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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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — IST
4 1月 — 11 1月1
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 67 days in advance, depart on a Friday or Tuesday and return on a Wednesday

Cheap flight deals from Otopeni Intl to Istanbul

Enter your travel dates to find the best prices.

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 5 12月 2025.

週五 12/1210:10OTP - IST
Nonstop1h 20mMultiple Airlines
週五 12/1200:30IST - OTP
Nonstop1h 15mMultiple Airlines
Deal found 3/12£138
週三 3/1215:30OTP - IST
Nonstop1h 35mTurkish Airlines
週五 5/1213:50IST - OTP
Nonstop1h 20mTurkish Airlines
Deal found 3/12£149
週三 17/1215:50OTP - IST
Nonstop1h 50mTAROM
週日 21/1211:40IST - OTP
Nonstop1h 45mTAROM
Deal found 3/12£152
週三 17/1215:30OTP - IST
Nonstop1h 35mTurkish Airlines
週日 21/1208:25IST - OTP
Nonstop1h 20mTurkish Airlines
Deal found 4/12£183
週三 3/1221:50OTP - IST
Nonstop1h 30mTurkish Airlines
週日 7/1208:30IST - OTP
Nonstop1h 20mTurkish Airlines
Deal found 3/12£197
週四 4/1204:30OTP - IST
1 stop10h 25mAir Serbia
週三 10/1216:40IST - OTP
1 stop11h 30mAir Serbia
Deal found 3/12£200
週一 8/1216:05OTP - IST
1 stop23h 45mAir Serbia
週三 10/1216:40IST - OTP
1 stop19h 55mAir Serbia
Deal found 3/12£217
週三 3/1204:30OTP - IST
1 stop11h 20mAir Serbia
週日 7/1216:40IST - OTP
1 stop11h 30mAir Serbia
Deal found 3/12£217
週六 13/1208:35OTP - IST
Nonstop1h 15mMultiple Airlines
週六 13/1218:30IST - OTP
1 stop5h 45mMultiple Airlines
Deal found 3/12£228

Find 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 5 12月 2025.

Round-trip from

£98

One-way from

£51

Popular in

August

Cheapest in

February

Average price

£137

Good round-trip deal

£602 or less

Good one-way deal

£177 or less
TAROM
  • TAROM
  • 18/1-20/1
  • Nonstop
  • 3h 05m total
  • Bucharest to Istanbul
Search Deals
TAROM
  • TAROM
  • 4/2
  • 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 December 2025
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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.
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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 5 12月 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

週四 26/3

15:50-18:40

Nonstop1h 50m

Istanbul

週五 27/3

00:30-00:45

Nonstop1h 15m

£110

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

週一 5/1

16:55-19:10

Nonstop1h 15m

Istanbul

週五 9/1

00:30-00:45

Nonstop1h 15m

£110

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

週一 26/1

21:10-23:25

Nonstop1h 15m

Istanbul

週五 30/1

19:35-20:20

Nonstop1h 45m

£110

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

週二 2/6

21:10-23:25

Nonstop2h 15m

Istanbul

週六 6/6

11:40-11:55

Nonstop0h 15m

£111

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

週三 7/1

08:00-10:50

Nonstop1h 50m

Istanbul

週五 9/1

00:30-00:45

Nonstop1h 15m

£111

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

週日 31/5

19:55-22:45

Nonstop2h 50m

Istanbul

週五 5/6

19:35-20:20

Nonstop0h 45m

£111

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

週四 28/5

15:50-18:40

Nonstop2h 50m

Istanbul

週五 5/6

19:35-20:20

Nonstop0h 45m

£111

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

週四 28/5

15:50-18:40

Nonstop2h 50m

Istanbul

週六 6/6

11:40-11:55

Nonstop0h 15m

£111

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

週一 1/6

21:10-23:25

Nonstop2h 15m

Istanbul

週五 5/6

19:35-20:20

Nonstop0h 45m

£111

BucharestIstanbul

OTP - IST

OTPIST

Bucharest Otopeni Intl

週日 31/5

15:50-18:40

Nonstop2h 50m

Istanbul

週日 7/6

23:35-00:20

Nonstop0h 45m

£111

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 24 results
1
2
3

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 28 November 2025.

The best time to book flights from Bucharest Otopeni Intl Airport to Istanbul Airport is 67 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 £85). 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 5 12月 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 72% 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 5 12月 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
4,079 reviews
Check prices

Overall

7.3

Food

7.4

Boarding

7.3

Crew

7.8

Comfort

7.3

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Chandra,Nov 2025

ATL - IST

TV was not available in Indigo from Istanbul to Delhi. Seat was not moving back. It was jammed.
Turkish Airlines
7.3
Good
4,079 reviews
Turkish Airlines
7.3
Good
4,079 reviews
Check prices

Overall

7.3

Food

7.4

Boarding

7.3

Crew

7.8

Comfort

7.3

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Chandra,Nov 2025

ATL - IST

TV was not available in Indigo from Istanbul to Delhi. Seat was not moving back. It was jammed.
Pegasus Airlines
6.7
Okay
637 reviews
Turkish Airlines
7.3
Good
4,079 reviews
Check prices

Overall

7.3

Food

7.4

Boarding

7.3

Crew

7.8

Comfort

7.3

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Chandra,Nov 2025

ATL - IST

TV was not available in Indigo from Istanbul to Delhi. Seat was not moving back. It was jammed.
TAROM
6.4
Okay
74 reviews
Turkish Airlines
7.3
Good
4,079 reviews
Check prices

Overall

7.3

Food

7.4

Boarding

7.3

Crew

7.8

Comfort

7.3

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Chandra,Nov 2025

ATL - IST

TV was not available in Indigo from Istanbul to Delhi. Seat was not moving back. It was jammed.

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 50m. 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 (£44), TAROM (£79), and Turkish Airlines (£113) offers the cheapest pricing from Bucharest Otopeni Intl Airport to Istanbul Airport. Users have found that Pegasus Airlines is 63% 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 Pegasus Airlines. According to our data, you can fly for as low as £37. Users have also found prices from £48 and £55 on TAROM and Turkish Airlines, respectively.

  • 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 (79%), TAROM (79%), Animawings (60%).

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

    On average you can expect to pay £570 for a flight from Bucharest Otopeni Intl Airport to Istanbul Airport. The cheapest flight overall is £50 while the most popular route, (Bucharest Otopeni Intl - Istanbul) is currently priced at £352.

  • 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 £85). 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 5 12月 2025.
AirlineCheapestAverageFlexibilityOn-time
Pegasus AirlinesCheapest£68Average£106FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
TAROMCheapest£80Average£98FlexibilityNo cancel feeOn-time86%
Search TAROM flights
Turkish AirlinesCheapest£113Average£138FlexibilityNo 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?

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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