$175+ Cheap flights from Kathmandu (KTM) to Southeast Asia
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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — BKK
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from Kathmandu to Southeast Asia 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 Kathmandu to Southeast Asia
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Cheapest flights from Kathmandu to Southeast AsiaExplore the most affordable flight options available from Kathmandu to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from Kathmandu to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:25 am -
Nonstop3h 30m
Wed 9/2310:15 am -
Nonstop3h 25m
Deal found 9/13![Thai Airways logo]()
$342
This Mytrip deal was found by Cheapflights users on 9/11. 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.
Sun 9/131:30 pm -
Nonstop3h 30m
Sat 9/1910:15 am -
Nonstop3h 25m
Deal found 9/11![Thai Airways logo]()
$343
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:30 am -
1 stop12h 40m
Wed 9/237:30 am -
1 stop10h 15m
Deal found 9/13![Air India logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 12/183:05 pm -
Nonstop3h 20m
Sun 12/2712:00 pm -
Nonstop3h 20m
Deal found 9/10![Thai Lion Air logo]()
$345
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:25 am -
Nonstop3h 30m
Tue 9/2210:15 am -
Nonstop3h 25m
Deal found 9/14![Thai Airways logo]()
$346
This Super.com deal was found by Cheapflights users on 9/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:30 am -
1 stop12h 40m
Sat 9/197:30 am -
1 stop13h 55m
Deal found 9/11![Air India logo]()
$349
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:25 am -
Nonstop3h 30m
Sat 9/199:15 pm -
Nonstop3h 25m
Deal found 9/13![Thai Airways logo]()
$350
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:25 am -
Nonstop3h 30m
Tue 9/2210:15 am -
Nonstop3h 25m
Deal found 9/14![Thai Airways logo]()
$351
This CheapOair deal was found by Cheapflights users on 9/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2912:25 am -
Nonstop3h 30m
Mon 1/49:15 pm -
Nonstop3h 25m
Deal found 9/11![Thai Airways logo]()
$352
This OneTravel 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/241:30 pm -
Nonstop3h 30m
Sun 1/39:15 pm -
Nonstop3h 25m
Deal found 9/12![Thai Airways logo]()
$353
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:25 am -
Nonstop3h 30m
Wed 9/2310:15 am -
Nonstop3h 25m
Deal found 9/12![Thai Airways logo]()
$356
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:30 pm -
Nonstop3h 30m
Wed 9/2310:15 am -
Nonstop3h 25m
Deal found 9/13![Thai Airways logo]()
$357
Best flights from Kathmandu to Southeast AsiaDiscover carefully curated flight deals from Kathmandu to Southeast Asia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from Kathmandu to Southeast Asia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/3112:25 am -
Nonstop3h 30m
Wed 2/1010:15 am -
Nonstop3h 25m
Deal found 9/12![Thai Airways logo]()
$398
This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:40 pm -
1 stop29h 05m
Sat 12/266:00 am -
1 stop19h 10m
Deal found 9/11![Air India logo]()
$400
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2011:10 am -
Nonstop3h 20m
Fri 11/274:45 pm -
Nonstop3h 30m
Deal found 9/14![Nepal Airlines logo]()
$458
This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:40 pm -
1 stop29h 05m
Sat 12/266:10 pm -
Nonstop4h 40m
Deal found 9/11![Multiple Airlines logo]()
$480
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/102:05 pm -
1 stop25h 25m
Sat 10/177:45 pm -
1 stop19h 35m
Deal found 9/12![IndiGo logo]()
$531
This Singapore Airlines 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2110:55 pm -
1 stop18h 35m
Sun 1/241:35 pm -
1 stop9h 30m
Deal found 9/14![Singapore Airlines logo]()
$532
This Malaysia Airlines 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1110:45 pm -
Nonstop4h 45m
Mon 1/257:15 pm -
Nonstop4h 45m
Deal found 9/14![Malaysia Airlines logo]()
$532
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:15 am -
Nonstop4h 45m
Wed 11/46:15 pm -
Nonstop4h 40m
Deal found 9/13![Hahn Air Systems logo]()
$585
This OneTravel 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:25 pm -
