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Cheap flights from Kathmandu to Boston from $617

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kathmandu to Boston departing on 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kathmandu to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:10 am - 2:10 pm
KTM
-
BOS
39h 45m
2 stops
Multiple Airlines Logo
11:05 pm - 12:50 pm
BOS
-
KTM
28h 00m
2 stops
$1,167Multiple Airlines
Thu, Jul 16 - Thu, Jul 23
Multiple Airlines Logo
1:25 pm - 2:10 pm
KTM
-
BOS
58h 30m
2 stops
Multiple Airlines Logo
11:05 pm - 6:10 pm
BOS
-
KTM
57h 20m
2 stops
$1,187Multiple Airlines
Mon, Jul 6 - Tue, Jul 14
Multiple Airlines Logo
1:25 pm - 2:10 pm
KTM
-
BOS
34h 30m
2 stops
Multiple Airlines Logo
11:05 pm - 12:50 pm
BOS
-
KTM
28h 00m
2 stops
$1,189Multiple Airlines
Sun, Jul 19 - Sun, Jul 26
Multiple Airlines Logo
1:25 pm - 2:10 pm
KTM
-
BOS
58h 30m
2 stops
Multiple Airlines Logo
11:05 pm - 9:45 am
BOS
-
KTM
24h 55m
1 stop
$1,221Multiple Airlines
Mon, Jul 6 - Tue, Jul 14
Multiple Airlines Logo
1:25 pm - 2:10 pm
KTM
-
BOS
34h 30m
2 stops
Multiple Airlines Logo
11:05 pm - 9:45 am
BOS
-
KTM
24h 55m
1 stop
$1,224Multiple Airlines
Thu, Jul 16 - Thu, Jul 23
Multiple Airlines Logo
1:25 pm - 2:10 pm
KTM
-
BOS
34h 30m
2 stops
Multiple Airlines Logo
11:05 pm - 6:10 pm
BOS
-
KTM
33h 20m
2 stops
$1,237Multiple Airlines
Wed, Jul 15 - Wed, Jul 22
Multiple Airlines Logo
1:25 pm - 2:10 pm
KTM
-
BOS
58h 30m
2 stops
Multiple Airlines Logo
10:10 pm - 9:40 am
BOS
-
KTM
24h 45m
1 stop
$1,291Multiple Airlines
Tue, Jul 28 - Tue, Nov 17
Multiple Airlines Logo
1:25 pm - 2:10 pm
KTM
-
BOS
58h 30m
2 stops
Multiple Airlines Logo
10:10 pm - 9:40 am
BOS
-
KTM
24h 45m
1 stop
$1,296Multiple Airlines
Tue, Jul 28 - Tue, Nov 17
Multiple Airlines Logo
1:25 pm - 2:10 pm
KTM
-
BOS
58h 30m
2 stops
Multiple Airlines Logo
10:10 pm - 9:40 am
BOS
-
KTM
24h 45m
1 stop
$1,297Multiple Airlines
Tue, Jul 28 - Tue, Nov 17
Multiple Airlines Logo
1:25 pm - 2:10 pm
KTM
-
BOS
58h 30m
2 stops
Multiple Airlines Logo
10:10 pm - 9:40 am
BOS
-
KTM
24h 45m
1 stop
$1,298Multiple Airlines
Tue, Jul 28 - Tue, Nov 17

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Emirates flights from Kathmandu to Boston

Our best Emirates deals on Kathmandu to Boston flight tickets
Emirates
Jun 23
KTM9:05 amKathmandu Tribhuvan
38h 50m
1 stop
BOS2:10 pmBoston Logan Intl
Jul 15
BOS11:05 pmBoston Logan Intl
38h 45m
1 stop
KTM11:35 pmKathmandu Tribhuvan
$1,456
Emirates
Aug 9
KTM9:05 amKathmandu Tribhuvan
38h 50m
1 stop
BOS2:10 pmBoston Logan Intl
Dec 9
BOS10:10 pmBoston Logan Intl
38h 50m
1 stop
KTM11:45 pmKathmandu Tribhuvan
$1,458
Emirates
Aug 8
KTM12:35 amKathmandu Tribhuvan
23h 20m
1 stop
BOS2:10 pmBoston Logan Intl
Dec 9
BOS10:10 pmBoston Logan Intl
38h 50m
1 stop
KTM11:45 pmKathmandu Tribhuvan
$1,461

Qatar Airways flights from Kathmandu to Boston

Our best Qatar Airways deals on Kathmandu to Boston flight tickets
Qatar Airways
Jul 21
KTM3:30 pmKathmandu Tribhuvan
33h 30m
1 stop
BOS3:15 pmBoston Logan Intl
Sep 29
BOS10:00 pmBoston Logan Intl
25h 05m
1 stop
KTM8:50 amKathmandu Tribhuvan
$1,470
Qatar Airways
Jul 21
KTM3:30 pmKathmandu Tribhuvan
33h 30m
1 stop
BOS3:15 pmBoston Logan Intl
Sep 29
BOS10:00 pmBoston Logan Intl
25h 05m
1 stop
KTM8:50 amKathmandu Tribhuvan
$1,472
Qatar Airways
Jun 24
KTM6:00 pmKathmandu Tribhuvan
31h 00m
1 stop
BOS3:15 pmBoston Logan Intl
Jul 15
BOS10:00 pmBoston Logan Intl
30h 30m
1 stop
KTM2:15 pmKathmandu Tribhuvan
$1,501

momondo Fare Finder

 
Customize your flight search to find flights from Kathmandu to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 20, 2026.
Use the filters below to find and compare flights from Kathmandu to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Thu 7/16

