$485+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KTM
May 22 — May 291
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Kathmandu with Cheapflights
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Best
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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 April 22, 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 April 22, 2026.
This Trip.com deal was found by Cheapflights users on 4/21. 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 9/304:25 pm
BOS
- KTM
2 stops37h 30m
Multiple Airlines
Thu 10/152:05 pm
KTM
- BOS
2 stops58h 20m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$1,039
This Trip.com deal was found by Cheapflights users on 4/18. 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.
Tue 5/264:25 pm
BOS
- KTM
2 stops40h 00m
Multiple Airlines
Tue 6/308:10 am
KTM
- BOS
2 stops40h 15m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$1,094
This Trip.com deal was found by Cheapflights users on 4/22. 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 9/164:25 pm
BOS
- KTM
2 stops31h 40m
Multiple Airlines
Wed 9/234:40 pm
KTM
- BOS
2 stops55h 45m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$1,106
This Trip.com deal was found by Cheapflights users on 4/19. 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.
Sun 9/2010:00 pm
BOS
- KTM
2 stops29h 20m
Multiple Airlines
Sun 12/65:10 pm
KTM
- BOS
2 stops55h 55m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,115
This Trip.com deal was found by Cheapflights users on 4/20. 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 5/274:25 pm
BOS
- KTM
2 stops42h 00m
Multiple Airlines
Sat 6/278:10 am
KTM
- BOS
2 stops64h 15m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,123
This Trip.com deal was found by Cheapflights users on 4/20. 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.
Thu 10/2210:00 pm
BOS
- KTM
3 stops52h 05m
Multiple Airlines
Wed 11/111:40 pm
KTM
- BOS
3 stops59h 25m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,134
This Trip.com deal was found by Cheapflights users on 4/19. 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 6/34:25 pm
BOS
- KTM
2 stops31h 40m
Multiple Airlines
Wed 6/104:40 pm
KTM
- BOS
2 stops31h 45m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,155
This Trip.com deal was found by Cheapflights users on 4/18. 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.
Sun 8/234:25 pm
BOS
- KTM
2 stops34h 55m
Multiple Airlines
Tue 9/12:05 pm
KTM
- BOS
2 stops34h 20m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$1,167
This Trip.com deal was found by Cheapflights users on 4/20. 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 5/254:25 pm
BOS
- KTM
2 stops40h 00m
Multiple Airlines
Tue 6/21:25 pm
KTM
- BOS
2 stops35h 00m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,171
This Trip.com deal was found by Cheapflights users on 4/20. 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 5/204:25 pm
BOS
- KTM
2 stops41h 40m
Multiple Airlines
Tue 6/92:05 pm
KTM
- BOS
2 stops34h 20m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,174
This Trip.com deal was found by Cheapflights users on 4/19. 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.
Tue 6/911:05 pm
BOS
- KTM
2 stops33h 20m
Multiple Airlines
Tue 6/238:10 am
KTM
- BOS
2 stops39h 45m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,214
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 April 22, 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 April 22, 2026.
This FlightHub deal was found by Cheapflights users on 4/17. 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 5/2111:05 pm
BOS
- KTM
2 stops33h 20m
Multiple Airlines
Sun 6/71:25 pm
KTM
- BOS
2 stops34h 30m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$1,375
This Indian Eagle deal was found by Cheapflights users on 4/19. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/611:05 pm
BOS
- KTM
1 stop23h 15m
Emirates
Fri 7/1712:35 am
KTM
- BOS
1 stop23h 20m
Emirates
Deal found 4/19![Emirates logo]()
$1,491
This CrystalTravel deal was found by Cheapflights users on 4/17. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3011:05 pm
BOS
- KTM
2 stops21h 45m
Multiple Airlines
Fri 9/257:55 pm
KTM
- BOS
1 stop28h 00m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$1,477
This Emirates deal was found by Cheapflights users on 4/17. 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 9/1711:05 pm
BOS
- KTM
1 stop34h 05m
Emirates
Sun 9/2012:35 am
KTM
- BOS
1 stop23h 20m
Emirates
Deal found 4/17![Emirates logo]()
$1,505
This Emirates deal was found by Cheapflights users on 4/20. 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.
Wed 5/611:05 pm
BOS
- KTM
1 stop23h 15m
Emirates
Fri 6/512:35 am
KTM
- BOS
1 stop23h 20m
Emirates
Deal found 4/20![Emirates logo]()
$1,512
This Kuwait Airways deal was found by Cheapflights users on 4/22. 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.
