Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Kathmandu from $793

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 7/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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 - 5:30 pm
STL
-
KTM
47h 45m
2 stops
Qatar Airways Logo
5:40 pm - 11:59 pm
KTM
-
STL
41h 04m
2 stops
$1,281Qatar Airways
Tue, Oct 20 - Wed, Oct 28
Qatar Airways Logo
7:00 am - 5:30 pm
STL
-
KTM
47h 45m
2 stops
Qatar Airways Logo
5:40 pm - 11:59 pm
KTM
-
STL
41h 04m
2 stops
$1,319Qatar Airways
Tue, Oct 20 - Wed, Oct 28
Qatar Airways Logo
7:00 am - 4:45 pm
STL
-
KTM
47h 00m
2 stops
Qatar Airways Logo
6:45 pm - 8:55 pm
KTM
-
STL
37h 55m
2 stops
$1,425Qatar Airways
Tue, Oct 20 - Wed, Nov 25
Multiple Airlines Logo
6:29 am - 8:50 am
STL
-
KTM
39h 36m
2 stops
Multiple Airlines Logo
6:00 pm - 2:44 pm
KTM
-
STL
31h 29m
2 stops
$1,452Multiple Airlines
Thu, Sep 10 - Tue, Sep 22
Multiple Airlines Logo
6:29 am - 8:50 am
STL
-
KTM
39h 36m
2 stops
Multiple Airlines Logo
6:45 pm - 2:44 pm
KTM
-
STL
30h 44m
2 stops
$1,505Multiple Airlines
Fri, Sep 11 - Tue, Sep 22
Multiple Airlines Logo
11:09 am - 8:50 am
STL
-
KTM
34h 56m
2 stops
Multiple Airlines Logo
5:40 pm - 12:56 am
KTM
-
STL
42h 01m
2 stops
$1,511Multiple Airlines
Fri, Oct 2 - Sat, Oct 31
Qatar Airways Logo
5:10 pm - 8:50 am
STL
-
KTM
28h 55m
2 stops
Qatar Airways Logo
6:00 pm - 4:40 pm
KTM
-
STL
33h 25m
2 stops
$1,537Qatar Airways
Wed, Sep 9 - Tue, Sep 22
Qatar Airways Logo
6:45 pm - 9:50 am
STL
-
KTM
28h 20m
2 stops
Qatar Airways Logo
6:45 pm - 6:20 pm
KTM
-
STL
34h 20m
2 stops
$1,542Qatar Airways
Thu, Sep 3 - Thu, Oct 22
Qatar Airways Logo
3:20 pm - 4:45 pm
STL
-
KTM
38h 40m
2 stops
Qatar Airways Logo
11:05 am - 9:08 pm
KTM
-
STL
45h 48m
2 stops
$1,545Qatar Airways
Thu, Oct 8 - Thu, Nov 12
Qatar Airways Logo
3:34 pm - 4:45 pm
STL
-
KTM
38h 26m
2 stops
Qatar Airways Logo
6:00 pm - 6:38 pm
KTM
-
STL
59h 23m
2 stops
$1,562Qatar Airways
Thu, Sep 10 - Mon, Sep 14

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Qatar Airways flights from St. Louis to Kathmandu

Our best Qatar Airways deals on St. Louis to Kathmandu flight tickets
Qatar Airways
Oct 20
STL7:00 amLambert-St Louis
47h 45m
2 stops
KTM5:30 pmKathmandu Tribhuvan
Oct 28
KTM5:40 pmKathmandu Tribhuvan
41h 04m
2 stops
STL11:59 pmLambert-St Louis
$1,281
Qatar Airways
Oct 20
STL7:00 amLambert-St Louis
47h 45m
2 stops
KTM5:30 pmKathmandu Tribhuvan
Oct 28
KTM5:40 pmKathmandu Tribhuvan
41h 04m
2 stops
STL11:59 pmLambert-St Louis
$1,319
Qatar Airways
Oct 20
STL7:00 amLambert-St Louis
47h 00m
2 stops
KTM4:45 pmKathmandu Tribhuvan
Nov 25
KTM6:45 pmKathmandu Tribhuvan
37h 55m
2 stops
STL8:55 pmLambert-St Louis
$1,425

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 July 13, 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

Cheapest round-trip

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Tue 10/20

7:00 am-5:30 pm

2 stops47h 45m

Kathmandu Tribhuvan

Wed 10/28

5:40 pm-11:59 pm

2 stops41h 04m

$1,281

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Tue 10/20

7:00 am-5:30 pm

2 stops47h 45m

Kathmandu Tribhuvan

Wed 10/28

5:40 pm-11:59 pm

2 stops41h 04m

$1,319

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Tue 10/20

7:00 am-4:45 pm

2 stops47h 00m

Kathmandu Tribhuvan

Wed 11/25

6:45 pm-8:55 pm

2 stops37h 55m

$1,425

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Thu 9/10

6:29 am-8:50 am

2 stops39h 36m

Kathmandu Tribhuvan

Tue 9/22

6:00 pm-2:44 pm

2 stops31h 29m

$1,452

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Fri 9/11

6:29 am-8:50 am

2 stops39h 36m

Kathmandu Tribhuvan

Tue 9/22

6:45 pm-2:44 pm

2 stops30h 44m

$1,505

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Fri 10/2

11:09 am-8:50 am

2 stops34h 56m

Kathmandu Tribhuvan

Sat 10/31

5:40 pm-12:56 am

2 stops42h 01m

$1,511
Quickest round-trip

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Wed 9/9

5:10 pm-8:50 am

2 stops28h 55m

Kathmandu Tribhuvan

Tue 9/22

6:00 pm-4:40 pm

2 stops33h 25m

$1,537

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Thu 9/3

6:45 pm-9:50 am

2 stops28h 20m

Kathmandu Tribhuvan

Thu 10/22

6:45 pm-6:20 pm

2 stops34h 20m

$1,542

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Thu 10/8

3:20 pm-4:45 pm

2 stops38h 40m

Kathmandu Tribhuvan

Thu 11/12

11:05 am-9:08 pm

2 stops45h 48m

$1,545

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Thu 9/10

3:34 pm-4:45 pm

2 stops38h 26m

Kathmandu Tribhuvan

Mon 9/14

6:00 pm-6:38 pm

2 stops59h 23m

$1,562

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 July is another great option to travel to Kathmandu, with average flight prices from St. Louis averaging around $1,395.

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 $1,610 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 $1,464 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

33h 04m

Direct flights

None
The fastest flight from St. Louis to Kathmandu takes 33h 04m
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 33h 04m 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 $1,249Free CancellationRating
7.3
3,743 reviews
Search Qatar Airways flights
Cathay PacificPriceFrom $1,295Free CancellationRating
7.6
1,408 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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 8/12
Wed 8/19
By creating a price alert you accept our terms of use and privacy policy.

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
Qatar Airways
Cathay Pacific