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 10h 35m on average. Another popular route from United States to Bulgaria is flying from New York to Sofia, which will take roughly 11h 25m. Keep in mind that layovers or delays could extend your travel time.

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 39% 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.

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

United Airlines, British Airways, and Air Canada are the most popular carriers operating from 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 September 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.

$227 Cheap Flights from the United States to Bulgaria in 2026/27

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.

9:50 pm - 8:10 pmLAX Los Angeles-SOF Sofia

37h 20m1 stop London Heathrow

5:15 pm - 3:50 pmSOF Sofia-LAX Los Angeles

32h 35m1 stop London Heathrow

$589British Airways

Mon, Oct 26 - Mon, Nov 9

5:50 pm - 5:00 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

16h 10m1 stop Madrid Barajas

5:40 am - 4:20 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

17h 40m1 stop Madrid Barajas

$595Multiple Airlines

Mon, Nov 23 - Thu, Dec 3

8:35 pm - 7:20 pmSFO San Francisco-SOF Sofia

36h 45m1 stop London Heathrow

5:15 pm - 2:55 pmSOF Sofia-SFO San Francisco

31h 40m1 stop London Heathrow

$608British Airways

Wed, Jan 27 - Mon, Feb 8

7:10 pm - 11:55 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

22h 45m1 stop Vienna Intl

8:00 am - 2:00 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

13h 00m1 stop Vienna Intl

$611Austrian Airlines

Tue, Mar 23 - Tue, Apr 6

6:10 pm - 6:00 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

16h 50m1 stop Vienna Intl

7:55 am - 2:10 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

13h 15m1 stop Vienna Intl

$611Austrian Airlines

Wed, Feb 24 - Wed, Mar 10

12:45 am - 1:25 pmEWR Newark-SOF Sofia

29h 40m2 stops Porto London Gatwick

6:00 am - 10:10 pmSOF Sofia-EWR Newark

23h 10m2 stops London Luton Lisbon Humberto Delgado

$611Multiple Airlines

Mon, Nov 9 - Mon, Nov 23

6:30 pm - 6:20 pmLAX Los Angeles-SOF Sofia

14h 50m1 stop Munich Franz Josef Strauss

6:10 am - 3:15 pmSOF Sofia-LAX Los Angeles

19h 05m1 stop Munich Franz Josef Strauss

$613Lufthansa

Tue, Mar 23 - Tue, Apr 6

5:30 pm - 10:55 pmLAX Los Angeles-SOF Sofia

19h 25m1 stop Munich Franz Josef Strauss

6:00 am - 3:15 pmSOF Sofia-LAX Los Angeles

19h 15m1 stop Munich Franz Josef Strauss

$613Lufthansa

Wed, Feb 24 - Wed, Mar 10

7:25 pm - 1:15 pmSFO San Francisco-SOF Sofia

31h 50m2 stops Zurich Munich Franz Josef Strauss

