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Cheap flights from Houston George Bush Intcntl Airport to Kathmandu from $459

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Kathmandu departing on 11/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Houston George Bush Intcntl Airport to Kathmandu

Cheap round-trip flights

Enter your travel dates to find the best prices.
IndiGo Logo
9:05 pm - 1:30 pmIAH-KTM
28h 40m2 stops
IndiGo Logo
10:50 am - 7:10 pmKTM-IAH
44h 05m2 stops
$1,009IndiGo
Find Deal
Mon, Dec 1 - Mon, Dec 8
Turkish Airlines Logo
9:05 pm - 11:10 amIAH-KTM
26h 20m1 stop
Turkish Airlines Logo
12:35 pm - 7:10 pmKTM-IAH
42h 20m1 stop
$1,035Turkish Airlines
Find Deal
Thu, Jan 8 - Thu, Jan 22
Turkish Airlines Logo
9:05 pm - 11:10 amIAH-KTM
26h 20m1 stop
Turkish Airlines Logo
12:35 pm - 7:10 pmKTM-IAH
42h 20m1 stop
$1,042Turkish Airlines
Find Deal
Tue, Jan 6 - Wed, Jan 14
IndiGo Logo
9:05 pm - 1:30 pmIAH-KTM
28h 40m2 stops
IndiGo Logo
10:50 am - 7:10 pmKTM-IAH
44h 05m2 stops
$1,057IndiGo
Find Deal
Mon, Nov 17 - Wed, Dec 10
Multiple Airlines Logo
9:05 pm - 9:50 amIAH-KTM
25h 00m2 stops
Multiple Airlines Logo
10:50 am - 12:45 pmKTM-IAH
60h 40m2 stops
$1,062Multiple Airlines
Find Deal
Tue, Jan 20 - Wed, Apr 22
IndiGo Logo
2:55 pm - 12:15 pmIAH-KTM
33h 35m2 stops
IndiGo Logo
10:50 am - 7:10 pmKTM-IAH
44h 05m2 stops
$1,080IndiGo
Find Deal
Sun, Jan 25 - Sun, Feb 15
Multiple Airlines Logo
3:13 pm - 1:30 pmIAH-KTM
34h 32m3 stops
Multiple Airlines Logo
10:50 am - 4:38 pmKTM-IAH
41h 33m3 stops
$1,103Multiple Airlines
Find Deal
Tue, Nov 18 - Wed, Dec 3
Turkish Airlines Logo
9:05 pm - 11:10 amIAH-KTM
26h 20m1 stop
Turkish Airlines Logo
12:35 pm - 7:10 pmKTM-IAH
42h 20m1 stop
$1,105Turkish Airlines
Find Deal
Thu, Jan 8 - Thu, Jan 22
Cathay Pacific Logo
6:05 am - 9:30 pmIAH-KTM
51h 40m2 stops
Cathay Pacific Logo
10:55 pm - 6:59 pmKTM-IAH
31h 49m2 stops
$1,187Cathay Pacific
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Thu, Feb 19 - Mon, Mar 2
Cathay Pacific Logo
1:27 pm - 9:30 pmIAH-KTM
68h 18m2 stops
Cathay Pacific Logo
11:00 pm - 11:21 pmKTM-IAH
35h 06m2 stops
$1,194Cathay Pacific
Find Deal
Mon, Dec 29 - Wed, Jun 10

IndiGo flights from Houston George Bush Intcntl Airport to Kathmandu

Our best IndiGo deals on Houston George Bush Intcntl Airport to Kathmandu flight tickets
IndiGo
Dec 1
IAH9:05 pmHouston George Bush Intcntl
28h 40m
2 stops
KTM1:30 pmKathmandu Tribhuvan
Dec 8
KTM10:50 amKathmandu Tribhuvan
44h 05m
2 stops
IAH7:10 pmHouston George Bush Intcntl
$1,009
Find similar
IndiGo
Nov 11
IAH9:05 pmHouston George Bush Intcntl
28h 40m
2 stops
KTM1:30 pmKathmandu Tribhuvan
Dec 9
KTM10:50 amKathmandu Tribhuvan
44h 05m
2 stops
IAH7:10 pmHouston George Bush Intcntl
$1,033
Find similar
IndiGo
Nov 9
IAH2:55 pmHouston George Bush Intcntl
34h 50m
2 stops
KTM1:30 pmKathmandu Tribhuvan
Nov 17
KTM10:50 amKathmandu Tribhuvan
44h 05m
2 stops
IAH7:10 pmHouston George Bush Intcntl
$1,052
Find similar

