$632+ Cheap flights from Kathmandu (KTM) to Seattle (SEA)
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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SEA
May 21 — May 281
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Kathmandu to SeattleExplore the most affordable flight options available from Kathmandu to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 21, 2026.
Explore the most affordable flight options available from Kathmandu to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 21, 2026.
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/227:20 pm
KTM
- SEA
1 stop27h 25m
Korean Air
Sun 1/1711:00 am
SEA
- KTM
1 stop41h 00m
Korean Air
Deal found 4/18![Korean Air logo]()
$1,221
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:20 pm
KTM
- SEA
1 stop28h 05m
Korean Air
Thu 10/812:50 pm
SEA
- KTM
1 stop39h 40m
Korean Air
Deal found 4/18![Korean Air logo]()
$1,289
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2311:00 pm
KTM
- SEA
1 stop45h 55m
Singapore Airlines
Sat 1/168:45 am
SEA
- KTM
1 stop23h 20m
Singapore Airlines
Deal found 4/18![Singapore Airlines logo]()
$1,295
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:20 pm
KTM
- SEA
1 stop28h 05m
Korean Air
Thu 10/812:50 pm
SEA
- KTM
1 stop39h 40m
Korean Air
Deal found 4/18![Korean Air logo]()
$1,299
This Qatar Airways deal was found by Cheapflights users on 4/16. 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 5/127:10 pm
KTM
- SEA
1 stop32h 20m
Multiple Airlines
Tue 9/154:25 pm
SEA
- KTM
1 stop27h 40m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$1,315
This Qatar Airways 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:10 pm
KTM
- SEA
1 stop32h 20m
Multiple Airlines
Sat 9/124:25 pm
SEA
- KTM
1 stop35h 35m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,317
This Qatar Airways deal was found by Cheapflights users on 4/16. 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 5/127:10 pm
KTM
- SEA
1 stop32h 20m
Multiple Airlines
Sun 9/134:25 pm
SEA
- KTM
1 stop35h 35m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$1,318
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.
Wed 12/231:30 pm
KTM
- SEA
2 stops38h 10m
Multiple Airlines
Fri 1/1512:10 am
SEA
- KTM
2 stops46h 30m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$1,321
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:25 pm
KTM
- SEA
2 stops36h 45m
Multiple Airlines
Mon 5/255:15 pm
SEA
- KTM
2 stops36h 10m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,322
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/241:25 pm
KTM
- SEA
2 stops60h 45m
Multiple Airlines
Sat 6/65:15 pm
SEA
- KTM
2 stops60h 10m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,342
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:10 am
KTM
- SEA
2 stops42h 00m
Multiple Airlines
Thu 6/115:15 pm
SEA
- KTM
2 stops36h 10m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,351
Best flights from Kathmandu to SeattleDiscover carefully curated flight deals from Kathmandu to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 21, 2026.
Discover carefully curated flight deals from Kathmandu to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 21, 2026.
This Qatar Airways deal was found by Cheapflights users on 4/16. 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 5/127:10 pm
KTM
- SEA
1 stop32h 20m
Multiple Airlines
Tue 9/154:25 pm
SEA
- KTM
1 stop27h 40m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$1,315
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/3110:00 am
KTM
- SEA
1 stop41h 30m
Qatar Airways
Mon 8/314:25 pm
SEA
- KTM
1 stop27h 40m
Qatar Airways
Deal found 4/20![Qatar Airways logo]()
$1,387
This Emirates 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:35 pm
KTM
- SEA
1 stop34h 35m
Emirates
Fri 5/295:15 pm
SEA
- KTM
1 stop41h 35m
Emirates
Deal found 4/19![Emirates logo]()
$1,590
This Qatar Airways deal was found by Cheapflights users on 4/16. 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 5/127:10 pm
KTM
- SEA
1 stop32h 20m
Multiple Airlines
Sun 9/134:25 pm
SEA
- KTM
1 stop35h 35m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$1,318
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/241:25 pm
KTM
- SEA
2 stops60h 45m
Multiple Airlines
Sat 6/65:15 pm
SEA
- KTM
2 stops60h 10m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,342
This Emirates 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/113:35 pm
KTM
- SEA
1 stop34h 35m
Emirates
Sun 5/245:15 pm
SEA
- KTM
1 stop36h 55m
Emirates
Deal found 4/19![Emirates logo]()
$1,590
This Emirates 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/93:35 pm
KTM
- SEA
1 stop34h 35m
Emirates
Thu 5/285:15 pm
SEA
- KTM
1 stop26h 05m
Emirates
Deal found 4/19![Emirates logo]()
$1,590
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.
