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

China Southern and Qatar Airways are the most popular carriers operating from Lambert-St Louis to Kathmandu Tribhuvan

What airlines fly to Kathmandu?

Qatar Airways, Cathay Pacific and Turkish Airlines are the top three most popular airlines that fly to Kathmandu from St. Louis according to our data. Qatar Airways is the first choice among our users, with 87% of people opting to fly with this airline when traveling to Kathmandu. Keep in mind that there are 3 different airlines that fly to Kathmandu on a routine basis, so you have a few additional options to choose from.

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 3 operators available for flights from Lambert-St Louis Airport to Kathmandu Tribhuvan Airport as of November 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.

$765 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.

10:25 am - 8:20 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

34h 10m2 stops Chicago O'Hare Intl Doha Hamad Intl

10:05 am - 1:41 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

38h 21m2 stops Doha Hamad Intl Dallas/Fort Worth

$1,006Qatar Airways

Mon, Feb 15 - Mon, Mar 29

3:04 pm - 4:15 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

61h 26m2 stops Seattle/Tacoma Intl Doha Hamad Intl

7:00 pm - 2:06 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

54h 51m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,376Qatar Airways

Thu, Feb 18 - Sun, Mar 7

6:54 pm - 4:15 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

33h 36m2 stops Dallas/Fort Worth Doha Hamad Intl

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

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

$1,382Qatar Airways

Mon, Mar 1 - Wed, Apr 21

1:49 pm - 8:20 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

30h 46m2 stops Chicago O'Hare Intl Doha Hamad Intl

5:30 pm - 7:49 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

38h 04m2 stops Doha Hamad Intl Chicago O'Hare Intl

$1,439Qatar Airways

Fri, Jan 22 - Fri, Jan 29

10:30 am - 8:20 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

34h 05m2 stops Boston Logan Intl Doha Hamad Intl

7:00 pm - 8:31 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

37h 16m2 stops Doha Hamad Intl Philadelphia

$1,462Qatar Airways

Fri, Feb 26 - Wed, Mar 10

9:41 am - 4:15 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

42h 49m2 stops Dallas/Fort Worth Doha Hamad Intl

9:35 am - 8:01 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

46h 11m2 stops Doha Hamad Intl Dallas/Fort Worth

$1,464Qatar Airways

Fri, Jan 22 - Fri, Jan 29

12:27 pm - 4:45 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

41h 33m2 stops Dallas/Fort Worth Doha Hamad Intl

6:00 pm - 11:46 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

40h 31m2 stops Doha Hamad Intl Chicago O'Hare Intl

$1,482Qatar Airways

Thu, Apr 29 - Mon, May 3

2:23 pm - 4:15 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

38h 07m2 stops Dallas/Fort Worth Doha Hamad Intl

5:30 pm - 10:23 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

40h 38m2 stops Doha Hamad Intl Chicago O'Hare Intl

$1,528Qatar Airways

Wed, Feb 17 - Sun, Feb 21

10:15 am - 11:20 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

37h 20m2 stops Atlanta Hartsfield-Jackson Istanbul

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

54h 45m2 stops Istanbul Detroit Metropolitan Wayne County

$1,656Multiple Airlines

Thu, Dec 24 - Wed, Jan 27

10:15 am - 11:20 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

37h 20m2 stops Atlanta Hartsfield-Jackson Istanbul

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

54h 45m2 stops Istanbul Detroit Metropolitan Wayne County

$1,656Multiple Airlines

Thu, Dec 24 - Sat, Jan 23

Cheap last minute flights

Enter your travel dates to find the best prices.

4:05 pm - 11:30 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

43h 40m2 stops Toronto Pearson Intl Dubai Intl

7:40 pm - 3:26 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

31h 31m2 stops Dubai Intl Toronto Pearson Intl

$8,282Multiple Airlines

Sat, Nov 7 - Mon, Nov 23

3:15 pm - 6:40 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

39h 40m2 stops Chicago O'Hare Intl Dubai Intl

7:40 pm - 3:26 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

31h 31m2 stops Dubai Intl Toronto Pearson Intl

$8,649Emirates

Sat, Nov 7 - Mon, Nov 23

7:30 am - 11:20 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

40h 05m2 stops Chicago O'Hare Intl Istanbul

12:45 pm - 9:40 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

44h 40m2 stops Istanbul Chicago O'Hare Intl

$9,462Turkish Airlines

Fri, Nov 6 - Mon, Nov 23

7:30 am - 11:20 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

40h 05m2 stops Chicago O'Hare Intl Istanbul

12:45 pm - 3:43 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

62h 43m2 stops Istanbul Chicago O'Hare Intl

$9,475Turkish Airlines

Fri, Nov 6 - Tue, Nov 24

7:30 am - 11:20 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

40h 05m2 stops Chicago O'Hare Intl Istanbul

12:45 pm - 3:43 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

62h 43m2 stops Istanbul Chicago O'Hare Intl

$9,475Turkish Airlines

Sat, Nov 7 - Tue, Nov 24

11:00 am - 8:20 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

33h 35m2 stops Houston George Bush Intcntl Dubai Intl

3:00 pm - 2:22 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

59h 07m2 stops Dubai Intl Seattle/Tacoma Intl

$10,142Multiple Airlines

Sat, Nov 7 - Wed, Nov 25

11:00 am - 9:40 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

34h 55m2 stops Houston George Bush Intcntl Dubai Intl

3:00 pm - 2:22 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

59h 07m2 stops Dubai Intl Seattle/Tacoma Intl

$10,207Multiple Airlines

Sun, Nov 8 - Wed, Nov 25

6:00 am - 8:20 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

38h 35m2 stops Seattle/Tacoma Intl Doha Hamad Intl

5:30 pm - 11:59 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

42h 14m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$11,083Qatar Airways

Sun, Nov 8 - Sun, Nov 22

6:00 am - 8:20 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

38h 35m2 stops Seattle/Tacoma Intl Doha Hamad Intl

5:30 pm - 11:59 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

42h 14m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$11,101Qatar Airways

Sat, Nov 7 - Sun, Nov 22

2:54 pm - 2:35 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

35h 56m2 stops Dallas/Fort Worth Doha Hamad Intl

5:30 pm - 11:59 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

42h 14m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$11,758Qatar Airways

Mon, Nov 9 - Sun, Nov 22

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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 15

