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 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.

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

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

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.

$475 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 $1,242 to $1,890. The lowest price recently found on this route was $1,391.

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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.

4:40 pm - 12:05 am

BOS

KTM

21h 40m

2 stops

8:10 am - 2:40 pm

KTM

BOS

40h 15m

2 stops

$1,391Multiple Airlines

Sun, Sep 27 - Thu, Oct 22

4:40 pm - 9:30 am

BOS

KTM

31h 05m

1 stop

5:30 pm - 2:40 pm

KTM

BOS

30h 55m

2 stops

$1,392Multiple Airlines

Tue, Sep 22 - Thu, Oct 8

4:00 pm - 9:30 am

BOS

KTM

31h 45m

2 stops

10:10 am - 2:40 pm

KTM

BOS

38h 15m

1 stop

$1,393Etihad Airways

Wed, Sep 9 - Thu, Oct 15

4:40 pm - 9:30 am

BOS

KTM

31h 05m

1 stop

10:10 am - 2:10 pm

KTM

BOS

37h 45m

1 stop

$1,394Etihad Airways

Tue, Aug 4 - Thu, Aug 20

11:05 pm - 9:45 am

BOS

KTM

24h 55m

1 stop

1:45 pm - 1:55 pm

KTM

BOS

34h 55m

2 stops

$1,395Multiple Airlines

Sun, Aug 9 - Sun, Jan 24

6:55 am - 6:10 pm

BOS

KTM

25h 30m

2 stops

2:00 pm - 2:40 pm

KTM

BOS

34h 25m

2 stops

$1,396Multiple Airlines

Thu, Sep 17 - Sun, Sep 27

11:05 pm - 9:45 am

BOS

KTM

24h 55m

1 stop

1:25 pm - 2:10 pm

KTM

BOS

34h 30m

2 stops

$1,398Multiple Airlines

Sat, Sep 12 - Mon, Sep 21

4:40 pm - 9:30 am

BOS

KTM

31h 05m

1 stop

10:10 am - 2:10 pm

KTM

BOS

37h 45m

1 stop

$1,399Etihad Airways

Mon, Jul 20 - Sun, Aug 9

4:40 pm - 9:30 am

BOS

KTM

31h 05m

1 stop

10:10 am - 2:10 pm

KTM

BOS

37h 45m

1 stop

$1,400Etihad Airways

Fri, Jul 24 - Sat, Aug 8

4:40 pm - 9:30 am

BOS

KTM

31h 05m

1 stop

10:10 am - 2:10 pm

KTM

BOS

37h 45m

1 stop

$1,404Etihad Airways

Thu, Jul 16 - Fri, Jul 24

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Etihad Airways flights from Boston to Kathmandu

Our best Etihad Airways deals on Boston to Kathmandu flight tickets

Etihad Airways

Sep 9

BOS4:00 pmBoston Logan Intl

31h 45m

2 stops

KTM9:30 amKathmandu Tribhuvan

Oct 15

KTM10:10 amKathmandu Tribhuvan

38h 15m

1 stop

BOS2:40 pmBoston Logan Intl

$1,393

Etihad Airways

Aug 4

BOS4:40 pmBoston Logan Intl

31h 05m

1 stop

KTM9:30 amKathmandu Tribhuvan

Aug 20

KTM10:10 amKathmandu Tribhuvan

37h 45m

1 stop

BOS2:10 pmBoston Logan Intl

$1,394

Etihad Airways

Oct 22

BOS4:25 pmBoston Logan Intl

31h 20m

1 stop

KTM9:30 amKathmandu Tribhuvan

Nov 8

KTM9:55 amKathmandu Tribhuvan

39h 00m

1 stop

BOS2:10 pmBoston Logan Intl

$1,399

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

$1,424

Qatar Airways

Oct 5

BOS10:00 pmBoston Logan Intl

33h 45m

1 stop

KTM5:30 pmKathmandu Tribhuvan

Nov 17

KTM9:35 amKathmandu Tribhuvan

39h 05m

1 stop

BOS1:55 pmBoston Logan Intl

$1,428

Qatar Airways

Sep 9

BOS10:00 pmBoston Logan Intl

26h 05m

1 stop

KTM9:50 amKathmandu Tribhuvan

Sep 22

KTM6:45 pmKathmandu Tribhuvan

30h 15m

1 stop

BOS3:15 pmBoston Logan Intl

$1,437

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Sun 9/27

4:40 pm-12:05 am

2 stops21h 40m

Kathmandu Tribhuvan

Thu 10/22

8:10 am-2:40 pm

2 stops40h 15m

$1,391

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Tue 9/22

4:40 pm-9:30 am

1 stop31h 05m

Kathmandu Tribhuvan

Thu 10/8

5:30 pm-2:40 pm

2 stops30h 55m

$1,392

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Wed 9/9

4:00 pm-9:30 am

2 stops31h 45m

Kathmandu Tribhuvan

Thu 10/15

10:10 am-2:40 pm

1 stop38h 15m

$1,393

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Tue 8/4

4:40 pm-9:30 am

1 stop31h 05m

Kathmandu Tribhuvan

Thu 8/20

10:10 am-2:10 pm

1 stop37h 45m

$1,394

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Sun 8/9

11:05 pm-9:45 am

1 stop24h 55m

Kathmandu Tribhuvan

Sun 1/24

1:45 pm-1:55 pm

2 stops34h 55m

$1,395

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Thu 9/17

6:55 am-6:10 pm

2 stops25h 30m

Kathmandu Tribhuvan

Sun 9/27

2:00 pm-2:40 pm

2 stops34h 25m

$1,396

Quickest round-trip

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Sat 9/12

11:05 pm-9:45 am

1 stop24h 55m

Kathmandu Tribhuvan

Mon 9/21

1:25 pm-2:10 pm

2 stops34h 30m

$1,398

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Mon 7/20

4:40 pm-9:30 am

1 stop31h 05m

Kathmandu Tribhuvan

Sun 8/9

10:10 am-2:10 pm

1 stop37h 45m

$1,399

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Fri 7/24

4:40 pm-9:30 am

1 stop31h 05m

Kathmandu Tribhuvan

Sat 8/8

10:10 am-2:10 pm

1 stop37h 45m

$1,400

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Thu 7/16

4:40 pm-9:30 am

1 stop31h 05m

Kathmandu Tribhuvan

Fri 7/24

10:10 am-2:10 pm

1 stop37h 45m

$1,404

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 $1,358.

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 $1,507 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	21h 40m
Direct flights	None

The fastest flight from Boston to Kathmandu takes 21h 40m

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. 21h 40m 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 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 1,406 reviews	Search Cathay Pacific flights
IndiGo	PriceFrom $935	Free Cancellation	Rating 6.8 575 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 3,613 reviews	Search Emirates flights
Turkish Airlines	PriceFrom $1,186	Free Cancellation	Rating 7.4 4,442 reviews	Search Turkish Airlines flights
Qatar Airways	PriceFrom $1,276	Free Cancellation	Rating 7.3 3,742 reviews	Search Qatar Airways flights
SWISS	PriceFrom $1,595	Free Cancellation	Rating 7.5 2,001 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.

An easier way to manage your Kathmandu trip

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Cheap flights from Boston to Kathmandu from $475

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 8/23. 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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Etihad Airways flights from Boston to Kathmandu

Our best Etihad Airways 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

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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 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.

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