Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Philadelphia to Bucharest from $267

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 11/15. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Philadelphia to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:20 am - 6:35 pmPHL-OTP
26h 15m2 stops
Multiple Airlines Logo
5:55 am - 2:47 pmOTP-PHL
15h 52m2 stops
$471Multiple Airlines
Find Deal
Mon, Nov 3 - Tue, Nov 18
Multiple Airlines Logo
9:20 am - 6:35 pmPHL-OTP
26h 15m2 stops
Multiple Airlines Logo
5:55 am - 4:05 pmOTP-PHL
17h 10m1 stop
$474Multiple Airlines
Find Deal
Mon, Nov 3 - Tue, Nov 18
American Airlines Logo
7:45 pm - 3:30 pmPHL-OTP
12h 45m1 stop
American Airlines Logo
8:00 am - 4:15 pmOTP-PHL
15h 15m1 stop
$489American Airlines
Find Deal
Mon, Nov 3 - Tue, Nov 18
Multiple Airlines Logo
3:30 pm - 6:40 pmPHL-OTP
20h 10m2 stops
Multiple Airlines Logo
5:55 am - 4:05 pmOTP-PHL
17h 10m1 stop
$497Multiple Airlines
Find Deal
Wed, Nov 5 - Tue, Dec 9
United Airlines Logo
7:58 pm - 6:35 pmPHL-OTP
15h 37m2 stops
United Airlines Logo
6:00 am - 4:00 pmOTP-PHL
17h 00m1 stop
$519United Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
Lufthansa Logo
5:35 pm - 1:00 pmPHL-OTP
12h 25m1 stop
Lufthansa Logo
6:00 am - 4:00 pmOTP-PHL
17h 00m1 stop
$523Lufthansa
Find Deal
Tue, Oct 14 - Tue, Oct 21
Lufthansa Logo
5:35 pm - 4:50 pmPHL-OTP
16h 15m1 stop
Lufthansa Logo
6:00 am - 4:00 pmOTP-PHL
17h 00m1 stop
$524Lufthansa
Find Deal
Tue, Oct 14 - Tue, Oct 21
United Airlines Logo
7:58 pm - 6:35 pmPHL-OTP
15h 37m2 stops
United Airlines Logo
6:00 am - 12:45 amOTP-PHL
25h 45m2 stops
$529United Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
British Airways Logo
7:35 pm - 11:30 pmPHL-OTP
21h 55m1 stop
British Airways Logo
3:00 pm - 4:25 pmOTP-PHL
32h 25m1 stop
$540British Airways
Find Deal
Wed, Mar 25 - Sun, Mar 29
British Airways Logo
7:35 pm - 3:45 pmPHL-OTP
14h 10m1 stop
British Airways Logo
8:20 am - 4:25 pmOTP-PHL
15h 05m1 stop
$614British Airways
Find Deal
Wed, Mar 25 - Sun, Mar 29

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
Oct 14
PHL7:58 pmPhiladelphia
15h 37m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Oct 21
OTP6:00 amBucharest Otopeni Intl
17h 00m
1 stop
PHL4:00 pmPhiladelphia
$519
Find similar
United Airlines
Oct 14
PHL7:58 pmPhiladelphia
15h 37m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Oct 21
OTP6:00 amBucharest Otopeni Intl
25h 45m
2 stops
PHL12:45 amPhiladelphia
$529
Find similar
United Airlines
Oct 14
PHL10:32 amPhiladelphia
23h 18m
2 stops
OTP4:50 pmBucharest Otopeni Intl
Oct 21
OTP6:00 amBucharest Otopeni Intl
17h 00m
1 stop
PHL4:00 pmPhiladelphia
$531
Find similar

