multiple Airlines

Mon, Sep 28 - Wed, Oct 14

5:30 pm - 1:35 amEWR Newark-SOF Sofia

25h 05m2 stops Lisbon Humberto Delgado Barcelona-El Prat

9:40 pm - 9:00 pmSOF Sofia-EWR Newark

30h 20m2 stops Barcelona-El Prat Lisbon Humberto Delgado

$613Multiple Airlines

Mon, Sep 28 - Wed, Oct 14

12:25 am - 8:55 pmEWR Newark-SOF Sofia

13h 30m1 stop Istanbul

4:00 pm - 10:30 pmSOF Sofia-EWR Newark

13h 30m1 stop Istanbul

$711Turkish Airlines

Tue, Dec 1 - Tue, Dec 8

4:10 pm - 1:55 pmSFO San Francisco-SOF Sofia

35h 45m1 stop Warsaw Frederic Chopin

6:45 pm - 8:50 pmSOF Sofia-SFO San Francisco

36h 05m1 stop Warsaw Frederic Chopin

$713LOT

Thu, Oct 8 - Tue, Oct 20

10:50 pm - 1:50 pmSFO San Francisco-SOF Sofia

29h 00m1 stop Warsaw Frederic Chopin

6:45 pm - 8:50 pmSOF Sofia-SFO San Francisco

36h 05m1 stop Warsaw Frederic Chopin

$713LOT

Wed, Oct 7 - Tue, Oct 20

10:55 pm - 6:20 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

12h 25m1 stop Munich Franz Josef Strauss

6:25 am - 3:55 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

16h 30m1 stop Frankfurt am Main

$715Lufthansa

Tue, Dec 1 - Tue, Dec 15

8:10 pm - 8:20 pmORD Chicago O'Hare Intl-SOF Sofia

16h 10m1 stop Istanbul

9:10 pm - 9:40 amSOF Sofia-ORD Chicago O'Hare Intl

20h 30m1 stop Istanbul

$720Turkish Airlines

Mon, Oct 12 - Wed, Oct 21

5:15 pm - 6:20 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

18h 05m2 stops Boston Logan Intl Munich Franz Josef Strauss

6:25 am - 3:55 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

16h 30m1 stop Frankfurt am Main

$725Lufthansa

Tue, Jan 26 - Tue, Feb 9

9:00 pm - 8:10 pmORD Chicago O'Hare Intl-SOF Sofia

39h 10m2 stops Dallas/Fort Worth London Heathrow

5:15 pm - 4:49 pmSOF Sofia-ORD Chicago O'Hare Intl

31h 34m2 stops London Heathrow New York John F Kennedy Intl

$732British Airways

Mon, Jan 25 - Mon, Feb 8

11:43 pm - 8:10 pmSFO San Francisco-SOF Sofia

34h 27m2 stops Dallas/Fort Worth London Heathrow

5:15 pm - 6:30 pmSOF Sofia-SFO San Francisco

35h 15m2 stops London Heathrow Los Angeles

$748British Airways

Mon, Dec 28 - Mon, Jan 11

Recent last minute flight deals from the United States to Bulgaria

Enter your travel dates to find the best prices.

