Cheap flights from Istanbul to Kathmandu

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Find the cheapest month or even day of the year to fly to Kathmandu

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Flight deals from Istanbul to Kathmandu

Looking for a cheap last-minute deal or the best round-trip flight from Istanbul to Kathmandu? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Istanbul to Kathmandu

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Istanbul to Kathmandu flights are currently cheapest in September.

Direct flights from Istanbul to Kathmandu

Istanbul to Kathmandu: Alternative routes

Compare routes from Istanbul to Kathmandu below. You may find an airport to fly into that's cheaper, faster, or easier than Kathmandu.

Istanbul to Kathmandu: Flight information

The things to know before you go.
Cheapest flight foundC$837
Cheapest month to flySeptember
Average flight time6 hrs, 54 mins
Most popular airlineTurkish Airlines
Average flights per week11

Finding cheap flights from Istanbul to Kathmandu: Frequently asked questions

The best price we found for a round-trip flight from Istanbul to Kathmandu is C$837. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
6 hours and 54 minutes is the average flight time from Istanbul to Kathmandu.
Turkish Airlines flies direct from Istanbul to Kathmandu.
There are 11 flights per week flying from Istanbul to Kathmandu, as of March 2025.
The cheapest month to fly from Istanbul to Kathmandu is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Istanbul Airport to Kathmandu Airport on Sunday, September 14, 2025.
Yes – the average flight time is 6 hours and 54 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kathmandu but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Kathmandu is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, IndiGo and Turkish Airlines offer the cheapest flight tickets to Kathmandu.

Flying from Istanbul Ataturk Airport (IST) to Tribhuvan International Airport (KTM): what you need to know

  • The average time for a direct flight from Istanbul Ataturk Airport to Tribhuvan International Airport is 7 hours 3 minutes. Kathmandu's timezone is UTC+5:47, making Kathmandu 2 hours 47 minutes ahead of Istanbul.

  • Every week, there are 7 flights from Istanbul Ataturk Airport to Tribhuvan International Airport. If you'd like to jet off as early as possible, opt for the 01:20 Turkish Airlines flight. If you're keen to make the most of your day before flying, the latest flight from IST to KTM is 20:20 with Turkish Airlines.

  • Traveling over a peak time like August? Major public holidays and other high seasons can mean longer lines at checkpoints. Play things extra safe and get there up to four hours before international flights and two hours before domestic departures.

  • Flying into Kathmandu (and then seeing more of Nepal!) is a breeze with Turkish Airlines. This popular carrier offers direct flights from Istanbul Ataturk Airport to Tribhuvan International Airport.

  • If you'd like to break up your flight from Istanbul Ataturk Airport to Tribhuvan International Airport, think about adding a stopover. Just uncheck 'Direct flights only' to find a destination that catches your eye. The most popular stopovers on the IST - KTM route include:

    • Hamad International Airport

    • Indira Gandhi International Airport

    • Dubai Airport

  • To see if you need a visa to enter Nepal, contact your carrier and the local embassy or consulate. They'll give you the most up-to-date details, including other paperwork you may need after booking your cheap ticket from IST to KTM.

How to find the cheapest flights from Istanbul Ataturk Airport (IST) to Tribhuvan International Airport (KTM)

  • The best price we've seen for a one-way ticket from Istanbul Ataturk Airport to Tribhuvan International Airport is C$301. The cheapest price for a return flight is C$837. Remember that fares can change due to demand when booking.

  • Score cheap flight tickets from IST to KTM by booking 8 months ahead. Based on our research, that's the sweet spot for bagging a bargain.

  • The cheapest month for flight tickets from Istanbul Ataturk Airport to Tribhuvan International Airport is April. Use the 'Whole month' tool to see the lowest prices if you have flexible dates.

  • Create a Price Alert for cheap flight tickets from IST to KTM. There's no need to check every day to see if prices have fallen. We'll update you when there's a change in price.

  • Use filters to tailor your flights from Istanbul Ataturk Airport to Tribhuvan International Airport. Select your ideal arrival and departure times, airlines and number of stops. Or sort your results by 'Cheapest' to see the best deals.

Handy information about Istanbul Ataturk Airport (IST)

  • Traveling from central Istanbul to Istanbul Ataturk Airport takes about 1 hour and 45 minutes by public transport. If you ride-share, drive or hail a cab, you'll cover the 48 kilometres in 50 minutes or so, depending on traffic.

  • Searching for a convenient hotel close to IST? If you're boarding an early flight from Istanbul Ataturk Airport to Tribhuvan International Airport, these accommodation options will have you sleeping moments from your departure lounge:

Arriving at Tribhuvan International Airport (KTM)

Getting from Tribhuvan International Airport (KTM) to central Kathmandu

  • Tribhuvan International Airport is approximately 5 kilometres from the center of Kathmandu. With a cab or in your own car rental, the drive is around 16 minutes.

When to fly to Tribhuvan International Airport (KTM)

  • October is the busiest month for flights from Istanbul Ataturk Airport to Tribhuvan International Airport. To escape the crowds, travel to Kathmandu in February.

  • When reserving your flight from Istanbul Ataturk Airport to Tribhuvan International Airport, think about the type of weather you enjoy. June is the warmest month in Kathmandu, with the temperature ranging from 17ºC to 28ºC.

  • Look for cheap flight tickets from IST to KTM in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 3ºC and 18ºC on average.

More about Kathmandu

Complete your Kathmandu trip with hotels and a car rental

  • Once you've secured your cheap ticket to Tribhuvan International Airport, browse the lowest prices and exclusive offers on hotels. You can also compare hundreds of car rental companies in one place to get the best car rental price for your Kathmandu trip.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.