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$247+ Cheap flights from Sofia (SOF) 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — PHL
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Sofia to Pennsylvania

Keep the following information in mind while searching for Sofia to Pennsylvania flight deals. Data was last updated May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$519
(KLM)

One-way from

$247
(Kiwi.com)

Popular in

November

Cheapest in

March
Provider with most accurate pricing for Sofia-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sofia-Philadelphia flights.
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From Sofia to Pennsylvania
Search Deals
One-way flight from Sofia to Pennsylvania
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Find flight deals from Sofia to Pennsylvania

Cheapest flights from Sofia to Pennsylvania
Explore the most affordable flight options available from Sofia to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This KLM deal was found by Cheapflights users on 4/29. 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 9/177:00 amSOF - IAD
1 stop15h 35mMultiple Airlines
Fri 10/176:30 pmIAD - SOF
1 stop12h 30mMultiple Airlines
Deal found 4/29$519
This KLM deal was found by Cheapflights users on 4/29. 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 10/167:00 amSOF - IAD
1 stop15h 35mKLM
Sat 11/85:35 pmIAD - SOF
1 stop13h 25mKLM
Deal found 4/29$525
This Air France deal was found by Cheapflights users on 4/30. 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.
Sat 5/317:00 amSOF - IAD
1 stop16h 20mAir France
Wed 9/36:30 pmIAD - SOF
1 stop12h 30mAir France
Deal found 4/30$526
This British Airways deal was found by Cheapflights users on 4/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/119:10 pmSOF - PHL
1 stop26h 15mBritish Airways
Sat 5/247:55 pmPHL - SOF
1 stop17h 25mBritish Airways
Deal found 4/29$550
This British Airways deal was found by Cheapflights users on 4/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/98:00 pmSOF - IAD
2 stops26h 00mBritish Airways
Tue 7/1510:40 pmIAD - SOF
1 stop15h 00mBritish Airways
Deal found 4/29$579
This Air France deal was found by Cheapflights users on 4/29. 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.
Sat 5/107:00 amSOF - PHL
2 stops20h 55mMultiple Airlines
Sun 5/251:20 pmPHL - SOF
2 stops17h 40mMultiple Airlines
Deal found 4/29$584
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Sun 5/1112:15 amSOF - JFK
2 stops20h 40mMultiple Airlines
Sun 5/185:40 pmJFK - SOF
2 stops20h 15mMultiple Airlines
Deal found 4/30$584
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/62:20 pmSOF - EWR
1 stop30h 35mAmerican Airlines
Thu 6/125:55 pmEWR - SOF
1 stop12h 35mAmerican Airlines
Deal found 4/30$588
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Sun 5/118:30 pmSOF - LGA
3 stops32h 00mMultiple Airlines
Sat 5/247:25 amLGA - SOF
3 stops28h 45mMultiple Airlines
Deal found 4/29$588
This Booking.com deal was found by Cheapflights users on 4/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/165:20 amSOF - EWR
1 stop20h 00mLOT
Thu 5/2910:50 pmEWR - SOF
1 stop20h 10mLOT
Deal found 4/30$593
This oojo deal was found by Cheapflights users on 4/30. 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.
Fri 5/166:40 pmSOF - JFK
1 stop32h 40mLOT
Mon 11/310:35 pmJFK - SOF
1 stop32h 15mLOT
Deal found 4/30$597
This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/256:00 pmSOF - JFK
1 stop26h 15mITA Airways
Tue 6/104:05 pmJFK - SOF
1 stop13h 00mITA Airways
Deal found 4/30$600

Cheapflights Fare Finder

Customize your flight search to find flights from Sofia 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 May 1, 2025.
Use the filters below to find and compare flights from Sofia to Pennsylvania that are best for you.

