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CA $1,453 Cheap Flights from Houston (IAH) to Kathmandu (KTM)

View CA $1,453 flight on Thu, Jul 23, 2026Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Tribhuvan Intl. Airport (KTM)

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Cheap flights from Houston (IAH) to Kathmandu (KTM)

Prices were available within the past 7 days and start at CA $1,453 for one-way flights and CA $2,654 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Jul 11 - Sun, Jul 19
IAH
Houston
KTM
Kathmandu
CA $2,654 Roundtrip, found 6 days ago
CA $2,654
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Jul 11 from Houston to Kathmandu, returning Sun, Jul 19, priced at CA $2,654 found 6 days ago
Emirates
Wed, Jul 29 - Tue, Aug 18
IAH
Houston
KTM
Kathmandu
CA $2,665 Roundtrip, found 3 days ago
CA $2,665
Roundtrip
found 3 days ago
Select Emirates flight, departing Wed, Jul 29 from Houston to Kathmandu, returning Tue, Aug 18, priced at CA $2,665 found 3 days ago
Qatar Airways
Mon, Jul 20 - Mon, Aug 10
IAH
Houston
KTM
Kathmandu
CA $2,896 Roundtrip, found 12 hours ago
CA $2,896
Roundtrip
found 12 hours ago
Select Qatar Airways flight, departing Mon, Jul 20 from Houston to Kathmandu, returning Mon, Aug 10, priced at CA $2,896 found 12 hours ago
Qatar Airways
Mon, Jul 20 - Mon, Aug 10
IAH
Houston
KTM
Kathmandu
CA $2,900 Roundtrip, found 12 hours ago
CA $2,900
Roundtrip
found 12 hours ago
Select Qatar Airways flight, departing Mon, Jul 20 from Houston to Kathmandu, returning Mon, Aug 10, priced at CA $2,900 found 12 hours ago
Qatar Airways
Mon, Jul 20 - Sun, Aug 9
IAH
Houston
KTM
Kathmandu
CA $2,959 Roundtrip, found 12 hours ago
CA $2,959
Roundtrip
found 12 hours ago
Select Qatar Airways flight, departing Mon, Jul 20 from Houston to Kathmandu, returning Sun, Aug 9, priced at CA $2,959 found 12 hours ago
Qatar Airways
Mon, Jul 20 - Sun, Aug 9
IAH
Houston
KTM
Kathmandu
CA $2,963 Roundtrip, found 12 hours ago
CA $2,963
Roundtrip
found 12 hours ago
Select Qatar Airways flight, departing Mon, Jul 20 from Houston to Kathmandu, returning Sun, Aug 9, priced at CA $2,963 found 12 hours ago
Qatar Airways
Wed, Jul 29 - Tue, Aug 18
IAH
Houston
KTM
Kathmandu
CA $2,970 Roundtrip, found 3 days ago
CA $2,970
Roundtrip
found 3 days ago
Select Qatar Airways flight, departing Wed, Jul 29 from Houston to Kathmandu, returning Tue, Aug 18, priced at CA $2,970 found 3 days ago
Qatar Airways
Wed, Jul 29 - Tue, Aug 18
IAH
Houston
KTM
Kathmandu
CA $2,974 Roundtrip, found 3 days ago
CA $2,974
Roundtrip
found 3 days ago
Select Qatar Airways flight, departing Wed, Jul 29 from Houston to Kathmandu, returning Tue, Aug 18, priced at CA $2,974 found 3 days ago
Alaska Airlines
Mon, Jul 20 - Mon, Aug 10
IAH
Houston
KTM
Kathmandu
CA $2,984 Roundtrip, found 12 hours ago
CA $2,984
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Mon, Jul 20 from Houston to Kathmandu, returning Mon, Aug 10, priced at CA $2,984 found 12 hours ago
American Airlines
Sat, Jul 11 - Sun, Jul 19
IAH
Houston
KTM
Kathmandu
CA $3,006 Roundtrip, found 6 days ago
CA $3,006
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Jul 11 from Houston to Kathmandu, returning Sun, Jul 19, priced at CA $3,006 found 6 days ago

