Cheap flights from Istanbul Airport to Southeast Asia from £180

IST — BKK
30 Sep — 7 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Istanbul to Southeast Asia

Enter your travel dates to find the best prices.

Cheapest flights from Istanbul to Southeast Asia

Tue 13/1014:10 -
1 stop31h 10m
Mon 19/1003:15 -
1 stop15h 05m
Deal found 28/8£372
Tue 29/914:10 -
1 stop31h 10m
Mon 12/1003:15 -
1 stop15h 05m
Deal found 30/8£377
Tue 1/913:50 -
1 stop31h 30m
Sat 31/1009:50 -
1 stop32h 30m
Deal found 27/8£380
Wed 28/1014:05 -
1 stop13h 55m
Sun 8/1109:50 -
1 stop32h 30m
Deal found 30/8£383
Fri 18/914:10 -
1 stop14h 00m
Fri 9/1010:00 -
1 stop32h 20m
Deal found 28/8£385
Thu 1/1014:10 -
1 stop14h 00m
Sat 31/1009:50 -
1 stop32h 30m
Deal found 30/8£391
Wed 30/918:05 -
1 stop34h 05m
Mon 12/1003:15 -
1 stop15h 05m
Deal found 30/8£393
Tue 17/1118:30 -
1 stop32h 15m
Wed 17/320:40 -
2 stops20h 05m
Deal found 30/8£394
Thu 29/1014:05 -
1 stop13h 55m
Sun 8/1109:50 -
1 stop32h 30m
Deal found 31/8£395
Wed 21/1018:05 -
1 stop34h 05m
Thu 29/1003:05 -
1 stop19h 45m
Deal found 28/8£396
Mon 23/1116:20 -
1 stop13h 00m
Thu 10/1219:15 -
1 stop24h 05m
Deal found 30/8£397
Sun 13/915:35 -
1 stop14h 10m
Sun 20/920:15 -
1 stop22h 35m
Deal found 27/8£400

Find flight deals from Istanbul to Southeast Asia

Round-trip from

£372

One-way from

£180

Popular in

December

Cheapest in

April

Average price

£458
Air Arabia
  • Air Arabia
  • 13/10-19/10
  • 2 total stops
  • 46h 15m total
  • Istanbul to Southeast Asia
Oman Air
  • Oman Air
  • 29/9
  • 1 total stop
  • 19h 30m total
  • Istanbul to Southeast Asia
Highest demand for flights based on searches. 2% potential increase in price (£6 potential increase over avg. return price).
Cheapest flight prices on average. 0% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in August 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Istanbul Airport to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IstanbulBangkok