12:30 am - 9:40 amJFK New York John F Kennedy Intl-SOF Sofia

26h 10m1 stop Rome Fiumicino

9:05 pm - 10:30 pmSOF Sofia-JFK New York John F Kennedy Intl

32h 25m1 stop Rome Ciampino

$742Multiple Airlines

Mon, Aug 31 - Wed, Sep 9

12:30 am - 9:40 amJFK New York John F Kennedy Intl-SOF Sofia

26h 10m1 stop Rome Fiumicino

9:15 pm - 10:30 pmSOF Sofia-JFK New York John F Kennedy Intl

32h 15m2 stops Bari Palese Rome Fiumicino

$744Multiple Airlines

Mon, Aug 31 - Wed, Sep 9

10:50 pm - 6:00 pmEWR Newark-SOF Sofia

12h 10m1 stop Warsaw Frederic Chopin

2:35 pm - 11:05 pmSOF Sofia-EWR Newark

15h 30m1 stop Warsaw Frederic Chopin

$781LOT

Tue, Sep 1 - Tue, Sep 8

7:45 pm - 6:00 pmEWR Newark-SOF Sofia

15h 15m1 stop Warsaw Frederic Chopin

2:35 pm - 11:05 pmSOF Sofia-EWR Newark

15h 30m1 stop Warsaw Frederic Chopin

$799LOT

Mon, Aug 31 - Tue, Sep 8

5:40 pm - 11:40 amEWR Newark-SOF Sofia

11h 00m1 stop Vienna Intl

12:55 pm - 9:59 pmSOF Sofia-EWR Newark

16h 04m2 stops Munich Franz Josef Strauss Boston Logan Intl

$832United Airlines

Tue, Sep 1 - Wed, Sep 9

12:45 pm - 3:05 pmEWR Newark-SOF Sofia

19h 20m2 stops Halifax Intl Zurich

12:55 pm - 8:15 pmSOF Sofia-EWR Newark

38h 20m2 stops Munich Franz Josef Strauss Zurich

$838SWISS

Thu, Sep 3 - Wed, Sep 9

5:30 pm - 12:10 pmJFK New York John F Kennedy Intl-SOF Sofia

11h 40m1 stop Munich Franz Josef Strauss

7:00 pm - 1:35 pmSOF Sofia-JFK New York John F Kennedy Intl

25h 35m1 stop Frankfurt am Main

$844Lufthansa

Tue, Sep 1 - Mon, Sep 14

5:30 pm - 12:10 pmJFK New York John F Kennedy Intl-SOF Sofia

11h 40m1 stop Munich Franz Josef Strauss

7:25 pm - 1:35 pmSOF Sofia-JFK New York John F Kennedy Intl

25h 10m2 stops Munich Franz Josef Strauss Frankfurt am Main

$844Lufthansa

Tue, Sep 1 - Mon, Sep 14

5:15 pm - 12:10 pmEWR Newark-SOF Sofia

11h 55m1 stop Munich Franz Josef Strauss

12:55 pm - 9:59 pmSOF Sofia-EWR Newark

16h 04m2 stops Munich Franz Josef Strauss Boston Logan Intl

$845United Airlines

Mon, Aug 31 - Wed, Sep 9

7:25 pm - 12:55 pmJFK New York John F Kennedy Intl-SOF Sofia

34h 30m2 stops Geneva Geneve-Cointrin Zurich

11:05 am - 12:50 pmSOF Sofia-JFK New York John F Kennedy Intl

32h 45m1 stop Zurich

$849SWISS

Thu, Sep 3 - Wed, Sep 9

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Turkish Airlines flights from United States to Bulgaria

