STL - KTM

$786 Find Cheap Flights from St. Louis to Kathmandu - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,237
Typical prices: $1,436-$1,834
Qatar Airways
Fri 10/26Fri 11/2
STL - KTM • 2 stops
Cheapest one-way
$786
Typical prices: $778-$1,035
Multiple Airlines
Thu 11/22
STL - KTM • 3 stops
When to book
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 22% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 14% price drop
Most popular
Good to know
+1
Good to know
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Booking Insights
Flight Deals

Cheap Flights from St. Louis to Kathmandu (STL-KTM)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Kathmandu

Mon, Oct 26 - Mon, Nov 2
Qatar Airways Logo
7:02 am - 9:50 amSTL  Lambert-St Louis-KTM Kathmandu Tribhuvan
40h 03m2 stops Seattle/Tacoma Intl Doha Hamad Intl
Qatar Airways Logo
5:40 pm - 2:25 pmKTM  Kathmandu Tribhuvan-STL Lambert-St Louis
56h 30m2 stops Doha Hamad Intl Seattle/Tacoma Intl
$1,237Qatar Airways
Tue, Feb 23 - Wed, May 5
Qatar Airways Logo
7:00 am - 4:25 pmSTL  Lambert-St Louis-KTM Kathmandu Tribhuvan
45h 40m2 stops Seattle/Tacoma Intl Doha Hamad Intl
Qatar Airways Logo
10:05 am - 11:44 pmKTM  Kathmandu Tribhuvan-STL Lambert-St Louis
48h 24m2 stops Doha Hamad Intl Seattle/Tacoma Intl
$1,245Qatar Airways
Wed, Oct 28 - Wed, Nov 4
Qatar Airways Logo
7:02 am - 4:25 pmSTL  Lambert-St Louis-KTM Kathmandu Tribhuvan
46h 38m2 stops Seattle/Tacoma Intl Doha Hamad Intl
Qatar Airways Logo
5:40 pm - 11:59 pmKTM  Kathmandu Tribhuvan-STL Lambert-St Louis
42h 04m2 stops Doha Hamad Intl Seattle/Tacoma Intl
$1,275Qatar Airways
Sun, Oct 25 - Sun, Nov 1
Multiple Airlines Logo
7:02 am - 4:25 pmSTL  Lambert-St Louis-KTM Kathmandu Tribhuvan
46h 38m2 stops Seattle/Tacoma Intl Doha Hamad Intl
Multiple Airlines Logo
5:40 pm - 11:59 pmKTM  Kathmandu Tribhuvan-STL Lambert-St Louis
42h 04m2 stops Doha Hamad Intl Seattle/Tacoma Intl
$1,305Multiple Airlines
Wed, Oct 21 - Sat, Dec 12
Qatar Airways Logo
7:02 am - 2:15 pmSTL  Lambert-St Louis-KTM Kathmandu Tribhuvan
44h 28m2 stops Seattle/Tacoma Intl Doha Hamad Intl
Qatar Airways Logo
5:40 pm - 3:06 pmKTM  Kathmandu Tribhuvan-STL Lambert-St Louis
57h 11m2 stops Doha Hamad Intl Seattle/Tacoma Intl
$1,391Qatar Airways
Thu, Oct 22 - Sat, Dec 12
Qatar Airways Logo
7:02 am - 5:45 pmSTL  Lambert-St Louis-KTM Kathmandu Tribhuvan
47h 58m2 stops Seattle/Tacoma Intl Doha Hamad Intl
Qatar Airways Logo
5:40 pm - 3:06 pmKTM  Kathmandu Tribhuvan-STL Lambert-St Louis
57h 11m2 stops Doha Hamad Intl Seattle/Tacoma Intl
$1,391Qatar Airways
Mon, Nov 2 - Tue, Feb 23
Qatar Airways Logo
6:15 pm - 8:20 amSTL  Lambert-St Louis-KTM Kathmandu Tribhuvan
50h 20m2 stops Miami Doha Hamad Intl
Qatar Airways Logo
6:45 pm - 11:44 pmKTM  Kathmandu Tribhuvan-STL Lambert-St Louis
40h 44m2 stops Doha Hamad Intl Seattle/Tacoma Intl
$1,396Qatar Airways
Thu, Oct 22 - Tue, Nov 17
Qatar Airways Logo
7:02 am - 5:45 pmSTL  Lambert-St Louis-KTM Kathmandu Tribhuvan
47h 58m2 stops Seattle/Tacoma Intl Doha Hamad Intl
Qatar Airways Logo
9:35 am - 12:51 pmKTM  Kathmandu Tribhuvan-STL Lambert-St Louis
63h 01m2 stops Doha Hamad Intl Philadelphia
$1,420Qatar Airways
Thu, Oct 22 - Wed, Dec 9
Qatar Airways Logo
7:02 am - 5:45 pmSTL  Lambert-St Louis-KTM Kathmandu Tribhuvan
47h 58m2 stops Seattle/Tacoma Intl Doha Hamad Intl
Qatar Airways Logo
5:40 pm - 3:06 pmKTM  Kathmandu Tribhuvan-STL Lambert-St Louis
57h 11m2 stops Doha Hamad Intl Seattle/Tacoma Intl
$1,422Qatar Airways
Wed, Oct 21 - Fri, Dec 11
Multiple Airlines Logo
7:02 am - 2:15 pmSTL  Lambert-St Louis-KTM Kathmandu Tribhuvan
44h 28m2 stops Seattle/Tacoma Intl Doha Hamad Intl
Multiple Airlines Logo
5:40 pm - 6:17 pmKTM  Kathmandu Tribhuvan-STL Lambert-St Louis
36h 22m2 stops Doha Hamad Intl Chicago O'Hare Intl
$1,472Multiple Airlines
Booking Insights