Frequently asked questions

How much does a flight from Houston, TX (IAH-George Bush Intercontinental) to Kathmandu (KTM-Tribhuvan Intl.) cost?
You can find one-way and return flights from IAH to KTM with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when IAH to KTM ticket fares go up or down.
What is the cheapest month to fly from Houston, TX (IAH-George Bush Intercontinental) to Kathmandu (KTM-Tribhuvan Intl.)?
The cheapest months to fly from IAH to KTM are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Houston, TX (IAH) to Kathmandu (KTM)?
Enter IAH to KTM and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Houston, TX (IAH) to Kathmandu (KTM)?
To find a cheap flight from Houston, TX (IAH) to Kathmandu (KTM), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Houston, TX (IAH-George Bush Intercontinental) to Kathmandu (KTM-Tribhuvan Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Houston, TX (IAH-George Bush Intercontinental) to Kathmandu (KTM-Tribhuvan Intl.)?
There are approximately 46 connecting flights per day from Houston, TX (IAH-George Bush Intercontinental) to Kathmandu (KTM-Tribhuvan Intl.). Some common connection points include Heathrow (LHR), Dallas-Fort Worth Intl. (DFW), and Dubai Intl. (DXB).
What is the earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Kathmandu (KTM-Tribhuvan Intl.)?
The earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Kathmandu (KTM-Tribhuvan Intl.) typically departs around 1:35 AM. This service is offered by airlines such as EVA Airways and Cathay Pacific. This is a seasonal service active only in July. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Houston, TX (IAH-George Bush Intercontinental) to Kathmandu (KTM-Tribhuvan Intl.)?
You'll generally find the most flights from Houston, TX (IAH-George Bush Intercontinental) to Kathmandu (KTM-Tribhuvan Intl.) on a Thursday, with around 59 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, American Airlines, and Qatar Airways. Flight options are notably more plentiful on Thursdays compared to other days of the week, offering more flexibility for your journey.
What are the most popular departure times for flights from Houston, TX (IAH-George Bush Intercontinental) to Kathmandu (KTM-Tribhuvan Intl.)?
The most popular departure times for flights from George Bush Intercontinental (IAH) to Tribhuvan Intl. (KTM) are in the evening, from 6pm to 9pm. Many major carriers, including Qatar Airways, American Airlines and United, offer flights during this window. Many travellers prefer this time because it allows you to finish your day in Houston and arrive in Kathmandu at a convenient time.
How long does it take to fly from Houston, TX (IAH-George Bush Intercontinental) to Kathmandu (KTM-Tribhuvan Intl.)?
There are no nonstop flights from Houston, TX (IAH-George Bush Intercontinental) to Kathmandu (KTM-Tribhuvan Intl.). The distance between these two airports is approximately 13,600 kilometres. Flights with one stop typically take around 22 hours 44 minutes. If you opt for flights with two or more stops, your travel time will be longer, usually around 25 hours. Keep in mind that actual flight times can vary due to factors like routing, weather, and wind patterns.
Can you fly business or first class from Houston, TX (IAH-George Bush Intercontinental) to Kathmandu (KTM-Tribhuvan Intl.)?
You can fly business class between IAH and KTM. Airlines that offer business class service on this route include:

  • Air France
  • Emirates
  • Alaska Airlines
  • British Airways
  • Turkish Airlines
  • KLM
  • Qatar Airways
  • Republic Airlines
  • Cathay Pacific
  • Delta
  • United
  • American Eagle
  • American Airlines

How do I earn miles on a Houston, TX (IAH) to Kathmandu (KTM) flight with Expedia?
It's easy to earn miles on a Houston, TX (IAH) to Kathmandu (KTM) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Kathmandu (KTM) from Houston, TX (IAH)?
If you're planning to travel to Kathmandu from George Bush Intercontinental (IAH), you can fly directly into Tribhuvan Intl. (KTM). Some flights may connect through major hubs like O'Hare Intl. (ORD), Dallas-Fort Worth Intl. (DFW), or Frankfurt Intl. (FRA) before reaching Kathmandu. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Houston, TX (IAH-George Bush Intercontinental) to Kathmandu (KTM-Tribhuvan Intl.) at the last minute?
Typically, booking a last minute flight from Houston, TX (IAH-George Bush Intercontinental) to Kathmandu (KTM-Tribhuvan Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Houston, TX (IAH-George Bush Intercontinental) to Kathmandu (KTM-Tribhuvan Intl.) flight and hotel package?
Securing a Houston, TX (IAH-George Bush Intercontinental) to Kathmandu (KTM-Tribhuvan Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Houston, TX (IAH) to Kathmandu (KTM)?
If you booked your Houston, TX (IAH) to Kathmandu (KTM) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Tribhuvan Intl.
Airlines serving
Cathay Pacific, Emirates, Qatar Airways, SriLankan Airlines
Roundtrip price
CA $2,654
Distance
13520 km

Book with confidence

Houston to Kathmandu Flights

The easy way to book your flights from Houston to Kathmandu 

With Expedia, it’s simple to find and book flights to Kathmandu from Houston whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Tribhuvan Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Houston to Kathmandu today, tomorrow, or this week.  

 

Save dollars with cheap flights from George Bush Intercontinental, IAH to Tribhuvan Intl., KTM 

Sort your search results by price to find great deals on your flight from Houston to Kathmandu—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Kathmandu from Houston currently is just CA $2,654 rising to CA $3,006.  

Here are more money-saving tips: 

  • Fly in July when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Kathmandu  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Kathmandu from Houston 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Kathmandu with Expedia today.

Houston to Kathmandu Flights

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*Available to Expedia members.