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$478+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — PHL
Jun 21 — Jun 281
Sun 6/21
Sun 6/28
1 adult, Economy
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Cheap 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 May 22, 2026.

This Gotogate deal was found by Cheapflights users on 5/18. 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.
Thu 6/116:05 am
OTP
-
PHL
1 stop17h 00m
Lufthansa
Wed 6/175:40 pm
PHL
-
OTP
1 stop12h 10m
Lufthansa
Deal found 5/18$834
This Kiwi.com deal was found by Cheapflights users on 5/20. 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.
Thu 6/116:35 am
OTP
-
PHL
2 stops16h 30m
Multiple Airlines
Wed 6/175:40 pm
PHL
-
OTP
1 stop12h 10m
Multiple Airlines
Deal found 5/20$837
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:05 am
OTP
-
PHL
1 stop17h 00m
Multiple Airlines
Wed 7/225:40 pm
PHL
-
OTP
2 stops17h 25m
Multiple Airlines
Deal found 5/22$839
This United Airlines deal was found by Cheapflights users on 5/20. 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 7/96:05 am
OTP
-
PHL
1 stop17h 00m
United Airlines
Fri 8/710:32 am
PHL
-
OTP
2 stops31h 38m
United Airlines
Deal found 5/20$841
This United Airlines deal was found by Cheapflights users on 5/21. 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.
Wed 7/16:05 am
OTP
-
PHL
2 stops39h 44m
United Airlines
Mon 7/207:45 pm
PHL
-
OTP
2 stops22h 25m
United Airlines
Deal found 5/21$844
This American Airlines deal was found by Cheapflights users on 5/21. 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 6/68:15 am
OTP
-
PHL
1 stop14h 10m
American Airlines
Wed 6/107:20 pm
PHL
-
OTP
1 stop22h 00m
American Airlines
Deal found 5/21$847
This United Airlines deal was found by Cheapflights users on 5/18. 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 8/66:05 am
OTP
-
PHL
2 stops34h 40m
United Airlines
Tue 8/181:35 pm
PHL
-
OTP
2 stops22h 00m
United Airlines
Deal found 5/18$848
This Air Canada deal was found by Cheapflights users on 5/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:05 am
OTP
-
PHL
2 stops15h 43m
Air Canada
Wed 7/154:20 pm
PHL
-
OTP
2 stops19h 15m
Air Canada
Deal found 5/22$853
This KLM deal was found by Cheapflights users on 5/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:05 am
OTP
-
PHL
2 stops18h 32m
Multiple Airlines
Wed 6/105:12 pm
PHL
-
OTP
2 stops15h 38m
Multiple Airlines
Deal found 5/21$859
This United Airlines deal was found by Cheapflights users on 5/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:05 am
OTP
-
PHL
1 stop17h 00m
United Airlines
Wed 7/155:40 pm
PHL
-
OTP
1 stop23h 10m
United Airlines
Deal found 5/22$860

Find 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 May 22, 2026.

Round-trip from

$834
(Gotogate)

One-way from

$478
(Kiwi.com)

Popular in

September

Cheapest in

October

Average price

$937
From Bucharest Otopeni Intl to Philadelphia
Search Deals
One-way flight from Bucharest Otopeni Intl to Philadelphia
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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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 May 22, 2026.
Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Thu 6/11

6:05 am-4:05 pm

1 stop17h 00m

Philadelphia

Wed 6/17

5:40 pm-12:50 pm

1 stop12h 10m

$834

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Thu 7/16

6:05 am-4:05 pm

1 stop17h 00m

Philadelphia

Wed 7/22

5:40 pm-4:20 pm

1 stop15h 40m

$841

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Thu 7/16

6:05 am-9:19 pm

2 stops22h 14m

Philadelphia

Wed 7/22

7:45 pm-6:35 pm

2 stops15h 50m

$847

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Thu 8/6

6:05 am-9:45 am

2 stops34h 40m

Philadelphia

Tue 8/18

1:35 pm-6:35 pm

2 stops22h 00m

$848

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Thu 8/6

6:05 am-9:45 am

2 stops34h 40m

Philadelphia

Mon 8/17

8:20 am-12:00 pm

2 stops20h 40m

$848

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Sat 6/6

8:15 am-11:40 pm

2 stops22h 25m

Philadelphia

Wed 6/10

7:20 pm-12:20 am

1 stop22h 00m

$857

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Sat 6/6

7:05 am-6:37 pm

2 stops18h 32m

Philadelphia

Wed 6/10

5:12 pm-3:50 pm

2 stops15h 38m

$859

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Wed 6/17

6:05 am-4:05 pm

1 stop17h 00m

Philadelphia

Wed 7/15

5:40 pm-6:35 pm

2 stops17h 55m

$866

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Sun 7/5

2:05 pm-5:52 pm

2 stops34h 47m

Philadelphia

Sun 7/12

7:45 pm-12:00 pm

2 stops33h 15m

$866

BucharestPhiladelphia

OTP - PHL

OTPPHL

Bucharest Otopeni Intl

Thu 6/11

6:20 am-5:52 pm

2 stops18h 32m

Philadelphia

Wed 6/17

5:40 pm-1:10 am

2 stops24h 30m

$876

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/21

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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.

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 May 22, 2026.
Peruse reviews from past customers who have flown with 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.
British Airways
6.7
Okay
7,992 reviews

Entertainment

6.4

Boarding

6.9

Comfort

6.8

Food

6.4

Crew

7.7

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
7,992 reviews
British Airways
6.7
Okay
7,992 reviews

Entertainment

6.4

Boarding

6.9

Comfort

6.8

Food

6.4

Crew

7.7

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

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 1 airline has 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.

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

    Lufthansa and United Airlines can get you from Bucharest Otopeni Intl Airport to Philadelphia in just under 17h. Your travel time can differ by up to 5h 14m. The distance from Bucharest Otopeni Intl Airport to Philadelphia is about 4831 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Bucharest Otopeni Intl Airport to Philadelphia round-trip?

    Cheapflights users have booked flights from Bucharest Otopeni Intl Airport to Philadelphia round-trip from $635. British Airways is currently priced 24% 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.

See more FAQs

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
King of Prussia
Reading
Camden
Ocean City
Cherry Hill
Lewes
Dewey Beach
Pottstown
Ephrata
Milford
Wildwood Crest
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Vineland
Glen Mills

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Otopeni Intl to Philadelphia

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

Top airline flying from Otopeni Intl to Philadelphia

Discover the top airline 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 May 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$635Average$851FlexibilityNo cancel feeOn-time70%

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