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Cheap flights from Kathmandu to Boston from $518

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 11/20. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:10 pm - 6:05 pmKTM-BOS
35h 40m2 stops
Multiple Airlines Logo
4:40 pm - 12:15 amBOS-KTM
21h 50m2 stops
$966Multiple Airlines
Find Deal
Sun, Jan 25 - Wed, Mar 25
Multiple Airlines Logo
5:30 pm - 6:05 pmKTM-BOS
35h 20m3 stops
Multiple Airlines Logo
4:40 pm - 12:15 amBOS-KTM
21h 50m2 stops
$983Multiple Airlines
Find Deal
Sun, Jan 25 - Wed, Mar 25
IndiGo Logo
2:30 pm - 7:05 pmKTM-BOS
38h 20m2 stops
IndiGo Logo
9:00 pm - 12:15 pmBOS-KTM
29h 30m2 stops
$1,190IndiGo
Find Deal
Tue, Mar 17 - Tue, Mar 24
Turkish Airlines Logo
7:30 am - 7:55 pmKTM-BOS
22h 10m1 stop
Turkish Airlines Logo
9:50 pm - 6:05 amBOS-KTM
22h 30m1 stop
$1,224Turkish Airlines
Find Deal
Sun, Apr 5 - Fri, May 1
Cathay Pacific Logo
10:55 pm - 10:00 pmKTM-BOS
33h 50m1 stop
Cathay Pacific Logo
1:30 am - 9:30 pmBOS-KTM
34h 15m1 stop
$1,235Cathay Pacific
Find Deal
Sun, Jan 25 - Tue, Mar 24
Cathay Pacific Logo
10:55 pm - 10:00 pmKTM-BOS
33h 50m1 stop
Cathay Pacific Logo
1:40 am - 9:45 pmBOS-KTM
34h 20m1 stop
$1,238Cathay Pacific
Find Deal
Wed, Feb 11 - Wed, Jul 8
Turkish Airlines Logo
12:35 pm - 6:05 pmKTM-BOS
40h 15m1 stop
Turkish Airlines Logo
9:50 pm - 6:05 amBOS-KTM
22h 30m1 stop
$1,276Turkish Airlines
Find Deal
Tue, Dec 23 - Fri, Jun 12
Emirates Logo
12:30 am - 1:55 pmKTM-BOS
24h 10m1 stop
Emirates Logo
10:10 pm - 8:20 amBOS-KTM
23h 25m1 stop
$1,458Emirates
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Wed, Feb 4 - Thu, Feb 5
Emirates Logo
9:20 am - 1:55 pmKTM-BOS
39h 20m1 stop
Emirates Logo
11:05 pm - 2:35 pmBOS-KTM
29h 45m1 stop
$1,459Emirates
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Wed, Dec 24 - Thu, Jun 11
IndiGo Logo
1:15 pm - 6:05 pmKTM-BOS
39h 35m2 stops
IndiGo Logo
8:00 pm - 12:15 pmBOS-KTM
29h 30m2 stops
$1,541IndiGo
Find Deal
Sun, Nov 23 - Sun, Dec 14

IndiGo flights from Kathmandu to Boston

Our best IndiGo deals on Kathmandu to Boston flight tickets
IndiGo
Mar 17
KTM2:30 pmKathmandu Tribhuvan
38h 20m
2 stops
BOS7:05 pmBoston Logan Intl
Mar 24
BOS9:00 pmBoston Logan Intl
29h 30m
2 stops
KTM12:15 pmKathmandu Tribhuvan
$1,190
Find similar
IndiGo
Nov 23
KTM1:15 pmKathmandu Tribhuvan
39h 35m
2 stops
BOS6:05 pmBoston Logan Intl
Dec 14
BOS8:00 pmBoston Logan Intl
29h 30m
2 stops
KTM12:15 pmKathmandu Tribhuvan
$1,541
Find similar

