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Cheap flights from Boston to Kathmandu from $497

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.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Kathmandu

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:40 pm - 12:05 amBOS  Boston Logan Intl-KTM Kathmandu Tribhuvan
21h 40m2 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl
Multiple Airlines Logo
8:10 am - 2:10 pmKTM  Kathmandu Tribhuvan-BOS Boston Logan Intl
39h 45m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl
$1,052Multiple Airlines
Thu, Sep 10 - Thu, Sep 17
Multiple Airlines Logo
3:40 pm - 6:35 amBOS  Boston Logan Intl-KTM Kathmandu Tribhuvan
28h 10m2 stops Abu Dhabi Zayed Intl New Delhi Indira Gandhi Intl
Multiple Airlines Logo
8:00 am - 2:10 pmKTM  Kathmandu Tribhuvan-BOS Boston Logan Intl
40h 55m2 stops New Delhi Indira Gandhi Intl Abu Dhabi Zayed Intl
$1,053Multiple Airlines
Sun, Nov 15 - Tue, Dec 15
Air India Logo
5:01 am - 6:10 pmBOS  Boston Logan Intl-KTM Kathmandu Tribhuvan
27h 24m2 stops New York John F Kennedy Intl New Delhi Indira Gandhi Intl
Air India Logo
9:10 pm - 2:27 pmKTM  Kathmandu Tribhuvan-BOS Boston Logan Intl
51h 02m3 stops New Delhi Indira Gandhi Intl Rome Fiumicino New York John F Kennedy Intl
$1,188Air India
Sun, Aug 30 - Mon, Sep 14
Air India Logo
5:01 am - 4:30 pmBOS  Boston Logan Intl-KTM Kathmandu Tribhuvan
25h 44m2 stops New York John F Kennedy Intl New Delhi Indira Gandhi Intl
Air India Logo
2:55 pm - 10:45 amKTM  Kathmandu Tribhuvan-BOS Boston Logan Intl
30h 35m2 stops New Delhi Indira Gandhi Intl New York John F Kennedy Intl
$1,205Air India
Tue, Sep 1 - Mon, Nov 30
Qatar Airways Logo
10:00 pm - 8:50 amBOS  Boston Logan Intl-KTM Kathmandu Tribhuvan
25h 05m1 stop Doha Hamad Intl
Qatar Airways Logo
6:45 pm - 3:15 pmKTM  Kathmandu Tribhuvan-BOS Boston Logan Intl
30h 15m1 stop Doha Hamad Intl
$1,440Qatar Airways
Mon, Sep 14 - Tue, Sep 29
Qatar Airways Logo
10:00 pm - 8:50 amBOS  Boston Logan Intl-KTM Kathmandu Tribhuvan
25h 05m1 stop Doha Hamad Intl
Qatar Airways Logo
6:45 pm - 3:15 pmKTM  Kathmandu Tribhuvan-BOS Boston Logan Intl
30h 15m1 stop Doha Hamad Intl
$1,442Qatar Airways
Wed, Sep 9 - Thu, Oct 15
Emirates Logo
11:05 pm - 6:55 pmBOS  Boston Logan Intl-KTM Kathmandu Tribhuvan
34h 05m1 stop Dubai Intl
Emirates Logo
7:55 pm - 2:10 pmKTM  Kathmandu Tribhuvan-BOS Boston Logan Intl
28h 00m1 stop Dubai Intl
$1,508Emirates
Wed, Sep 9 - Wed, Sep 16
Emirates Logo
11:05 pm - 8:05 amBOS  Boston Logan Intl-KTM Kathmandu Tribhuvan
23h 15m1 stop Dubai Intl
Emirates Logo
3:35 pm - 2:10 pmKTM  Kathmandu Tribhuvan-BOS Boston Logan Intl
32h 20m1 stop Dubai Intl
$1,508Emirates
Wed, Sep 9 - Wed, Sep 16
Turkish Airlines Logo
8:00 pm - 11:20 amBOS  Boston Logan Intl-KTM Kathmandu Tribhuvan
28h 35m1 stop Istanbul
Turkish Airlines Logo
12:45 pm - 6:05 pmKTM  Kathmandu Tribhuvan-BOS Boston Logan Intl
40h 05m1 stop Istanbul
$1,573Turkish Airlines
Thu, Nov 26 - Thu, Dec 10
Turkish Airlines Logo
8:00 pm - 11:20 amBOS  Boston Logan Intl-KTM Kathmandu Tribhuvan
28h 35m1 stop Istanbul
Turkish Airlines Logo
12:45 pm - 6:05 pmKTM  Kathmandu Tribhuvan-BOS Boston Logan Intl
40h 05m1 stop Istanbul
$1,575Turkish Airlines
Thu, Nov 26 - Thu, Dec 10

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Air India flights from Boston to Kathmandu

Our best Air India deals on Boston to Kathmandu flight tickets
Air India
Aug 30
BOS5:01 amBoston Logan Intl
27h 24m
2 stops
KTM6:10 pmKathmandu Tribhuvan
Sep 14
KTM9:10 pmKathmandu Tribhuvan
51h 02m
3 stops
BOS2:27 pmBoston Logan Intl
$1,188
Air India
Sep 9
BOS7:11 amBoston Logan Intl
27h 14m
2 stops
KTM8:10 pmKathmandu Tribhuvan
Oct 15
KTM9:10 pmKathmandu Tribhuvan
27h 35m
2 stops
BOS3:00 pmBoston Logan Intl
$1,205
Air India
Sep 9
BOS5:15 amBoston Logan Intl
29h 10m
2 stops
KTM8:10 pmKathmandu Tribhuvan
Oct 15
KTM10:05 amKathmandu Tribhuvan
38h 40m
2 stops
BOS3:00 pmBoston Logan Intl
$1,210

