$455+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KTM
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Kathmandu with Cheapflights
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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
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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 September 10, 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 10, 2026.
This Justfly.com deal was found by Cheapflights users on 9/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:45 am -
2 stops25h 10m
Tue 11/35:10 pm -
2 stops28h 16m
Deal found 9/9![Multiple Airlines logo]()
$1,215
This Mytrip deal was found by Cheapflights users on 9/5. 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 9/124:35 pm -
2 stops21h 45m
Mon 9/142:05 pm -
3 stops33h 50m
Deal found 9/5![Multiple Airlines logo]()
$1,219
This Trip.com deal was found by Cheapflights users on 9/6. 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.
Mon 10/264:40 pm -
2 stops40h 10m
Mon 11/912:50 pm -
3 stops60h 05m
Deal found 9/6![Multiple Airlines logo]()
$1,222
This Mytrip deal was found by Cheapflights users on 9/4. 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 9/234:25 pm -
3 stops31h 40m
Thu 11/122:45 pm -
2 stops34h 10m
Deal found 9/4![Multiple Airlines logo]()
$1,225
This Trip.com deal was found by Cheapflights users on 9/8. 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.
Fri 10/304:40 pm -
3 stops57h 25m
Wed 11/181:40 pm -
3 stops59h 15m
Deal found 9/8![Multiple Airlines logo]()
$1,228
This SmartFares deal was found by Cheapflights users on 9/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1311:05 pm -
2 stops33h 20m
Sun 9/271:25 pm -
2 stops34h 35m
Deal found 9/9![Multiple Airlines logo]()
$1,231
This Trip.com deal was found by Cheapflights users on 9/9. 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.
Wed 10/74:25 pm -
2 stops40h 00m
Mon 12/712:50 pm -
3 stops60h 05m
Deal found 9/9![Multiple Airlines logo]()
$1,235
This FlightHub deal was found by Cheapflights users on 9/9. 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.
Sun 10/258:10 pm -
2 stops38h 45m
Tue 11/35:10 pm -
2 stops32h 35m
Deal found 9/9![Multiple Airlines logo]()
$1,236
This KAYAK deal was found by Cheapflights users on 9/5. 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.
Sun 9/1311:05 pm -
1 stop24h 55m
Mon 9/211:25 pm -
2 stops58h 35m
Deal found 9/5![Multiple Airlines logo]()
$1,238
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1311:05 pm -
1 stop24h 55m
Tue 9/291:25 pm -
2 stops34h 35m
Deal found 9/9![Multiple Airlines logo]()
$1,239
This FlightHub deal was found by Cheapflights users on 9/4. 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.
Sun 12/2710:10 pm -
2 stops57h 40m
Mon 2/11:45 pm -
2 stops58h 55m
Deal found 9/4![Multiple Airlines logo]()
$1,240
This BusinessClass deal was found by Cheapflights users on 9/9. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1311:05 pm -
1 stop24h 55m
Mon 9/281:25 pm -
2 stops58h 35m
Deal found 9/9![Multiple Airlines logo]()
$1,242
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 10, 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 10, 2026.
This oojo deal was found by Cheapflights users on 9/5. 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 10/410:00 pm -
1 stop33h 45m
Sun 10/116:45 pm -
1 stop30h 15m
Deal found 9/5![Qatar Airways logo]()
$1,466
This Trip.com deal was found by Cheapflights users on 9/5. 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 11/133:40 pm -
2 stops31h 20m
Thu 11/191:55 pm -
2 stops35h 00m
Deal found 9/5![Multiple Airlines logo]()
$1,487
This Emirates deal was found by Cheapflights users on 9/7. 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.
Sat 11/710:10 pm -
1 stop33h 45m
Wed 11/117:40 pm -
1 stop29h 00m
Deal found 9/7![Emirates logo]()
$1,862
This Korean Air deal was found by Cheapflights users on 9/9. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:10 am -
1 stop43h 05m
Fri 12/47:25 pm -
1 stop24h 10m
Deal found 9/9![Korean Air logo]()
$2,053
This Mytrip deal was found by Cheapflights users on 9/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/183:40 pm -
3 stops30h 20m
Tue 12/11:40 pm -
2 stops35h 15m
Deal found 9/6![Multiple Airlines logo]()
$1,505
This Qatar Airways deal was found by Cheapflights users on 9/7. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:40 pm -
1 stop34h 05m
Tue 11/106:45 pm -
1 stop29h 55m
Deal found 9/7![Qatar Airways logo]()
$1,595
This FlightHub deal was found by Cheapflights users on 9/6. 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.
