$622+ Cheap flights from St. Louis (STL) to Kathmandu (KTM)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
STL — KTM
Sep 4 — Sep 111
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
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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 August 5, 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 August 5, 2026.
This oojo deal was found by Cheapflights users on 8/1. 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 10/207:02 am -
2 stops47h 43m
Wed 10/285:40 pm -
2 stops41h 04m
Deal found 8/1![Qatar Airways logo]()
$1,282
This oojo deal was found by Cheapflights users on 8/3. 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.
Sat 10/36:02 am -
2 stops47h 58m
Fri 10/236:00 pm -
2 stops40h 44m
Deal found 8/3![Qatar Airways logo]()
$1,321
This FlightHub deal was found by Cheapflights users on 7/30. 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.
Thu 9/106:43 pm -
2 stops27h 22m
Thu 9/176:00 pm -
2 stops40h 44m
Deal found 7/30![Qatar Airways logo]()
$1,384
This Justfly.com deal was found by Cheapflights users on 7/31. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:02 am -
2 stops40h 03m
Fri 9/113:30 pm -
2 stops35h 55m
Deal found 7/31![Qatar Airways logo]()
$1,406
This oojo deal was found by Cheapflights users on 8/3. 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 10/77:10 pm -
2 stops34h 50m
Wed 10/285:40 pm -
2 stops41h 04m
Deal found 8/3![Qatar Airways logo]()
$1,407
This oojo deal was found by Cheapflights users on 7/31. 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 9/146:29 am -
2 stops45h 01m
Mon 9/216:45 pm -
2 stops32h 40m
Deal found 7/31![Qatar Airways logo]()
$1,429
This Ovago deal was found by Cheapflights users on 7/31. 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.
Wed 9/303:34 pm -
2 stops35h 56m
Tue 10/206:00 pm -
2 stops40h 44m
Deal found 7/31![Qatar Airways logo]()
$1,453
This oojo deal was found by Cheapflights users on 8/1. 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.
Fri 11/67:00 am -
2 stops39h 05m
Fri 11/1311:05 am -
2 stops44h 22m
Deal found 8/1![Qatar Airways logo]()
$1,469
This oojo deal was found by Cheapflights users on 8/3. 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 10/57:02 am -
2 stops46h 58m
Sat 10/246:00 pm -
2 stops40h 28m
Deal found 8/3![Qatar Airways logo]()
$1,472
This oojo deal was found by Cheapflights users on 8/2. 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 9/1612:28 pm -
2 stops41h 17m
Wed 9/231:25 pm -
3 stops40h 03m
Deal found 8/2![Air India logo]()
$1,869
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 August 5, 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 August 5, 2026.
This oojo deal was found by Cheapflights users on 8/1. 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 10/207:02 am -
2 stops47h 43m
Wed 10/285:40 pm -
2 stops41h 04m
Deal found 8/1![Qatar Airways logo]()
$1,282
This KAYAK deal was found by Cheapflights users on 8/3. 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 10/57:01 pm -
3 stops48h 49m
Sat 10/249:10 pm -
2 stops28h 20m
Deal found 8/3![Multiple Airlines logo]()
$2,226
This oojo deal was found by Cheapflights users on 8/4. 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 10/57:02 am -
2 stops47h 43m
Fri 10/236:00 pm -
2 stops40h 44m
Deal found 8/4![Qatar Airways logo]()
$1,282
This oojo deal was found by Cheapflights users on 8/3. 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 10/77:10 pm -
2 stops34h 50m
Wed 10/285:40 pm -
2 stops41h 04m
Deal found 8/3![Qatar Airways logo]()
$1,407
This oojo deal was found by Cheapflights users on 8/1. 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 9/146:29 am -
2 stops45h 01m
Mon 9/216:45 pm -
2 stops32h 40m
Deal found 8/1![Qatar Airways logo]()
$1,429
This oojo deal was found by Cheapflights users on 8/1. 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.
