Which layover airport has the shortest travel time from Boston to Kathmandu?

Flights connecting via Istanbul (IST) have the shortest average one-way travel time: 22h 55m.

Which layover airport has the shortest connection time from Boston to Kathmandu?

Istanbul (IST) has the shortest average layover time for this route: 6h 04m.

Which airport is the most popular layover for flights between Boston and Kathmandu?

Doha (DOH) was the most common stop: 34% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Boston to Kathmandu?

Flights via Hong Kong (HKG) offer the lowest average round-trip price of $1,100.

What airlines fly to Kathmandu?

Qatar Airways, Emirates and Cathay Pacific are the top three most popular airlines that fly to Kathmandu from Boston according to our data. Qatar Airways is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Kathmandu. Keep in mind that there are 7 different airlines that fly to Kathmandu on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Boston Logan Intl Airport to Kathmandu Tribhuvan Airport?

Prices for flights from Boston Logan Intl Airport to Kathmandu Tribhuvan Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Boston Logan Intl Airport to Kathmandu Tribhuvan Airport?

The number of operators available for flights from Boston Logan Intl Airport to Kathmandu Tribhuvan Airport is 7 as of April 2026.

How old do you have to be to fly from Boston Logan Intl Airport to Kathmandu Tribhuvan Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Kathmandu Tribhuvan Airport.

What documentation or ID do you need to fly to Kathmandu Tribhuvan Airport?

The necessary travel and health documents for your Kathmandu Tribhuvan Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$496 Cheap Flights from Boston to Kathmandu in 2026

Q: What is the typical price of a round-trip flight between Boston and Kathmandu?

Prices are currently low for flights on this route. Typical prices usually range from $1,672 to $1,248. The lowest price recently found on this route was $1,133.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Boston to Kathmandu

