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

IndiGo is the most popular carrier 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 $1,105.

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

Doha (DOH) was the most common stop: 42% of momondo users choosing 1-stop flights on this route connected there.

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 56m.

What airlines fly to Kathmandu?

Qatar Airways, Emirates and IndiGo 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 52% 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: 5h 08m.

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 January 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.

$366 Cheap Flights from Boston to Kathmandu in 2026

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Find the cheapest flights from Boston to Kathmandu

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One-way

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Cheap round-trip flights

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3:40 pm - 6:35 am

BOS

KTM

28h 10m

3 stops

5:30 pm - 2:10 pm

KTM

BOS

31h 25m

3 stops

$1,059Multiple Airlines

Mon, Feb 9 - Mon, Feb 16

7:40 pm - 9:30 pm

BOS

KTM

39h 05m

2 stops

10:55 pm - 5:16 pm

KTM

BOS

29h 06m

2 stops

$1,081Multiple Airlines

Tue, Feb 10 - Tue, Feb 17

3:05 pm - 11:00 pm

BOS

KTM

46h 10m

2 stops

7:35 am - 2:16 pm

KTM

BOS

40h 26m

2 stops

$1,088Air India

Wed, Apr 1 - Fri, May 1

9:40 pm - 9:50 am

BOS

KTM

26h 25m

2 stops

2:00 pm - 5:40 pm

KTM

BOS

37h 25m

2 stops

$1,092Multiple Airlines

Thu, Jun 25 - Fri, Jul 17

8:00 pm - 9:50 am

BOS

KTM

27h 05m

2 stops

11:15 pm - 1:55 pm

KTM

BOS

25h 25m

1 stop

$1,093Multiple Airlines

Mon, Feb 2 - Thu, Feb 19

10:10 am - 8:05 pm

BOS

KTM

47h 10m

2 stops

9:10 pm - 10:05 pm

KTM

BOS

34h 40m

2 stops

$1,095Air India

Sun, Mar 1 - Wed, Apr 1

8:09 am - 8:05 pm

BOS

KTM

26h 11m

2 stops

5:30 pm - 9:24 pm

KTM

BOS

37h 39m

2 stops

$1,102Multiple Airlines

Thu, Mar 12 - Thu, Apr 16

8:00 pm - 4:10 pm

BOS

KTM

33h 25m

2 stops

7:05 pm - 2:20 pm

KTM

BOS

30h 00m

1 stop

$1,105Multiple Airlines

Sat, Jan 24 - Sun, Feb 8

8:09 am - 8:05 pm

BOS

KTM

26h 11m

2 stops

5:30 pm - 2:35 pm

KTM

BOS

30h 50m

2 stops

$1,113Air India

Thu, Mar 12 - Sun, Apr 5

3:40 pm - 9:05 am

BOS

KTM

30h 40m

1 stop

5:10 pm - 6:05 pm

KTM

BOS

35h 40m

2 stops

$1,114Multiple Airlines

Mon, Jan 26 - Tue, Feb 10

Etihad Airways flights from Boston to Kathmandu

Our best Etihad Airways deals on Boston to Kathmandu flight tickets

Etihad Airways

Jan 21

BOS3:40 pmBoston Logan Intl

30h 40m

1 stop

KTM9:05 amKathmandu Tribhuvan

Jan 31

KTM9:50 amKathmandu Tribhuvan

39h 05m

1 stop

BOS2:10 pmBoston Logan Intl

$1,263

Etihad Airways

Jan 25

BOS3:40 pmBoston Logan Intl

30h 40m

1 stop

KTM9:05 amKathmandu Tribhuvan

Jan 29

KTM9:50 amKathmandu Tribhuvan

39h 05m

1 stop

BOS2:10 pmBoston Logan Intl

$1,305

Air India flights from Boston to Kathmandu

Our best Air India deals on Boston to Kathmandu flight tickets

Air India

Mar 1

BOS10:10 amBoston Logan Intl

47h 10m

2 stops

KTM8:05 pmKathmandu Tribhuvan

Apr 1

KTM9:10 pmKathmandu Tribhuvan

34h 40m

2 stops

BOS10:05 pmBoston Logan Intl

$1,095

Air India

Mar 12

BOS8:09 amBoston Logan Intl

26h 11m

2 stops

KTM8:05 pmKathmandu Tribhuvan

Apr 5

KTM5:30 pmKathmandu Tribhuvan

30h 50m

2 stops

BOS2:35 pmBoston Logan Intl

$1,113

Air India

Jan 25

BOS8:10 pmBoston Logan Intl

41h 20m

2 stops

KTM12:15 amKathmandu Tribhuvan

Mar 25

KTM2:55 pmKathmandu Tribhuvan

40h 14m

2 stops

BOS9:24 pmBoston Logan Intl

$1,119

Fly from

Fly to

Route

Depart

Return

Price

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Mon 2/9

3:40 pm-6:35 am

3 stops28h 10m

Kathmandu Tribhuvan

Mon 2/16

5:30 pm-2:10 pm

3 stops31h 25m

$1,059

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Tue 2/10

