$779+ Cheap flights from Boston (BOS) to Kathmandu (KTM)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KTM
jul 11 — jul 181
Round-trip
1 adult, Economy
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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 juni 11, 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 juni 11, 2026.
This Trip.com deal was found by Cheapflights users on 6/8. 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.
lör 6/135:05 pm
BOS
- KTM
2 stops36h 50m
Multiple Airlines
lör 6/204:40 pm
KTM
- BOS
2 stops30h 45m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,245
This Trip.com deal was found by Cheapflights users on 6/6. 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.
sön 6/145:05 pm
BOS
- KTM
2 stops31h 00m
Multiple Airlines
mån 6/223:10 pm
KTM
- BOS
3 stops32h 15m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,264
This FlightHub deal was found by Cheapflights users on 6/8. 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.
tis 9/158:00 pm
BOS
- KTM
2 stops38h 25m
Multiple Airlines
tis 9/225:30 pm
KTM
- BOS
2 stops30h 55m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,266
This Trip.com deal was found by Cheapflights users on 6/11. 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.
tors 8/274:25 pm
BOS
- KTM
3 stops36h 00m
Multiple Airlines
mån 9/283:10 pm
KTM
- BOS
3 stops33h 15m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,267
This FlightHub deal was found by Cheapflights users on 6/10. 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.
sön 9/1311:05 pm
BOS
- KTM
2 stops33h 20m
Multiple Airlines
tors 9/248:10 am
KTM
- BOS
2 stops39h 45m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,277
This FlightHub deal was found by Cheapflights users on 6/10. 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.
sön 7/267:39 pm
BOS
- KTM
2 stops35h 06m
Multiple Airlines
ons 9/92:40 pm
KTM
- BOS
2 stops33h 45m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,284
This FlightHub deal was found by Cheapflights users on 6/7. 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.
mån 9/216:55 am
BOS
- KTM
2 stops23h 50m
Multiple Airlines
tis 9/229:10 pm
KTM
- BOS
2 stops27h 15m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,285
This KAYAK deal was found by Cheapflights users on 6/8. 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.
mån 8/1011:05 pm
BOS
- KTM
2 stops33h 20m
Multiple Airlines
tors 9/101:25 pm
KTM
- BOS
2 stops34h 30m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,288
This Ovago deal was found by Cheapflights users on 6/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sön 11/810:10 pm
BOS
- KTM
2 stops33h 40m
Multiple Airlines
tis 12/81:45 pm
KTM
- BOS
2 stops34h 55m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,289
This FlightHub deal was found by Cheapflights users on 6/9. 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.
mån 9/78:43 am
BOS
- KTM
2 stops29h 37m
Multiple Airlines
sön 9/209:10 pm
KTM
- BOS
2 stops27h 15m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$1,304
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 juni 11, 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 juni 11, 2026.
This FlightHub deal was found by Cheapflights users on 6/10. 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.
sön 7/267:39 pm
BOS
- KTM
2 stops35h 06m
Multiple Airlines
ons 9/92:40 pm
KTM
- BOS
2 stops33h 45m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,284
This Qatar Airways deal was found by Cheapflights users on 6/8. 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.
tors 9/1710:00 pm
BOS
- KTM
1 stop26h 05m
Qatar Airways
mån 9/216:45 pm
KTM
- BOS
1 stop30h 15m
Qatar Airways
Deal found 6/8![Qatar Airways logo]()
$1,552
This Emirates deal was found by Cheapflights users on 6/7. 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.
mån 9/2111:05 pm
BOS
- KTM
1 stop29h 45m
Emirates
tors 9/243:35 pm
KTM
- BOS
1 stop32h 20m
Emirates
Deal found 6/7![Emirates logo]()
$1,667
This Qatar Airways deal was found by Cheapflights users on 6/9. 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.
tors 10/810:00 pm
BOS
- KTM
1 stop33h 45m
Qatar Airways
tors 10/156:45 pm
KTM
- BOS
1 stop30h 15m
Qatar Airways
Deal found 6/9![Qatar Airways logo]()
$1,555
This Kuwait Airways deal was found by Cheapflights users on 6/7. 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 Kuwait Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 11/1012:03 pm
BOS
- KTM
2 stops24h 12m
Multiple Airlines
mån 11/1612:15 am
KTM
- BOS
2 stops29h 19m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,605
This Qatar Airways deal was found by Cheapflights users on 6/10. 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.
tors 10/110:00 pm
BOS
- KTM
1 stop33h 45m
Qatar Airways
mån 10/56:45 pm
KTM
- BOS
1 stop30h 15m
Qatar Airways
Deal found 6/10![Qatar Airways logo]()
$1,555
This Qatar Airways deal was found by Cheapflights users on 6/9. 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.
