HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bulgaria

$215+ Cheap flights from Pennsylvania 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SOF
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pennsylvania to Bulgaria with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Pennsylvania to Bulgaria

Cheapest flights from Pennsylvania to Bulgaria
Explore the most affordable flight options available from Pennsylvania to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This FlightHub deal was found by Cheapflights users on 12/17. 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 12/295:00 pmEWR - VAR
2 stops39h 15mMultiple Airlines
Fri 1/164:00 pmVAR - EWR
1 stop28h 55mMultiple Airlines
Deal found 12/17$553
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:40 pmEWR - VAR
2 stops13h 35mAustrian Airlines
Fri 1/164:00 pmVAR - EWR
2 stops31h 15mAustrian Airlines
Deal found 12/17$607
This FlightHub deal was found by Cheapflights users on 12/17. 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 12/295:30 pmJFK - VAR
2 stops38h 45mMultiple Airlines
Fri 1/164:00 pmVAR - JFK
1 stop29h 15mMultiple Airlines
Deal found 12/17$643
This FlightHub deal was found by Cheapflights users on 12/17. 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 12/295:30 pmJFK - VAR
2 stops38h 45mLufthansa
Fri 1/164:00 pmVAR - JFK
2 stops30h 40mLufthansa
Deal found 12/17$668
This CrystalTravel deal was found by Cheapflights users on 12/16. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 pmIAD - SOF
1 stop12h 45mMultiple Airlines
Sun 1/116:45 pmSOF - IAD
2 stops27h 50mMultiple Airlines
Deal found 12/16$703
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/284:30 pmEWR - SOF
2 stops23h 15mUnited Airlines
Wed 12/317:55 amSOF - EWR
2 stops22h 20mUnited Airlines
Deal found 12/16$713
This Cheapflightsfares deal was found by Cheapflights users on 12/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:30 pmEWR - SOF
2 stops21h 25mAustrian Airlines
Thu 1/86:45 pmSOF - EWR
2 stops23h 35mAustrian Airlines
Deal found 12/15$782
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:55 pmEWR - SOF
2 stops44h 50mUnited Airlines
Wed 12/317:55 amSOF - EWR
2 stops22h 20mUnited Airlines
Deal found 12/16$808
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:45 amJFK - SOF
2 stops30h 00mUnited Airlines
Wed 12/317:55 amSOF - JFK
1 stop13h 20mUnited Airlines
Deal found 12/16$853
This FlightHub deal was found by Cheapflights users on 12/14. 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.
Thu 12/2511:53 amEWR - SOF
2 stops18h 57mMultiple Airlines
Mon 2/93:00 pmSOF - EWR
1 stop12h 30mMultiple Airlines
Deal found 12/14$860
This FlightHub deal was found by Cheapflights users on 12/14. 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.
Thu 12/2511:53 amEWR - SOF
2 stops18h 57mMultiple Airlines
Tue 2/106:45 pmSOF - EWR
1 stop26h 10mMultiple Airlines
Deal found 12/14$863
This CrystalTravel deal was found by Cheapflights users on 12/16. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:30 pmJFK - SOF
1 stop12h 30mMultiple Airlines
Wed 12/317:55 amSOF - JFK
1 stop13h 20mMultiple Airlines
Deal found 12/16$889

Find flight deals from Pennsylvania to Bulgaria

Keep the following information in mind while searching for Pennsylvania to Bulgaria flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$366
(Kiwi.com)

One-way from

$215
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$719
Provider with most accurate pricing for Philadelphia-Sofia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Sofia flights.
Search Deals
From Pennsylvania to Bulgaria
Search Deals
One-way flight from Pennsylvania to Bulgaria
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($237 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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 December 18, 2025.
Use the filters below to find and compare flights from Pennsylvania to Bulgaria that are best for you.

