$530+ Cheap flights from Boston (BOS) to Kathmandu (KTM)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KTM
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Kathmandu with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boston to Kathmandu
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Best
Last-minute
One-way
Cheapest flights from Boston to KathmanduExplore the most affordable flight options available from Boston to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from Boston to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This Trip.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:25 pm -
3 stops36h 00m
Sat 10/242:05 pm -
2 stops58h 50m
Deal found 9/10![Multiple Airlines logo]()
$1,218
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:45 am -
2 stops25h 10m
Thu 12/102:55 pm -
2 stops33h 38m
Deal found 9/10![Multiple Airlines logo]()
$1,221
This KAYAK deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:10 pm -
2 stops51h 45m
Thu 12/108:00 am -
2 stops40h 40m
Deal found 9/13![Multiple Airlines logo]()
$1,225
This BusinessClass deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:10 pm -
1 stop24h 45m
Thu 12/108:00 am -
2 stops40h 40m
Deal found 9/10![Multiple Airlines logo]()
$1,227
This oojo deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:10 am -
2 stops27h 45m
Mon 11/25:10 pm -
2 stops28h 16m
Deal found 9/10![Air India logo]()
$1,228
This KAYAK deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:10 pm -
1 stop24h 45m
Sun 12/131:45 pm -
2 stops34h 55m
Deal found 9/12![Multiple Airlines logo]()
$1,231
This Trip.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:10 pm -
2 stops34h 55m
Fri 12/111:55 pm -
2 stops34h 45m
Deal found 9/10![Multiple Airlines logo]()
$1,232
This FlightHub deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:10 am -
2 stops27h 45m
Mon 11/22:55 pm -
2 stops30h 31m
Deal found 9/11![Multiple Airlines logo]()
$1,234
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:45 am -
2 stops23h 40m
Wed 3/319:40 pm -
2 stops29h 23m
Deal found 9/10![Multiple Airlines logo]()
$1,237
This oojo deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:55 am -
2 stops27h 30m
Mon 10/2610:05 am -
2 stops40h 39m
Deal found 9/10![Air India logo]()
$1,241
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:25 pm -
3 stops31h 40m
Sat 10/312:55 pm -
3 stops34h 00m
Deal found 9/14![Multiple Airlines logo]()
$1,244
This Trip.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:40 pm -
3 stops57h 25m
Wed 2/241:45 pm -
2 stops35h 10m
Deal found 9/11![Multiple Airlines logo]()
$1,246
Best flights from Boston to KathmanduDiscover carefully curated flight deals from Boston to Kathmandu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from Boston to Kathmandu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This Emirates deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/710:10 pm -
1 stop33h 45m
Thu 2/113:00 pm -
1 stop33h 40m
Deal found 9/14![Emirates logo]()
$1,517
This Singapore Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/711:30 am -
3 stops47h 35m
Thu 2/1110:55 pm -
3 stops55h 53m
Deal found 9/14![Singapore Airlines logo]()
$1,746
This Qatar Airways deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:00 pm -
1 stop34h 00m
Tue 11/1711:05 am -
2 stops41h 36m
Deal found 9/13![Qatar Airways logo]()
$1,793
This Cathay Pacific deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:30 am -
1 stop34h 15m
Sun 11/1510:55 pm -
1 stop33h 50m
Deal found 9/10![Cathay Pacific logo]()
$2,129
This Emirates deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2110:10 pm -
1 stop29h 05m
Thu 4/13:35 pm -
1 stop32h 20m
Deal found 9/10![Emirates logo]()
$1,567
This Emirates deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2510:10 pm -
1 stop29h 05m
Sun 5/23:35 pm -
1 stop32h 20m
Deal found 9/14![Emirates logo]()
$1,623
This Qatar Airways deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:09 am -
2 stops23h 36m
Sun 11/1511:05 am -
1 stop37h 35m
Deal found 9/10![Qatar Airways logo]()
$1,866
This Justfly.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/307:30 am -
3 stops51h 35m
Sat 1/1610:55 pm -
3 stops51h 31m
Deal found 9/10![Singapore Airlines logo]()
$1,918
This Qatar Airways deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:15 pm -
2 stops38h 45m
Sun 11/159:35 am -
1 stop39h 05m
Deal found 9/13![Qatar Airways logo]()
$2,077
This Qatar Airways deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:10 pm -
2 stops32h 20m
Wed 11/1811:05 am -
2 stops41h 36m
Deal found 9/13![Qatar Airways logo]()
$2,131
This Qatar Airways deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:29 pm -
2 stops58h 31m
Mon 11/165:40 pm -
2 stops35h 01m
Deal found 9/10![Qatar Airways logo]()
$2,209
Last-minute flights from Boston to KathmanduDiscover last-minute flight deals from Boston to Kathmandu. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Kathmandu. Data last updated September 15, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:25 pm -
3 stops36h 00m
Sat 10/242:05 pm -
2 stops58h 50m
Deal found 9/10![Multiple Airlines logo]()
$1,218
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:25 pm -
3 stops31h 40m
Sat 10/312:55 pm -
3 stops34h 00m
Deal found 9/14![Multiple Airlines logo]()
$1,244
This oojo deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:55 am -
2 stops27h 30m
Mon 10/2610:05 am -
2 stops40h 39m
Deal found 9/10![Air India logo]()
$1,241
This Mytrip deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/129:15 pm -
3 stops31h 10m
Mon 10/198:50 pm -
2 stops27h 35m
Deal found 9/12![Multiple Airlines logo]()
$1,257
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:25 pm -
3 stops35h 00m
Mon 11/92:45 pm -
3 stops34h 10m
Deal found 9/14![Multiple Airlines logo]()
$1,249
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:45 am -
2 stops25h 10m
Thu 12/102:55 pm -
2 stops33h 38m
Deal found 9/10![Multiple Airlines logo]()
$1,221
This oojo deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:10 am -
2 stops27h 45m
Mon 11/25:10 pm -
2 stops28h 16m
Deal found 9/10![Air India logo]()
$1,228
This FlightHub deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:10 am -
2 stops27h 45m
Mon 11/22:55 pm -
2 stops30h 31m
Deal found 9/11![Multiple Airlines logo]()
$1,234
This Trip.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:40 pm -
3 stops57h 25m
Wed 2/241:45 pm -
2 stops35h 10m
Deal found 9/11![Multiple Airlines logo]()
$1,246
This oojo deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:10 am -
2 stops27h 45m
Tue 11/36:30 am -
2 stops38h 56m
Deal found 9/11![Air India logo]()
$1,247
This FlightHub deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:45 am -
2 stops25h 10m
Tue 2/232:55 pm -
2 stops31h 07m
Deal found 9/11![Multiple Airlines logo]()
$1,252
One-way flights from Boston to KathmanduSearch for one-way flight options from Boston to Kathmandu. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from Boston to Kathmandu. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Mytrip deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:25 pm -