Fri 11/67:00 am -
2 stops39h 05m
Fri 11/1311:05 am -
2 stops44h 22m
Deal found 8/1![Qatar Airways logo]()
$1,469
This Qatar Airways deal was found by Cheapflights users on 8/3. 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 1/283:24 pm -
2 stops62h 21m
Mon 2/16:45 pm -
2 stops55h 26m
Deal found 8/3![Qatar Airways logo]()
$1,498
This Qatar Airways deal was found by Cheapflights users on 8/4. 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 10/53:20 pm -
2 stops36h 10m
Sat 10/246:00 pm -
2 stops31h 15m
Deal found 8/4![Qatar Airways logo]()
$1,696
This Qatar Airways deal was found by Cheapflights users on 7/31. 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 12/221:59 pm -
2 stops30h 36m
Tue 1/126:45 pm -
2 stops55h 26m
Deal found 7/31![Qatar Airways logo]()
$2,415
This Qatar Airways deal was found by Cheapflights users on 7/31. 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 12/202:50 pm -
2 stops38h 55m
Tue 1/125:40 pm -
2 stops56h 31m
Deal found 7/31![Qatar Airways logo]()
$2,418
Last-minute flights from St. Louis to KathmanduDiscover last-minute flight deals from St. Louis to Kathmandu. Data last updated August 5, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Kathmandu. Data last updated August 5, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 7/31. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:02 am -
2 stops40h 03m
Fri 9/113:30 pm -
2 stops35h 55m
Deal found 7/31![Qatar Airways logo]()
$1,406
This Gotogate deal was found by Cheapflights users on 7/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:02 am -
2 stops40h 03m
Thu 9/1012:25 am -
3 stops28h 58m
Deal found 7/31![Multiple Airlines logo]()
$2,207
This Gotogate deal was found by Cheapflights users on 7/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:02 am -
2 stops40h 03m
Thu 9/1012:25 am -
3 stops28h 58m
Deal found 7/31![Multiple Airlines logo]()
$2,209
This Mytrip deal was found by Cheapflights users on 8/3. 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 8/313:30 pm -
3 stops35h 55m
Mon 9/73:30 pm -
3 stops33h 15m
Deal found 8/3![Multiple Airlines logo]()
$2,202
This FlightHub deal was found by Cheapflights users on 7/30. 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.
Thu 9/106:43 pm -
2 stops27h 22m
Thu 9/176:00 pm -
2 stops40h 44m
Deal found 7/30![Qatar Airways logo]()
$1,384
This oojo deal was found by Cheapflights users on 7/31. 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 9/146:29 am -
2 stops45h 01m
Mon 9/216:45 pm -
2 stops32h 40m
Deal found 7/31![Qatar Airways logo]()
$1,429
This Mytrip deal was found by Cheapflights users on 7/31. 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 9/1412:10 pm -
3 stops35h 50m
Mon 9/2111:00 pm -
3 stops32h 05m
Deal found 7/31![Multiple Airlines logo]()
$2,146
This oojo deal was found by Cheapflights users on 8/2. 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 9/166:29 am -
2 stops47h 31m
Wed 9/236:45 pm -
2 stops39h 59m
Deal found 8/2![Qatar Airways logo]()
$1,282
This oojo deal was found by Cheapflights users on 8/2. 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 9/1612:28 pm -
2 stops41h 17m
Wed 9/231:25 pm -
3 stops40h 03m
Deal found 8/2![Air India logo]()
$1,869
This Mytrip deal was found by Cheapflights users on 8/2. 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.
Wed 9/1612:10 pm -
3 stops34h 10m
Tue 9/2212:25 am -
3 stops30h 40m
Deal found 8/2![Multiple Airlines logo]()
$2,370
This Ovago deal was found by Cheapflights users on 7/31. 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.
Wed 9/303:34 pm -
2 stops35h 56m
Tue 10/206:00 pm -
2 stops40h 44m
Deal found 7/31![Qatar Airways logo]()
$1,453
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 August 5, 2026.
Search for one-way flight options from St. Louis to Kathmandu. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Mon 8/316:17 pm -
3 stops58h 38m
Deal found 8/1![Multiple Airlines logo]()
$622
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Mon 9/76:17 pm -
3 stops52h 48m
Deal found 8/2![Multiple Airlines logo]()
$626
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/92:29 pm -
3 stops32h 36m
Deal found 8/2![Multiple Airlines logo]()
$633
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Mon 10/52:29 pm -
3 stops42h 36m
Deal found 8/4![Multiple Airlines logo]()
$662
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Fri 9/112:29 pm -
3 stops42h 36m
Deal found 8/2![Multiple Airlines logo]()
$687
This Mytrip deal was found by Cheapflights users on 8/2. 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.
Tue 9/83:30 pm -
3 stops35h 55m
Deal found 8/2![Multiple Airlines logo]()
$784
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 10/410:20 am -
3 stops41h 05m
Deal found 8/4![Multiple Airlines logo]()
$795
This oojo deal was found by Cheapflights users on 7/31. 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 10/207:10 pm -
2 stops32h 20m
Deal found 7/31![Qatar Airways logo]()
$825
This oojo deal was found by Cheapflights users on 8/2. 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 10/191:06 pm -
2 stops38h 24m
Deal found 8/2![Qatar Airways logo]()
$828
This FlightHub deal was found by Cheapflights users on 8/4. 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 10/53:20 pm -
2 stops38h 40m
Deal found 8/4![Qatar Airways logo]()
$829
This FlightHub deal was found by Cheapflights users on 8/4. 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.
Sun 10/43:34 pm -
2 stops38h 26m
Deal found 8/4![Qatar Airways logo]()
$830
This oojo deal was found by Cheapflights users on 8/2. 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.
