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Cheap flights from Philadelphia to Bucharest from $340

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Bucharest departing on 9/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Philadelphia to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:05 pm - 3:50 pmPHL  Philadelphia-OTP Bucharest Otopeni Intl
15h 45m2 stops Toronto Pearson Intl Zurich
Multiple Airlines Logo
6:30 am - 2:42 pmOTP  Bucharest Otopeni Intl-PHL Philadelphia
39h 12m2 stops Zurich Montreal Pierre Elliott Trudeau Intl
$700Multiple Airlines
Tue, Feb 2 - Wed, Mar 3
Multiple Airlines Logo
5:05 pm - 3:50 pmPHL  Philadelphia-OTP Bucharest Otopeni Intl
16h 45m2 stops Toronto Pearson Intl Zurich
Multiple Airlines Logo
4:40 pm - 4:05 pmOTP  Bucharest Otopeni Intl-PHL Philadelphia
30h 25m2 stops Zurich Frankfurt am Main
$714Multiple Airlines
Sun, Oct 25 - Mon, Nov 2
Lufthansa Logo
6:40 pm - 1:55 pmPHL  Philadelphia-OTP Bucharest Otopeni Intl
13h 15m1 stop Frankfurt am Main
Lufthansa Logo
6:00 am - 4:05 pmOTP  Bucharest Otopeni Intl-PHL Philadelphia
17h 05m1 stop Frankfurt am Main
$718Lufthansa
Sun, Oct 25 - Tue, Nov 3
Lufthansa Logo
6:40 pm - 1:55 pmPHL  Philadelphia-OTP Bucharest Otopeni Intl
13h 15m1 stop Frankfurt am Main
Lufthansa Logo
6:00 am - 4:05 pmOTP  Bucharest Otopeni Intl-PHL Philadelphia
17h 05m1 stop Frankfurt am Main
$723Lufthansa
Tue, Oct 27 - Thu, Nov 5
British Airways Logo
6:35 pm - 12:05 amPHL  Philadelphia-OTP Bucharest Otopeni Intl
22h 30m1 stop London Heathrow
British Airways Logo
8:25 am - 4:15 pmOTP  Bucharest Otopeni Intl-PHL Philadelphia
14h 50m1 stop London Heathrow
$732British Airways
Tue, Feb 2 - Wed, Mar 3
United Airlines Logo
7:40 pm - 6:35 pmPHL  Philadelphia-OTP Bucharest Otopeni Intl
15h 55m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss
United Airlines Logo
6:05 am - 4:05 pmOTP  Bucharest Otopeni Intl-PHL Philadelphia
17h 00m1 stop Frankfurt am Main
$742United Airlines
Sun, Sep 13 - Tue, Sep 29
United Airlines Logo
10:30 am - 6:35 pmPHL  Philadelphia-OTP Bucharest Otopeni Intl
25h 05m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss
United Airlines Logo
6:05 am - 4:05 pmOTP  Bucharest Otopeni Intl-PHL Philadelphia
17h 00m1 stop Frankfurt am Main
$742United Airlines
Tue, Sep 1 - Thu, Sep 10
British Airways Logo
6:35 pm - 2:45 pmPHL  Philadelphia-OTP Bucharest Otopeni Intl
13h 10m1 stop London Heathrow
British Airways Logo
8:00 am - 4:15 pmOTP  Bucharest Otopeni Intl-PHL Philadelphia
15h 15m1 stop London Heathrow
$755British Airways
Tue, Feb 2 - Thu, Mar 4
American Airlines Logo
7:50 pm - 3:30 pmPHL  Philadelphia-OTP Bucharest Otopeni Intl
12h 40m1 stop London Heathrow
American Airlines Logo
7:35 am - 1:50 pmOTP  Bucharest Otopeni Intl-PHL Philadelphia
13h 15m1 stop London Heathrow
$803American Airlines
Mon, Dec 28 - Sun, Jan 10
American Airlines Logo
7:35 pm - 1:20 amPHL  Philadelphia-OTP Bucharest Otopeni Intl
22h 45m1 stop London Heathrow
American Airlines Logo
8:00 am - 5:15 pmOTP  Bucharest Otopeni Intl-PHL Philadelphia
15h 15m1 stop London Heathrow
$831American Airlines
Tue, Oct 20 - Fri, Oct 30

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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
Sep 1
PHL10:30 amPhiladelphia
25h 05m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Sep 10
OTP6:05 amBucharest Otopeni Intl
17h 00m
1 stop
PHL4:05 pmPhiladelphia
$742
United Airlines
Sep 8
PHL7:40 pmPhiladelphia
15h 55m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Sep 22
OTP6:05 amBucharest Otopeni Intl
39h 42m
2 stops
PHL2:47 pmPhiladelphia
$745
United Airlines
Sep 12
PHL7:40 pmPhiladelphia
33h 20m
2 stops
OTP12:00 pmBucharest Otopeni Intl
Oct 1
OTP6:05 amBucharest Otopeni Intl
17h 00m
1 stop
PHL4:05 pmPhiladelphia
$748

