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Cheap flights from St. Louis to Kathmandu from $726

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 10/21. 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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Find the cheapest flights from St. Louis to Kathmandu (STL-KTM)

Cheap round-trip flights

Cathay Pacific Logo
8:40 am - 10:00 pmSTL-KTM
49h 35m2 stops
Cathay Pacific Logo
11:15 pm - 10:02 pmKTM-STL
34h 32m2 stops
$1,394Cathay Pacific
Find Deal
dom., nov. 9 - vie., dic. 26
Qatar Airways Logo
5:02 pm - 8:20 amSTL-KTM
27h 33m2 stops
Qatar Airways Logo
5:40 pm - 1:58 pmKTM-STL
32h 03m2 stops
$1,462Qatar Airways
Find Deal
mar., ene. 20 - mar., mar. 3
Cathay Pacific Logo
7:00 am - 10:00 pmSTL-KTM
51h 15m2 stops
Cathay Pacific Logo
11:15 pm - 11:27 pmKTM-STL
35h 57m2 stops
$1,496Cathay Pacific
Find Deal
sáb., nov. 8 - vie., dic. 26
Qatar Airways Logo
5:28 am - 10:15 amSTL-KTM
42h 02m2 stops
Qatar Airways Logo
6:00 pm - 11:59 pmKTM-STL
40h 44m2 stops
$1,500Qatar Airways
Find Deal
vie., sep. 12 - vie., sep. 19
Cathay Pacific Logo
1:48 pm - 10:00 pmSTL-KTM
44h 27m2 stops
Cathay Pacific Logo
11:15 pm - 11:59 pmKTM-STL
36h 29m2 stops
$1,543Cathay Pacific
Find Deal
jue., ene. 8 - lun., ene. 26
Qatar Airways Logo
6:00 am - 8:20 amSTL-KTM
38h 35m2 stops
Qatar Airways Logo
6:45 pm - 12:08 pmKTM-STL
29h 08m2 stops
$1,545Qatar Airways
Find Deal
sáb., nov. 22 - sáb., dic. 6
Qatar Airways Logo
3:56 pm - 5:50 pmSTL-KTM
39h 09m2 stops
Qatar Airways Logo
6:00 pm - 11:56 pmKTM-STL
40h 41m2 stops
$1,590Qatar Airways
Find Deal
dom., sep. 28 - dom., oct. 5
Emirates Logo
3:23 pm - 6:30 amSTL-KTM
28h 22m2 stops
Emirates Logo
12:20 am - 10:00 pmKTM-STL
32h 25m2 stops
$2,610Emirates
Find Deal
vie., oct. 3 - lun., oct. 6
Emirates Logo
3:23 pm - 6:30 amSTL-KTM
28h 22m2 stops
Emirates Logo
12:20 am - 10:00 pmKTM-STL
32h 25m2 stops
$2,951Emirates
Find Deal
vie., oct. 3 - lun., oct. 6
Turkish Airlines Logo
3:23 pm - 6:15 amSTL-KTM
52h 07m2 stops
Turkish Airlines Logo
12:35 pm - 3:46 pmKTM-STL
61h 56m2 stops
$8,191Turkish Airlines
Find Deal
lun., sep. 29 - mié., oct. 29

Emirates flights from St. Louis to Kathmandu

Our best Emirates deals on St. Louis to Kathmandu flight tickets
Emirates
Oct 3
STL3:23 pmLambert-St Louis
28h 22m
2 stops
KTM6:30 amKathmandu Tribhuvan
Oct 6
KTM12:20 amKathmandu Tribhuvan
32h 25m
2 stops
STL10:00 pmLambert-St Louis
$2,610
Find similar
Emirates
Oct 3
STL3:23 pmLambert-St Louis
28h 22m
2 stops
KTM6:30 amKathmandu Tribhuvan
Oct 6
KTM12:20 amKathmandu Tribhuvan
32h 25m
2 stops
STL10:00 pmLambert-St Louis
$2,951
Find similar