Fly from

Pennsylvania

Fly to

Bulgaria

Route

Depart

Return

Price

NewarkSofia

EWR - SOF

EWRSOF

Newark

Mon 1/12

5:55 pm-6:00 pm

1 stop17h 05m

Sofia

Mon 1/19

6:45 pm-1:55 pm

1 stop26h 10m

$366

NewarkSofia

EWR - SOF

EWRSOF

Newark

Wed 1/14

6:05 pm-1:50 pm

1 stop12h 45m

Sofia

Fri 1/23

7:55 am-2:15 pm

1 stop13h 20m

$373

NewarkSofia

EWR - SOF

EWRSOF

Newark

Wed 1/14

11:10 pm-5:50 pm

1 stop11h 40m

Sofia

Wed 1/21

2:35 pm-9:00 pm

1 stop13h 25m

$386

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sun 1/11

5:00 pm-1:00 pm

1 stop13h 00m

Sofia

Mon 1/26

6:45 pm-1:55 pm

1 stop26h 10m

$390

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sun 1/11

5:00 pm-1:00 pm

1 stop13h 00m

Sofia

Wed 1/21

7:55 am-1:55 pm

1 stop13h 00m

$394

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sun 1/11

5:00 pm-1:00 pm

1 stop13h 00m

Sofia

Tue 1/20

2:00 pm-7:05 pm

1 stop12h 05m

$396

NewarkSofia

EWR - SOF

EWRSOF

Newark

Mon 1/12

7:55 pm-10:45 pm

2 stops19h 50m

Sofia

Mon 1/19

6:45 pm-1:55 pm

1 stop26h 10m

$408

NewarkSofia

EWR - SOF

EWRSOF

Newark

Mon 1/12

2:30 pm-1:15 pm

2 stops15h 45m

Sofia

Tue 1/20

7:55 am-1:55 pm

1 stop13h 00m

$408

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sun 4/5

7:36 am-12:05 pm

2 stops21h 29m

Sofia

Wed 5/13

6:10 am-7:39 am

2 stops32h 29m

$417

NewarkSofia

EWR - SOF

EWRSOF

Newark

Mon 4/13

4:56 pm-11:10 pm

2 stops23h 14m

Sofia

Wed 5/13

6:10 am-8:08 am

2 stops32h 58m

$417

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Pennsylvania to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from Pennsylvania 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 Pennsylvania to Bulgaria

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

Currently, October is the cheapest month in which you can book a flight from Pennsylvania to Bulgaria (average of $476). Flying from Pennsylvania to Bulgaria in May is currently the most expensive (average of $736). 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 PA to BG?

Find hourly flight availability from Pennsylvania 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 December 18, 2025.

It’s optimal to fly from Pennsylvania to Bulgaria in the evening. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight in the morning.

Related info for your journey

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

    There are many flights that can get you from Pennsylvania to Bulgaria in 11h 40m. Fly via Austrian Airlines, LOT, or United Airlines to get the fastest option. There are 4721 mi between Pennsylvania and Bulgaria. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pennsylvania 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 Pennsylvania to Bulgaria?

    Currently, October is the cheapest month in which you can book a flight from Pennsylvania to Bulgaria (average of $476). Flying from Pennsylvania to Bulgaria in May is currently the most expensive (average of $736). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Pennsylvania to Bulgaria

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Charles de Gaulle flights
Newark to Orly flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Gatwick flights
Newark to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Istanbul flights
LaGuardia to Heathrow flights
John F Kennedy Intl to Orly flights
Newark to Gatwick flights
Boston to Heathrow flights
LaGuardia to Charles de Gaulle flights
Dulles Intl to Heathrow flights
Miami to Madrid flights
Los Angeles to Heathrow flights
John F Kennedy Intl to Madrid flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to Lisbon flights
LaGuardia to Gatwick flights
Dulles Intl to Charles de Gaulle flights
John F Kennedy Intl to Barcelona-El Prat flights
Newark to Madrid flights
Boston to Charles de Gaulle flights
Newark to Barcelona-El Prat flights
Los Angeles to Charles de Gaulle flights
San Francisco to Heathrow flights
O'Hare Intl to Heathrow flights
John F Kennedy Intl to Malpensa flights
Newark to Malpensa flights
Newark to Athens flights
Newark to Frankfurt flights
John F Kennedy Intl to Dublin flights
O'Hare Intl to Charles de Gaulle flights
Baltimore to Heathrow flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Heathrow flights
Newark to Lisbon flights
Newark to Dublin flights
John F Kennedy Intl to Amsterdam flights
John F Kennedy Intl to Athens flights
John F Kennedy Intl to Luton flights
San Francisco to Charles de Gaulle flights
Dallas/Fort Worth to Leonardo da Vinci/Fiumicino flights
Seattle to Heathrow flights
Newark to London City flights
Boston to Leonardo da Vinci/Fiumicino flights
LaGuardia to Leonardo da Vinci/Fiumicino flights

Top 4 airlines flying from Pennsylvania to Bulgaria

Discover the top 4 airlines that operate flights from Pennsylvania 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$511Average$973FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$540Average$1,045FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$627Average$716FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$802Average$1,239FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.