Price, demand and travel trends for St. Louis to Kathmandu flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from St. Louis to Kathmandu with more confidence.

How much is a round-trip flight from St. Louis to Kathmandu?

Round-trip flights from St. Louis to Kathmandu start at $1,237. Prices are below average for this route right now, with typical round-trip fares ranging from $1,436 to $1,834. The lowest price found in the past 5 days was $1,237 on Qatar Airways.

What's the cheapest day of the week to fly from St. Louis to Kathmandu?

Monday is the cheapest day of the week to fly from St. Louis to Kathmandu, it is 6% cheaper than the average day. Sunday is the most expensive day with flight prices 10% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from St. Louis to Kathmandu?

  • February is the cheapest month to fly from St. Louis to Kathmandu at $1,357 round-trip.
  • June ($2,084) and December ($1,932) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 53% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from St. Louis to Kathmandu the cheapest?

Flights from St. Louis to Kathmandu are cheapest 3 weeks before departure. Booking in this window typically costs about 22% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for St. Louis to Kathmandu flights

Low season

August

Cheapest flight

$786
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 10% increase in price.
Flight from St. Louis to Kathmandu

When to book flights from St. Louis to Kathmandu

Are your dates flexible? Find out the best times to travel from St. Louis to Kathmandu based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your St. Louis to Kathmandu flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • What are the layover options between St Louis and Kathmandu?

    Due to the long nature of this flight, there are multiple cities and airports where you can have your layover. For most flights with two tops, the first layover is in the United States, mostly Boston, Chicago, and New York, while the other layover is either in Doha or Istanbul, depending on if you are flying with Turkish Airlines or Qatar Airways.

  • Do I need a visa to fly to Kathmandu?

    Yes, a visa is one of the requirements by immigration officials for US citizens to be allowed past customs. You can apply for the visa online before traveling or at the airport. Other mandatory documents include your original passport, which should have six months of validity remaining at the time of entry, and a blank visa page.

  • Which is the most convenient mode of transport from Kathmandu Airport (KTM)?

