C$724 Cheap Flights from Houston (HOUA) to Kathmandu (KTM)

Compare Houston to Kathmandu flight deals

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

Book the best Kathmandu fare with no extra fees

Flight deals from Houston to Kathmandu

Looking for a cheap last-minute deal or the best return flight from Houston to Kathmandu Airport? If you want to travel next month, return fares start from C$1,725. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Houston to Kathmandu

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

Houston to Kathmandu: Alternative routes

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

Houston to Kathmandu: Flight information

The things to know before you go.
Cheapest flight foundC$724
Cheapest month to flyApril

Finding cheap flights from Houston to Kathmandu: Frequently asked questions

The best price we found for a return flight from Houston to Kathmandu is C$1,725. 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.
Currently, there are no airlines that fly direct from Houston to Kathmandu. But we found flights with one stop from C$1,729.
As of April 2026, there are no flights flying from Houston to Kathmandu.
The cheapest month to fly from Houston to Kathmandu is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to Kathmandu Airport on Wednesday, May 6, 2026.
No airlines currently offer direct flights between Houston and Kathmandu Airport. Most routes have one or more stops.
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.
The cheapest airline that flies to Kathmandu is Emirates .

Flying from Houston to Tribhuvan International Airport (KTM): what you need to know

  • Start your vacation planning by considering where you'll take off for your flight from Houston to Tribhuvan International Airport (KTM). George Bush Intercontinental Airport (IAH) and William P. Hobby Airport (HOU) are the main airports in Houston.

  • The timezone in Kathmandu is UTC+5:47, which is 10 hours 48 minutes ahead of Houston. Tribhuvan International Airport is located in Kathmandu.

  • To ensure you get on your flight from Houston to KTM, allow plenty of time to check in and drop off your luggage. Turning up two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • With more travellers during busy periods like July, be at your terminal even earlier. Two hours for domestic flights and up to four for international journeys will help you stay ahead of the crowds. Remember things also get busy during major holidays like July Fourth.

Airports in Houston

George Bush Intercontinental Airport (IAH)

  • We make it simple to plan a flight from Houston to KTM that includes a stopover. To see all your options leaving from George Bush Intercontinental Airport (IAH), deselect 'Direct flights only.' Then, select a flight offering a stop long enough to tour your chosen city. Popular stopovers between IAH and KTM include:

    • Dubai Airport (DXB)

    • Istanbul Ataturk Airport (IST)

    • Hamad International Airport (DOH)

  • IAH is roughly 27 kilometres from central Houston. To help you work out how to get there, use Google Maps. This useful travel app will show you the fastest route and available public transport options.

  • Have an early flight from Houston to Tribhuvan International Airport? Avoid the hassle of rushing to the terminal (and sneak in some extra precious sleep) by picking one of these stays close to George Bush Intercontinental Airport:

William P. Hobby Airport (HOU)

  • Break up your flight from Houston to Tribhuvan International Airport with a stop so you can recharge or cross a new place off your list. Some top stopovers between William P. Hobby Airport and KTM include:

    • Istanbul Ataturk Airport (IST)

    • Hamad International Airport (DOH)

    • Dubai Airport (DXB)

  • You can arrive at HOU from central Houston in about 22 minutes by car (depending on traffic conditions). The ride by public transport takes roughly 1 hour and 42 minutes to travel the 19 kilometres or so.

  • Get your vacation started early with an extra night away from home. Before your flight from Houston to KTM, kick back in one of these hotels near William P. Hobby Airport:

About Tribhuvan International Airport (KTM)

Getting from Tribhuvan International Airport (KTM) to central Kathmandu

  • From Tribhuvan International Airport, Kathmandu is approximately 5 kilometres away. It takes around 16 minutes to get to the centre driving.

How to find the cheapest flights from Houston to Tribhuvan International Airport (KTM)

  • For a one-way ticket from Houston to Tribhuvan International Airport, C$724 is the best price we've seen. You can also book a return flight from just C$1,725. These are the lowest fares right now and may differ depending on availability.

  • To pick up flight tickets from Houston to KTM, book as early as you can. Airlines tend to offer lower fares when flights are first made available.

  • The 'Whole month' search function shows you the cheapest tickets from Houston to Tribhuvan International Airport across the month. It's a great way to snap up a bargain if your dates are flexible.

  • Log into your online account or use the app to set up a Price Alert. We'll notify you straight away if there's a new deal on this route. It's easy to do, and it'll save you time searching for flight tickets from Houston to KTM every day.

  • Tailor your flights with filters. Select your ideal arrival and departure times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Houston to Tribhuvan International Airport.

The best time to fly from Houston to Tribhuvan International Airport (KTM)

  • October is the busiest month for flights from Houston to Tribhuvan International Airport. To steer clear of the crowds, head for Kathmandu in February when things are quieter.

  • The warmest month in Kathmandu is June, with temperatures ranging between 17ºC and 28ºC. Book your flights from Houston to KTM in this month if you enjoy this type of weather.

  • For cooler conditions, look for a cheap flight from Houston to Tribhuvan International Airport in January when temperatures average between 3ºC and 18ºC.

More about Kathmandu

  • Start your Kathmandu trip off on the right foot by choosing the perfect place to stay. As soon as you've booked your flight from Houston to Tribhuvan International Airport, explore our selection of hotels including:

  • Swayambhunath Stupa and Pashupatinath Temple are a couple of leading attractions to add to your Kathmandu must-do list. Keep the sightseeing going at Boudhanath Stupa.

Complete your Kathmandu trip with a car rental

  • We use the same magic that helped you find your cheap flight from Houston to Tribhuvan International Airport to track down your ideal ride. Check out our car rentals in Kathmandu and easily compare your options. Plus we give you all the info you need to know, from the most popular car type to the best time to book.

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