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Cheap flights from St. Louis to Kathmandu from $1,334

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 4/27. 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.
Multiple Airlines Logo
7:00 am - 5:00 pm
STL
-
KTM
47h 15m
2 stops
Multiple Airlines Logo
6:15 pm - 7:40 pm
KTM
-
STL
36h 10m
2 stops
$1,334Multiple Airlines
Mon, Apr 27 - Thu, Jun 11
Multiple Airlines Logo
7:00 am - 5:00 pm
STL
-
KTM
47h 15m
2 stops
Multiple Airlines Logo
10:55 am - 5:21 pm
KTM
-
STL
41h 11m
2 stops
$1,370Multiple Airlines
Mon, Apr 13 - Mon, Apr 20
Turkish Airlines Logo
7:45 am - 6:15 am
STL
-
KTM
35h 45m
2 stops
Turkish Airlines Logo
7:40 am - 9:16 pm
KTM
-
STL
24h 21m
2 stops
$1,459Turkish Airlines
Sun, Apr 26 - Thu, Jun 11
Multiple Airlines Logo
7:00 am - 5:50 pm
STL
-
KTM
48h 05m
2 stops
Multiple Airlines Logo
7:05 pm - 11:44 pm
KTM
-
STL
39h 24m
2 stops
$1,463Multiple Airlines
Mon, Mar 16 - Mon, Mar 23
Qatar Airways Logo
12:27 pm - 7:55 am
STL
-
KTM
32h 43m
2 stops
Qatar Airways Logo
6:15 pm - 5:01 pm
KTM
-
STL
33h 31m
2 stops
$1,489Qatar Airways
Sun, Apr 26 - Thu, Jun 11
Multiple Airlines Logo
7:00 am - 4:45 pm
STL
-
KTM
47h 00m
2 stops
Multiple Airlines Logo
10:55 am - 3:05 pm
KTM
-
STL
38h 55m
2 stops
$1,491Multiple Airlines
Fri, Apr 10 - Fri, Apr 17
Qatar Airways Logo
3:38 pm - 5:00 pm
STL
-
KTM
38h 37m
2 stops
Qatar Airways Logo
6:15 pm - 7:40 pm
KTM
-
STL
36h 10m
2 stops
$1,492Qatar Airways
Mon, Apr 27 - Wed, Jun 10
Multiple Airlines Logo
7:00 am - 5:00 pm
STL
-
KTM
47h 15m
2 stops
Multiple Airlines Logo
10:55 am - 5:21 pm
KTM
-
STL
41h 11m
2 stops
$1,524Multiple Airlines
Sat, Apr 25 - Sat, May 9
Qatar Airways Logo
2:33 pm - 7:55 am
STL
-
KTM
30h 37m
2 stops
Qatar Airways Logo
10:05 am - 7:40 pm
KTM
-
STL
44h 20m
2 stops
$1,537Qatar Airways
Mon, Apr 27 - Sun, Jun 14
Qatar Airways Logo
6:50 pm - 4:45 pm
STL
-
KTM
35h 10m
2 stops
Qatar Airways Logo
10:55 am - 5:21 pm
KTM
-
STL
41h 11m
2 stops
$1,579Qatar Airways
Thu, Apr 2 - Thu, Apr 23

Turkish Airlines flights from St. Louis to Kathmandu

Our best Turkish Airlines deals on St. Louis to Kathmandu flight tickets
Turkish Airlines
Apr 26
STL7:45 amLambert-St Louis
35h 45m
2 stops
KTM6:15 amKathmandu Tribhuvan
Jun 11
KTM7:40 amKathmandu Tribhuvan
24h 21m
2 stops
STL9:16 pmLambert-St Louis
$1,459
Turkish Airlines
Mar 1
STL7:41 amLambert-St Louis
39h 54m
2 stops
KTM11:20 amKathmandu Tribhuvan
Mar 16
KTM12:45 pmKathmandu Tribhuvan
43h 07m
2 stops
STL9:07 pmLambert-St Louis
$1,863

Qatar Airways flights from St. Louis to Kathmandu

Our best Qatar Airways deals on St. Louis to Kathmandu flight tickets
Qatar Airways
Mar 1
STL7:00 amLambert-St Louis
47h 05m
2 stops
KTM5:50 pmKathmandu Tribhuvan
Mar 15
KTM9:10 amKathmandu Tribhuvan
49h 33m
2 stops
STL11:58 pmLambert-St Louis
$1,435
Qatar Airways
Mar 1
STL7:00 amLambert-St Louis
47h 05m
2 stops
KTM5:50 pmKathmandu Tribhuvan
Mar 15
KTM7:05 pmKathmandu Tribhuvan
39h 38m
2 stops
STL11:58 pmLambert-St Louis
$1,440
Qatar Airways
Mar 3
STL7:00 amLambert-St Louis
37h 10m
2 stops
KTM7:55 amKathmandu Tribhuvan
Mar 16
KTM5:40 pmKathmandu Tribhuvan
34h 45m
2 stops
STL5:40 pmLambert-St Louis
$1,448

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 February 28, 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

Mon 4/27

7:00 am-5:00 pm

2 stops47h 15m

Kathmandu Tribhuvan

Thu 6/11

6:15 pm-7:40 pm

2 stops36h 10m

$1,334

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Mon 4/13

7:00 am-5:00 pm

2 stops47h 15m

Kathmandu Tribhuvan

Mon 4/20

10:55 am-5:21 pm

2 stops41h 11m

$1,370

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Sun 4/26

7:45 am-6:15 am

2 stops35h 45m

Kathmandu Tribhuvan

Thu 6/11

7:40 am-9:16 pm

2 stops24h 21m

$1,459

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Mon 3/16

7:00 am-5:50 pm

2 stops48h 05m

Kathmandu Tribhuvan

Mon 3/23

7:05 pm-11:44 pm

2 stops39h 24m

$1,463

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Sun 4/26

12:27 pm-7:55 am

2 stops32h 43m

Kathmandu Tribhuvan

Thu 6/11

6:15 pm-5:01 pm

2 stops33h 31m

$1,489

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Fri 4/10

7:00 am-4:45 pm

2 stops47h 00m

Kathmandu Tribhuvan

Fri 4/17

10:55 am-3:05 pm

2 stops38h 55m

$1,491

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Mon 4/27

3:38 pm-5:00 pm

2 stops38h 37m

Kathmandu Tribhuvan

Wed 6/10

6:15 pm-7:40 pm

2 stops36h 10m

$1,492

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Sat 4/25

7:00 am-5:00 pm

2 stops47h 15m

Kathmandu Tribhuvan

Sat 5/9

10:55 am-5:21 pm

2 stops41h 11m

$1,524

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Mon 4/27

2:33 pm-7:55 am

2 stops30h 37m

Kathmandu Tribhuvan

Sun 6/14

10:05 am-7:40 pm

2 stops44h 20m

$1,537

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Thu 4/2

6:50 pm-4:45 pm

2 stops35h 10m

Kathmandu Tribhuvan

Thu 4/23

10:55 am-5:21 pm

2 stops41h 11m

$1,579

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.

How far in advance should I book a flight 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 $1,593 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 $1,355 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

Fastest flight time

26h 59m

Direct flights

None
The fastest flight from St. Louis to Kathmandu takes 26h 59m
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 26h 59m 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 $1,218Free CancellationRating
7.4
3,745 reviews
Search Qatar Airways 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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Qatar Airways