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

Istanbul (IST) has the shortest average layover time for this route: 6h 42m.

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: 23h 13m.

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 47% 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.

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

Doha (DOH) was the most common stop: 37% 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 $1,111.

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 June 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.

$503 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 typical for flights on this route. Typical prices usually range from $1,265 to $1,890. The lowest price recently found on this route was $1,268.

Discover deals from 900+ travel sites with momondo.

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.

4:25 pm - 12:05 am

BOS

KTM

21h 55m

2 stops

8:10 am - 3:10 pm

KTM

BOS

40h 45m

2 stops

$1,268Multiple Airlines

Sat, Aug 22 - Sat, Oct 24

8:25 am - 12:05 am

BOS

KTM

29h 55m

2 stops

2:40 pm - 3:00 pm

KTM

BOS

34h 05m

2 stops

$1,272Multiple Airlines

Tue, Sep 1 - Fri, Oct 9

5:16 am - 4:30 pm

BOS

KTM

25h 29m

2 stops

2:40 pm - 4:59 pm

KTM

BOS

36h 04m

2 stops

$1,275Multiple Airlines

Mon, Aug 31 - Fri, Sep 18

11:05 pm - 12:50 pm

BOS

KTM

52h 00m

2 stops

8:10 am - 2:10 pm

KTM

BOS

39h 45m

2 stops

$1,278Multiple Airlines

Wed, Sep 9 - Thu, Oct 15

11:05 pm - 6:10 pm

BOS

KTM

33h 20m

2 stops

1:25 pm - 2:10 pm

KTM

BOS

34h 30m

2 stops

$1,285Multiple Airlines

Tue, Sep 1 - Tue, Sep 29

10:10 pm - 6:35 pm

BOS

KTM

33h 40m

2 stops

1:45 pm - 1:55 pm

KTM

BOS

34h 55m

2 stops

$1,298Multiple Airlines

Tue, Nov 10 - Tue, Nov 17

10:10 pm - 6:35 pm

BOS

KTM

33h 40m

2 stops

1:45 pm - 1:55 pm

KTM

BOS

34h 55m

2 stops

$1,299Multiple Airlines

Tue, Nov 3 - Tue, Nov 17

11:05 pm - 6:10 pm

BOS

KTM

33h 20m

2 stops

1:45 pm - 1:55 pm

KTM

BOS

34h 55m

2 stops

$1,301Multiple Airlines

Tue, Sep 1 - Mon, Nov 30

4:25 pm - 2:10 pm

BOS

KTM

36h 00m

3 stops

1:15 pm - 2:10 pm

KTM

BOS

35h 40m

2 stops

$1,304Multiple Airlines

Thu, Oct 1 - Mon, Nov 30

4:25 pm - 2:10 pm

BOS

KTM

36h 00m

3 stops

10:50 am - 2:40 pm

KTM

BOS

37h 35m

2 stops

$1,305Multiple Airlines

Thu, Oct 1 - Thu, Oct 22

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

Qatar Airways flights from Boston to Kathmandu

Our best Qatar Airways deals on Boston to Kathmandu flight tickets

Qatar Airways

Sep 9

BOS10:00 pmBoston Logan Intl

26h 05m

1 stop

KTM9:50 amKathmandu Tribhuvan

Oct 15

KTM6:45 pmKathmandu Tribhuvan

30h 15m

1 stop

BOS3:15 pmBoston Logan Intl

$1,408

Qatar Airways

Aug 10

BOS10:00 pmBoston Logan Intl

26h 05m

1 stop

KTM9:50 amKathmandu Tribhuvan

Sep 24

KTM6:45 pmKathmandu Tribhuvan

30h 15m

1 stop

BOS3:15 pmBoston Logan Intl

$1,412

Qatar Airways

Sep 20

BOS10:00 pmBoston Logan Intl

25h 05m

1 stop

KTM8:50 amKathmandu Tribhuvan

Oct 22

KTM6:45 pmKathmandu Tribhuvan

30h 15m

1 stop

BOS3:15 pmBoston Logan Intl

$1,413

Air India flights from Boston to Kathmandu

Our best Air India deals on Boston to Kathmandu flight tickets

Air India

Aug 9

BOS8:11 amBoston Logan Intl

42h 54m

2 stops

KTM12:50 pmKathmandu Tribhuvan

Sep 23

KTM6:30 amKathmandu Tribhuvan

41h 55m

2 stops

BOS2:40 pmBoston Logan Intl

$1,376

Air India

Oct 1

BOS6:55 amBoston Logan Intl

44h 10m

2 stops

KTM12:50 pmKathmandu Tribhuvan

Oct 20

KTM10:05 amKathmandu Tribhuvan

40h 39m

2 stops

BOS4:59 pmBoston Logan Intl

$1,441

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Sat 8/22

4:25 pm-12:05 am

2 stops21h 55m

Kathmandu Tribhuvan

Sat 10/24

8:10 am-3:10 pm

2 stops40h 45m

$1,268