7:40 pm-9:30 pm

2 stops39h 05m

Kathmandu Tribhuvan

Tue 2/17

10:55 pm-5:16 pm

2 stops29h 06m

$1,081

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Wed 4/1

3:05 pm-11:00 pm

2 stops46h 10m

Kathmandu Tribhuvan

Fri 5/1

7:35 am-2:16 pm

2 stops40h 26m

$1,088

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Thu 6/25

9:40 pm-9:50 am

2 stops26h 25m

Kathmandu Tribhuvan

Fri 7/17

2:00 pm-5:40 pm

2 stops37h 25m

$1,092

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Mon 2/2

8:00 pm-9:50 am

2 stops27h 05m

Kathmandu Tribhuvan

Thu 2/19

11:15 pm-1:55 pm

1 stop25h 25m

$1,093

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Sun 3/1

10:10 am-8:05 pm

2 stops47h 10m

Kathmandu Tribhuvan

Wed 4/1

9:10 pm-10:05 pm

2 stops34h 40m

$1,095

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Thu 3/12

8:09 am-8:05 pm

2 stops26h 11m

Kathmandu Tribhuvan

Thu 4/16

5:30 pm-9:24 pm

2 stops37h 39m

$1,102

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Sat 1/24

8:00 pm-4:10 pm

2 stops33h 25m

Kathmandu Tribhuvan

Sun 2/8

7:05 pm-2:20 pm

1 stop30h 00m

$1,105

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Thu 3/12

8:09 am-8:05 pm

2 stops26h 11m

Kathmandu Tribhuvan

Sun 4/5

5:30 pm-2:35 pm

2 stops30h 50m

$1,113

BostonKathmandu

BOS - KTM

BOSKTM

Boston Logan Intl

Mon 1/26

3:40 pm-9:05 am

1 stop30h 40m

Kathmandu Tribhuvan

Tue 2/10

5:10 pm-6:05 pm

2 stops35h 40m

$1,114

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 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 $1,312.

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 $1,463 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 $1,161 on momondo.

How have Boston to Kathmandu flight prices changed over time?

As of January 2026, prices for Boston to Kathmandu flights are approximately 35% 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 50m
Direct flights	None

The fastest flight from Boston to Kathmandu takes 21h 50m

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 January 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 18%, IndiGo at 12%, and Cathay Pacific at 11%.

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 $775	Free Cancellation	Rating 7.6 1,130 reviews	Search Cathay Pacific flights
Air India	PriceFrom $1,017	Free Cancellation	Rating 5.5 2,975 reviews	Search Air India flights
IndiGo	PriceFrom $1,027	Free Cancellation	Rating 6.8 522 reviews	Search IndiGo flights
Emirates	PriceFrom $1,050	Free Cancellation	Rating 8.1 3,464 reviews	Search Emirates flights
Turkish Airlines	PriceFrom $1,186	Free Cancellation	Rating 7.3 4,160 reviews	Search Turkish Airlines flights
Qatar Airways	PriceFrom $1,257	Free Cancellation	Rating 7.4 3,714 reviews	Search Qatar Airways flights
SWISS	PriceFrom $1,599	Free Cancellation	Rating 7.5 1,846 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 $366

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 1/26. 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

Air India flights from Boston to Kathmandu

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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 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 $1,312.

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

How have Boston to Kathmandu flight prices changed over time?

As of January 2026, prices for Boston to Kathmandu flights are approximately 35% 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 is the most popular carrier 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: 42% 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 $1,105.

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 56m.

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

Istanbul (IST) has the shortest average layover time for this route: 5h 08m.

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

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