1 stop14h 00m
Mon 10/199:15 am -
1 stop8h 05m
Deal found 9/12![Batik Air logo]()
$892
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:30 am -
1 stop13h 15m
Sun 11/16:00 am -
1 stop29h 20m
Deal found 9/14![Air India logo]()
$474
This Air India deal was found by Cheapflights users on 9/10. 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 Air India is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:30 am -
1 stop12h 55m
Mon 10/266:00 am -
1 stop10h 10m
Deal found 9/10![Air India logo]()
$480
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:30 pm -
1 stop25h 55m
Mon 10/191:35 pm -
Nonstop4h 45m
Deal found 9/12![Multiple Airlines logo]()
$541
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:25 am -
Nonstop3h 30m
Mon 10/199:15 pm -
Nonstop3h 25m
Deal found 9/12![Thai Airways logo]()
$580
This Malaysia Airlines deal was found by Cheapflights users on 9/10. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1110:45 pm -
2 stops32h 50m
Sat 2/205:05 pm -
1 stop29h 55m
Deal found 9/10![Malaysia Airlines logo]()
$585
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:30 am -
1 stop13h 15m
Sun 11/11:35 pm -
Nonstop4h 45m
Deal found 9/14![Multiple Airlines logo]()
$543
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:40 pm -
1 stop28h 45m
Mon 10/266:00 am -
1 stop10h 10m
Deal found 9/13![Air India logo]()
$509
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2012:25 am -
1 stop15h 35m
Sat 12/263:55 pm -
1 stop9h 45m
Deal found 9/10![Thai Airways logo]()
$581
This Malaysia Airlines deal was found by Cheapflights users on 9/10. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/141:00 pm -
1 stop27h 25m
Tue 12/228:05 pm -
1 stop17h 10m
Deal found 9/10![Malaysia Airlines logo]()
$606
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:05 pm -
Nonstop3h 20m
Mon 10/199:15 am -
1 stop8h 05m
Deal found 9/12![Multiple Airlines logo]()
$561
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:30 pm -
Nonstop3h 30m
Sun 10/410:15 am -
Nonstop3h 25m
Deal found 9/14![Thai Airways logo]()
$614
This Singapore Airlines 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:55 pm -
Nonstop5h 05m
Sun 12/206:55 pm -
Nonstop5h 10m
Deal found 9/13![Singapore Airlines logo]()
$750
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:15 am -
Nonstop4h 45m
Wed 11/48:50 am -
1 stop29h 15m
Deal found 9/13![Multiple Airlines logo]()
$570
This Malaysia Airlines deal was found by Cheapflights users on 9/10. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1310:45 pm -
1 stop17h 40m
Tue 12/226:35 am -
1 stop16h 25m
Deal found 9/10![Malaysia Airlines logo]()
$637
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:30 am -
1 stop13h 05m
Sun 10/2510:30 pm -
1 stop26h 40m
Deal found 9/14![Air India logo]()
$610
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1812:25 am -
Nonstop3h 30m
Fri 11/2710:15 am -
Nonstop3h 25m
Deal found 9/14![Thai Airways logo]()
$639
This CheapOair deal was found by Cheapflights users on 9/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:50 pm -
Nonstop4h 45m
Fri 12/46:15 pm -
Nonstop4h 40m
Deal found 9/11![Multiple Airlines logo]()
$583
This Malaysia Airlines deal was found by Cheapflights users on 9/10. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/91:00 pm -
1 stop12h 25m
Tue 1/266:40 am -
1 stop17h 20m
Deal found 9/10![Malaysia Airlines logo]()
$648
This Singapore Airlines 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:10 pm -
Nonstop4h 50m
Mon 10/266:55 pm -
Nonstop5h 00m
Deal found 9/14![Singapore Airlines logo]()
$837
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/29:25 pm -
1 stop14h 00m
Wed 12/912:05 pm -
1 stop9h 45m
Deal found 9/12![Batik Air logo]()
$926
This Malaysia Airlines deal was found by Cheapflights users on 9/10. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/91:00 pm -
1 stop12h 25m
Thu 1/215:20 pm -
1 stop20h 55m
Deal found 9/10![Malaysia Airlines logo]()
$648
Last-minute flights from Kathmandu to Southeast AsiaDiscover last-minute flight deals from Kathmandu to Southeast Asia. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Kathmandu to Southeast Asia. Data last updated September 15, 2026 and is based on user searches.
