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$203+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — PHL
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
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 April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$527
(British Airways)

One-way from

$203
(Norse)

Popular in

July

Cheapest in

March

Average price

$725
Provider with most accurate pricing for Sofia-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Sofia-Philadelphia flights.
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From Sofia to Pennsylvania
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One-way flight from Sofia to Pennsylvania
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Highest demand for flights based on searches. 14% potential increase in price ($131 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 1, 2025.

This British Airways deal was found by Cheapflights users on 3/31. 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 4/139:10 pmSOF - IAD
1 stop25h 40mBritish Airways
Sat 4/2610:45 pmIAD - SOF
1 stop14h 35mBritish Airways
Deal found 3/31$527
This Mytrip deal was found by Cheapflights users on 3/31. 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.
Tue 5/61:15 pmSOF - EWR
2 stops32h 40mMultiple Airlines
Tue 5/135:15 pmEWR - SOF
3 stops26h 40mMultiple Airlines
Deal found 3/31$545
This British Airways deal was found by Cheapflights users on 3/31. 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.
Wed 4/99:30 pmSOF - PHL
1 stop24h 45mBritish Airways
Sat 5/310:48 amPHL - SOF
2 stops26h 32mBritish Airways
Deal found 3/31$562
This KLM deal was found by Cheapflights users on 3/31. 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 4/107:00 amSOF - JFK
1 stop15h 25mKLM
Sun 4/277:15 pmJFK - SOF
1 stop11h 45mKLM
Deal found 3/31$577
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/61:15 pmSOF - JFK
2 stops34h 45mMultiple Airlines
Tue 5/136:55 pmJFK - SOF
3 stops25h 00mMultiple Airlines
Deal found 4/1$578
This Air France deal was found by Cheapflights users on 3/31. 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.
Thu 4/107:00 amSOF - PHL
2 stops16h 54mMultiple Airlines
Wed 4/3012:28 pmPHL - SOF
2 stops18h 32mMultiple Airlines
Deal found 3/31$586
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:20 amSOF - LGA
2 stops22h 10mUnited Airlines
Tue 5/137:29 pmLGA - SOF
2 stops20h 31mUnited Airlines
Deal found 4/1$590
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/139:10 pmSOF - EWR
1 stop29h 15mAmerican Airlines
Tue 4/299:25 pmEWR - SOF
1 stop16h 15mAmerican Airlines
Deal found 4/1$591
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:20 amSOF - JFK
2 stops22h 28mUnited Airlines
Tue 5/139:50 pmJFK - SOF
1 stop13h 00mUnited Airlines
Deal found 4/1$592
This oojo deal was found by Cheapflights users on 3/31. 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.
Thu 8/76:40 pmSOF - EWR
1 stop30h 40mLOT
Thu 8/2110:50 pmEWR - SOF
1 stop32h 00mLOT
Deal found 3/31$594
This oojo deal was found by Cheapflights users on 3/31. 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 stop28h 05mLOT
Mon 11/310:35 pmJFK - SOF
1 stop32h 15mLOT
Deal found 3/31$594
This FlightHub deal was found by Cheapflights users on 3/31. 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.
Wed 4/239:25 amSOF - IAD
1 stop33h 20mTurkish Airlines
Sun 7/61:30 pmIAD - SOF
1 stop18h 15mTurkish Airlines
Deal found 3/31$595

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 April 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

Sun 4/13

9:10 pm-3:50 pm

1 stop25h 40m

Washington, D.C. Dulles Intl

Sat 4/26

10:45 pm-8:20 pm

1 stop14h 35m

$527

SofiaNewark

SOF - EWR

SOFEWR

Sofia

Tue 5/6

1:15 pm-2:55 pm

2 stops32h 40m

Newark

Tue 5/13

5:15 pm-2:55 am

3 stops26h 40m

$545

SofiaPhiladelphia

SOF - PHL

SOFPHL

Sofia

Sun 4/13

9:10 pm-4:25 pm

1 stop26h 15m

Philadelphia

Sun 5/4

7:55 pm-7:10 pm

1 stop16h 15m

$562

SofiaNew York

SOF - JFK

SOFJFK

Sofia

Tue 5/6

1:15 pm-5:00 pm

2 stops34h 45m

New York John F Kennedy Intl

Tue 5/13

6:55 pm-2:55 am

3 stops25h 00m

$578

SofiaNew York

SOF - JFK

SOFJFK

Sofia

Tue 4/15

7:00 am-7:05 pm

1 stop19h 05m

New York John F Kennedy Intl

Tue 4/22

6:15 pm-2:00 pm

1 stop12h 45m

$579

SofiaNew York

SOF - LGA

SOFLGA

Sofia

Tue 5/6

6:20 am-9:30 pm

2 stops22h 10m

New York LaGuardia

Tue 5/13

7:29 pm-11:00 pm

2 stops20h 31m

$590

SofiaNewark

SOF - EWR

SOFEWR

Sofia

Sun 4/13

9:10 pm-7:25 pm

1 stop29h 15m

Newark

Tue 4/29

9:25 pm-8:40 pm

1 stop16h 15m

$591

SofiaNew York

SOF - JFK

SOFJFK

Sofia

Tue 5/6

6:20 am-9:48 pm

2 stops22h 28m

New York John F Kennedy Intl

Tue 5/13

9:50 pm-5:50 pm

1 stop13h 00m

$592

SofiaNewark

SOF - EWR

SOFEWR

Sofia

Thu 8/7

6:40 pm-6:20 pm

1 stop30h 40m

Newark

Thu 8/21

10:50 pm-1:50 pm

1 stop32h 00m

$594

SofiaNew York

SOF - JFK

SOFJFK

Sofia

Fri 5/16

6:40 pm-3:45 pm

1 stop28h 05m

New York John F Kennedy Intl

Mon 11/3

10:35 pm-1:50 pm

1 stop32h 15m

$594

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 58 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 April 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 April 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
730 reviews

Overall

8.1

Comfort

7.8

Boarding

7.8

Crew

8.6

Entertainment

6.9

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
730 reviews
Aegean Airlines
8.1
Very good
730 reviews

Overall

8.1

Comfort

7.8

Boarding

7.8

Crew

8.6

Entertainment

6.9

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
3,192 reviews
Aegean Airlines
8.1
Very good
730 reviews

Overall

8.1

Comfort

7.8

Boarding

7.8

Crew

8.6

Entertainment

6.9

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
1,323 reviews
Aegean Airlines
8.1
Very good
730 reviews

Overall

8.1

Comfort

7.8

Boarding

7.8

Crew

8.6

Entertainment

6.9

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
1,065 reviews
Aegean Airlines
8.1
Very good
730 reviews

Overall

8.1

Comfort

7.8

Boarding

7.8

Crew

8.6

Entertainment

6.9

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
Austrian Airlines
7.6
Good
771 reviews
Aegean Airlines
8.1
Very good
730 reviews

Overall

8.1

Comfort

7.8

Boarding

7.8

Crew

8.6

Entertainment

6.9

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 $426 on Air Serbia. Other airlines that offer cheap prices include Qatar Airways from $539 and Aegean Airlines from $570 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 3 airlines flying from Sofia to Pennsylvania

Discover the top 3 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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$561Average$638FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$581Average$784FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$588Average$760FlexibilityNo cancel feeOn-time69%

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