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Cheap flights from Kathmandu to Boston from $519

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 5/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Kathmandu to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:45 pm - 1:55 pm
KTM
-
BOS
34h 55m2 stops
Multiple Airlines Logo
8:00 pm - 9:50 am
BOS
-
KTM
27h 05m2 stops
$1,124Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
5:30 pm - 6:05 pm
KTM
-
BOS
35h 20m3 stops
Multiple Airlines Logo
8:00 pm - 9:50 am
BOS
-
KTM
27h 05m2 stops
$1,145Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
11:15 pm - 1:55 pm
KTM
-
BOS
25h 25m1 stop
Multiple Airlines Logo
8:00 pm - 9:50 am
BOS
-
KTM
27h 05m2 stops
$1,163Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
5:30 pm - 1:55 pm
KTM
-
BOS
31h 10m3 stops
Multiple Airlines Logo
3:40 pm - 6:35 am
BOS
-
KTM
28h 10m3 stops
$1,199Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
11:30 pm - 2:10 pm
KTM
-
BOS
24h 25m1 stop
Multiple Airlines Logo
11:05 pm - 9:45 am
BOS
-
KTM
24h 55m1 stop
$1,212Multiple Airlines
Mon, Apr 20 - Sat, Jun 6
Multiple Airlines Logo
1:25 pm - 2:10 pm
KTM
-
BOS
34h 30m2 stops
Multiple Airlines Logo
11:05 pm - 6:10 pm
BOS
-
KTM
33h 20m2 stops
$1,238Multiple Airlines
Mon, Apr 20 - Sat, Jun 6
Multiple Airlines Logo
11:15 pm - 1:55 pm
KTM
-
BOS
25h 25m1 stop
Multiple Airlines Logo
10:10 pm - 9:40 am
BOS
-
KTM
24h 45m1 stop
$1,262Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
11:30 pm - 2:10 pm
KTM
-
BOS
24h 25m1 stop
Multiple Airlines Logo
11:05 pm - 6:10 pm
BOS
-
KTM
33h 20m2 stops
$1,275Multiple Airlines
Mon, Apr 20 - Sat, Jun 6
Multiple Airlines Logo
11:15 pm - 1:55 pm
KTM
-
BOS
25h 25m1 stop
Multiple Airlines Logo
11:05 pm - 6:10 pm
BOS
-
KTM
33h 20m2 stops
$1,300Multiple Airlines
Wed, Feb 18 - Wed, Jun 24
Cathay Pacific Logo
10:55 pm - 10:00 pm
KTM
-
BOS
33h 50m1 stop
Cathay Pacific Logo
12:30 am - 9:30 pm
BOS
-
KTM
34h 15m1 stop
$1,325Cathay Pacific
Tue, Feb 17 - Wed, Feb 18

Emirates flights from Kathmandu to Boston

Our best Emirates deals on Kathmandu to Boston flight tickets
Emirates
Feb 4
KTM12:30 amKathmandu Tribhuvan
24h 10m
1 stop
BOS1:55 pmBoston Logan Intl
Feb 5
BOS10:10 pmBoston Logan Intl
33h 45m
1 stop
KTM6:40 pmKathmandu Tribhuvan
$1,438
Find similar
Emirates
Dec 26
KTM9:20 amKathmandu Tribhuvan
39h 20m
1 stop
BOS1:55 pmBoston Logan Intl
Dec 27
BOS10:10 pmBoston Logan Intl
23h 25m
1 stop
KTM8:20 amKathmandu Tribhuvan
$1,735
Find similar

Qatar Airways flights from Kathmandu to Boston

Our best Qatar Airways deals on Kathmandu to Boston flight tickets
Qatar Airways
Feb 17
KTM5:40 pmKathmandu Tribhuvan
31h 19m
2 stops
BOS2:14 pmBoston Logan Intl
Feb 19
BOS8:40 pmBoston Logan Intl
24h 30m
1 stop
KTM7:55 amKathmandu Tribhuvan
$1,843
Find similar
Qatar Airways
Feb 17
KTM7:05 pmKathmandu Tribhuvan
35h 05m
2 stops
BOS7:25 pmBoston Logan Intl
Feb 19
BOS2:16 pmBoston Logan Intl
30h 54m
2 stops
KTM7:55 amKathmandu Tribhuvan
$2,023
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 December 18, 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

Fri 1/30

1:45 pm-1:55 pm

2 stops34h 55m

Boston Logan Intl

Fri 2/6

8:00 pm-9:50 am

2 stops27h 05m

$1,124

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Fri 1/30

5:30 pm-6:05 pm

3 stops35h 20m

Boston Logan Intl

Fri 2/6

8:00 pm-9:50 am

2 stops27h 05m

$1,145

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Fri 1/30

11:15 pm-1:55 pm

1 stop25h 25m

Boston Logan Intl

Fri 2/6

8:00 pm-9:50 am

2 stops27h 05m

$1,163

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Fri 1/30

5:30 pm-1:55 pm

3 stops31h 10m

Boston Logan Intl

Fri 2/6

3:40 pm-6:35 am

3 stops28h 10m

$1,199

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Mon 4/20

11:30 pm-2:10 pm

1 stop24h 25m

Boston Logan Intl

Sat 6/6

11:05 pm-9:45 am

1 stop24h 55m

$1,212

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Mon 4/20

1:25 pm-2:10 pm

2 stops34h 30m

Boston Logan Intl

Sat 6/6

11:05 pm-6:10 pm

2 stops33h 20m

$1,238

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Fri 1/30

11:15 pm-1:55 pm

1 stop25h 25m

Boston Logan Intl

Fri 2/6

10:10 pm-9:40 am

1 stop24h 45m

$1,262

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Mon 4/20

11:30 pm-2:10 pm

1 stop24h 25m

Boston Logan Intl

Sat 6/6

11:05 pm-6:10 pm

2 stops33h 20m

$1,275

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Wed 2/18

11:15 pm-1:55 pm

1 stop25h 25m

Boston Logan Intl

Wed 6/24

11:05 pm-6:10 pm

2 stops33h 20m

$1,300

KathmanduBoston

KTM - BOS

KTMBOS

Kathmandu Tribhuvan

Tue 2/17

10:55 pm-10:00 pm

1 stop33h 50m

Boston Logan Intl

Wed 2/18

12:30 am-9:30 pm

1 stop34h 15m

$1,325

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 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 $1,504 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 $804 on momondo.

Can stopping save me money on Kathmandu to Boston flights?

You could potentially save up to 39% 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 December 2025, prices for Kathmandu to Boston flights are approximately 20% 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

Fastest flight time

25h 25m

Direct flights

None
The fastest flight from Kathmandu to Boston takes 25h 25m
There are no direct flights from Kathmandu to Boston. There are no popular flight routes from Kathmandu to Boston.
Search flight deals

  • 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 25h 25m.

  • 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
3,440 reviews
Search Emirates flights
IndiGoPriceFrom $942Free CancellationRating
6.8
510 reviews
Search IndiGo flights
Cathay PacificPriceFrom $1,209Free CancellationRating
7.6
1,095 reviews
Search Cathay Pacific flights
Turkish AirlinesPriceFrom $1,221Free CancellationRating
7.3
4,105 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,274Free CancellationRating
7.4
3,686 reviews
Search Qatar Airways flights

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Plymouth
Kennebunkport
South Yarmouth
Cambridge
Narragansett
Gloucester
Nashua
Falmouth
Laconia
Brockton
Concord
Sturbridge
Everett
Chatham

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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