$821+ Cheap flights from St. Louis (STL) to Kathmandu (KTM)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — KTM
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Kathmandu with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Kathmandu
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to KathmanduExplore the most affordable flight options available from St. Louis to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from St. Louis to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This oojo deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:02 am -
2 stops46h 38m
Wed 11/45:40 pm -
2 stops42h 04m
Deal found 9/12![Qatar Airways logo]()
$1,275
This oojo deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 am -
2 stops40h 05m
Sat 12/125:40 pm -
2 stops42h 04m
Deal found 9/16![Qatar Airways logo]()
$1,293
This Qatar Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:02 am -
2 stops44h 28m
Sat 12/125:40 pm -
2 stops57h 11m
Deal found 9/14![Qatar Airways logo]()
$1,391
This oojo deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:15 pm -
2 stops50h 20m
Tue 2/236:45 pm -
2 stops40h 44m
Deal found 9/14![Qatar Airways logo]()
$1,396
This oojo deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 am -
2 stops40h 05m
Thu 12/106:45 pm -
2 stops37h 26m
Deal found 9/16![Qatar Airways logo]()
$1,400
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:02 am -
2 stops47h 58m
Tue 11/179:35 am -
2 stops63h 01m
Deal found 9/13![Qatar Airways logo]()
$1,420
This Qatar Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:02 am -
2 stops47h 58m
Wed 12/95:40 pm -
2 stops57h 11m
Deal found 9/14![Qatar Airways logo]()
$1,422
This oojo deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:12 am -
2 stops41h 18m
Wed 12/95:40 pm -
2 stops42h 04m
Deal found 9/14![Qatar Airways logo]()
$1,440
This Qatar Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:02 am -
2 stops44h 28m
Sat 12/125:40 pm -
2 stops57h 11m
Deal found 9/14![Qatar Airways logo]()
$1,458
This Ovago deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:02 am -
2 stops48h 43m
Sat 11/75:40 pm -
2 stops42h 04m
Deal found 9/16![Multiple Airlines logo]()
$1,467
This KAYAK deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:02 am -
2 stops44h 28m
Fri 12/115:40 pm -
2 stops36h 22m
Deal found 9/14![Multiple Airlines logo]()
$1,472
This Qatar Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:26 am -
2 stops38h 39m
Fri 2/265:40 pm -
2 stops41h 49m
Deal found 9/14![Qatar Airways logo]()
$1,483
Best flights from St. Louis to KathmanduDiscover carefully curated flight deals from St. Louis to Kathmandu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from St. Louis to Kathmandu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Qatar Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:02 am -
2 stops44h 28m
Sat 12/125:40 pm -
2 stops57h 11m
Deal found 9/14![Qatar Airways logo]()
$1,391
This Ovago deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:02 am -
2 stops48h 43m
Sat 11/75:40 pm -
2 stops42h 04m
Deal found 9/16![Multiple Airlines logo]()
$1,467
This oojo deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 am -
2 stops40h 05m
Fri 12/116:45 pm -
2 stops36h 39m
Deal found 9/16![Qatar Airways logo]()
$1,400
This KAYAK deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:02 am -
2 stops44h 28m
Sat 11/2111:05 am -
2 stops46h 17m
Deal found 9/17![Multiple Airlines logo]()
$1,531
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:02 am -
2 stops47h 58m
Tue 11/179:35 am -
2 stops63h 01m
Deal found 9/13![Qatar Airways logo]()
$1,420
This Qatar Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:02 am -
2 stops44h 28m
Thu 12/105:40 pm -
2 stops38h 31m
Deal found 9/14![Qatar Airways logo]()
$1,505
This Qatar Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:02 am -
2 stops47h 58m
Tue 12/85:40 pm -
2 stops36h 22m
Deal found 9/14![Qatar Airways logo]()
$1,505
This Qatar Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:02 am -
2 stops47h 58m
Fri 12/115:40 pm -
2 stops40h 29m
Deal found 9/14![Qatar Airways logo]()
$1,505
This Qatar Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:02 am -
2 stops44h 28m