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
Feb 2
PHL6:35 pmPhiladelphia
22h 30m
1 stop
OTP12:05 amBucharest Otopeni Intl
Mar 3
OTP8:25 amBucharest Otopeni Intl
14h 50m
1 stop
PHL4:15 pmPhiladelphia
$732
British Airways
Jan 31
PHL6:35 pmPhiladelphia
13h 20m
1 stop
OTP2:55 pmBucharest Otopeni Intl
Mar 4
OTP4:35 pmBucharest Otopeni Intl
30h 40m
1 stop
PHL4:15 pmPhiladelphia
$755
British Airways
Dec 27
PHL6:35 pmPhiladelphia
13h 20m
1 stop
OTP2:55 pmBucharest Otopeni Intl
Jan 11
OTP4:00 pmBucharest Otopeni Intl
31h 15m
1 stop
PHL4:15 pmPhiladelphia
$783

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Bucharest Otopeni Intl Airport 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, momondo users made 832,500 searches. Data last updated August 10, 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 Philadelphia - OTP Bucharest Otopeni Intl

PHLOTP

Philadelphia

Tue 2/2

5:05 pm-3:50 pm

2 stops15h 45m

Bucharest Otopeni Intl

Wed 3/3

6:30 am-2:42 pm

2 stops39h 12m

$700

PhiladelphiaBucharest

PHL Philadelphia - OTP Bucharest Otopeni Intl

PHLOTP

Philadelphia

Sun 10/25

5:05 pm-3:50 pm

2 stops16h 45m

Bucharest Otopeni Intl

Mon 11/2

4:40 pm-4:05 pm

2 stops30h 25m

$714

PhiladelphiaBucharest

PHL Philadelphia - OTP Bucharest Otopeni Intl

PHLOTP

Philadelphia

Sun 10/25

6:40 pm-1:55 pm

1 stop13h 15m

Bucharest Otopeni Intl

Tue 11/3

6:00 am-4:05 pm

1 stop17h 05m

$718

PhiladelphiaBucharest

PHL Philadelphia - OTP Bucharest Otopeni Intl

PHLOTP

Philadelphia

Tue 10/27

6:40 pm-1:55 pm

1 stop13h 15m

Bucharest Otopeni Intl

Thu 11/5

6:00 am-4:05 pm

1 stop17h 05m

$723

PhiladelphiaBucharest

PHL Philadelphia - OTP Bucharest Otopeni Intl

PHLOTP

Philadelphia

Tue 2/2

6:35 pm-12:05 am

1 stop22h 30m

Bucharest Otopeni Intl

Wed 3/3

8:25 am-4:15 pm

1 stop14h 50m

$732

PhiladelphiaBucharest

PHL Philadelphia - OTP Bucharest Otopeni Intl

PHLOTP

Philadelphia

Sun 9/13

7:40 pm-6:35 pm

2 stops15h 55m

Bucharest Otopeni Intl

Tue 9/29

6:05 am-4:05 pm

1 stop17h 00m

$742

PhiladelphiaBucharest

PHL Philadelphia - OTP Bucharest Otopeni Intl

PHLOTP

Philadelphia

Tue 9/1

10:30 am-6:35 pm

2 stops25h 05m

Bucharest Otopeni Intl

Thu 9/10

6:05 am-4:05 pm

1 stop17h 00m

$742

PhiladelphiaBucharest

PHL Philadelphia - OTP Bucharest Otopeni Intl

PHLOTP

Philadelphia

Tue 2/2

6:35 pm-2:45 pm

1 stop13h 10m

Bucharest Otopeni Intl

Thu 3/4

8:00 am-4:15 pm

1 stop15h 15m

$755
Quickest round-trip

PhiladelphiaBucharest

PHL Philadelphia - OTP Bucharest Otopeni Intl

PHLOTP

Philadelphia

Mon 12/28

7:50 pm-3:30 pm

1 stop12h 40m

Bucharest Otopeni Intl

Sun 1/10

7:35 am-1:50 pm

1 stop13h 15m

$803

PhiladelphiaBucharest

PHL Philadelphia - OTP Bucharest Otopeni Intl

PHLOTP

Philadelphia

Tue 10/20

7:35 pm-1:20 am

1 stop22h 45m

Bucharest Otopeni Intl

Fri 10/30

8:00 am-5:15 pm

1 stop15h 15m

$831

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bucharest from

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

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

Prices are currently typical for flights on this route.

Typical prices usually range from $605 to $1,055.
The lowest price recently found on this route was $700.

What is the cheapest month to fly to Bucharest Otopeni Intl Airport?

If you aren’t able to travel during the month of November, then book flights to Bucharest Otopeni Intl Airport from Philadelphia during March instead. Flights to Bucharest Otopeni Intl Airport in March, while not as cheap as those in November, still average around $439.

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

12h 25m

Direct flights

None
The fastest flight from Philadelphia to Bucharest Otopeni Intl Airport takes 12h 25m
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. 12h 25m 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?

  • 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?

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 AirwaysPriceFrom $439Free CancellationRating
6.7
8,154 reviews
Search British Airways flights
LufthansaPriceFrom $483Free CancellationRating
6.8
8,177 reviews
Search Lufthansa flights
United AirlinesPriceFrom $491Free CancellationRating
7.4
10,102 reviews
Search United Airlines flights
American AirlinesPriceFrom $657Free CancellationRating
7.1
11,902 reviews
Search American Airlines flights

Traveling to a place near Bucharest?

Book flights to Bucharest if you plan to visit one of these locations
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.

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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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