$623+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SEA
May 25 — Jun 11
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Kathmandu to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Kathmandu to Seattle
Cheapest
Best
Last-minute
One-way
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 25, 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 25, 2026.
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 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
This Gotogate deal was found by Cheapflights users on 4/23. 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.
Fri 6/57:10 pm
KTM
- SEA
1 stop32h 20m
Qatar Airways
Sat 11/74:05 pm
SEA
- KTM
1 stop35h 40m
Qatar Airways
Deal found 4/23![Qatar Airways logo]()
$1,373
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:45 pm
KTM
- SEA
1 stop30h 25m
Qatar Airways
Fri 11/612:58 am
SEA
- KTM
2 stops50h 47m
Qatar Airways
Deal found 4/22![Qatar Airways logo]()
$1,404
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
Sat 9/1210:44 am
SEA
- KTM
2 stops33h 21m
Qatar Airways
Deal found 4/20![Qatar Airways logo]()
$1,411
This FlightHub deal was found by Cheapflights users on 4/23. 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 5/221:25 pm
KTM
- SEA
2 stops36h 45m
Multiple Airlines
Fri 5/295:15 pm
SEA
- KTM
2 stops36h 10m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$1,421
This SmartFares deal was found by Cheapflights users on 4/23. 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.
Fri 6/57:10 pm
KTM
- SEA
1 stop32h 20m
Multiple Airlines
Sat 11/78:10 am
SEA
- KTM
2 stops42h 30m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$1,422
This Expedia deal was found by Cheapflights users on 4/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/117:10 pm
KTM
- SEA
2 stops49h 48m
Multiple Airlines
Sat 11/74:05 pm
SEA
- KTM
1 stop35h 40m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$1,449
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/71:25 pm
KTM
- SEA
2 stops36h 45m
Multiple Airlines
Sat 9/125:15 pm
SEA
- KTM
1 stop26h 05m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,468
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:55 pm
KTM
- SEA
1 stop30h 15m
Multiple Airlines
Thu 5/75:15 pm
SEA
- KTM
2 stops36h 10m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,483
This Justfly.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/241:25 pm
KTM
- SEA
2 stops36h 45m
Multiple Airlines
Wed 8/55:15 pm
SEA
- KTM
1 stop26h 05m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$1,510
This Ovago deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/11:25 pm
KTM
- SEA
2 stops60h 45m
Multiple Airlines
Sat 11/74:05 pm
SEA
- KTM
1 stop26h 30m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$1,519
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 25, 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 25, 2026.
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
This Gotogate deal was found by Cheapflights users on 4/23. 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.
Fri 6/57:10 pm
KTM
- SEA
1 stop32h 20m
Qatar Airways
Sat 11/74:05 pm
SEA
- KTM
1 stop35h 40m
Qatar Airways
Deal found 4/23![Qatar Airways logo]()
$1,373
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:05 am
KTM
- SEA
1 stop41h 05m
Emirates
Thu 6/115:15 pm
SEA
- KTM
1 stop26h 05m
Emirates
Deal found 4/20![Emirates logo]()
$1,568
This FlightHub deal was found by Cheapflights users on 4/23. 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 5/221:25 pm
KTM
- SEA
2 stops36h 45m
Multiple Airlines
Fri 5/295:15 pm
SEA
- KTM
2 stops36h 10m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$1,421
This Qatar Airways deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/117:10 pm
KTM
- SEA
1 stop32h 20m
Qatar Airways
Sat 11/74:05 pm
SEA
- KTM
1 stop34h 35m
Qatar Airways
Deal found 4/23![Qatar Airways logo]()
$1,617
This oojo deal was found by Cheapflights users on 4/23. 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.
Fri 5/223:35 pm
KTM
- SEA
1 stop34h 35m
Emirates
Fri 5/295:15 pm
SEA
- KTM
1 stop26h 05m
Emirates
Deal found 4/23![Emirates logo]()
$1,626
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:55 pm
KTM
- SEA
1 stop30h 15m
Multiple Airlines
Wed 4/75:15 pm
SEA
- KTM
2 stops38h 10m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$1,607
This oojo deal was found by Cheapflights users on 4/23. 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 6/19:05 am
KTM
- SEA
1 stop41h 05m
Emirates
Sat 11/74:05 pm
SEA
- KTM
1 stop32h 10m
Emirates
Deal found 4/23![Emirates logo]()
$1,626
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 5/810:00 am
KTM
- SEA
2 stops48h 07m
Qatar Airways
Sat 9/1210:44 am
SEA
- KTM
2 stops33h 21m
Qatar Airways
Deal found 4/20![Qatar Airways logo]()
$1,632
This Trip.com deal was found by Cheapflights users on 4/25. 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 6/36:45 am
KTM
- SEA
2 stops43h 25m
Multiple Airlines
Sun 6/215:15 pm
SEA
- KTM
2 stops30h 50m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$1,621
Last-minute flights from Kathmandu to SeattleDiscover last-minute flight deals from Kathmandu to Seattle. Data last updated April 25, 2026 and is based on user searches.
Discover last-minute flight deals from Kathmandu to Seattle. Data last updated April 25, 2026 and is based on user searches.
