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 85% 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.

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

$798 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 - 11:20 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

37h 10m2 stops Detroit Metropolitan Wayne County Istanbul

12:45 pm - 9:37 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

44h 37m2 stops Istanbul Chicago O'Hare Intl

$1,340Multiple Airlines

Tue, Jan 19 - Wed, Jan 27

7:29 am - 11:20 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

40h 06m2 stops Chicago O'Hare Intl Istanbul

12:45 pm - 7:40 amKTM Kathmandu Tribhuvan-STL Lambert-St Louis

54h 40m2 stops Istanbul Detroit Metropolitan Wayne County

$1,342Multiple Airlines

Tue, Jan 19 - Wed, Jan 27

3:45 pm - 8:20 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

28h 50m2 stops Dallas/Fort Worth Doha Hamad Intl

5:30 pm - 8:01 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

38h 16m2 stops Doha Hamad Intl Dallas/Fort Worth

$1,546Qatar Airways

Tue, Jan 19 - Wed, Jan 27

12:20 pm - 8:20 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

32h 15m2 stops Miami Doha Hamad Intl

5:30 pm - 6:13 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

35h 28m2 stops Doha Hamad Intl Dallas/Fort Worth

$1,556Qatar Airways

Tue, Feb 16 - Thu, Mar 18

3:45 pm - 4:15 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

36h 45m2 stops Dallas/Fort Worth Doha Hamad Intl

7:00 pm - 9:09 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

37h 54m2 stops Doha Hamad Intl Philadelphia

$1,596Qatar Airways

Fri, Feb 5 - Fri, Feb 12

6:00 pm - 4:15 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

34h 30m2 stops Dallas/Fort Worth Doha Hamad Intl

5:30 pm - 11:36 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

41h 51m2 stops Doha Hamad Intl Los Angeles

$1,604Qatar Airways

Mon, Jan 11 - Mon, Jan 18

1:20 pm - 11:20 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

58h 15m3 stops Orlando Newark Istanbul

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

47h 12m3 stops Istanbul Newark Orlando

$1,803Multiple Airlines

Sat, Nov 21 - Mon, Dec 14

1:08 pm - 6:35 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

29h 42m3 stops Chicago O'Hare Intl Zurich New Delhi Indira Gandhi Intl

9:40 pm - 2:45 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

27h 50m2 stops New Delhi Indira Gandhi Intl Frankfurt am Main

$2,062Multiple Airlines

Tue, Feb 16 - Thu, Mar 18

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

41h 05m2 stops Chicago O'Hare Intl Istanbul

12:45 pm - 9:37 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

44h 37m2 stops Istanbul Chicago O'Hare Intl

$2,177Turkish Airlines

Thu, Dec 10 - Sat, Jan 16

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

40h 05m2 stops Chicago O'Hare Intl Istanbul

12:45 pm - 9:37 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

44h 37m2 stops Istanbul Chicago O'Hare Intl

$2,243Turkish Airlines

Mon, Nov 23 - Mon, Jan 4

Cheap last minute flights

Enter your travel dates to find the best prices.

10:12 am - 2:15 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

41h 18m2 stops Dallas/Fort Worth Doha Hamad Intl

3:50 pm - 8:33 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

40h 28m2 stops Doha Hamad Intl Philadelphia

$1,559Qatar Airways

Tue, Oct 20 - Tue, Nov 24

12:47 pm - 2:15 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

38h 43m2 stops Dallas/Fort Worth Doha Hamad Intl

9:35 am - 9:50 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

48h 00m2 stops Doha Hamad Intl Miami

$1,559Qatar Airways

Tue, Oct 20 - Tue, Nov 24

7:03 am - 2:15 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

44h 27m2 stops Washington, D.C. Reagan-National Doha Hamad Intl

11:05 am - 3:43 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

40h 23m2 stops Doha Hamad Intl New York John F Kennedy Intl

$1,647Qatar Airways

Sat, Oct 17 - Thu, Nov 19

7:03 am - 2:15 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

44h 27m2 stops Washington, D.C. Reagan-National Doha Hamad Intl

11:05 am - 9:04 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

45h 44m2 stops Doha Hamad Intl New York John F Kennedy Intl

$1,692Qatar Airways

Sat, Oct 17 - Sat, Nov 21

7:03 am - 2:15 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

44h 27m2 stops Washington, D.C. Reagan-National Doha Hamad Intl

9:35 am - 9:37 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

47h 47m2 stops Doha Hamad Intl Washington, D.C. Dulles Intl

$1,695Qatar Airways

Sat, Oct 17 - Sun, Nov 22

5:08 pm - 8:50 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

76h 57m3 stops Washington, D.C. Reagan-National New York John F Kennedy Intl Doha Hamad Intl

9:35 am - 9:04 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

47h 14m2 stops Doha Hamad Intl New York John F Kennedy Intl

$1,777Qatar Airways

Fri, Oct 16 - Sat, Nov 21

5:08 pm - 8:50 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

76h 57m3 stops Washington, D.C. Reagan-National New York John F Kennedy Intl Doha Hamad Intl

11:05 am - 8:33 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

45h 13m2 stops Doha Hamad Intl Philadelphia

$1,779Qatar Airways

Fri, Oct 16 - Sun, Nov 22

7:10 pm - 2:15 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

56h 20m2 stops Dallas/Fort Worth Doha Hamad Intl

9:35 am - 8:42 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

46h 52m2 stops Doha Hamad Intl Los Angeles

$1,846Qatar Airways

Sat, Oct 17 - Fri, Nov 13

12:10 pm - 8:05 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

33h 10m3 stops Montreal Pierre Elliott Trudeau Intl Athens Eleftherios V. Sharjah

