$461 Cheap Flights from Kathmandu (KTM) to Islamabad (ISB)

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Cheap Flights from Kathmandu to Islamabad (KTM-ISB)

Prices were available within the past 7 days and start at $461 for one-way flights and $723 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Flights from Kathmandu (KTM) to Islamabad (ISB)
Origin airport
Tribhuvan Intl.
Destination airport
Islamabad Intl.
Roundtrip price
$723
Distance
846 mi

Kathmandu to Islamabad Flights

The cheapest times to fly from Kathmandu to Islamabad

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

The best time to book a flight from Kathmandu to Islamabad

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

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 Islamabad in 2025. You can also book with separate airlines for your outbound and return journeys, from $461 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 Islamabad 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 Islamabad 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

Is it cheaper to buy a plane ticket from Tribhuvan Intl. Airport (KTM) to Islamabad Intl. Airport (ISB) last minute?
Booking your journey from Tribhuvan Intl. Airport to Islamabad Intl. Airport at the last minute could save you a tidy sum if you’re lucky to find a terrific deal. However, airfares don’t typically get cheaper as the departure date nears. If you hold off, flights could also be sold out or the best seats taken (we hope you like the middle seat!). If you don’t want to risk it, book well in advance of the date you want to leave. Don’t forget that some of the biggest bargains can be found up to a year in advance. If your preferred airline hasn’t released its fares yet, check back regularly as deals are updated on Expedia all the time.
What airports do you fly into for Islamabad from Kathmandu?
Kathmandu to Islamabad flights arrive at Islamabad Intl. Airport (ISB). Settle in to your hotel and then visit some of the city’s favorite attractions, such as Faisal Mosque and Centaurus Mall. The airport is roughly 16 mi southwest of the heart of Islamabad.
Can I change the date of my flight from Tribhuvan Intl. Airport to Islamabad Intl. Airport?
Quickly make changes to your Tribhuvan Intl. Airport (KTM) to Islamabad Intl. Airport (ISB) flight by logging in to the Expedia Trips portal. Before you amend times or dates, check out the ticket rules in your itinerary to learn what the carrier will allow you to do and if charges apply. Some airlines charge a change fee per person, on top of any difference in ticket prices. However, if you booked in the last 24 hours, you may be able to cancel for free and arrange new flights. You can also check out our Customer Service portal for more information and to chat with our Virtual Agent.

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*Available to One Key members.