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Cheap flights from Philadelphia to Bucharest from $464

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 4/3. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
4:35 pm - 11:55 pm
PHL
-
OTP
25h 20m
2 stops
Lufthansa Logo
2:40 pm - 5:05 pm
OTP
-
PHL
32h 25m
1 stop
$469Lufthansa
Wed, Mar 18 - Wed, Mar 25
United Airlines Logo
10:33 am - 12:00 pm
PHL
-
OTP
18h 27m
2 stops
United Airlines Logo
6:05 am - 4:05 pm
OTP
-
PHL
17h 00m
1 stop
$493United Airlines
Tue, Apr 7 - Tue, Apr 14
United Airlines Logo
9:15 am - 12:00 pm
PHL
-
OTP
19h 45m
2 stops
United Airlines Logo
6:05 am - 4:05 pm
OTP
-
PHL
17h 00m
1 stop
$497United Airlines
Sun, Apr 5 - Tue, Apr 14
Air Canada Logo
3:30 pm - 6:35 pm
PHL
-
OTP
20h 05m
2 stops
Air Canada Logo
1:50 pm - 3:44 pm
OTP
-
PHL
32h 54m
2 stops
$500Air Canada
Sun, Apr 5 - Tue, Apr 14
United Airlines Logo
5:40 pm - 1:05 pm
PHL
-
OTP
12h 25m
1 stop
United Airlines Logo
6:05 am - 4:05 pm
OTP
-
PHL
17h 00m
1 stop
$501United Airlines
Sun, Apr 5 - Tue, Apr 14
United Airlines Logo
10:35 am - 12:20 pm
PHL
-
OTP
18h 45m
2 stops
United Airlines Logo
5:55 am - 3:49 pm
OTP
-
PHL
39h 54m
2 stops
$502United Airlines
Wed, Mar 4 - Tue, Mar 17
United Airlines Logo
10:35 am - 12:20 pm
PHL
-
OTP
18h 45m
2 stops
United Airlines Logo
5:50 am - 9:47 am
OTP
-
PHL
33h 57m
2 stops
$503United Airlines
Wed, Mar 4 - Thu, Mar 19
Air Canada Logo
4:25 pm - 12:00 pm
PHL
-
OTP
36h 35m
2 stops
Air Canada Logo
1:50 pm - 3:44 pm
OTP
-
PHL
32h 54m
2 stops
$505Air Canada
Mon, Apr 6 - Tue, Apr 14
United Airlines Logo
7:45 pm - 11:50 pm
PHL
-
OTP
21h 05m
2 stops
United Airlines Logo
6:05 am - 4:05 pm
OTP
-
PHL
17h 00m
1 stop
$506United Airlines
Mon, Apr 6 - Tue, Apr 14
Air France Logo
5:00 pm - 3:50 pm
PHL
-
OTP
16h 50m
2 stops
Air France Logo
8:40 am - 11:00 pm
OTP
-
PHL
20h 20m
2 stops
$508Air France
Wed, Mar 18 - Wed, Mar 25

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 7
PHL10:33 amPhiladelphia
18h 27m
2 stops
OTP12:00 pmBucharest Otopeni Intl
Apr 14
OTP6:05 amBucharest Otopeni Intl
17h 00m
1 stop
PHL4:05 pmPhiladelphia
$493
United Airlines
Apr 5
PHL9:15 amPhiladelphia
19h 45m
2 stops
OTP12:00 pmBucharest Otopeni Intl
Apr 14
OTP6:05 amBucharest Otopeni Intl
17h 00m
1 stop
PHL4:05 pmPhiladelphia
$497
United Airlines
Apr 5
PHL5:40 pmPhiladelphia
12h 25m
1 stop
OTP1:05 pmBucharest Otopeni Intl
Apr 14
OTP6:05 amBucharest Otopeni Intl
17h 00m
1 stop
PHL4:05 pmPhiladelphia
$501

