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.

$716 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.

7:00 am - 4:25 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

45h 40m2 stops Seattle/Tacoma Intl Doha Hamad Intl

10:05 am - 11:44 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

48h 24m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,258Qatar Airways

Tue, Mar 9 - Wed, May 5

7:00 am - 4:25 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

45h 40m2 stops Seattle/Tacoma Intl Doha Hamad Intl

10:05 am - 11:44 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

48h 24m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,258Qatar Airways

Tue, Feb 23 - Wed, May 5

3:04 pm - 4:25 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

61h 36m2 stops Seattle/Tacoma Intl Doha Hamad Intl

10:05 am - 11:44 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

48h 24m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,260Qatar Airways

Wed, Feb 24 - Wed, Apr 7

3:04 pm - 5:30 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

62h 41m2 stops Seattle/Tacoma Intl Doha Hamad Intl

10:05 am - 11:44 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

48h 24m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,369Qatar Airways

Wed, Feb 24 - Tue, Apr 6

6:00 am - 11:20 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

41h 35m2 stops Chicago O'Hare Intl Istanbul

12:45 pm - 7:50 amKTM Kathmandu Tribhuvan-STL Lambert-St Louis

54h 50m2 stops Istanbul Atlanta Hartsfield-Jackson

$1,501Multiple Airlines

Sun, Feb 28 - Wed, Mar 10

3:24 pm - 5:30 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

62h 21m2 stops Seattle/Tacoma Intl Doha Hamad Intl

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

31h 09m2 stops Doha Hamad Intl Dallas/Fort Worth

$1,547Multiple Airlines

Fri, Feb 26 - Fri, Mar 19

6:30 am - 11:20 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

41h 05m2 stops Chicago O'Hare Intl Istanbul

12:45 pm - 7:45 amKTM Kathmandu Tribhuvan-STL Lambert-St Louis

54h 45m2 stops Istanbul Atlanta Hartsfield-Jackson

$1,577Multiple Airlines

Mon, Dec 7 - Sun, Jan 17

7:29 am - 9:30 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

50h 16m2 stops Chicago O'Hare Intl Hong Kong Intl

11:00 pm - 11:04 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

34h 49m2 stops Hong Kong Intl Dallas/Fort Worth

$2,264Cathay Pacific

Fri, Feb 26 - Mon, Apr 5

7:29 am - 9:30 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

50h 16m2 stops Chicago O'Hare Intl Hong Kong Intl

11:00 pm - 11:44 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

35h 29m2 stops Hong Kong Intl Seattle/Tacoma Intl

$2,264Cathay Pacific

Fri, Feb 26 - Wed, Apr 7

7:01 pm - 9:30 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

38h 44m2 stops Dallas/Fort Worth Hong Kong Intl

11:00 pm - 11:44 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

35h 29m2 stops Hong Kong Intl Seattle/Tacoma Intl

$2,264Cathay Pacific

Fri, Feb 26 - Tue, Apr 6

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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

Feb 23

STL7:00 amLambert-St Louis

45h 40m

2 stops

KTM4:25 pmKathmandu Tribhuvan

May 5

KTM10:05 amKathmandu Tribhuvan

48h 24m

2 stops

STL11:44 pmLambert-St Louis

$1,258

Qatar Airways

Feb 24

STL3:04 pmLambert-St Louis

61h 36m

2 stops

KTM4:25 pmKathmandu Tribhuvan

Apr 7

KTM10:05 amKathmandu Tribhuvan

48h 24m

2 stops

STL11:44 pmLambert-St Louis

$1,260

Qatar Airways

Feb 23

STL3:04 pmLambert-St Louis

62h 41m

2 stops

KTM5:30 pmKathmandu Tribhuvan

Apr 9

KTM10:05 amKathmandu Tribhuvan

48h 24m

2 stops

STL11:44 pmLambert-St Louis

$1,369

Turkish Airlines flights from St. Louis to Kathmandu

Our best Turkish Airlines deals on St. Louis to Kathmandu flight tickets

Turkish Airlines

Oct 30

STL6:50 pmLambert-St Louis

53h 45m

2 stops

KTM11:20 amKathmandu Tribhuvan

Dec 12

KTM12:45 pmKathmandu Tribhuvan

45h 59m

2 stops

STL10:59 pmLambert-St Louis

$1,656

Turkish Airlines

Dec 7

STL6:30 amLambert-St Louis

41h 05m

2 stops

KTM11:20 amKathmandu Tribhuvan

Jan 7

KTM12:45 pmKathmandu Tribhuvan

44h 47m

2 stops

STL9:47 pmLambert-St Louis

$1,847

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Tue 3/9

7:00 am-4:25 pm

2 stops45h 40m

Kathmandu Tribhuvan

Wed 5/5

10:05 am-11:44 pm

2 stops48h 24m

$1,258

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Tue 2/23

7:00 am-4:25 pm

2 stops45h 40m

Kathmandu Tribhuvan

Wed 5/5

10:05 am-11:44 pm

2 stops48h 24m

$1,258

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Wed 2/24

3:04 pm-4:25 pm

2 stops61h 36m

Kathmandu Tribhuvan

Wed 4/7

10:05 am-11:44 pm

2 stops48h 24m

$1,260

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Wed 2/24

3:04 pm-5:30 pm

2 stops62h 41m

Kathmandu Tribhuvan

Tue 4/6

10:05 am-11:44 pm

2 stops48h 24m

$1,369

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Sun 2/28

6:00 am-11:20 am

2 stops41h 35m

Kathmandu Tribhuvan

Wed 3/10

12:45 pm-7:50 am

2 stops54h 50m

$1,501

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Fri 2/26

3:24 pm-5:30 pm

2 stops62h 21m

Kathmandu Tribhuvan

Fri 3/19

5:40 pm-2:04 pm

2 stops31h 09m

$1,547

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Mon 12/7

6:30 am-11:20 am

2 stops41h 05m

Kathmandu Tribhuvan

Sun 1/17

12:45 pm-7:45 am

2 stops54h 45m

$1,577

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Fri 2/26

7:29 am-9:30 pm

2 stops50h 16m

Kathmandu Tribhuvan

Mon 4/5

11:00 pm-11:04 pm

2 stops34h 49m

$2,264

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Fri 2/26

7:29 am-9:30 pm

2 stops50h 16m

Kathmandu Tribhuvan

Wed 4/7

11:00 pm-11:44 pm

2 stops35h 29m

$2,264

Quickest round-trip

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Fri 2/26

7:01 pm-9:30 pm

2 stops38h 44m

Kathmandu Tribhuvan

Tue 4/6

11:00 pm-11:44 pm

2 stops35h 29m

$2,264

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 low for flights on this route.

Typical prices usually range from $1,431 to $1,559.
The lowest price recently found on this route was $1,258.

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	$716
Fastest flight time	27h 45m
Direct flights	None

The best one-way flight to Kathmandu from St. Louis in the past 72 hours is $716. The best round-trip flight deal from St. Louis to Kathmandu found on momondo in the last 72 hours is $1,258.

The fastest flight from St. Louis to Kathmandu takes 27h 45m

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 27h 45m 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 89% of all bookings. The subsequent popular airline is Cathay Pacific at 11%.

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 7.3 3,729 reviews		Search Qatar Airways flights
Cathay Pacific	PriceFrom $1,295	Free Cancellation	Rating 7.6 1,504 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 $716

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 1/13. 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

Turkish Airlines flights from St. Louis to Kathmandu

Our best Turkish Airlines 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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