$571+ Cheap flights from Kathmandu (KTM) to Seattle (SEA)
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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SEA
Nov 13 — Nov 201
Round-trip
1 adult, Economy
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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 October 14, 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 October 14, 2026.
This Mytrip deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2411:45 am -
3 stops34h 45m
Tue 12/18:40 am -
1 stop23h 25m
Deal found 10/10![Multiple Airlines logo]()
$1,420
This KAYAK deal was found by Cheapflights users on 10/12. 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.
Thu 10/225:30 pm -
1 stop32h 15m
Fri 11/69:00 pm -
2 stops55h 00m
Deal found 10/12![Qatar Airways logo]()
$1,587
This CheapOair deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:25 pm -
2 stops33h 50m
Sun 3/712:10 am -
2 stops31h 35m
Deal found 10/10![Multiple Airlines logo]()
$1,622
This oojo deal was found by Cheapflights users on 10/12. 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 10/229:10 pm -
2 stops28h 31m
Fri 11/69:39 pm -
3 stops45h 41m
Deal found 10/12![Air India logo]()
$1,648
This Korean Air deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:25 pm -
1 stop27h 25m
Sun 3/712:10 am -
1 stop27h 05m
Deal found 10/10![Korean Air logo]()
$1,682
This CheapOair deal was found by Cheapflights users on 10/12. 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.
Thu 10/229:25 pm -
2 stops34h 40m
Thu 11/512:10 am -
2 stops30h 40m
Deal found 10/12![Multiple Airlines logo]()
$1,746
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 October 14, 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 October 14, 2026.
This Expedia deal was found by Cheapflights users on 10/13. 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.
Wed 3/39:40 pm -
2 stops30h 46m
Thu 3/2510:41 pm -
2 stops33h 14m
Deal found 10/13![Multiple Airlines logo]()
$1,126
This oojo deal was found by Cheapflights users on 10/13. 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.
Wed 3/39:40 pm -
2 stops29h 02m
Thu 3/253:50 pm -
3 stops50h 00m
Deal found 10/13![Air India logo]()
$1,446
This KAYAK deal was found by Cheapflights users on 10/13. 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.
Wed 3/310:55 pm -
1 stop23h 35m
Thu 3/2511:25 am -
1 stop21h 20m
Deal found 10/13![Cathay Pacific logo]()
$1,491
This Korean Air deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:25 pm -
1 stop27h 25m
Sun 3/712:10 am -
1 stop27h 05m
Deal found 10/10![Korean Air logo]()
$1,682
This Mytrip deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2411:45 am -
3 stops34h 45m
Tue 12/18:40 am -
1 stop23h 25m
Deal found 10/10![Multiple Airlines logo]()
$1,420
This Booking.com deal was found by Cheapflights users on 10/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2412:25 am -
2 stops31h 00m
Tue 8/102:10 am -
2 stops32h 30m
Deal found 10/13![Multiple Airlines logo]()
$1,550
This CheapOair deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:25 pm -
2 stops33h 50m
Sun 3/712:10 am -
2 stops31h 35m
Deal found 10/10![Multiple Airlines logo]()
$1,622
Last-minute flights from Kathmandu to SeattleDiscover last-minute flight deals from Kathmandu to Seattle. Data last updated October 14, 2026 and is based on user searches.
Discover last-minute flight deals from Kathmandu to Seattle. Data last updated October 14, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 10/12. 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.
Thu 10/225:30 pm -
1 stop32h 15m
Fri 11/69:00 pm -
2 stops55h 00m
Deal found 10/12![Qatar Airways logo]()
$1,587
This oojo deal was found by Cheapflights users on 10/12. 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 10/229:10 pm -
2 stops28h 31m
Fri 11/69:39 pm -
3 stops45h 41m
Deal found 10/12![Air India logo]()
$1,648
This CheapOair deal was found by Cheapflights users on 10/12. 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.
Thu 10/229:25 pm -
2 stops34h 40m
Thu 11/512:10 am -
2 stops30h 40m
Deal found 10/12![Multiple Airlines logo]()
$1,746
This CheapOair deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:25 pm -
2 stops33h 50m
Sun 3/712:10 am -
2 stops31h 35m
Deal found 10/10![Multiple Airlines logo]()
$1,622
This Korean Air deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:25 pm -
1 stop27h 25m
Sun 3/712:10 am -
1 stop27h 05m
Deal found 10/10![Korean Air logo]()
$1,682
This Mytrip deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2411:45 am -
3 stops34h 45m
Tue 12/18:40 am -
1 stop23h 25m
Deal found 10/10![Multiple Airlines logo]()
$1,420
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 October 14, 2026.
Search for one-way flight options from Kathmandu to Seattle. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.
