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$370+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — PHL
Jun 20 — Jun 271
Fri 6/20
Fri 6/27
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 June 15, 2025.

Round-trip from

$592
(Mytrip)

One-way from

$370
(Mytrip)

Popular in

November

Cheapest in

March

Average price

$727
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. 5% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 15, 2025.

This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/238:00 pmSOF - IAD
1 stop31h 10mAmerican Airlines
Tue 7/810:40 pmIAD - SOF
1 stop15h 00mAmerican Airlines
Deal found 6/14$585
This Mytrip deal was found by Cheapflights users on 6/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/236:00 amSOF - IAD
1 stop20h 25mLufthansa
Sun 1/116:00 pmIAD - SOF
1 stop21h 45mLufthansa
Deal found 6/14$592
This lol.travel deal was found by Cheapflights users on 6/13. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/296:40 pmSOF - JFK
1 stop28h 05mLOT
Tue 7/1510:20 pmJFK - SOF
1 stop12h 35mLOT
Deal found 6/13$598
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/238:00 pmSOF - DCA
2 stops28h 46mAmerican Airlines
Tue 7/85:05 pmDCA - SOF
2 stops20h 35mAmerican Airlines
Deal found 6/14$599
This oojo deal was found by Cheapflights users on 6/13. 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.
Tue 8/56:40 pmSOF - EWR
1 stop30h 30mLOT
Mon 9/227:45 pmEWR - SOF
1 stop23h 15mLOT
Deal found 6/13$605
This Travelis deal was found by Cheapflights users on 6/13. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/62:35 pmSOF - EWR
1 stop12h 50mLufthansa
Thu 2/265:00 pmEWR - SOF
1 stop13h 10mLufthansa
Deal found 6/13$606
This FlightHub deal was found by Cheapflights users on 6/13. 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.
Fri 7/119:25 amSOF - JFK
1 stop20h 15mTurkish Airlines
Thu 7/1712:35 amJFK - SOF
1 stop31h 10mTurkish Airlines
Deal found 6/13$606
This Travelis deal was found by Cheapflights users on 6/13. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:00 amSOF - JFK
1 stop15h 50mMultiple Airlines
Thu 2/2611:30 pmJFK - SOF
1 stop31h 25mMultiple Airlines
Deal found 6/13$608
This FlightHub deal was found by Cheapflights users on 6/13. 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 7/99:15 pmSOF - IAD
1 stop21h 30mTurkish Airlines
Wed 8/69:40 pmIAD - SOF
1 stop27h 55mTurkish Airlines
Deal found 6/13$612
This KLM deal was found by Cheapflights users on 6/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/97:00 amSOF - JFK
1 stop15h 25mKLM
Sat 12/64:40 pmJFK - SOF
1 stop14h 25mKLM
Deal found 6/14$619
This Gotogate deal was found by Cheapflights users on 6/13. 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.
Thu 11/66:00 amSOF - LGA
2 stops15h 43mAir Canada
Thu 2/2610:20 amLGA - SOF
2 stops20h 35mAir Canada
Deal found 6/13$621
This Gotogate deal was found by Cheapflights users on 6/13. 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.
Thu 11/66:00 amSOF - EWR
2 stops20h 58mMultiple Airlines
Thu 2/265:55 pmEWR - SOF
1 stop23h 00mMultiple Airlines
Deal found 6/13$624

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 June 15, 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 7/23

6:00 am-7:25 pm

1 stop20h 25m

Washington, D.C. Dulles Intl

Sun 1/11

6:00 pm-10:45 pm

1 stop21h 45m

$592

SofiaNew York

SOF - JFK

SOFJFK

Sofia

Sun 6/29

6:40 pm-3:45 pm

1 stop28h 05m

New York John F Kennedy Intl

Tue 7/15

10:20 pm-5:55 pm

1 stop12h 35m

$598

SofiaNewark

SOF - EWR

SOFEWR

Sofia

Tue 8/5

6:40 pm-6:10 pm

1 stop30h 30m

Newark

Mon 9/22

7:45 pm-2:00 am

1 stop23h 15m

$605

SofiaNew York

SOF - JFK

SOFJFK

Sofia

Fri 7/11

9:25 am-10:40 pm

1 stop20h 15m

New York John F Kennedy Intl

Thu 7/17

12:35 am-2:45 pm

1 stop31h 10m

$606

SofiaNewark

SOF - EWR

SOFEWR

Sofia

Thu 11/6

2:35 pm-8:25 pm

1 stop12h 50m

Newark

Thu 2/26

5:00 pm-1:10 pm

1 stop13h 10m

$606

SofiaNew York

SOF - JFK

SOFJFK

Sofia

Thu 11/6

7:00 am-3:50 pm

1 stop15h 50m

New York John F Kennedy Intl

Thu 2/26

11:30 pm-1:55 pm

1 stop31h 25m

$608

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 7/9

9:15 pm-11:45 am

1 stop21h 30m

Washington, D.C. Dulles Intl

Wed 8/6

9:40 pm-8:35 am

1 stop27h 55m

$612

SofiaNew York

SOF - JFK

SOFJFK

Sofia

Tue 9/9

7:00 am-7:05 pm

1 stop19h 05m

New York John F Kennedy Intl

Sun 12/7

6:50 pm-2:05 pm

1 stop12h 15m

$619

SofiaNew York

SOF - LGA

SOFLGA

Sofia

Thu 11/6

6:00 am-2:43 pm

2 stops15h 43m

New York LaGuardia

Thu 2/26

10:20 am-1:55 pm

2 stops20h 35m

$621

SofiaNew York

SOF - LGA

SOFLGA

Sofia

Thu 6/26

1:55 pm-8:02 am

2 stops25h 07m

New York LaGuardia

Fri 8/1

8:25 am-11:00 pm

2 stops31h 35m

$624

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 60 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 June 15, 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 June 15, 2025.
Get a feel of what it's like to fly with KLM, LOT and Austrian Airlines 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.
KLM
7.8
Good
1,361 reviews

Boarding

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,361 reviews
KLM
7.8
Good
1,361 reviews

Boarding

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
LOT
7.6
Good
1,080 reviews
KLM
7.8
Good
1,361 reviews

Boarding

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Austrian Airlines
7.6
Good
803 reviews
KLM
7.8
Good
1,361 reviews

Boarding

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air France
7.5
Good
1,463 reviews
KLM
7.8
Good
1,361 reviews

Boarding

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
SWISS
7.5
Good
1,627 reviews
KLM
7.8
Good
1,361 reviews

Boarding

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 $580 on Qatar Airways. Other airlines that offer cheap prices include KLM from $597 and British Airways from $613 one-way.

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

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

  • 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 June 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$588Average$767FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$636Average$777FlexibilityNo cancel feeOn-time76%

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