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

Flights via Istanbul (IST) offer the lowest average round-trip price of $1,336.

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 11m.

What airlines fly to Kathmandu?

Qatar Airways, Emirates and Turkish Airlines 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 airport is the most popular layover for flights between Boston and Kathmandu?

Doha (DOH) was the most common stop: 46% of momondo users choosing 1-stop flights on this route connected there.

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

Istanbul (IST) has the shortest average layover time for this route: 6h 27m.

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 September 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.

$537 Cheap Flights from Boston to Kathmandu in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Kathmandu

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One-way

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4:25 pm - 9:45 amBOS Boston Logan Intl-KTM Kathmandu Tribhuvan

31h 35m3 stops Abu Dhabi Zayed Intl Bengaluru Intl New Delhi Indira Gandhi Intl

1:55 pm - 2:10 pmKTM Kathmandu Tribhuvan-BOS Boston Logan Intl

35h 00m3 stops New Delhi Indira Gandhi Intl Hyderabad Rajiv Gandhi Intl Abu Dhabi Zayed Intl

$1,233Multiple Airlines

Fri, Oct 23 - Sat, Nov 21

4:25 pm - 9:50 amBOS Boston Logan Intl-KTM Kathmandu Tribhuvan

31h 40m3 stops Abu Dhabi Zayed Intl Bengaluru Intl New Delhi Indira Gandhi Intl

1:55 pm - 2:10 pmKTM Kathmandu Tribhuvan-BOS Boston Logan Intl

35h 00m3 stops New Delhi Indira Gandhi Intl Bengaluru Intl Abu Dhabi Zayed Intl

$1,233Multiple Airlines

Wed, Oct 21 - Thu, Nov 19

4:11 pm - 8:10 pmBOS Boston Logan Intl-KTM Kathmandu Tribhuvan

42h 14m2 stops New York John F Kennedy Intl New Delhi Indira Gandhi Intl

6:30 am - 10:16 amKTM Kathmandu Tribhuvan-BOS Boston Logan Intl

38h 31m2 stops New Delhi Indira Gandhi Intl New York John F Kennedy Intl

$1,237Air India

Sat, Oct 17 - Thu, Nov 12

7:10 am - 8:40 pmBOS Boston Logan Intl-KTM Kathmandu Tribhuvan

27h 45m2 stops New York John F Kennedy Intl New Delhi Indira Gandhi Intl

5:10 pm - 10:41 amKTM Kathmandu Tribhuvan-BOS Boston Logan Intl

28h 16m2 stops New Delhi Indira Gandhi Intl New York John F Kennedy Intl

$1,243Air India

Mon, Oct 26 - Mon, Nov 2

8:40 pm - 8:20 amBOS Boston Logan Intl-KTM Kathmandu Tribhuvan

24h 55m1 stop Doha Hamad Intl

6:00 pm - 3:15 pmKTM Kathmandu Tribhuvan-BOS Boston Logan Intl

31h 00m1 stop Doha Hamad Intl

$1,453Qatar Airways

Mon, Jan 25 - Wed, Apr 28

10:00 pm - 8:50 amBOS Boston Logan Intl-KTM Kathmandu Tribhuvan

25h 05m1 stop Doha Hamad Intl

9:35 am - 1:55 pmKTM Kathmandu Tribhuvan-BOS Boston Logan Intl

39h 05m1 stop Doha Hamad Intl

$1,453Qatar Airways

Mon, Oct 12 - Thu, Nov 12

10:10 pm - 11:30 pmBOS Boston Logan Intl-KTM Kathmandu Tribhuvan

38h 35m1 stop Dubai Intl

9:20 am - 1:55 pmKTM Kathmandu Tribhuvan-BOS Boston Logan Intl

39h 20m1 stop Dubai Intl

$1,491Emirates

Wed, Jan 6 - Thu, Feb 18

10:10 pm - 8:20 amBOS Boston Logan Intl-KTM Kathmandu Tribhuvan

23h 25m1 stop Dubai Intl

9:20 am - 1:55 pmKTM Kathmandu Tribhuvan-BOS Boston Logan Intl

39h 20m1 stop Dubai Intl

$1,491Emirates

Wed, Jan 6 - Thu, Feb 11

8:00 pm - 11:20 amBOS Boston Logan Intl-KTM Kathmandu Tribhuvan

28h 35m1 stop Istanbul

12:45 pm - 6:05 pmKTM Kathmandu Tribhuvan-BOS Boston Logan Intl

40h 05m1 stop Istanbul

$1,537Turkish Airlines

Tue, Nov 10 - Tue, Nov 17

8:00 pm - 11:20 amBOS Boston Logan Intl-KTM Kathmandu Tribhuvan

28h 35m1 stop Istanbul

12:45 pm - 6:05 pmKTM Kathmandu Tribhuvan-BOS Boston Logan Intl

40h 05m1 stop Istanbul

$1,537Turkish Airlines

Sun, Nov 22 - Wed, Dec 23

Cheap last minute flights

Enter your travel dates to find the best prices.