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:40 pm - 2:10 pm

BOS

KTM

34h 45m

2 stops

3:10 pm - 3:35 pm

KTM

BOS

34h 10m

2 stops

$1,072Multiple Airlines

Wed, Sep 16 - Sat, Sep 26

4:25 pm - 9:50 am

BOS

KTM

31h 40m

2 stops

4:40 pm - 2:40 pm

KTM

BOS

31h 45m

2 stops

$1,078Multiple Airlines

Thu, Sep 17 - Thu, Sep 24

5:40 pm - 2:10 pm

BOS

KTM

34h 45m

2 stops

10:50 am - 3:35 pm

KTM

BOS

38h 30m

3 stops

$1,123Multiple Airlines

Wed, Sep 16 - Sat, Sep 26

4:25 pm - 12:50 pm

BOS

KTM

34h 40m

2 stops

8:10 am - 2:40 pm

KTM

BOS

40h 15m

2 stops

$1,133Multiple Airlines

Tue, May 26 - Tue, Jun 2

10:00 pm - 1:05 pm

BOS

KTM

29h 20m

2 stops

5:10 pm - 3:20 pm

KTM

BOS

31h 55m

2 stops

$1,158Multiple Airlines

Thu, Oct 1 - Thu, Oct 29

4:25 pm - 1:05 pm

BOS

KTM

34h 55m

2 stops

1:15 pm - 2:10 pm

KTM

BOS

35h 40m

2 stops

$1,163Multiple Airlines

Thu, Oct 1 - Mon, Nov 16

10:00 pm - 12:15 pm

BOS

KTM

52h 30m

3 stops

1:15 pm - 3:15 pm

KTM

BOS

59h 45m

3 stops

$1,169Multiple Airlines

Thu, Sep 17 - Thu, Sep 24

4:25 pm - 9:50 am

BOS

KTM

31h 40m

2 stops

3:10 pm - 2:40 pm

KTM

BOS

33h 15m

3 stops

$1,181Multiple Airlines

Thu, Sep 17 - Thu, Sep 24

4:25 pm - 6:10 pm

BOS

KTM

40h 00m

2 stops

8:10 am - 2:40 pm

KTM

BOS

64h 15m

2 stops

$1,185Multiple Airlines

Mon, May 25 - Tue, Jun 23

11:05 pm - 12:50 pm

BOS

KTM

28h 00m

2 stops

8:10 am - 2:10 pm

KTM

BOS

39h 45m

2 stops

$1,235Multiple Airlines

Tue, Jun 2 - Tue, Jun 16

Emirates flights from Boston to Kathmandu

Our best Emirates deals on Boston to Kathmandu flight tickets

Emirates

May 5

BOS11:05 pmBoston Logan Intl

29h 45m

1 stop

KTM2:35 pmKathmandu Tribhuvan

May 19

KTM7:55 pmKathmandu Tribhuvan

28h 00m

1 stop

BOS2:10 pmBoston Logan Intl

$1,517

Emirates

May 8

BOS11:05 pmBoston Logan Intl

37h 10m

1 stop

KTM10:00 pmKathmandu Tribhuvan

May 28

KTM9:05 amKathmandu Tribhuvan

38h 50m

1 stop

BOS2:10 pmBoston Logan Intl

$1,560

Emirates

May 5

BOS11:05 pmBoston Logan Intl

37h 10m

1 stop

KTM10:00 pmKathmandu Tribhuvan

May 22

KTM12:35 amKathmandu Tribhuvan

23h 20m

1 stop

BOS2:10 pmBoston Logan Intl

$1,573

Qatar Airways flights from Boston to Kathmandu

Our best Qatar Airways deals on Boston to Kathmandu flight tickets

Qatar Airways

May 3

BOS3:07 pmBoston Logan Intl

39h 53m

2 stops

KTM4:45 pmKathmandu Tribhuvan

May 19

KTM10:00 amKathmandu Tribhuvan

34h 49m

2 stops

BOS11:04 amBoston Logan Intl

$1,765

Qatar Airways

May 3

BOS5:32 pmBoston Logan Intl

37h 28m

2 stops

KTM4:45 pmKathmandu Tribhuvan

May 11

KTM10:00 amKathmandu Tribhuvan

34h 19m

2 stops

BOS10:34 amBoston Logan Intl

$1,775

Qatar Airways

May 4

BOS3:17 pmBoston Logan Intl

39h 43m

2 stops

KTM4:45 pmKathmandu Tribhuvan

Aug 4

KTM6:00 pmKathmandu Tribhuvan

31h 00m

1 stop

BOS3:15 pmBoston Logan Intl

$1,783

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Wed 9/16

5:40 pm-2:10 pm

2 stops34h 45m

Kathmandu Tribhuvan

Sat 9/26

3:10 pm-3:35 pm

2 stops34h 10m

$1,072

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Thu 9/17

4:25 pm-9:50 am

2 stops31h 40m

Kathmandu Tribhuvan

Thu 9/24

4:40 pm-2:40 pm

2 stops31h 45m

$1,078

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Wed 9/16

5:40 pm-2:10 pm

2 stops34h 45m

Kathmandu Tribhuvan

Sat 9/26

10:50 am-3:35 pm

3 stops38h 30m

$1,123

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Tue 5/26

4:25 pm-12:50 pm

2 stops34h 40m

Kathmandu Tribhuvan

Tue 6/2

8:10 am-2:40 pm

2 stops40h 15m

$1,133

Quickest round-trip

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Thu 10/1

10:00 pm-1:05 pm

2 stops29h 20m

Kathmandu Tribhuvan

Thu 10/29

5:10 pm-3:20 pm

2 stops31h 55m

$1,158

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Thu 10/1

4:25 pm-1:05 pm

2 stops34h 55m

Kathmandu Tribhuvan

Mon 11/16

1:15 pm-2:10 pm

2 stops35h 40m

$1,163

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Thu 9/17

10:00 pm-12:15 pm

3 stops52h 30m

Kathmandu Tribhuvan

Thu 9/24

1:15 pm-3:15 pm

3 stops59h 45m

$1,169

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Thu 9/17

4:25 pm-9:50 am

2 stops31h 40m

Kathmandu Tribhuvan

Thu 9/24

3:10 pm-2:40 pm

3 stops33h 15m

$1,181

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Mon 5/25

4:25 pm-6:10 pm

2 stops40h 00m

Kathmandu Tribhuvan

Tue 6/23

8:10 am-2:40 pm

2 stops64h 15m

$1,185

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Tue 6/2

11:05 pm-12:50 pm

2 stops28h 00m

Kathmandu Tribhuvan

Tue 6/16

8:10 am-2:10 pm

2 stops39h 45m

$1,235

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boston to Kathmandu

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Boston and Kathmandu?

What is the cheapest month to fly to Kathmandu?

The month of August is another great option to travel to Kathmandu, with average flight prices from Boston averaging around $1,304.

How far in advance should I book a flight from Boston to Kathmandu?

You are more likely to see cheaper flights to Kathmandu from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Kathmandu for around $1,442 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kathmandu from Boston for as low as $1,148 on momondo.

Can stopping save me money on Boston to Kathmandu flights?

You could potentially save up to 11% on your flight if you consider stops on a Boston to Kathmandu flight.

How have Boston to Kathmandu flight prices changed over time?

As of April 2026, prices for Boston to Kathmandu flights are approximately 85% more expensive when compared to flights at the same time last year.

When to book flights from Boston to Kathmandu

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Kathmandu according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boston to Kathmandu (BOS to KTM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Kathmandu

Fastest flight time	20h 50m
Direct flights	None

The fastest flight from Boston to Kathmandu takes 20h 50m

There are no direct flights from Boston to Kathmandu. There are no popular flight routes from Boston to Kathmandu.

