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Cheap flights from Bucharest Otopeni Intl Airport to Istanbul Airport from £55

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — IST
16 Jul — 23 Jul1
1 adult

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

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 11 July 2025.

Round-trip from

£107

One-way from

£55

Popular in

August

Cheapest in

February

Average price

£111

Good round-trip deal

£154 or less

Good one-way deal

£86 or less
TAROM
  • TAROM
  • 31/12-13/1
  • Nonstop
  • 3h 05m total
  • Bucharest to Istanbul
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TAROM
  • TAROM
  • 15/10
  • Nonstop
  • 1h 15m total
  • Bucharest to Istanbul
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£3 potential increase over avg. return price).
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Cheapest flight prices on average. 0% potential price decrease (£1 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Bucharest Otopeni Intl to Istanbul.
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Price to beat on a one-way flight from Bucharest Otopeni Intl to Istanbul.
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Find flight deals from Otopeni Intl to Istanbul

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 11 July 2025.

Wed 31/1215:50OTP - IST
Nonstop1h 50mTAROM
Thu 15/111:40IST - OTP
Nonstop1h 15mTAROM
Deal found 9/7£107
Mon 8/915:55OTP - IST
Nonstop1h 30mTurkish Airlines
Sun 14/913:15IST - OTP
Nonstop1h 20mTurkish Airlines
Deal found 10/7£112
Thu 2/1004:30OTP - IST
1 stop11h 20mAir Serbia
Sun 5/1015:40IST - OTP
1 stop11h 25mAir Serbia
Deal found 11/7£129
Fri 15/818:30OTP - IST
1 stop3h 50mMultiple Airlines
Fri 22/815:40IST - OTP
1 stop11h 25mMultiple Airlines
Deal found 10/7£146
Sat 25/1021:00OTP - IST
1 stop13h 35mAegean Airlines
Sat 1/1106:30IST - OTP
1 stop4h 30mAegean Airlines
Deal found 9/7£171
Mon 29/1205:55OTP - IST
1 stop15h 50mLufthansa
Fri 16/106:30IST - OTP
1 stop8h 35mLufthansa
Deal found 9/7£187
Tue 9/918:05OTP - IST
1 stop7h 15mKLM
Sat 13/906:10IST - OTP
1 stop11h 10mKLM
Deal found 9/7£192

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 11 July 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

Wed 31/12

15:50-18:40

Nonstop1h 50m

Istanbul

Tue 13/1

00:15-00:30

Nonstop1h 15m

£107

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

Mon 8/9

15:55-17:25

Nonstop1h 30m

Istanbul

Sun 14/9

13:15-14:35

Nonstop1h 20m

£112

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

Thu 2/10

04:30-15:50

1 stop11h 20m

Istanbul

Sun 5/10

15:40-03:05

1 stop11h 25m

£129

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

Fri 15/8

18:30-22:20

1 stop3h 50m

Istanbul

Fri 22/8

15:40-03:05

1 stop11h 25m

£146

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

Sat 25/10

21:00-10:35

1 stop13h 35m

Istanbul

Sat 1/11

06:30-10:00

1 stop4h 30m

£171

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

Mon 29/12

05:55-22:45

1 stop15h 50m

Istanbul

Sat 17/1

06:30-14:15

1 stop8h 45m

£174

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

Tue 9/9

18:05-01:20

1 stop7h 15m

Istanbul

Sat 13/9

06:10-17:20

1 stop11h 10m

£192

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

Wed 15/10

21:10-22:25

Nonstop1h 15m

£55

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

Fri 1/8

04:30-14:55

1 stop10h 25m

£61

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

Sat 6/9

15:55-17:25

Nonstop1h 30m

£70

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 14 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 27 June 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 £159). Flying from Bucharest Otopeni Intl Airport to Istanbul Airport in August is currently the most expensive (average of £366). 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 11 July 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 in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 71% on airfare.

Weekly flight availability from Bucharest Otopeni Intl Airport to Istanbul Airport

Explore weekly flight availability from Otopeni Intl to Istanbul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 11 July 2025.

The most flights from OTP to IST are scheduled on a Thursday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

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 11 July 2025.
Read through reviews of airlines operating flights from Bucharest Otopeni Intl Airport to Istanbul Airport, such as Aegean Airlines, KLM, andMEA. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.2
Very Good
763 reviews
Check prices

Food

7.4

Overall

8.2

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.2
Very Good
763 reviews
Aegean Airlines
8.2
Very Good
763 reviews
Check prices

Food

7.4

Overall

8.2

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
KLM
7.8
Good
1,372 reviews
Aegean Airlines
8.2
Very Good
763 reviews
Check prices

Food

7.4

Overall

8.2

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
MEA
7.8
Good
104 reviews
Aegean Airlines
8.2
Very Good
763 reviews
Check prices

Food

7.4

Overall

8.2

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Turkish Airlines
7.3
Good
3,896 reviews
Aegean Airlines
8.2
Very Good
763 reviews
Check prices

Food

7.4

Overall

8.2

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Lufthansa
6.8
Okay
7,200 reviews
Aegean Airlines
8.2
Very Good
763 reviews
Check prices

Food

7.4

Overall

8.2

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

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.

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

    According to our current data, TAROM (£107), Turkish Airlines (£112), and Air Serbia (£129) offers the cheapest pricing from Bucharest Otopeni Intl Airport to Istanbul Airport. Users have found that TAROM is 1% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Bucharest Otopeni Intl Airport to Istanbul Airport one-way?

    For one-way options, check prices for TAROM. According to our data, you can fly for as low as £55. Users have also found prices from £61 and £70 on Air Serbia and Turkish Airlines, respectively.

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

    On average you can expect to pay £348 for a flight from Bucharest Otopeni Intl Airport to Istanbul Airport. The cheapest flight overall is £55 while the most popular route, (Bucharest Otopeni Intl - Istanbul) is currently priced at £210.

  • 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 £159). Flying from Bucharest Otopeni Intl Airport to Istanbul Airport in August is currently the most expensive (average of £366). 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 Bucharest Otopeni Intl Airport?

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

Browse thousands of different options on Cheapflights for your next trip

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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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Pegasus AirlinesCheapest£67Average£109FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
TAROMCheapest£79Average£97FlexibilityNo cancel feeOn-time86%
Search TAROM flights
Turkish AirlinesCheapest£96Average£137FlexibilityNo 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?

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Otopeni Intl to Istanbul for you. Better yet — we are completely free to use.

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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