Sun 9/209:35 am
BOS
- KTM
2 stops28h 25m
Multiple Airlines
Sat 12/512:05 am
KTM
- BOS
2 stops33h 34m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$1,573
This oojo deal was found by Cheapflights users on 4/17. 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.
Thu 5/2111:05 pm
BOS
- KTM
1 stop38h 45m
Emirates
Sat 6/612:35 am
KTM
- BOS
1 stop23h 20m
Emirates
Deal found 4/17![Emirates logo]()
$1,518
This Kuwait Airways deal was found by Cheapflights users on 4/21. 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.
Fri 10/96:28 am
BOS
- KTM
2 stops31h 32m
Multiple Airlines
Mon 10/1912:45 am
KTM
- BOS
2 stops26h 15m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$1,600
This Emirates deal was found by Cheapflights users on 4/20. 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.
Fri 5/811:05 pm
BOS
- KTM
1 stop29h 45m
Emirates
Fri 6/512:35 am
KTM
- BOS
1 stop23h 20m
Emirates
Deal found 4/20![Emirates logo]()
$1,562
Last-minute flights from Boston to KathmanduDiscover last-minute flight deals from Boston to Kathmandu. Data last updated April 22, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Kathmandu. Data last updated April 22, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 4/19. 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 5/44:25 pm
BOS
- KTM
3 stops34h 55m
Multiple Airlines
Wed 5/202:40 pm
KTM
- BOS
3 stops33h 45m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,250
This Mytrip deal was found by Cheapflights users on 4/18. 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 5/44:25 pm
BOS
- KTM
3 stops34h 55m
Multiple Airlines
Mon 6/82:05 pm
KTM
- BOS
3 stops34h 20m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$1,260
This CrystalTravel deal was found by Cheapflights users on 4/19. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:05 pm
BOS
- KTM
2 stops28h 00m
Multiple Airlines
Thu 5/148:10 am
KTM
- BOS
2 stops39h 45m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,251
This Trip.com deal was found by Cheapflights users on 4/22. 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.
Tue 5/124:25 pm
BOS
- KTM
2 stops31h 40m
Multiple Airlines
Mon 6/12:05 pm
KTM
- BOS
2 stops34h 20m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$1,217
This Trip.com deal was found by Cheapflights users on 4/20. 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.
Tue 5/194:25 pm
BOS
- KTM
2 stops34h 55m
Multiple Airlines
Sat 5/238:50 pm
KTM
- BOS
2 stops51h 35m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,215
This Trip.com deal was found by Cheapflights users on 4/20. 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 5/204:25 pm
BOS
- KTM
2 stops41h 40m
Multiple Airlines
Tue 6/92:05 pm
KTM
- BOS
2 stops34h 20m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,174
This Trip.com deal was found by Cheapflights users on 4/20. 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 5/254:25 pm
BOS
- KTM
2 stops40h 00m
Multiple Airlines
Tue 6/21:25 pm
KTM
- BOS
2 stops35h 00m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,171
This Trip.com deal was found by Cheapflights users on 4/18. 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.
Tue 5/264:25 pm
BOS
- KTM
2 stops40h 00m
Multiple Airlines
Tue 6/308:10 am
KTM
- BOS
2 stops40h 15m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$1,094
This Trip.com deal was found by Cheapflights users on 4/20. 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 5/274:25 pm
BOS
- KTM
2 stops42h 00m
Multiple Airlines
Sat 6/278:10 am
KTM
- BOS
2 stops64h 15m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,123
This Trip.com deal was found by Cheapflights users on 4/22. 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 5/274:25 pm
BOS
- KTM
2 stops34h 55m
Multiple Airlines
Sat 7/118:50 pm
KTM
- BOS
2 stops27h 35m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$1,219
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 April 22, 2026.
Search for one-way flight options from Boston to Kathmandu. Find affordable one-way fares based on user searches. Data last updated April 22, 2026.
This Trip.com deal was found by Cheapflights users on 4/21. 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 5/64:25 pm
BOS
- KTM
2 stops41h 40m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$485
This FlightHub deal was found by Cheapflights users on 4/21. 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 4/277:45 am
BOS
- KTM
2 stops26h 40m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$491
This Trip.com deal was found by Cheapflights users on 4/22. 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.
Thu 5/74:25 pm
BOS
- KTM
2 stops41h 40m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$512
This FlightHub deal was found by Cheapflights users on 4/22. 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.
