$249 Find Cheap Flights from Istanbul to Kathmandu - Compare and Save

Only Turkish Airlines operates flights between Istanbul Airport and Kathmandu.

Flights from Istanbul Airport to Kathmandu usually depart from Istanbul (IST) and arrive at Kathmandu Tribhuvan (KTM).

Here are some options for this route, based on selected ticket types and cabin classes:

• Turkish Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Only Economy Class is available on flights from Istanbul Airport to Kathmandu.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $589 round-trip via Kuwait City (KWI), compared to $1,017 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $64–$64 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

One-stop flights from Istanbul Airport to Kathmandu most commonly connect through:

• Sharjah (SHJ) - 52% of one-stop connections
• Dubai Intl (DXB) - 16% of one-stop connections
• Kuwait City (KWI) - 14% of one-stop connections
• Doha Hamad Intl (DOH) - 11% of one-stop connections

Sharjah (SHJ) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 13% on the Istanbul Airport to Kathmandu route. Thursday is the cheapest departure day at $639 round-trip on average, while Sunday is the most expensive at $728, a difference of $89. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Istanbul Airport to Kathmandu route, 22% of flights were delayed in the past 3 months, with delays averaging 1 hour 52 minutes.

Garden of Dreams is one of the most viewed places in Kathmandu on KAYAK.

These are the earliest and latest flight times available from Istanbul Airport to Kathmandu:

• Earliest: departs at 1:30 am and lands at 8:31 am
• Latest: departs at 8:55 pm and lands at 3:56 am.

The flight takes about 7h 01m.

A nonstop flight from Istanbul Airport to Kathmandu takes 7h 01m, covering 3,295 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $554 to $3,160. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Istanbul Airport to Kathmandu are currently lower than usual. Average one-way flight prices are about $296, which is 11% below the typical average for this route.

Turkish Airlines is the only airline operating Istanbul Airport to Kathmandu flights. 78% of its flights are on time.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Doha Hamad Intl (DOH) gives the shortest average 1-stop total travel time at 11h 05m, compared with 12h 07m via Dubai Intl (DXB) and 14h 37m via Sharjah (SHJ).

Kathmandu is 2 hours ahead of Istanbul Airport (Nepal Time vs Turkey Time). Plan for the time shift when scheduling connections or first-day activities.

Round-trip flights from Istanbul Airport to Kathmandu range from $582 to $876, with an average of $659 over the past 12 months. Anything below $582 counts as a good deal.