Our best Turkish Airlines deals on United States to Bulgaria flight tickets

Turkish Airlines

Dec 1

EWR12:25 amNewark

13h 30m

1 stop

SOF8:55 pmSofia

Dec 8

SOF4:00 pmSofia

13h 30m

1 stop

EWR10:30 pmNewark

$711

Turkish Airlines

Oct 11

ORD8:10 pmChicago O'Hare Intl

34h 50m

1 stop

SOF3:00 pmSofia

Oct 22

SOF9:10 pmSofia

20h 30m

1 stop

ORD9:40 amChicago O'Hare Intl

$720

Turkish Airlines

Oct 24

EWR1:25 amNewark

13h 30m

1 stop

SOF8:55 pmSofia

Nov 17

SOF9:45 pmSofia

31h 45m

1 stop

EWR10:30 pmNewark

$723

LOT flights from United States to Bulgaria

Our best LOT deals on United States to Bulgaria flight tickets

LOT

Oct 7

SFO10:50 pmSan Francisco

29h 00m

1 stop

SOF1:50 pmSofia

Oct 20

SOF6:45 pmSofia

36h 05m

1 stop

SFO8:50 pmSan Francisco

$713

LOT

Oct 18

ORD9:50 pmChicago O'Hare Intl

12h 10m

1 stop

SOF6:00 pmSofia

Nov 1

SOF2:35 pmSofia

13h 20m

1 stop

ORD7:55 pmChicago O'Hare Intl

$721

LOT

Oct 13

EWR10:50 pmNewark

12h 10m

1 stop

SOF6:00 pmSofia

Nov 23

SOF6:40 pmSofia

32h 45m

1 stop

EWR8:25 pmNewark

$725

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkSofia

EWR Newark - SOF Sofia

EWRSOF

Newark

Mon 9/28

5:30 pm-1:35 am

2 stops25h 05m

Sofia

Wed 10/14

9:40 pm-9:00 pm

2 stops30h 20m

$612

NewarkSofia

EWR Newark - SOF Sofia

EWRSOF

Newark

Mon 9/28

5:30 pm-1:35 am

2 stops25h 05m

Sofia

Wed 10/14

9:40 pm-9:00 pm

2 stops30h 20m

$613

Quickest round-trip

NewarkSofia

EWR Newark - SOF Sofia

EWRSOF

Newark

Tue 12/1

12:25 am-8:55 pm

1 stop13h 30m

Sofia

Tue 12/8

4:00 pm-10:30 pm

1 stop13h 30m

$711

San FranciscoSofia

SFO San Francisco - SOF Sofia

SFOSOF

San Francisco

Thu 10/8

4:10 pm-1:55 pm

1 stop35h 45m

Sofia

Tue 10/20

6:45 pm-8:50 pm

1 stop36h 05m

$713

San FranciscoSofia

SFO San Francisco - SOF Sofia

SFOSOF

San Francisco

Wed 10/7

10:50 pm-1:50 pm

1 stop29h 00m

Sofia

Tue 10/20

6:45 pm-8:50 pm

1 stop36h 05m

$713

Washington, D.C.Sofia

IAD Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Tue 12/1

10:55 pm-6:20 pm

1 stop12h 25m

Sofia

Tue 12/15

6:25 am-3:55 pm

1 stop16h 30m

$715

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Mon 10/12

8:10 pm-8:20 pm

1 stop16h 10m

Sofia

Wed 10/21

9:10 pm-9:40 am

1 stop20h 30m

$720

Washington, D.C.Sofia

IAD Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Tue 1/26

5:15 pm-6:20 pm

2 stops18h 05m

Sofia

Tue 2/9

6:25 am-3:55 pm

1 stop16h 30m

$725

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Mon 1/25

9:00 pm-8:10 pm

2 stops39h 10m

Sofia

Mon 2/8

5:15 pm-4:49 pm

2 stops31h 34m

$732

San FranciscoSofia

SFO San Francisco - SOF Sofia

SFOSOF

San Francisco

Mon 12/28

11:43 pm-8:10 pm

2 stops34h 27m

Sofia

Mon 1/11

5:15 pm-6:30 pm

2 stops35h 15m

$748

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from United States 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

Prices

Airlines

Other information

What is the cheapest month to fly to Bulgaria?

If you aren’t able to travel to Bulgaria during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $615.

How far in advance should I book a flight to Bulgaria?

You are more likely to see cheaper flights to Bulgaria from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Bulgaria for around $721 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bulgaria from United States for as low as $601 on momondo.

Can stopping save me money on United States to Bulgaria flights?

You could potentially save up to 35% on your flight if you consider stops on a United States to Bulgaria flight.

Cheap United States to Bulgaria flight deals and tips

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

Best Price Found	$265
Fastest flight time	9h 55m
Direct flights	None

The best one-way flight to Bulgaria from United States in the past 72 hours is $265. The best round-trip flight deal from United States to Bulgaria found on momondo in the last 72 hours is $612.

The fastest flight from United States to Bulgaria takes 9h 55m

There are no direct flights from United States to Bulgaria. There are no popular flight routes from United States to Bulgaria.