Cathay Pacific flights from St. Louis to Kathmandu

Our best Cathay Pacific deals on St. Louis to Kathmandu flight tickets
Cathay Pacific
Nov 9
STL8:40 amLambert-St Louis
49h 35m
2 stops
KTM10:00 pmKathmandu Tribhuvan
Dec 26
KTM11:15 pmKathmandu Tribhuvan
34h 32m
2 stops
STL10:02 pmLambert-St Louis
$1,394
Find similar
Cathay Pacific
Nov 8
STL7:00 amLambert-St Louis
51h 15m
2 stops
KTM10:00 pmKathmandu Tribhuvan
Dec 26
KTM11:15 pmKathmandu Tribhuvan
35h 57m
2 stops
STL11:27 pmLambert-St Louis
$1,496
Find similar
Cathay Pacific
Jan 8
STL1:48 pmLambert-St Louis
44h 27m
2 stops
KTM10:00 pmKathmandu Tribhuvan
Jan 26
KTM11:15 pmKathmandu Tribhuvan
36h 29m
2 stops
STL11:59 pmLambert-St Louis
$1,543
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Kathmandu that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated agosto 14, 2025.
Use the filters below to find and compare flights from St. Louis to Kathmandu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

dom. 11/9

8:40 am-10:00 pm

2 stops49h 35m

Kathmandu Tribhuvan

vie. 12/26

11:15 pm-10:02 pm

2 stops34h 32m

$1,394

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

mar. 1/20

5:02 pm-8:20 am

2 stops27h 33m

Kathmandu Tribhuvan

mar. 3/3

5:40 pm-1:58 pm

2 stops32h 03m

$1,462

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

sáb. 11/8

7:00 am-10:00 pm

2 stops51h 15m

Kathmandu Tribhuvan

vie. 12/26

11:15 pm-11:27 pm

2 stops35h 57m

$1,496

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

vie. 9/12

5:28 am-10:15 am

2 stops42h 02m

Kathmandu Tribhuvan

vie. 9/19

6:00 pm-11:59 pm

2 stops40h 44m

$1,500

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

jue. 1/8

1:48 pm-10:00 pm

2 stops44h 27m

Kathmandu Tribhuvan

lun. 1/26

11:15 pm-11:59 pm

2 stops36h 29m

$1,543

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

sáb. 11/22

6:00 am-8:20 am

2 stops38h 35m

Kathmandu Tribhuvan

sáb. 12/6

6:45 pm-12:08 pm

2 stops29h 08m

$1,545

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

dom. 9/28

3:56 pm-5:50 pm

2 stops39h 09m

Kathmandu Tribhuvan

dom. 10/5

6:00 pm-11:56 pm

2 stops40h 41m

$1,590

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

vie. 10/3

3:23 pm-6:30 am

2 stops28h 22m

Kathmandu Tribhuvan

lun. 10/6

12:20 am-10:00 pm

2 stops32h 25m

$2,610

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

vie. 10/3

3:23 pm-6:30 am

2 stops28h 22m

Kathmandu Tribhuvan

lun. 10/6

12:20 am-10:00 pm

2 stops32h 25m

$2,951

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

lun. 9/29

3:23 pm-6:15 am

2 stops52h 07m

Kathmandu Tribhuvan

mié. 10/29

12:35 pm-3:46 pm

2 stops61h 56m

$8,191

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Kathmandu from

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

What is the cheapest month to fly to Kathmandu?

The month of March is another great option to travel to Kathmandu, with average flight prices from St. Louis averaging around $1,230.

What is the cheapest day to depart on your flight to Kathmandu?

According to our data, Saturday is the cheapest day to fly to Kathmandu from St. Louis. The lowest ticket price found for a Saturday departure recently was $1,415. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from St. Louis to Kathmandu on a Thursday will generally be more expensive and average around $1,655. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Kathmandu?

In the afternoon is the cheapest time of day to fly from St. Louis to Kathmandu when you can find flight prices for as low as $1,515. Flying to Kathmandu in the afternoon is an ideal time because this is during off-peak travel hours. Flights at noon are often more expensive with an average ticket price of $1,593.

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

$726

Fastest flight time

26h 45m

Direct flights

None

Airports in Kathmandu

1 airport
The best one-way flight to Kathmandu from St. Louis in the past 72 hours is $726. The best round-trip flight deal from St. Louis to Kathmandu found on momondo in the last 72 hours is $1,394.
The fastest flight from St. Louis to Kathmandu takes 26h 45m
There are no direct flights from St. Louis to Kathmandu. Popular non-direct route for this connection is Lambert-St Louis Airport - Kathmandu Tribhuvan Airport.
There is 1 airport near Kathmandu: Kathmandu Tribhuvan (KTM)
Search flight deals

  • 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 26h 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?

  • 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?

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 AirwaysPriceFrom $1,120Free CancellationRating
7.4
3,608 reviews
Search Qatar Airways flights
Turkish AirlinesPriceFrom $1,616Free CancellationRating
7.3
3,940 reviews
Search Turkish Airlines flights
Cathay PacificPriceFrom $1,739Free CancellationRating
7.6
968 reviews
Search Cathay Pacific flights

Traveling to a place near Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
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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