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 10m on average. Another popular route from United States to Bulgaria is flying from Miami to Sofia, which will take roughly 12h 35m. 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 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.

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

British Airways, Lufthansa, and United Airlines 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.

$212 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.

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

37h 20m1 stop London Heathrow

5:15 pm - 1:25 pmSOF Sofia-LAX Los Angeles

30h 10m1 stop London Heathrow

$589British Airways

Mon, Nov 30 - Mon, Dec 7

3:45 pm - 7:20 pmLAX Los Angeles-SOF Sofia

17h 35m1 stop London Heathrow

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

32h 35m1 stop London Heathrow

$589British Airways

Sun, Oct 18 - Mon, Nov 2

4:00 pm - 1:05 amIAD Washington, D.C. Dulles Intl-SOF Sofia

26h 05m2 stops Toronto Pearson Intl Madrid Barajas

5:25 pm - 7:25 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

33h 00m2 stops Madrid Barajas Munich Franz Josef Strauss

$596Multiple Airlines

Mon, Oct 5 - Mon, Oct 19

8:35 pm - 8:10 pmSFO San Francisco-SOF Sofia

37h 35m1 stop London Heathrow

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

31h 40m1 stop London Heathrow

$605Multiple Airlines

Mon, Nov 2 - Mon, Nov 16

6:10 pm - 11:55 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

22h 45m1 stop Vienna Intl

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

13h 15m1 stop Vienna Intl

$606Austrian Airlines

Tue, Dec 1 - Tue, Dec 8

6:00 pm - 11:50 amIAD Washington, D.C. Dulles Intl-SOF Sofia

10h 50m1 stop Vienna Intl

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

13h 15m1 stop Vienna Intl

$607Austrian Airlines

Tue, Nov 3 - Tue, Nov 17

5:30 pm - 6:20 pmLAX Los Angeles-SOF Sofia

14h 50m1 stop Munich Franz Josef Strauss

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

19h 15m1 stop Munich Franz Josef Strauss

$608Lufthansa

Tue, Nov 3 - Thu, Dec 10

5:30 pm - 6:20 pmLAX Los Angeles-SOF Sofia

14h 50m1 stop Munich Franz Josef Strauss

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

19h 15m1 stop Munich Franz Josef Strauss

$608Lufthansa

Tue, Nov 3 - Tue, Nov 10

1:15 pm - 1:15 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

17h 00m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

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

13h 15m1 stop Vienna Intl

$622United Airlines

Tue, Nov 3 - Tue, Nov 17

3:37 pm - 1:15 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

15h 38m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

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

13h 15m1 stop Vienna Intl

$622United Airlines

Tue, Oct 27 - Tue, Nov 3

Recent last minute flight deals from the United States to Bulgaria

Enter your travel dates to find the best prices.