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:25 am -
Nonstop3h 30m
Tue 9/2210:15 am -
Nonstop3h 25m
Deal found 9/14![Thai Airways logo]()
$346
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:30 pm -
Nonstop3h 30m
Mon 9/219:15 pm -
Nonstop3h 25m
Deal found 9/12![Thai Airways logo]()
$349
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:25 am -
Nonstop3h 30m
Wed 9/2310:15 am -
Nonstop3h 25m
Deal found 9/13![Thai Airways logo]()
$342
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:25 am -
Nonstop3h 30m
Sat 9/199:15 pm -
Nonstop3h 25m
Deal found 9/13![Thai Airways logo]()
$350
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:25 am -
Nonstop3h 30m
Tue 9/2210:15 am -
Nonstop3h 25m
Deal found 9/14![Thai Airways logo]()
$351
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:30 am -
1 stop12h 40m
Wed 9/237:30 am -
1 stop10h 15m
Deal found 9/13![Air India logo]()
$344
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:30 am -
1 stop9h 10m
Sat 9/267:30 am -
1 stop17h 50m
Deal found 9/10![Air India logo]()
$364
This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:30 pm -
Nonstop3h 30m
Sat 9/2610:15 am -
Nonstop3h 25m
Deal found 9/10![Thai Airways logo]()
$386
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:30 pm -
Nonstop3h 30m
Tue 9/2210:15 am -
Nonstop3h 25m
Deal found 9/14![Thai Airways logo]()
$359
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:30 pm -
1 stop25h 40m
Tue 9/225:55 pm -
1 stop7h 25m
Deal found 9/14![Air India logo]()
$368
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:25 am -
Nonstop3h 30m
Wed 9/2310:15 am -
Nonstop3h 25m
Deal found 9/12![Thai Airways logo]()
$356
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:30 pm -
Nonstop3h 30m
Wed 9/2310:15 am -
Nonstop3h 25m
Deal found 9/13![Thai Airways logo]()
$357
One-way flights from Kathmandu to Southeast AsiaSearch for one-way flight options from Kathmandu to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from Kathmandu to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 1/63:05 pm -
Nonstop3h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Thai Lion Air logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 12/303:05 pm -
Nonstop3h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Thai Lion Air logo]()
$176
This Super.com deal was found by Cheapflights users on 9/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/83:05 pm -
Nonstop3h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Thai Lion Air logo]()
$180
This Super.com deal was found by Cheapflights users on 9/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3112:50 pm -
1 stop22h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![SriLankan Airlines logo]()
$181
This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/81:15 pm -
1 stop22h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![SriLankan Airlines logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 1/61:40 pm -
1 stop21h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![SriLankan Airlines logo]()
$188
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/283:05 pm -
Nonstop3h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Thai Lion Air logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 1/1012:50 pm -
1 stop22h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![SriLankan Airlines logo]()
$193
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/412:50 pm -
1 stop22h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![SriLankan Airlines logo]()
$194
This Jetabroad deal was found by Cheapflights users on 9/10. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/312:50 pm -
1 stop22h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![SriLankan Airlines logo]()
$195
This OneTravel deal was found by Cheapflights users on 9/11. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:10 am -
Nonstop3h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Nepal Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 1/103:05 pm -
Nonstop3h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Thai Lion Air logo]()
$202
Find flight deals from Kathmandu to Southeast Asia
Keep the following information in mind while searching for Kathmandu to Southeast Asia flight deals. Data was last updated September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $344 (Mytrip) |
One-way from | $175 (Kiwi.com) |
Popular in | May |
Cheapest in | March |
Average price | $567 |
Cheapflights Fare Finder
Customize your flight search to find flights from Kathmandu to Southeast Asia 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 15, 2026.