4:35 pm - 12:05 amBOS Boston Logan Intl-KTM Kathmandu Tribhuvan

21h 45m2 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl

8:50 pm - 2:40 pmKTM Kathmandu Tribhuvan-BOS Boston Logan Intl

27h 35m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl

$1,252Multiple Airlines

Thu, Oct 1 - Thu, Oct 8

5:15 am - 12:05 amBOS Boston Logan Intl-KTM Kathmandu Tribhuvan

33h 05m2 stops New York John F Kennedy Intl New Delhi Indira Gandhi Intl

2:55 pm - 10:41 amKTM Kathmandu Tribhuvan-BOS Boston Logan Intl

30h 31m2 stops New Delhi Indira Gandhi Intl New York John F Kennedy Intl

$1,335Multiple Airlines

Mon, Sep 28 - Mon, Nov 16

5:15 am - 8:10 pmBOS Boston Logan Intl-KTM Kathmandu Tribhuvan

29h 10m2 stops New York John F Kennedy Intl New Delhi Indira Gandhi Intl

10:05 am - 3:00 pmKTM Kathmandu Tribhuvan-BOS Boston Logan Intl

39h 40m2 stops New Delhi Indira Gandhi Intl New York John F Kennedy Intl

$1,379Air India

Mon, Sep 28 - Mon, Nov 16

4:35 pm - 12:05 amBOS Boston Logan Intl-KTM Kathmandu Tribhuvan

21h 45m2 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl

7:00 pm - 3:15 pmKTM Kathmandu Tribhuvan-BOS Boston Logan Intl

30h 00m1 stop Doha Hamad Intl

$1,480Multiple Airlines

Thu, Oct 1 - Thu, Oct 8

10:00 pm - 5:45 pmBOS Boston Logan Intl-KTM Kathmandu Tribhuvan

34h 00m1 stop Doha Hamad Intl

9:35 am - 12:15 pmKTM Kathmandu Tribhuvan-BOS Boston Logan Intl

37h 25m2 stops Doha Hamad Intl New York John F Kennedy Intl

$1,667Qatar Airways

Mon, Sep 28 - Mon, Nov 16

10:00 pm - 8:50 amBOS Boston Logan Intl-KTM Kathmandu Tribhuvan

25h 05m1 stop Doha Hamad Intl

9:35 am - 9:26 pmKTM Kathmandu Tribhuvan-BOS Boston Logan Intl

46h 36m2 stops Doha Hamad Intl Chicago O'Hare Intl

$1,668Qatar Airways

Mon, Sep 28 - Mon, Nov 16

10:00 pm - 4:15 pmBOS Boston Logan Intl-KTM Kathmandu Tribhuvan

32h 30m1 stop Doha Hamad Intl

9:35 am - 9:26 pmKTM Kathmandu Tribhuvan-BOS Boston Logan Intl

46h 36m2 stops Doha Hamad Intl Chicago O'Hare Intl

$1,678Qatar Airways

Mon, Sep 28 - Mon, Nov 16

1:45 am - 9:45 pmBOS Boston Logan Intl-KTM Kathmandu Tribhuvan

34h 15m1 stop Hong Kong Intl

11:00 pm - 11:05 pmKTM Kathmandu Tribhuvan-BOS Boston Logan Intl

33h 50m1 stop Hong Kong Intl

$1,872Cathay Pacific

Wed, Sep 30 - Mon, Oct 19

1:45 am - 9:45 pmBOS Boston Logan Intl-KTM Kathmandu Tribhuvan

34h 15m1 stop Hong Kong Intl

11:00 pm - 11:05 pmKTM Kathmandu Tribhuvan-BOS Boston Logan Intl

33h 50m1 stop Hong Kong Intl

$2,254Cathay Pacific

Wed, Sep 30 - Mon, Oct 19

1:45 am - 9:45 pmBOS Boston Logan Intl-KTM Kathmandu Tribhuvan

34h 15m1 stop Hong Kong Intl

10:55 pm - 10:00 pmKTM Kathmandu Tribhuvan-BOS Boston Logan Intl

33h 50m1 stop Hong Kong Intl

$2,256Cathay Pacific

Sun, Sep 27 - Mon, Nov 16

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Air India flights from Boston to Kathmandu

