$347 Cheap Singapore Airlines flights Phnom Penh (PNH) to Kathmandu (KTM)

View $347 flight on Tue, Jan 6, 2026Opens in a new window

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$347 Cheap Singapore Airlines flights Phnom Penh (PNH) to Kathmandu (KTM)

Prices were available within the past 7 days and start at $347 for one-way flights and $718 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Sat, Aug 9 - Sat, Aug 16
PNH
Phnom Penh
KTM
Kathmandu
$718 Roundtrip, found 16 hours ago
$718
Roundtrip
found 16 hours ago
Select Singapore Airlines flight, departing Sat, Aug 9 from Phnom Penh to Kathmandu, returning Sat, Aug 16, priced at $718 found 16 hours ago
Flights from Phnom Penh (PNH) to Kathmandu (KTM)
Origin airport
Phnom Penh Intl.
Destination airport
Tribhuvan Intl.
Airlines serving
Cathay Pacific, China Eastern Airlines, China Southern Airlines, Emirates, Malaysia Airlines, Qatar Airways, Singapore Airlines, Thai Airways International
Popular airline
China Southern Airlines
Distance
1684 mi

Frequently asked questions

How much is a Singapore Airlines flight from Phnom Penh Intl. Airport (PNH) to Tribhuvan Intl. Airport (KTM)?
You can discover affordable return Singapore Airlines flights from $718 from PNH to KTM by sorting your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $347 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from PNH to KTM with Singapore Airlines?
Singapore Airlines flights to Kathmandu are often cheaper in the quieter months of July and August. Whether you're after a one-way or round-trip ticket, you could find a better deal then.
What is the cheapest time to book flights from Phnom Penh Intl. Airport (PNH) to Tribhuvan Intl. Airport (KTM) with Singapore Airlines?
Getting the best Singapore Airlines deals from PNH to KTM often comes down to timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. Better still, you can pocket 17% on average by buying your fare on a Sunday compared to a Friday, which is usually the most expensive day to book.* It's a good idea to start checking out flights about one month before your travel dates.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Singapore Airlines fly nonstop from Phnom Penh Intl. Airport (PNH) to Tribhuvan Intl. Airport (KTM)?
Use the "Nonstop" filter when searching for direct Singapore Airlines flights from PNH to KTM. It's also a good way to compare other airlines offering the same nonstop route.
What is the earliest Singapore Airlines flight from PNH to KTM?
Browse Singapore Airlines's earliest flights from PNH to KTM by selecting the "Early Morning" and "Morning" filters. Not only will you arrive sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Singapore Airlines fly into in Kathmandu?
Tribhuvan Intl. Airport (KTM) is the primary Kathmandu gateway for Singapore Airlines flights from Phnom Penh Intl. Airport (PNH).
What kind of luggage can I take on a Singapore Airlines flight from Phnom Penh Intl. Airport (PNH) to Tribhuvan Intl. Airport (KTM)?
For checked luggage, passengers can take 2 checked-in bags weighing up to 50 lb with dimensions not exceeding 31 inches x 29 inches x 78 inches. You can also bring 2 cabin bags in the cabin when flying standard economy from PNH to KTM with Singapore Airlines. This carry-on has to weigh less than 15 lb and be no bigger than 45 inches. Going above these limits can mean additional charges, so read Singapore Airlines's baggage allowance guidelines before packing.
Why fly with Singapore Airlines from PNH to KTM?
Heading from PNH to KTM with Singapore Airlines comes with a variety of perks, including a 5-star airline rating and top-tier customer service. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That's on top of the Singapore Airlines KrisFlyer points you can earn with Singapore Airlines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Singapore Airlines flight from Phnom Penh Intl. Airport (PNH) to Tribhuvan Intl. Airport (KTM)?
It's generally possible to modify or cancel your flight, although there may be a charge if you booked over 24 hours ago. Need to keep your options open? Use Expedia's "Changes included" or "No cancel fee" filter to find flights that won't charge extra if you need to revise your plans. To modify your booking, go to "Trips," select your flight and click on "Manage Booking" for more information.

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*Available to One Key members.