Cheap flights from Boston to Kathmandu from $597
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 2/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Find the cheapest flights from Boston to Kathmandu
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Air India flights from Boston to Kathmandu
Our best Air India deals on Boston to Kathmandu flight tickets
momondo Fare Finder
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
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Sun 11/29
10:10 pm-9:40 am
1 stop24h 45m
Kathmandu Tribhuvan
Sat 12/19
1:45 pm-1:55 pm
2 stops34h 55m
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Tue 2/16
2:16 pm-8:40 pm
2 stops43h 39m
Kathmandu Tribhuvan
Thu 4/29
9:40 pm-4:54 pm
2 stops28h 59m
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Mon 2/22
8:20 pm-8:40 pm
2 stops37h 35m
Kathmandu Tribhuvan
Wed 5/5
2:55 pm-2:50 pm
2 stops33h 40m
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Sun 1/17
10:10 pm-9:40 am
1 stop24h 45m
Kathmandu Tribhuvan
Sun 1/31
1:45 pm-1:55 pm
2 stops58h 55m
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Mon 1/4
8:40 pm-4:15 pm
1 stop32h 50m
Kathmandu Tribhuvan
Thu 2/11
5:30 pm-1:55 pm
1 stop31h 10m
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Mon 2/22
8:40 pm-8:20 am
1 stop24h 55m
Kathmandu Tribhuvan
Wed 5/5
6:00 pm-3:15 pm
1 stop31h 00m
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Tue 3/9
10:10 pm-2:00 pm
1 stop29h 05m
Kathmandu Tribhuvan
Tue 3/30
7:55 pm-2:10 pm
1 stop28h 00m
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Wed 1/6
10:10 pm-11:30 pm
1 stop38h 35m
Kathmandu Tribhuvan
Thu 2/18
9:20 am-1:55 pm
1 stop39h 20m
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Mon 11/16
12:30 am-9:30 pm
1 stop34h 15m
Kathmandu Tribhuvan
Wed 12/9
10:55 pm-10:00 pm
1 stop33h 50m
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Wed 2/24
12:30 am-9:30 pm
1 stop34h 15m
Kathmandu Tribhuvan
Sun 5/2
11:00 pm-11:05 pm
1 stop33h 50m
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 $1,471 to $1,714.The lowest price recently found on this route was $1,251.
What is the cheapest month to fly to Kathmandu?
The month of November is another great option to travel to Kathmandu, with average flight prices from Boston averaging around $1,421.
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 $1,577 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 $1,328 on momondo.
Can stopping save me money on Boston to Kathmandu flights?
You could potentially save up to 3% 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 October 2026, prices for Boston to Kathmandu flights are approximately 39% cheaper when compared to flights at the same time last year.
Which airport is the most popular layover for flights between Boston and Kathmandu?
Doha (DOH) was the most common stop: 47% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Boston to Kathmandu?
Flights via Istanbul (IST) offer the lowest average round-trip price of $1,336.
Which layover airport has the shortest travel time from Boston to Kathmandu?
Flights connecting via Istanbul (IST) have the shortest average one-way travel time: 23h 11m.
Which layover airport has the shortest connection time from Boston to Kathmandu?
Istanbul (IST) has the shortest average layover time for this route: 6h 27m.
When to book flights from Boston to Kathmandu
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
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. 23h 30m 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?
The number of operators available for flights from Boston Logan Intl Airport to Kathmandu Tribhuvan Airport is 7 as of October 2026.
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?
momondo data reveals that the most frequently booked airline on the route from Boston to Kathmandu is Qatar Airways, representing 50% of all bookings. The subsequent popular airlines are Emirates at 27%, Turkish Airlines at 8%, and Cathay Pacific at 6%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $898 | Free Cancellation | Rating 6.8 579 reviews | |||
| PriceFrom $1,032 | Free Cancellation | Rating 5.5 2,917 reviews | |||
| PriceFrom $1,151 | Free Cancellation | Rating 8.1 3,671 reviews | |||
| PriceFrom $1,186 | Free Cancellation | Rating 7.4 4,455 reviews | |||
| PriceFrom $1,274 | Free Cancellation | Rating 7.3 3,726 reviews | |||
| PriceFrom $1,421 | Free Cancellation | Rating 7.6 1,511 reviews | |||
| PriceFrom $1,598 | Free Cancellation | Rating 7.5 2,094 reviews |
Traveling to a place near Kathmandu?
Book flights to Kathmandu if you plan to visit one of these locationsWhy 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.