Lufthansa flights from Philadelphia to Bucharest Otopeni Intl Airport

Our best Lufthansa deals on Philadelphia to Bucharest Otopeni Intl Airport flight tickets
Lufthansa
Oct 14
PHL5:35 pmPhiladelphia
12h 25m
1 stop
OTP1:00 pmBucharest Otopeni Intl
Oct 21
OTP6:00 amBucharest Otopeni Intl
17h 00m
1 stop
PHL4:00 pmPhiladelphia
$523
Find similar
Lufthansa
Oct 14
PHL5:35 pmPhiladelphia
16h 15m
1 stop
OTP4:50 pmBucharest Otopeni Intl
Oct 21
OTP6:00 amBucharest Otopeni Intl
17h 00m
1 stop
PHL4:00 pmPhiladelphia
$524
Find similar
Lufthansa
Oct 7
PHL5:35 pmPhiladelphia
16h 15m
1 stop
OTP4:50 pmBucharest Otopeni Intl
Oct 12
OTP7:20 pmBucharest Otopeni Intl
51h 40m
2 stops
PHL4:00 pmPhiladelphia
$666
Find similar

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 October 2, 2025.
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

Mon 11/3

9:20 am-6:35 pm

2 stops26h 15m

Bucharest Otopeni Intl

Tue 11/18

5:55 am-2:47 pm

2 stops15h 52m

$471

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Mon 11/3

9:20 am-6:35 pm

2 stops26h 15m

Bucharest Otopeni Intl

Tue 11/18

5:55 am-4:05 pm

1 stop17h 10m

$474

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Mon 11/3

7:45 pm-3:30 pm

1 stop12h 45m

Bucharest Otopeni Intl

Tue 11/18

8:00 am-4:15 pm

1 stop15h 15m

$489

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Wed 11/5

3:30 pm-6:40 pm

2 stops20h 10m

Bucharest Otopeni Intl

Tue 12/9

5:55 am-4:05 pm

1 stop17h 10m

$497

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Tue 10/14

7:58 pm-6:35 pm

2 stops15h 37m

Bucharest Otopeni Intl

Tue 10/21

6:00 am-4:00 pm

1 stop17h 00m

$519

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Tue 10/14

5:35 pm-1:00 pm

1 stop12h 25m

Bucharest Otopeni Intl

Tue 10/21

6:00 am-4:00 pm

1 stop17h 00m

$523

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Tue 10/14

5:35 pm-4:50 pm

1 stop16h 15m

Bucharest Otopeni Intl

Tue 10/21

6:00 am-4:00 pm

1 stop17h 00m

$524

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Tue 10/14

7:58 pm-6:35 pm

2 stops15h 37m

Bucharest Otopeni Intl

Tue 10/21

6:00 am-12:45 am

2 stops25h 45m

$529

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Wed 3/25

7:35 pm-11:30 pm

1 stop21h 55m

Bucharest Otopeni Intl

Sun 3/29

3:00 pm-4:25 pm

1 stop32h 25m

$540

PhiladelphiaBucharest

PHL - OTP

PHLOTP

Philadelphia

Wed 3/25

7:35 pm-3:45 pm

1 stop14h 10m

Bucharest Otopeni Intl

Sun 3/29

8:20 am-4:25 pm

1 stop15h 05m

$614

Flights are sorted by cheapest round-trip flights first.

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

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 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 August instead. Flights to Bucharest Otopeni Intl Airport in August, while not as cheap as those in November, still average around $662.

What is the cheapest day to depart on your flight to Bucharest Otopeni Intl Airport?

Our data shows that Monday is the least expensive day to fly to Bucharest Otopeni Intl Airport. Tickets to fly out on this day can be as low as $761. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Bucharest Otopeni Intl Airport for around $1,240.

What is the cheapest time of day to depart on your flight to Bucharest Otopeni Intl Airport?

Our most recent data shows that the best time of day to fly to Bucharest Otopeni Intl Airport is in the evening. Flights from Philadelphia to Bucharest Otopeni Intl Airport during this time can be as low as $799. In the afternoon is when there is more demand to fly to Bucharest Otopeni Intl Airport, so prices are often more expensive at around $881 per ticket.

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

Direct flights

None
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. 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
United AirlinesPriceFrom $571Free CancellationRating
7.4
8,933 reviews
Search United Airlines flights
LufthansaPriceFrom $633Free CancellationRating
6.8
7,444 reviews
Search Lufthansa flights
British AirwaysPriceFrom $678Free CancellationRating
6.7
7,415 reviews
Search British Airways 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.

An easier way to manage your Bucharest Otopeni Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 11/1
Sat 11/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Bucharest