    If by convenience you mean ease of access, reliability, and comfort, taxis are the best way to get from the airport to the city center. While there are buses that run from Tribhuvan International Airport, this is not an ideal way to get from the airport. The buses are often crowded and run infrequently, therefore cannot be relied on. Instead, you’re better off getting a taxi from the arrivals hall.

  • Does St Louis Lambert International Airport have any lounges?

    Yes, the airport has four lounges where travelers can stay while waiting to board their flights. The American Airlines Admirals Club is the only airline-affiliated lounge at the airport and is located in Terminal 1 near Gate C between Concourses B and C. The Wingtips lounge is located near Gate E22 in Terminal 2, and the USO Lounge has two locations: lower level Terminal 1 and the Baggage Claim area in Terminal 2.

  • Which airports can I use when flying from St. Louis to Kathmandu?

    Flights from St. Louis to Kathmandu usually depart from Lambert-St Louis (STL) and arrive at Kathmandu Tribhuvan (KTM).

  • What cabin classes can I book on flights from St. Louis to Kathmandu?

    Only Economy Class is available on flights from St. Louis to Kathmandu.

  • Can I save money by using flexible dates for flights from St. Louis to Kathmandu?

    Yes. Being flexible with your travel dates can save you up to 15% on the St. Louis to Kathmandu route. Monday is the cheapest departure day at $1,489 round-trip on average, while Sunday is the most expensive at $1,742, a difference of $253. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Kathmandu?

    Garden of Dreams is one of the most viewed places in Kathmandu on KAYAK.

  • How expensive are last-minute St. Louis to Kathmandu flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 10% above the route average of $1,570. Book 3 weeks before departure for the lowest fares.

  • Do I need a passport to fly from St. Louis to Kathmandu?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from St. Louis to Kathmandu changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,237 to $11,092. That means the highest observed fare was about 9x higher than the lowest one.

  • How are flight prices from St. Louis to Kathmandu looking right now?

    One-way fares from St. Louis to Kathmandu are currently in line with typical prices for this route. Average one-way fares are about $908.

  • What is the time difference between St. Louis and Kathmandu?

    Kathmandu is 10 hours ahead of St. Louis (Nepal Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • How much should I expect to pay for a St. Louis to Kathmandu flight?

    Round-trip flights from St. Louis to Kathmandu range from $1,436 to $1,834, with an average of $1,570 over the past 12 months. Anything below $1,436 counts as a good deal.

Your guide to booking St. Louis to Kathmandu flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Monday departure instead of Sunday. On this route, Monday flights average $1,489 - about $253 less than Sunday (15% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 3 weeks before you fly. On this route, that window historically saves about 22% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your St. Louis to Kathmandu trip for February. Fares historically average $1,357 round-trip in that month - typically $727 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Kathmandu Tribhuvan Airport.
    - The Everest Hotel Kathmandu
    - Vannasut Hotel and Spa
    - The Dwarika's
  • If you plan to leave your car at St. Louis-Lambert International Airport (STL), consider using the offsite parking lots or at least compare the prices charged by airport parking to those charged by the offsite parking lots. You could end up paying up to 50% less when using airport parking.
  • You can find the Information Desk at STL near the baggage claim area in Terminal 1. If you’re in Terminal 2, you can still reach the Information Booth via the courtesy phones located in the baggage claim area or at Gate E10.
  • When booking connecting flights, please avoid those with a red hazard icon where the number of stops is indicated. The red hazard indicates that that particular flight is self-transfer; therefore, the onus is on you to ensure that you check yourself and your luggage into each flight.
  • STL has a play area called the St. Louis International Play Port, where you can bring the children to have fun and burn any reserve energy off before boarding your flight. It is located in Concourse C near Gate C3.
  • It is worth mentioning that there aren’t any direct flights from St Louis to Kathmandu. There are also no flights with one stop, and the quickest flight you can get on this route involves at least two stops. It is, therefore, important that you know this and prepares accordingly for long layovers.

More options for your flight from St. Louis to Kathmandu

Complete your trip to Kathmandu with a hotel stay or car rental