Sun 5/312:05 pm
KTM
- SEA
2 stops36h 05m
Multiple Airlines
Mon 8/315:15 pm
SEA
- KTM
2 stops27h 50m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,447
This Emirates deal was found by Cheapflights users on 4/16. 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.
Mon 5/117:55 pm
KTM
- SEA
1 stop30h 15m
Emirates
Thu 5/285:15 pm
SEA
- KTM
1 stop41h 35m
Emirates
Deal found 4/16![Emirates logo]()
$1,592
This Singapore Airlines 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:50 pm
KTM
- SEA
2 stops36h 20m
Multiple Airlines
Thu 12/318:45 am
SEA
- KTM
1 stop23h 20m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,534
Last-minute flights from Kathmandu to SeattleDiscover last-minute flight deals from Kathmandu to Seattle. Data last updated April 21, 2026 and is based on user searches.
Discover last-minute flight deals from Kathmandu to Seattle. Data last updated April 21, 2026 and is based on user searches.
This Qatar Airways 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:10 pm
KTM
- SEA
1 stop32h 20m
Multiple Airlines
Mon 5/44:25 pm
SEA
- KTM
1 stop27h 30m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$1,388
This Qatar Airways 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:10 pm
KTM
- SEA
1 stop32h 20m
Multiple Airlines
Sat 9/124:25 pm
SEA
- KTM
1 stop35h 35m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,317
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:15 pm
KTM
- SEA
3 stops60h 55m
Multiple Airlines
Mon 9/145:15 pm
SEA
- KTM
3 stops54h 15m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$1,373
This Trip.com deal was found by Cheapflights users on 4/16. 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 5/118:50 pm
KTM
- SEA
2 stops53h 20m
Multiple Airlines
Tue 5/265:15 pm
SEA
- KTM
2 stops27h 50m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$1,381
This Qatar Airways deal was found by Cheapflights users on 4/16. 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 5/127:10 pm
KTM
- SEA
1 stop32h 20m
Multiple Airlines
Tue 9/154:25 pm
SEA
- KTM
1 stop27h 40m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$1,315
This Qatar Airways deal was found by Cheapflights users on 4/16. 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 5/127:10 pm
KTM
- SEA
1 stop32h 20m
Multiple Airlines
Sun 9/134:25 pm
SEA
- KTM
1 stop35h 35m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$1,318
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:25 pm
KTM
- SEA
2 stops36h 45m
Multiple Airlines
Mon 5/255:15 pm
SEA
- KTM
2 stops36h 10m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,322
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/128:10 am
KTM
- SEA
2 stops42h 00m
Multiple Airlines
Tue 5/265:15 pm
SEA
- KTM
1 stop27h 45m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,393
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/241:25 pm
KTM
- SEA
2 stops60h 45m
Multiple Airlines
Sat 6/65:15 pm
SEA
- KTM
2 stops60h 10m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,342
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/3110:00 am
KTM
- SEA
1 stop41h 30m
Qatar Airways
Mon 8/314:25 pm
SEA
- KTM
1 stop27h 40m
Qatar Airways
Deal found 4/20![Qatar Airways logo]()
$1,387
One-way flights from Kathmandu to SeattleSearch for one-way flight options from Kathmandu to Seattle. Find affordable one-way fares based on user searches. Data last updated April 21, 2026.
Search for one-way flight options from Kathmandu to Seattle. Find affordable one-way fares based on user searches. Data last updated April 21, 2026.
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.
Sun 5/3111:45 am
KTM
- SEA
2 stops43h 35m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$632
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:05 pm
KTM
- SEA
3 stops45h 50m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$719
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 6/19:10 pm
KTM
- SEA
3 stops28h 05m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$730
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.
Fri 6/53:05 pm
KTM
- SEA
3 stops40h 15m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$791
This Qatar Airways deal was found by Cheapflights users on 4/16. 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 4/287:10 pm
KTM
- SEA
1 stop31h 40m
Qatar Airways
Deal found 4/16![Qatar Airways logo]()
$796
This Qatar Airways 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:10 pm
KTM
- SEA
1 stop32h 20m
Qatar Airways
Deal found 4/20![Qatar Airways logo]()
$797
This Qatar Airways deal was found by Cheapflights users on 4/16. 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 5/510:00 am
KTM
- SEA
1 stop41h 30m
Qatar Airways
Deal found 4/16![Qatar Airways logo]()
$798
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:25 pm
KTM
- SEA
2 stops36h 45m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$839
This Qatar Airways 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:10 pm
KTM
- SEA
1 stop32h 20m
Qatar Airways
Deal found 4/20![Qatar Airways logo]()
$840
Find flight deals from Kathmandu to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Kathmandu (KTM) to Seattle (SEA). 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 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,289 (Korean Air) |
One-way from | $719 (Kiwi.com) |
Popular in | August |
Cheapest in | February |
Average price | $1,783 |
Cheapflights Fare Finder
Customize your flight search to find flights from Kathmandu to Seattle 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 21, 2026.