Search flight deals

Frequently asked questions about flying from the United States to Bulgaria

When did momondo last update prices for flights from United States to Bulgaria?
Prices for flights from United States to Bulgaria refresh daily.
How many operators does momondo search for flights from United States to Bulgaria?
The number of operators available for flights from United States to Bulgaria is 12 as of August 2026.
How old do you have to be to fly from United States 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 United States to Bulgaria.
What documentation or ID do you need to fly to Bulgaria?
The required travel and health documents for your Bulgaria trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bulgaria. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from United States to Bulgaria

Compare and see reviews for airlines that fly from United States to Bulgaria with momondo

Airline	Rating	Free Cancellation	Price
SWISS	PriceFrom $353	Free Cancellation	Rating 7.5 2,059 reviews	Search SWISS flights
Austrian Airlines	PriceFrom $356	Free Cancellation	Rating 7.6 948 reviews	Search Austrian Airlines flights
KLM	PriceFrom $380	Free Cancellation	Rating 7.8 1,568 reviews	Search KLM flights
Turkish Airlines	PriceFrom $391	Free Cancellation	Rating 7.4 4,476 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $394	Free Cancellation	Rating 7.4 10,147 reviews	Search United Airlines flights
Lufthansa	PriceFrom $396	Free Cancellation	Rating 6.8 8,226 reviews	Search Lufthansa flights
Air France	PriceFrom $396	Free Cancellation	Rating 7.5 1,644 reviews	Search Air France flights
LOT	PriceFrom $413	Free Cancellation	Rating 7.5 1,210 reviews	Search LOT flights
British Airways	PriceFrom $421	Free Cancellation	Rating 6.7 8,197 reviews	Search British Airways flights
JetBlue	PriceFrom $478	Free Cancellation	Rating 7.1 3,032 reviews	Search JetBlue flights

Why use momondo?

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

Finding the right flight to Bulgaria from United States is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Bulgaria quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for United States to Bulgaria flights to just show those with flexible booking policies.

How can momondo help me find flights from United States to Bulgaria?

momondo helps you find the best flight between United States and Bulgaria by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Bulgaria from United States. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when 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.

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Tue 9/29

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Popular cities

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Complete your trip

Feeling lucky

Popular cities in Bulgaria

Flights to Sofiafrom $590

Flights to Varnafrom $687

Flights to Burgasfrom $849

Flights to Plovdivfrom $894

Cheap flights from the United States to Bulgaria from $265

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Bulgaria departing on 9/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from the United States to Bulgaria

Recent round-trip flight deals from the United States to Bulgaria

Recent one-way flight deals from the United States to Bulgaria

Recent last minute flight deals from the United States to Bulgaria

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Turkish Airlines flights from United States to Bulgaria

Our best Turkish Airlines deals on United States to Bulgaria flight tickets

LOT flights from United States to Bulgaria

Our best LOT deals on United States to Bulgaria flight tickets

momondo Fare Finder

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

See travel insights to Bulgaria from

How to get the cheapest flight ticket from United States to Bulgaria

What is the cheapest month to fly to Bulgaria?

How far in advance should I book a flight to Bulgaria?

Can stopping save me money on United States to Bulgaria flights?

What is the cheapest airline that flies from United States to Bulgaria?

What airlines fly to Bulgaria?

How long is the flight from United States to Bulgaria?

Cheap United States to Bulgaria flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from the United States to Bulgaria

Best airlines flying from United States to Bulgaria

Compare and see reviews for airlines that fly from United States to Bulgaria with momondo

Why use momondo?

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

United States flight routes

According to popular flight searches on momondo this year

Bulgaria flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Bulgaria

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Bulgaria

List of cabin classes available on flights landing in Bulgaria. Availability may vary depending on flight origin and airline.

Complete your trip to Bulgaria

Explore popular destinations other users love

According to popular flight searches on momondo this year