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Otopeni Intl

$263+ Cheap flights from Philadelphia (PHL) to Otopeni Intl (OTP)

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 — OTP
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap flight deals from Philadelphia to Otopeni Intl

Cheapest flights from Philadelphia to Otopeni Intl
Explore the most affordable flight options available from Philadelphia to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This United deal was found by Cheapflights users on 7/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:55 pm
PHL
-
OTP
2 stops16h 40m
Multiple Airlines
Tue 11/36:00 am
OTP
-
PHL
1 stop17h 05m
Multiple Airlines
Deal found 7/24$715
This oojo deal was found by Cheapflights users on 7/24. 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.
Wed 10/145:40 pm
PHL
-
OTP
1 stop15h 40m
Lufthansa
Tue 11/36:00 am
OTP
-
PHL
1 stop17h 05m
Lufthansa
Deal found 7/24$720
This Lufthansa deal was found by Cheapflights users on 7/24. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:40 pm
PHL
-
OTP
1 stop12h 20m
Lufthansa
Tue 11/36:00 am
OTP
-
PHL
1 stop17h 05m
Lufthansa
Deal found 7/24$722
This KAYAK deal was found by Cheapflights users on 7/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:40 pm
PHL
-
OTP
1 stop15h 50m
Lufthansa
Tue 11/36:00 am
OTP
-
PHL
1 stop17h 05m
Lufthansa
Deal found 7/24$727
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:40 pm
PHL
-
OTP
1 stop12h 25m
Multiple Airlines
Wed 9/26:35 am
OTP
-
PHL
2 stops16h 30m
Multiple Airlines
Deal found 7/23$730
This Gotogate deal was found by Cheapflights users on 7/23. 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.
Mon 8/1710:05 am
PHL
-
OTP
2 stops25h 30m
Air Canada
Wed 9/26:20 am
OTP
-
PHL
2 stops22h 14m
Air Canada
Deal found 7/23$731
This KAYAK deal was found by Cheapflights users on 7/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:20 am
PHL
-
OTP
2 stops30h 50m
SWISS
Wed 11/46:30 am
OTP
-
PHL
2 stops22h 04m
SWISS
Deal found 7/24$734
This Gotogate deal was found by Cheapflights users on 7/22. 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.
Wed 9/910:05 am
PHL
-
OTP
2 stops22h 15m
Multiple Airlines
Wed 9/166:20 am
OTP
-
PHL
2 stops16h 45m
Multiple Airlines
Deal found 7/22$736
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sun 10/116:10 am
PHL
-
OTP
2 stops29h 25m
United Airlines
Tue 11/37:10 pm
OTP
-
PHL
2 stops33h 24m
United Airlines
Deal found 7/24$741
This Lufthansa deal was found by Cheapflights users on 7/24. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:40 pm
PHL
-
OTP
1 stop15h 40m
Lufthansa
Wed 11/42:35 pm
OTP
-
PHL
1 stop32h 30m
Lufthansa
Deal found 7/24$742
This Gotogate deal was found by Cheapflights users on 7/23. 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.
Mon 8/175:40 pm
PHL
-
OTP
1 stop12h 25m
Lufthansa
Wed 9/26:05 am
OTP
-
PHL
1 stop17h 00m
Lufthansa
Deal found 7/23$743

Find flight deals from Philadelphia to Otopeni Intl

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Otopeni Intl (OTP). 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 July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$715
(United)

One-way from

$263
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$924
Provider with most accurate pricing for Philadelphia-Bucharest Otopeni Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Bucharest Otopeni Intl flights.
Search Deals
From Philadelphia to Bucharest Otopeni Intl
Search Deals
One-way flight from Philadelphia to Bucharest Otopeni Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($152 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Otopeni Intl 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 July 27, 2026.
Use the filters below to find and compare flights from Philadelphia to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Wed 9/9

