Pennsylvania

$304+ 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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — PHL
Jan 17 — Jan 241
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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 December 18, 2025.

This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 amSOF - IAD
1 stop16h 05mMultiple Airlines
Wed 1/286:50 pmIAD - SOF
1 stop12h 15mMultiple Airlines
Deal found 12/17$634
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:00 amSOF - IAD
1 stop19h 30mAir France
Tue 1/136:50 pmIAD - SOF
1 stop12h 05mAir France
Deal found 12/15$639
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:10 amSOF - IAD
1 stop16h 25mAir France
Thu 1/226:50 pmIAD - SOF
1 stop12h 05mAir France
Deal found 12/16$640
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/197:00 amSOF - DCA
2 stops18h 40mMultiple Airlines
Tue 1/131:40 pmDCA - SOF
2 stops17h 15mMultiple Airlines
Deal found 12/16$642
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:00 amSOF - IAD
2 stops16h 23mMultiple Airlines
Tue 1/276:50 pmIAD - SOF
1 stop12h 05mMultiple Airlines
Deal found 12/17$644
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:00 amSOF - IAD
1 stop19h 30mMultiple Airlines
Thu 1/156:05 pmIAD - SOF
1 stop13h 00mMultiple Airlines
Deal found 12/15$645
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 amSOF - DCA
2 stops18h 21mMultiple Airlines
Tue 1/201:40 pmDCA - SOF
2 stops17h 15mMultiple Airlines
Deal found 12/16$648
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 amSOF - DCA
2 stops18h 21mMultiple Airlines
Wed 1/281:40 pmDCA - SOF
2 stops17h 25mMultiple Airlines
Deal found 12/17$649
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:10 amSOF - IAD
1 stop16h 25mMultiple Airlines
Thu 1/222:15 pmIAD - SOF
2 stops16h 50mMultiple Airlines
Deal found 12/16$650
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:00 amSOF - IAD
2 stops16h 23mKLM
Wed 1/282:15 pmIAD - SOF
2 stops16h 50mKLM
Deal found 12/17$654
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 amSOF - DCA
2 stops18h 13mKLM
Fri 1/232:35 pmDCA - SOF
2 stops16h 30mKLM
Deal found 12/17$654
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:00 amSOF - IAD
1 stop16h 35mAir France
Wed 3/117:50 pmIAD - SOF
1 stop12h 15mAir France
Deal found 12/16$664

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 December 18, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$540
(Mytrip)

One-way from

$304
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$744
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. 8% potential increase in price ($63 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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 December 18, 2025.
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

SofiaNewark

SOF - EWR

SOFEWR

Sofia

Thu 1/15

3:15 pm-3:40 pm

2 stops31h 25m

Newark

Wed 1/28

5:30 pm-11:30 pm

2 stops23h 00m

$540

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 1/29

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Thu 2/5

6:50 pm-1:55 pm

1 stop12h 05m

$545

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sat 1/31

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Sat 2/7

6:50 pm-1:55 pm

1 stop12h 05m

$546

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 1/20

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Tue 3/3

6:50 pm-1:55 pm

1 stop12h 05m

$546

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

6:10 pm-2:00 pm

1 stop12h 50m

$549

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 2/9

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Sun 2/22

2:15 pm-2:05 pm

2 stops16h 50m

$555

SofiaWashington, D.C.

SOF - DCA

SOFDCA

Sofia

Sat 1/31

7:00 am-4:29 pm

2 stops16h 29m

Washington, D.C. Reagan-National

Sat 2/7

1:04 pm-2:05 pm

2 stops18h 01m

$566

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 2/25

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Wed 6/3

12:30 pm-2:00 pm

2 stops18h 30m

$567

SofiaNewark

SOF - EWR

SOFEWR

Sofia

Sat 1/31

10:45 am-1:25 pm

3 stops33h 40m

Newark

Sat 2/7

6:30 pm-8:35 am

3 stops31h 05m

$614

VarnaNewark

VAR - EWR

VAREWR

Varna

Wed 2/18

10:00 am-10:30 pm

1 stop19h 30m

Newark

Fri 2/20

12:25 am-8:35 pm

1 stop13h 10m

$651

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 60 results
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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

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

Find hourly flight availability from Bulgaria to Pennsylvania. 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.

Unlike in the morning, when flights are generally more expensive, you can save up to 20% on flights from Bulgaria to Pennsylvania by exploring options for tickets in the afternoon.

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 December 18, 2025.
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.

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

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 15h 35m. KLM provides one of the quickest options available for as low as $549. Airlines will cover a distance of 4931 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

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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$593Average$723FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$636Average$791FlexibilityNo cancel feeOn-time76%

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