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Cheap flights from Philadelphia (PHL) to Sofia (SOF) from $542

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 6/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PHL — SOF
May 15 — May 221
From?
To?
Wed 5/15
Wed 5/22
1 adult, Economy
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The best prices from Philadelphia to Sofia are usually found in November or February, booked 13 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Philadelphia to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 10, 2024.

Popular in

June

Cheapest in

November

Round-trip from

$660

One-way from

$542
High demand for flights, 28% potential price rise
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Best time to find cheap flights, 31% potential price drop
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From Philadelphia to Sofia
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One-way flight from Philadelphia to Sofia
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What is the cheapest day to fly round-trip from Philadelphia to Sofia?

Users have found that flying from Philadelphia to Sofia on a Friday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Philadelphia to Sofia?

Travelers have found it’s best to book a flight 14 days in advance to save up to 229% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 14 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Philadelphia to Sofia 1-2 weeks in advance for as low as $525, or $1,791 for flights within the next 24 hours.

What is the cheapest month to fly from Philadelphia to Sofia?

November can be a great time to fly to Sofia from Philadelphia with a flight ticket averaging about $1,010. Cheapflights users have found deals in the month of November for as cheap as $529. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from Philadelphia to Sofia (PHL - SOF)?

One of the essential ways to save on airfare from Philadelphia to Sofia is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 37% on airfare.

Cheap British Airways flights from Philadelphia to Sofia

Explore cheap flight options specifically provided by British Airways for the route between Philadelphia and Sofia. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 10, 2024.
Find some of the cheapest British Airways flights traveling from Philadelphia to Sofia. Come back soon if you're not finding the exact deal you're looking for.
Mon 9/26:31 pmPHL - SOF
2 stops18h 54mBritish Airways
Thu 9/199:20 pmSOF - PHL
1 stop26h 15mBritish Airways
Deal found 5/9$903
Fri 6/145:55 pmPHL - SOF
2 stops18h 05mBritish Airways
Tue 6/259:15 pmSOF - PHL
1 stop26h 20mBritish Airways
Deal found 5/8$2,133
Fri 6/1411:03 amPHL - SOF
2 stops24h 57mBritish Airways
Sun 6/239:00 pmSOF - PHL
1 stop26h 35mBritish Airways
Deal found 5/8$2,230
Fri 6/146:30 pmPHL - SOF
1 stop12h 35mBritish Airways
Sun 6/239:00 pmSOF - PHL
1 stop26h 35mBritish Airways
Deal found 5/9$2,451
Thu 6/132:20 pmPHL - SOF
2 stops16h 10mBritish Airways
Sat 6/228:05 pmSOF - PHL
1 stop23h 35mBritish Airways
Deal found 5/8$2,631
Sun 6/166:30 pmPHL - SOF
1 stop17h 40mBritish Airways
Sat 6/228:05 pmSOF - PHL
1 stop23h 35mBritish Airways
Deal found 5/8$2,689
Sun 6/166:30 pmPHL - SOF
1 stop17h 40mBritish Airways
Sat 6/228:05 pmSOF - PHL
2 stops30h 48mBritish Airways
Deal found 5/8$2,965

Cheap Air Canada flights from Philadelphia to Sofia

Explore cheap flight options specifically provided by Air Canada for the route between Philadelphia and Sofia. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 10, 2024.
Some of the lowest-priced Air Canada flights we've found at this time heading from Philadelphia to Sofia. Deals are refreshing constantly so come back soon for more options.
Mon 9/24:10 pmPHL - SOF
2 stops19h 35mAir Canada
Thu 9/196:30 amSOF - PHL
2 stops22h 06mAir Canada
Deal found 5/9$925
Thu 8/110:05 amPHL - SOF
2 stops20h 15mAir Canada
Tue 8/206:00 amSOF - PHL
2 stops23h 44mAir Canada
Deal found 5/9$993
Sun 6/166:15 amPHL - SOF
2 stops22h 55mAir Canada
Wed 6/266:30 amSOF - PHL
2 stops15h 59mAir Canada
Deal found 5/8$1,371
Fri 6/146:15 amPHL - SOF
2 stops22h 55mAir Canada
Wed 6/266:30 amSOF - PHL
2 stops15h 59mAir Canada
Deal found 5/8$1,421
Wed 6/124:10 pmPHL - SOF
2 stops18h 55mAir Canada
Sat 6/226:30 amSOF - PHL
2 stops15h 59mAir Canada
Deal found 5/8$1,430
Fri 6/146:15 amPHL - SOF
2 stops22h 55mAir Canada
Sun 6/236:30 amSOF - PHL
2 stops15h 59mAir Canada
Deal found 5/8$1,471

