Kathmandu

$570+ Cheap flights from George Bush Intcntl (IAH) to Kathmandu (KTM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — KTM
May 27 — Jun 31
We work with more than 300 partners to bring you better travel deals

Find cheap flights from George Bush Intcntl to Kathmandu with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from George Bush Intcntl to Kathmandu

Cheapest flights from George Bush Intcntl to Kathmandu
Explore the most affordable flight options available from George Bush Intcntl to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 27, 2026.

This Trip.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:15 pm
IAH
-
KTM
2 stops27h 55m
Multiple Airlines
Sun 9/61:25 pm
KTM
-
IAH
2 stops37h 15m
Multiple Airlines
Deal found 4/23$1,227
This Trip.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:05 pm
IAH
-
KTM
2 stops31h 50m
Multiple Airlines
Wed 9/22:05 pm
KTM
-
IAH
2 stops57h 25m
Multiple Airlines
Deal found 4/22$1,270
This Trip.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:05 pm
IAH
-
KTM
2 stops26h 00m
Multiple Airlines
Wed 9/304:40 pm
KTM
-
IAH
2 stops37h 15m
Multiple Airlines
Deal found 4/23$1,296
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:00 pm
IAH
-
KTM
2 stops37h 45m
Multiple Airlines
Thu 10/110:30 pm
KTM
-
IAH
1 stop21h 40m
Multiple Airlines
Deal found 4/23$1,330
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:00 pm
IAH
-
KTM
2 stops37h 45m
Multiple Airlines
Tue 9/2910:30 pm
KTM
-
IAH
1 stop22h 00m
Multiple Airlines
Deal found 4/23$1,331
This Justfly.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:35 pm
IAH
-
KTM
2 stops30h 30m
Multiple Airlines
Thu 5/218:10 am
KTM
-
IAH
2 stops43h 25m
Multiple Airlines
Deal found 4/27$1,346
This Trip.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:15 pm
IAH
-
KTM
2 stops38h 50m
Multiple Airlines
Fri 10/305:10 pm
KTM
-
IAH
2 stops33h 55m
Multiple Airlines
Deal found 4/25$1,355
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:00 pm
IAH
-
KTM
2 stops44h 15m
Multiple Airlines
Tue 9/2910:30 pm
KTM
-
IAH
1 stop22h 00m
Multiple Airlines
Deal found 4/23$1,368
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:00 pm
IAH
-
KTM
2 stops37h 45m
Multiple Airlines
Thu 10/110:30 pm
KTM
-
IAH
1 stop21h 40m
Multiple Airlines
Deal found 4/23$1,373

Find flight deals from George Bush Intcntl to Kathmandu

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Kathmandu (KTM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,227
(Trip.com)

One-way from

$570
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$1,824
Provider with most accurate pricing for Houston George Bush Intcntl-Kathmandu Tribhuvan flight deals.
Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Kathmandu Tribhuvan flights.
From Houston George Bush Intcntl to Kathmandu Tribhuvan
One-way flight from Houston George Bush Intcntl to Kathmandu Tribhuvan
Highest demand for flights based on searches. 11% potential increase in price ($199 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($34 potential savings vs. average RT price).
Average for round-trip flights in April 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Kathmandu that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 27, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Kathmandu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonKathmandu

