$67 Cheap Flights from Bucharest (OTP) to Istanbul (IST)

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Cheap Flights from Bucharest to Istanbul (OTP-IST)

Prices were available within the past 7 days and start at $67 for one-way flights and $129 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tarom-Romanian Air Transport
Tarom-Romanian Air Transport
Pegasus Airlines
Pegasus Airlines
Pegasus Airlines
Pegasus Airlines
Pegasus Airlines
Pegasus Airlines
Pegasus Airlines
Pegasus Airlines
Flights from Bucharest (OTP) to Istanbul (IST)
Origin airport
Henri Coanda Intl.
Destination airport
Istanbul
Airlines serving
Aegean, Air Serbia, LOT-Polish Airlines, Tarom-Romanian Air Transport, Turkish Airlines
Roundtrip price
$128
Distance
265 mi

Bucharest to Istanbul Flights

The cheapest times to fly from Bucharest to Istanbul

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bucharest to Istanbul are during the month of June. You can find some of the cheapest flights from Bucharest to Istanbul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bucharest to Istanbul

Sunday is one of the best days to book for cheap flights from Bucharest to Istanbul: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bucharest to Istanbul

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bucharest to Istanbul in 2025. You can also book with separate airlines for your outbound and return journeys, from $67 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bucharest to Istanbul flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bucharest to Istanbul airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Henri Coanda Intl. Airport (OTP) to Istanbul (IST) cost?
Snag cheap return flights starting from $129 from Henri Coanda Intl. Airport (OTP) to Istanbul (IST). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Tarom-Romanian Air Transport flight leaving OTP on May 11 2025 and touching down at IST. The price was last updated on April 28 2025 and has not changed since.
What is the cheapest month to fly from OTP to IST?
The cheapest flights from OTP to IST are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from OTP to IST?
With prices as low as $67 for a one-way flight from OTP to IST, Tarom-Romanian Air Transport is currently the cheapest airline for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from OTP on July 15 2025. Prices were last updated on April 28 2025 and have not changed since.
How many flights per day from Henri Coanda Intl. Airport (OTP) to Istanbul (IST)?
You’ll need to catch a flight with a layover if you’re traveling from Henri Coanda Intl. Airport (OTP) to Istanbul (IST). Direct flights don’t operate daily on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from OTP to IST?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from OTP to IST?
Consider traveling with Turkish Airlines if you’d like to fly straight from Henri Coanda Intl. Airport (OTP) to Istanbul (IST) without any interruptions. This carrier has the best track record for punctuality, with an on-time score of 85%. Want to get notified of any changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Henri Coanda Intl. Airport (OTP) to Istanbul (IST)?
To touch down at Istanbul (IST) on schedule, choose a flight that takes off from Henri Coanda Intl. Airport (OTP) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Henri Coanda Intl. Airport (OTP) to Istanbul (IST) last-minute?
Last-minute bookings from OTP to IST are generally more expensive. To lock in the best prices, start looking for flights ahead of time. That being said, if your travel plans are flexible, it’s possible to find a cheap ticket right before you leave.
Can I cancel or change the date of my flight from Henri Coanda Intl. Airport (OTP) to Istanbul (IST)?
You can usually reschedule or cancel your OTP to IST flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find further details on our Customer Service portal.

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