OTP - PHL

$577 Find Cheap Flights from Bucharest to Philadelphia

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Bucharest to Philadelphia departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Philadelphia

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Bucharest to Philadelphia, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Bucharest to Philadelphia, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Bucharest to Philadelphia (OTP-PHL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Bucharest to Philadelphia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Bucharest to Philadelphia

Thu, Dec 4 - Mon, Dec 8
American Airlines Logo
8:00 am - 4:15 pmOTP-PHL
15h 15m1 stop
American Airlines Logo
6:35 pm - 11:00 pmPHL-OTP
21h 25m1 stop
$577American Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
American Airlines Logo
8:00 am - 4:15 pmOTP-PHL
15h 15m1 stop
American Airlines Logo
6:35 pm - 11:00 pmPHL-OTP
21h 25m1 stop
$578American Airlines
Find Deal
Thu, Sep 25 - Mon, Sep 29
American Airlines Logo
8:25 am - 3:30 pmOTP-PHL
14h 05m1 stop
American Airlines Logo
10:15 pm - 1:25 amPHL-OTP
20h 10m1 stop
$579American Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
American Airlines Logo
8:00 am - 4:15 pmOTP-PHL
15h 15m1 stop
American Airlines Logo
5:50 pm - 11:00 pmPHL-OTP
22h 10m2 stops
$581American Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
American Airlines Logo
8:00 am - 4:15 pmOTP-PHL
15h 15m1 stop
American Airlines Logo
6:55 pm - 11:00 pmPHL-OTP
21h 05m2 stops
$583American Airlines
Find Deal
Thu, Sep 25 - Mon, Sep 29
American Airlines Logo
8:25 am - 10:00 pmOTP-PHL
20h 35m2 stops
American Airlines Logo
5:27 pm - 5:25 pmPHL-OTP
16h 58m2 stops
$584American Airlines
Find Deal
Thu, Sep 25 - Mon, Sep 29
British Airways Logo
8:25 am - 3:30 pmOTP-PHL
14h 05m1 stop
British Airways Logo
6:30 pm - 1:25 amPHL-OTP
23h 55m1 stop
$610British Airways
Find Deal
Thu, Sep 25 - Mon, Sep 29
 Logo
5:45 pm - 9:38 pmOTP-PHL
34h 53m3 stops
 Logo
3:25 pm - 1:00 amPHL-OTP
26h 35m3 stops
$1,033
Find Deal
Thu, Sep 25 - Mon, Sep 29
United Airlines Logo
6:00 am - 6:57 pmOTP-PHL
19h 57m2 stops
United Airlines Logo
7:58 pm - 6:35 pmPHL-OTP
15h 37m2 stops
$1,045United Airlines
Find Deal
Thu, Sep 25 - Mon, Sep 29
SWISS Logo
4:10 pm - 9:28 pmOTP-PHL
36h 18m3 stops
SWISS Logo
12:50 pm - 3:20 pmPHL-OTP
19h 30m2 stops
$1,061SWISS
Find Deal

Everything you should know

Top airlines
American Airlines
Cheapest • from $577 (round-trip)
American Airlines
Best reviews • 7.2 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to travel
February
Cheapest • 26% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest round-trip
$577
Overall average: $719
American Airlines
Thu 12/4Mon 12/8
OTP - PHL • 1 stop
Cheapest one-way
$596
Multiple Airlines
Wed 9/24
OTP - PHL • 1 stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Philadelphia!
Booking Insights

KAYAK's insights & trends for Bucharest to Philadelphia flights

Get data-powered insights and trends into flights from Bucharest to Philadelphia to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Bucharest to Philadelphia?

The average price of all round-trip flights from Bucharest Otopeni Intl Airport to Philadelphia clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Philadelphia on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Bucharest to Philadelphia. For your return ticket, we recommend flying on a Monday and avoiding Fridays for the best deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Bucharest Otopeni Intl Airport to Philadelphia, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Bucharest Otopeni Intl Airport to Philadelphia is February, where tickets cost $506 (return) on average. On the other hand, the most expensive months are January and July, where the average cost of round-trip tickets is $927 and $847 respectively.

Good to know

Low seasonJanuary
Cheapest flight$577
Best time to beat the crowds but there is an average 35% increase in price.
Most popular time to fly with an average 23% increase in price.
Flight from Bucharest to Philadelphia

When to book flights from Bucharest to Philadelphia

Are your dates flexible? Find out the best times to travel from Bucharest to Philadelphia based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Bucharest to Philadelphia flights

  • What is the cheapest flight from Bucharest Otopeni Intl Airport to Philadelphia?

    In the last 3 days, the lowest price for a flight from Bucharest Otopeni Intl Airport to Philadelphia was $596 for a one-way ticket and $577 for a round-trip.

  • Do I need a passport to fly between Bucharest and Philadelphia?

    Yes

  • Which airports will I be using when flying from Bucharest to Philadelphia?

    Bucharest airport is called Bucharest Otopeni Intl and the only airport in Philadelphia is Philadelphia.

  • Which aircraft models fly most regularly from Bucharest to Philadelphia?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Bucharest to Philadelphia?

    Star Alliance, and oneworld are the airline alliances operating flights between Bucharest and Philadelphia, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Bucharest to Philadelphia, American Airlines or British Airways?

    The two airlines most popular with KAYAK users for flights from Bucharest to Philadelphia are American Airlines and British Airways. With an average price for the route of $833 and an overall rating of 7.2, American Airlines is the most popular choice. British Airways is also a great choice for the route, with an average price of $722 and an overall rating of 6.6.