Fri 5/17:02 am
BOS
- KTM
2 stops27h 23m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$597
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Tue 5/54:25 pm
BOS
- KTM
2 stops41h 40m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$648
This Mytrip deal was found by Cheapflights users on 4/21. 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 5/1210:35 am
BOS
- KTM
3 stops27h 10m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$659
This Mytrip deal was found by Cheapflights users on 4/21. 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 5/1310:45 am
BOS
- KTM
2 stops27h 00m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$670
This Mytrip deal was found by Cheapflights users on 4/18. 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 5/1110:45 am
BOS
- KTM
2 stops27h 35m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$698
This Trip.com deal was found by Cheapflights users on 4/21. 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 5/254:25 pm
BOS
- KTM
2 stops35h 30m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$709
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 April 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,039 (Trip.com) |
One-way from | $485 (Trip.com) |
Popular in | June |
Cheapest in | November |
Average price | $1,385 |
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 April 22, 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
Thu 5/21
11:05 pm-6:10 pm
2 stops33h 20m
Kathmandu Tribhuvan
Sun 6/7
1:25 pm-2:10 pm
2 stops34h 30m
$1,375
BostonKathmandu
BOS - KTM
BOSKTM
Boston Logan Intl
Sun 8/30
11:05 pm-6:35 am
2 stops21h 45m
Kathmandu Tribhuvan
Fri 9/25
7:55 pm-2:10 pm
1 stop28h 00m
$1,477
Quickest round-trip
BostonKathmandu
BOS - KTM
BOSKTM
Boston Logan Intl
Sat 6/6
11:05 pm-8:05 am
1 stop23h 15m
Kathmandu Tribhuvan
Fri 7/17
12:35 am-2:10 pm
1 stop23h 20m
$1,491
BostonKathmandu
BOS - KTM
BOSKTM
Boston Logan Intl
Thu 9/17
11:05 pm-6:55 pm
1 stop34h 05m
Kathmandu Tribhuvan
Sun 9/20
12:35 am-2:10 pm
1 stop23h 20m
$1,505
BostonKathmandu
BOS - KTM
BOSKTM
Boston Logan Intl
Wed 5/6
11:05 pm-8:05 am
1 stop23h 15m
Kathmandu Tribhuvan
Fri 6/5
12:35 am-2:10 pm
1 stop23h 20m
$1,512
BostonKathmandu
BOS - KTM
BOSKTM
Boston Logan Intl
Thu 5/21
11:05 pm-11:35 pm
1 stop38h 45m
Kathmandu Tribhuvan
Sat 6/6
12:35 am-2:10 pm
1 stop23h 20m
$1,518
BostonKathmandu
BOS - KTM
BOSKTM
Boston Logan Intl
Fri 5/8
11:05 pm-2:35 pm
1 stop29h 45m
Kathmandu Tribhuvan
Fri 6/5
12:35 am-2:10 pm
1 stop23h 20m
$1,562
BostonKathmandu
BOS - KTM
BOSKTM
Boston Logan Intl
Sun 9/20
9:35 am-11:45 pm
2 stops28h 25m
Kathmandu Tribhuvan
Sat 12/5
12:05 am-10:54 pm
2 stops33h 34m
$1,573
BostonKathmandu
BOS - KTM
BOSKTM
Boston Logan Intl
Fri 10/9
6:28 am-11:45 pm
2 stops31h 32m
Kathmandu Tribhuvan
Mon 10/19
12:45 am-5:15 pm
2 stops26h 15m
$1,600
Cheapest one-way
Quickest one-way
BostonKathmandu
BOS - KTM
BOSKTM
Boston Logan Intl
Fri 5/1
7:02 am-8:10 pm
2 stops27h 23m
$597
Showing 1-10 of 17 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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 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
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How far ahead should I book a flight from Boston to Kathmandu?
Use this chart to determine the optimal time to book a round-trip flight from Boston to Kathmandu. Price data was last updated on April 17, 2026.
Booking 15 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 $1,741). 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 74% 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 $1,513.
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 55m.
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 38m.
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 April 22, 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
8.3
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
8.3
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
8.3
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
8.3
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
8.3
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
8.3
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 April 22, 2026.
Boston and Kathmandu flights
Browse other Boston and Kathmandu flight options. Last updated on April 22, 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 April 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$758 | Average$1,069 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$981 | Average$1,239 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,017 | Average$1,077 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,050 | Average$1,429 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,186 | Average$1,413 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,253 | Average$1,429 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,610 | Average$1,699 | FlexibilityNo cancel fee | On-time79% |