10:30 am-6:35 pm

2 stops25h 05m

Bucharest Otopeni Intl

Wed 9/16

6:05 am-4:05 pm

1 stop17h 00m

$746
Quickest round-trip

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Mon 8/10

3:10 pm-12:00 pm

2 stops13h 50m

Bucharest Otopeni Intl

Wed 9/2

6:05 am-4:05 pm

1 stop17h 00m

$746

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Wed 9/9

7:40 pm-6:35 pm

2 stops15h 55m

Bucharest Otopeni Intl

Fri 9/18

6:05 am-4:05 pm

1 stop17h 00m

$746

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Wed 10/14

5:40 pm-12:50 pm

1 stop12h 10m

Bucharest Otopeni Intl

Wed 11/4

7:10 pm-11:09 pm

2 stops34h 59m

$748

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Mon 8/10

10:39 am-12:00 pm

2 stops18h 21m

Bucharest Otopeni Intl

Wed 9/2

1:45 pm-2:49 pm

2 stops32h 04m

$749

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Tue 8/11

5:40 pm-4:20 pm

1 stop15h 40m

Bucharest Otopeni Intl

Tue 9/1

6:05 am-4:05 pm

1 stop17h 00m

$753

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Wed 9/2

5:40 pm-12:50 pm

1 stop12h 10m

Bucharest Otopeni Intl

Wed 9/16

6:05 am-2:47 pm

2 stops39h 42m

$756

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Mon 8/17

6:56 pm-6:35 pm

2 stops16h 39m

Bucharest Otopeni Intl

Wed 9/2

1:45 pm-12:59 am

2 stops18h 14m

$756

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Tue 8/11

3:05 pm-1:10 am

2 stops27h 05m

Bucharest Otopeni Intl

Tue 9/1

6:15 am-9:43 am

2 stops34h 28m

$757

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Mon 8/10

5:40 pm-4:20 pm

1 stop15h 40m

Bucharest Otopeni Intl

Wed 9/2

6:05 am-4:05 pm

1 stop17h 00m

$815

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Compare providers for flights from Philadelphia to Otopeni Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Otopeni Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Bucharest Otopeni Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Bucharest Otopeni Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Bucharest Otopeni Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Bucharest Otopeni Intl Airport 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 Philadelphia-Bucharest Otopeni Intl Airport 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 Philadelphia to Otopeni Intl

Have a flexible travel schedule? Discover the best time to fly to Otopeni Intl 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.

Reviews of airlines servicing Otopeni Intl

Get insights into the airlines that provide service to Otopeni Intl. 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 Otopeni Intl. Reviews last updated July 27, 2026.
See what other customers who have flown with United Airlines,American Airlines, andLufthansa from Philadelphia to Bucharest Otopeni Intl Airport have to say. 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
10,042 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,042 reviews
United Airlines
7.4
Good
10,042 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
American Airlines
7.1
Good
11,837 reviews
United Airlines
7.4
Good
10,042 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
Lufthansa
6.8
Okay
8,160 reviews
United Airlines
7.4
Good
10,042 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
British Airways
6.7
Okay
8,130 reviews
United Airlines
7.4
Good
10,042 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

Related info for your journey

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

    Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Philadelphia to Bucharest Otopeni Intl. 4 airlines have flights from Philadelphia to Bucharest Otopeni Intl on a regular basis. Booking flights from Philadelphia to Bucharest Otopeni Intl should not be difficult; the airport handles an average of 0 outbound flights to Bucharest Otopeni Intl per day.

  • How long is the flight from Philadelphia to Bucharest Otopeni Intl Airport?

    There are many flights that can get you from Philadelphia to Bucharest Otopeni Intl Airport in 25h 05m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 4831 mi.

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

    According to our current data, British Airways ($439), Lufthansa ($483), and United Airlines ($491) offers the cheapest pricing from Philadelphia to Bucharest Otopeni Intl Airport. Users have found that British Airways is 43% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia to Otopeni Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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
Otopeni

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Alternative routes for Philadelphia to Otopeni Intl

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Otopeni Intl flights
Newark to Otopeni Intl flights
Dulles Intl to Otopeni Intl flights

Top 4 airlines flying from Philadelphia to Otopeni Intl

Discover the top 4 airlines that operate flights from Philadelphia to Otopeni Intl. 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 July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$439Average$744FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$483Average$741FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$491Average$741FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$657Average$691FlexibilityNo cancel feeOn-time71%

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