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 14m.

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

Istanbul (IST) has the shortest average layover time for this route: 6h 48m.

What is the cheapest airline that flies from Boston Logan Intl to Kathmandu Tribhuvan?

Etihad Airways is the most popular carrier operating from Boston Logan Intl to Kathmandu Tribhuvan

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 50% 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: 38% 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 $1,141.

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 July 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.

$446 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 $1,390 to $1,914. The lowest price recently found on this route was $1,364.

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.

11:59 am - 9:30 am

BOS

KTM

35h 46m

2 stops

10:10 am - 2:10 pm

KTM

BOS

37h 45m

1 stop

$1,364Multiple Airlines

Wed, Jul 29 - Thu, Aug 13

4:40 pm - 9:30 am

BOS

KTM

31h 05m

1 stop

9:55 am - 2:10 pm

KTM

BOS

39h 00m

1 stop

$1,385Etihad Airways

Mon, Sep 28 - Fri, Nov 6

4:00 pm - 9:30 pm

BOS

KTM

43h 45m

3 stops

10:50 pm - 6:32 am

KTM

BOS

41h 27m

2 stops

$1,387Singapore Airlines

Thu, Sep 10 - Thu, Sep 24

11:05 pm - 7:50 pm

BOS

KTM

35h 00m

2 stops

3:10 pm - 2:10 pm

KTM

BOS

56h 45m

3 stops

$1,388Multiple Airlines

Wed, Jul 29 - Tue, Sep 15

4:40 pm - 12:15 pm

BOS

KTM

33h 50m

3 stops

2:05 pm - 2:10 pm

KTM

BOS

33h 50m

3 stops

$1,390Multiple Airlines

Tue, Sep 1 - Tue, Sep 22

11:05 pm - 12:50 pm

BOS

KTM

28h 00m

2 stops

1:45 pm - 1:55 pm

KTM

BOS

34h 55m

2 stops

$1,395Multiple Airlines

Thu, Sep 17 - Sun, Jan 31

4:40 pm - 2:10 pm

BOS

KTM

35h 45m

3 stops

3:10 pm - 2:40 pm

KTM

BOS

33h 15m

3 stops

$1,397Multiple Airlines

Fri, Aug 28 - Mon, Oct 12

11:05 pm - 12:50 pm

BOS

KTM

28h 00m

2 stops

1:45 pm - 1:55 pm

KTM

BOS

34h 55m

2 stops

$1,401Multiple Airlines

Thu, Sep 17 - Sun, Mar 7

4:40 pm - 9:30 am

BOS

KTM

31h 05m

1 stop

10:10 am - 2:40 pm

KTM

BOS

38h 15m

1 stop

$1,406Etihad Airways

Thu, Aug 27 - Sun, Oct 11

5:01 am - 12:50 pm

BOS

KTM

46h 04m

2 stops

9:10 pm - 3:00 pm

KTM

BOS

27h 35m

2 stops

$1,410Air India

Thu, Aug 27 - Sun, Oct 11

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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

