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

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 88% 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.

$757 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

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:06 pm - 4:15 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

60h 24m2 stops Seattle/Tacoma Intl Doha Hamad Intl

5:30 pm - 2:12 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

56h 27m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,333Multiple Airlines

Sun, Jan 17 - Tue, Feb 9

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

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

7:00 pm - 7:27 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

36h 12m2 stops Doha Hamad Intl Chicago O'Hare Intl

$1,408Qatar Airways

Mon, Feb 1 - Mon, Feb 8

7:31 am - 8:20 amSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

37h 04m2 stops Chicago O'Hare Intl Doha Hamad Intl

5:30 pm - 7:36 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

37h 51m2 stops Doha Hamad Intl Dallas/Fort Worth

$1,419Qatar Airways

Wed, Feb 24 - Wed, Mar 3

1:49 pm - 4:15 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

38h 41m2 stops Chicago O'Hare Intl Doha Hamad Intl

9:35 am - 6:09 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

44h 19m2 stops Doha Hamad Intl Dallas/Fort Worth

$1,421Qatar Airways

Fri, Jan 15 - Wed, Feb 10

7:00 am - 4:45 pmSTL Lambert-St Louis-KTM Kathmandu Tribhuvan

47h 00m2 stops Seattle/Tacoma Intl Doha Hamad Intl

6:00 pm - 4:33 pmKTM Kathmandu Tribhuvan-STL Lambert-St Louis

33h 18m2 stops Doha Hamad Intl Dallas/Fort Worth

$1,453Qatar Airways

Mon, May 10 - Mon, Jun 14

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

$1,657Multiple Airlines

Thu, Dec 24 - Sat, Jan 23

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

51h 35m2 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

$1,663Multiple Airlines

Wed, Dec 23 - Sat, Jan 23

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

37h 20m2 stops Detroit Metropolitan Wayne County Istanbul

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

54h 45m2 stops Istanbul Detroit Metropolitan Wayne County

$1,707Multiple Airlines

Tue, Dec 22 - Sat, Jan 23

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

37h 20m2 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

$1,742Multiple Airlines

Tue, Jan 5 - Tue, Jan 12

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

40h 06m2 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

$6,725Turkish Airlines

Tue, Jan 12 - Wed, Jan 27

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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 1

STL3:45 pmLambert-St Louis

36h 45m

2 stops

KTM4:15 pmKathmandu Tribhuvan

Feb 8

KTM7:00 pmKathmandu Tribhuvan

36h 12m

2 stops

STL7:27 pmLambert-St Louis

$1,408

Qatar Airways

Feb 24

STL7:31 amLambert-St Louis

37h 04m

2 stops

KTM8:20 amKathmandu Tribhuvan

Mar 3

KTM5:30 pmKathmandu Tribhuvan

37h 51m

2 stops

STL7:36 pmLambert-St Louis

$1,419

Qatar Airways

Jan 15

STL1:49 pmLambert-St Louis

38h 41m

2 stops

KTM4:15 pmKathmandu Tribhuvan

Feb 10

KTM9:35 amKathmandu Tribhuvan

44h 19m

2 stops

STL6:09 pmLambert-St Louis

$1,421

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Sun 1/17

4:06 pm-4:15 pm

2 stops60h 24m

Kathmandu Tribhuvan

Tue 2/9

5:30 pm-2:12 pm

2 stops56h 27m

$1,333

Quickest round-trip

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Mon 2/1

3:45 pm-4:15 pm

2 stops36h 45m

Kathmandu Tribhuvan

Mon 2/8

7:00 pm-7:27 pm

2 stops36h 12m

$1,408

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Wed 2/24

7:31 am-8:20 am

2 stops37h 04m

Kathmandu Tribhuvan

Wed 3/3

5:30 pm-7:36 pm

2 stops37h 51m

$1,419

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Fri 1/15

1:49 pm-4:15 pm

2 stops38h 41m

Kathmandu Tribhuvan

Wed 2/10

9:35 am-6:09 pm

2 stops44h 19m

$1,421

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Mon 5/10

7:00 am-4:45 pm

2 stops47h 00m

Kathmandu Tribhuvan

Mon 6/14

6:00 pm-4:33 pm

2 stops33h 18m

$1,453

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

$1,657

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Wed 12/23

8:00 pm-11:20 am

2 stops51h 35m

Kathmandu Tribhuvan

Sat 1/23

12:45 pm-7:45 am

2 stops54h 45m

$1,663

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Tue 12/22

10:15 am-11:20 am

2 stops37h 20m

Kathmandu Tribhuvan

Sat 1/23

12:45 pm-7:45 am

2 stops54h 45m

$1,707

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Tue 1/5

10:15 am-11:20 am

2 stops37h 20m

Kathmandu Tribhuvan

Tue 1/12

12:45 pm-9:37 pm

2 stops44h 37m

$1,742

St. LouisKathmandu

STL Lambert-St Louis - KTM Kathmandu Tribhuvan

STLKTM

Lambert-St Louis

Tue 1/12

7:29 am-11:20 am

2 stops40h 06m

Kathmandu Tribhuvan

Wed 1/27

12:45 pm-9:37 pm

2 stops44h 37m

$6,725

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.

How far in advance should I book a flight from St. Louis to Kathmandu?

You are more likely to see cheaper flights to Kathmandu from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Kathmandu for around $1,667 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kathmandu from St. Louis for as low as $1,487 on momondo.

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	$757
Fastest flight time	36h 45m
Direct flights	None

The best one-way flight to Kathmandu from St. Louis in the past 72 hours is $757. The best round-trip flight deal from St. Louis to Kathmandu found on momondo in the last 72 hours is $1,333.

The fastest flight from St. Louis to Kathmandu takes 36h 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 36h 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 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 88% of all bookings. The subsequent popular airlines are Cathay Pacific at 8% and Turkish Airlines at 4%.

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
Cathay Pacific	PriceFrom $1,295	Free Cancellation	Rating 7.6 1,542 reviews	Search Cathay Pacific flights
Qatar Airways	PriceFrom $1,301	Free Cancellation	Rating 7.4 3,707 reviews	Search Qatar Airways 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 $757

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

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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?

How far in advance should I book a flight from St. Louis 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

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.

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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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