3 stops31h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$530
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/204:40 pm -
2 stops21h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$537
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:40 pm -
2 stops45h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$539
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:35 pm -
2 stops39h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$547
This Mytrip deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/264:25 pm -
3 stops28h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$557
This oojo deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:25 pm -
2 stops21h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$604
This Mytrip deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:40 pm -
3 stops32h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$625
Find flight deals from Boston to Kathmandu
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Kathmandu (KTM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,218 (Trip.com) |
One-way from | $530 (Mytrip) |
Popular in | June |
Cheapest in | November |
Average price | $1,553 |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated September 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
Cheapest round-trip
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Wed 9/23
4:35 pm-6:10 pm
2 stops39h 50m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$547
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Sat 9/26
4:25 pm-6:35 am
3 stops28h 25m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$557
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Tue 10/27
4:40 pm-12:55 pm
2 stops34h 30m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$636
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Wed 9/30
4:25 pm-9:50 am
3 stops31h 40m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$637
Quickest round-trip
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Wed 11/25
8:00 pm-9:45 am
2 stops27h 00m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$651
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Wed 10/7
4:25 pm-2:10 pm
3 stops36h 00m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$653
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Tue 11/3
7:35 pm-6:30 am
3 stops48h 10m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$661
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Thu 11/26
7:55 am-9:30 pm
2 stops50h 50m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$678
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Sat 11/28
9:30 pm-11:50 am
2 stops27h 35m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$697
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Tue 10/13
9:15 pm-2:10 pm
3 stops31h 10m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$704
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Boston to Kathmandu
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Kathmandu in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Kathmandu flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Kathmandu flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Kathmandu flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Kathmandu flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Kathmandu flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
BOS-KTM
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Boston to Kathmandu
Prices
More
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 $1,299). Flying from Boston to Kathmandu in June is currently the most expensive (average of $1,900). 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 typical for this route at the moment.
Boston to Kathmandu flights typically cost between $1,215 and $1,601 in September.The cheapest round-trip price found within the last 5 days was $1,218 on Multiple Airlines (Sep 25-Oct 24).
What’s the top layover airport for flights from Boston to Kathmandu?
Share of 1-stop round-trip flights from Boston to Kathmandu chosen by Cheapflights users in the past 12 months, using the same layover each way.
Doha (DOH) – chosen by Cheapflights users on 65% of 1-stop itineraries from Boston to Kathmandu on Cheapflights.
What’s the cheapest layover airport for flights from Boston to Kathmandu?
Average round-trip fare for 1-stop flights from Boston to Kathmandu, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Hong Kong (HKG) is the most affordable 1-stop option, with an average round-trip price of $1,410.
What’s the fastest layover option from Boston to Kathmandu?
Shortest average travel time for 1-stop one-way flights from Boston to Kathmandu, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Istanbul (IST) have the shortest average one-way travel time for 1-stop routes: 23h 00m.
Which airport typically offers the quickest layover for flights from Boston to Kathmandu?
Average layover duration for 1-stop one-way flights from Boston to Kathmandu, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Istanbul (IST) offer the fastest connection on this route, with an average layover time of 4h 55m.
Reviews of airlines servicing Kathmandu
Get insights into the airlines that provide service to Kathmandu. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kathmandu. Reviews last updated September 15, 2026.
Get a feel of what it's like to fly with Emirates,Cathay Pacific, andQatar Airways from Boston to Kathmandu by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.1
Crew
8.4
Comfort
8.0
Entertainment
8.2
Food
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Overall
8.1
Crew
8.4
Comfort
8.0
Entertainment
8.2
Food
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Overall
8.1
Crew
8.4
Comfort
8.0
Entertainment
8.2
Food
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Overall
8.1
Crew
8.4
Comfort
8.0
Entertainment
8.2
Food
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Overall
8.1
Crew
8.4
Comfort
8.0
Entertainment
8.2
Food
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Overall
8.1
Crew
8.4
Comfort
8.0
Entertainment
8.2
Food
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Related info for your journey
Find useful and relevant information for your journey from Boston to Kathmandu. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Top 7 airlines flying from Boston to Kathmandu
Discover the top 7 airlines that operate flights from Boston to Kathmandu. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$822 | Average$2,232 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$927 | Average$1,088 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,032 | Average$1,458 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,129 | Average$1,573 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,186 | Average$1,370 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,298 | Average$1,512 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,595 | Average$1,655 | FlexibilityNo cancel fee | On-time79% |