This Emirates 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:55 pm
KTM
- SEA
1 stop30h 15m
Emirates
Sun 2/74:05 pm
SEA
- KTM
1 stop41h 55m
Emirates
Deal found 4/21![Emirates logo]()
$1,596
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:55 pm
KTM
- SEA
1 stop30h 15m
Multiple Airlines
Thu 5/75:15 pm
SEA
- KTM
2 stops36h 10m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,483
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:55 pm
KTM
- SEA
1 stop30h 15m
Emirates
Thu 5/75:15 pm
SEA
- KTM
1 stop26h 05m
Emirates
Deal found 4/20![Emirates logo]()
$1,568
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/71:25 pm
KTM
- SEA
2 stops36h 45m
Multiple Airlines
Sat 9/125:15 pm
SEA
- KTM
1 stop26h 05m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,468
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 4/20. 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
Sat 9/1210:44 am
SEA
- KTM
2 stops33h 21m
Qatar Airways
Deal found 4/20![Qatar Airways logo]()
$1,411
This FlightHub deal was found by Cheapflights users on 4/23. 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 5/221:25 pm
KTM
- SEA
2 stops36h 45m
Multiple Airlines
Fri 5/295:15 pm
SEA
- KTM
2 stops36h 10m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$1,421
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 25, 2026.
Search for one-way flight options from Kathmandu to Seattle. Find affordable one-way fares based on user searches. Data last updated April 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 6/211:45 am
KTM
- SEA
2 stops43h 35m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$623
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 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.
Wed 6/36:45 am
KTM
- SEA
3 stops42h 30m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$729
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 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:30 pm
KTM
- SEA
3 stops38h 30m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$778
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 4/23. 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 5/177:10 pm
KTM
- SEA
1 stop32h 20m
Qatar Airways
Deal found 4/23![Qatar Airways logo]()
$795
This Qatar 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 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 4/21![Qatar Airways logo]()
$797
This Qatar 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:10 pm
KTM
- SEA
1 stop32h 20m
Qatar Airways
Deal found 4/21![Qatar Airways logo]()
$798
This Trip.com deal was found by Cheapflights users on 4/23. 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 5/1710:35 pm
KTM
- SEA
2 stops47h 10m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$810
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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,317 (Qatar Airways) |
One-way from | $623 (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 25, 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
Thu 6/4
8:10 am-1:25 pm
2 stops42h 00m
Seattle/Tacoma Intl
Thu 6/11
5:15 pm-6:10 pm
2 stops36h 10m
$1,351
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Fri 6/5
7:10 pm-2:45 pm
1 stop32h 20m
Seattle/Tacoma Intl
Sat 11/7
4:05 pm-5:30 pm
1 stop35h 40m
$1,373
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Fri 5/22
1:25 pm-1:25 pm
2 stops36h 45m
Seattle/Tacoma Intl
Fri 5/29
5:15 pm-6:10 pm
2 stops36h 10m
$1,421
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Thu 6/4
9:05 am-1:25 pm
1 stop41h 05m
Seattle/Tacoma Intl
Thu 6/11
5:15 pm-8:05 am
1 stop26h 05m
$1,568
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Wed 10/14
7:55 pm-1:25 pm
1 stop30h 15m
Seattle/Tacoma Intl
Wed 4/7
5:15 pm-8:10 pm
2 stops38h 10m
$1,607
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Thu 6/11
7:10 pm-2:45 pm
1 stop32h 20m
Seattle/Tacoma Intl
Sat 11/7
4:05 pm-4:25 pm
1 stop34h 35m
$1,617
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Wed 6/3
6:45 am-1:25 pm
2 stops43h 25m
Seattle/Tacoma Intl
Sun 6/21
5:15 pm-12:50 pm
2 stops30h 50m
$1,621
Quickest round-trip
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Fri 5/22
3:35 pm-1:25 pm
1 stop34h 35m
Seattle/Tacoma Intl
Fri 5/29
5:15 pm-8:05 am
1 stop26h 05m
$1,626
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Mon 6/1
9:05 am-1:25 pm
1 stop41h 05m
Seattle/Tacoma Intl
Sat 11/7
4:05 pm-2:00 pm
1 stop32h 10m
$1,626
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Fri 5/8
10:00 am-9:22 pm
2 stops48h 07m
Seattle/Tacoma Intl
Sat 9/12
10:44 am-8:50 am
2 stops33h 21m
$1,632
Showing 1-10 of 21 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 25, 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.
Overall
8.2
Boarding
8.3
Comfort
8.0
Crew
8.6
Food
7.8
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentJuliet,Oct 2025
PUS - SIN
Overall
8.2
Boarding
8.3
Comfort
8.0
Crew
8.6
Food
7.8
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentJuliet,Oct 2025
PUS - SIN
Overall
8.2
Boarding
8.3
Comfort
8.0
Crew
8.6
Food
7.8
Entertainment
8.0
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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Seattle flight routes
Alternative routes for Kathmandu to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Kathmandu to Seattle by cabin class
Find flights from Kathmandu to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kathmandu and Seattle flights
Browse other Kathmandu and Seattle flight options. Last updated on April 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 25, 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 25, 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% |