$1,635 Cheap Korean Air flights Houston (IAH) to Kathmandu (KTM)

View $1,635 flight on Sun, Feb 15, 2026Opens in a new window

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$1,635 Cheap Korean Air flights Houston (IAH) to Kathmandu (KTM)

Prices were available within the past 7 days and start at $1,635 for one-way flights and $1,854 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Tue, Aug 12 - Mon, Sep 1
IAH
Houston
KTM
Kathmandu
$1,854 Roundtrip, found 2 days ago
$1,854
Roundtrip
found 2 days ago
Select Korean Air flight, departing Tue, Aug 12 from Houston to Kathmandu, returning Mon, Sep 1, priced at $1,854 found 2 days ago
Flights from Houston (IAH) to Kathmandu (KTM)
Origin airport
George Bush Intercontinental
Destination airport
Tribhuvan Intl.
Airlines serving
Cathay Pacific, Emirates, KLM, Korean Air, Malaysia Airlines, Qatar Airways, Singapore Airlines, SriLankan Airlines, Turkish Airlines
Popular airline
Qatar Airways
Distance
8450 mi

Frequently asked questions

How much is a Korean Air flight from George Bush Intercontinental Airport (IAH) to Tribhuvan Intl. Airport (KTM)?
You'll find affordable return Korean Air flights from $1,854 from IAH to KTM by organizing your results from "Price (lowest to highest)" on Expedia. Or search for options from $1,635 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from IAH to KTM with Korean Air?
July is one of the cheapest months to fly to Kathmandu with Korean Air. You could also find fantastic deals on one-way and return fares in August.
What is the cheapest time to book flights from George Bush Intercontinental Airport (IAH) to Tribhuvan Intl. Airport (KTM) with Korean Air?
To grab affordable flights from IAH to KTM with Korean Air, begin searching about one month before your intended departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Korean Air fly nonstop from George Bush Intercontinental Airport (IAH) to Tribhuvan Intl. Airport (KTM)?
To see if there's a direct journey from IAH to KTM with Korean Air or any other airlines, check the "Nonstop" filter when browsing for tickets.
What is the earliest Korean Air flight from IAH to KTM?
To find the earliest departures from IAH to KTM with Korean Air, sort your results by "Morning" and "Early Morning." Booking an early flight generally means you'll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Korean Air fly into in Kathmandu?
Tribhuvan Intl. Airport (KTM) is the main Kathmandu hub for Korean Air flights from George Bush Intercontinental Airport (IAH).
What kind of luggage can I take on a Korean Air flight from George Bush Intercontinental Airport (IAH) to Tribhuvan Intl. Airport (KTM)?
Korean Air allows travelers to bring 2 checked-in bags weighing up to 50 lb with maximum dimensions of 62 inches on standard economy flights from IAH to KTM. You can also take 1 cabin bag in the cabin. This carry-on luggage must not exceed 21 inches x 15 inches x 7 inches and weigh no more than 39 lb. Baggage policies can vary depending on the cabin class and fare type, so check your booking or Korean Air's website to avoid any extra fees at the airport.
Why fly with Korean Air from IAH to KTM?
With a 5-star airline rating, Korean Air is a top choice for many travelers journeying from IAH to KTM. Plus, if you're a Korean Airlines Skypass and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Korean Air flight from George Bush Intercontinental Airport (IAH) to Tribhuvan Intl. Airport (KTM)?
Changes are typically free within 24 hours of making your booking, but your airline may charge a fee after that time. For further details about altering your flights, check out your "Trips," select your flight and click on "Manage Booking." If you'd like the flexibility to change your plans without being charged, check the "Changes included" and "No cancel fee" filters when planning your trip.

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*Available to One Key members.