$243 Cheap Air India flights Singapore (SIN) to Kathmandu (KTM)

View $243 flight on Sat, Oct 25, 2025Opens in a new window

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$243 Cheap Air India flights Singapore (SIN) to Kathmandu (KTM)

Prices were available within the past 7 days and start at $243 for one-way flights and $312 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air India
Tue, Aug 26 - Mon, Sep 1
SIN
Singapore
KTM
Kathmandu
$312 Roundtrip, found 2 days ago
$312
Roundtrip
found 2 days ago
Select Air India flight, departing Tue, Aug 26 from Singapore to Kathmandu, returning Mon, Sep 1, priced at $312 found 2 days ago
Air India
Tue, Aug 26 - Sat, Sep 6
SIN
Singapore
KTM
Kathmandu
$360 Roundtrip, found 2 days ago
$360
Roundtrip
found 2 days ago
Select Air India flight, departing Tue, Aug 26 from Singapore to Kathmandu, returning Sat, Sep 6, priced at $360 found 2 days ago
0
Flights from Singapore (SIN) to Kathmandu (KTM)
Origin airport
Changi
Destination airport
Tribhuvan Intl.
Airlines serving
Air China, Air India, Batik air , Cathay Pacific, China Eastern Airlines, China Southern Airlines, Emirates, Etihad Airways, IndiGo, Malaysia Airlines, Sichuan Airlines, Singapore Airlines, SriLankan Airlines, Thai Airways International, Thai Lion Mantari
Popular airline
IndiGo
Distance
2198 mi

Frequently asked questions

How much is an Air India flight from Changi Airport (SIN) to Tribhuvan Intl. Airport (KTM)?
Grab budget-friendly return Air India flights from $312 from SIN to KTM by organizing your results from "Price (lowest to highest)" on Expedia. Or look for options from $243 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 SIN to KTM with Air India?
Air India flights to Kathmandu are typically more affordable in the quieter months of July and August. Whether you're after a one-way or a return ticket, you could land a better deal then.
What is the cheapest time to book flights from Changi Airport (SIN) to Tribhuvan Intl. Airport (KTM) with Air India?
To get cheap flights from SIN to KTM with Air India, start your search about one month before your intended departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another helpful tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**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 Air India fly nonstop from Changi Airport (SIN) to Tribhuvan Intl. Airport (KTM)?
To find out if there's a direct journey from SIN to KTM with Air India or other airlines, check the "Nonstop" box when browsing for flights.
What is the earliest Air India flight from SIN to KTM?
To find the earliest departure from SIN to KTM with Air India, filter your search by "Morning" and "Early Morning." Choosing an early flight usually means you'll experience fewer cancellations.**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 Air India fly into in Kathmandu?
Hop on an Air India flight from Changi Airport (SIN) to Kathmandu, and you'll probably touch down at Tribhuvan Intl. Airport (KTM). This is the airline's primary hub here.
What kind of luggage can I take on an Air India flight from Changi Airport (SIN) to Tribhuvan Intl. Airport (KTM)?
A standard economy ticket with Air India from SIN to KTM allows 1 cabin bag and a small personal item. The hand luggage allowance is 1 cabin bag up to 26 lb with dimensions no larger than 21 inches x 9 inches x 13 inches. Size and weight restrictions can vary according to the ticket type and cabin class. To avoid extra fees at the terminal, check your Air India booking or visit the airline's website before you start to pack.
Why fly with Air India from SIN to KTM?
With a rewarding loyalty program, Air India is a top pick for many travelers journeying from SIN to KTM. Plus, if you're an Air India Flying Returns and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights on top of your airline miles.*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 Air India flight from Changi Airport (SIN) to Tribhuvan Intl. Airport (KTM)?
Changes are generally free within 24 hours of booking, but your airline may add a charge after that. For more information about modifying your flights, go to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to change your itinerary without additional costs, apply the "Changes included" or "No cancel fee" filter when planning your next adventure.

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*Available to One Key members.