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Cheap flights from Bucharest Otopeni Intl Airport to Istanbul Airport from £51

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/3. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — IST
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Bucharest Otopeni Intl to Istanbul are usually found in February or March, booked 75 days in advance, depart on a Friday or Thursday and return on a Wednesday

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Cheapest flights from Otopeni Intl to Istanbul
Explore the most affordable flight options available from Otopeni Intl to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2025.

Mon 1/1221:10OTP - IST
Nonstop1h 15mTAROM
Tue 2/1211:40IST - OTP
Nonstop1h 15mTAROM
Deal found 20/11£111
Wed 3/1215:50OTP - IST
Nonstop1h 50mTAROM
Sat 6/1223:35IST - OTP
Nonstop1h 45mTAROM
Deal found 20/11£112
Mon 1/1216:20OTP - IST
Nonstop1h 50mTAROM
Thu 4/1211:40IST - OTP
Nonstop1h 15mTAROM
Deal found 19/11£126
Wed 10/1204:30OTP - IST
1 stop22h 50mAir Serbia
Mon 15/1216:40IST - OTP
1 stop23h 55mAir Serbia
Deal found 19/11£132
Sun 30/1115:50OTP - IST
Nonstop1h 50mTAROM
Wed 3/1211:40IST - OTP
Nonstop1h 45mTAROM
Deal found 19/11£141
Sun 30/1104:30OTP - IST
1 stop10h 25mAir Serbia
Thu 4/1217:35IST - OTP
1 stop10h 35mAir Serbia
Deal found 19/11£142
Sun 30/1104:30OTP - IST
1 stop10h 25mAir Serbia
Sat 6/1217:35IST - OTP
1 stop23h 00mAir Serbia
Deal found 19/11£142
Sun 30/1108:00OTP - IST
Nonstop1h 50mTAROM
Tue 2/1211:40IST - OTP
Nonstop1h 15mTAROM
Deal found 20/11£155
Wed 3/1204:30OTP - IST
1 stop11h 20mAir Serbia
Sat 6/1217:35IST - OTP
1 stop23h 00mAir Serbia
Deal found 19/11£155
Sun 30/1104:30OTP - IST
1 stop10h 25mAir Serbia
Wed 3/1216:40IST - OTP
1 stop11h 30mAir Serbia
Deal found 20/11£158

Cheap flight deals from Otopeni Intl to Istanbul

Discover tips and strategies to find the most affordable flight options for your journey from Otopeni Intl (OTP) to Istanbul (IST). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 November 2025.

Round-trip from

£99

One-way from

£51

Popular in

August

Cheapest in

February

Average price

£126

Good round-trip deal

£308 or less

Good one-way deal

£153 or less
TAROM
  • TAROM
  • 26/3-27/3
  • Nonstop
  • 3h 00m total
  • Bucharest to Istanbul
Search Deals
TAROM
  • TAROM
  • 26/3
  • Nonstop
  • 1h 50m total
  • Bucharest to Istanbul
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£6 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Bucharest Otopeni Intl to Istanbul.
Search Deals
Price to beat on a one-way flight from Bucharest Otopeni Intl to Istanbul.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Otopeni Intl to Istanbul 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, Cheapflights users made 858,174 searches. Data last updated 21 November 2025.
Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport to Istanbul Airport that are best for you.

Fly from

Otopeni Intl

Fly to

Istanbul

Route

Depart

Return

Price

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

Thu 15/1

15:30-18:05

Nonstop1h 35m

Istanbul

Mon 19/1

13:50-14:10

Nonstop1h 20m

£106

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

Tue 10/3

08:35-10:50

Nonstop1h 15m

Istanbul

Tue 10/3

00:15-00:30

Nonstop1h 15m

£111

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

Wed 7/1

15:50-18:40

Nonstop1h 50m

Istanbul

Fri 9/1

00:30-00:45

Nonstop1h 15m

£112

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

Wed 25/3

15:50-18:40

Nonstop1h 50m

Istanbul

Fri 27/3

00:30-00:45

Nonstop1h 15m

£112

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

Wed 4/3

15:50-18:40

Nonstop1h 50m

Istanbul

Fri 6/3

00:30-00:45

Nonstop1h 15m

£112

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

Thu 1/1

21:15-23:30

Nonstop1h 15m

Istanbul

Sat 31/1

23:35-00:20

Nonstop1h 45m

£112

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

Sat 21/2

19:55-22:45

Nonstop1h 50m

Istanbul

Fri 27/2

00:30-00:45

Nonstop1h 15m

£112

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

Wed 3/12

15:50-18:40

Nonstop1h 50m

Istanbul

Sun 7/12

11:40-12:25

Nonstop1h 45m

£112

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

Mon 9/3

21:10-23:25

Nonstop1h 15m

Istanbul

Fri 13/3

00:30-00:45

Nonstop1h 15m

£112

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

Tue 24/3

21:10-23:25

Nonstop1h 15m

Istanbul

Sun 29/3

11:40-12:25

Nonstop0h 45m

£112

Flights are sorted by cheapest return flights first.

Deals found on 20/11

Showing 1-10 of 20 results
1
2

Best time to book a flight from Otopeni Intl to Istanbul

Have a flexible travel schedule? Discover the best time to fly to Istanbul from Otopeni Intl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Bucharest Otopeni Intl Airport to Istanbul Airport

How far ahead should I book a flight from Bucharest Otopeni Intl Airport to Istanbul Airport?

Use this chart to determine the optimal time to book a return flight from Otopeni Intl to Istanbul. Price data was last updated on 14 November 2025.

The best time to book flights from Bucharest Otopeni Intl Airport to Istanbul Airport is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Bucharest Otopeni Intl Airport to Istanbul Airport?