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Tue 9/1

8:25 am-12:05 am

2 stops29h 55m

Kathmandu Tribhuvan

Fri 10/9

2:40 pm-3:00 pm

2 stops34h 05m

$1,272

Quickest round-trip

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Mon 8/31

5:16 am-4:30 pm

2 stops25h 29m

Kathmandu Tribhuvan

Fri 9/18

2:40 pm-4:59 pm

2 stops36h 04m

$1,275

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Wed 9/9

11:05 pm-12:50 pm

2 stops52h 00m

Kathmandu Tribhuvan

Thu 10/15

8:10 am-2:10 pm

2 stops39h 45m

$1,278

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Tue 9/1

11:05 pm-6:10 pm

2 stops33h 20m

Kathmandu Tribhuvan

Tue 9/29

1:25 pm-2:10 pm

2 stops34h 30m

$1,285

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Tue 11/10

10:10 pm-6:35 pm

2 stops33h 40m

Kathmandu Tribhuvan

Tue 11/17

1:45 pm-1:55 pm

2 stops34h 55m

$1,298

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Tue 11/3

10:10 pm-6:35 pm

2 stops33h 40m

Kathmandu Tribhuvan

Tue 11/17

1:45 pm-1:55 pm

2 stops34h 55m

$1,299

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Tue 9/1

11:05 pm-6:10 pm

2 stops33h 20m

Kathmandu Tribhuvan

Mon 11/30

1:45 pm-1:55 pm

2 stops34h 55m

$1,301

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Thu 10/1

4:25 pm-2:10 pm

3 stops36h 00m

Kathmandu Tribhuvan

Mon 11/30

1:15 pm-2:10 pm

2 stops35h 40m

$1,304

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Thu 10/1

4:25 pm-2:10 pm

3 stops36h 00m

Kathmandu Tribhuvan

Thu 10/22

10:50 am-2:40 pm

2 stops37h 35m

$1,305

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 September is another great option to travel to Kathmandu, with average flight prices from Boston averaging around $1,355.

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 $1,487 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 $1,168 on momondo.

How have Boston to Kathmandu flight prices changed over time?

As of June 2026, prices for Boston to Kathmandu flights are approximately 27% 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	21h 45m
Direct flights	None

The fastest flight from Boston to Kathmandu takes 21h 45m

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. 21h 45m 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 June 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 44% of all bookings. The subsequent popular airlines are Emirates at 25%, Cathay Pacific at 12%, and Turkish Airlines at 8%.

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 $753	Free Cancellation	Rating 7.6 1,394 reviews	Search Cathay Pacific flights
IndiGo	PriceFrom $935	Free Cancellation	Rating 6.8 574 reviews	Search IndiGo flights
Air India	PriceFrom $1,017	Free Cancellation	Rating 5.6 2,957 reviews	Search Air India flights
Emirates	PriceFrom $1,100	Free Cancellation	Rating 8.1 3,602 reviews	Search Emirates flights
Turkish Airlines	PriceFrom $1,186	Free Cancellation	Rating 7.4 4,425 reviews	Search Turkish Airlines flights
Qatar Airways	PriceFrom $1,276	Free Cancellation	Rating 7.3 3,736 reviews	Search Qatar Airways flights
SWISS	PriceFrom $1,595	Free Cancellation	Rating 7.5 1,976 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

Mon 7/27

Mon 8/3

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 $503

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 8/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Boston to Kathmandu

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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

Qatar Airways flights from Boston to Kathmandu

Our best Qatar Airways deals on Boston to Kathmandu flight tickets

Air India flights from Boston to Kathmandu

Our best Air India 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?

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