10:25 pm - 7:20 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

13h 55m1 stop London Heathrow

9:25 pm - 3:55 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

25h 30m1 stop London Heathrow

$650British Airways

Sun, Sep 20 - Wed, Oct 7

10:25 pm - 1:25 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

32h 00m1 stop London Heathrow

9:25 pm - 5:25 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

27h 00m1 stop London Heathrow

$650British Airways

Wed, Sep 23 - Wed, Oct 7

12:25 pm - 12:15 pmDFW Dallas/Fort Worth-SOF Sofia

39h 50m2 stops Montreal Pierre Elliott Trudeau Intl Zurich

6:30 am - 9:34 pmSOF Sofia-DFW Dallas/Fort Worth

23h 04m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

$696Multiple Airlines

Sun, Sep 20 - Thu, Oct 8

4:00 pm - 11:00 pmDFW Dallas/Fort Worth-SOF Sofia

23h 00m1 stop Frankfurt am Main

6:10 am - 4:57 pmSOF Sofia-DFW Dallas/Fort Worth

18h 47m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$702Lufthansa

Sun, Sep 20 - Wed, Oct 7

11:50 am - 2:55 pmDFW Dallas/Fort Worth-SOF Sofia

43h 05m2 stops Chicago O'Hare Intl Zurich

1:05 pm - 6:19 pmSOF Sofia-DFW Dallas/Fort Worth

37h 14m2 stops Zurich Chicago O'Hare Intl

$702SWISS

Sat, Sep 19 - Tue, Oct 6

4:00 pm - 11:00 pmDFW Dallas/Fort Worth-SOF Sofia

23h 00m1 stop Frankfurt am Main

6:10 am - 1:35 pmSOF Sofia-DFW Dallas/Fort Worth

15h 25m1 stop Frankfurt am Main

$705Lufthansa

Sun, Sep 20 - Tue, Oct 6

5:20 pm - 11:40 amDFW Dallas/Fort Worth-SOF Sofia

34h 20m2 stops Washington, D.C. Dulles Intl Vienna Intl

6:10 am - 10:28 pmSOF Sofia-DFW Dallas/Fort Worth

24h 18m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$705United Airlines

Sat, Sep 19 - Wed, Oct 7

5:20 pm - 11:40 amDFW Dallas/Fort Worth-SOF Sofia

34h 20m2 stops Washington, D.C. Dulles Intl Vienna Intl

6:10 am - 1:35 pmSOF Sofia-DFW Dallas/Fort Worth

15h 25m1 stop Frankfurt am Main

$709United Airlines

Sat, Sep 19 - Tue, Oct 6

12:25 pm - 12:15 pmDFW Dallas/Fort Worth-SOF Sofia

39h 50m2 stops Montreal Pierre Elliott Trudeau Intl Zurich

6:20 am - 9:34 pmSOF Sofia-DFW Dallas/Fort Worth

23h 14m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

$729Multiple Airlines

Sun, Sep 20 - Wed, Oct 7

8:30 pm - 10:20 amJFK New York John F Kennedy Intl-SOF Sofia

30h 50m1 stop Zurich

3:00 pm - 5:40 pmSOF Sofia-JFK New York John F Kennedy Intl

32h 40m1 stop Zurich

$828SWISS

Mon, Sep 21 - Mon, Oct 26

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United Airlines flights from United States to Bulgaria

