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Cheap flights from Boston to Kathmandu from C$ 1,229

BOS — KTM
13 Nov — 20 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Boston to Kathmandu

Enter your travel dates to find the best prices.

Cheapest flights from Boston to Kathmandu

Wed 11/118:40 p.m. -
1 stop31h 10m
Thu 19/115:30 p.m. -
1 stop31h 10m
Deal found 13/10C$ 2,249
Mon 9/118:40 p.m. -
1 stop31h 10m
Sun 15/113:50 p.m. -
1 stop32h 50m
Deal found 13/10C$ 2,313
Sun 29/118:40 p.m. -
1 stop31h 10m
Tue 8/125:30 p.m. -
1 stop31h 10m
Deal found 13/10C$ 2,351
Mon 23/118:00 p.m. -
1 stop28h 35m
Thu 3/1212:45 p.m. -
1 stop40h 05m
Deal found 13/10C$ 2,377
Mon 26/101:30 a.m. -
1 stop34h 15m
Tue 6/411:00 p.m. -
1 stop33h 50m
Deal found 10/10C$ 2,381
Sun 8/118:40 p.m. -
1 stop31h 10m
Sat 14/113:50 p.m. -
1 stop32h 50m
Deal found 13/10C$ 2,420
Sat 28/118:00 p.m. -
1 stop28h 35m
Wed 2/1212:45 p.m. -
1 stop40h 05m
Deal found 13/10C$ 2,434
Thu 5/115:30 p.m. -
2 stops34h 20m
Thu 19/115:30 p.m. -
1 stop31h 10m
Deal found 13/10C$ 2,441
Sun 22/118:00 p.m. -
1 stop28h 35m
Thu 3/1212:45 p.m. -
1 stop40h 05m
Deal found 13/10C$ 2,448
Thu 26/1112:30 a.m. -
1 stop34h 15m
Mon 7/1210:45 p.m. -
1 stop34h 00m
Deal found 13/10C$ 2,453
Tue 27/101:10 p.m. -
2 stops39h 40m
Mon 5/46:00 p.m. -
1 stop31h 00m
Deal found 10/10C$ 2,455

Find flight deals from Boston to Kathmandu

Round-trip from

C$ 1,947

One-way from

C$ 1,229

Popular in

July

Cheapest in

November

Average price

C$ 2,233
Turkish Airlines
  • Turkish Airlines
  • 7/2-11/2
  • 2 total stops
  • 68h 40m total
  • Boston to Kathmandu
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Cathay Pacific
  • Cathay Pacific
  • 23/3-31/12
  • 1 total stop
  • 34h 15m total
  • Boston to Kathmandu
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Highest demand for flights based on searches. 11% potential increase in price (C$ 412 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 60 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Boston to Kathmandu that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Wed 30/12

12:30 a.m.-9:30 p.m.

1 stop34h 15m

Kathmandu Tribhuvan

Wed 31/12

12:00 a.m.-1:30 p.m.

Nonstop0h 00m

C$ 1,229

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Wed 24/3

1:30 a.m.-9:30 p.m.

1 stop34h 15m

Kathmandu Tribhuvan

Wed 31/12

12:00 a.m.-1:30 p.m.

Nonstop0h 00m

C$ 1,229

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Fri 19/3

1:30 a.m.-9:30 p.m.

1 stop34h 15m

Kathmandu Tribhuvan

Wed 31/12

12:00 a.m.-1:30 p.m.

Nonstop0h 00m

C$ 1,315

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Sat 6/3

12:30 a.m.-9:30 p.m.

1 stop34h 15m

Kathmandu Tribhuvan

Wed 31/12

12:00 a.m.-1:30 p.m.

Nonstop0h 00m

C$ 1,315

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Fri 29/1

12:30 a.m.-9:30 p.m.

1 stop34h 15m

Kathmandu Tribhuvan

Wed 31/12

12:00 a.m.-1:30 p.m.

Nonstop0h 00m

C$ 1,315

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Tue 2/2

12:30 a.m.-9:30 p.m.

1 stop34h 15m

Kathmandu Tribhuvan

Wed 31/12

12:00 a.m.-1:30 p.m.

Nonstop0h 00m

C$ 1,373
Quickest round-trip

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Wed 6/1

8:40 p.m.-8:20 a.m.

1 stop24h 55m

Kathmandu Tribhuvan

Wed 31/12

12:00 a.m.-1:30 p.m.

Nonstop0h 00m

C$ 1,488

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Fri 19/2

8:00 p.m.-11:20 a.m.

1 stop28h 35m

Kathmandu Tribhuvan

Sat 27/2

12:45 p.m.-6:05 p.m.

1 stop40h 05m

C$ 1,977

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Sun 3/1

10:10 p.m.-8:20 a.m.

1 stop23h 25m

Kathmandu Tribhuvan

Thu 4/2

9:20 a.m.-1:55 p.m.

1 stop39h 20m

C$ 2,161

BostonKathmandu

BOS Boston Logan Intl - KTM Kathmandu Tribhuvan

BOSKTM

Boston Logan Intl

Sun 7/2

10:10 p.m.-6:40 p.m.

1 stop33h 45m

Kathmandu Tribhuvan

Thu 11/2

3:00 p.m.-1:55 p.m.

1 stop33h 40m

C$ 2,161

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 20 resultsSorted by cheapest first
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Best time to book a flight from Boston to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Boston with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Boston to Kathmandu

How far ahead should I book a flight from Boston to Kathmandu?

Booking 16 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Kathmandu. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Boston to Kathmandu?

Currently, November is the cheapest month in which you can book a flight from Boston to Kathmandu (average of C$ 1,945). Flying from Boston to Kathmandu in July is currently the most expensive (average of C$ 2,695). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Boston to Kathmandu?

Airfare is below average for this route at the moment.

Boston to Kathmandu flights typically cost between C$ 2,081 and C$ 2,430 in February.
The cheapest round-trip price found within the last 5 days was C$ 1,947 on Turkish Airlines (7 Feb-11 Feb).

Related info for your journey

  • How long is the flight from Boston to Kathmandu?

    There are many flights that can get you from Boston to Kathmandu in 28h 35m. Fly via Turkish Airlines or Emirates to get the fastest option. The distance from Boston to Kathmandu is about 11848 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Boston to Kathmandu that include hotel bookings?

    Yes. In addition to deals on Boston to Kathmandu flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Kathmandu?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Kathmandu.

  • Can I find deals for business class flights from Boston to Kathmandu?

    Yes. Cheapflights offers flight deals from Boston to Kathmandu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Kathmandu?

    Currently, November is the cheapest month in which you can book a flight from Boston to Kathmandu (average of C$ 1,945). Flying from Boston to Kathmandu in July is currently the most expensive (average of C$ 2,695). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Kathmandu?

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

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Kathmandu Tribhuvan Airport car rentals

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Why should you use Cheapflights to find cheap flight tickets from Boston to Kathmandu?

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Cheapflights does show flights with no change fees to all users. To see these options for flights from Boston to Kathmandu, users can toggle the no change fees filter when performing a flight search.

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