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$443+ Cheap flights from Philadelphia (PHL) to Bulgaria

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SOF
may. 6 — may. 131
mar. 5/6
mar. 5/13
1 adult, Economy
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Cheap flight deals from Philadelphia to Bulgaria

Keep the following information in mind while searching for Philadelphia to Bulgaria flight deals. Data was last updated mayo 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$726
(Booking.com)

One-way from

$443
(Orbitz)

Popular in

June

Cheapest in

February

Average price

$1,255
Provider with most accurate pricing for Philadelphia-Sofia flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Sofia flights.
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From Philadelphia to Bulgaria
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One-way flight from Philadelphia to Bulgaria
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Highest demand for flights based on searches. 33% potential increase in price ($423 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Philadelphia to Bulgaria

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

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.
vie. 9/59:45 amPHL - SOF
2 stops17h 20mMultiple Airlines
vie. 9/126:15 amSOF - PHL
2 stops22h 53mMultiple Airlines
Deal found 4/30$726
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/55:35 pmPHL - SOF
1 stop12h 50mLufthansa
vie. 9/126:15 amSOF - PHL
1 stop16h 45mLufthansa
Deal found 4/30$745
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.
vie. 5/166:00 amPHL - SOF
2 stops31h 25mTurkish Airlines
lun. 5/269:15 pmSOF - PHL
2 stops43h 23mTurkish Airlines
Deal found 4/30$1,071
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/2111:05 amPHL - VAR
2 stops38h 55mMultiple Airlines
mar. 7/159:00 pmVAR - PHL
2 stops32h 07mMultiple Airlines
Deal found 4/30$1,148
This Air Canada 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/34:30 pmPHL - SOF
2 stops36h 30mAir Canada
dom. 7/2012:45 pmSOF - PHL
2 stops40h 22mAir Canada
Deal found 4/30$1,229

Cheapflights Fare Finder

Customize your flight search to find flights from Philadelphia to Bulgaria 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 mayo 1, 2025.
Use the filters below to find and compare flights from Philadelphia to Bulgaria that are best for you.

Fly from

Philadelphia

Fly to

Bulgaria

Route

Depart

Return

Price

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

vie. 9/5

9:45 am-10:05 am

2 stops17h 20m

Sofia

vie. 9/12

6:15 am-10:08 pm

2 stops22h 53m

$726

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

vie. 9/5

5:35 pm-1:25 pm

1 stop12h 50m

Sofia

vie. 9/12

6:15 am-4:00 pm

1 stop16h 45m

$745

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

vie. 5/16

6:00 am-8:25 pm

2 stops31h 25m

Sofia

lun. 5/26

9:15 pm-9:38 am

2 stops43h 23m

$1,071

PhiladelphiaVarna

PHL - VAR

PHLVAR

Philadelphia

mié. 5/21

11:05 am-9:00 am

2 stops38h 55m

Varna

mar. 7/15

9:00 pm-10:07 pm

2 stops32h 07m

$1,148

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

jue. 7/3

4:30 pm-12:00 pm

2 stops36h 30m

Sofia

dom. 7/20

12:45 pm-10:07 pm

2 stops40h 22m

$1,229

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

mié. 10/15

10:20 pm-1:30 pm

1 stop32h 10m

$443

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

mié. 10/15

10:10 am-12:00 pm

3 stops18h 50m

$504

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Best time to book a flight from Philadelphia to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from Philadelphia 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 Philadelphia to Bulgaria

What is the cheapest month to book a flight from Philadelphia to Bulgaria?

Currently, November is the cheapest month in which you can book a flight from Philadelphia to Bulgaria (average of $632). Flying from Philadelphia to Bulgaria in June is currently the most expensive (average of $1,218). 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.

Rainfall in Bulgaria by month

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

In terms of precipitation, rainfall in Bulgaria ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Bulgaria when rainfall is around 1.2 in.

Temperature in Bulgaria by month

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

If weather is an important factor for your trip to Bulgaria, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Bulgaria

Get insights into the airlines that provide service to Bulgaria. 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 Bulgaria. Reviews last updated mayo 1, 2025.
SWISS
7.5
Good
1,588 reviews

Boarding

7.6

Food

7.0

Overall

7.5

Comfort

7.4

Entertainment

6.7

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
SWISS
7.5
Good
1,588 reviews
SWISS
7.5
Good
1,588 reviews

Boarding

7.6

Food

7.0

Overall

7.5

Comfort

7.4

Entertainment

6.7

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Turkish Airlines
7.3
Good
3,790 reviews
SWISS
7.5
Good
1,588 reviews

Boarding

7.6

Food

7.0

Overall

7.5

Comfort

7.4

Entertainment

6.7

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Air Canada
7.0
Good
9,245 reviews
SWISS
7.5
Good
1,588 reviews

Boarding

7.6

Food

7.0

Overall

7.5

Comfort

7.4

Entertainment

6.7

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Lufthansa
6.7
Okay
7,046 reviews
SWISS
7.5
Good
1,588 reviews

Boarding

7.6

Food

7.0

Overall

7.5

Comfort

7.4

Entertainment

6.7

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
British Airways
6.6
Okay
6,845 reviews
SWISS
7.5
Good
1,588 reviews

Boarding

7.6

Food

7.0

Overall

7.5

Comfort

7.4

Entertainment

6.7

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Bulgaria. 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 Philadelphia to Bulgaria?

    Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Philadelphia to Bulgaria.

  • What are the most popular routes from Philadelphia to Bulgaria?

    Most travelers choose Philadelphia - Sofia, Philadelphia - Varna or Philadelphia - Bourgas when deciding on the best route from Philadelphia to Bulgaria.

  • Can I find deals for flights from Philadelphia to Bulgaria that include hotel bookings?

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

  • How can I find direct flights from Philadelphia to Bulgaria?

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

  • Can I find deals for business class flights from Philadelphia to Bulgaria?

    Yes. Cheapflights offers flight deals from Philadelphia to Bulgaria 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 Philadelphia to Bulgaria?

    Currently, November is the cheapest month in which you can book a flight from Philadelphia to Bulgaria (average of $632). Flying from Philadelphia to Bulgaria in June is currently the most expensive (average of $1,218). 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 Philadelphia to Bulgaria

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Philadelphia to Bulgaria

Discover the top 3 airlines that operate flights from Philadelphia to Bulgaria. 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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$560Average$832FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$608Average$895FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$646Average$794FlexibilityNo cancel feeOn-time69%

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