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Sofia

$181+ Cheap flights from Pennsylvania to Sofia (SOF)

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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SOF
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Pennsylvania to Sofia

Keep the following information in mind while searching for Pennsylvania to Sofia flight deals. Data was last updated September 17, 2025.

Round-trip from

$438
(FlightHub)

One-way from

$181
(Mytrip)

Popular in

May

Cheapest in

February

Average price

$734
From Pennsylvania to Sofia
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One-way flight from Pennsylvania to Sofia
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Highest demand for flights based on searches. 24% potential increase in price ($256 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($42 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 Pennsylvania to Sofia

Cheapest flights from Pennsylvania to Sofia
Explore the most affordable flight options available from Pennsylvania to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This CheapOair 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 CheapOair 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 9/15$439
This Air Canada 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:40 amLGA - SOF
2 stops19h 05mAir Canada
Mon 1/121:55 pmSOF - LGA
2 stops36h 08mAir Canada
Deal found 9/15$440
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.
Thu 10/95:30 pmJFK - SOF
1 stop11h 30mMultiple Airlines
Fri 10/1712:25 pmSOF - JFK
1 stop14h 40mMultiple Airlines
Deal found 9/14$440
This Air Canada 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:45 pmLGA - SOF
2 stops18h 05mAir Canada
Mon 1/121:55 pmSOF - LGA
2 stops36h 08mAir Canada
Deal found 9/15$441
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 10/73:45 pmJFK - SOF
1 stop12h 30mUnited Airlines
Fri 10/178:00 amSOF - JFK
1 stop19h 05mUnited Airlines
Deal found 9/16$441
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/245:30 pmJFK - SOF
1 stop11h 30mUnited Airlines
Fri 10/108:00 amSOF - JFK
1 stop19h 05mUnited Airlines
Deal found 9/15$442
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 10/95:30 pmJFK - SOF
1 stop11h 30mUnited Airlines
Wed 10/158:00 amSOF - JFK
1 stop19h 05mUnited Airlines
Deal found 9/16$443
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/183:55 pmJFK - SOF
2 stops37h 05mUnited Airlines
Sat 11/12:00 pmSOF - JFK
2 stops30h 05mUnited Airlines
Deal found 9/17$444
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:30 pmJFK - SOF
1 stop30h 35mMultiple Airlines
Wed 10/812:25 pmSOF - JFK
1 stop14h 40mMultiple Airlines
Deal found 9/17$445
This oojo deal was found by Cheapflights users on 9/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2112:45 amJFK - SOF
1 stop27h 55mMultiple Airlines
Mon 10/63:30 pmSOF - JFK
1 stop28h 20mMultiple Airlines
Deal found 9/16$446
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 10/78:30 pmJFK - SOF
2 stops19h 20mUnited Airlines
Wed 10/156:00 amSOF - JFK
1 stop16h 00mUnited Airlines
Deal found 9/16$447
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/911:40 amLGA - SOF
2 stops16h 35mMultiple Airlines
Wed 11/122:00 pmSOF - LGA
2 stops14h 33mMultiple Airlines
Deal found 9/16$448

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania to Sofia 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 17, 2025.
Use the filters below to find and compare flights from Pennsylvania to Sofia that are best for you.

Fly from

Pennsylvania

Fly to

Sofia

Route

Depart

Return

Price

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Sun 2/15

5:30 pm-1:10 pm

1 stop12h 40m

Sofia

Sun 3/1

6:05 am-4:40 pm

2 stops17h 35m

$440

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Tue 10/14

6:55 am-12:00 pm

2 stops22h 05m

Sofia

Mon 10/27

1:55 pm-10:39 pm

2 stops38h 44m

$441

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Thu 10/9

7:50 am-1:30 pm

1 stop22h 40m

Sofia

Mon 10/13

8:00 pm-9:00 pm

1 stop32h 00m

$447

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Thu 10/16

6:30 pm-1:30 pm

1 stop12h 00m

Sofia

Mon 10/27

5:25 pm-5:00 pm

1 stop29h 35m

$447

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Thu 10/9

11:40 am-11:15 am

2 stops16h 35m

Sofia

Wed 11/12

2:00 pm-9:33 pm

2 stops14h 33m

$448

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Mon 10/13

6:55 am-12:00 pm

2 stops22h 05m

Sofia

Mon 10/20

1:50 pm-12:50 pm

2 stops30h 00m

$452

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Wed 10/15

10:30 am-12:00 pm

2 stops18h 30m

Sofia

Wed 10/29

6:10 am-5:40 pm

2 stops17h 30m

$453

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Sat 10/18

3:55 pm-12:00 pm

2 stops37h 05m

Sofia

Thu 10/30

2:35 pm-2:05 pm

2 stops29h 30m

$453

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Mon 10/20

6:55 am-12:00 pm

2 stops22h 05m

Sofia

Thu 10/30

6:00 am-5:40 pm

2 stops41h 40m

$453

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Sat 1/17

4:50 pm-1:35 pm

2 stops37h 45m

Sofia

Sat 1/31

6:25 am-8:58 pm

2 stops21h 33m

$457

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
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Best time to book a flight from Pennsylvania to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia 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 Sofia

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

Currently, November is the cheapest month in which you can book a flight from Pennsylvania to Sofia (average of $632). Flying from Pennsylvania to Sofia in June is currently the most expensive (average of $1,183). 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 SOF?

Find hourly flight availability from Pennsylvania to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

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

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sofia from Pennsylvania?

    Most people fly into Sofia (SOF) if they book a flight to Sofia from Pennsylvania. Sofia is conveniently located just 4.2 mi from Sofia’s city center.

  • How long is the flight from Pennsylvania to Sofia?

    Airlines like United Airlines, British Airways, and Lufthansa fly from Pennsylvania to Sofia in about 12h 40m. The time it takes to get you to your destination can typically vary by up to 10h. The distance between Pennsylvania and Sofia is about 4707 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Pennsylvania to Sofia?

    While some choose either Newark - Sofia or New York LaGuardia - Sofia, New York John F Kennedy Intl - Sofia is the most popular route from Pennsylvania to Sofia.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Pennsylvania to Sofia (average of $632). Flying from Pennsylvania to Sofia in June is currently the most expensive (average of $1,183). 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 Pennsylvania to Sofia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Pennsylvania to Sofia

Discover the top 4 airlines that operate flights from Pennsylvania to Sofia. 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$582Average$825FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$626Average$716FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$646Average$1,028FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$802Average$1,239FlexibilityNo cancel feeOn-time77%

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