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Cheap flights from Belfast Intl Airport to Istanbul Airport from £116

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — IST
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Cheap flight deals from Belfast Intl to Istanbul

Discover tips and strategies to find the most affordable flight options for your journey from Belfast Intl (BFS) 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 17 October 2025.

Round-trip from

£116

Popular in

May

Cheapest in

March

Average price

£321
1/12-8/12
  • 1/12-8/12
  • 2 total stops
  • 23h 40m total
  • Belfast to Istanbul
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£7 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£8 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Find flight deals from Belfast Intl to Istanbul

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Istanbul
Explore the most affordable flight options available from Belfast Intl to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.

Mon 1/1206:40BFS - IST
1 stop11h 25mMultiple Airlines
Mon 8/1222:40IST - BFS
1 stop12h 15mMultiple Airlines
Deal found 17/10£116
Sat 29/1108:50BFS - IST
1 stop9h 15mMultiple Airlines
Sat 6/1222:40IST - BFS
1 stop13h 15mMultiple Airlines
Deal found 15/10£137
Fri 14/1121:05BFS - IST
2 stops23h 00mMultiple Airlines
Fri 21/1122:00IST - BFS
1 stop13h 20mMultiple Airlines
Deal found 15/10£144
Tue 23/1220:25BFS - IST
2 stops19h 00mMultiple Airlines
Sat 27/1222:00IST - BFS
1 stop13h 25mMultiple Airlines
Deal found 16/10£254
Mon 27/1022:20BFS - IST
1 stop12h 15mMultiple Airlines
Wed 29/1014:50IST - BFS
2 stops21h 30mMultiple Airlines
Deal found 17/10£279
Mon 20/1014:40BFS - IST
1 stop7h 10mMultiple Airlines
Fri 24/1020:35IST - BFS
1 stop13h 50mMultiple Airlines
Deal found 16/10£297

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast 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 17 October 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Istanbul Airport that are best for you.

Fly from

Belfast Intl

Fly to

Istanbul

Route

Depart

Return

Price

BelfastIstanbul

BFS - IST

BFSIST

Belfast Intl

Mon 1/12

06:40-21:05

1 stop11h 25m

Istanbul

Mon 8/12

22:40-07:55

1 stop12h 15m

£116

BelfastIstanbul

BFS - IST

BFSIST

Belfast Intl

Sat 29/11

08:50-21:05

1 stop9h 15m

Istanbul

Sat 6/12

22:40-08:55

1 stop13h 15m

£137

BelfastIstanbul

BFS - IST

BFSIST

Belfast Intl

Fri 14/11

21:05-23:05

2 stops23h 00m

Istanbul

Fri 21/11

22:00-08:20

1 stop13h 20m

£144

BelfastIstanbul

BFS - IST

BFSIST

Belfast Intl

Tue 24/3

08:50-21:05

1 stop9h 15m

Istanbul

Thu 26/3

22:00-08:20

1 stop13h 20m

£197

BelfastIstanbul

BFS - IST

BFSIST

Belfast Intl

Tue 23/12

20:25-18:25

2 stops19h 00m

Istanbul

Sat 27/12

22:00-08:25

1 stop13h 25m

£254

BelfastIstanbul

BFS - IST

BFSIST

Belfast Intl

Mon 27/10

22:20-13:35

1 stop12h 15m

Istanbul

Wed 29/10

14:50-09:20

2 stops21h 30m

£279

BelfastIstanbul

BFS - IST

BFSIST

Belfast Intl

Mon 27/10

07:50-06:45

2 stops19h 55m

Istanbul

Fri 31/10

18:30-14:40

2 stops23h 10m

£333

Flights are sorted by cheapest return flights first.

Deals found on 17/10

Best time to book a flight from Belfast Intl to Istanbul

Have a flexible travel schedule? Discover the best time to fly to Istanbul from Belfast 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 Belfast Intl Airport to Istanbul Airport

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

Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to Istanbul Airport (average of £129). Flying from Belfast Intl Airport to Istanbul Airport in July 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 BFS to IST?

Find hourly flight availability from Belfast 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 17 October 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 27% on flights from Belfast Intl Airport to Istanbul Airport by exploring options for tickets in the evening.

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 17 October 2025.
Check out reviews from past customers who have flown with KLM and British Airways from Belfast Intl Airport to Istanbul Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,404 reviews
Check prices

Overall

7.7

Comfort

7.6

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,404 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Overall

7.7

Comfort

7.6

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,457 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Overall

7.7

Comfort

7.6

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Belfast 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 Belfast Intl Airport to Istanbul Airport round-trip?

    Currently priced at £129, KLM will fly you from Belfast Intl Airport to Istanbul Airport and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on British Airways for as low as £217. Users have found that KLM is 62% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast 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 Belfast Intl Airport to Istanbul Airport?

    Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to Istanbul Airport (average of £129). Flying from Belfast Intl Airport to Istanbul Airport in July 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 Istanbul Airport?

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

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Alternative routes for Belfast Intl to Istanbul

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

Top 2 airlines flying from Belfast Intl to Istanbul

Discover the top 2 airlines that operate flights from Belfast 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 17 October 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£129Average£351FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£217Average£339FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Deals for Belfast Intl to Istanbul flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

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

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

Need flexible booking options for your flight to Istanbul from Belfast Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from Belfast Intl to Istanbul and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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