Cheap Flights from Houston to Kathmandu

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? 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 March.

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 foundر.ق.‏ 1,591
Cheapest month to flyMarch

Finding cheap flights from Houston to Kathmandu: Frequently asked questions

The best price we found for a return flight from Houston to Kathmandu is ر.ق.‏ 3,695. 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 ر.ق.‏ 3,695.
As of February 2026, there are no flights flying from Houston to Kathmandu.
The cheapest month to fly from Houston to Kathmandu is usually March.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to Kathmandu Airport on Thursday, 26 March 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 Frontier Airlines .

Travelling from Houston to Tribhuvan International Airport (KTM): What you need to know

  • Lay the groundwork for your adventure by considering where you'll catch 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 ten hours 48 minutes ahead of Houston. Tribhuvan International Airport is located in Kathmandu.

  • Get to the airport on time so you don't miss your flight from Houston to KTM. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • If you're taking off during a bank holiday or other peak period, give yourself extra time. Get there two hours ahead of domestic flights and up to four hours before international departures. Lines at check-in and security will be longer.

Airports in Houston

George Bush Intercontinental Airport (IAH)

  • We make it a piece of cake to book cheap flights from Houston to KTM that include a stopover. To explore all the options departing from George Bush Intercontinental Airport (IAH), deselect 'Direct flights only.' Then, simply choose a flight that has a stop long enough to tour your chosen city. Major stopovers between IAH and KTM include:

    • Istanbul Ataturk Airport (IST)

    • Dubai Airport (DXB)

    • Hamad International Airport (DOH)

  • The journey from central Houston to IAH takes about 50 minutes by public transport. If you ride-share, drive or grab a cab, you'll cover the 27 kilometres in 20 minutes or so, depending on traffic.

  • Have an early flight from Houston to Tribhuvan International Airport? Avoid the stress of rushing to the terminal (and get some extra shut-eye) by staying at one of these stays near George Bush Intercontinental Airport:

  • When it comes to George Bush Intercontinental Airport's on-time performance, data shows 78.42% of flights stick to their scheduled arrival time.

  • IAH is located at 16930 JFK Boulevard.

William P. Hobby Airport (HOU)

About Tribhuvan International Airport (KTM)

  • Have a late flight from Houston to Tribhuvan International Airport? Don't let it stretch your travel day into tomorrow. Check in to one of these hotels near KTM and give yourself a well-earned lights-out:

  • Pick up a Tribhuvan International Airport rental car and explore corners of Kathmandu that are off the usual tourist route. Find your perfect set of wheels with Spark Car.

  • Booking your vehicle around one week ahead of your Houston to Tribhuvan International Airport flight can help you get a cheaper deal.

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

  • ر.ق.‏ 1,591 is currently the best price for a one-way ticket from Houston to Tribhuvan International Airport. Return flights start from ر.ق.‏ 3,695. These prices may change depending on availability and demand.

  • Booking in advance is often the key to scoring a cheap flight from Houston to KTM. Fares tend to rise as seats fill up, so the closer your departure date, the more it could cost you.

  • Cheap Houston to Tribhuvan International Airport tickets are easier to find when your dates are flexible. Use the 'Whole month' tool to compare fares across every month and then pick the cheapest day.

  • Snapping up a cheap flight ticket from Houston to KTM is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know when there's a price drop.

  • Uncover a great deal on a flight from Houston to Tribhuvan International Airport with the help of the filters. Pick your ideal arrival and departure times, number of stops and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest.'

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

  • October is when most people book flights from Houston to Tribhuvan International Airport (KTM). Plan your visit to Kathmandu in February for a more laid-back experience.

  • When booking your Houston to KTM flight ticket, consider the kind of weather forecast you're hoping for. June is the warmest month in Kathmandu, with temperatures ranging from 17ºC to 28ºC.

  • January sees temperatures of between 3ºC and 18ºC. Look for cheap tickets from Houston to Tribhuvan International Airport around that time if you like cooler conditions.

More about Kathmandu

  • When it comes to looking for somewhere to lay your head, you'll find the best places to stay in Kathmandu right here. Check out these options once you've locked in your flight from Houston to Tribhuvan International Airport:

  • You'll find plenty of things to do in Kathmandu when you're ready to go sightseeing. Head straight for Kathmandu Durbar Square followed by Annapurna Base Camp Trek and Himalaya Discovery.

Explore more of Nepal

  • Kathmandu has its own special appeal, but there are so many other corners of Nepal waiting to be discovered. Around 145 kilometres north-west of Kathmandu, a visit to Pokhara will keep your itinerary packed. Check out popular attractions like Viewpoint, Pokhara Lakeside and Sarangkot sunrise pokhara.

  • Biratnagar is another essential stop in Nepal and is around 241 kilometres south-east of Kathmandu. No journey is complete without dropping by Haleshi Mahadev Mandir, Birateshwor Shiva Temple and Shiva Mandir.

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