Currently, January is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Istanbul Airport (average of £70). Flying from Bucharest Otopeni Intl Airport to Istanbul Airport in October is currently the most expensive (average of £86). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from OTP to IST?

Find hourly flight availability from Otopeni Intl to Istanbul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 November 2025.

One of the essential ways to save on airfare from Bucharest Otopeni Intl Airport to Istanbul Airport is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 73% on airfare.

How much does it cost for a return flight from Bucharest Otopeni Intl Airport to Istanbul Airport?

Reviews of airlines servicing Istanbul

Get insights into the airlines that provide service to Istanbul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Istanbul. Reviews last updated 21 November 2025.
Read through reviews of airlines operating flights from Bucharest Otopeni Intl Airport to Istanbul Airport, such as Turkish Airlines, Pegasus Airlines, andTAROM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.3
Good
4,044 reviews
Check prices

Boarding

7.3

Food

7.4

Entertainment

7.4

Overall

7.3

Comfort

7.3

Crew

7.7

Reviews

1 / 20
6.0
Good

Christina,Sept 2025

DTW - IST

Crew was fine but the plane seemed smaller like the seats were very crammed in for an international flight. I’m a small person and it felt suffocating to me.
Turkish Airlines
7.3
Good
4,044 reviews
Turkish Airlines
7.3
Good
4,044 reviews
Check prices

Boarding

7.3

Food

7.4

Entertainment

7.4

Overall

7.3

Comfort

7.3

Crew

7.7

Reviews

1 / 20
6.0
Good

Christina,Sept 2025

DTW - IST

Crew was fine but the plane seemed smaller like the seats were very crammed in for an international flight. I’m a small person and it felt suffocating to me.
Pegasus Airlines
6.7
Okay
640 reviews
Turkish Airlines
7.3
Good
4,044 reviews
Check prices

Boarding

7.3

Food

7.4

Entertainment

7.4

Overall

7.3

Comfort

7.3

Crew

7.7

Reviews

1 / 20
6.0
Good

Christina,Sept 2025

DTW - IST

Crew was fine but the plane seemed smaller like the seats were very crammed in for an international flight. I’m a small person and it felt suffocating to me.
TAROM
6.4
Okay
74 reviews
Turkish Airlines
7.3
Good
4,044 reviews
Check prices

Boarding

7.3

Food

7.4

Entertainment

7.4

Overall

7.3

Comfort

7.3

Crew

7.7

Reviews

1 / 20
6.0
Good

Christina,Sept 2025

DTW - IST

Crew was fine but the plane seemed smaller like the seats were very crammed in for an international flight. I’m a small person and it felt suffocating to me.

Related info for your journey

Find useful and relevant information for your journey from Otopeni Intl to Istanbul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Bucharest Otopeni Intl Airport to Istanbul Airport?

    Departing from Bucharest Otopeni Intl Airport to Istanbul Airport will take you 1h 15m. Airlines will cover a distance of 264 mi. All flights are typically direct.

  • What are the cheapest airlines flying from Bucharest Otopeni Intl Airport to Istanbul Airport round-trip?

    According to our current data, Pegasus Airlines (£70), TAROM (£82), and Turkish Airlines (£115) offers the cheapest pricing from Bucharest Otopeni Intl Airport to Istanbul Airport. Users have found that Pegasus Airlines is 43% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Bucharest Otopeni Intl Airport to Istanbul Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Bucharest Otopeni Intl Airport to Istanbul Airport on time: Turkish Airlines (76%), TAROM (76%), Animawings (50%).

  • What are the cheapest flights from Bucharest Otopeni Intl Airport to Istanbul Airport?

    On average you can expect to pay £450 for a flight from Bucharest Otopeni Intl Airport to Istanbul Airport. The cheapest flight overall is £67 while the most popular route, (Bucharest Otopeni Intl - Istanbul) is currently priced at £99.

  • Can I find deals for flights from Otopeni Intl to Istanbul that include hotel bookings?

    Yes. In addition to deals on Otopeni Intl to Istanbul flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Otopeni Intl to Istanbul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Otopeni Intl to Istanbul.

  • Can I find deals for business class flights from Otopeni Intl to Istanbul?

    Yes. Cheapflights offers flight deals from Otopeni Intl to Istanbul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Bucharest Otopeni Intl Airport to Istanbul Airport?

    Currently, January is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Istanbul Airport (average of £70). Flying from Bucharest Otopeni Intl Airport to Istanbul Airport in October is currently the most expensive (average of £86). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Istanbul Airport?

Book flights to Istanbul Airport if you plan to visit one of these locations
Yalova

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Alternative routes for Otopeni Intl to Istanbul

See prices for flight routes from nearby airports that may be better suited for you.
Otopeni Intl to Sabiha Gokcen flights

Top 3 airlines flying from Otopeni Intl to Istanbul

Discover the top 3 airlines that operate flights from Otopeni Intl to Istanbul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Pegasus AirlinesCheapest£70Average£108FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
TAROMCheapest£82Average£100FlexibilityNo cancel feeOn-time86%
Search TAROM flights
Turkish AirlinesCheapest£115Average£141FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Otopeni Intl to Istanbul?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Istanbul from Otopeni Intl today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Otopeni Intl to Istanbul?

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Can Cheapflights find flights from Otopeni Intl to Istanbul with no change fees?

Yes! Cheapflights helps users easily find flights from Otopeni Intl to Istanbul with no change fees.

Can Cheapflights notify me if prices for flights from Otopeni Intl to Istanbul become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Istanbul from Otopeni Intl today and book when prices fit your budget.

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