Turkish Airlines flights from Kathmandu to Boston

Our best Turkish Airlines deals on Kathmandu to Boston flight tickets
Turkish Airlines
Apr 5
KTM7:30 amKathmandu Tribhuvan
22h 10m
1 stop
BOS7:55 pmBoston Logan Intl
May 1
BOS9:50 pmBoston Logan Intl
22h 30m
1 stop
KTM6:05 amKathmandu Tribhuvan
$1,224
Find similar
Turkish Airlines
Dec 23
KTM12:35 pmKathmandu Tribhuvan
40h 15m
1 stop
BOS6:05 pmBoston Logan Intl
Jun 12
BOS9:50 pmBoston Logan Intl
22h 30m
1 stop
KTM6:05 amKathmandu Tribhuvan
$1,276
Find similar
Turkish Airlines
Dec 22
KTM12:35 pmKathmandu Tribhuvan
40h 15m
1 stop
BOS6:05 pmBoston Logan Intl
Jun 12
BOS9:50 pmBoston Logan Intl
22h 30m
1 stop
KTM6:05 amKathmandu Tribhuvan
$1,278
Find similar

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 November 3, 2025.
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

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Sun 1/25

5:10 pm-6:05 pm

2 stops35h 40m

Boston Logan Intl

Wed 3/25

4:40 pm-12:15 am

2 stops21h 50m

$966

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Sun 1/25

5:30 pm-6:05 pm

3 stops35h 20m

Boston Logan Intl

Wed 3/25

4:40 pm-12:15 am

2 stops21h 50m

$983

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Tue 3/17

2:30 pm-7:05 pm

2 stops38h 20m

Boston Logan Intl

Tue 3/24

9:00 pm-12:15 pm

2 stops29h 30m

$1,190

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Sun 4/5

7:30 am-7:55 pm

1 stop22h 10m

Boston Logan Intl

Fri 5/1

9:50 pm-6:05 am

1 stop22h 30m

$1,224

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Sun 1/25

10:55 pm-10:00 pm

1 stop33h 50m

Boston Logan Intl

Tue 3/24

1:30 am-9:30 pm

1 stop34h 15m

$1,235

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Wed 2/11

10:55 pm-10:00 pm

1 stop33h 50m

Boston Logan Intl

Wed 7/8

1:40 am-9:45 pm

1 stop34h 20m

$1,238

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Tue 12/23

12:35 pm-6:05 pm

1 stop40h 15m

Boston Logan Intl

Fri 6/12

9:50 pm-6:05 am

1 stop22h 30m

$1,276

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Wed 2/4

12:30 am-1:55 pm

1 stop24h 10m

Boston Logan Intl

Thu 2/5

10:10 pm-8:20 am

1 stop23h 25m

$1,458

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Wed 12/24

9:20 am-1:55 pm

1 stop39h 20m

Boston Logan Intl

Thu 6/11

11:05 pm-2:35 pm

1 stop29h 45m

$1,459

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Sun 11/23

1:15 pm-6:05 pm

2 stops39h 35m

Boston Logan Intl

Sun 12/14

8:00 pm-12:15 pm

2 stops29h 30m

$1,541

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 cheapest day to depart on your flight to Boston?

The cheapest day to depart from Kathmandu to Boston is on a Saturday when prices can be found for as low as $1,307. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Friday is $1,608.

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

According to our data, the cheapest time of day to fly to Boston is in the morning. momondo users have found flights departing from Kathmandu to Boston in the morning for as low as $1,382. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Boston, so prices are often more expensive at around $1,607 per ticket.

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

You are more likely to see cheaper flights to Boston from Kathmandu when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $1,527 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Kathmandu for as low as $838 on momondo.

Can stopping save me money on Kathmandu to Boston flights?

You could potentially save up to 25% 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 November 2025, prices for Kathmandu to Boston flights are approximately 17% more expensive 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

Direct flights

None
There are no direct flights from Kathmandu to Boston. There are no popular flight routes from Kathmandu to Boston.
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  • 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 22h 10m.

  • 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 $917Free CancellationRating
8.1
3,400 reviews
Search Emirates flights
IndiGoPriceFrom $973Free CancellationRating
6.9
494 reviews
Search IndiGo flights
Turkish AirlinesPriceFrom $1,179Free CancellationRating
7.3
4,039 reviews
Search Turkish Airlines flights
Cathay PacificPriceFrom $1,209Free CancellationRating
7.6
1,048 reviews
Search Cathay Pacific flights
Qatar AirwaysPriceFrom $1,274Free CancellationRating
7.4
3,659 reviews
Search Qatar Airways 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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