STL10:25 amLambert-St Louis

34h 10m

2 stops

KTM8:20 amKathmandu Tribhuvan

Mar 29

KTM10:05 amKathmandu Tribhuvan

38h 21m

2 stops

STL1:41 pmLambert-St Louis

$1,006

Qatar Airways

Feb 18

STL3:04 pmLambert-St Louis

61h 26m

2 stops

KTM4:15 pmKathmandu Tribhuvan

Mar 7

KTM7:00 pmKathmandu Tribhuvan

54h 51m

2 stops

STL2:06 pmLambert-St Louis

$1,376

Qatar Airways

Mar 1

STL6:54 pmLambert-St Louis

33h 36m

2 stops

KTM4:15 pmKathmandu Tribhuvan

Apr 21

KTM10:05 amKathmandu Tribhuvan

48h 24m

2 stops

STL11:44 pmLambert-St Louis

$1,382

Turkish Airlines flights from St. Louis to Kathmandu

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

Turkish Airlines

Nov 6

STL7:30 amLambert-St Louis

40h 05m

2 stops

KTM11:20 amKathmandu Tribhuvan

Nov 23

KTM12:45 pmKathmandu Tribhuvan

44h 40m

2 stops

STL9:40 pmLambert-St Louis

$9,462

Turkish Airlines

Nov 6

STL7:30 amLambert-St Louis

40h 05m

2 stops

KTM11:20 amKathmandu Tribhuvan

Nov 24

KTM12:45 pmKathmandu Tribhuvan

62h 43m

2 stops

STL3:43 pmLambert-St Louis

$9,475

Turkish Airlines

Nov 8

STL7:30 amLambert-St Louis

40h 05m

2 stops

KTM11:20 amKathmandu Tribhuvan

Nov 23

KTM12:45 pmKathmandu Tribhuvan

44h 40m

2 stops

STL9:40 pmLambert-St Louis

$9,962

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Mon 2/15

10:25 am-8:20 am

2 stops34h 10m

Kathmandu Tribhuvan

Mon 3/29

10:05 am-1:41 pm

2 stops38h 21m

$1,006

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Thu 2/18

3:04 pm-4:15 pm

2 stops61h 26m

Kathmandu Tribhuvan

Sun 3/7

7:00 pm-2:06 pm

2 stops54h 51m

$1,376

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Mon 3/1

6:54 pm-4:15 pm

2 stops33h 36m

Kathmandu Tribhuvan

Wed 4/21

10:05 am-11:44 pm

2 stops48h 24m

$1,382

Quickest round-trip

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Fri 1/22

1:49 pm-8:20 am

2 stops30h 46m

Kathmandu Tribhuvan

Fri 1/29

5:30 pm-7:49 pm

2 stops38h 04m

$1,439

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Fri 2/26

10:30 am-8:20 am

2 stops34h 05m

Kathmandu Tribhuvan

Wed 3/10

7:00 pm-8:31 pm

2 stops37h 16m

$1,462

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Fri 1/22

9:41 am-4:15 pm

2 stops42h 49m

Kathmandu Tribhuvan

Fri 1/29

9:35 am-8:01 pm

2 stops46h 11m

$1,464

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Thu 4/29

12:27 pm-4:45 pm

2 stops41h 33m

Kathmandu Tribhuvan

Mon 5/3

6:00 pm-11:46 pm

2 stops40h 31m

$1,482

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Wed 2/17

2:23 pm-4:15 pm

2 stops38h 07m

Kathmandu Tribhuvan

Sun 2/21

5:30 pm-10:23 pm

2 stops40h 38m

$1,528

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Thu 12/24

10:15 am-11:20 am

2 stops37h 20m

Kathmandu Tribhuvan

Wed 1/27

12:45 pm-7:45 am

2 stops54h 45m

$1,656

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Thu 12/24

10:15 am-11:20 am

2 stops37h 20m

Kathmandu Tribhuvan

Sat 1/23

12:45 pm-7:45 am

2 stops54h 45m

$1,656

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 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	$765
Fastest flight time	30h 46m
Direct flights	None

The best one-way flight to Kathmandu from St. Louis in the past 72 hours is $765. The best round-trip flight deal from St. Louis to Kathmandu found on momondo in the last 72 hours is $1,006.

The fastest flight from St. Louis to Kathmandu takes 30h 46m

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 30h 46m 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 3 operators available for flights from Lambert-St Louis Airport to Kathmandu Tribhuvan Airport as of November 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 87% of all bookings. The subsequent popular airlines are Cathay Pacific at 8% and Turkish Airlines at 5%.

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 $1,257	Free Cancellation	Rating 7.4 3,711 reviews	Search Qatar Airways flights
Cathay Pacific	PriceFrom $1,295	Free Cancellation	Rating 7.6 1,538 reviews	Search Cathay Pacific flights
Turkish Airlines	PriceFrom $1,430	Free Cancellation	Rating 7.4 4,467 reviews	Search Turkish Airlines 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 $765

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 1/4. 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 cheapest month to fly to Kathmandu?

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

What airlines fly to Kathmandu?

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?

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.

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

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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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