Use the filters below to find and compare flights from Kathmandu to Southeast Asia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KathmanduBangkok
KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi
KTMBKK
Kathmandu Tribhuvan
Mon 10/19
12:25 am-5:10 am
Nonstop3h 30m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-10:30 pm
Nonstop0h 00m
$210
KathmanduBangkok
KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi
KTMBKK
Kathmandu Tribhuvan
Mon 10/5
12:25 am-5:10 am
Nonstop3h 30m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-10:30 pm
Nonstop0h 00m
$211
KathmanduBangkok
KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi
KTMBKK
Kathmandu Tribhuvan
Wed 9/30
6:30 am-8:25 pm
1 stop12h 40m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-10:30 pm
Nonstop0h 00m
$215
KathmanduBangkok
KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi
KTMBKK
Kathmandu Tribhuvan
Sun 10/18
9:10 pm-2:15 pm
1 stop15h 50m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-10:30 pm
Nonstop0h 00m
$227
KathmanduSingapore
KTM Kathmandu Tribhuvan - SIN Singapore Changi
KTMSIN
Kathmandu Tribhuvan
Thu 10/29
1:55 pm-5:45 pm
1 stop25h 35m
Singapore Changi
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$233
KathmanduBangkok
KTM Kathmandu Tribhuvan - BKK Bangkok Suvarnabhumi
KTMBKK
Kathmandu Tribhuvan
Sun 9/20
9:10 pm-1:40 pm
2 stops15h 15m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-10:30 pm
Nonstop0h 00m
$253
KathmanduKuala Lumpur
KTM Kathmandu Tribhuvan - KUL Kuala Lumpur Intl
KTMKUL
Kathmandu Tribhuvan
Fri 12/4
9:40 pm-5:00 am
1 stop29h 05m
Kuala Lumpur Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$253
KathmanduKuala Lumpur
KTM Kathmandu Tribhuvan - KUL Kuala Lumpur Intl
KTMKUL
Kathmandu Tribhuvan
Sun 10/11
9:25 pm-4:20 am
Nonstop4h 40m
Kuala Lumpur Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$272
KathmanduSingapore
KTM Kathmandu Tribhuvan - SIN Singapore Changi
KTMSIN
Kathmandu Tribhuvan
Tue 9/29
8:50 pm-7:25 pm
2 stops20h 20m
Singapore Changi
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$274
KathmanduBangkok
KTM Kathmandu Tribhuvan - DMK Bangkok Don Mueang Intl
KTMDMK
Kathmandu Tribhuvan
Wed 9/23
10:05 am-9:10 am
2 stops21h 50m
Bangkok Don Mueang Intl
Wed 12/31
12:00 am-10:30 pm
Nonstop0h 00m
$274
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Kathmandu to Southeast Asia
Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Kathmandu with our price prediction graph.
KTM-BKK
KTM-KUL
KTM-SIN
KTM-DMK
KTM-MNL
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 Kathmandu to Southeast Asia
KTM-zzYJX
KTM-BKK
KTM-KUL
KTM-SIN
KTM-DMK
What is the cheapest month to book a flight from Kathmandu to Southeast Asia?
Currently, March is the cheapest month in which you can book a flight from Kathmandu to Southeast Asia (average of $540). Flying from Kathmandu to Southeast Asia in May is currently the most expensive (average of $715). 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.
What is the cheapest time of day to fly from KTM to YJX?
Find hourly flight availability from Kathmandu to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2026.
One of the essential ways to save on airfare from Kathmandu to Southeast Asia is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 58% on airfare.
How far ahead should I book a flight from Kathmandu to Southeast Asia?
The best time to book flights from Kathmandu to Southeast Asia is 61 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.
Reviews of airlines servicing Southeast Asia
Get insights into the airlines that provide service to Southeast Asia. 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 Southeast Asia. Reviews last updated September 15, 2026.
Get a feel of what it's like to fly with Singapore Airlines,Thai Airways, andMalaysia Airlines from Kathmandu to Southeast Asia by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.2
Food
7.8
Comfort
8.0
Entertainment
8.1
Crew
8.6
Boarding
8.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2024
SIN - JNB
Overall
8.2
Food
7.8
Comfort
8.0
Entertainment
8.1
Crew
8.6
Boarding
8.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2024
SIN - JNB
Overall
8.2
Food
7.8
Comfort
8.0
Entertainment
8.1
Crew
8.6
Boarding
8.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2024
SIN - JNB
Overall
8.2
Food
7.8
Comfort
8.0
Entertainment
8.1
Crew
8.6
Boarding
8.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2024
SIN - JNB
Overall
8.2
Food
7.8
Comfort
8.0
Entertainment
8.1
Crew
8.6
Boarding
8.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2024
SIN - JNB
Related info for your journey
Find useful and relevant information for your journey from Kathmandu to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Kathmandu to Southeast Asia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Southeast Asia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Kathmandu to Southeast Asia by cabin class
Find flights from Kathmandu to Southeast Asia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kathmandu and Southeast Asia flights
Browse other Kathmandu and Southeast Asia flight options. Last updated on September 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Kathmandu to Southeast Asia
Discover the top 7 airlines that operate flights from Kathmandu to Southeast Asia. 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 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$119 | Average$228 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$124 | Average$237 | FlexibilityNo cancel fee | On-time87% | |
| Cheapest$205 | Average$480 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$240 | Average$377 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$309 | Average$566 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$383 | Average$482 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$440 | Average$638 | FlexibilityNo cancel fee | On-time81% |