What airlines fly to Bucharest Otopeni Intl Airport?

HiSky, Lufthansa and United Airlines are the top three most popular airlines that fly to Bucharest Otopeni Intl Airport from Philadelphia according to our data. HiSky is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Bucharest Otopeni Intl Airport. Keep in mind that there are 12 different airlines that fly to Bucharest Otopeni Intl Airport on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Philadelphia and Bucharest Otopeni Intl Airport?

London (LHR) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Philadelphia to Bucharest Otopeni Intl Airport?

London (LHR) has the shortest average layover time for this route: 4h 08m.

Which layover airport has the shortest travel time from Philadelphia to Bucharest Otopeni Intl Airport?

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 13h 04m.

Which layover airport offers the lowest fares from Philadelphia to Bucharest Otopeni Intl Airport?

Flights via London (LHR) offer the lowest average round-trip price of $659.

When did momondo last update prices for flights from Philadelphia Airport to Bucharest Otopeni Intl Airport?

Prices for flights from Philadelphia Airport to Bucharest Otopeni Intl Airport refresh daily.

How many operators does momondo search for flights from Philadelphia Airport to Bucharest Otopeni Intl Airport?

As of April 2026, there are 4 operators available to choose from for flights from Philadelphia Airport to Bucharest Otopeni Intl Airport.

How old do you have to be to fly from Philadelphia Airport to Bucharest Otopeni Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Bucharest Otopeni Intl Airport.

What documentation or ID do you need to fly to Bucharest Otopeni Intl Airport?

The required travel and health documents for your Bucharest Otopeni Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bucharest Otopeni Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$775 Cheap Flights from Philadelphia to Bucharest Otopeni Intl Airport in 2026

Q: What is the typical price of a round-trip flight between Philadelphia and Bucharest Otopeni Intl Airport?

Prices are currently low for flights on this route. Typical prices usually range from $833 to $722. The lowest price recently found on this route was $775.

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Find the cheapest flights from Philadelphia to Bucharest

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:45 pm - 12:20 am

PHL

OTP

22h 35m

1 stop

8:15 am - 4:40 pm

OTP

PHL

15h 25m

1 stop

$775British Airways

Wed, Sep 23 - Wed, Oct 14

6:45 pm - 12:50 am

PHL

OTP

23h 05m

1 stop

8:15 am - 4:40 pm

OTP

PHL

15h 25m

1 stop

$783British Airways

Sun, Sep 20 - Wed, Oct 14

10:00 am - 12:25 pm

PHL

OTP

19h 25m

2 stops

6:05 am - 12:23 pm

OTP

PHL

37h 18m

2 stops

$791United Airlines

Fri, Apr 24 - Wed, Apr 29

11:25 am - 2:35 pm

PHL

OTP

20h 10m

2 stops

8:15 am - 4:40 pm

OTP

PHL

15h 25m

1 stop

$793British Airways

Wed, Sep 23 - Wed, Oct 14

1:00 pm - 6:35 pm

PHL

OTP

22h 35m

2 stops

7:10 pm - 6:40 pm

OTP

PHL

29h 30m

2 stops

$797United Airlines

Mon, Oct 5 - Mon, Oct 26

11:25 am - 2:35 pm

PHL

OTP

20h 10m

2 stops

8:15 am - 11:59 pm

OTP

PHL

22h 44m

2 stops

$803British Airways

Wed, Sep 23 - Wed, Oct 14

6:45 pm - 2:05 pm

PHL

OTP

12h 20m

1 stop

3:40 pm - 4:40 pm

OTP

PHL

32h 00m

1 stop

$813British Airways

Sun, Sep 20 - Mon, Oct 12

6:40 pm - 5:20 pm

PHL

OTP

15h 40m

1 stop

8:15 am - 4:35 pm

OTP

PHL

15h 20m

1 stop

$816British Airways

Mon, May 4 - Tue, May 19

10:28 am - 6:35 pm

PHL

OTP

25h 07m

2 stops

6:05 am - 4:05 pm

OTP

PHL

17h 00m

1 stop

$822United Airlines

Tue, Sep 22 - Fri, Oct 16

3:25 pm - 6:35 pm

PHL

OTP

20h 10m

2 stops

6:05 am - 2:47 pm

OTP

PHL

15h 42m

2 stops

$824Air Canada

Wed, Sep 23 - Fri, Oct 16

United Airlines flights from Philadelphia to Bucharest Otopeni Intl Airport

Our best United Airlines deals on Philadelphia to Bucharest Otopeni Intl Airport flight tickets