Tue 12/85:40 pm -
2 stops39h 52m
Deal found 9/14![Qatar Airways logo]()
$1,505
This KAYAK deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:07 pm -
2 stops57h 23m
Wed 10/217:00 pm -
2 stops30h 15m
Deal found 9/15![Qatar Airways logo]()
$1,573
This Qatar Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:21 am -
2 stops43h 24m
Mon 2/225:40 pm -
2 stops41h 49m
Deal found 9/14![Qatar Airways logo]()
$1,575
This Expedia deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:10 pm -
2 stops32h 20m
Sat 11/219:35 am -
2 stops48h 24m
Deal found 9/17![Qatar Airways logo]()
$1,699
Last-minute flights from St. Louis to KathmanduDiscover last-minute flight deals from St. Louis to Kathmandu. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Kathmandu. Data last updated September 17, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:12 am -
2 stops41h 18m
Wed 12/95:40 pm -
2 stops42h 04m
Deal found 9/14![Qatar Airways logo]()
$1,440
This KAYAK deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:02 am -
2 stops44h 28m
Sat 11/2111:05 am -
2 stops46h 17m
Deal found 9/17![Multiple Airlines logo]()
$1,531
This Qatar Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:02 am -
2 stops44h 28m
Sat 12/125:40 pm -
2 stops57h 11m
Deal found 9/14![Qatar Airways logo]()
$1,458
This Qatar Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:02 am -
2 stops44h 28m
Wed 12/95:40 pm -
2 stops57h 11m
Deal found 9/14![Qatar Airways logo]()
$1,489
This Qatar Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:02 am -
2 stops44h 28m
Sat 12/125:40 pm -
2 stops57h 11m
Deal found 9/14![Qatar Airways logo]()
$1,391
This Qatar Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:02 am -
2 stops47h 58m
Wed 12/95:40 pm -
2 stops57h 11m
Deal found 9/14![Qatar Airways logo]()
$1,422
This KAYAK deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:02 am -
2 stops44h 28m
Fri 12/115:40 pm -
2 stops36h 22m
Deal found 9/14![Multiple Airlines logo]()
$1,472
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:02 am -
2 stops47h 58m
Tue 11/179:35 am -
2 stops63h 01m
Deal found 9/13![Qatar Airways logo]()
$1,420
This Qatar Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:02 am -
2 stops47h 58m
Fri 12/115:40 pm -
2 stops40h 29m
Deal found 9/14![Qatar Airways logo]()
$1,505
This oojo deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:02 am -
2 stops46h 38m
Wed 11/45:40 pm -
2 stops42h 04m
Deal found 9/12![Qatar Airways logo]()
$1,275
This Qatar Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:30 pm -
2 stops32h 05m
Thu 2/255:40 pm -
2 stops41h 49m
Deal found 9/14![Qatar Airways logo]()
$1,523
This Ovago deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:02 am -
2 stops48h 43m
Sat 11/75:40 pm -
2 stops42h 04m
Deal found 9/16![Multiple Airlines logo]()
$1,467
One-way flights from St. Louis to KathmanduSearch for one-way flight options from St. Louis to Kathmandu. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from St. Louis to Kathmandu. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This FlightHub deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:26 am -
2 stops38h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Qatar Airways logo]()
$821
This FlightHub deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:12 am -
2 stops43h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Qatar Airways logo]()
$834
This KAYAK deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:07 pm -
2 stops57h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Qatar Airways logo]()
$857
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/183:30 pm -
3 stops41h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$861
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/183:40 pm -
3 stops51h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$1,007
This Mytrip deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:30 pm -
3 stops31h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$1,018
Find flight deals from St. Louis to Kathmandu
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Kathmandu (KTM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,275 (oojo) |
One-way from | $821 (FlightHub) |
