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: 24h 51m.

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

Istanbul (IST) has the shortest average layover time for this route: 8h 51m.

What airlines fly to Kathmandu?

Qatar Airways, Cathay Pacific and Emirates 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 53% 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: 48% of momondo users choosing 1-stop flights on this route connected there.

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

IndiGo, Etihad Airways, and Qatar Airways are the most popular carriers operating from Boston Logan Intl to Kathmandu Tribhuvan

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

Flights via Hong Kong (HKG) offer the lowest average round-trip price of $1,056.

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 November 2025.

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.

$399 Cheap Flights from Boston to Kathmandu in 2025/26

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3:40 pm - 12:15 amBOS-KTM

21h 50m2 stops

1:45 pm - 2:10 pmKTM-BOS

35h 10m2 stops

$999Multiple Airlines

Find Deal

Thu, Feb 12 - Sun, Feb 22

3:40 pm - 12:15 amBOS-KTM

21h 50m2 stops

1:45 pm - 1:55 pmKTM-BOS

34h 55m2 stops

$1,017Multiple Airlines

Find Deal

Sun, Jan 18 - Sun, Mar 1

8:00 pm - 12:15 pmBOS-KTM

29h 30m2 stops

1:15 pm - 6:05 pmKTM-BOS

39h 35m2 stops

$1,025IndiGo

Find Deal

Fri, Dec 5 - Fri, Dec 12

3:40 pm - 12:15 amBOS-KTM

21h 50m2 stops

2:30 pm - 2:10 pmKTM-BOS

34h 25m3 stops

$1,026Multiple Airlines

Find Deal

Fri, Jan 16 - Sun, Feb 1

3:40 pm - 9:50 amBOS-KTM

31h 25m3 stops

1:45 pm - 2:10 pmKTM-BOS

35h 10m2 stops

$1,027Multiple Airlines

Find Deal

Fri, Jan 16 - Mon, Mar 2

8:00 pm - 9:50 amBOS-KTM

27h 05m2 stops

10:50 am - 6:05 pmKTM-BOS

42h 00m2 stops

$1,066IndiGo

Find Deal

Sat, Dec 6 - Tue, Dec 9

8:00 pm - 4:10 pmBOS-KTM

33h 25m2 stops

10:50 am - 6:05 pmKTM-BOS

42h 00m2 stops

$1,078IndiGo

Find Deal

Sat, Dec 6 - Sun, Dec 21

5:32 pm - 9:40 pmBOS-KTM

42h 23m3 stops

11:00 pm - 6:03 amKTM-BOS

40h 48m2 stops

$1,094Singapore Airlines

Find Deal

Wed, Mar 11 - Sun, Mar 29

9:50 pm - 9:50 amBOS-KTM

26h 15m2 stops

2:00 pm - 7:55 pmKTM-BOS

39h 40m2 stops

$1,138IndiGo

Find Deal

Mon, Apr 13 - Mon, Apr 20

10:10 am - 9:50 pmBOS-KTM

48h 55m3 stops

11:00 pm - 11:52 pmKTM-BOS

34h 37m2 stops

$1,185Singapore Airlines

Find Deal

Thu, Mar 5 - Mon, Apr 13

IndiGo flights from Boston to Kathmandu

Our best IndiGo deals on Boston to Kathmandu flight tickets

IndiGo

Nov 8

BOS8:00 pmBoston Logan Intl

30h 45m

2 stops

KTM1:30 pmKathmandu Tribhuvan

Nov 10

KTM5:10 pmKathmandu Tribhuvan

35h 40m

2 stops

BOS6:05 pmBoston Logan Intl

$995

Find similar

IndiGo

Nov 8

BOS8:00 pmBoston Logan Intl

30h 45m

2 stops

KTM1:30 pmKathmandu Tribhuvan

Nov 10

KTM5:10 pmKathmandu Tribhuvan

35h 40m

2 stops

BOS6:05 pmBoston Logan Intl

$996

Find similar

IndiGo

Nov 14

BOS8:00 pmBoston Logan Intl

27h 05m

2 stops

KTM9:50 amKathmandu Tribhuvan

Nov 21

KTM10:50 amKathmandu Tribhuvan

42h 00m

2 stops

BOS6:05 pmBoston Logan Intl

$1,020

Find similar

Singapore Airlines flights from Boston to Kathmandu

Our best Singapore Airlines deals on Boston to Kathmandu flight tickets

Singapore Airlines

Mar 11

BOS5:32 pmBoston Logan Intl

42h 23m

3 stops

KTM9:40 pmKathmandu Tribhuvan

Mar 29

KTM11:00 pmKathmandu Tribhuvan

40h 48m

2 stops

BOS6:03 amBoston Logan Intl

$1,094

Find similar

Singapore Airlines

Mar 5

BOS10:10 amBoston Logan Intl

48h 55m

3 stops

KTM9:50 pmKathmandu Tribhuvan

Apr 13

KTM11:00 pmKathmandu Tribhuvan

34h 37m

2 stops

BOS11:52 pmBoston Logan Intl

$1,185

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Thu 2/12

3:40 pm-12:15 am

2 stops21h 50m

Kathmandu Tribhuvan

Sun 2/22

1:45 pm-2:10 pm

2 stops35h 10m

$999

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Sun 1/18

3:40 pm-12:15 am

2 stops21h 50m

Kathmandu Tribhuvan

Sun 3/1

1:45 pm-1:55 pm

2 stops34h 55m

$1,017

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Fri 12/5

8:00 pm-12:15 pm

2 stops29h 30m

Kathmandu Tribhuvan

Fri 12/12

1:15 pm-6:05 pm

2 stops39h 35m

$1,025

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Fri 1/16

3:40 pm-12:15 am

2 stops21h 50m

Kathmandu Tribhuvan

Sun 2/1

2:30 pm-2:10 pm

3 stops34h 25m

$1,026

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Fri 1/16

3:40 pm-9:50 am

3 stops31h 25m

Kathmandu Tribhuvan

Mon 3/2

1:45 pm-2:10 pm

2 stops35h 10m

$1,027

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Sat 12/6

8:00 pm-9:50 am

2 stops27h 05m

Kathmandu Tribhuvan

Tue 12/9

10:50 am-6:05 pm

2 stops42h 00m

$1,066

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Sat 12/6

8:00 pm-4:10 pm

2 stops33h 25m

Kathmandu Tribhuvan

Sun 12/21

10:50 am-6:05 pm

2 stops42h 00m

$1,078

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Wed 3/11

5:32 pm-9:40 pm

3 stops42h 23m

Kathmandu Tribhuvan

Sun 3/29

11:00 pm-6:03 am

2 stops40h 48m

$1,094