Cheap Philadelphia to Sofia flights in May & June 2024

Find cheap flight options from Philadelphia to Sofia specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,717,708 searches. Prices were last updated on May 10, 2024.
These are some of the best deals we've found on flights to Sofia in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Sat 5/2511:30 amPHL - SOF
2 stops42h 00mMultiple Airlines
Wed 6/126:00 amSOF - PHL
1 stop17h 25mMultiple Airlines
Deal found 5/9$1,130
Thu 6/136:32 amPHL - SOF
2 stops33h 18mMultiple Airlines
Sun 6/236:30 amSOF - PHL
1 stop16h 30mMultiple Airlines
Deal found 5/9$1,251
Tue 6/256:45 pmPHL - SOF
2 stops30h 45mMultiple Airlines
Thu 7/46:30 amSOF - PHL
2 stops22h 04mMultiple Airlines
Deal found 5/9$1,300
Fri 5/244:10 pmPHL - SOF
3 stops19h 35mMultiple Airlines
Tue 6/116:00 amSOF - PHL
2 stops23h 41mMultiple Airlines
Deal found 5/9$1,330
Sat 5/254:21 pmPHL - SOF
2 stops33h 09mMultiple Airlines
Tue 6/116:30 amSOF - PHL
2 stops15h 58mMultiple Airlines
Deal found 5/9$1,340
Sun 6/162:26 pmPHL - SOF
2 stops29h 29mMultiple Airlines
Sun 6/236:30 amSOF - PHL
1 stop16h 30mMultiple Airlines
Deal found 5/9$1,343
Fri 5/244:10 pmPHL - SOF
3 stops24h 45mMultiple Airlines
Tue 6/117:10 amSOF - PHL
3 stops22h 31mMultiple Airlines
Deal found 5/9$1,345
Tue 6/256:17 amPHL - SOF
3 stops33h 18mMultiple Airlines
Thu 7/46:30 amSOF - PHL
2 stops15h 59mMultiple Airlines
Deal found 5/9$1,350
Fri 6/146:45 pmPHL - SOF
2 stops18h 35mMultiple Airlines
Sun 6/236:30 amSOF - PHL
2 stops15h 59mMultiple Airlines
Deal found 5/9$1,357

Philadelphia to Sofia 2024 flight deals

Discover exclusive flight deals for travel between Philadelphia and Sofia in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 10, 2024.
These are some of the best deals we've found on flights to Sofia in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Mon 9/26:31 pmPHL - SOF
2 stops18h 54mBritish Airways
Thu 9/199:20 pmSOF - PHL
1 stop26h 15mBritish Airways
Deal found 5/9$903
Mon 9/24:10 pmPHL - SOF
2 stops19h 35mAir Canada
Thu 9/196:30 amSOF - PHL
2 stops22h 06mAir Canada
Deal found 5/9$925
Tue 9/35:35 pmPHL - SOF
1 stop12h 45mUnited Airlines
Fri 9/206:30 amSOF - PHL
2 stops16h 01mUnited Airlines
Deal found 5/9$940
Thu 8/15:05 pmPHL - SOF
2 stops42h 40mMultiple Airlines
Tue 8/206:00 amSOF - PHL
2 stops41h 24mMultiple Airlines
Deal found 5/9$983
Thu 8/110:05 amPHL - SOF
2 stops20h 15mAir Canada
Tue 8/206:00 amSOF - PHL
2 stops23h 44mAir Canada
Deal found 5/9$993
Thu 8/110:05 amPHL - SOF
2 stops20h 15mAir Canada
Tue 8/206:00 amSOF - PHL
2 stops23h 44mAir Canada
Deal found 5/9$1,017
Thu 8/12:37 pmPHL - SOF
2 stops15h 43mMultiple Airlines
Wed 8/212:05 pmSOF - PHL
2 stops56h 24mMultiple Airlines
Deal found 5/9$1,061
Thu 8/15:35 pmPHL - SOF
1 stop17h 30mUnited Airlines
Tue 8/206:30 amSOF - PHL
2 stops22h 04mUnited Airlines
Deal found 5/9$1,100
Thu 8/15:35 pmPHL - SOF
1 stop22h 00mMultiple Airlines
Tue 8/206:00 amSOF - PHL
2 stops23h 44mMultiple Airlines
Deal found 5/9$1,103