Qatar Airways flights from Boston to Kathmandu

Our best Qatar Airways deals on Boston to Kathmandu flight tickets
Qatar Airways
Aug 26
BOS10:00 pmBoston Logan Intl
25h 05m
1 stop
KTM8:50 amKathmandu Tribhuvan
Sep 10
KTM10:05 amKathmandu Tribhuvan
38h 55m
1 stop
BOS3:15 pmBoston Logan Intl
$1,443
Qatar Airways
Aug 21
BOS10:00 pmBoston Logan Intl
25h 05m
1 stop
KTM8:50 amKathmandu Tribhuvan
Oct 1
KTM6:45 pmKathmandu Tribhuvan
30h 15m
1 stop
BOS3:15 pmBoston Logan Intl
$1,483
Qatar Airways
Aug 28
BOS10:00 pmBoston Logan Intl
25h 05m
1 stop
KTM8:50 amKathmandu Tribhuvan
Sep 12
KTM3:30 pmKathmandu Tribhuvan
33h 30m
1 stop
BOS3:15 pmBoston Logan Intl
$1,528

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Kathmandu 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 August 15, 2026.
Use the filters below to find and compare flights from Boston to Kathmandu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Thu 9/10

4:40 pm-12:05 am

2 stops21h 40m

Kathmandu Tribhuvan

Thu 9/17

8:10 am-2:10 pm

2 stops39h 45m

$1,052

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Sun 11/15

3:40 pm-6:35 am

2 stops28h 10m

Kathmandu Tribhuvan

Tue 12/15

8:00 am-2:10 pm

2 stops40h 55m

$1,053

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Sun 8/30

5:01 am-6:10 pm

2 stops27h 24m

Kathmandu Tribhuvan

Mon 9/14

9:10 pm-2:27 pm

3 stops51h 02m

$1,188

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Tue 9/1

5:01 am-4:30 pm

2 stops25h 44m

Kathmandu Tribhuvan

Mon 11/30

2:55 pm-10:45 am

2 stops30h 35m

$1,205
Quickest round-trip

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Mon 9/14

10:00 pm-8:50 am

1 stop25h 05m

Kathmandu Tribhuvan

Tue 9/29

6:45 pm-3:15 pm

1 stop30h 15m

$1,440

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Wed 9/9

10:00 pm-8:50 am

1 stop25h 05m

Kathmandu Tribhuvan

Thu 10/15

6:45 pm-3:15 pm

1 stop30h 15m

$1,442

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Wed 9/9

11:05 pm-6:55 pm

1 stop34h 05m

Kathmandu Tribhuvan

Wed 9/16

7:55 pm-2:10 pm

1 stop28h 00m

$1,508

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Wed 9/9

11:05 pm-8:05 am

1 stop23h 15m

Kathmandu Tribhuvan

Wed 9/16

3:35 pm-2:10 pm

1 stop32h 20m

$1,508

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Thu 11/26

8:00 pm-11:20 am

1 stop28h 35m

Kathmandu Tribhuvan

Thu 12/10

12:45 pm-6:05 pm

1 stop40h 05m

$1,573

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Thu 11/26

8:00 pm-11:20 am

1 stop28h 35m

Kathmandu Tribhuvan

Thu 12/10

12:45 pm-6:05 pm

1 stop40h 05m

$1,575

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 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 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 $1,427 to $1,602.
The lowest price recently found on this route was $1,052.

What is the cheapest month to fly to Kathmandu?

The month of February is another great option to travel to Kathmandu, with average flight prices from Boston averaging around $1,372.

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 $1,531 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 $1,225 on momondo.

Can stopping save me money on Boston to Kathmandu flights?

You could potentially save up to 38% 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 August 2026, prices for Boston to Kathmandu flights are approximately 38% 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 55m

Direct flights

None
The fastest flight from Boston to Kathmandu takes 21h 55m
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. 21h 55m 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?

  • 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?

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 PacificPriceFrom $751Free CancellationRating
7.6
1,453 reviews
Search Cathay Pacific flights
IndiGoPriceFrom $935Free CancellationRating
6.8
583 reviews
Search IndiGo flights
Air IndiaPriceFrom $997Free CancellationRating
5.5
2,947 reviews
Search Air India flights
Turkish AirlinesPriceFrom $1,068Free CancellationRating
7.4
4,474 reviews
Search Turkish Airlines flights
EmiratesPriceFrom $1,140Free CancellationRating
8.1
3,655 reviews
Search Emirates flights
Qatar AirwaysPriceFrom $1,280Free CancellationRating
7.4
3,739 reviews
Search Qatar Airways flights
SWISSPriceFrom $1,595Free CancellationRating
7.5
2,035 reviews
Search SWISS flights

Traveling to a place near Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
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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.

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Fly your favorite airline to Kathmandu

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Qatar Airways
Emirates
Cathay Pacific
Turkish Airlines
IndiGo
Air India
SWISS