What is the cheapest airline that flies from Lambert-St Louis to Kathmandu Tribhuvan?

Qatar Airways is the most popular carrier operating from Lambert-St Louis to Kathmandu Tribhuvan

When did momondo last update prices for flights from Lambert-St Louis Airport to Kathmandu Tribhuvan Airport?

Prices for flights from Lambert-St Louis Airport to Kathmandu Tribhuvan Airport were last updated today.

How many operators does momondo search for flights from Lambert-St Louis Airport to Kathmandu Tribhuvan Airport?

There are 2 operators available for flights from Lambert-St Louis Airport to Kathmandu Tribhuvan Airport as of September 2026.

How old do you have to be to fly from Lambert-St Louis 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 Lambert-St Louis Airport to Kathmandu Tribhuvan Airport.

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

The necessary travel and health documents for your Kathmandu Tribhuvan Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$821 Cheap Flights from St. Louis to Kathmandu in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Kathmandu

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:02 am - 4:25 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

46h 38m2 stops Seattle/Tacoma Intl Doha Hamad Intl

5:40 pm - 11:59 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

42h 04m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,275Qatar Airways

Wed, Oct 28 - Wed, Nov 4

6:00 am - 9:50 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

40h 05m2 stops Seattle/Tacoma Intl Doha Hamad Intl

5:40 pm - 11:59 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

42h 04m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,293Qatar Airways

Tue, Nov 10 - Sat, Dec 12

7:02 am - 2:15 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

44h 28m2 stops Seattle/Tacoma Intl Doha Hamad Intl

5:40 pm - 3:06 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

57h 11m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,391Qatar Airways

Wed, Oct 21 - Sat, Dec 12

7:02 am - 5:45 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

47h 58m2 stops Seattle/Tacoma Intl Doha Hamad Intl

5:40 pm - 3:06 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

57h 11m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,391Qatar Airways

Thu, Oct 22 - Sat, Dec 12

6:15 pm - 8:20 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

50h 20m2 stops Miami Doha Hamad Intl

6:45 pm - 11:44 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

40h 44m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,396Qatar Airways

Mon, Nov 2 - Tue, Feb 23

6:00 am - 9:50 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

40h 05m2 stops Seattle/Tacoma Intl Doha Hamad Intl

6:45 pm - 8:26 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

37h 26m2 stops Doha Hamad Intl Philadelphia

$1,400Qatar Airways

Tue, Nov 10 - Thu, Dec 10

6:00 am - 9:50 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

40h 05m2 stops Seattle/Tacoma Intl Doha Hamad Intl

6:45 pm - 7:39 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

36h 39m2 stops Doha Hamad Intl Chicago O'Hare Intl

$1,400Qatar Airways

Tue, Nov 10 - Fri, Dec 11

7:02 am - 5:45 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

47h 58m2 stops Seattle/Tacoma Intl Doha Hamad Intl

9:35 am - 12:51 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

63h 01m2 stops Doha Hamad Intl Philadelphia

$1,420Qatar Airways

Thu, Oct 22 - Tue, Nov 17

6:02 am - 5:30 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

48h 43m2 stops Seattle/Tacoma Intl Doha Hamad Intl

5:40 pm - 11:59 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

42h 04m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,467Multiple Airlines

Sat, Oct 31 - Sat, Nov 7

7:02 am - 2:15 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

44h 28m2 stops Seattle/Tacoma Intl Doha Hamad Intl

5:40 pm - 6:17 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

36h 22m2 stops Doha Hamad Intl Chicago O'Hare Intl

$1,472Multiple Airlines

Wed, Oct 21 - Fri, Dec 11

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Qatar Airways flights from St. Louis to Kathmandu