Thu 10/86:55 am -
2 stops23h 50m
Wed 11/255:10 pm -
2 stops31h 18m
Deal found 9/6![Multiple Airlines logo]()
$1,511
This Qatar Airways deal was found by Cheapflights users on 9/9. 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.
Tue 10/207:59 am -
2 stops44h 31m
Sun 11/156:45 pm -
1 stop29h 55m
Deal found 9/9![Qatar Airways logo]()
$1,746
This FlightHub deal was found by Cheapflights users on 9/6. 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.
Wed 11/188:40 pm -
1 stop26h 25m
Tue 12/16:45 pm -
1 stop29h 55m
Deal found 9/6![Qatar Airways logo]()
$1,752
This Qatar Airways deal was found by Cheapflights users on 9/7. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:00 pm -
2 stops32h 35m
Tue 11/179:35 am -
1 stop39h 05m
Deal found 9/7![Qatar Airways logo]()
$1,861
This Qatar Airways deal was found by Cheapflights users on 9/7. 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 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
Sat 11/149:35 am -
1 stop39h 05m
Deal found 9/7![Qatar Airways logo]()
$1,867
This Qatar Airways deal was found by Cheapflights users on 9/9. 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.
Fri 10/169:29 pm -
2 stops58h 31m
Thu 11/1911:05 am -
1 stop37h 35m
Deal found 9/9![Qatar Airways logo]()
$1,972
Last-minute flights from Boston to KathmanduDiscover last-minute flight deals from Boston to Kathmandu. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Kathmandu. Data last updated September 10, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/5. 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 9/124:35 pm -
2 stops21h 45m
Mon 9/142:05 pm -
3 stops33h 50m
Deal found 9/5![Multiple Airlines logo]()
$1,219
This SmartFares deal was found by Cheapflights users on 9/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1311:05 pm -
2 stops33h 20m
Sun 9/271:25 pm -
2 stops34h 35m
Deal found 9/9![Multiple Airlines logo]()
$1,231
This KAYAK deal was found by Cheapflights users on 9/5. 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.
Sun 9/1311:05 pm -
1 stop24h 55m
Mon 9/211:25 pm -
2 stops58h 35m
Deal found 9/5![Multiple Airlines logo]()
$1,238
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1311:05 pm -
1 stop24h 55m
Tue 9/291:25 pm -
2 stops34h 35m
Deal found 9/9![Multiple Airlines logo]()
$1,239
This BusinessClass deal was found by Cheapflights users on 9/9. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1311:05 pm -
1 stop24h 55m
Mon 9/281:25 pm -
2 stops58h 35m
Deal found 9/9![Multiple Airlines logo]()
$1,242
This Mytrip deal was found by Cheapflights users on 9/4. 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 9/234:25 pm -
3 stops31h 40m
Thu 11/122:45 pm -
2 stops34h 10m
Deal found 9/4![Multiple Airlines logo]()
$1,225
This Trip.com deal was found by Cheapflights users on 9/9. 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.
Wed 10/74:25 pm -
2 stops40h 00m
Mon 12/712:50 pm -
3 stops60h 05m
Deal found 9/9![Multiple Airlines logo]()
$1,235
This FlightHub deal was found by Cheapflights users on 9/9. 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.
Sun 10/258:10 pm -
2 stops38h 45m
Tue 11/35:10 pm -
2 stops32h 35m
Deal found 9/9![Multiple Airlines logo]()
$1,236
This Justfly.com deal was found by Cheapflights users on 9/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:45 am -
2 stops25h 10m
Tue 11/35:10 pm -
2 stops28h 16m
Deal found 9/9![Multiple Airlines logo]()
$1,215
This Trip.com deal was found by Cheapflights users on 9/6. 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.