Search flight deals

Frequently asked questions about flying from Boston to Kathmandu

How far is Boston Logan Intl to Kathmandu Tribhuvan by plane?
A flight from Boston Logan Intl to Kathmandu Tribhuvan will travel around 7361.3 mi. 20h 50m is a normal flight duration for this route.
When did momondo last update prices for flights from Boston Logan Intl Airport to Kathmandu Tribhuvan Airport?
Prices for flights from Boston Logan Intl Airport to Kathmandu Tribhuvan Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Boston Logan Intl Airport to Kathmandu Tribhuvan Airport?
The number of operators available for flights from Boston Logan Intl Airport to Kathmandu Tribhuvan Airport is 7 as of April 2026.
How old do you have to be to fly from Boston Logan Intl Airport to Kathmandu Tribhuvan Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Kathmandu Tribhuvan Airport.
What documentation or ID do you need to fly to Kathmandu Tribhuvan Airport?
The necessary travel and health documents for your Kathmandu Tribhuvan Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Boston to Kathmandu?
momondo data reveals that the most frequently booked airline on the route from Boston to Kathmandu is Qatar Airways, representing 42% of all bookings. The subsequent popular airlines are Emirates at 24%, Cathay Pacific at 13%, and IndiGo at 9%.

Best airlines flying from Boston to Kathmandu

Compare and see reviews for airlines that fly from Boston to Kathmandu with momondo

Airline	Rating	Free Cancellation	Price
Cathay Pacific	PriceFrom $758	Free Cancellation	Rating 7.6 1,310 reviews	Search Cathay Pacific flights
IndiGo	PriceFrom $977	Free Cancellation	Rating 6.7 557 reviews	Search IndiGo flights
Air India	PriceFrom $1,017	Free Cancellation	Rating 5.5 2,956 reviews	Search Air India flights
Emirates	PriceFrom $1,050	Free Cancellation	Rating 8.1 3,568 reviews	Search Emirates flights
Turkish Airlines	PriceFrom $1,186	Free Cancellation	Rating 7.4 4,345 reviews	Search Turkish Airlines flights
Qatar Airways	PriceFrom $1,260	Free Cancellation	Rating 7.4 3,724 reviews	Search Qatar Airways flights
SWISS	PriceFrom $1,598	Free Cancellation	Rating 7.6 1,926 reviews	Search SWISS flights

Nagarkot

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Kathmandu?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Kathmandu. momondo saves you time and could save you money on your trip.

Can I find flights from Boston to Kathmandu with flexible booking policies on momondo?

momondo does allow users to show only those flights to Kathmandu from Boston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Boston to Kathmandu?

momondo provides multiple filters to help you find the best flight to Kathmandu from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Boston to Kathmandu right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Boston to Kathmandu flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Kathmandu trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sat 5/30

Sat 6/6

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Nepal

Airlines

Cabin classes

Other flights from Boston

Complete your trip

Feeling lucky

Fly your favorite airline to Kathmandu

Cheap flights from Boston to Kathmandu from $496

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Kathmandu departing on 5/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Boston to Kathmandu

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Emirates flights from Boston to Kathmandu

Our best Emirates deals on Boston to Kathmandu flight tickets

Qatar Airways flights from Boston to Kathmandu

Our best Qatar Airways deals on Boston to Kathmandu flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Boston to Kathmandu that are best for you.

See travel insights to Kathmandu from

How to get the cheapest flight ticket from Boston to Kathmandu

What is the typical price of a round-trip flight between Boston and Kathmandu?

What is the cheapest month to fly to Kathmandu?

How far in advance should I book a flight from Boston to Kathmandu?

Can stopping save me money on Boston to Kathmandu flights?

How have Boston to Kathmandu flight prices changed over time?

What airlines fly to Kathmandu?

Which airport is the most popular layover for flights between Boston and Kathmandu?

Which layover airport offers the lowest fares from Boston to Kathmandu?

Which layover airport has the shortest travel time from Boston to Kathmandu?

Which layover airport has the shortest connection time from Boston to Kathmandu?

When to book flights from Boston to Kathmandu

Cheap Boston to Kathmandu (BOS to KTM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Kathmandu

Fastest flight time

Direct flights

Frequently asked questions about flying from Boston to Kathmandu

Best airlines flying from Boston to Kathmandu

Compare and see reviews for airlines that fly from Boston to Kathmandu with momondo

Traveling to a place near Kathmandu?

Why use momondo?

An easier way to manage your Kathmandu trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Nepal

Fly your favorite airline to Kathmandu

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Kathmandu

List of cabin classes available on flights landing in Kathmandu. Availability may vary depending on flight origin and airline.

Fly to other destinations from Boston

According to popular flight searches on momondo this year

Complete your trip to Kathmandu

Explore popular destinations other users love

According to popular flight searches on momondo this year