fre 10/910:00 pm
BOS
- KTM
1 stop33h 45m
Qatar Airways
mån 10/196:45 pm
KTM
- BOS
1 stop30h 15m
Qatar Airways
Deal found 6/9![Qatar Airways logo]()
$1,595
This Qatar Airways deal was found by Cheapflights users on 6/6. 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.
tors 10/810:00 pm
BOS
- KTM
1 stop33h 45m
Qatar Airways
sön 10/186:45 pm
KTM
- BOS
1 stop30h 15m
Qatar Airways
Deal found 6/6![Qatar Airways logo]()
$1,600
This Qatar Airways deal was found by Cheapflights users on 6/6. 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.
mån 10/1210:00 pm
BOS
- KTM
1 stop33h 45m
Qatar Airways
sön 10/186:45 pm
KTM
- BOS
1 stop30h 15m
Qatar Airways
Deal found 6/6![Qatar Airways logo]()
$1,600
Last-minute flights from Boston to KathmanduDiscover last-minute flight deals from Boston to Kathmandu. Data last updated juni 11, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Kathmandu. Data last updated juni 11, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 6/8. 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.
lör 6/135:05 pm
BOS
- KTM
2 stops36h 50m
Multiple Airlines
lör 6/204:40 pm
KTM
- BOS
2 stops30h 45m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,245
This Trip.com deal was found by Cheapflights users on 6/6. 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.
sön 6/145:05 pm
BOS
- KTM
2 stops31h 00m
Multiple Airlines
mån 6/223:10 pm
KTM
- BOS
3 stops32h 15m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,264
This Trip.com deal was found by Cheapflights users on 6/8. 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.
lör 7/114:25 pm
BOS
- KTM
2 stops40h 00m
Multiple Airlines
lör 7/188:10 am
KTM
- BOS
2 stops40h 15m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,351
This Trip.com deal was found by Cheapflights users on 6/9. 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.
tis 7/214:25 pm
BOS
- KTM
3 stops36h 00m
Multiple Airlines
fre 7/318:50 pm
KTM
- BOS
2 stops51h 35m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$1,335
This FlightHub deal was found by Cheapflights users on 6/6. 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.
ons 7/2211:05 pm
BOS
- KTM
2 stops33h 20m
Multiple Airlines
lör 9/51:25 pm
KTM
- BOS
2 stops34h 30m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,352
This FlightHub deal was found by Cheapflights users on 6/9. 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.
fre 7/2411:05 pm
BOS
- KTM
2 stops33h 20m
Multiple Airlines
mån 9/71:25 pm
KTM
- BOS
2 stops34h 30m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$1,346
This FlightHub deal was found by Cheapflights users on 6/10. 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.
sön 7/267:39 pm
BOS
- KTM
2 stops35h 06m
Multiple Airlines
ons 9/92:40 pm
KTM
- BOS
2 stops33h 45m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,284
This Trip.com deal was found by Cheapflights users on 6/7. 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.
sön 7/264:25 pm
BOS
- KTM
3 stops36h 00m
Multiple Airlines
sön 8/22:05 pm
KTM
- BOS
2 stops34h 20m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,330
This Trip.com deal was found by Cheapflights users on 6/7. 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.
sön 7/264:25 pm
BOS
- KTM
3 stops36h 00m
Multiple Airlines
ons 8/53:10 pm
KTM
- BOS
3 stops57h 15m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,364
This flugladen.de deal was found by Cheapflights users on 6/8. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sön 7/264:25 pm
BOS
- KTM
2 stops21h 55m
Multiple Airlines
tis 8/118:10 am
KTM
- BOS
2 stops39h 45m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,387
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 juni 11, 2026.
Search for one-way flight options from Boston to Kathmandu. Find affordable one-way fares based on user searches. Data last updated juni 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 10/14:25 pm
BOS
- KTM
2 stops41h 40m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$779
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
fre 9/49:50 pm
BOS
- KTM
3 stops30h 05m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$780
This FlightHub deal was found by Cheapflights users on 6/6. 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.
ons 7/225:01 am
BOS
- KTM
2 stops33h 19m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$788
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
tis 7/289:20 pm
BOS
- KTM
3 stops32h 35m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$791
This FlightHub deal was found by Cheapflights users on 6/7. 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.
tors 7/305:01 am
BOS
- KTM
2 stops39h 49m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$794
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
tis 9/810:00 pm
BOS
- KTM
3 stops28h 30m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$798
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
mån 9/710:00 pm
BOS
- KTM
3 stops28h 55m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$799
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sön 7/2610:00 pm
BOS
- KTM
1 stop26h 05m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$803
This Kiwi.com deal was found by Cheapflights users on 6/6. 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.