Turkish Airlines flights from Houston George Bush Intcntl Airport to Kathmandu

Our best Turkish Airlines deals on Houston George Bush Intcntl Airport to Kathmandu flight tickets
Turkish Airlines
Jan 8
IAH9:05 pmHouston George Bush Intcntl
26h 20m
1 stop
KTM11:10 amKathmandu Tribhuvan
Jan 22
KTM12:35 pmKathmandu Tribhuvan
42h 20m
1 stop
IAH7:10 pmHouston George Bush Intcntl
$1,035
Find similar
Turkish Airlines
Jan 6
IAH9:05 pmHouston George Bush Intcntl
26h 20m
1 stop
KTM11:10 amKathmandu Tribhuvan
Jan 14
KTM12:35 pmKathmandu Tribhuvan
42h 20m
1 stop
IAH7:10 pmHouston George Bush Intcntl
$1,042
Find similar
Turkish Airlines
Jan 8
IAH9:05 pmHouston George Bush Intcntl
26h 20m
1 stop
KTM11:10 amKathmandu Tribhuvan
Jan 22
KTM12:35 pmKathmandu Tribhuvan
42h 20m
1 stop
IAH7:10 pmHouston George Bush Intcntl
$1,105
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport 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, momondo users made 832,500 searches. Data last updated November 3, 2025.
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

HoustonKathmandu

IAH - KTM

IAHKTM

Houston George Bush Intcntl

Mon 12/1

9:05 pm-1:30 pm

2 stops28h 40m

Kathmandu Tribhuvan

Mon 12/8

10:50 am-7:10 pm

2 stops44h 05m

$1,009

HoustonKathmandu

IAH - KTM

IAHKTM

Houston George Bush Intcntl

Thu 1/8

9:05 pm-11:10 am

1 stop26h 20m

Kathmandu Tribhuvan

Thu 1/22

12:35 pm-7:10 pm

1 stop42h 20m

$1,035

HoustonKathmandu

IAH - KTM

IAHKTM

Houston George Bush Intcntl

Tue 1/6

9:05 pm-11:10 am

1 stop26h 20m

Kathmandu Tribhuvan

Wed 1/14

12:35 pm-7:10 pm

1 stop42h 20m

$1,042

HoustonKathmandu

IAH - KTM

IAHKTM

Houston George Bush Intcntl

Mon 11/17

9:05 pm-1:30 pm

2 stops28h 40m

Kathmandu Tribhuvan

Wed 12/10

10:50 am-7:10 pm

2 stops44h 05m

$1,057

HoustonKathmandu

IAH - KTM

IAHKTM

Houston George Bush Intcntl

Tue 1/20

9:05 pm-9:50 am

2 stops25h 00m

Kathmandu Tribhuvan

Wed 4/22

10:50 am-12:45 pm

2 stops60h 40m

$1,062

HoustonKathmandu

IAH - KTM

IAHKTM

Houston George Bush Intcntl

Sun 1/25

2:55 pm-12:15 pm

2 stops33h 35m

Kathmandu Tribhuvan

Sun 2/15

10:50 am-7:10 pm

2 stops44h 05m

$1,080

HoustonKathmandu

IAH - KTM

IAHKTM

Houston George Bush Intcntl

Tue 11/18

3:13 pm-1:30 pm

3 stops34h 32m

Kathmandu Tribhuvan

Wed 12/3

10:50 am-4:38 pm

3 stops41h 33m

$1,103

HoustonKathmandu

IAH - KTM

IAHKTM

Houston George Bush Intcntl

Thu 1/8

9:05 pm-11:10 am

1 stop26h 20m

Kathmandu Tribhuvan

Thu 1/22

12:35 pm-7:10 pm

1 stop42h 20m

$1,105

HoustonKathmandu

IAH - KTM

IAHKTM

Houston George Bush Intcntl

Thu 2/19

6:05 am-9:30 pm

2 stops51h 40m

Kathmandu Tribhuvan

Mon 3/2

10:55 pm-6:59 pm

2 stops31h 49m

$1,187

HoustonKathmandu

IAH - KTM

IAHKTM

Houston George Bush Intcntl

Mon 12/29

1:27 pm-9:30 pm

2 stops68h 18m

Kathmandu Tribhuvan

Wed 6/10

11:00 pm-11:21 pm

2 stops35h 06m

$1,194

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Kathmandu from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Kathmandu