One-way flights to Sofia from Philadelphia

Search for one-way flight options from Philadelphia to Sofia. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 10, 2024.
Take a look at some of the one-way flights we've detected from Philadelphia to Sofia. Those needing a return flight from Philadelphia to Sofia can use the search form above.
Sat 6/2210:59 pmPHL - SOF
3 stops44h 16mMultiple Airlines
Deal found 5/9$542
Sat 6/2210:59 pmPHL - SOF
2 stops40h 51mMultiple Airlines
Deal found 5/9$577
Sat 6/225:35 pmPHL - SOF
1 stop18h 45mMultiple Airlines
Deal found 5/9$1,317

Find flights from Philadelphia to Sofia within your budget

Customize your flight search to find flights from Philadelphia 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 2,717,708 searches. Data last updated May 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$903 - $2,393

Route

Depart

Return

Price

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Mon 9/2

2 stops18h 54m

Sofia

Thu 9/19

1 stop26h 15m

$903

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Mon 9/2

2 stops19h 35m

Sofia

Thu 9/19

2 stops22h 06m

$925

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Tue 9/3

1 stop12h 45m

Sofia

Fri 9/20

2 stops16h 01m

$940

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Thu 8/1

2 stops42h 40m

Sofia

Tue 8/20

2 stops41h 24m

$983

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Thu 8/1

2 stops20h 15m

Sofia

Tue 8/20

2 stops23h 44m

$993

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Thu 8/1

2 stops15h 43m

Sofia

Wed 8/21

2 stops56h 24m

$1,061

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Thu 8/1

1 stop17h 30m

Sofia

Tue 8/20

2 stops22h 04m

$1,100

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Thu 8/1

1 stop17h 30m

Sofia

Tue 8/20

1 stop28h 15m

$1,218

PhiladelphiaSofia

PHL - SOF

PHLSOF

Philadelphia

Sat 6/15

2 stops39h 10m

Sofia

Tue 6/25

1 stop22h 25m

$2,393

Flights are sorted by cheapest first

Deals found on 5/9

When is the best time to book a flight from Philadelphia to Sofia?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Sofia. Price data was last updated on May 3, 2024.
Booking 13 days in advance of your planned departure date is, on average, the best time to get cheap flights from Philadelphia to Sofia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from Philadelphia to Sofia?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Sofia. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Philadelphia to Sofia flight should consider departing on Monday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Sofia by month

Plan your trip from Philadelphia to Sofia by taking into account the cheapest months to travel. The average price of a one-way flight from Philadelphia to Sofia is currently $812 while a round-trip flight costs $1,168. Price data was last updated on May 5, 2024.

Currently, November is the cheapest month in which you can book a flight from Philadelphia to Sofia (average of $660). Flying from Philadelphia to Sofia in June is currently the most expensive (average of $1,333). 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.

January

$661

February

$682

March

$680

April

$776

May

$930

June

$1,333

July

$1,163

August

$933

September

$789

October

$705

November

$660

December

$673

Temperature and rainfall in Sofia by month

Plan your trip to Sofia by taking into account the average temperature and rainfall totals by month.

