$227 Cheap Flights from Istanbul (IST) to Kathmandu (KTM)

View $227 flight on Tue, Nov 18, 2025Opens in a new window

Popular airlines from Istanbul Airport (IST) to Tribhuvan Intl. Airport (KTM)

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Cheap Flights from Istanbul to Kathmandu (IST-KTM)

Prices were available within the past 7 days and start at $227 for one-way flights and $413 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Arabia
Thu, Nov 13 - Sun, Dec 21
IST
Istanbul
KTM
Kathmandu
$413 Roundtrip, found 2 days ago
$413
Roundtrip
found 2 days ago
Select Air Arabia flight, departing Thu, Nov 13 from Istanbul to Kathmandu, returning Sun, Dec 21, priced at $413 found 2 days ago
Air Arabia
Sun, Nov 16 - Wed, Dec 24
IST
Istanbul
KTM
Kathmandu
$420 Roundtrip, found 2 days ago
$420
Roundtrip
found 2 days ago
Select Air Arabia flight, departing Sun, Nov 16 from Istanbul to Kathmandu, returning Wed, Dec 24, priced at $420 found 2 days ago
Air Arabia
Sun, Nov 16 - Wed, Dec 24
IST
Istanbul
KTM
Kathmandu
$424 Roundtrip, found 2 days ago
$424
Roundtrip
found 2 days ago
Select Air Arabia flight, departing Sun, Nov 16 from Istanbul to Kathmandu, returning Wed, Dec 24, priced at $424 found 2 days ago
Air Arabia
Fri, Nov 14 - Fri, Dec 5
IST
Istanbul
KTM
Kathmandu
$434 Roundtrip, found 2 days ago
$434
Roundtrip
found 2 days ago
Select Air Arabia flight, departing Fri, Nov 14 from Istanbul to Kathmandu, returning Fri, Dec 5, priced at $434 found 2 days ago
Air Arabia
Sun, Nov 16 - Fri, Dec 5
IST
Istanbul
KTM
Kathmandu
$451 Roundtrip, found 2 days ago
$451
Roundtrip
found 2 days ago
Select Air Arabia flight, departing Sun, Nov 16 from Istanbul to Kathmandu, returning Fri, Dec 5, priced at $451 found 2 days ago
IndiGo
Wed, Dec 3 - Wed, Dec 17
IST
Istanbul
KTM
Kathmandu
$451 Roundtrip, found 2 days ago
$451
Roundtrip
found 2 days ago
Select IndiGo flight, departing Wed, Dec 3 from Istanbul to Kathmandu, returning Wed, Dec 17, priced at $451 found 2 days ago
IndiGo
Wed, Dec 3 - Wed, Dec 17
IST
Istanbul
KTM
Kathmandu
$454 Roundtrip, found 2 days ago
$454
Roundtrip
found 2 days ago
Select IndiGo flight, departing Wed, Dec 3 from Istanbul to Kathmandu, returning Wed, Dec 17, priced at $454 found 2 days ago
Kuwait Airways
Thu, Dec 11 - Mon, Dec 15
IST
Istanbul
KTM
Kathmandu
$494 Roundtrip, found 21 hours ago
$494
Roundtrip
found 21 hours ago
Select Kuwait Airways flight, departing Thu, Dec 11 from Istanbul to Kathmandu, returning Mon, Dec 15, priced at $494 found 21 hours ago
Sichuan Airlines
Mon, Dec 15 - Tue, Dec 23
IST
Istanbul
KTM
Kathmandu
$871 Roundtrip, found 19 hours ago
$871
Roundtrip
found 19 hours ago
Select Sichuan Airlines flight, departing Mon, Dec 15 from Istanbul to Kathmandu, returning Tue, Dec 23, priced at $871 found 19 hours ago
Turkish Airlines
Sun, Nov 9 - Thu, Dec 18
IST
Istanbul
KTM
Kathmandu
$1,018 Roundtrip, found 2 days ago
$1,018
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Sun, Nov 9 from Istanbul to Kathmandu, returning Thu, Dec 18, priced at $1,018 found 2 days ago

Alternative airports near Kathmandu

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Tribhuvan Intl. KTM. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $985
KTM
Tribhuvan Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $985
Flights from Istanbul (IST) to Kathmandu (KTM)
Origin airport
Istanbul
Destination airport
Tribhuvan Intl.
Airlines serving
Air Arabia, Cathay Pacific, Emirates, IndiGo, Kuwait Airways, Malaysia Airlines, Qatar Airways, Sichuan Airlines, Singapore Airlines, Thai Airways International, Turkish Airlines, flydubai
Roundtrip price
$412
Distance
3296 mi
Average flight time
7 hours 5 mins

Istanbul to Kathmandu Flights

The cheapest times to fly from Istanbul to Kathmandu

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 Istanbul to Kathmandu are during the month of November. You can find some of the cheapest flights from Istanbul to Kathmandu with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Istanbul to Kathmandu

Sunday is one of the best days to book for cheap flights from Istanbul to Kathmandu: 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 Istanbul to Kathmandu

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 Istanbul to Kathmandu in 2025. You can also book with separate airlines for your outbound and return journeys, from $227 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 Istanbul to Kathmandu 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 Istanbul to Kathmandu 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 Istanbul (IST) to Tribhuvan Intl. Airport (KTM) cost?
Lock in a cheap one-way flight from $227 or cheap return flight from $413 from Istanbul (IST) to Tribhuvan Intl. Airport (KTM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Istanbul (IST) to Tribhuvan Intl. Airport (KTM)?
November is the least expensive month to fly from IST to KTM. Traveling outside of peak seasons is often the key to finding better deals on flights.
Which airlines fly direct from Istanbul (IST) to Tribhuvan Intl. Airport (KTM)?
You can't fly directly from Istanbul (IST) to Tribhuvan Intl. Airport (KTM). However, you can find other airports that offer nonstop flights. Begin your journey at Ataturk Intl. Airport (IST) and fly straight to Kathmandu without any detours.
What is the cheapest airline that flies from Istanbul (IST) to Tribhuvan Intl. Airport (KTM)?
To find the cheapest airline flying from IST to KTM, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Istanbul (IST) to Tribhuvan Intl. Airport (KTM)?
Nonstop flights from Istanbul (IST) to Tribhuvan Intl. Airport (KTM) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IST to KTM?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Istanbul (IST) to Tribhuvan Intl. Airport (KTM)?
To reach Tribhuvan Intl. Airport (KTM) on time, opt for a flight that takes off from Istanbul (IST) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Istanbul (IST) to Tribhuvan Intl. Airport (KTM) last-minute?
Booking your flight from IST to KTM just before your journey is usually more expensive. But if there's some wiggle room with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book an IST to KTM flight and hotel package?
Booking an IST to KTM flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our extensive range of accommodations and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Istanbul (IST) to Tribhuvan Intl. Airport (KTM)?
You can usually cancel or reschedule your IST to KTM flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.