Pennsylvania

$279+ Cheap flights from Bulgaria to Pennsylvania

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — PHL
Mar 6 — Mar 131
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bulgaria to Pennsylvania 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 Bulgaria to Pennsylvania

Cheapest flights from Bulgaria to Pennsylvania
Explore the most affordable flight options available from Bulgaria to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This KLM deal was found by Cheapflights users on 2/4. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:00 am
SOF
-
IAD
1 stop15h 35m
Multiple Airlines
Wed 4/156:15 pm
IAD
-
SOF
1 stop12h 45m
Multiple Airlines
Deal found 2/4$467
This KLM deal was found by Cheapflights users on 2/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:00 am
SOF
-
IAD
1 stop16h 05m
Multiple Airlines
Tue 3/107:50 pm
IAD
-
SOF
1 stop12h 05m
Multiple Airlines
Deal found 2/2$472
This KLM deal was found by Cheapflights users on 2/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:00 am
SOF
-
IAD
1 stop16h 05m
KLM
Thu 3/56:05 pm
IAD
-
SOF
1 stop13h 00m
KLM
Deal found 2/3$475
This KLM deal was found by Cheapflights users on 2/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:00 am
SOF
-
IAD
1 stop16h 05m
KLM
Sun 3/81:19 pm
IAD
-
SOF
2 stops18h 46m
KLM
Deal found 2/3$479
This Air France deal was found by Cheapflights users on 2/4. 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 2/187:00 am
SOF
-
IAD
1 stop16h 35m
Multiple Airlines
Thu 2/266:05 pm
IAD
-
SOF
1 stop13h 00m
Multiple Airlines
Deal found 2/4$480
This KLM deal was found by Cheapflights users on 2/4. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:00 am
SOF
-
IAD
2 stops20h 45m
KLM
Thu 2/266:05 pm
IAD
-
SOF
1 stop13h 00m
KLM
Deal found 2/4$484
This KLM deal was found by Cheapflights users on 2/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/87:00 am
SOF
-
DCA
2 stops17h 53m
KLM
Sat 2/213:10 pm
DCA
-
SOF
2 stops15h 55m
KLM
Deal found 2/1$493
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Sun 3/15:50 am
SOF
-
JFK
1 stop17h 05m
Multiple Airlines
Sun 3/87:05 pm
JFK
-
SOF
1 stop34h 45m
Multiple Airlines
Deal found 2/1$552
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/2311:15 pm
SOF
-
JFK
2 stops44h 10m
Multiple Airlines
Tue 5/55:30 pm
JFK
-
SOF
1 stop11h 40m
Multiple Airlines
Deal found 2/3$554
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/238:15 pm
SOF
-
JFK
2 stops47h 10m
Multiple Airlines
Mon 5/45:30 pm
JFK
-
SOF
1 stop11h 40m
Multiple Airlines
Deal found 2/3$571
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/36:05 am
SOF
-
EWR
1 stop17h 10m
Multiple Airlines
Tue 3/106:45 pm
EWR
-
SOF
1 stop13h 00m
Multiple Airlines
Deal found 2/2$573
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/2412:25 pm
SOF
-
JFK
2 stops31h 00m
Multiple Airlines
Tue 5/55:30 pm
JFK
-
SOF
1 stop11h 40m
Multiple Airlines
Deal found 2/3$575

Find flight deals from Bulgaria to Pennsylvania

Keep the following information in mind while searching for Bulgaria to Pennsylvania flight deals. Data was last updated February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$468
(KLM)

One-way from

$279
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$619
Provider with most accurate pricing for Sofia-Philadelphia flight deals.
Provider most trusted by Cheapflights users for Sofia-Philadelphia flights.
From Bulgaria to Pennsylvania
One-way flight from Bulgaria to Pennsylvania
Highest demand for flights based on searches. 1% potential increase in price ($9 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bulgaria to Pennsylvania 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 February 4, 2026.
Use the filters below to find and compare flights from Bulgaria to Pennsylvania that are best for you.

Fly from

Bulgaria

Fly to

Pennsylvania

Route

Depart

Return

Price

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 4/9

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 4/15

6:15 pm-2:00 pm

1 stop12h 45m

$467

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 3/3

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Tue 3/10

7:50 pm-1:55 pm

1 stop12h 05m

$472

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sat 2/28

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Sun 3/8

7:05 pm-2:05 pm

1 stop13h 00m

$475

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 2/18

7:00 am-4:35 pm

1 stop16h 35m

Washington, D.C. Dulles Intl

Thu 2/26

6:05 pm-2:05 pm

1 stop13h 00m

$480

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 2/18

7:00 am-8:45 pm

2 stops20h 45m

Washington, D.C. Dulles Intl

Thu 2/26

6:05 pm-2:05 pm

1 stop13h 00m

$484

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 2/25

7:00 am-6:37 pm

2 stops18h 37m

Washington, D.C. Dulles Intl

Thu 3/5

6:05 pm-2:05 pm

1 stop13h 00m

$485

SofiaNew York

SOF - JFK

SOFJFK

Sofia

Fri 3/20

6:00 am-4:55 pm

1 stop16h 55m

New York John F Kennedy Intl

Mon 3/23

6:55 pm-10:40 am

2 stops33h 45m

$609

SofiaNew York

SOF - JFK

SOFJFK

Sofia

Sat 2/14

7:00 am-3:45 pm

1 stop15h 45m

New York John F Kennedy Intl

Mon 3/2

5:30 pm-2:05 pm

1 stop13h 35m

$628

SofiaNew York

SOF - JFK

SOFJFK

Sofia

Sat 3/7

2:35 pm-8:35 pm

1 stop13h 00m

New York John F Kennedy Intl

Sat 3/21

11:35 pm-5:50 pm

1 stop12h 15m

$631

SofiaNew York

SOF - JFK

SOFJFK

Sofia

Wed 3/18

7:00 am-12:25 pm

1 stop35h 25m

New York John F Kennedy Intl

Wed 3/25

5:30 pm-2:05 pm

1 stop14h 35m

$634

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

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

Best time to book a flight from Bulgaria to Pennsylvania

Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from Bulgaria 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 Bulgaria to Pennsylvania
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Pennsylvania

Get insights into the airlines that provide service to Pennsylvania. 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 Pennsylvania. Reviews last updated February 4, 2026.
Read through reviews of airlines operating flights from Bulgaria to Pennsylvania, such as United Airlines and Lufthansa. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

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

    A quick flight from Bulgaria to Pennsylvania can take about 13h. KLM provides one of the quickest options available for as low as $631. Airlines will cover a distance of 4707 mi. 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 Bulgaria to Pennsylvania that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Bulgaria to Pennsylvania by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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 Bulgaria to Pennsylvania

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Bulgaria to Pennsylvania

Discover the top 2 airlines that operate flights from Bulgaria to Pennsylvania. 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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$593Average$769FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$674Average$792FlexibilityNo cancel feeOn-time76%

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.