IAH - KTM

IAHKTM

Houston George Bush Intcntl

Sat 10/10

7:35 pm-6:10 pm

2 stops59h 50m

Kathmandu Tribhuvan

Sat 10/24

7:55 pm-12:14 am

2 stops39h 04m

$1,722

HoustonKathmandu

IAH - KTM

IAHKTM

Houston George Bush Intcntl

Thu 9/3

7:51 pm-9:45 pm

2 stops39h 09m

Kathmandu Tribhuvan

Fri 10/2

11:00 pm-7:42 pm

2 stops55h 27m

$1,782

HoustonKathmandu

IAH - KTM

IAHKTM

Houston George Bush Intcntl

Mon 8/31

7:35 pm-8:05 am

1 stop25h 45m

Kathmandu Tribhuvan

Wed 9/30

3:35 pm-4:50 pm

1 stop36h 00m

$1,785

HoustonKathmandu

IAH - KTM

IAHKTM

Houston George Bush Intcntl

Fri 9/4

10:41 am-9:45 pm

2 stops48h 19m

Kathmandu Tribhuvan

Wed 9/30

11:00 pm-7:42 pm

2 stops55h 27m

$1,832
Quickest round-trip

HoustonKathmandu

IAH - KTM

IAHKTM

Houston George Bush Intcntl

Thu 10/1

6:15 pm-8:50 am

1 stop27h 50m

Kathmandu Tribhuvan

Mon 10/5

6:45 pm-3:55 pm

1 stop31h 55m

$1,898

HoustonKathmandu

IAH - KTM

IAHKTM

Houston George Bush Intcntl

Sat 9/26

7:50 pm-9:45 pm

2 stops39h 10m

Kathmandu Tribhuvan

Thu 10/29

10:55 pm-7:50 pm

2 stops31h 40m

$1,922

HoustonKathmandu

IAH - KTM

IAHKTM

Houston George Bush Intcntl

Tue 9/22

7:00 am-9:50 am

2 stops40h 05m

Kathmandu Tribhuvan

Wed 10/28

6:45 pm-4:20 pm

1 stop32h 20m

$1,968
Cheapest one-way

HoustonKathmandu

IAH - KTM

IAHKTM

Houston George Bush Intcntl

Sat 5/2

11:32 am-9:05 am

2 stops58h 48m

$638

HoustonKathmandu

IAH - KTM

IAHKTM

Houston George Bush Intcntl

Tue 7/28

8:02 pm-4:30 pm

3 stops57h 43m

$656

HoustonKathmandu

IAH - KTM

IAHKTM

Houston George Bush Intcntl

Sun 8/9

9:58 pm-9:50 am

2 stops49h 07m

$679

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/26

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Compare providers for flights from George Bush Intcntl to Kathmandu

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Kathmandu in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
BusinessClassPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Kathmandu flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Kathmandu flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Kathmandu flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Kathmandu flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Kathmandu flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from George Bush Intcntl to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from George Bush Intcntl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to Kathmandu

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Kathmandu?

The best time to book flights from Houston George Bush Intcntl Airport to Kathmandu is 66 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Kathmandu?

Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Kathmandu (average of $1,282). Flying from Houston George Bush Intcntl Airport to Kathmandu in June is currently the most expensive (average of $1,942). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Kathmandu?

Reviews of airlines servicing Kathmandu

Get insights into the airlines that provide service to Kathmandu. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kathmandu. Reviews last updated April 27, 2026.
Peruse reviews from past customers who have flown with Emirates,Qatar Airways, andTurkish Airlines from Houston George Bush Intcntl Airport to Kathmandu to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Kathmandu. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Kathmandu from Houston George Bush Intcntl?

    If you book a flight to Kathmandu from Houston George Bush Intcntl, you will be flying to Tribhuvan, which is the city’s only airport. Kathmandu Tribhuvan (KTM) is located 2.5 mi from the center of Kathmandu. There are 0 flights from Houston George Bush Intcntl to Tribhuvan per day from 4 different airlines.

  • How long is the flight from Houston George Bush Intcntl Airport to Kathmandu?

    Airlines like Cathay Pacific, Emirates, and Qatar Airways fly from Houston George Bush Intcntl Airport to Kathmandu in about 25h 45m. The time it takes to get you to your destination can typically vary by up to 13h 24m. Houston George Bush Intcntl Airport and Kathmandu are separated by a distance of 8445 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Kathmandu round-trip?

    Cheapflights users have booked flights from Houston George Bush Intcntl Airport to Kathmandu round-trip from $757. Other airlines that can offer you cheap pricing are Emirates, from $859, and Turkish Airlines, from $1,149. IndiGo is priced at 51% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from George Bush Intcntl to Kathmandu that include hotel bookings?

    Yes. In addition to deals on George Bush Intcntl to Kathmandu flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from George Bush Intcntl to Kathmandu?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Kathmandu.

  • Can I find deals for business class flights from George Bush Intcntl to Kathmandu?

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Kathmandu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Kathmandu?

    Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Kathmandu (average of $1,282). Flying from Houston George Bush Intcntl Airport to Kathmandu in June is currently the most expensive (average of $1,942). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
Nagarkot

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Kathmandu by adding a car rental and/or hotel reservation to your travel itinerary.

Top 4 airlines flying from George Bush Intcntl to Kathmandu

Discover the top 4 airlines that operate flights from George Bush Intcntl to Kathmandu. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest$859Average$1,612FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$1,149Average$1,332FlexibilityNo cancel feeOn-time77%
IndiGoCheapest$1,207Average$1,582FlexibilityNo cancel feeOn-time80%
Qatar AirwaysCheapest$1,350Average$1,573FlexibilityNo cancel feeOn-time68%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.