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Bulgaria

$198+ Cheap flights from the United States to Bulgaria

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOF
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from USA to Bulgaria

Keep the following information in mind while searching for USA to Bulgaria flight deals. Data was last updated September 15, 2025.

Round-trip from

$351
(Kiwi.com)

One-way from

$198
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$597
From USA to Bulgaria
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One-way flight from USA to Bulgaria
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Highest demand for flights based on searches. 5% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from USA to Bulgaria

Cheapest flights from USA to Bulgaria
Explore the most affordable flight options available from USA to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/38:40 pmBOS - SOF
1 stop14h 40mMultiple Airlines
Mon 11/176:45 pmSOF - BOS
1 stop26h 20mMultiple Airlines
Deal found 9/14$351
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:25 pmBOS - SOF
1 stop10h 25mMultiple Airlines
Tue 11/182:00 pmSOF - BOS
1 stop11h 35mMultiple Airlines
Deal found 9/15$356
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/59:50 pmBOS - SOF
1 stop10h 25mMultiple Airlines
Wed 11/196:05 amSOF - BOS
1 stop19h 30mMultiple Airlines
Deal found 9/13$358
This Air France deal was found by Cheapflights users on 9/14. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/195:20 pmBOS - SOF
1 stop13h 40mAir France
Tue 11/47:10 amSOF - BOS
1 stop13h 30mAir France
Deal found 9/14$366
This Air France deal was found by Cheapflights users on 9/13. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:30 pmBOS - SOF
2 stops15h 35mAir France
Wed 11/197:00 amSOF - BOS
1 stop13h 40mAir France
Deal found 9/13$370
This Air France deal was found by Cheapflights users on 9/15. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:30 pmBOS - SOF
1 stop12h 25mAir France
Tue 11/187:10 amSOF - BOS
2 stops18h 46mAir France
Deal found 9/15$376
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/155:10 pmBOS - SOF
1 stop18h 00mMultiple Airlines
Wed 10/292:00 pmSOF - BOS
1 stop11h 35mMultiple Airlines
Deal found 9/14$381
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:25 pmBOS - SOF
1 stop10h 25mMultiple Airlines
Fri 11/212:00 pmSOF - BOS
1 stop11h 35mMultiple Airlines
Deal found 9/15$383
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/135:05 pmBOS - SOF
1 stop12h 25mMultiple Airlines
Mon 10/276:45 pmSOF - BOS
1 stop26h 20mMultiple Airlines
Deal found 9/13$384
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1912:15 pmBOS - SOF
2 stops16h 45mMultiple Airlines
Tue 11/42:00 pmSOF - BOS
2 stops37h 20mMultiple Airlines
Deal found 9/14$390
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:15 amLGA - SOF
2 stops24h 10mAir Canada
Mon 11/171:55 pmSOF - LGA
2 stops39h 38mAir Canada
Deal found 9/14$439
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/59:00 amJFK - SOF
2 stops31h 00mMultiple Airlines
Wed 10/1510:50 amSOF - JFK
1 stop33h 00mMultiple Airlines
Deal found 9/14$439

Cheapflights Fare Finder

 
Customize your flight search to find flights from USA 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 September 15, 2025.
Use the filters below to find and compare flights from the United States to Bulgaria that are best for you.