Fri 9/112:11 pm -
2 stops31h 54m
Deal found 8/2![Qatar Airways logo]()
$865
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 August 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,282 (oojo) |
One-way from | $622 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,520 |
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 2,558,603 searches. Data last updated August 5, 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 - KTM
STLKTM
Lambert-St Louis
Tue 10/20
7:02 am-5:30 pm
2 stops47h 43m
Kathmandu Tribhuvan
Wed 10/28
5:40 pm-11:59 pm
2 stops41h 04m
$1,282
St. LouisKathmandu
STL - KTM
STLKTM
Lambert-St Louis
Mon 10/5
7:02 am-5:30 pm
2 stops47h 43m
Kathmandu Tribhuvan
Fri 10/23
6:00 pm-11:59 pm
2 stops40h 44m
$1,282
St. LouisKathmandu
STL - KTM
STLKTM
Lambert-St Louis
Wed 10/7
7:10 pm-4:45 pm
2 stops34h 50m
Kathmandu Tribhuvan
Wed 10/28
5:40 pm-11:59 pm
2 stops41h 04m
$1,407
St. LouisKathmandu
STL - KTM
STLKTM
Lambert-St Louis
Mon 9/14
6:29 am-2:15 pm
2 stops45h 01m
Kathmandu Tribhuvan
Mon 9/21
6:45 pm-4:40 pm
2 stops32h 40m
$1,429
St. LouisKathmandu
STL - KTM
STLKTM
Lambert-St Louis
Fri 11/6
7:00 am-9:50 am
2 stops39h 05m
Kathmandu Tribhuvan
Fri 11/13
11:05 am-7:42 pm
2 stops44h 22m
$1,469
St. LouisKathmandu
STL - KTM
STLKTM
Lambert-St Louis
Thu 1/28
3:24 pm-5:30 pm
2 stops62h 21m
Kathmandu Tribhuvan
Mon 2/1
6:45 pm-2:26 pm
2 stops55h 26m
$1,498
Quickest round-trip
St. LouisKathmandu
STL - KTM
STLKTM
Lambert-St Louis
Mon 10/5
3:20 pm-2:15 pm
2 stops36h 10m
Kathmandu Tribhuvan
Sat 10/24
6:00 pm-2:30 pm
2 stops31h 15m
$1,696
St. LouisKathmandu
STL - KTM
STLKTM
Lambert-St Louis
Mon 10/5
7:01 pm-6:35 am
3 stops48h 49m
Kathmandu Tribhuvan
Sat 10/24
9:10 pm-2:45 pm
2 stops28h 20m
$2,226
St. LouisKathmandu
STL - KTM
STLKTM
Lambert-St Louis
Tue 12/22
1:59 pm-8:20 am
2 stops30h 36m
Kathmandu Tribhuvan
Tue 1/12
6:45 pm-2:26 pm
2 stops55h 26m
$2,415
St. LouisKathmandu
STL - KTM
STLKTM
Lambert-St Louis
Sun 12/20
2:50 pm-5:30 pm
2 stops38h 55m
Kathmandu Tribhuvan
Tue 1/12
5:40 pm-2:26 pm
2 stops56h 31m
$2,418
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 August.
| 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 Accuracy- | Trust Score*1 star | |
| 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
How far ahead should I book a flight from St. Louis to Kathmandu?
The best time to book flights from St. Louis to Kathmandu is 18 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from St. Louis to Kathmandu?
Currently, February is the cheapest month in which you can book a flight from St. Louis to Kathmandu (average of $1,393). Flying from St. Louis to Kathmandu in June is currently the most expensive (average of $2,118). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from St. Louis to Kathmandu?
Airfare is below average for this route at the moment.
St. Louis to Kathmandu flights typically cost between $1,489 and $1,523 in October.The cheapest round-trip price found within the last 5 days was $1,282 on Qatar Airways (Oct 20-Oct 28).
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 August 5, 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.
Comfort
7.5
Entertainment
7.7
Overall
7.6
Crew
8.1
Food
7.3
Boarding
7.9
Reviews
1 / 20
10.0
ExcellentErnest,Jun 2026
SFO - HKG
Comfort
7.5
Entertainment
7.7
Overall
7.6
Crew
8.1
Food
7.3
Boarding
7.9
Reviews
1 / 20
10.0
ExcellentErnest,Jun 2026
SFO - HKG
Comfort
7.5
Entertainment
7.7
Overall
7.6
Crew
8.1
Food
7.3
Boarding
7.9
Reviews
1 / 20
10.0
ExcellentErnest,Jun 2026
SFO - HKG
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Kathmandu. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Kathmandu?
Book flights to Kathmandu if you plan to visit one of these locationsNagarkot
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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 2,558,603 searches. Data last updated August 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,247 | Average$1,565 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,295 | Average$1,783 | FlexibilityNo cancel fee | On-time72% |