Our best Air India deals on Boston to Kathmandu flight tickets

Air India

Oct 17

BOS4:11 pmBoston Logan Intl

42h 14m

2 stops

KTM8:10 pmKathmandu Tribhuvan

Nov 12

KTM6:30 amKathmandu Tribhuvan

38h 31m

2 stops

BOS10:16 amBoston Logan Intl

$1,237

Air India

Feb 22

BOS6:30 amBoston Logan Intl

27h 25m

2 stops

KTM8:40 pmKathmandu Tribhuvan

May 5

KTM6:30 amKathmandu Tribhuvan

44h 09m

2 stops

BOS4:54 pmBoston Logan Intl

$1,247

Air India

Jan 25

BOS5:45 amBoston Logan Intl

23h 40m

2 stops

KTM4:10 pmKathmandu Tribhuvan

Apr 28

KTM6:30 amKathmandu Tribhuvan

42h 05m

2 stops

BOS2:50 pmBoston Logan Intl

$1,248

Qatar Airways flights from Boston to Kathmandu

Our best Qatar Airways deals on Boston to Kathmandu flight tickets

Qatar Airways

Oct 4

BOS10:00 pmBoston Logan Intl

30h 30m

1 stop

KTM2:15 pmKathmandu Tribhuvan

Oct 22

KTM7:00 pmKathmandu Tribhuvan

30h 40m

1 stop

BOS3:55 pmBoston Logan Intl

$1,516

Qatar Airways

Oct 7

BOS10:00 pmBoston Logan Intl

25h 05m

1 stop

KTM8:50 amKathmandu Tribhuvan

Nov 12

KTM9:35 amKathmandu Tribhuvan

39h 05m

1 stop

BOS1:55 pmBoston Logan Intl

$1,522

Qatar Airways

Oct 4

BOS10:00 pmBoston Logan Intl

30h 30m

1 stop

KTM2:15 pmKathmandu Tribhuvan

Oct 24

KTM5:30 pmKathmandu Tribhuvan

31h 10m

1 stop

BOS2:55 pmBoston Logan Intl

$1,564

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Fri 10/23

4:25 pm-9:45 am

3 stops31h 35m

Kathmandu Tribhuvan

Sat 11/21

1:55 pm-2:10 pm

3 stops35h 00m

$1,233

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Wed 10/21

4:25 pm-9:50 am

3 stops31h 40m

Kathmandu Tribhuvan

Thu 11/19

1:55 pm-2:10 pm

3 stops35h 00m

$1,233

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Sat 10/17

4:11 pm-8:10 pm

2 stops42h 14m

Kathmandu Tribhuvan

Thu 11/12

6:30 am-10:16 am

2 stops38h 31m

$1,237

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Mon 10/26

7:10 am-8:40 pm

2 stops27h 45m

Kathmandu Tribhuvan

Mon 11/2

5:10 pm-10:41 am

2 stops28h 16m

$1,243

Quickest round-trip

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Mon 1/25

8:40 pm-8:20 am

1 stop24h 55m

Kathmandu Tribhuvan

Wed 4/28

6:00 pm-3:15 pm

1 stop31h 00m

$1,453

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Mon 10/12

10:00 pm-8:50 am

1 stop25h 05m

Kathmandu Tribhuvan

Thu 11/12

9:35 am-1:55 pm

1 stop39h 05m

$1,453

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Wed 1/6

10:10 pm-11:30 pm

1 stop38h 35m

Kathmandu Tribhuvan

Thu 2/18

9:20 am-1:55 pm

1 stop39h 20m

$1,491

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Wed 1/6

10:10 pm-8:20 am

1 stop23h 25m

Kathmandu Tribhuvan

Thu 2/11

9:20 am-1:55 pm

1 stop39h 20m

$1,491

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Tue 11/10

8:00 pm-11:20 am

1 stop28h 35m

Kathmandu Tribhuvan

Tue 11/17

12:45 pm-6:05 pm

1 stop40h 05m

$1,537

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Sun 11/22

8:00 pm-11:20 am

1 stop28h 35m

Kathmandu Tribhuvan

Wed 12/23

12:45 pm-6:05 pm

1 stop40h 05m

$1,537

