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Cheap flights from St. Louis to Kathmandu from $1,262

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Kathmandu departing on 4/29. 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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
7:00 am - 5:00 pm
STL
-
KTM
47h 15m
2 stops
Qatar Airways Logo
10:55 am - 11:57 pm
KTM
-
STL
47h 47m
2 stops
$1,262Qatar Airways
Wed, Apr 29 - Wed, Jun 3
Qatar Airways Logo
7:00 am - 4:45 pm
STL
-
KTM
47h 00m
2 stops
Qatar Airways Logo
10:55 am - 11:59 pm
KTM
-
STL
47h 49m
2 stops
$1,315Qatar Airways
Tue, Mar 31 - Sun, May 3
Qatar Airways Logo
6:50 pm - 4:25 pm
STL
-
KTM
34h 50m
2 stops
Qatar Airways Logo
6:00 pm - 5:21 pm
KTM
-
STL
34h 06m
2 stops
$1,339Qatar Airways
Mon, Mar 23 - Wed, Apr 8
Qatar Airways Logo
7:00 am - 5:50 pm
STL
-
KTM
47h 05m
2 stops
Qatar Airways Logo
5:40 pm - 5:13 pm
KTM
-
STL
34h 18m
2 stops
$1,379Qatar Airways
Thu, Feb 26 - Sat, Mar 14
Cathay Pacific Logo
12:11 pm - 9:45 pm
STL
-
KTM
46h 49m
2 stops
Cathay Pacific Logo
11:00 pm - 9:34 pm
KTM
-
STL
33h 19m
2 stops
$1,383Cathay Pacific
Tue, Apr 28 - Wed, Jun 3
Qatar Airways Logo
3:36 pm - 7:55 am
STL
-
KTM
29h 34m
2 stops
Qatar Airways Logo
6:15 pm - 7:26 pm
KTM
-
STL
35h 56m
2 stops
$1,387Qatar Airways
Tue, Apr 28 - Thu, Jun 4
Multiple Airlines Logo
7:56 pm - 9:30 pm
STL
-
KTM
38h 49m
2 stops
Multiple Airlines Logo
10:50 pm - 11:58 pm
KTM
-
STL
35h 53m
2 stops
$1,431Multiple Airlines
Sat, May 16 - Wed, Jun 17
Qatar Airways Logo
12:06 pm - 7:55 am
STL
-
KTM
32h 04m
2 stops
Qatar Airways Logo
6:00 pm - 12:44 pm
KTM
-
STL
29h 29m
2 stops
$1,459Qatar Airways
Sat, Jan 31 - Fri, Apr 3
Qatar Airways Logo
12:11 pm - 7:55 am
STL
-
KTM
32h 59m
2 stops
Qatar Airways Logo
6:15 pm - 4:33 pm
KTM
-
STL
33h 03m
2 stops
$1,482Qatar Airways
Thu, Apr 30 - Tue, Jun 2
Qatar Airways Logo
12:06 pm - 7:55 am
STL
-
KTM
32h 04m
2 stops
Qatar Airways Logo
6:00 pm - 12:44 pm
KTM
-
STL
29h 29m
2 stops
$1,511Qatar Airways
Sat, Jan 31 - Fri, Apr 3

Qatar Airways flights from St. Louis to Kathmandu

Our best Qatar Airways deals on St. Louis to Kathmandu flight tickets
Qatar Airways
Apr 29
STL7:00 amLambert-St Louis
47h 15m
2 stops
KTM5:00 pmKathmandu Tribhuvan
Jun 3
KTM10:55 amKathmandu Tribhuvan
47h 47m
2 stops
STL11:57 pmLambert-St Louis
$1,262
Qatar Airways
Mar 31
STL7:00 amLambert-St Louis
47h 00m
2 stops
KTM4:45 pmKathmandu Tribhuvan
May 3
KTM10:55 amKathmandu Tribhuvan
47h 49m
2 stops
STL11:59 pmLambert-St Louis
$1,315
Qatar Airways
Mar 23
STL6:50 pmLambert-St Louis
34h 50m
2 stops
KTM4:25 pmKathmandu Tribhuvan
Apr 8
KTM6:00 pmKathmandu Tribhuvan
34h 06m
2 stops
STL5:21 pmLambert-St Louis
$1,339

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 January 16, 2026.
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

Wed 4/29

7:00 am-5:00 pm

2 stops47h 15m

Kathmandu Tribhuvan

Wed 6/3

10:55 am-11:57 pm

2 stops47h 47m

$1,262

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Tue 3/31

7:00 am-4:45 pm

2 stops47h 00m

Kathmandu Tribhuvan

Sun 5/3

10:55 am-11:59 pm

2 stops47h 49m

$1,315

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Mon 3/23

6:50 pm-4:25 pm

2 stops34h 50m

Kathmandu Tribhuvan

Wed 4/8

6:00 pm-5:21 pm

2 stops34h 06m

$1,339

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Thu 2/26

7:00 am-5:50 pm

2 stops47h 05m

Kathmandu Tribhuvan

Sat 3/14

5:40 pm-5:13 pm

2 stops34h 18m

$1,379

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Tue 4/28

12:11 pm-9:45 pm

2 stops46h 49m

Kathmandu Tribhuvan

Wed 6/3

11:00 pm-9:34 pm

2 stops33h 19m

$1,383

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Tue 4/28

3:36 pm-7:55 am

2 stops29h 34m

Kathmandu Tribhuvan

Thu 6/4

6:15 pm-7:26 pm

2 stops35h 56m

$1,387

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Sat 5/16

7:56 pm-9:30 pm

2 stops38h 49m

Kathmandu Tribhuvan

Wed 6/17

10:50 pm-11:58 pm

2 stops35h 53m

$1,431

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Sat 1/31

12:06 pm-7:55 am

2 stops32h 04m

Kathmandu Tribhuvan

Fri 4/3

6:00 pm-12:44 pm

2 stops29h 29m

$1,459

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Thu 4/30

12:11 pm-7:55 am

2 stops32h 59m

Kathmandu Tribhuvan

Tue 6/2

6:15 pm-4:33 pm

2 stops33h 03m

$1,482

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Sat 1/31

12:06 pm-7:55 am

2 stops32h 04m

Kathmandu Tribhuvan

Fri 4/3

6:00 pm-12:44 pm

2 stops29h 29m

$1,511

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 typical price of a round-trip flight between St. Louis and Kathmandu?

What is the cheapest month to fly to Kathmandu?

The month of July is another great option to travel to Kathmandu, with average flight prices from St. Louis averaging around $1,390.

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

Fastest flight time

38h 49m

Direct flights

None
The fastest flight from St. Louis to Kathmandu takes 38h 49m
There are no direct flights from St. Louis to Kathmandu. There are no popular flight routes from St. Louis to Kathmandu.
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 38h 49m 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 $1,230Free CancellationRating
7.4
3,715 reviews
Search Qatar Airways flights

Traveling to a place near Kathmandu?

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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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Qatar Airways