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Mon 4/13

9:50 pm-9:50 am

2 stops26h 15m

Kathmandu Tribhuvan

Mon 4/20

2:00 pm-7:55 pm

2 stops39h 40m

$1,138

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Thu 3/5

10:10 am-9:50 pm

3 stops48h 55m

Kathmandu Tribhuvan

Mon 4/13

11:00 pm-11:52 pm

2 stops34h 37m

$1,185

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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 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.

What is the cheapest day to depart on your flight to Kathmandu?

According to our data, Tuesday is the cheapest day to fly to Kathmandu from Boston. The lowest ticket price found for a Tuesday departure recently was $1,421. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Boston to Kathmandu on a Sunday will generally be more expensive and average around $1,596. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Kathmandu?

In the evening is the cheapest time of day to fly from Boston to Kathmandu when you can find flight prices for as low as $1,454. Flying to Kathmandu in the evening is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $1,537.

How far in advance should I book a flight 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 $1,465 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 $1,251 on momondo.

How have Boston to Kathmandu flight prices changed over time?

As of November 2025, prices for Boston to Kathmandu flights are approximately 23% 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

Direct flights	None

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

Search flight deals

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 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 November 2025.
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 47% of all bookings. The subsequent popular airlines are Cathay Pacific at 16%, Emirates at 15%, and IndiGo at 10%.

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 $769	Free Cancellation	Rating 7.6 1,055 reviews	Search Cathay Pacific flights
Emirates	PriceFrom $1,050	Free Cancellation	Rating 8.1 3,402 reviews	Search Emirates flights
IndiGo	PriceFrom $1,080	Free Cancellation	Rating 6.9 496 reviews	Search IndiGo flights
Qatar Airways	PriceFrom $1,256	Free Cancellation	Rating 7.4 3,661 reviews	Search Qatar Airways flights
Turkish Airlines	PriceFrom $1,295	Free Cancellation	Rating 7.3 4,031 reviews	Search Turkish Airlines flights
Etihad Airways	PriceFrom $1,437	Free Cancellation	Rating 7.4 1,285 reviews	Search Etihad Airways flights
SWISS	PriceFrom $1,599	Free Cancellation	Rating 7.5 1,779 reviews	Search SWISS flights

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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

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Cheap flights from Boston to Kathmandu from $399

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 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

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Cheap round-trip flights

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IndiGo flights from Boston to Kathmandu

Our best IndiGo deals on Boston to Kathmandu flight tickets

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Our best Singapore Airlines 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

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

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.

What is the cheapest day to depart on your flight to Kathmandu?

What is the cheapest time of day to depart on your flight to Kathmandu?

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

How have Boston to Kathmandu flight prices changed over time?

As of November 2025, prices for Boston to Kathmandu flights are approximately 23% cheaper when compared to flights at the same time last year.

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

IndiGo, Etihad Airways, and Qatar Airways are the most popular carriers operating 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?

Doha (DOH) was the most common stop: 48% 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 $1,056.

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: 24h 51m.

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

Istanbul (IST) has the shortest average layover time for this route: 8h 51m.

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

Direct flights

How far is Boston Logan Intl to Kathmandu Tribhuvan by plane?

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

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

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

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

What is the most popular airline 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?

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

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

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

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

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