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?

Prices are currently low for flights on this route.

Typical prices usually range from $1,453 to $1,687.
The lowest price recently found on this route was $1,233.

What is the cheapest month to fly to Kathmandu?

The month of November is another great option to travel to Kathmandu, with average flight prices from Boston averaging around $1,421.

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 $1,573 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 $1,323 on momondo.

Can stopping save me money on Boston to Kathmandu flights?

You could potentially save up to 1% on your flight if you consider stops on a Boston to Kathmandu flight.

How have Boston to Kathmandu flight prices changed over time?

As of September 2026, prices for Boston to Kathmandu flights are approximately 26% 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

Best Price Found	$537
Fastest flight time	27h 30m
Direct flights	None

The best one-way flight to Kathmandu from Boston in the past 72 hours is $537. The best round-trip flight deal from Boston to Kathmandu found on momondo in the last 72 hours is $1,233.

The fastest flight from Boston to Kathmandu takes 27h 30m

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. 27h 30m 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 September 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 46% of all bookings. The subsequent popular airlines are Emirates at 28%, Turkish Airlines at 8%, and Cathay Pacific at 6%.

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 $822	Free Cancellation	Rating 7.6 1,497 reviews	Search Cathay Pacific flights
IndiGo	PriceFrom $927	Free Cancellation	Rating 6.8 582 reviews	Search IndiGo flights
Air India	PriceFrom $1,032	Free Cancellation	Rating 5.5 2,918 reviews	Search Air India flights
Emirates	PriceFrom $1,129	Free Cancellation	Rating 8.1 3,669 reviews	Search Emirates flights
Turkish Airlines	PriceFrom $1,186	Free Cancellation	Rating 7.4 4,459 reviews	Search Turkish Airlines flights
Qatar Airways	PriceFrom $1,277	Free Cancellation	Rating 7.4 3,726 reviews	Search Qatar Airways flights
SWISS	PriceFrom $1,595	Free Cancellation	Rating 7.5 2,083 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

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Cheap flights from Boston to Kathmandu from $537

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 10/28. 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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Air India flights from Boston to Kathmandu

Our best Air India 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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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?

Can stopping save me money on Boston to Kathmandu flights?

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

Best Price Found

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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According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year