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$598+ Cheap flights from Otopeni Intl (OTP) to Philadelphia (PHL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — PHL
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Otopeni Intl to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Otopeni Intl (OTP) to Philadelphia (PHL). 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 August 14, 2025.

Round-trip from

$598
(American Airlines)

Popular in

January

Cheapest in

February

Average price

$703
From Bucharest Otopeni Intl to Philadelphia
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Highest demand for flights based on searches. 3% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Otopeni Intl to Philadelphia

Cheapest flights from Otopeni Intl to Philadelphia
Explore the most affordable flight options available from Otopeni Intl to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/218:25 amOTP - PHL
1 stop14h 10mAmerican Airlines
Mon 8/255:29 pmPHL - OTP
2 stops24h 56mAmerican Airlines
Deal found 8/13$598
This Air Canada deal was found by Cheapflights users on 8/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:50 amOTP - PHL
2 stops15h 57mAir Canada
Mon 12/83:30 pmPHL - OTP
2 stops20h 05mAir Canada
Deal found 8/13$599
This British Airways deal was found by Cheapflights users on 8/12. 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.
Fri 9/268:25 amOTP - PHL
1 stop14h 55mBritish Airways
Fri 10/310:15 pmPHL - OTP
1 stop18h 35mBritish Airways
Deal found 8/12$600
This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/158:05 amOTP - PHL
1 stop15h 10mAmerican Airlines
Mon 12/12:56 pmPHL - OTP
2 stops17h 34mAmerican Airlines
Deal found 8/13$602
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:50 amOTP - PHL
1 stop17h 10mUnited Airlines
Mon 12/88:05 pmPHL - OTP
2 stops15h 30mUnited Airlines
Deal found 8/13$603
This Delta deal was found by Cheapflights users on 8/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/211:45 pmOTP - PHL
2 stops18h 11mDelta
Mon 8/257:00 amPHL - OTP
2 stops22h 10mDelta
Deal found 8/13$605
This British Airways deal was found by Cheapflights users on 8/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/158:05 amOTP - PHL
2 stops16h 44mBritish Airways
Mon 12/15:54 pmPHL - OTP
2 stops14h 36mBritish Airways
Deal found 8/13$606
This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:00 amOTP - PHL
1 stop15h 15mAmerican Airlines
Mon 12/87:45 pmPHL - OTP
1 stop20h 15mAmerican Airlines
Deal found 8/13$621
This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/267:00 amOTP - PHL
2 stops21h 34mDelta
Fri 10/31:35 pmPHL - OTP
2 stops16h 20mDelta
Deal found 8/12$634

Cheapflights Fare Finder

 
Customize your flight search to find flights from Otopeni Intl to Philadelphia 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 August 14, 2025.
Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport to Philadelphia that are best for you.

Fly from

Otopeni Intl

Fly to

Philadelphia

Route

Depart

Return

Price

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Sat 11/15

8:05 am-4:15 pm

1 stop15h 10m

Philadelphia

Mon 12/1

7:45 pm-11:00 pm

1 stop20h 15m

$598

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Thu 12/4

5:55 am-2:47 pm

2 stops15h 52m

Philadelphia

Mon 12/8

3:30 pm-6:30 pm

2 stops20h 00m

$599

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Fri 9/26

8:25 am-4:20 pm

1 stop14h 55m

Philadelphia

Fri 10/3

5:27 pm-7:05 pm

2 stops18h 38m

$600

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Thu 12/4

5:55 am-4:00 pm

1 stop17h 05m

Philadelphia

Mon 12/8

8:05 pm-6:30 pm

2 stops15h 25m

$603

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Sat 11/15

8:05 am-5:49 pm

2 stops16h 44m

Philadelphia

Mon 12/1

5:54 pm-3:30 pm

2 stops14h 36m

$606

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Thu 12/4

8:00 am-4:15 pm

1 stop15h 15m

Philadelphia

Mon 12/8

7:45 pm-11:00 pm

1 stop20h 15m

$621

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Wed 9/24

6:35 am-4:00 pm

2 stops16h 25m

$617

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Wed 9/24

8:25 am-4:25 pm

1 stop15h 00m

$638

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Tue 9/23

2:20 am-9:31 pm

2 stops26h 11m

$1,820

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Best time to book a flight from Otopeni Intl to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Otopeni Intl 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 Bucharest Otopeni Intl Airport to Philadelphia

What is the cheapest month to book a flight from Bucharest Otopeni Intl Airport to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Philadelphia (average of $236). Flying from Bucharest Otopeni Intl Airport to Philadelphia 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.