Fly from

Sofia

Fly to

Pennsylvania

Route

Depart

Return

Price

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 9/17

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Thu 10/16

6:30 pm-2:00 pm

1 stop12h 30m

$519

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 10/16

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Sat 11/8

5:35 pm-2:00 pm

1 stop13h 25m

$525

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sat 5/31

7:00 am-4:20 pm

1 stop16h 20m

Washington, D.C. Dulles Intl

Wed 9/3

6:30 pm-2:00 pm

1 stop12h 30m

$526

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Sun 5/11

9:10 pm-4:25 pm

1 stop26h 15m

Philadelphia

Sat 5/24

7:55 pm-8:20 pm

1 stop17h 25m

$550

SofiaNewark

SOF - EWR

SOFEWR

Sofia

Wed 6/18

7:25 pm-9:00 pm

1 stop32h 35m

Newark

Fri 7/4

1:15 am-9:45 am

1 stop25h 30m

$556

SofiaNewark

SOF - EWR

SOFEWR

Sofia

Thu 5/15

7:00 am-3:00 pm

1 stop15h 00m

Newark

Thu 5/29

5:00 pm-2:00 pm

1 stop14h 00m

$564

SofiaNewark

SOF - EWR

SOFEWR

Sofia

Thu 5/15

7:00 am-6:02 pm

2 stops18h 02m

Newark

Thu 5/29

3:00 pm-2:00 pm

2 stops16h 00m

$579

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 6/9

8:00 pm-3:00 pm

2 stops26h 00m

Washington, D.C. Dulles Intl

Tue 7/15

10:40 pm-8:40 pm

1 stop15h 00m

$579

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Sat 5/10

7:00 am-8:55 pm

2 stops20h 55m

Philadelphia

Sat 5/24

1:00 pm-2:00 pm

2 stops18h 00m

$584

SofiaNewark

SOF - EWR

SOFEWR

Sofia

Fri 6/6

2:20 pm-1:55 pm

1 stop30h 35m

Newark

Thu 6/12

5:55 pm-1:30 pm

1 stop12h 35m

$588

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 59 results
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Best time to book a flight from Sofia to Pennsylvania

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

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

Currently, August is the cheapest month in which you can book a flight from Sofia to Pennsylvania (average of $236). Flying from Sofia to Pennsylvania in March is currently the most expensive (average of $295). 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 SOF to PA?

Find hourly flight availability from Sofia 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 May 1, 2025.

When flying from Sofia to Pennsylvania, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Pennsylvania by month

Plan your trip to Pennsylvania by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Pennsylvania ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Pennsylvania when rainfall is around 2.7 in.

Temperature in Pennsylvania by month

Plan your trip to Pennsylvania by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Pennsylvania, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 May 1, 2025.
Get a feel of what it's like to fly with Aegean Airlines, Emirates and KLM from Sofia to Pennsylvania by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very good
739 reviews

Crew

8.6

Comfort

7.8

Boarding

7.8

Entertainment

6.9

Overall

8.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.1
Very good
739 reviews
Aegean Airlines
8.1
Very good
739 reviews

Crew

8.6

Comfort

7.8

Boarding

7.8

Entertainment

6.9

Overall

8.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Emirates
8.0
Very good
3,215 reviews
Aegean Airlines
8.1
Very good
739 reviews

Crew

8.6

Comfort

7.8

Boarding

7.8

Entertainment

6.9

Overall

8.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
KLM
7.8
Good
1,334 reviews
Aegean Airlines
8.1
Very good
739 reviews

Crew

8.6

Comfort

7.8

Boarding

7.8

Entertainment

6.9

Overall

8.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
EL AL
7.8
Good
532 reviews
Aegean Airlines
8.1
Very good
739 reviews

Crew

8.6

Comfort

7.8

Boarding

7.8

Entertainment

6.9

Overall

8.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
LOT
7.6
Good
1,069 reviews
Aegean Airlines
8.1
Very good
739 reviews

Crew

8.6

Comfort

7.8

Boarding

7.8

Entertainment

6.9

Overall

8.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Related info for your journey

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

    Located just 4.2 mi from the city center, Sofia (SOF) is the airport most travelers will use when flying to Pennsylvania from Sofia.

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

    One-way options have recently been found by users for as low as $572 on Qatar Airways. Other airlines that offer cheap prices include Air Serbia from $583 and British Airways from $617 one-way.

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

    The most popular flight routes from Sofia to Pennsylvania are Sofia - New York John F Kennedy Intl, Sofia - Newark and Sofia - New York LaGuardia.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sofia 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.

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

    Currently, August is the cheapest month in which you can book a flight from Sofia to Pennsylvania (average of $236). Flying from Sofia to Pennsylvania in March is currently the most expensive (average of $295). 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 Sofia to Pennsylvania

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Sofia to Pennsylvania

Discover the top 2 airlines that operate flights from Sofia 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$588Average$786FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$588Average$767FlexibilityNo cancel feeOn-time69%

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