United Airlines

Apr 12

PHL7:45 pmPhiladelphia

33h 15m

2 stops

OTP12:00 pmBucharest Otopeni Intl

Apr 20

OTP6:55 pmBucharest Otopeni Intl

30h 59m

2 stops

PHL6:54 pmPhiladelphia

$737

United Airlines

Apr 24

PHL10:00 amPhiladelphia

19h 25m

2 stops

OTP12:25 pmBucharest Otopeni Intl

Apr 29

OTP6:05 amBucharest Otopeni Intl

37h 18m

2 stops

PHL12:23 pmPhiladelphia

$791

United Airlines

Apr 24

PHL10:00 amPhiladelphia

19h 25m

2 stops

OTP12:25 pmBucharest Otopeni Intl

Apr 29

OTP6:05 amBucharest Otopeni Intl

17h 00m

1 stop

PHL4:05 pmPhiladelphia

$876

British Airways flights from Philadelphia to Bucharest Otopeni Intl Airport

Our best British Airways deals on Philadelphia to Bucharest Otopeni Intl Airport flight tickets

British Airways

May 4

PHL6:40 pmPhiladelphia

15h 40m

1 stop

OTP5:20 pmBucharest Otopeni Intl

May 19

OTP8:15 amBucharest Otopeni Intl

15h 20m

1 stop

PHL4:35 pmPhiladelphia

$816

British Airways

May 3

PHL7:35 pmPhiladelphia

22h 15m

1 stop

OTP12:50 amBucharest Otopeni Intl

May 19

OTP6:10 pmBucharest Otopeni Intl

29h 25m

1 stop

PHL4:35 pmPhiladelphia

$826

British Airways

May 11

PHL6:40 pmPhiladelphia

23h 40m

1 stop

OTP1:20 amBucharest Otopeni Intl

May 26

OTP6:10 pmBucharest Otopeni Intl

29h 25m

1 stop

PHL4:35 pmPhiladelphia

$833

momondo Fare Finder

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 9/23

6:45 pm-12:20 am

1 stop22h 35m

Bucharest Otopeni Intl

Wed 10/14

8:15 am-4:40 pm

1 stop15h 25m

$775

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Sun 9/20

6:45 pm-12:50 am

1 stop23h 05m

Bucharest Otopeni Intl

Wed 10/14

8:15 am-4:40 pm

1 stop15h 25m

$783

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Fri 4/24

10:00 am-12:25 pm

2 stops19h 25m

Bucharest Otopeni Intl

Wed 4/29

6:05 am-12:23 pm

2 stops37h 18m

$791

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Wed 9/23

11:25 am-2:35 pm

2 stops20h 10m

Bucharest Otopeni Intl

Wed 10/14

8:15 am-4:40 pm

1 stop15h 25m

$793

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Mon 10/5

1:00 pm-6:35 pm

2 stops22h 35m

Bucharest Otopeni Intl

Mon 10/26

7:10 pm-6:40 pm

2 stops29h 30m

$797

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Wed 9/23

11:25 am-2:35 pm

2 stops20h 10m

Bucharest Otopeni Intl

Wed 10/14

8:15 am-11:59 pm

2 stops22h 44m

$803

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Sun 9/20

6:45 pm-2:05 pm

1 stop12h 20m

Bucharest Otopeni Intl

Mon 10/12

3:40 pm-4:40 pm

1 stop32h 00m

$813

Quickest round-trip

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Mon 5/4

6:40 pm-5:20 pm

1 stop15h 40m

Bucharest Otopeni Intl

Tue 5/19

8:15 am-4:35 pm

1 stop15h 20m

$816

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Tue 9/22

10:28 am-6:35 pm

2 stops25h 07m

Bucharest Otopeni Intl

Fri 10/16

6:05 am-4:05 pm

1 stop17h 00m

$822

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Wed 9/23

3:25 pm-6:35 pm

2 stops20h 10m

Bucharest Otopeni Intl

Fri 10/16

6:05 am-2:47 pm

2 stops15h 42m

$824

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Philadelphia to Bucharest Otopeni Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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What is the typical price of a round-trip flight between Philadelphia and Bucharest Otopeni Intl Airport?