Our best Qatar Airways deals on St. Louis to Kathmandu flight tickets

Qatar Airways

Oct 28

STL7:02 amLambert-St Louis

46h 38m

2 stops

KTM4:25 pmKathmandu Tribhuvan

Nov 4

KTM5:40 pmKathmandu Tribhuvan

42h 04m

2 stops

STL11:59 pmLambert-St Louis

$1,275

Qatar Airways

Nov 10

STL6:00 amLambert-St Louis

40h 05m

2 stops

KTM9:50 amKathmandu Tribhuvan

Dec 12

KTM5:40 pmKathmandu Tribhuvan

42h 04m

2 stops

STL11:59 pmLambert-St Louis

$1,293

Qatar Airways

Oct 21

STL7:02 amLambert-St Louis

44h 28m

2 stops

KTM2:15 pmKathmandu Tribhuvan

Dec 12

KTM5:40 pmKathmandu Tribhuvan

57h 11m

2 stops

STL3:06 pmLambert-St Louis

$1,391

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Wed 10/28

7:02 am-4:25 pm

2 stops46h 38m

Kathmandu Tribhuvan

Wed 11/4

5:40 pm-11:59 pm

2 stops42h 04m

$1,275

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Tue 11/10

6:00 am-9:50 am

2 stops40h 05m

Kathmandu Tribhuvan

Sat 12/12

5:40 pm-11:59 pm

2 stops42h 04m

$1,293

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Wed 10/21

7:02 am-2:15 pm

2 stops44h 28m

Kathmandu Tribhuvan

Sat 12/12

5:40 pm-3:06 pm

2 stops57h 11m

$1,391

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Thu 10/22

7:02 am-5:45 pm

2 stops47h 58m

Kathmandu Tribhuvan

Sat 12/12

5:40 pm-3:06 pm

2 stops57h 11m

$1,391

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Mon 11/2

6:15 pm-8:20 am

2 stops50h 20m

Kathmandu Tribhuvan

Tue 2/23

6:45 pm-11:44 pm

2 stops40h 44m

$1,396

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Tue 11/10

6:00 am-9:50 am

2 stops40h 05m

Kathmandu Tribhuvan

Thu 12/10

6:45 pm-8:26 pm

2 stops37h 26m

$1,400

Quickest round-trip

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Tue 11/10

6:00 am-9:50 am

2 stops40h 05m

Kathmandu Tribhuvan

Fri 12/11

6:45 pm-7:39 pm

2 stops36h 39m

$1,400

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Thu 10/22

7:02 am-5:45 pm

2 stops47h 58m

Kathmandu Tribhuvan

Tue 11/17

9:35 am-12:51 pm

2 stops63h 01m

$1,420

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Sat 10/31

6:02 am-5:30 pm

2 stops48h 43m

Kathmandu Tribhuvan

Sat 11/7

5:40 pm-11:59 pm

2 stops42h 04m

$1,467

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Wed 10/21

7:02 am-2:15 pm

2 stops44h 28m

Kathmandu Tribhuvan

Fri 12/11

5:40 pm-6:17 pm

2 stops36h 22m

$1,472

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis 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

Prices

Airlines

What is the cheapest month to fly to Kathmandu?

The month of February is another great option to travel to Kathmandu, with average flight prices from St. Louis averaging around $1,393.

When to book flights from St. Louis to Kathmandu

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Kathmandu according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap St. Louis to Kathmandu (STL to KTM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Kathmandu

Best Price Found	$821
Fastest flight time	35h 04m
Direct flights	None

The best one-way flight to Kathmandu from St. Louis in the past 72 hours is $821. The best round-trip flight deal from St. Louis to Kathmandu found on momondo in the last 72 hours is $1,275.

The fastest flight from St. Louis to Kathmandu takes 35h 04m

There are no direct flights from St. Louis to Kathmandu. There are no popular flight routes from St. Louis to Kathmandu.

Search flight deals

Frequently asked questions about flying from St. Louis to Kathmandu

How far is Lambert-St Louis to Kathmandu Tribhuvan by plane?
Kathmandu Tribhuvan is 7838.3 mi away from Lambert-St Louis. Typically, this will take 35h 04m by plane in normal conditions.
When did momondo last update prices for flights from Lambert-St Louis Airport to Kathmandu Tribhuvan Airport?
Prices for flights from Lambert-St Louis Airport to Kathmandu Tribhuvan Airport were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Kathmandu Tribhuvan Airport?
There are 2 operators available for flights from Lambert-St Louis Airport to Kathmandu Tribhuvan Airport as of September 2026.
How old do you have to be to fly from Lambert-St Louis 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 Lambert-St Louis Airport to Kathmandu Tribhuvan Airport.
What documentation or ID do you need to fly to Kathmandu Tribhuvan Airport?
The necessary travel and health documents for your Kathmandu Tribhuvan Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from St. Louis to Kathmandu?
momondo data reveals that the most frequently booked airline on the route from St. Louis to Kathmandu is Qatar Airways, representing 90% of all bookings. The subsequent popular airline is Cathay Pacific at 10%.

Best airlines flying from St. Louis to Kathmandu

Compare and see reviews for airlines that fly from St. Louis to Kathmandu with momondo

Airline	Rating	Free Cancellation	Price
Qatar Airways	PriceFrom $1,218	Free Cancellation	Rating 7.4 3,732 reviews		Search Qatar Airways flights
Cathay Pacific	PriceFrom $1,295	Free Cancellation	Rating 7.6 1,486 reviews		Search Cathay Pacific flights

Nagarkot

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis 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 St. Louis.

Can I find flights from St. Louis to Kathmandu with flexible booking policies on momondo?

momondo does allow users to show only those flights to Kathmandu from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to Kathmandu?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Kathmandu from St. Louis.

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

If you are not ready to book a flight from St. Louis 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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Cheap flights from St. Louis to Kathmandu from $821

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Kathmandu departing on 11/18. 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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Qatar Airways flights from St. Louis to Kathmandu

Our best Qatar Airways deals on St. Louis to Kathmandu flight tickets

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How to get the cheapest flight ticket from St. Louis to Kathmandu

What is the cheapest month to fly to Kathmandu?

What is the cheapest airline that flies from Lambert-St Louis to Kathmandu Tribhuvan?

When to book flights from St. Louis to Kathmandu

Cheap St. Louis to Kathmandu (STL to KTM) flight deals and tips

Best Price Found

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Frequently asked questions about flying from St. Louis to Kathmandu

Best airlines flying from St. Louis to Kathmandu

Compare and see reviews for airlines that fly from St. Louis to Kathmandu with momondo

Traveling to a place near Kathmandu?

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An easier way to manage your Kathmandu trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Nepal

Fly your favorite airline to Kathmandu

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Kathmandu

List of cabin classes available on flights landing in Kathmandu. Availability may vary depending on flight origin and airline.

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