$494 Cheap Flights from Boston (BOS) to Kathmandu (KTM)

View $494 flight on Sun, Feb 1, 2026Opens in a new window

Popular airlines from Logan International Airport (BOS) to Tribhuvan Intl. Airport (KTM)

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Cheap Flights from Boston to Kathmandu (BOS-KTM)

Prices were available within the past 7 days and start at $494 for one-way flights and $1,145 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Mon, Feb 9 - Tue, Feb 10
BOS
Boston
KTM
Kathmandu
$1,145 Roundtrip, found 2 days ago
$1,145
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Mon, Feb 9 from Boston to Kathmandu, returning Tue, Feb 10, priced at $1,145 found 2 days ago
JetBlue Airways
Fri, Feb 6 - Sat, Feb 7
BOS
Boston
KTM
Kathmandu
$1,167 Roundtrip, found 2 days ago
$1,167
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Fri, Feb 6 from Boston to Kathmandu, returning Sat, Feb 7, priced at $1,167 found 2 days ago
Singapore Airlines
Tue, Mar 3 - Tue, May 12
BOS
Boston
KTM
Kathmandu
$1,206 Roundtrip, found 3 days ago
$1,206
Roundtrip
found 3 days ago
Select Singapore Airlines flight, departing Tue, Mar 3 from Boston to Kathmandu, returning Tue, May 12, priced at $1,206 found 3 days ago
Singapore Airlines
Tue, Apr 14 - Tue, May 12
BOS
Boston
KTM
Kathmandu
$1,208 Roundtrip, found 2 days ago
$1,208
Roundtrip
found 2 days ago
Select Singapore Airlines flight, departing Tue, Apr 14 from Boston to Kathmandu, returning Tue, May 12, priced at $1,208 found 2 days ago
JetBlue Airways
Tue, Jan 27 - Wed, Jan 28
BOS
Boston
KTM
Kathmandu
$1,239 Roundtrip, found 3 days ago
$1,239
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Tue, Jan 27 from Boston to Kathmandu, returning Wed, Jan 28, priced at $1,239 found 3 days ago
Alaska Airlines
Mon, Feb 2 - Tue, Mar 17
BOS
Boston
KTM
Kathmandu
$1,243 Roundtrip, found 4 hours ago
$1,243
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Mon, Feb 2 from Boston to Kathmandu, returning Tue, Mar 17, priced at $1,243 found 4 hours ago
JetBlue Airways
Sun, Feb 8 - Mon, Feb 9
BOS
Boston
KTM
Kathmandu
$1,251 Roundtrip, found 2 days ago
$1,251
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Sun, Feb 8 from Boston to Kathmandu, returning Mon, Feb 9, priced at $1,251 found 2 days ago
Alaska Airlines
Mon, Feb 2 - Sun, Mar 15
BOS
Boston
KTM
Kathmandu
$1,256 Roundtrip, found 1 day ago
$1,256
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Feb 2 from Boston to Kathmandu, returning Sun, Mar 15, priced at $1,256 found 1 day ago
Turkish Airlines
Mon, Jan 5 - Tue, Feb 3
BOS
Boston
KTM
Kathmandu
$1,320 Roundtrip, found 6 hours ago
$1,320
Roundtrip
found 6 hours ago
Select Turkish Airlines flight, departing Mon, Jan 5 from Boston to Kathmandu, returning Tue, Feb 3, priced at $1,320 found 6 hours ago
Etihad Airways
Thu, Dec 4 - Mon, Dec 22
BOS
Boston
KTM
Kathmandu
$1,359 Roundtrip, found 1 day ago
$1,359
Roundtrip
found 1 day ago
Select Etihad Airways flight, departing Thu, Dec 4 from Boston to Kathmandu, returning Mon, Dec 22, priced at $1,359 found 1 day ago

Find the cheapest month to fly from Boston (BOS) to Kathmandu (KTM)

September is typically the cheapest month to fly

From $775 - $1,875 per traveler.

Alternative airports near Kathmandu

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Tribhuvan Intl. KTM. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $1,965
KTM
Tribhuvan Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $1,965

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Tribhuvan Intl. Airport (KTM) cost?
Get a cheap one-way flight from $494 or cheap return flight from $1,145 from Logan Intl. Airport (BOS) to Tribhuvan Intl. Airport (KTM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Tribhuvan Intl. Airport (KTM)?
Flying in February may help you find better deals, as it's the cheapest month for flights between BOS and KTM. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Tribhuvan Intl. Airport (KTM)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from BOS to KTM. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Logan Intl. Airport (BOS) to Tribhuvan Intl. Airport (KTM)?
Nonstop flights from Logan Intl. Airport (BOS) to Tribhuvan Intl. Airport (KTM) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BOS to KTM?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to Tribhuvan Intl. Airport (KTM)?
To arrive at Tribhuvan Intl. Airport (KTM) without delays, pick a flight that takes off from Logan Intl. Airport (BOS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Tribhuvan Intl. Airport (KTM) last-minute?
Last-minute bookings from BOS to KTM are usually more expensive. To secure the lowest prices, start looking for flights as soon as possible. That being said, if you're flexible with your travel dates, it's possible to find a cheap ticket right before your journey.
Is it cheaper to book a BOS to KTM flight and hotel package?
Compared with arranging flights and hotels separately, booking a BOS to KTM flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place takes the hassle out of travel planning. Simply pick your flights and select from our extensive range of stays, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Tribhuvan Intl. Airport (KTM)?
In most cases, you can cancel or modify your BOS to KTM flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you want further details, head to our Customer Service portal.

Travel information

Origin airport
Logan Intl.
Destination airport
Tribhuvan Intl.
Airlines serving
Cathay Pacific, Emirates, Etihad Airways, KLM, Korean Air, Malaysia Airlines, Qatar Airways, Singapore Airlines, SriLankan Airlines, Swiss International Air Lines, Turkish Airlines
Roundtrip price
$1,145
Distance
7366 mi

Book with confidence

Boston to Kathmandu Flights

The cheapest times to fly from Boston to Kathmandu

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Kathmandu are during the month of February. You can find some of the cheapest flights from Boston to Kathmandu with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Kathmandu

Sunday is one of the best days to book for cheap flights from Boston to Kathmandu: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Kathmandu

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Kathmandu in 2025. You can also book with separate airlines for your outbound and return journeys, from $494 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Kathmandu flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Kathmandu airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Boston to Kathmandu Flights

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*Available to One Key members.