$75 Cheap Flights from Delhi (DEL) to Kathmandu (KTM)

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Find available prices by choosing your travel dates.

Cheap Flights from Delhi to Kathmandu (DEL-KTM)

Prices were available within the past 7 days and start at $75 for one-way flights and $160 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air India
Air India
Air India
Air India
Air India
Air India
IndiGo
FlexFlight
SriLankan Airlines
Air Arabia
Flights from Delhi (DEL) to Kathmandu (KTM)
Origin airport
Indira Gandhi Intl.
Destination airport
Tribhuvan Intl.
Airlines serving
Air Arabia, Air India, FlexFlight, IndiGo, SpiceJet, SriLankan Airlines
Roundtrip price
$151
Distance
507 mi

Delhi to Kathmandu Flights

The cheapest times to fly from Delhi 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 Delhi to Kathmandu are during the month of August. You can find some of the cheapest flights from Delhi to Kathmandu with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Delhi to Kathmandu

Sunday is one of the best days to book for cheap flights from Delhi 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 Delhi 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 Delhi to Kathmandu in 2025. You can also book with separate airlines for your outbound and return journeys, from $75 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 Delhi 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 Delhi 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 long does it take to fly from Delhi Airport to Tribhuvan Intl. Airport?
A direct flight with IndiGo takes around 1 hour and 45 minutes. Take the 7:50AM flight from DEL and come in to land at Tribhuvan Intl. Airport at 9:50AM. Walk away with an awesome deal on this and other routes when you book your ticket with Expedia.
Is it cheaper to buy a plane ticket from Delhi Airport to Tribhuvan Intl. Airport (KTM) last minute?
When it’s time to book your flights, being organized pays off. While it’s possible to pick up a deal on a Delhi Airport to Tribhuvan Intl. Airport (KTM) flight at the last minute, prices usually don’t get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days ahead. For international flights it’s between three and four months.
What airports do you fly into for Kathmandu from Delhi?
With Tribhuvan Intl. Airport (KTM), Simara Airport (SIF) and Ramechhap (RHP) to pick from, getting from Delhi to Kathmandu is a snap. The city’s main hub, Tribhuvan Intl. Airport (KTM), is around 2 mi southeast of the downtown area. Apart from the price of fares, consider things like train or bus options from the airport and the distance to your hotel when deciding where to touch down. Get your Kathmandu vacation off to a fun start by checking out Boudhanath and Kathmandu Durbar Square.
What are the most popular departure times for flights from Indira Gandhi Intl. Airport (DEL) to Tribhuvan Intl. Airport?
Between 7:00 AM - 8:00 AM is when you’ll find many Air India flights departing from Delhi Airport to Tribhuvan Intl. Airport (KTM). Our handy tip? Book a trip that departs earlier in the day. With air traffic yet to build up, your chances of traveling on a delay-free flight are higher.
Can I change the date of my flight from Delhi Airport to Tribhuvan Intl. Airport (KTM)?
You can quickly and easily make changes to your Delhi Airport to Tribhuvan Intl. Airport (KTM) journey through the Expedia Trips portal. Before making any amendments, read through the fare rules in your itinerary to find out what the carrier will allow you to do and if fees apply. Some carriers charge a change fee per person, plus any difference in ticket prices. However, if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also check out our Customer Service portal for more useful advice and to chat with our Virtual Agent.

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