Popular in | June |
Cheapest in | September |
Average price | $1,247 |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated September 17, 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
Cheapest round-trip
St. LouisKathmandu
STL Lambert-St Louis - KTM Kathmandu Tribhuvan
STLKTM
Lambert-St Louis
Wed 11/18
7:26 am-9:50 am
2 stops38h 39m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-12:30 pm
Nonstop0h 00m
$821
St. LouisKathmandu
STL Lambert-St Louis - KTM Kathmandu Tribhuvan
STLKTM
Lambert-St Louis
Mon 10/19
10:12 am-4:15 pm
2 stops43h 18m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-12:30 pm
Nonstop0h 00m
$834
St. LouisKathmandu
STL Lambert-St Louis - KTM Kathmandu Tribhuvan
STLKTM
Lambert-St Louis
Sun 10/18
6:07 pm-2:15 pm
2 stops57h 23m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-12:30 pm
Nonstop0h 00m
$857
St. LouisKathmandu
STL Lambert-St Louis - KTM Kathmandu Tribhuvan
STLKTM
Lambert-St Louis
Sun 10/18
3:30 pm-7:50 pm
3 stops41h 35m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-12:30 pm
Nonstop0h 00m
$861
St. LouisKathmandu
STL Lambert-St Louis - KTM Kathmandu Tribhuvan
STLKTM
Lambert-St Louis
Wed 11/18
3:40 pm-6:30 am
3 stops51h 05m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-12:30 pm
Nonstop0h 00m
$1,007
Quickest round-trip
St. LouisKathmandu
STL Lambert-St Louis - KTM Kathmandu Tribhuvan
STLKTM
Lambert-St Louis
Mon 10/19
3:30 pm-9:50 am
3 stops31h 35m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-12:30 pm
Nonstop0h 00m
$1,018
St. LouisKathmandu
STL Lambert-St Louis - KTM Kathmandu Tribhuvan
STLKTM
Lambert-St Louis
Wed 10/21
7:02 am-2:15 pm
2 stops44h 28m
Kathmandu Tribhuvan
Sat 12/12
5:40 pm-3:06 pm
2 stops57h 11m
$1,391
St. LouisKathmandu
STL Lambert-St Louis - KTM Kathmandu Tribhuvan
STLKTM
Lambert-St Louis
Tue 11/10
6:00 am-9:50 am
2 stops40h 05m
Kathmandu Tribhuvan
Fri 12/11
6:45 pm-7:39 pm
2 stops36h 39m
$1,400
St. LouisKathmandu
STL Lambert-St Louis - KTM Kathmandu Tribhuvan
STLKTM
Lambert-St Louis
Thu 10/22
7:02 am-5:45 pm
2 stops47h 58m
Kathmandu Tribhuvan
Tue 11/17
9:35 am-12:51 pm
2 stops63h 01m
$1,420
St. LouisKathmandu
STL Lambert-St Louis - KTM Kathmandu Tribhuvan
STLKTM
Lambert-St Louis
Sat 10/31
6:02 am-5:30 pm
2 stops48h 43m
Kathmandu Tribhuvan
Sat 11/7
5:40 pm-11:59 pm
2 stops42h 04m
$1,467
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Kathmandu
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Kathmandu in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Kathmandu flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Kathmandu flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Kathmandu flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Kathmandu flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Kathmandu flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Kathmandu
Have a flexible travel schedule? Discover the best time to fly to Kathmandu from St. Louis with our price prediction graph.
STL-KTM
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Kathmandu
Reviews of airlines servicing Kathmandu
Get insights into the airlines that provide service to Kathmandu. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kathmandu. Reviews last updated September 17, 2026.
Peruse reviews from past customers who have flown with Cathay Pacific and Qatar Airways from St. Louis to Kathmandu to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Overall
7.6
Comfort
7.6
Entertainment
7.8
Food
7.3
Boarding
7.9
Reviews
1 / 20
10.0
ExcellentErnest,Jun 2026
SFO - HKG
Crew
8.1
Overall
7.6
Comfort
7.6
Entertainment
7.8
Food
7.3
Boarding
7.9
Reviews
1 / 20
10.0
ExcellentErnest,Jun 2026
SFO - HKG
Crew
8.1
Overall
7.6
Comfort
7.6
Entertainment
7.8
Food
7.3
Boarding
7.9
Reviews
1 / 20
10.0
ExcellentErnest,Jun 2026
SFO - HKG
Related info for your journey
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Top 2 airlines flying from St. Louis to Kathmandu
Discover the top 2 airlines that operate flights from St. Louis to Kathmandu. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,218 | Average$1,581 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,295 | Average$1,783 | FlexibilityNo cancel fee | On-time72% |