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

United Airlines

Oct 27

IAD3:37 pmWashington, D.C. Dulles Intl

15h 38m

2 stops

SOF1:15 pmSofia

Nov 3

SOF7:55 amSofia

13h 15m

1 stop

IAD2:10 pmWashington, D.C. Dulles Intl

$622

United Airlines

Nov 2

LAX4:17 pmLos Angeles

20h 38m

2 stops

SOF10:55 pmSofia

Dec 8

SOF6:00 amSofia

19h 15m

1 stop

LAX3:15 pmLos Angeles

$624

United Airlines

Nov 2

LAX2:29 pmLos Angeles

22h 26m

2 stops

SOF10:55 pmSofia

Nov 10

SOF6:00 amSofia

19h 15m

1 stop

LAX3:15 pmLos Angeles

$625

LOT flights from United States to Bulgaria

Our best LOT deals on United States to Bulgaria flight tickets

LOT

Oct 15

EWR10:50 pmNewark

12h 10m

1 stop

SOF6:00 pmSofia

Nov 11

SOF2:35 pmSofia

13h 25m

1 stop

EWR9:00 pmNewark

$639

LOT

Feb 16

EWR10:35 pmNewark

32h 15m

1 stop

SOF1:50 pmSofia

Mar 2

SOF2:35 pmSofia

12h 50m

1 stop

EWR8:25 pmNewark

$654

LOT

Nov 19

EWR10:35 pmNewark

12h 20m

1 stop

SOF5:55 pmSofia

Nov 26

SOF2:35 pmSofia

12h 50m

1 stop

EWR8:25 pmNewark

$665

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 11/30

8:50 pm-8:10 pm

1 stop37h 20m

Sofia

Mon 12/7

5:15 pm-1:25 pm

1 stop30h 10m

$589

Los AngelesSofia

LAX Los Angeles - SOF Sofia

LAXSOF

Los Angeles

Sun 10/18

3:45 pm-7:20 pm

1 stop17h 35m

Sofia

Mon 11/2

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 10/5

4:00 pm-1:05 am

2 stops26h 05m

Sofia

Mon 10/19

5:25 pm-7:25 pm

2 stops33h 00m

$596

San FranciscoSofia

SFO San Francisco - SOF Sofia

SFOSOF

San Francisco

Mon 11/2

8:35 pm-8:10 pm

1 stop37h 35m

Sofia

Mon 11/16

5:15 pm-2:55 pm

1 stop31h 40m

$605

Washington, D.C.Sofia

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

IADSOF

Washington, D.C. Dulles Intl

Tue 12/1

6:10 pm-11:55 pm

1 stop22h 45m

Sofia

Tue 12/8

7:55 am-2:10 pm

1 stop13h 15m

$606

Quickest round-trip

Washington, D.C.Sofia

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

IADSOF

Washington, D.C. Dulles Intl

Tue 11/3

6:00 pm-11:50 am

1 stop10h 50m

Sofia

Tue 11/17

7:55 am-2:10 pm

1 stop13h 15m

$607

Los AngelesSofia

LAX Los Angeles - SOF Sofia

LAXSOF

Los Angeles

Tue 11/3

5:30 pm-6:20 pm

1 stop14h 50m

Sofia

Thu 12/10

6:00 am-3:15 pm

1 stop19h 15m

$608

Los AngelesSofia

LAX Los Angeles - SOF Sofia

LAXSOF

Los Angeles

Tue 11/3

5:30 pm-6:20 pm

1 stop14h 50m

Sofia

Tue 11/10

6:00 am-3:15 pm

1 stop19h 15m

$608

Washington, D.C.Sofia

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

IADSOF

Washington, D.C. Dulles Intl

Tue 11/3

1:15 pm-1:15 pm

2 stops17h 00m

Sofia

Tue 11/17

7:55 am-2:10 pm

1 stop13h 15m

$622

Washington, D.C.Sofia

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

IADSOF

Washington, D.C. Dulles Intl

Tue 10/27

3:37 pm-1:15 pm

2 stops15h 38m

Sofia

Tue 11/3

7:55 am-2:10 pm

1 stop13h 15m

$622

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 $616.

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 $719 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	$212
Fastest flight time	9h 55m
Direct flights	None

The best one-way flight to Bulgaria from United States in the past 72 hours is $212. 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 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 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 2,074 reviews	Search SWISS flights
Austrian Airlines	PriceFrom $356	Free Cancellation	Rating 7.5 960 reviews	Search Austrian Airlines flights
Turkish Airlines	PriceFrom $391	Free Cancellation	Rating 7.4 4,464 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $392	Free Cancellation	Rating 7.4 10,213 reviews	Search United Airlines flights
Air France	PriceFrom $394	Free Cancellation	Rating 7.5 1,650 reviews	Search Air France flights
KLM	PriceFrom $403	Free Cancellation	Rating 7.8 1,578 reviews	Search KLM flights
LOT	PriceFrom $413	Free Cancellation	Rating 7.6 1,197 reviews	Search LOT flights
Lufthansa	PriceFrom $415	Free Cancellation	Rating 6.8 8,229 reviews	Search Lufthansa flights
British Airways	PriceFrom $421	Free Cancellation	Rating 6.7 8,228 reviews	Search British Airways flights
JetBlue	PriceFrom $478	Free Cancellation	Rating 7.1 3,035 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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Popular cities

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Complete your trip

Feeling lucky

Popular cities in Bulgaria

Flights to Sofiafrom $481

Flights to Varnafrom $672

Flights to Burgasfrom $894

Flights to Plovdivfrom $912

Cheap flights from the United States to Bulgaria from $212

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 10/13. 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

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Filter for what you want

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United Airlines flights from United States to Bulgaria

Our best United 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