Use the filters below to find and compare flights from Kathmandu to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Tue 5/12
7:10 pm-2:45 pm
1 stop32h 20m
Seattle/Tacoma Intl
Tue 9/15
4:25 pm-8:50 am
1 stop27h 40m
$1,315
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Tue 5/12
7:10 pm-2:45 pm
1 stop32h 20m
Seattle/Tacoma Intl
Sun 9/13
4:25 pm-4:45 pm
1 stop35h 35m
$1,318
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Sun 5/24
1:25 pm-1:25 pm
2 stops60h 45m
Seattle/Tacoma Intl
Sat 6/6
5:15 pm-6:10 pm
2 stops60h 10m
$1,342
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Sun 5/31
10:00 am-2:45 pm
1 stop41h 30m
Seattle/Tacoma Intl
Mon 8/31
4:25 pm-8:50 am
1 stop27h 40m
$1,387
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Sun 5/31
2:05 pm-1:25 pm
2 stops36h 05m
Seattle/Tacoma Intl
Mon 8/31
5:15 pm-9:50 am
2 stops27h 50m
$1,447
Quickest round-trip
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Fri 9/4
10:50 pm-10:25 pm
2 stops36h 20m
Seattle/Tacoma Intl
Thu 12/31
8:45 am-9:50 pm
1 stop23h 20m
$1,534
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Thu 5/14
3:35 pm-1:25 pm
1 stop34h 35m
Seattle/Tacoma Intl
Fri 5/29
5:15 pm-11:35 pm
1 stop41h 35m
$1,590
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Mon 5/11
3:35 pm-1:25 pm
1 stop34h 35m
Seattle/Tacoma Intl
Sun 5/24
5:15 pm-6:55 pm
1 stop36h 55m
$1,590
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Sat 5/9
3:35 pm-1:25 pm
1 stop34h 35m
Seattle/Tacoma Intl
Thu 5/28
5:15 pm-8:05 am
1 stop26h 05m
$1,590
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Mon 5/11
7:55 pm-1:25 pm
1 stop30h 15m
Seattle/Tacoma Intl
Thu 5/28
5:15 pm-11:35 pm
1 stop41h 35m
$1,592
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Kathmandu to Seattle
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 Kathmandu to Seattle in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Kathmandu-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kathmandu-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kathmandu-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Kathmandu-Seattle 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 Kathmandu-Seattle 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 Kathmandu to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Kathmandu with our price prediction graph.
KTM-SEA
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 Kathmandu to Seattle
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated April 21, 2026.
Peruse reviews from past customers who have flown with Singapore Airlines and Emirates from Kathmandu to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Crew
8.6
Entertainment
8.0
Food
7.8
Overall
8.2
Boarding
8.3
Reviews
1 / 20
10.0
ExcellentJuliet,Oct 2025
PUS - SIN
Comfort
8.0
Crew
8.6
Entertainment
8.0
Food
7.8
Overall
8.2
Boarding
8.3
Reviews
1 / 20
10.0
ExcellentJuliet,Oct 2025
PUS - SIN
Comfort
8.0
Crew
8.6
Entertainment
8.0
Food
7.8
Overall
8.2
Boarding
8.3
Reviews
1 / 20
10.0
ExcellentJuliet,Oct 2025
PUS - SIN
Related info for your journey
Find useful and relevant information for your journey from Kathmandu to Seattle. 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 Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Kent
Tumwater
Tukwila
Puyallup
Renton
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
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Kathmandu and Seattle flights
Browse other Kathmandu and Seattle flight options. Last updated on April 21, 2026.
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Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 21, 2026.
Top 2 airlines flying from Kathmandu to Seattle
Discover the top 2 airlines that operate flights from Kathmandu to Seattle. 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 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,148 | Average$1,373 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,717 | Average$1,720 | FlexibilityNo cancel fee | On-time75% |