tis 7/78:05 pm
BOS
- KTM
3 stops30h 25m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$809
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
mån 7/277:39 pm
BOS
- KTM
3 stops55h 26m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$810
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
ons 7/2912:45 pm
BOS
- KTM
3 stops43h 40m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$814
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 juni 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,245 (FlightHub) |
One-way from | $779 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $1,886 |
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 2,558,603 searches. Data last updated juni 11, 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 - KTM
BOSKTM
Boston Logan Intl
sön 7/26
7:39 pm-4:30 pm
2 stops35h 06m
Kathmandu Tribhuvan
ons 9/9
2:40 pm-2:40 pm
2 stops33h 45m
$1,284
BostonKathmandu
BOS - KTM
BOSKTM
Boston Logan Intl
tors 9/17
10:00 pm-9:50 am
1 stop26h 05m
Kathmandu Tribhuvan
mån 9/21
6:45 pm-3:15 pm
1 stop30h 15m
$1,552
BostonKathmandu
BOS - KTM
BOSKTM
Boston Logan Intl
tors 10/8
10:00 pm-5:30 pm
1 stop33h 45m
Kathmandu Tribhuvan
tors 10/15
6:45 pm-3:15 pm
1 stop30h 15m
$1,555
BostonKathmandu
BOS - KTM
BOSKTM
Boston Logan Intl
tors 10/1
10:00 pm-5:30 pm
1 stop33h 45m
Kathmandu Tribhuvan
mån 10/5
6:45 pm-3:15 pm
1 stop30h 15m
$1,555
BostonKathmandu
BOS - KTM
BOSKTM
Boston Logan Intl
fre 10/9
10:00 pm-5:30 pm
1 stop33h 45m
Kathmandu Tribhuvan
mån 10/19
6:45 pm-3:15 pm
1 stop30h 15m
$1,595
BostonKathmandu
BOS - KTM
BOSKTM
Boston Logan Intl
tors 10/8
10:00 pm-5:30 pm
1 stop33h 45m
Kathmandu Tribhuvan
sön 10/18
6:45 pm-3:15 pm
1 stop30h 15m
$1,600
BostonKathmandu
BOS - KTM
BOSKTM
Boston Logan Intl
mån 10/12
10:00 pm-5:30 pm
1 stop33h 45m
Kathmandu Tribhuvan
sön 10/18
6:45 pm-3:15 pm
1 stop30h 15m
$1,600
Quickest round-trip
BostonKathmandu
BOS - KTM
BOSKTM
Boston Logan Intl
tis 11/10
12:03 pm-11:00 pm
2 stops24h 12m
Kathmandu Tribhuvan
mån 11/16
12:15 am-6:49 pm
2 stops29h 19m
$1,605
BostonKathmandu
BOS - KTM
BOSKTM
Boston Logan Intl
mån 9/21
11:05 pm-2:35 pm
1 stop29h 45m
Kathmandu Tribhuvan
tors 9/24
3:35 pm-2:10 pm
1 stop32h 20m
$1,667
Cheapest one-way
BostonKathmandu
BOS - KTM
BOSKTM
Boston Logan Intl
fre 9/4
9:50 pm-1:40 pm
3 stops30h 05m
$780
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 June.
| 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 Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 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
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How far ahead should I book a flight from Boston to Kathmandu?
Booking 68 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 $1,275). Flying from Boston to Kathmandu in June is currently the most expensive (average of $1,886). 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?
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 71% 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.
Doha (DOH) is the most affordable 1-stop option, with an average round-trip price of $1,519.
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: 22h 57m.
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 Dubai (DXB) offer the fastest connection on this route, with an average layover time of 10h 03m.
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 juni 11, 2026.
Get a feel of what it's like to fly with Emirates,Cathay Pacific, andTurkish Airlines 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.
Boarding
8.1
Crew
8.4
Entertainment
8.2
Comfort
8.0
Food
7.9
Overall
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Boarding
8.1
Crew
8.4
Entertainment
8.2
Comfort
8.0
Food
7.9
Overall
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Boarding
8.1
Crew
8.4
Entertainment
8.2
Comfort
8.0
Food
7.9
Overall
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Boarding
8.1
Crew
8.4
Entertainment
8.2
Comfort
8.0
Food
7.9
Overall
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Boarding
8.1
Crew
8.4
Entertainment
8.2
Comfort
8.0
Food
7.9
Overall
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Boarding
8.1
Crew
8.4
Entertainment
8.2
Comfort
8.0
Food
7.9
Overall
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.
Traveling to a place near Kathmandu?
Book flights to Kathmandu if you plan to visit one of these locationsNagarkot
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Other flights to Kathmandu
Explore flights to Kathmandu departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on juni 11, 2026.
Boston and Kathmandu flights
Browse other Boston and Kathmandu flight options. Last updated on juni 11, 2026.
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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 2,558,603 searches. Data last updated juni 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$753 | Average$1,177 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$935 | Average$1,180 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,017 | Average$1,077 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,050 | Average$1,448 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,186 | Average$1,407 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,270 | Average$1,452 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,595 | Average$1,655 | FlexibilityNo cancel fee | On-time79% |