IST Istanbul - BKK Bangkok Suvarnabhumi

ISTBKK

Istanbul

Thu 4/2

14:10-10:05

1 stop15h 55m

Bangkok Suvarnabhumi

Mon 15/2

03:00-12:45

1 stop13h 45m

£425

IstanbulBangkok

IST Istanbul - BKK Bangkok Suvarnabhumi

ISTBKK

Istanbul

Fri 5/2

14:10-10:05

1 stop15h 55m

Bangkok Suvarnabhumi

Sat 13/2

11:35-22:40

1 stop15h 05m

£425

IstanbulBangkok

IST Istanbul - BKK Bangkok Suvarnabhumi

ISTBKK

Istanbul

Thu 15/10

06:25-09:45

1 stop23h 20m

Bangkok Suvarnabhumi

Mon 5/4

20:15-05:25

1 stop13h 10m

£440

IstanbulBangkok

IST Istanbul - BKK Bangkok Suvarnabhumi

ISTBKK

Istanbul

Tue 13/10

15:50-09:45

1 stop13h 55m

Bangkok Suvarnabhumi

Tue 6/4

20:15-05:25

1 stop13h 10m

£440

IstanbulBangkok

IST Istanbul - BKK Bangkok Suvarnabhumi

ISTBKK

Istanbul

Sun 7/2

06:30-09:20

1 stop22h 50m

Bangkok Suvarnabhumi

Mon 1/3

19:15-05:30

1 stop14h 15m

£442

IstanbulBangkok

IST Istanbul - BKK Bangkok Suvarnabhumi

ISTBKK

Istanbul

Tue 1/12

20:10-19:25

1 stop19h 15m

Bangkok Suvarnabhumi

Tue 15/12

03:00-18:40

1 stop19h 40m

£449

IstanbulKuala Lumpur

IST Istanbul - KUL Kuala Lumpur Intl

ISTKUL

Istanbul

Mon 12/10

13:45-08:25

1 stop13h 40m

Kuala Lumpur Intl

Wed 28/10

21:40-12:50

1 stop20h 10m

£487

IstanbulKuala Lumpur

IST Istanbul - KUL Kuala Lumpur Intl

ISTKUL

Istanbul

Wed 18/11

13:55-19:45

1 stop24h 50m

Kuala Lumpur Intl

Fri 4/12

09:30-12:50

1 stop32h 20m

£517

IstanbulKuala Lumpur

IST Istanbul - KUL Kuala Lumpur Intl

ISTKUL

Istanbul

Wed 14/10

20:05-15:10

1 stop14h 05m

Kuala Lumpur Intl

Mon 26/10

18:05-12:20

2 stops23h 15m

£532

IstanbulKuala Lumpur

IST Istanbul - KUL Kuala Lumpur Intl

ISTKUL

Istanbul

Mon 25/1

06:30-15:30

2 stops28h 00m

Kuala Lumpur Intl

Mon 8/2

17:35-15:20

2 stops26h 45m

£544

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 43 resultsSorted by cheapest first
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Best time to book a flight from Istanbul to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Istanbul with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Istanbul Airport to Southeast Asia

What is the cheapest month to book a flight from Istanbul Airport to Southeast Asia?

Currently, April is the cheapest month in which you can book a flight from Istanbul Airport to Southeast Asia (average of £510). Flying from Istanbul Airport to Southeast Asia in August is currently the most expensive (average of £601). 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 IST to YJX?

When flying from Istanbul Airport to Southeast Asia, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 42% versus a flight in the morning.

Weekly flight availability from Istanbul Airport to Southeast Asia

The most flights from IST to zzYJX are scheduled on a Friday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

How far ahead should I book a flight from Istanbul Airport to Southeast Asia?

The price you pay for your flight from Istanbul Airport to Southeast Asia may vary depending on when you book. For the best chance of a lower fare, look to book 53 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Southeast Asia

Get a feel of what it's like to fly with Singapore Airlines,Qatar Airways, andTurkish Airlines from Istanbul Airport to Southeast Asia by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.2

Crew

8.6

Entertainment

8.1

Food

7.8

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Overall

8.2

Crew

8.6

Entertainment

8.1

Food

7.8

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Overall

8.2

Crew

8.6

Entertainment

8.1

Food

7.8

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Overall

8.2

Crew

8.6

Entertainment

8.1

Food

7.8

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Overall

8.2

Crew

8.6

Entertainment

8.1

Food

7.8

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Overall

8.2

Crew

8.6

Entertainment

8.1

Food

7.8

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Related info for your journey

  • How long is the flight from Istanbul Airport to Southeast Asia?

    For as low as £425, Air Arabia can have you in Southeast Asia from Istanbul Airport in 15h 55m. The distance from Istanbul Airport to Southeast Asia is about 4665 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Istanbul Airport to Southeast Asia one-way?

    For one-way options, check prices for IndiGo. According to our data, you can fly for as low as £135. Users have also found prices from £147 and £171 on AirAsia X and Royal Jordanian, respectively.

  • What are the most reliable airlines from Istanbul Airport to Southeast Asia?

    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 Istanbul Airport to Southeast Asia on time: Cambodia Angkor Air (81%), Turkish Airlines (81%), Thai Airways (81%).

  • What are the cheapest flights from Istanbul Airport to Southeast Asia?

    While on average a flight from Istanbul Airport to Southeast Asia is generally £808, our data shows the cheapest flight currently is £247. When looking at the most popular route, (Istanbul - Bangkok Suvarnabhumi), you can expect to pay £366 for that flight.

  • Can I find deals for flights from Istanbul to Southeast Asia that include hotel bookings?

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

  • How can I find direct flights from Istanbul to Southeast Asia?

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

  • Can I find deals for business class flights from Istanbul to Southeast Asia?

    Yes. Cheapflights offers flight deals from Istanbul to Southeast Asia 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 Istanbul Airport to Southeast Asia?

    Currently, April is the cheapest month in which you can book a flight from Istanbul Airport to Southeast Asia (average of £510). Flying from Istanbul Airport to Southeast Asia in August is currently the most expensive (average of £601). 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

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Istanbul to Southeast Asia

AirlineCheapestAverageFlexibilityOn-time
IndiGoCheapest£148Average£403FlexibilityNo cancel feeOn-time80%
Search IndiGo flights
Air ArabiaCheapest£232Average£455FlexibilityNo cancel feeOn-time79%
Search Air Arabia flights
Turkish AirlinesCheapest£238Average£478FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Royal JordanianCheapest£296Average£339FlexibilityNo cancel feeOn-time61%
Search Royal Jordanian flights
Oman AirCheapest£322Average£343FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
Gulf AirCheapest£353Average£445FlexibilityNo cancel feeOn-time67%
Search Gulf Air flights
Kuwait AirwaysCheapest£361Average£413FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
Etihad AirwaysCheapest£362Average£417FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
SAUDIACheapest£416Average£520FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
Qatar AirwaysCheapest£429Average£525FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

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Can Cheapflights find flights from Istanbul to Southeast Asia with no change fees?

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