£455 Cheap Flights from Boston (BOS) to Kathmandu (KTM)

View £455 flight on Wed, 2 Sept 2026Opens in a new window

Flight 1

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

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

Prices were available within the past 7 days and start at £455 for one-way flights and £1,135 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Emirates
Sun, 17 Jan - Sun, 28 Feb
BOS
Boston
KTM
Kathmandu
£1,135 Return, found 6 days ago
£1,135
Return
found 6 days ago
Select Emirates flight, departing Sun, 17 Jan from Boston to Kathmandu, returning Sun, 28 Feb, priced at £1,135 found 6 days ago
Emirates
Sun, 10 May - Mon, 25 May
BOS
Boston
KTM
Kathmandu
£1,141 Return, found 2 days ago
£1,141
Return
found 2 days ago
Select Emirates flight, departing Sun, 10 May from Boston to Kathmandu, returning Mon, 25 May, priced at £1,141 found 2 days ago
JetBlue Airways
Sun, 17 Jan - Sun, 28 Feb
BOS
Boston
KTM
Kathmandu
£1,159 Return, found 6 days ago
£1,159
Return
found 6 days ago
Select JetBlue Airways flight, departing Sun, 17 Jan from Boston to Kathmandu, returning Sun, 28 Feb, priced at £1,159 found 6 days ago
Turkish Airlines
Sun, 17 Jan - Sun, 28 Feb
BOS
Boston
KTM
Kathmandu
£1,162 Return, found 6 days ago
£1,162
Return
found 6 days ago
Select Turkish Airlines flight, departing Sun, 17 Jan from Boston to Kathmandu, returning Sun, 28 Feb, priced at £1,162 found 6 days ago
Qatar Airways
Sun, 17 Jan - Sun, 28 Feb
BOS
Boston
KTM
Kathmandu
£1,176 Return, found 6 days ago
£1,176
Return
found 6 days ago
Select Qatar Airways flight, departing Sun, 17 Jan from Boston to Kathmandu, returning Sun, 28 Feb, priced at £1,176 found 6 days ago
Qatar Airways
Sun, 17 Jan - Sun, 28 Feb
BOS
Boston
KTM
Kathmandu
£1,178 Return, found 6 days ago
£1,178
Return
found 6 days ago
Select Qatar Airways flight, departing Sun, 17 Jan from Boston to Kathmandu, returning Sun, 28 Feb, priced at £1,178 found 6 days ago
Qatar Airways
Sun, 17 Jan - Sun, 28 Feb
BOS
Boston
KTM
Kathmandu
£1,180 Return, found 6 days ago
£1,180
Return
found 6 days ago
Select Qatar Airways flight, departing Sun, 17 Jan from Boston to Kathmandu, returning Sun, 28 Feb, priced at £1,180 found 6 days ago
Qatar Airways
Sun, 17 Jan - Sun, 28 Feb
BOS
Boston
KTM
Kathmandu
£1,248 Return, found 6 days ago
£1,248
Return
found 6 days ago
Select Qatar Airways flight, departing Sun, 17 Jan from Boston to Kathmandu, returning Sun, 28 Feb, priced at £1,248 found 6 days ago
JetBlue Airways
Sun, 10 May - Mon, 25 May
BOS
Boston
KTM
Kathmandu
£1,250 Return, found 2 days ago
£1,250
Return
found 2 days ago
Select JetBlue Airways flight, departing Sun, 10 May from Boston to Kathmandu, returning Mon, 25 May, priced at £1,250 found 2 days ago
American Airlines
Sun, 24 May - Sun, 16 Aug
BOS
Boston
KTM
Kathmandu
£1,323 Return, found 1 day ago
£1,323
Return
found 1 day ago
Select American Airlines flight, departing Sun, 24 May from Boston to Kathmandu, returning Sun, 16 Aug, priced at £1,323 found 1 day ago

Frequently asked questions

How much is a flight from BOS to Tribhuvan Intl. Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip journey from Logan Intl. Airport to Tribhuvan Intl. Airport was £1,135. Cheap fares don't hang around, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BOS to Tribhuvan Intl. Airport?
This differs between air carriers, as each one has its own set of terms and conditions. Head to the Customer Service Portal, where you'll find easy-to-follow instructions on how to cancel your flight online.
How do I find cheap flights from Logan Intl. Airport (BOS) to Tribhuvan Intl. Airport (KTM) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Logan Intl. Airport to KTM flights, you'll see a "no change fees" filter for you to select.
How far is the flight from BOS to Tribhuvan Intl. Airport (KTM)?
You'll have 11,900 kilometres to cover on the long-haul Boston to Kathmandu route. Wear layers of comfy clothes and consider taking a neck pillow with you.
Which airlines fly direct from Logan Intl. Airport to Tribhuvan Intl. Airport?
At present, no airlines offer flights directly from BOS to Tribhuvan Intl. Airport. You'll need to book a flight with one or more stops. To get the best connections and price, lock in your fare well in advance.
Are Logan Intl. Airport (BOS) to Tribhuvan Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices from Logan Intl. Airport to Tribhuvan Intl. Airport are available up to 12 months before departure on Expedia. And although you may occasionally score a great last-minute deal, it's not something you should bank on. Also, booking your flights well in advance means you'll have more options — and you can avoid getting trapped in the dreaded middle seat! We're always updating our fares to bring you the best bargains, so check back often for all the latest specials.

