Cheap flights from St. Louis to Kathmandu from $698
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 2/2. 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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Fly to
Route
Depart
Return
St. LouisKathmandu
STL Lambert-St Louis - KTM Kathmandu Tribhuvan
STLKTM
Lambert-St Louis
Mon 2/1
7:29 am-11:20 am
2 stops40h 06m
Kathmandu Tribhuvan
Mon 2/15
12:45 pm-7:40 am
2 stops54h 40m
St. LouisKathmandu
STL Lambert-St Louis - KTM Kathmandu Tribhuvan
STLKTM
Lambert-St Louis
Fri 10/23
4:42 pm-2:35 pm
2 stops59h 08m
Kathmandu Tribhuvan
Mon 11/23
9:35 am-9:50 pm
2 stops48h 00m
St. LouisKathmandu
STL Lambert-St Louis - KTM Kathmandu Tribhuvan
STLKTM
Lambert-St Louis
Fri 10/23
4:42 pm-2:35 pm
2 stops59h 08m
Kathmandu Tribhuvan
Sat 11/21
9:35 am-7:27 pm
2 stops45h 37m
St. LouisKathmandu
STL Lambert-St Louis - KTM Kathmandu Tribhuvan
STLKTM
Lambert-St Louis
Mon 3/1
10:20 am-4:15 pm
2 stops42h 10m
Kathmandu Tribhuvan
Thu 4/1
6:00 pm-9:09 pm
2 stops37h 54m
St. LouisKathmandu
STL Lambert-St Louis - KTM Kathmandu Tribhuvan
STLKTM
Lambert-St Louis
Mon 11/23
6:55 pm-8:20 am
2 stops25h 40m
Kathmandu Tribhuvan
Mon 11/30
11:05 am-9:50 pm
2 stops46h 30m
St. LouisKathmandu
STL Lambert-St Louis - KTM Kathmandu Tribhuvan
STLKTM
Lambert-St Louis
Tue 2/9
11:22 am-4:15 pm
2 stops41h 08m
Kathmandu Tribhuvan
Mon 2/15
7:00 pm-6:11 pm
2 stops34h 56m
St. LouisKathmandu
STL Lambert-St Louis - KTM Kathmandu Tribhuvan
STLKTM
Lambert-St Louis
Sat 11/28
6:55 pm-5:45 pm
2 stops35h 05m
Kathmandu Tribhuvan
Sat 12/5
7:00 pm-6:49 pm
2 stops35h 34m
St. LouisKathmandu
STL Lambert-St Louis - KTM Kathmandu Tribhuvan
STLKTM
Lambert-St Louis
Sat 11/7
1:15 pm-5:45 pm
2 stops40h 45m
Kathmandu Tribhuvan
Sat 11/14
9:35 am-7:22 pm
2 stops45h 32m
St. LouisKathmandu
STL Lambert-St Louis - KTM Kathmandu Tribhuvan
STLKTM
Lambert-St Louis
Tue 1/5
1:51 pm-8:20 am
2 stops30h 44m
Kathmandu Tribhuvan
Tue 1/12
5:30 pm-6:40 pm
2 stops36h 55m
St. LouisKathmandu
STL Lambert-St Louis - KTM Kathmandu Tribhuvan
STLKTM
Lambert-St Louis
Fri 10/23
2:40 pm-8:05 am
3 stops30h 40m
Kathmandu Tribhuvan
Thu 11/26
10:45 am-5:40 pm
3 stops42h 40m
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?
Prices are currently low for flights on this route.
Typical prices usually range from $1,442 to $1,585.The lowest price recently found on this route was $1,439.
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 84% 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 to book flights from St. Louis to Kathmandu
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
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 25h 40m 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 October 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 84% of all bookings. The subsequent popular airlines are Cathay Pacific at 10% and Turkish Airlines at 6%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $1,218 | Free Cancellation | Rating 7.3 3,724 reviews | |||
| PriceFrom $1,295 | Free Cancellation | Rating 7.6 1,511 reviews | |||
| PriceFrom $1,430 | Free Cancellation | Rating 7.4 4,455 reviews |
Traveling to a place near Kathmandu?
Book flights to Kathmandu if you plan to visit one of these locationsWhy 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.