When to book flights from Philadelphia to Bucharest Otopeni Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Bucharest Otopeni Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Philadelphia to Bucharest Otopeni Intl Airport (PHL to OTP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Bucharest Otopeni Intl Airport

Fastest flight time	15h 35m
Direct flights	None

The fastest flight from Philadelphia to Bucharest Otopeni Intl Airport takes 15h 35m

There are no direct flights from Philadelphia to Bucharest Otopeni Intl Airport. There are no popular flight routes from Philadelphia to Bucharest Otopeni Intl Airport.

Search flight deals

Frequently asked questions about flying from Philadelphia to Bucharest Otopeni Intl Airport

How far is Philadelphia to Bucharest Otopeni Intl by plane?
The straight-line distance from Philadelphia to Bucharest Otopeni Intl is 4824.4 mi. 15h 35m is a normal flight duration for this route.
When did momondo last update prices for flights from Philadelphia Airport to Bucharest Otopeni Intl Airport?
Prices for flights from Philadelphia Airport to Bucharest Otopeni Intl Airport refresh daily.
How many operators does momondo search for flights from Philadelphia Airport to Bucharest Otopeni Intl Airport?
As of April 2026, there are 4 operators available to choose from for flights from Philadelphia Airport to Bucharest Otopeni Intl Airport.
How old do you have to be to fly from Philadelphia Airport to Bucharest Otopeni Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Bucharest Otopeni Intl Airport.
What documentation or ID do you need to fly to Bucharest Otopeni Intl Airport?
The required travel and health documents for your Bucharest Otopeni Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bucharest Otopeni Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Philadelphia to Bucharest Otopeni Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Philadelphia to Bucharest Otopeni Intl Airport is British Airways, representing 35% of all bookings. The subsequent popular airlines are Lufthansa at 35%, United Airlines at 19%, and American Airlines at 12%.

Best airlines flying from Philadelphia to Bucharest Otopeni Intl Airport

Compare and see reviews for airlines that fly from Philadelphia to Bucharest Otopeni Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $439	Free Cancellation	Rating 6.7 7,869 reviews	Search British Airways flights
Lufthansa	PriceFrom $483	Free Cancellation	Rating 6.8 7,905 reviews	Search Lufthansa flights
United Airlines	PriceFrom $491	Free Cancellation	Rating 7.4 9,562 reviews	Search United Airlines flights
American Airlines	PriceFrom $657	Free Cancellation	Rating 7.1 11,563 reviews	Search American Airlines flights

Otopeni

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Can I find flights from Philadelphia to Bucharest with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Philadelphia to Bucharest flights to just show those with flexible booking policies.

How can momondo help me find flights from Philadelphia to Bucharest?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Philadelphia to Bucharest.

I’m not ready to book a flight from Philadelphia to Bucharest right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Philadelphia to Bucharest now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Bucharest and let you know when they change.

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Cheap flights from Philadelphia to Bucharest from $775

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Bucharest departing on 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Philadelphia to Bucharest Otopeni Intl Airport

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Our best British Airways deals on Philadelphia to Bucharest Otopeni Intl Airport flight tickets

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How to get the cheapest flight ticket from Philadelphia to Bucharest Otopeni Intl Airport

What is the typical price of a round-trip flight between Philadelphia and Bucharest Otopeni Intl Airport?

What airlines fly to Bucharest Otopeni Intl Airport?

Which airport is the most popular layover for flights between Philadelphia and Bucharest Otopeni Intl Airport?

Which layover airport offers the lowest fares from Philadelphia to Bucharest Otopeni Intl Airport?

Which layover airport has the shortest travel time from Philadelphia to Bucharest Otopeni Intl Airport?

Which layover airport has the shortest connection time from Philadelphia to Bucharest Otopeni Intl Airport?

When to book flights from Philadelphia to Bucharest Otopeni Intl Airport

Cheap Philadelphia to Bucharest Otopeni Intl Airport (PHL to OTP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Bucharest Otopeni Intl Airport

Fastest flight time

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Frequently asked questions about flying from Philadelphia to Bucharest Otopeni Intl Airport

Best airlines flying from Philadelphia to Bucharest Otopeni Intl Airport

Compare and see reviews for airlines that fly from Philadelphia to Bucharest Otopeni Intl Airport with momondo

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Philadelphia flight routes

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Bucharest Otopeni Intl Airport flight routes

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