3:00 pm - 4:30 pmSOF Sofia-SFO San Francisco

35h 30m1 stop Zurich

$623SWISS

Mon, Jan 25 - Mon, Feb 8

7:50 pm - 10:30 amTPA Tampa-SOF Sofia

31h 40m1 stop Zurich

3:00 pm - 4:35 pmSOF Sofia-TPA Tampa

56h 35m2 stops Zurich Frankfurt am Main

$797SWISS

Fri, Dec 25 - Mon, Jan 4

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

11:25 am - 10:30 pmSOF Sofia-JFK New York John F Kennedy Intl

18h 05m2 stops Palermo Punta Raisi Rome Fiumicino

$727Multiple Airlines

Mon, Sep 28 - Sat, Oct 10

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

16h 10m1 stop Istanbul

9:30 am - 6:20 pmSOF Sofia-ORD Chicago O'Hare Intl

16h 50m1 stop Istanbul

$755Turkish Airlines

Sun, Oct 4 - Fri, Feb 26

9:50 pm - 8:45 amBOS Boston Logan Intl-SOF Sofia

27h 55m1 stop Istanbul

9:10 pm - 7:55 pmSOF Sofia-BOS Boston Logan Intl

29h 45m1 stop Istanbul

$765Turkish Airlines

Sun, Oct 4 - Tue, Oct 20

3:59 pm - 7:20 pmORD Chicago O'Hare Intl-SOF Sofia

19h 21m2 stops New York John F Kennedy Intl London Heathrow

8:30 pm - 6:45 pmSOF Sofia-ORD Chicago O'Hare Intl

30h 15m1 stop London Heathrow

$767British Airways

Sun, Oct 4 - Fri, Feb 26

3:59 pm - 7:20 pmORD Chicago O'Hare Intl-SOF Sofia

19h 21m2 stops New York John F Kennedy Intl London Heathrow

8:30 pm - 4:49 pmSOF Sofia-ORD Chicago O'Hare Intl

28h 19m2 stops London Heathrow New York John F Kennedy Intl

$771British Airways

Sun, Oct 4 - Fri, Feb 26

12:30 am - 3:45 pmJFK New York John F Kennedy Intl-SOF Sofia

32h 15m2 stops Rome Fiumicino Palermo Punta Raisi

6:55 pm - 10:30 pmSOF Sofia-JFK New York John F Kennedy Intl

34h 35m1 stop Rome Fiumicino

$777Multiple Airlines

Tue, Sep 29 - Fri, Oct 9

5:40 pm - 6:00 pmJFK New York John F Kennedy Intl-SOF Sofia

17h 20m1 stop Warsaw Frederic Chopin

2:35 pm - 9:35 pmSOF Sofia-JFK New York John F Kennedy Intl

13h 00m1 stop Warsaw Frederic Chopin

$781LOT

Tue, Sep 29 - Tue, Oct 27

5:40 pm - 6:10 pmEWR Newark-SOF Sofia

17h 30m1 stop Vienna Intl

8:00 am - 1:55 pmSOF Sofia-EWR Newark

12h 55m1 stop Vienna Intl

$800Austrian Airlines

Wed, Sep 30 - Fri, Oct 9

9:45 pm - 3:20 pmJFK New York John F Kennedy Intl-SOF Sofia

10h 35m1 stop Vienna Intl

12:25 pm - 8:05 pmSOF Sofia-JFK New York John F Kennedy Intl

14h 40m1 stop Vienna Intl

$807Austrian Airlines

Wed, Sep 30 - Fri, Oct 9

4:10 pm - 1:50 pmSFO San Francisco-SOF Sofia

35h 40m1 stop Warsaw Frederic Chopin

6:45 pm - 2:15 pmSOF Sofia-SFO San Francisco

29h 30m1 stop Warsaw Frederic Chopin

$868LOT

Sun, Oct 4 - Wed, Oct 21

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Austrian Airlines flights from United States to Bulgaria