Fly from

USA

Fly to

Bulgaria

Route

Depart

Return

Price

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 2/10

1:10 pm-1:55 pm

2 stops17h 45m

Sofia

Tue 2/24

7:10 am-1:40 pm

1 stop13h 30m

$370

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 2/11

7:10 pm-2:05 pm

1 stop11h 55m

Sofia

Wed 2/25

7:00 am-4:20 pm

1 stop16h 20m

$379

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 2/10

1:10 pm-1:55 pm

2 stops17h 45m

Sofia

Tue 2/24

7:00 am-6:23 pm

2 stops18h 23m

$382

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 1/14

1:10 pm-2:05 pm

2 stops17h 55m

Sofia

Wed 1/28

7:00 am-5:50 pm

2 stops17h 50m

$382

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Fri 11/7

6:25 pm-11:50 am

1 stop10h 25m

Sofia

Fri 11/21

2:00 pm-6:35 pm

1 stop11h 35m

$383

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 1/13

8:40 pm-10:45 pm

1 stop19h 05m

Sofia

Tue 1/27

2:00 pm-6:35 pm

1 stop11h 35m

$395

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 2/10

8:40 pm-6:20 pm

1 stop14h 40m

Sofia

Tue 2/24

2:00 pm-6:35 pm

1 stop11h 35m

$395

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 1/13

8:40 pm-6:20 pm

1 stop14h 40m

Sofia

Tue 1/27

2:00 pm-6:35 pm

1 stop11h 35m

$395

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 2/11

9:30 am-10:45 pm

2 stops30h 15m

Sofia

Wed 2/25

2:00 pm-6:35 pm

1 stop11h 35m

$400

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Sun 1/11

5:30 pm-6:20 pm

1 stop17h 50m

Sofia

Sun 1/25

2:00 pm-4:40 pm

2 stops33h 40m

$439

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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Best time to book a flight from USA to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from USA 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 the United States to Bulgaria

What is the cheapest month to book a flight from USA to Bulgaria?

Currently, November is the cheapest month in which you can book a flight from USA to Bulgaria (average of $632). Flying from USA to Bulgaria in June is currently the most expensive (average of $1,185). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from US to BG?

Find hourly flight availability from USA to Bulgaria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from USA to Bulgaria as you normally would.

Reviews of airlines servicing Bulgaria

Get insights into the airlines that provide service to Bulgaria. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bulgaria. Reviews last updated September 15, 2025.
See what other customers who have flown with LOT, Austrian Airlines, and United Airlines from the United States to Bulgaria have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.6
Good
1,114 reviews

Entertainment

7.0

Food

7.2

Overall

7.6

Comfort

7.5

Boarding

7.6

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
LOT
7.6
Good
1,114 reviews
LOT
7.6
Good
1,114 reviews

Entertainment

7.0

Food

7.2

Overall

7.6

Comfort

7.5

Boarding

7.6

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
Austrian Airlines
7.6
Good
850 reviews
LOT
7.6
Good
1,114 reviews

Entertainment

7.0

Food

7.2

Overall

7.6

Comfort

7.5

Boarding

7.6

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
United Airlines
7.4
Good
8,929 reviews
LOT
7.6
Good
1,114 reviews

Entertainment

7.0

Food

7.2

Overall

7.6

Comfort

7.5

Boarding

7.6

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
Turkish Airlines
7.3
Good
3,968 reviews
LOT
7.6
Good
1,114 reviews

Entertainment

7.0

Food

7.2

Overall

7.6

Comfort

7.5

Boarding

7.6

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
Lufthansa
6.8
Okay
7,409 reviews
LOT
7.6
Good
1,114 reviews

Entertainment

7.0

Food

7.2

Overall

7.6

Comfort

7.5

Boarding

7.6

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again

Related info for your journey

Find useful and relevant information for your journey from USA 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 USA to Bulgaria?

    Departing from USA to Bulgaria will take you 17h 45m. The distance between USA and Bulgaria is about 4521 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from USA to Bulgaria one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $329. Air Serbia flights start at $360 while deals on United Airlines start at $401 one-way.

  • Can I find deals for flights from USA to Bulgaria that include hotel bookings?

    Yes. In addition to deals on USA to Bulgaria flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from USA to Bulgaria?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to Bulgaria.

  • Can I find deals for business class flights from USA to Bulgaria?

    Yes. Cheapflights offers flight deals from USA 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.

  • What is the cheapest month to book a flight from USA to Bulgaria?

    Currently, November is the cheapest month in which you can book a flight from USA to Bulgaria (average of $632). Flying from USA to Bulgaria in June is currently the most expensive (average of $1,185). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for USA to Bulgaria

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from USA to Bulgaria

Discover the top 10 airlines that operate flights from USA to Bulgaria. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$401Average$927FlexibilityNo cancel feeOn-time79%
Air FranceCheapest$416Average$788FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$428Average$865FlexibilityNo cancel feeOn-time69%
KLMCheapest$430Average$835FlexibilityNo cancel feeOn-time75%
LOTCheapest$437Average$897FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$471Average$976FlexibilityNo cancel feeOn-time76%
Austrian AirlinesCheapest$471Average$882FlexibilityNo cancel feeOn-time78%
Turkish AirlinesCheapest$483Average$955FlexibilityNo cancel feeOn-time77%
ITA AirwaysCheapest$505Average$1,061FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$510Average$828FlexibilityNo cancel feeOn-time70%

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