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 August 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.

$778 Cheap Flights from St. Louis to Kathmandu in 2026

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.

6:29 am - 2:15 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

45h 01m2 stops Seattle/Tacoma Intl Doha Hamad Intl

3:30 pm - 11:59 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

43h 14m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,279Qatar Airways

Wed, Sep 23 - Wed, Sep 30

6:29 am - 5:30 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

48h 16m2 stops Seattle/Tacoma Intl Doha Hamad Intl

6:00 pm - 11:59 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

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

$1,342Qatar Airways

Thu, Oct 1 - Tue, Oct 20

3:19 pm - 2:15 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

60h 11m2 stops Seattle/Tacoma Intl Doha Hamad Intl

6:45 pm - 11:59 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

39h 59m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,359Multiple Airlines

Sat, Sep 26 - Sat, Oct 3

10:00 am - 2:15 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

41h 30m2 stops Boston Logan 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

$1,403Qatar Airways

Mon, Oct 19 - Wed, Dec 9

7:02 am - 9:50 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

40h 03m2 stops Seattle/Tacoma Intl Doha Hamad Intl

6:45 pm - 10:05 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

39h 05m2 stops Doha Hamad Intl Dallas/Fort Worth

$1,424Qatar Airways

Wed, Oct 28 - Wed, Jan 27

7:02 am - 9:50 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

40h 03m2 stops Seattle/Tacoma Intl Doha Hamad Intl

5:40 pm - 2:04 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

32h 09m2 stops Doha Hamad Intl Dallas/Fort Worth

$1,436Multiple Airlines

Wed, Oct 28 - Wed, Jan 27

7:02 am - 9:50 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

40h 03m2 stops Seattle/Tacoma Intl Doha Hamad Intl

5:40 pm - 2:04 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

32h 09m2 stops Doha Hamad Intl Dallas/Fort Worth

$1,476Multiple Airlines

Fri, Oct 30 - Tue, Jan 26

5:11 pm - 9:45 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

41h 49m2 stops Dallas/Fort Worth Hong Kong Intl

11:00 pm - 9:59 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

33h 44m2 stops Hong Kong Intl Dallas/Fort Worth

$8,523Cathay Pacific

Mon, Sep 21 - Thu, Oct 8

6:30 am - 9:45 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

52h 30m2 stops Los Angeles Hong Kong Intl

11:00 pm - 9:59 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

33h 44m2 stops Hong Kong Intl Dallas/Fort Worth

$8,523Cathay Pacific

Tue, Sep 15 - Thu, Oct 8

6:30 am - 9:45 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

52h 30m2 stops Los Angeles Hong Kong Intl

11:00 pm - 9:59 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

33h 44m2 stops Hong Kong Intl Dallas/Fort Worth

$9,988Cathay Pacific

Fri, Sep 18 - Thu, Oct 8

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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