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

Austrian Airlines

Dec 1

IAD6:10 pmWashington, D.C. Dulles Intl

22h 45m

1 stop

SOF11:55 pmSofia

Dec 8

SOF7:55 amSofia

13h 15m

1 stop

IAD2:10 pmWashington, D.C. Dulles Intl

$606

Austrian Airlines

Feb 24

IAD6:10 pmWashington, D.C. Dulles Intl

16h 50m

1 stop

SOF6:00 pmSofia

Mar 10

SOF7:55 amSofia

13h 15m

1 stop

IAD2:10 pmWashington, D.C. Dulles Intl

$611

Austrian Airlines

Mar 23

IAD5:15 pmWashington, D.C. Dulles Intl

12h 35m

2 stops

SOF11:50 amSofia

Apr 6

SOF8:00 amSofia

13h 00m

1 stop

IAD2:00 pmWashington, D.C. Dulles Intl

$615

LOT flights from United States to Bulgaria

Our best LOT deals on United States to Bulgaria flight tickets

LOT

Jan 12

EWR10:35 pmNewark

12h 20m

1 stop

SOF5:55 pmSofia

Jan 20

SOF6:40 pmSofia

32h 45m

1 stop

EWR8:25 pmNewark

$667

LOT

Jan 13

EWR11:10 pmNewark

31h 40m

1 stop

SOF1:50 pmSofia

Jan 20

SOF6:40 pmSofia

32h 45m

1 stop

EWR8:25 pmNewark

$676

LOT

Mar 3

LAX10:10 pmLos Angeles

33h 45m

1 stop

SOF5:55 pmSofia

Mar 10

SOF2:35 pmSofia

15h 35m

1 stop

LAX8:10 pmLos Angeles

$690

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

Los AngelesSofia

LAX Los Angeles - SOF Sofia

LAXSOF

Los Angeles

Mon 10/26

9:50 pm-8:10 pm

1 stop37h 20m

Sofia

Mon 11/9

5:15 pm-3:50 pm

1 stop32h 35m

$589

Washington, D.C.Sofia

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

IADSOF

Washington, D.C. Dulles Intl

Mon 11/23

5:50 pm-5:00 pm

1 stop16h 10m

Sofia

Thu 12/3

5:40 am-4:20 pm

1 stop17h 40m

$595

San FranciscoSofia

SFO San Francisco - SOF Sofia

SFOSOF

San Francisco

Wed 1/27

8:35 pm-7:20 pm

1 stop36h 45m

Sofia

Mon 2/8

5:15 pm-2:55 pm

1 stop31h 40m

$608

Washington, D.C.Sofia

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

IADSOF

Washington, D.C. Dulles Intl

Tue 3/23

7:10 pm-11:55 pm

1 stop22h 45m

Sofia

Tue 4/6

8:00 am-2:00 pm

1 stop13h 00m

$611

Quickest round-trip

Washington, D.C.Sofia

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

IADSOF

Washington, D.C. Dulles Intl

Wed 2/24

6:10 pm-6:00 pm

1 stop16h 50m

Sofia

Wed 3/10

7:55 am-2:10 pm

1 stop13h 15m

$611

NewarkSofia

EWR Newark - SOF Sofia

EWRSOF

Newark

Mon 11/9

12:45 am-1:25 pm

2 stops29h 40m

Sofia

Mon 11/23

6:00 am-10:10 pm

2 stops23h 10m

$611

Los AngelesSofia

LAX Los Angeles - SOF Sofia

LAXSOF

Los Angeles

Tue 3/23

6:30 pm-6:20 pm

1 stop14h 50m

Sofia

Tue 4/6

6:10 am-3:15 pm

1 stop19h 05m

$613

Los AngelesSofia

LAX Los Angeles - SOF Sofia

LAXSOF

Los Angeles

Wed 2/24

5:30 pm-10:55 pm

1 stop19h 25m

Sofia

Wed 3/10

6:00 am-3:15 pm

1 stop19h 15m

$613

San FranciscoSofia

SFO San Francisco - SOF Sofia

SFOSOF

San Francisco

Mon 1/25

7:25 pm-1:15 pm

2 stops31h 50m

Sofia

Mon 2/8

3:00 pm-4:30 pm

1 stop35h 30m

$623

TampaSofia

TPA Tampa - SOF Sofia

TPASOF

Tampa

Fri 12/25

7:50 pm-10:30 am

1 stop31h 40m

Sofia

Mon 1/4

3:00 pm-4:35 pm

2 stops56h 35m

$797

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 $619.

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 $724 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 41% 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	$227
Fastest flight time	10h 40m
Direct flights	None

The best one-way flight to Bulgaria from United States in the past 72 hours is $227. The best round-trip flight deal from United States to Bulgaria found on momondo in the last 72 hours is $589.

The fastest flight from United States to Bulgaria takes 10h 40m

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 September 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 2,083 reviews	Search SWISS flights
Austrian Airlines	PriceFrom $356	Free Cancellation	Rating 7.5 973 reviews	Search Austrian Airlines flights
Turkish Airlines	PriceFrom $391	Free Cancellation	Rating 7.4 4,454 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $394	Free Cancellation	Rating 7.4 10,247 reviews	Search United Airlines flights
Air France	PriceFrom $394	Free Cancellation	Rating 7.5 1,651 reviews	Search Air France flights
KLM	PriceFrom $403	Free Cancellation	Rating 7.8 1,577 reviews	Search KLM flights
LOT	PriceFrom $413	Free Cancellation	Rating 7.6 1,198 reviews	Search LOT flights
Lufthansa	PriceFrom $415	Free Cancellation	Rating 6.8 8,245 reviews	Search Lufthansa flights
British Airways	PriceFrom $421	Free Cancellation	Rating 6.7 8,238 reviews	Search British Airways flights
JetBlue	PriceFrom $478	Free Cancellation	Rating 7.1 3,038 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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Find better results for your trip to Bulgaria

Popular cities

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Complete your trip

Feeling lucky

Popular cities in Bulgaria

Flights to Sofiafrom $585

Flights to Varnafrom $679

Flights to Burgasfrom $921

Flights to Plovdivfrom $742

Cheap flights from the United States to Bulgaria from $227

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 10/18. 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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Austrian Airlines flights from United States to Bulgaria

Our best Austrian 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