May is by far the best month, wherein you can get cheapest flights for Kathmandu to St Louis. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.
KTM
13:25
Kathmandu
Tribhuvan International Airport
Thu , 17 Jul 2025
STL
12:27
St Louis
St Louis Lambert International Airport
Fri, 18 Jul 2025
KTM
21:00
Kathmandu
Tribhuvan International Airport
Thu , 17 Jul 2025
STL
14:37
St Louis
St Louis Lambert International Airport
Fri, 18 Jul 2025
KTM
07:40
Kathmandu
Tribhuvan International Airport
Thu , 17 Jul 2025
STL
22:45
St Louis
St Louis Lambert International Airport
Thu, 17 Jul 2025
KTM
07:40
Kathmandu
Tribhuvan International Airport
Thu , 17 Jul 2025
STL
21:35
St Louis
St Louis Lambert International Airport
Thu, 17 Jul 2025
KTM
16:40
Kathmandu
Tribhuvan International Airport
Thu , 17 Jul 2025
STL
20:36
St Louis
St Louis Lambert International Airport
Fri, 18 Jul 2025
KTM
23:30
Kathmandu
Tribhuvan International Airport
Thu , 17 Jul 2025
STL
23:30
St Louis
St Louis Lambert International Airport
Sat, 19 Jul 2025
KTM
23:00
Kathmandu
Tribhuvan International Airport
Thu , 17 Jul 2025
STL
23:30
St Louis
St Louis Lambert International Airport
Fri, 18 Jul 2025
KTM
18:00
Kathmandu
Tribhuvan International Airport
Thu , 17 Jul 2025
STL
12:34
St Louis
St Louis Lambert International Airport
Fri, 18 Jul 2025
KTM
23:00
Kathmandu
Tribhuvan International Airport
Thu , 17 Jul 2025
STL
18:35
St Louis
St Louis Lambert International Airport
Fri, 18 Jul 2025
KTM
23:00
Kathmandu
Tribhuvan International Airport
Thu , 17 Jul 2025
STL
16:45
St Louis
St Louis Lambert International Airport
Fri, 18 Jul 2025
KTM
16:20
Kathmandu
Tribhuvan International Airport
Thu , 17 Jul 2025
STL
13:47
St Louis
St Louis Lambert International Airport
Fri, 18 Jul 2025
Flying from Kathmandu to St Louis has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between Kathmandu to St Louis is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Tribhuvan International Airport (KTM) and St Louis Lambert International Airport (STL). You can expect a flight distance of approximately 12613 km, and most direct services cover it in around 21:37.
Let’s take a closer look at everything you need to know before booking your flight from Kathmandu to St Louis.
Flight Details | Information |
---|---|
Route Distance | 12613 km |
Average Flight Time | 21:37 hrs |
Departure Airport | Tribhuvan International Airport (KTM) |
Arrival Airport | St Louis Lambert International Airport (STL) |
Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
Direct Flights | NO |
Common Airlines | Nepal Airlines, Air India, Turkish Airlines, KLM Royal Dutch Airlines |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.