8:10 am-2:10 pm

2 stops39h 45m

Boston Logan Intl

Thu 7/23

11:05 pm-12:50 pm

2 stops28h 00m

$1,167

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Mon 7/6

1:25 pm-2:10 pm

2 stops58h 30m

Boston Logan Intl

Tue 7/14

11:05 pm-6:10 pm

2 stops57h 20m

$1,187

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Sun 7/19

1:25 pm-2:10 pm

2 stops34h 30m

Boston Logan Intl

Sun 7/26

11:05 pm-12:50 pm

2 stops28h 00m

$1,189

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Mon 7/6

1:25 pm-2:10 pm

2 stops58h 30m

Boston Logan Intl

Tue 7/14

11:05 pm-9:45 am

1 stop24h 55m

$1,221
Quickest round-trip

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Thu 7/16

1:25 pm-2:10 pm

2 stops34h 30m

Boston Logan Intl

Thu 7/23

11:05 pm-9:45 am

1 stop24h 55m

$1,224

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Wed 7/15

1:25 pm-2:10 pm

2 stops34h 30m

Boston Logan Intl

Wed 7/22

11:05 pm-6:10 pm

2 stops33h 20m

$1,237

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Tue 7/28

1:25 pm-2:10 pm

2 stops58h 30m

Boston Logan Intl

Tue 11/17

10:10 pm-9:40 am

1 stop24h 45m

$1,291

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Tue 7/28

1:25 pm-2:10 pm

2 stops58h 30m

Boston Logan Intl

Tue 11/17

10:10 pm-9:40 am

1 stop24h 45m

$1,296

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Tue 7/28

1:25 pm-2:10 pm

2 stops58h 30m

Boston Logan Intl

Tue 11/17

10:10 pm-9:40 am

1 stop24h 45m

$1,297

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Tue 7/28

1:25 pm-2:10 pm

2 stops58h 30m

Boston Logan Intl

Tue 11/17

10:10 pm-9:40 am

1 stop24h 45m

$1,298

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Boston from

How to get the cheapest flight ticket from Kathmandu to Boston

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 typical price of a round-trip flight between Kathmandu and Boston?

What is the cheapest month to fly to Boston?

In general, December is the cheapest month to fly from Kathmandu to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of December, then book flights to Boston from Kathmandu during August instead. Flights to Boston in August, while not as cheap as those in December, still average around $904.

Can stopping save me money on Kathmandu to Boston flights?

You could potentially save up to 15% on your flight if you consider stops on a Kathmandu to Boston flight.

How have Kathmandu to Boston flight prices changed over time?

As of June 2026, prices for Kathmandu to Boston flights are approximately 7% cheaper when compared to flights at the same time last year.

When to book flights from Kathmandu to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from Kathmandu to Boston according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kathmandu to Boston (KTM to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kathmandu to Boston

Fastest flight time

21h 40m

Direct flights

None
The fastest flight from Kathmandu to Boston takes 21h 40m
There are no direct flights from Kathmandu to Boston. There are no popular flight routes from Kathmandu to Boston.
Search flight deals

Frequently asked questions about flying from Kathmandu to Boston

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

    Boston Logan Intl is 7361.3 mi away from Kathmandu Tribhuvan. In terms of flight time, this usually takes a little over 21h 40m.

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

    Prices for flights from Kathmandu Tribhuvan Airport to Boston Logan Intl Airport were last updated today.

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

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

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The travel and health documents you'll need for your trip to Boston Logan Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boston Logan Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Kathmandu to Boston?

Best airlines flying from Kathmandu to Boston

Compare and see reviews for airlines that fly from Kathmandu to Boston with momondo
Airline
Rating
Free Cancellation
Price
EmiratesPriceFrom $891Free CancellationRating
8.1
3,591 reviews
Search Emirates flights
Qatar AirwaysPriceFrom $1,208Free CancellationRating
7.3
3,727 reviews
Search Qatar Airways flights
Turkish AirlinesPriceFrom $1,221Free CancellationRating
7.4
4,409 reviews
Search Turkish Airlines flights
Cathay PacificPriceFrom $1,240Free CancellationRating
7.6
1,386 reviews
Search Cathay Pacific flights

Traveling to a place near Boston?

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Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Kathmandu to Boston. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Boston from Kathmandu with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Boston from Kathmandu.

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

If you are not ready to book a flight from Kathmandu to Boston now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Boston and let you know when they change.

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