How much does it cost to fly round-trip from Bucharest Otopeni Intl Airport to Philadelphia?

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated August 14, 2025.
Peruse reviews from past customers who have flown with American Airlines and British Airways from Bucharest Otopeni Intl Airport to Philadelphia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Overall

7.2

Entertainment

6.9

Comfort

7.2

Crew

8.0

Food

6.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

MIA - DCA

Flight delayed 5 hours and was told it was due to mechanical issues. Instead of providing lodging due to missed connecting flight, American changed the cause of delay to weather, which meant they were not able required to provide a hotel. To make matters worse, one of our checked bags was lost even though its status said it was “by the plane” but no one at the service desk seemed able to locate it.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Overall

7.2

Entertainment

6.9

Comfort

7.2

Crew

8.0

Food

6.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

MIA - DCA

Flight delayed 5 hours and was told it was due to mechanical issues. Instead of providing lodging due to missed connecting flight, American changed the cause of delay to weather, which meant they were not able required to provide a hotel. To make matters worse, one of our checked bags was lost even though its status said it was “by the plane” but no one at the service desk seemed able to locate it.
British Airways
6.7
Okay
7,266 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Overall

7.2

Entertainment

6.9

Comfort

7.2

Crew

8.0

Food

6.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

MIA - DCA

Flight delayed 5 hours and was told it was due to mechanical issues. Instead of providing lodging due to missed connecting flight, American changed the cause of delay to weather, which meant they were not able required to provide a hotel. To make matters worse, one of our checked bags was lost even though its status said it was “by the plane” but no one at the service desk seemed able to locate it.

Related info for your journey

Find useful and relevant information for your journey from Otopeni Intl to Philadelphia. 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 into for flights to Philadelphia from Bucharest Otopeni Intl?

    Philadelphia (PHL) is the airport you will fly into if you book a flight from Bucharest Otopeni Intl to Philadelphia. You should not have trouble finding flights to Philadelphia from Bucharest Otopeni Intl; the airport handles an average of 0 inbound flights from Bucharest Otopeni Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Philadelphia airport from Bucharest Otopeni Intl. It is only a 7.0 mi journey from Philadelphia (PHL) to Philadelphia’s city center.

  • What are the cheapest airlines flying from Bucharest Otopeni Intl Airport to Philadelphia round-trip?

    Cheapflights users have booked flights from Bucharest Otopeni Intl Airport to Philadelphia round-trip from $506. Another airline that can offer you cheap pricing is British Airways. American Airlines is currently priced 26% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Bucharest Otopeni Intl Airport to Philadelphia one-way?

    The cheapest airline one-way is Austrian Airlines, with whom users have recently found tickets for as low as $617. However, be on the lookout for offers from British Airways and Emirates, as they are both options that can get you from Bucharest Otopeni Intl Airport to Philadelphia for a low price.

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

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

  • How can I find direct flights from Otopeni Intl to Philadelphia?

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

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

    Yes. Cheapflights offers flight deals from Otopeni Intl to Philadelphia 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 Bucharest Otopeni Intl Airport to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Philadelphia (average of $236). Flying from Bucharest Otopeni Intl Airport to Philadelphia 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

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Vineland
Wildwood
King of Prussia
Pottstown
Cherry Hill
Ocean City
Reading
Millville
Ephrata
Camden
Dewey Beach
Dover
Elkton
Essington
Willow Grove
Newark
Chester
Exton
Glen Mills
Springfield

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Top 2 airlines flying from Otopeni Intl to Philadelphia

Discover the top 2 airlines that operate flights from Otopeni Intl to Philadelphia. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$506Average$833FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$507Average$703FlexibilityNo cancel feeOn-time70%

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