$299 Cheap Flights from Kathmandu (KTM) to Istanbul (IST)

Find available prices by choosing your travel dates.

Cheap Flights from Kathmandu to Istanbul (KTM-IST)

Prices were available within the past 7 days and start at $299 for one-way flights and $582 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

IndiGo
IndiGo
Emirates
Emirates
IndiGo
IndiGo
IndiGo
Air Arabia
Sichuan Airlines
Air Arabia Abu Dhabi
Flights from Kathmandu (KTM) to Istanbul (IST)
Origin airport
Tribhuvan Intl.
Destination airport
Istanbul
Airlines serving
Air Arabia, Emirates, IndiGo, KLM, Kuwait Airways, Malaysia Airlines, Qatar Airways, Sichuan Airlines, Thai Airways International, Turkish Airlines, flydubai
Roundtrip price
$582
Distance
3296 mi

Kathmandu to Istanbul Flights

The cheapest times to fly from Kathmandu to Istanbul

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kathmandu to Istanbul are during the month of June. You can find some of the cheapest flights from Kathmandu to Istanbul with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Kathmandu to Istanbul

Sunday is one of the best days to book for cheap flights from Kathmandu to Istanbul: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Kathmandu to Istanbul

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kathmandu to Istanbul in 2025. You can also book with separate airlines for your outbound and return journeys, from $299 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kathmandu to Istanbul flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kathmandu to Istanbul airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Tribhuvan Intl. Airport (KTM) to Istanbul (IST) cost?
Cheap return flights from Tribhuvan Intl. Airport (KTM) to Istanbul (IST) start from $957. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Turkish Airlines flight leaving KTM on May 6 2025 and touching down at IST. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from KTM to IST?
The cheapest flights from KTM to IST are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from KTM to IST?
With fares starting at $655 for a one-way flight from KTM to IST, Turkish Airlines is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from KTM on July 3 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Tribhuvan Intl. Airport (KTM) to Istanbul (IST)?
There aren’t any daily nonstop flights departing from Tribhuvan Intl. Airport (KTM) to Istanbul (IST). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you’ll be soaring above the clouds before you know it.
What day of the week has the most flights from KTM to IST?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on a range of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Tribhuvan Intl. Airport (KTM) to Istanbul (IST)?
To land at Istanbul (IST) on time, book a flight that leaves Tribhuvan Intl. Airport (KTM) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Tribhuvan Intl. Airport (KTM) to Istanbul (IST) last-minute?
Last-minute fares from KTM to IST are generally more expensive. To lock in the lowest rates, start searching for flights well ahead of time. That being said, if you can play around with your travel dates, you may land a cheap ticket just before your departure.
Can I cancel or change the date of my flight from Tribhuvan Intl. Airport (KTM) to Istanbul (IST)?
Typically, you’re able to cancel or reschedule your KTM to IST flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline’s fees and policies on flight changes, or if you want further details, head to our Customer Service portal.

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*Available to One Key members.