  • How does KAYAK find such low prices on flights from Bucharest to Philadelphia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Bucharest to Philadelphia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Bucharest to Philadelphia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from Bucharest is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Bucharest to Philadelphia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Philadelphia with an airline and back to Bucharest with another airline. Booking your flights between Bucharest and PHL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Bucharest to Philadelphia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Philadelphia from Bucharest up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Bucharest to Philadelphia

 
See real verified KAYAK customer reviews for airlines flying from Bucharest to Philadelphia. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Bucharest to Philadelphia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.2
American AirlinesOverall score based on 10000 reviews
8.0Crew
7.5Boarding
6.9Entertainment
6.4Food
7.2Comfort
Airline reviews

Internet was a bit expensive and did not work ask that week otherwise a good flight

10.0 ExcellentDavid, Aug 2025MCO - PHL
Read more American Airlines reviews

Internet was a bit expensive and did not work ask that week otherwise a good flight

They don't make it easy or promote their food options. Dirty plane. Delayed.

International baggage recheck process in Philadelphia was a disaster. Waited 1 hour and 45 minutes to receive our bags. Waited 15 minutes to recheck bags, flight notification boards were blank so we asked an AA representative for our connecting gate and we were directed to the wrong terminal and gate. Our connection window was over 3 hours and we made our flight by 5 minutes. We pulled away from the gate and sat on the runway for 1 1/2 hours. 1 of our 4 bags didn’t make it to Phoenix. The mobile app for lost baggage didn’t work, the AA rep had to manually fix.

I miss my flight and they could not rebook me that day because the other flight was full, and for the next day I had to pay a whole new fee again which I think is unprofessional

The flight had a delay that made me being in a real rush to take the second flight. The delay was almost for 2 hours. They moved us from gate to gate in 4 times. Once I arrived to Philadelphia, I got to run thorough all the airport, as the train was already closed by that time. So I got sick with asthma for all the running I had to do. And I was the last one to board, when it was almost closed. So irresponsable with the people

The plane was probably full boarding was easy. We were able to check our carry-on luggage for free. It was a return flight through Philly to LA. Never saw a stewardess do a demonstration of emergency Procedures. I think my flight was pretty full

Overall, a good experience. The food, however, was subpar. The breakfast was a joke.

I was late from Jacksonville, FL but the limited interaction I had with the Philly crew was great.

The delays and cancellations kept me stuck in Miami for an additional 24 hours, and the whole thing seemed extremely disorganized

Everything was great except British airways lost our luggage that was gate checked all the way through to Italy. No one knows currently where one is and the other one may be in route to Amsterdam to meet us but not sure. If you can Hale’s it would be awesome. The website is not helpful.

what would have been better would have been that my booking not been canceled by the system and had I been informed that the booking had been cancelled by the system I could have immediately rebooked and not found out that there was an issue when I was told by the system that I needed to book in. It would have also been good if either the booking agent or BA or anyone been in anyway useful. In the end I had to rebook a flight at an additional cost of $350. So no I'm not impressed by BA any of the other parties involved.

Boarding was poor. Why are first class passengers not boarded first?! Bus to the plane and then held on a packed bus because we were waiting for people on the bus before to finish boarding. Seat belt on the fist clas seat is very uncomfortable, cutting into your neck. Other than that crew, seating and food were all excellent. Entertainment, as usual - rubbish.

I paid for full WIFI- it was terrible, kept being in and out could not listen to a podcast

Flight was delayed but my previous flight was as well so It worked to my advantage. This was my first time in first class. I don't think they ever stopped feeding us. The seating area was very spacious and comfortable. The attendants were wonderful, warm, friendly and very personable.

Some how my flight was canceled, neither BA or Justfly.com accepted responsibility. I only found out about this the day before when I tried to check in. I had to book another flight which due to the time ( day before) cost me $300 more. I was still receiving notifications about the flight even when I was on another flight from you. So no my flight to London was not good.

We had a pretty good experience. Enjoyed both the flights. Crew was very good and helpful.

They issued seat assignments and sat my 2 year-old in the row behind me, separate from me and my daughter. Communication/ customer service was terrible. They told me to change it in London, then in London, they told me to talk to the cabin crew, then a supervisor came and stuck us in the back of the plane when we were supposed to be in row 25. Overall, they need to really work on their customer service. Additionally the food was terrible and they ran out of meals and didn’t have any kid options. To top it off there was no in-flight entertainment for the first hour of the trip.

We missed the connection because we had to wait for a shuttle from the plane to the Terminal. Also, we needed assistance and none was available.

When we arrived at the airport - 1st step - printing out your boarding pass - no issue. Not long lines as these machines. 2nd step - processing your bag drop off. There was only one associate there to help 10 kiosks. We had a family in front of us for 20 minutes trying to work on the machine and figure out every step for 4 pieces of luggage. My husband alerted the associate who was able to assist the family. Highly suggest that there are more associates to assist in this process. Besides this issue, security check went very quickly. Our flight was direct to Philadelphia. We had to carry our bags down two flights of steps, then out to the tarmac to a bus, then carry our bags up two flights of stairs to the plane. No one on the flight was expecting that long trek. I could see some people were struggling a bit. All in all - great flight crew, plane was clean and food was great!

There were no gluten-free vegan options available, so food was very limited on this flight, and some of the crew weren’t especially helpful about it. To make matters worse, a passenger was sick on board, and although the area was cleaned, the smell lingered for the rest of the journey. On top of that, we ended up circling for an extra hour, which only made the unpleasant situation drag on even longer.

Everything you need to know for your flight from Bucharest to Philadelphia

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