25h 05m

1 stop

KTM8:50 amKathmandu Tribhuvan

Oct 15

KTM6:45 pmKathmandu Tribhuvan

30h 15m

1 stop

BOS3:15 pmBoston Logan Intl

$1,417

Qatar Airways

Sep 9

BOS10:00 pmBoston Logan Intl

25h 05m

1 stop

KTM8:50 amKathmandu Tribhuvan

Oct 15

KTM6:45 pmKathmandu Tribhuvan

30h 15m

1 stop

BOS3:15 pmBoston Logan Intl

$1,431

Qatar Airways

Aug 23

BOS10:00 pmBoston Logan Intl

25h 05m

1 stop

KTM8:50 amKathmandu Tribhuvan

Sep 15

KTM3:30 pmKathmandu Tribhuvan

33h 30m

1 stop

BOS3:15 pmBoston Logan Intl

$1,432

Air India flights from Boston to Kathmandu

Our best Air India deals on Boston to Kathmandu flight tickets

Air India

Jul 31

BOS12:44 pmBoston Logan Intl

49h 36m

2 stops

KTM12:05 amKathmandu Tribhuvan

Aug 31

KTM6:30 amKathmandu Tribhuvan

42h 25m

3 stops

BOS3:10 pmBoston Logan Intl

$1,806

Air India

Jul 22

BOS8:41 amBoston Logan Intl

29h 39m

2 stops

KTM12:05 amKathmandu Tribhuvan

Aug 23

KTM5:30 pmKathmandu Tribhuvan

30h 58m

3 stops

BOS2:43 pmBoston Logan Intl

$1,809

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Wed 7/29

11:59 am-9:30 am

2 stops35h 46m

Kathmandu Tribhuvan

Thu 8/13

10:10 am-2:10 pm

1 stop37h 45m

$1,364

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Mon 9/28

4:40 pm-9:30 am

1 stop31h 05m

Kathmandu Tribhuvan

Fri 11/6

9:55 am-2:10 pm

1 stop39h 00m

$1,385

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Thu 9/10

4:00 pm-9:30 pm

3 stops43h 45m

Kathmandu Tribhuvan

Thu 9/24

10:50 pm-6:32 am

2 stops41h 27m

$1,387

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Wed 7/29

11:05 pm-7:50 pm

2 stops35h 00m

Kathmandu Tribhuvan

Tue 9/15

3:10 pm-2:10 pm

3 stops56h 45m

$1,388

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Tue 9/1

4:40 pm-12:15 pm

3 stops33h 50m

Kathmandu Tribhuvan

Tue 9/22

2:05 pm-2:10 pm

3 stops33h 50m

$1,390

Quickest round-trip

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Thu 9/17

11:05 pm-12:50 pm

2 stops28h 00m

Kathmandu Tribhuvan

Sun 1/31

1:45 pm-1:55 pm

2 stops34h 55m

$1,395

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Fri 8/28

4:40 pm-2:10 pm

3 stops35h 45m

Kathmandu Tribhuvan

Mon 10/12

3:10 pm-2:40 pm

3 stops33h 15m

$1,397

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Thu 9/17

11:05 pm-12:50 pm

2 stops28h 00m

Kathmandu Tribhuvan

Sun 3/7

1:45 pm-1:55 pm

2 stops34h 55m

$1,401

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Thu 8/27

4:40 pm-9:30 am

1 stop31h 05m

Kathmandu Tribhuvan

Sun 10/11

10:10 am-2:40 pm

1 stop38h 15m

$1,406

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Thu 8/27

5:01 am-12:50 pm

2 stops46h 04m

Kathmandu Tribhuvan

Sun 10/11

9:10 pm-3:00 pm

2 stops27h 35m

$1,410

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 $1,356.

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 $1,508 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 July 2026, prices for Boston to Kathmandu flights are approximately 22% cheaper 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	22h 19m
Direct flights	None

The fastest flight from Boston to Kathmandu takes 22h 19m

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

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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. 22h 19m 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 July 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 45% 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 1,415 reviews	Search Cathay Pacific flights
IndiGo	PriceFrom $935	Free Cancellation	Rating 6.8 577 reviews	Search IndiGo flights
Air India	PriceFrom $1,017	Free Cancellation	Rating 5.6 2,958 reviews	Search Air India flights
Emirates	PriceFrom $1,100	Free Cancellation	Rating 8.1 3,629 reviews	Search Emirates flights
Turkish Airlines	PriceFrom $1,186	Free Cancellation	Rating 7.4 4,449 reviews	Search Turkish Airlines flights
Qatar Airways	PriceFrom $1,277	Free Cancellation	Rating 7.3 3,744 reviews	Search Qatar Airways flights
SWISS	PriceFrom $1,595	Free Cancellation	Rating 7.5 2,010 reviews	Search SWISS flights

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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.

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Cheap flights from Boston to Kathmandu from $446

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 8/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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

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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 is the cheapest airline that flies from Boston Logan Intl to Kathmandu Tribhuvan?

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

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.

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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.

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