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$231+ 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SOF
ago. 31 — sep. 71
dom. 8/31
dom. 9/7
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 agosto 26, 2025.

Round-trip from

$443
(Kiwi.com)

One-way from

$231
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$853
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. 23% potential increase in price ($252 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 August 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 agosto 26, 2025.

This Air Canada deal was found by Cheapflights users on 8/26. 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.
mié. 10/156:55 amJFK - SOF
2 stops22h 05mMultiple Airlines
mié. 10/292:00 pmSOF - JFK
2 stops36h 58mMultiple Airlines
Deal found 8/26$444
This Mytrip deal was found by Cheapflights users on 8/26. 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.
mar. 9/169:50 pmEWR - SOF
1 stop29h 15mMultiple Airlines
mar. 9/306:20 amSOF - EWR
2 stops20h 35mMultiple Airlines
Deal found 8/26$445
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
mar. 9/164:15 pmJFK - SOF
1 stop10h 50mSWISS
mar. 9/3012:45 pmSOF - JFK
2 stops31h 05mSWISS
Deal found 8/26$445
This Air France deal was found by Cheapflights users on 8/24. 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.
lun. 9/155:00 pmEWR - SOF
1 stop14h 00mAir France
vie. 9/267:00 amSOF - EWR
1 stop15h 00mAir France
Deal found 8/24$446
This Air France deal was found by Cheapflights users on 8/26. 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.
mar. 9/165:30 pmJFK - SOF
1 stop13h 30mAir France
mar. 9/307:00 amSOF - JFK
1 stop13h 50mAir France
Deal found 8/26$446
This oojo deal was found by Cheapflights users on 8/25. 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.
lun. 9/229:50 pmEWR - SOF
1 stop29h 15mMultiple Airlines
lun. 10/136:55 pmSOF - EWR
1 stop26h 00mMultiple Airlines
Deal found 8/25$447
This Air France deal was found by Cheapflights users on 8/25. 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.
mar. 10/141:00 amJFK - SOF
1 stop30h 00mAir France
dom. 11/27:00 amSOF - JFK
1 stop19h 05mAir France
Deal found 8/25$447
This United Airlines deal was found by Cheapflights users on 8/24. 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.
vie. 11/285:55 pmEWR - SOF
1 stop10h 55mUnited Airlines
mié. 12/36:05 amSOF - EWR
1 stop20h 00mUnited Airlines
Deal found 8/24$448
This Air France deal was found by Cheapflights users on 8/26. 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.
dom. 10/511:30 pmJFK - SOF
1 stop31h 30mAir France
mié. 10/157:00 amSOF - JFK
1 stop13h 55mAir France
Deal found 8/26$448
This KLM deal was found by Cheapflights users on 8/25. 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.
mar. 9/23:40 pmEWR - SOF
2 stops15h 20mKLM
mar. 9/237:00 amSOF - EWR
2 stops19h 00mKLM
Deal found 8/25$449
This United Airlines deal was found by Cheapflights users on 8/24. 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.
vie. 11/285:30 pmJFK - SOF
1 stop12h 45mUnited Airlines
jue. 12/46:05 amSOF - JFK
2 stops23h 34mUnited Airlines
Deal found 8/24$449
This United Airlines deal was found by Cheapflights users on 8/24. 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.
lun. 12/15:15 pmEWR - SOF
1 stop13h 00mUnited Airlines
dom. 12/76:10 amSOF - EWR
2 stops15h 37mUnited Airlines
Deal found 8/24$450

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 agosto 26, 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

mié. 10/15

6:55 am-12:00 pm

2 stops22h 05m

Sofia

mié. 10/29

2:00 pm-8:58 pm

2 stops36h 58m

$444

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

mié. 11/19

10:05 am-6:20 pm

2 stops25h 15m

Sofia

vie. 11/28

6:05 am-10:39 pm

2 stops23h 34m

$444

NewarkSofia

EWR - SOF

EWRSOF

Newark

mié. 9/24

5:40 pm-11:40 am

1 stop11h 00m

Sofia

mié. 10/8

4:05 pm-1:55 pm

1 stop28h 50m

$445

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

mié. 10/15

4:30 pm-2:00 pm

1 stop14h 30m

Sofia

dom. 11/2

7:00 am-3:15 pm

1 stop14h 15m

$445

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

mar. 9/16

4:15 pm-10:05 am

1 stop10h 50m

Sofia

mar. 9/30

12:45 pm-12:50 pm

2 stops31h 05m

$445

NewarkSofia

EWR - SOF

EWRSOF

Newark

mié. 10/15

1:45 pm-12:00 pm

2 stops15h 15m

Sofia

dom. 11/2

11:00 am-8:30 pm

1 stop16h 30m

$445

NewarkSofia

EWR - SOF

EWRSOF

Newark

mar. 9/16

9:50 pm-10:05 am

1 stop29h 15m

Sofia

mar. 9/30

6:20 am-7:55 pm

2 stops20h 35m

$445

NewarkSofia

EWR - SOF

EWRSOF

Newark

vie. 10/17

10:25 am-11:00 pm

2 stops29h 35m

Sofia

vie. 10/31

6:05 am-10:25 am

2 stops34h 20m

$445

NewarkSofia

EWR - SOF

EWRSOF

Newark

mié. 10/15

5:00 pm-2:00 pm

1 stop14h 00m

Sofia

dom. 11/2

7:00 am-3:55 pm

1 stop14h 55m

$446

NewarkSofia

EWR - SOF

EWRSOF

Newark

lun. 9/15

5:00 pm-2:00 pm

1 stop14h 00m

Sofia

vie. 9/26

7:00 am-3:00 pm

1 stop15h 00m

$446

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/25

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 $1,186). 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 agosto 26, 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 Air Canada, Austrian Airlines, and Air France fly from Pennsylvania to Sofia in about 11h. The time it takes to get you to your destination can typically vary by up to 14h 15m. The distance between Pennsylvania and Sofia is about 4721 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Pennsylvania to Sofia one-way?

    For one-way options, check prices for Air Serbia. According to our data, you can fly for as low as $311. Users have also found prices from $367 and $386 on Air Canada and Turkish Airlines, respectively.

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

    While some choose either Newark - Sofia or Washington, D.C. Dulles Intl - 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 $1,186). 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 agosto 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$617Average$852FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$626Average$716FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$646Average$987FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$650Average$1,239FlexibilityNo cancel feeOn-time77%

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