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$411+ Cheap flights from Otopeni Intl (OTP) to Philadelphia (PHL)

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — PHL
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$541
(British Airways)

One-way from

$411
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$598
Provider with most accurate pricing for Bucharest Otopeni Intl-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Bucharest Otopeni Intl-Philadelphia flights.
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From Bucharest Otopeni Intl to Philadelphia
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One-way flight from Bucharest Otopeni Intl to Philadelphia
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Highest demand for flights based on searches. 18% potential increase in price ($158 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This British Airways deal was found by Cheapflights users on 3/27. 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.
Thu 5/18:25 amOTP - PHL
1 stop15h 00mBritish Airways
Mon 6/306:30 pmPHL - OTP
1 stop15h 55mBritish Airways
Deal found 3/27$541
This American Airlines deal was found by Cheapflights users on 3/27. 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 4/108:25 amOTP - PHL
1 stop15h 00mAmerican Airlines
Mon 4/146:30 pmPHL - OTP
1 stop15h 55mAmerican Airlines
Deal found 3/27$542
This Delta deal was found by Cheapflights users on 3/27. 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 5/27:00 amOTP - PHL
2 stops18h 00mDelta
Tue 7/16:08 amPHL - OTP
2 stops23h 02mDelta
Deal found 3/27$609
This Air France deal was found by Cheapflights users on 3/27. 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.
Wed 4/301:45 pmOTP - PHL
2 stops18h 04mMultiple Airlines
Mon 6/304:05 pmPHL - OTP
2 stops16h 45mMultiple Airlines
Deal found 3/27$619
This Air Canada deal was found by Cheapflights users on 3/27. 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.
Tue 4/296:30 amOTP - PHL
2 stops39h 17mAir Canada
Sun 6/293:20 pmPHL - OTP
2 stops18h 30mAir Canada
Deal found 3/27$652
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/296:00 amOTP - PHL
2 stops22h 39mUnited Airlines
Mon 6/307:59 pmPHL - OTP
2 stops20h 31mUnited Airlines
Deal found 3/27$662
This SWISS deal was found by Cheapflights users on 3/27. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/296:30 amOTP - PHL
2 stops17h 55mSWISS
Tue 7/15:35 pmPHL - OTP
2 stops14h 45mSWISS
Deal found 3/27$785
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/186:35 amOTP - PHL
2 stops22h 54mAustrian Airlines
Sat 8/910:35 amPHL - OTP
2 stops24h 30mAustrian Airlines
Deal found 3/27$1,527
This Qatar Airways deal was found by Cheapflights users on 3/27. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/110:40 amOTP - PHL
1 stop29h 20mQatar Airways
Sat 6/288:40 pmPHL - OTP
1 stop34h 35mQatar Airways
Deal found 3/27$3,007
This FlightHub deal was found by Cheapflights users on 3/27. 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.
Sun 3/302:20 amOTP - PHL
2 stops26h 19mEmirates
Fri 4/45:01 pmPHL - OTP
2 stops25h 19mEmirates
Deal found 3/27$4,339

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 March 28, 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

Thu 5/1

8:25 am-4:25 pm

1 stop15h 00m

Philadelphia

Mon 6/30

6:30 pm-5:25 pm

1 stop15h 55m

$541

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Thu 4/10

8:25 am-4:25 pm

1 stop15h 00m

Philadelphia

Mon 4/14

6:30 pm-5:25 pm

1 stop15h 55m

$542

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Fri 5/2

7:00 am-6:00 pm

2 stops18h 00m

Philadelphia

Tue 7/1

6:08 am-12:10 pm

2 stops23h 02m

$609

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Wed 4/30

1:45 pm-12:49 am

2 stops18h 04m

Philadelphia

Mon 6/30

4:05 pm-3:50 pm

2 stops16h 45m

$619

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Tue 4/29

6:30 am-2:47 pm

2 stops39h 17m

Philadelphia

Sun 6/29

3:20 pm-4:50 pm

2 stops18h 30m

$652

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Tue 4/29

6:00 am-9:39 pm

2 stops22h 39m

Philadelphia

Mon 6/30

7:59 pm-11:30 pm

2 stops20h 31m

$662

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Tue 4/29

6:30 am-5:25 pm

2 stops17h 55m

Philadelphia

Tue 7/1

5:35 pm-3:20 pm

2 stops14h 45m

$785

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Fri 7/18

6:35 am-10:29 pm

2 stops22h 54m

Philadelphia

Sat 8/9

10:35 am-6:05 pm

2 stops24h 30m

$1,527

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Thu 5/1

10:40 am-9:00 am

1 stop29h 20m

Philadelphia

Sat 6/28

8:40 pm-2:15 pm

1 stop34h 35m

$3,007

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Thu 4/3

9:35 am-11:20 am

3 stops56h 45m

$411

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

  • Most accurate provider: When it comes to deals on Bucharest Otopeni Intl Airport-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bucharest Otopeni Intl Airport-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bucharest Otopeni Intl Airport-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bucharest Otopeni Intl Airport-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bucharest Otopeni Intl Airport-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Rainfall in Philadelphia by month

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

In terms of precipitation, rainfall in Philadelphia 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 Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

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

If weather is an important factor for your trip to Philadelphia, 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 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 March 28, 2025.
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.5
Good
769 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,570 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Qatar Airways
7.4
Good
3,538 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 $541. Other airlines that can offer you cheap pricing are American Airlines, from $542, and Delta, from $609. British Airways is currently priced 23% below the average price you’ll pay for this route.

  • 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 Bucharest Otopeni Intl Airport?

Book flights to Bucharest Otopeni Intl Airport if you plan to visit one of these locations
King of Prussia
Vineland
Pottstown
Wildwood
Reading
Cherry Hill
Exton
Ocean City
Essington
Chester
Newark
Middletown
Willow Grove
Millville
Ephrata
Camden
Dewey Beach
West Chester
Malvern
Dover

Browse thousands of different options on Cheapflights for your next trip

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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$506Average$833FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$507Average$722FlexibilityNo cancel feeOn-time70%
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