Lufthansa flights from Philadelphia to Bucharest Otopeni Intl Airport

Our best Lufthansa deals on Philadelphia to Bucharest Otopeni Intl Airport flight tickets
Lufthansa
Mar 18
PHL4:35 pmPhiladelphia
25h 20m
2 stops
OTP11:55 pmBucharest Otopeni Intl
Mar 25
OTP2:40 pmBucharest Otopeni Intl
32h 25m
1 stop
PHL5:05 pmPhiladelphia
$469
Lufthansa
Apr 4
PHL4:25 pmPhiladelphia
36h 35m
2 stops
OTP12:00 pmBucharest Otopeni Intl
Apr 13
OTP5:15 pmBucharest Otopeni Intl
29h 50m
1 stop
PHL4:05 pmPhiladelphia
$523
Lufthansa
Apr 4
PHL4:25 pmPhiladelphia
36h 35m
2 stops
OTP12:00 pmBucharest Otopeni Intl
Apr 14
OTP6:15 amBucharest Otopeni Intl
16h 50m
2 stops
PHL4:05 pmPhiladelphia
$526

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 February 20, 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

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Wed 3/18

4:35 pm-11:55 pm

2 stops25h 20m

Bucharest Otopeni Intl

Wed 3/25

2:40 pm-5:05 pm

1 stop32h 25m

$469

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Tue 4/7

10:33 am-12:00 pm

2 stops18h 27m

Bucharest Otopeni Intl

Tue 4/14

6:05 am-4:05 pm

1 stop17h 00m

$493

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Sun 4/5

9:15 am-12:00 pm

2 stops19h 45m

Bucharest Otopeni Intl

Tue 4/14

6:05 am-4:05 pm

1 stop17h 00m

$497

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Sun 4/5

3:30 pm-6:35 pm

2 stops20h 05m

Bucharest Otopeni Intl

Tue 4/14

1:50 pm-3:44 pm

2 stops32h 54m

$500

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Sun 4/5

5:40 pm-1:05 pm

1 stop12h 25m

Bucharest Otopeni Intl

Tue 4/14

6:05 am-4:05 pm

1 stop17h 00m

$501

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Wed 3/4

10:35 am-12:20 pm

2 stops18h 45m

Bucharest Otopeni Intl

Tue 3/17

5:55 am-3:49 pm

2 stops39h 54m

$502

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Wed 3/4

10:35 am-12:20 pm

2 stops18h 45m

Bucharest Otopeni Intl

Thu 3/19

5:50 am-9:47 am

2 stops33h 57m

$503

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Mon 4/6

4:25 pm-12:00 pm

2 stops36h 35m

Bucharest Otopeni Intl

Tue 4/14

1:50 pm-3:44 pm

2 stops32h 54m

$505

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Mon 4/6

7:45 pm-11:50 pm

2 stops21h 05m

Bucharest Otopeni Intl

Tue 4/14

6:05 am-4:05 pm

1 stop17h 00m

$506

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Wed 3/18

5:00 pm-3:50 pm

2 stops16h 50m

Bucharest Otopeni Intl

Wed 3/25

8:40 am-11:00 pm

2 stops20h 20m

$508

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 cheapest airline that flies from Philadelphia to Bucharest Otopeni Intl?

United Airlines, British Airways, and Austrian Airlines are the most popular carriers operating from Philadelphia to Bucharest Otopeni Intl

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 60% of people opting to fly with this airline when traveling to Bucharest Otopeni Intl Airport. Keep in mind that there are 11 different airlines that fly to Bucharest Otopeni Intl Airport on a routine basis, so you have a few additional options to choose from.

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

13h 55m

Direct flights

None
The fastest flight from Philadelphia to Bucharest Otopeni Intl Airport takes 13h 55m
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

  • How far is Philadelphia to Bucharest Otopeni Intl by plane?

    The straight-line distance from Philadelphia to Bucharest Otopeni Intl is 4824.4 mi. 13h 55m 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
7,755 reviews
Search British Airways flights
United AirlinesPriceFrom $491Free CancellationRating
7.4
9,325 reviews
Search United Airlines flights
LufthansaPriceFrom $529Free CancellationRating
6.8
7,789 reviews
Search Lufthansa flights

Traveling to a place near Bucharest?

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

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Bucharest?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Philadelphia to Bucharest. Millions of users trust and use momondo every year so you are in good hands.

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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