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St Louis To Kathmandu Flights

  • One-Way
  • Round-Trip
  • Multi-City

From

Indira Gandhi International Airport

To

Chhatrapati Shivaji International Airport

DEPARTURE DATE

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Friday

Return Date

Book a round trip
to save more

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TRAVELLER & CLASS

1 Traveller

Economy

August
September
October
November
December
January
February
March
April

August is by far the best month, wherein you can get cheapest flights for St Louis to Kathmandu. 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.

disclDisclaimer - 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.

Best Flight From St Louis To Kathmandu

Cheapest
American Airlines
American Airlines

STL

06:31

St Louis

St Louis Lambert International Airport

Thu , 21 May 2026

39h 34m
ellipse
2 Stop

KTM

08:50

Kathmandu

Tribhuvan International Airport

Sat, 23 May 2026

£1321
American Airlines
American Airlines

STL

12:09

St Louis

St Louis Lambert International Airport

Thu , 21 May 2026

33h 56m
ellipse
2 Stop

KTM

08:50

Kathmandu

Tribhuvan International Airport

Sat, 23 May 2026

£1321
Qatar Airways
Qatar Airways

STL

06:31

St Louis

St Louis Lambert International Airport

Thu , 21 May 2026

47h 29m
ellipse
2 Stop

KTM

16:45

Kathmandu

Tribhuvan International Airport

Sat, 23 May 2026

£1517
Alaska Airlines
Alaska Airlines

STL

07:00

St Louis

St Louis Lambert International Airport

Thu , 21 May 2026

39h 05m
ellipse
2 Stop

KTM

08:50

Kathmandu

Tribhuvan International Airport

Sat, 23 May 2026

£1710
Qatar Airways
Qatar Airways

STL

19:47

St Louis

St Louis Lambert International Airport

Thu , 21 May 2026

26h 18m
ellipse
2 Stop

KTM

08:50

Kathmandu

Tribhuvan International Airport

Sat, 23 May 2026

£1804
Turkish Airlines
Turkish Airlines

STL

17:18

St Louis

St Louis Lambert International Airport

Thu , 21 May 2026

50h 12m
ellipse
2 Stop

KTM

06:15

Kathmandu

Tribhuvan International Airport

Sun, 24 May 2026

£2448
Cathay Pacific airways
Cathay Pacific airways

STL

19:47

St Louis

St Louis Lambert International Airport

Thu , 21 May 2026

39h 13m
ellipse
2 Stop

KTM

21:45

Kathmandu

Tribhuvan International Airport

Sat, 23 May 2026

£3793
United Airlines
United Airlines

STL

11:45

St Louis

St Louis Lambert International Airport

Thu , 21 May 2026

33h 30m
ellipse
2 Stop

KTM

08:00

Kathmandu

Tribhuvan International Airport

Sat, 23 May 2026

£7901
American Airlines
American Airlines

STL

06:30

St Louis

St Louis Lambert International Airport

Thu , 21 May 2026

39h 35m
ellipse
2 Stop

KTM

08:50

Kathmandu

Tribhuvan International Airport

Sat, 23 May 2026

£1294
Qatar Airways
Qatar Airways

STL

12:09

St Louis

St Louis Lambert International Airport

Thu , 21 May 2026

33h 56m
ellipse
2 Stop

KTM

08:50

Kathmandu

Tribhuvan International Airport

Sat, 23 May 2026

£1430
Qatar Airways
Qatar Airways

STL

19:47

St Louis

St Louis Lambert International Airport

Thu , 21 May 2026

26h 18m
ellipse
2 Stop

KTM

08:50

Kathmandu

Tribhuvan International Airport

Sat, 23 May 2026

£1506
ellipse

Early Morning Flight St Louis to Kathmandu

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Cheapest Flight
Found
£1321
group
Average Flight
Time
39h 34m
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Date/Time
21 May 2026
06:31 AM
plane
Airlines
American Airlines
Ellipse

Late Night Flight St Louis to Kathmandu

wallet
Cheapest Flight
Found
£1804
group
Average Flight
Time
26h 18m
calendar
Date/Time
21 May 2026
19:47 PM
plane
Airlines
Qatar Airways

Flights from St Louis to Kathmandu with Easemytrip

Flying from St Louis to Kathmandu 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 St Louis to Kathmandu is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between St Louis Lambert International Airport (STL) and Tribhuvan International Airport (KTM). You can expect a flight distance of approximately 12613 km, and most direct services cover it in around 02:38.

Let’s take a closer look at everything you need to know before booking your flight from St Louis to Kathmandu.

Travel Overview: St Louis to Kathmandu

Flight Details Information
Route Distance 12613 km
Average Flight Time 02:38 hrs
Departure Airport St Louis Lambert International Airport (STL)
Arrival Airport Tribhuvan International Airport (KTM)
Cabin Classes Available Economy Class, Premium Economy, Business Class, First Class
Direct Flights NO
Common Airlines American Airlines, Qatar Airways, Alaska Airlines, Turkish 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.

Read more

FAQs about flights from St Louis to Kathmandu

Are there direct flights from St Louis to Kathmandu?

How early should I book?

Which airlines offer the most frequent service?

Is it cheaper to fly round-trip or one-way?

Can I mix airlines for departure and return?

Is it possible to change or cancel my booking after confirmation?

Can I book additional baggage or in-flight services in advance?