SOF

Temperature

30.2 - 68 °F

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. 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 Sofia. Reviews last updated May 10, 2024.
Read reviews from past customers who have flown British Airways, Air Canada and United Airlines from Philadelphia to Sofia. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
11,027 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.2

Crew

8.1

Food

6.7

Overall

7.4

Reviews

1 / 10

The staff were pleasant. There was no food or entertainment.

United Airlines
7.4
Good
11,027 reviews
United Airlines
7.4
Good
11,027 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.2

Crew

8.1

Food

6.7

Overall

7.4

Reviews

1 / 10

The staff were pleasant. There was no food or entertainment.

American Airlines
7.3
Good
14,665 reviews
United Airlines
7.4
Good
11,027 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.2

Crew

8.1

Food

6.7

Overall

7.4

Reviews

1 / 10

The staff were pleasant. There was no food or entertainment.

Air Canada
7.0
Good
6,926 reviews
United Airlines
7.4
Good
11,027 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.2

Crew

8.1

Food

6.7

Overall

7.4

Reviews

1 / 10

The staff were pleasant. There was no food or entertainment.

Lufthansa
7.0
Good
7,688 reviews
United Airlines
7.4
Good
11,027 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.2

Crew

8.1

Food

6.7

Overall

7.4

Reviews

1 / 10

The staff were pleasant. There was no food or entertainment.

British Airways
6.8
Okay
6,867 reviews
United Airlines
7.4
Good
11,027 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.2

Crew

8.1

Food

6.7

Overall

7.4

Reviews

1 / 10

The staff were pleasant. There was no food or entertainment.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Philadelphia to Sofia for under $1,000 on Cheapflights?

    Yes, there are multiple flights from Philadelphia to Sofia for under $1,000. The cheapest flight booked recently is on British Airways for just $903, but on average you can expect to pay $1,121.

  • What are the cheapest airlines flying from Philadelphia to Sofia round-trip?

    According to our current data, British Airways ($903), Air Canada ($925), and United Airlines ($940) offers the cheapest pricing from Philadelphia to Sofia. These flights start at 10% lower than the current average price 3 months from now.

  • What are the most popular airlines that fly from Philadelphia to Sofia?

    When booking a flight from Philadelphia to Sofia, you may want to consider flying on British Airways, Iberia or Lufthansa as they are the most popular for this route.

  • What does PHL to SOF mean?

    Philadelphia Airport is PHL and Sofia Airport is SOF. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Philadelphia to Sofia that include extra baggage allowance?

    The amount of baggage you can bring on your Philadelphia to Sofia flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Philadelphia to Sofia with specific airlines?

    Yes, Cheapflights allows you to browse and filter Philadelphia to Sofia flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia 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.

  • Can I find deals for flights from Philadelphia to Sofia that allow pets onboard?

    Many airlines flying from Philadelphia to Sofia offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Philadelphia to Sofia?

    Yes, you can often find last-minute deals on Philadelphia to Sofia flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Philadelphia to Sofia flight deals updated?

    The Philadelphia to Sofia flight deals you see on this page were last updated on 5/9.

See more FAQs

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Alternative routes for Philadelphia to Sofia
See prices for flight routes from nearby airports that may be better suited for you.

Pittsburgh to Sofia flights

Top 4 airlines flying from Philadelphia to Sofia

Discover the top 4 airlines that operate flights from Philadelphia 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 2,717,708 searches. Data last updated May 10, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$601Average$926FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest$605Average$1,332FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest$816Average$1,183FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest$1,314Average$1,328FlexibilityNo cancel feeOn-time77%
Search Iberia flights
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Search flights from Philadelphia to Sofia by cabin class

Find flights from Philadelphia to Sofia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Philadelphia to Sofia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Philadelphia to Sofia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Sofia?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Philadelphia to Sofia.

Can Cheapflights find flights from Philadelphia to Sofia with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Philadelphia to Sofia, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Philadelphia to Sofia become cheaper?

Yes! Start tracking prices for Philadelphia to Sofia flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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