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Houston George Bush Intcntl Airport and Kathmandu?

What is the cheapest month to fly to Kathmandu?

The month of August is another great option to travel to Kathmandu, with average flight prices from Houston George Bush Intcntl Airport averaging around $1,282.

What is the cheapest day to depart on your flight to Kathmandu?

According to our data, Monday is the cheapest day to fly to Kathmandu from Houston George Bush Intcntl Airport. The lowest ticket price found for a Monday departure recently was $1,427. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Houston George Bush Intcntl Airport to Kathmandu on a Wednesday will generally be more expensive and average around $1,727. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Kathmandu?

In the afternoon is the cheapest time of day to fly from Houston George Bush Intcntl Airport to Kathmandu when you can find flight prices for as low as $1,489. Flying to Kathmandu in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive with an average ticket price of $2,094.

How far in advance should I book a flight to Kathmandu?

You are more likely to see cheaper flights to Kathmandu from Houston George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Kathmandu for around $1,547 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kathmandu from Houston George Bush Intcntl Airport for as low as $1,398 on momondo.

Can stopping save me money on Houston George Bush Intcntl Airport to Kathmandu flights?

You could potentially save up to 8% on your flight if you consider stops on a Houston George Bush Intcntl Airport to Kathmandu flight.

How have Houston George Bush Intcntl Airport to Kathmandu flight prices changed over time?

When to book flights from Houston George Bush Intcntl Airport to Kathmandu

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Kathmandu according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Kathmandu (IAH to KTM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Kathmandu

Direct flights

None
There are no direct flights from Houston George Bush Intcntl Airport to Kathmandu. There are no popular flight routes from Houston George Bush Intcntl Airport to Kathmandu.
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  • How far is Houston George Bush Intcntl to Kathmandu Tribhuvan by plane?

    There are 8443.7 mi between Houston George Bush Intcntl and Kathmandu Tribhuvan. 25h 00m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Kathmandu Tribhuvan Airport?

    Prices for flights from Houston George Bush Intcntl Airport to Kathmandu Tribhuvan Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Kathmandu Tribhuvan Airport?

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to Kathmandu Tribhuvan Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston George Bush Intcntl Airport to Kathmandu Tribhuvan Airport.

  • What documentation or ID do you need to fly to Kathmandu Tribhuvan Airport?

    The travel and health documents you'll need for your trip to Kathmandu Tribhuvan Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kathmandu Tribhuvan Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Houston George Bush Intcntl Airport to Kathmandu?

Best airlines flying from Houston George Bush Intcntl Airport to Kathmandu

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Kathmandu with momondo
Airline
Rating
Free Cancellation
Price
EmiratesPriceFrom $859Free CancellationRating
8.1
3,400 reviews
Search Emirates flights
Singapore AirlinesPriceFrom $1,183Free CancellationRating
8.1
1,391 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom $1,203Free CancellationRating
7.4
3,659 reviews
Search Qatar Airways flights
IndiGoPriceFrom $1,207Free CancellationRating
6.9
494 reviews
Search IndiGo flights
Turkish AirlinesPriceFrom $1,209Free CancellationRating
7.3
4,039 reviews
Search Turkish Airlines flights

Traveling to a place near Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
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Why use momondo?

Why should I use momondo to find a flight deal from Houston to Kathmandu?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Kathmandu from Houston.

Can I find flights from Houston to Kathmandu with flexible booking policies on momondo?

Yes. All flights to Kathmandu from Houston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Houston to Kathmandu?

Once you have performed a search for Houston to Kathmandu flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Houston to Kathmandu right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Houston to Kathmandu now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Kathmandu and let you know when they change.

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