Frequently asked questions

How much does a flight from Boston, MA (BOS-Logan Intl.) to Kathmandu (KTM-Tribhuvan Intl.) cost?
One-way flights typically cost between £1,149 and £5,451 and return flights often range between £1,149 and £5,451. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
How do I find cheap flights from Boston, MA (BOS-Logan Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
To find a cheap flight from Boston, MA (BOS-Logan Intl.) to Kathmandu (KTM-Tribhuvan Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Boston, MA (BOS-Logan Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Boston, MA (BOS-Logan Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
There are approximately 59 connecting flights per day from Boston Logan International (BOS) to Kathmandu Tribhuvan International (KTM). Some common connection points include John F. Kennedy International (JFK), Heathrow (LHR), and Abu Dhabi International (AUH).
What is the earliest flight from Boston, MA (BOS-Logan Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
The earliest flight from Boston, MA (BOS-Logan Intl.) to Kathmandu (KTM-Tribhuvan Intl.) typically departs at approximately 12:30 AM local time. This is a seasonal service active in January, February, March, November, and December. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Boston, MA (BOS-Logan Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
You'll typically find the most flights from Boston, MA (BOS-Logan Intl.) to Kathmandu (KTM-Tribhuvan Intl.) on a Tuesday, with around 60 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include JetBlue Airways, American Airlines, and Delta Air Lines. Flight schedules are consistent throughout the week.
What are the most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
The most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Kathmandu (KTM-Tribhuvan Intl.) are in the late evening, from 9pm to midnight. Approximately 28% of passengers prefer this time window. Many major carriers, including Qatar Airways, Emirates and British Airways, offer flights during this window. These times work well because you can maximise your time in Boston before your evening flight, and you'll arrive in Kathmandu in the morning ready to explore.
How long does it take to fly from Boston, MA (BOS-Logan Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
A flight from BOS to KTM with a layover takes around 23 hours 20 minutes, with the route covering approximately 7,368 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Boston, MA (BOS-Logan Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
Select the "Business class" and "First class" filters when looking for BOS to KTM flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Boston, MA (BOS-Logan Intl.) to Kathmandu (KTM-Tribhuvan Intl.) flight with Expedia?
It's easy to earn miles on a Boston, MA (BOS-Logan Intl.) to Kathmandu (KTM-Tribhuvan Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Kathmandu from Logan Intl. (BOS)?
From Logan Intl. (BOS), you can fly directly into Tribhuvan Intl. (KTM) to reach Kathmandu. Some flights may connect through major hubs like John F. Kennedy Intl. (JFK), Heathrow (LHR), Liberty Intl. (EWR) before reaching Kathmandu. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Boston, MA (BOS-Logan Intl.) to Kathmandu (KTM-Tribhuvan Intl.) at the last minute?
Typically, booking a last minute flight from Boston, MA (BOS-Logan Intl.) to Kathmandu (KTM-Tribhuvan Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Boston, MA (BOS-Logan Intl.) to Kathmandu (KTM-Tribhuvan Intl.) flight and hotel package?
Securing a Boston, MA (BOS-Logan Intl.) to Kathmandu (KTM-Tribhuvan Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Boston, MA (BOS-Logan Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
If you booked your Boston, MA (BOS-Logan Intl.) to Kathmandu (KTM-Tribhuvan Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Logan Intl.
Destination airport
Tribhuvan Intl.
Airlines serving
Cathay Pacific, Emirates, KLM, Malaysia Airlines, Qatar Airways, Singapore Airlines, Turkish Airlines
Return price
£1,135
Distance
11786 km

Book with confidence

Compare flights from Boston to Kathmandu easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Boston to Kathmandu. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Tribhuvan Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Logan Intl. to Tribhuvan Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Logan Intl. (BOS) to Tribhuvan Intl. (KTM)

The easiest way to view the best deals on flights from Boston to Kathmandu today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Logan Intl. to Tribhuvan Intl. start at just £1,135 and range up to £1,323.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Boston and Kathmandu
  • booking your flight during January, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Boston to Kathmandu flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Logan Intl. to Tribhuvan Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Boston to Kathmandu easily and book with confidence

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*Available to Expedia members.