$703 Cheap Singapore Airlines flights Boston (BOS) to Kathmandu (KTM)

View $703 flight on Wed, Mar 4, 2026Opens in a new window

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$703 Cheap Singapore Airlines flights Boston (BOS) to Kathmandu (KTM)

Prices were available within the past 7 days and start at $703 for one-way flights and $1,274 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Wed, Jan 14 - Wed, Jan 28
BOS
Boston
KTM
Kathmandu
$1,274 Roundtrip, found 12 hours ago
$1,274
Roundtrip
found 12 hours ago
Select Singapore Airlines flight, departing Wed, Jan 14 from Boston to Kathmandu, returning Wed, Jan 28, priced at $1,274 found 12 hours ago
Flights from Boston (BOS) to Kathmandu (KTM)
Origin airport
Logan Intl.
Destination airport
Tribhuvan Intl.
Airlines serving
Cathay Pacific, China Southern Airlines, Emirates, Etihad Airways, KLM, Korean Air, Malaysia Airlines, Qatar Airways, Singapore Airlines, SriLankan Airlines, Swiss International Air Lines, Turkish Airlines
Popular airline
Qatar Airways
Distance
7366 mi

Frequently asked questions

How much is a Singapore Airlines flight from Logan Intl. Airport (BOS) to Tribhuvan Intl. Airport (KTM)?
Landing cheap one-way Singapore Airlines flights from BOS to KTM from $703 on Expedia is a cinch --- just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $1,274 for your next adventure.**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 BOS to KTM with Singapore Airlines?
Look for one-way or return flights to Kathmandu in July or August. You could find an affordable fare with Singapore Airlines during these quieter months.
What is the cheapest time to book flights from Logan Intl. Airport (BOS) to Tribhuvan Intl. Airport (KTM) with Singapore Airlines?
Landing the best Singapore Airlines deals from BOS to KTM often comes down to booking at the right time. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. What's more, you can pocket 17% on average by buying your fare on a Sunday rather than a Friday, which is often the most expensive day to book.* It's a good idea to start searching for flights about one month before you want to travel.*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 Logan Intl. Airport (BOS) to Tribhuvan Intl. Airport (KTM)?
Simply enter your dates, click search and tick the "Nonstop" filter on Expedia to find any direct flights from BOS to KTM with Singapore Airlines or another airline.
What is the earliest Singapore Airlines flight from BOS to KTM?
Search Singapore Airlines's earliest flights from BOS to KTM by using our "Morning" and "Early Morning" filters. Not only will you get to where you're going sooner, early departures also have a 20% less chance of being 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?
Board a Singapore Airlines flight from Logan Intl. Airport (BOS) to Kathmandu, and you're most likely to touch down at Tribhuvan Intl. Airport (KTM). This is the airline's primary hub in this city.
What kind of luggage can I take on a Singapore Airlines flight from Logan Intl. Airport (BOS) to Tribhuvan Intl. Airport (KTM)?
For checked luggage, you can bring 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 BOS to KTM with Singapore Airlines. This carry-on should weigh less than 15 lb and be no bigger than 45 inches. Going over these restrictions can mean additional fees, so check Singapore Airlines's baggage allowance guidelines before you start packing.
Why fly with Singapore Airlines from BOS to KTM?
Offering top-tier customer service and a 5-star airline rating, Singapore Airlines is a popular option for many passengers flying from BOS to KTM. What's more, if you're a Singapore Airlines KrisFlyer and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can go toward future travel.*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 Logan Intl. Airport (BOS) to Tribhuvan Intl. Airport (KTM)?
Changes are usually free within 24 hours of booking, but your airline may charge you after that time. For further details about altering your reservation, check out your "Trips," select your flight and click on "Manage Booking." If you'd like the flexibility to change your plans without extra charges, check the "Changes included" and "No cancel fee" filters when planning your next break.

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*Available to One Key members.