Sep 23

STL6:29 amLambert-St Louis

45h 01m

2 stops

KTM2:15 pmKathmandu Tribhuvan

Sep 30

KTM3:30 pmKathmandu Tribhuvan

43h 14m

2 stops

STL11:59 pmLambert-St Louis

$1,279

Qatar Airways

Sep 2

STL6:35 amLambert-St Louis

39h 30m

2 stops

KTM8:50 amKathmandu Tribhuvan

Oct 2

KTM6:45 pmKathmandu Tribhuvan

39h 59m

2 stops

STL11:59 pmLambert-St Louis

$1,305

Qatar Airways

Oct 1

STL6:29 amLambert-St Louis

48h 16m

2 stops

KTM5:30 pmKathmandu Tribhuvan

Oct 20

KTM6:00 pmKathmandu Tribhuvan

40h 44m

2 stops

STL11:59 pmLambert-St Louis

$1,342

Air India flights from St. Louis to Kathmandu

Our best Air India deals on St. Louis to Kathmandu flight tickets

Air India

Sep 4

STL5:00 pmLambert-St Louis

36h 45m

2 stops

KTM4:30 pmKathmandu Tribhuvan

Sep 18

KTM7:35 amKathmandu Tribhuvan

43h 16m

3 stops

STL4:06 pmLambert-St Louis

$1,664

Air India

Oct 29

STL8:00 amLambert-St Louis

35h 50m

3 stops

KTM6:35 amKathmandu Tribhuvan

Nov 20

KTM6:30 amKathmandu Tribhuvan

52h 09m

2 stops

STL10:54 pmLambert-St Louis

$2,260

Air India

Oct 9

STL7:08 amLambert-St Louis

30h 12m

3 stops

KTM12:05 amKathmandu Tribhuvan

Oct 16

KTM6:30 amKathmandu Tribhuvan

49h 52m

2 stops

STL9:37 pmLambert-St Louis

$2,661

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 9/23

6:29 am-2:15 pm

2 stops45h 01m

Kathmandu Tribhuvan

Wed 9/30

3:30 pm-11:59 pm

2 stops43h 14m

$1,279

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Thu 10/1

6:29 am-5:30 pm

2 stops48h 16m

Kathmandu Tribhuvan

Tue 10/20

6:00 pm-11:59 pm

2 stops40h 44m

$1,342

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Sat 9/26

3:19 pm-2:15 pm

2 stops60h 11m

Kathmandu Tribhuvan

Sat 10/3

6:45 pm-11:59 pm

2 stops39h 59m

$1,359

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Mon 10/19

10:00 am-2:15 pm

2 stops41h 30m

Kathmandu Tribhuvan

Wed 12/9

5:40 pm-11:59 pm

2 stops42h 04m

$1,403

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Wed 10/28

7:02 am-9:50 am

2 stops40h 03m

Kathmandu Tribhuvan

Wed 1/27

6:45 pm-10:05 pm

2 stops39h 05m

$1,424

Quickest round-trip

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Wed 10/28

7:02 am-9:50 am

2 stops40h 03m

Kathmandu Tribhuvan

Wed 1/27

5:40 pm-2:04 pm

2 stops32h 09m

$1,436

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Fri 10/30

7:02 am-9:50 am

2 stops40h 03m

Kathmandu Tribhuvan

Tue 1/26

5:40 pm-2:04 pm

2 stops32h 09m

$1,476

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Mon 9/21

5:11 pm-9:45 pm

2 stops41h 49m

Kathmandu Tribhuvan

Thu 10/8

11:00 pm-9:59 pm

2 stops33h 44m

$8,523

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Tue 9/15

6:30 am-9:45 pm

2 stops52h 30m

Kathmandu Tribhuvan

Thu 10/8

11:00 pm-9:59 pm

2 stops33h 44m

$8,523

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Fri 9/18

6:30 am-9:45 pm

2 stops52h 30m

Kathmandu Tribhuvan

Thu 10/8

11:00 pm-9:59 pm

2 stops33h 44m

$9,988

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 typical price of a round-trip flight between St. Louis and Kathmandu?

Prices are currently typical for flights on this route.

Typical prices usually range from $1,247 to $1,555.
The lowest price recently found on this route was $1,279.

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 St. Louis averaging around $1,489.

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	$778
Fastest flight time	31h 25m
Direct flights	None

The best one-way flight to Kathmandu from St. Louis in the past 72 hours is $778. The best round-trip flight deal from St. Louis to Kathmandu found on momondo in the last 72 hours is $1,279.

The fastest flight from St. Louis to Kathmandu takes 31h 25m

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 31h 25m 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 August 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 3,725 reviews		Search Qatar Airways flights
Cathay Pacific	PriceFrom $1,295	Free Cancellation	Rating 7.6 1,461 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.

An easier way to manage your Kathmandu trip

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Cheap flights from St. Louis to Kathmandu from $778

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 9/22. 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

Air India flights from St. Louis to Kathmandu

Our best Air India 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 typical price of a round-trip flight between St. Louis and 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

Fastest flight time

Direct flights

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?

Why use momondo?

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.

Get notified when prices go down

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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According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year