Mon 10/264:40 pm -
2 stops40h 10m
Mon 11/912:50 pm -
3 stops60h 05m
Deal found 9/6![Multiple Airlines logo]()
$1,222
This oojo deal was found by Cheapflights users on 9/8. 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 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 11/26:30 am -
2 stops43h 15m
Deal found 9/8![Air India logo]()
$1,245
This Trip.com deal was found by Cheapflights users on 9/8. 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.
Fri 10/304:40 pm -
3 stops57h 25m
Wed 11/181:40 pm -
3 stops59h 15m
Deal found 9/8![Multiple Airlines logo]()
$1,228
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 10, 2026.
Search for one-way flight options from Boston to Kathmandu. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Mytrip deal was found by Cheapflights users on 9/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:40 pm -
2 stops21h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$455
This Mytrip deal was found by Cheapflights users on 9/5. 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 9/134:40 pm -
2 stops21h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$464
This Mytrip deal was found by Cheapflights users on 9/4. 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 9/204:40 pm -
2 stops21h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$475
This Mytrip deal was found by Cheapflights users on 9/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:40 pm -
2 stops21h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$477
This Mytrip deal was found by Cheapflights users on 9/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:25 pm -
2 stops21h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$490
This Mytrip deal was found by Cheapflights users on 9/5. 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.
Tue 9/224:25 pm -
2 stops21h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$497
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/194:40 pm -
2 stops21h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$510
This Mytrip deal was found by Cheapflights users on 9/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:25 pm -
2 stops21h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$516
This Mytrip deal was found by Cheapflights users on 9/4. 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 9/124:35 pm -
2 stops21h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$522
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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,215 (Justfly.com) |
One-way from | $455 (Mytrip) |
Popular in | June |
Cheapest in | November |
Average price | $1,455 |
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 10, 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
Quickest round-trip
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Wed 9/23
4:25 pm-12:05 am
2 stops21h 55m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$490
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Sat 9/19
4:40 pm-1:05 pm
3 stops34h 40m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$570
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Tue 9/29
4:25 pm-1:05 pm
3 stops34h 55m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$579
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
$639
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Wed 10/21
10:55 pm-10:40 pm
3 stops38h 00m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$681
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Thu 10/22
4:25 pm-10:25 pm
2 stops44h 15m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$705
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
$716
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Fri 10/9
4:25 pm-8:15 pm
2 stops42h 05m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$732
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Mon 9/14
10:00 pm-2:15 pm
1 stop30h 30m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$764
BostonKathmandu
BOS Boston Logan Intl - KTM Kathmandu Tribhuvan
BOSKTM
Boston Logan Intl
Tue 10/6
7:11 am-8:10 pm
2 stops27h 14m
Kathmandu Tribhuvan
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$777
Showing 1-10 of 23 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
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How far ahead should I book a flight from Boston to Kathmandu?
Booking 4 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 $1,894). 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 $1,173 and $1,580 in October.The cheapest round-trip price found within the last 5 days was $1,215 on Multiple Airlines (Oct 26-Nov 3).
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 68% 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 $1,418.
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 10, 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.
Food
7.9
Boarding
8.1
Comfort
8.0
Crew
8.4
Entertainment
8.2
Overall
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Food
7.9
Boarding
8.1
Comfort
8.0
Crew
8.4
Entertainment
8.2
Overall
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Food
7.9
Boarding
8.1
Comfort
8.0
Crew
8.4
Entertainment
8.2
Overall
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Food
7.9
Boarding
8.1
Comfort
8.0
Crew
8.4
Entertainment
8.2
Overall
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Food
7.9
Boarding
8.1
Comfort
8.0
Crew
8.4
Entertainment
8.2
Overall
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Food
7.9
Boarding
8.1
Comfort
8.0
Crew
8.4
Entertainment
8.2
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 September 10, 2026.
Boston and Kathmandu flights
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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 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$807 | Average$2,085 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$927 | Average$1,098 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,017 | Average$1,359 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,032 | Average$1,458 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,129 | Average$1,569 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,298 | Average$1,509 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,595 | Average$1,655 | FlexibilityNo cancel fee | On-time79% |