2:45 pm - 5:40 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

38h 40m3 stops Mumbai Chhatrapati Shivaji Intl Doha Hamad Intl Atlanta Hartsfield-Jackson

$1,886Multiple Airlines

Tue, Oct 20 - Tue, Nov 24

4:42 pm - 5:45 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

62h 18m2 stops Seattle/Tacoma Intl Doha Hamad Intl

11:05 am - 6:05 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

42h 45m2 stops Doha Hamad Intl Dallas/Fort Worth

$2,076Multiple Airlines

Fri, Oct 16 - Sun, Nov 22

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Turkish Airlines flights from St. Louis to Kathmandu

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

Turkish Airlines

Dec 10

STL6:30 amLambert-St Louis

41h 05m

2 stops

KTM11:20 amKathmandu Tribhuvan

Jan 16

KTM12:45 pmKathmandu Tribhuvan

44h 37m

2 stops

STL9:37 pmLambert-St Louis

$2,177

Turkish Airlines

Nov 23

STL7:30 amLambert-St Louis

40h 05m

2 stops

KTM11:20 amKathmandu Tribhuvan

Jan 4

KTM12:45 pmKathmandu Tribhuvan

44h 37m

2 stops

STL9:37 pmLambert-St Louis

$2,243

Qatar Airways flights from St. Louis to Kathmandu

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

Qatar Airways

Jan 19

STL3:45 pmLambert-St Louis

28h 50m

2 stops

KTM8:20 amKathmandu Tribhuvan

Jan 27

KTM5:30 pmKathmandu Tribhuvan

38h 16m

2 stops

STL8:01 pmLambert-St Louis

$1,546

Qatar Airways

Feb 16

STL12:20 pmLambert-St Louis

32h 15m

2 stops

KTM8:20 amKathmandu Tribhuvan

Mar 18

KTM5:30 pmKathmandu Tribhuvan

35h 28m

2 stops

STL6:13 pmLambert-St Louis

$1,556

Qatar Airways

Oct 20

STL12:47 pmLambert-St Louis

38h 43m

2 stops

KTM2:15 pmKathmandu Tribhuvan

Nov 24

KTM9:35 amKathmandu Tribhuvan

48h 00m

2 stops

STL9:50 pmLambert-St Louis

$1,559

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 1/19

10:25 am-11:20 am

2 stops37h 10m

Kathmandu Tribhuvan

Wed 1/27

12:45 pm-9:37 pm

2 stops44h 37m

$1,340

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Tue 1/19

7:29 am-11:20 am

2 stops40h 06m

Kathmandu Tribhuvan

Wed 1/27

12:45 pm-7:40 am

2 stops54h 40m

$1,342

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Tue 1/19

3:45 pm-8:20 am

2 stops28h 50m

Kathmandu Tribhuvan

Wed 1/27

5:30 pm-8:01 pm

2 stops38h 16m

$1,546

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Tue 2/16

12:20 pm-8:20 am

2 stops32h 15m

Kathmandu Tribhuvan

Thu 3/18

5:30 pm-6:13 pm

2 stops35h 28m

$1,556

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Fri 2/5

3:45 pm-4:15 pm

2 stops36h 45m

Kathmandu Tribhuvan

Fri 2/12

7:00 pm-9:09 pm

2 stops37h 54m

$1,596

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Mon 1/11

6:00 pm-4:15 pm

2 stops34h 30m

Kathmandu Tribhuvan

Mon 1/18

5:30 pm-11:36 pm

2 stops41h 51m

$1,604

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Sat 11/21

1:20 pm-11:20 am

3 stops58h 15m

Kathmandu Tribhuvan

Mon 12/14

12:45 pm-12:12 am

3 stops47h 12m

$1,803

Quickest round-trip

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Tue 2/16

1:08 pm-6:35 am

3 stops29h 42m

Kathmandu Tribhuvan

Thu 3/18

9:40 pm-2:45 pm

2 stops27h 50m

$2,062

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Thu 12/10

6:30 am-11:20 am

2 stops41h 05m

Kathmandu Tribhuvan

Sat 1/16

12:45 pm-9:37 pm

2 stops44h 37m

$2,177

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Mon 11/23

7:30 am-11:20 am

2 stops40h 05m

Kathmandu Tribhuvan

Mon 1/4

12:45 pm-9:37 pm

2 stops44h 37m

$2,243

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 typical for flights on this route.

Typical prices usually range from $1,442 to $1,589.
The lowest price recently found on this route was $1,497.

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	$798
Fastest flight time	32h 15m
Direct flights	None

The best one-way flight to Kathmandu from St. Louis in the past 72 hours is $798. The best round-trip flight deal from St. Louis to Kathmandu found on momondo in the last 72 hours is $1,340.

The fastest flight from St. Louis to Kathmandu takes 32h 15m

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 32h 15m 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 October 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 85% of all bookings. The subsequent popular airlines are Cathay Pacific at 9% and Turkish Airlines at 6%.

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 $1,247	Free Cancellation	Rating 7.3 3,721 reviews	Search Qatar Airways flights
Cathay Pacific	PriceFrom $1,295	Free Cancellation	Rating 7.6 1,515 reviews	Search Cathay Pacific flights
Turkish Airlines	PriceFrom $1,430	Free Cancellation	Rating 7.4 4,455 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.

An easier way to manage your Kathmandu trip

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Cheap flights from St. Louis to Kathmandu from $798

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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Turkish Airlines flights from St. Louis to Kathmandu

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

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 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?

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.

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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