This FlightHub deal was found by Cheapflights users on 10/12. 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 10/2910:05 am -
2 stops33h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Multiple Airlines logo]()
$571
This FlightHub deal was found by Cheapflights users on 10/14. 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 11/1110:05 am -
2 stops34h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Multiple Airlines logo]()
$573
This oojo deal was found by Cheapflights users on 10/13. 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 11/19:40 pm -
2 stops47h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Air India logo]()
$582
This oojo deal was found by Cheapflights users on 10/12. 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.
Sat 10/317:35 am -
2 stops37h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Air India logo]()
$598
This oojo deal was found by Cheapflights users on 10/14. 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 12/76:30 am -
2 stops38h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Air India logo]()
$599
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 11/36:30 am -
2 stops38h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Multiple Airlines logo]()
$609
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 12/910:05 am -
2 stops34h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Multiple Airlines logo]()
$617
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 11/610:55 pm -
1 stop21h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Singapore Airlines logo]()
$623
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 11/310:55 pm -
1 stop21h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Singapore Airlines logo]()
$629
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
Mon 11/210:55 pm -
1 stop21h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Singapore Airlines logo]()
$650
This KAYAK deal was found by Cheapflights users on 10/13. 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.
Mon 11/910:55 pm -
1 stop21h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Singapore Airlines logo]()
$653
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 10/288:50 pm -
2 stops48h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Multiple Airlines logo]()
$656
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 October 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,126 (Expedia) |
One-way from | $571 (FlightHub) |
Popular in | June |
Cheapest in | September |
Average price | $1,247 |
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 7,457,451 searches. Data last updated October 14, 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 Kathmandu Tribhuvan - SEA Seattle/Tacoma Intl
KTMSEA
Kathmandu Tribhuvan
Mon 11/2
12:30 pm-1:40 pm
3 stops38h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$683
KathmanduSeattle
KTM Kathmandu Tribhuvan - SEA Seattle/Tacoma Intl
KTMSEA
Kathmandu Tribhuvan
Sun 3/21
12:25 am-7:45 pm
2 stops32h 05m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$795
KathmanduSeattle
KTM Kathmandu Tribhuvan - SEA Seattle/Tacoma Intl
KTMSEA
Kathmandu Tribhuvan
Fri 11/13
11:45 pm-9:03 pm
3 stops35h 03m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$812
KathmanduSeattle
KTM Kathmandu Tribhuvan - SEA Seattle/Tacoma Intl
KTMSEA
Kathmandu Tribhuvan
Sat 11/21
7:15 am-10:48 pm
3 stops53h 18m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$869
KathmanduSeattle
KTM Kathmandu Tribhuvan - SEA Seattle/Tacoma Intl
KTMSEA
Kathmandu Tribhuvan
Sun 11/1
10:55 pm-7:05 am
1 stop45h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$880
KathmanduSeattle
KTM Kathmandu Tribhuvan - SEA Seattle/Tacoma Intl
KTMSEA
Kathmandu Tribhuvan
Thu 10/29
7:00 pm-12:40 pm
1 stop30h 25m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$887
KathmanduSeattle
KTM Kathmandu Tribhuvan - SEA Seattle/Tacoma Intl
KTMSEA
Kathmandu Tribhuvan
Tue 10/27
3:50 pm-12:40 pm
1 stop33h 35m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$890
Quickest round-trip
KathmanduSeattle
KTM Kathmandu Tribhuvan - SEA Seattle/Tacoma Intl
KTMSEA
Kathmandu Tribhuvan
Fri 10/30
7:25 pm-10:05 am
1 stop27h 25m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$901
KathmanduSeattle
KTM Kathmandu Tribhuvan - SEA Seattle/Tacoma Intl
KTMSEA
Kathmandu Tribhuvan
Mon 11/16
3:50 pm-9:03 pm
2 stops42h 58m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$926
KathmanduSeattle
KTM Kathmandu Tribhuvan - SEA Seattle/Tacoma Intl
KTMSEA
Kathmandu Tribhuvan
Wed 3/3
9:40 pm-2:41 pm
2 stops30h 46m
Seattle/Tacoma Intl
Thu 3/25
10:41 pm-8:40 pm
2 stops33h 14m
$1,126
Showing 1-10 of 16 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star |
- 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.
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 October 14, 2026.
Peruse reviews from past customers who have flown with Singapore Airlines 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.
Food
7.8
Boarding
8.3
Comfort
8.0
Crew
8.6
Entertainment
8.1
Overall
8.2
Reviews
1 / 20
4.0
OkayAnonymous,Sep 2026
SIN - SEA
Food
7.8
Boarding
8.3
Comfort
8.0
Crew
8.6
Entertainment
8.1
Overall
8.2
Reviews
1 / 20
4.0
OkayAnonymous,Sep 2026
SIN - SEA
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
Renton
Tacoma
Lacey
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Olympia
Tukwila
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ocean Shores
Ellensburg
Issaquah
Lakewood
Poulsbo
Marysville
Shoreline
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Kathmandu and Seattle flights
Browse other Kathmandu and Seattle flight options. Last updated on October 14, 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 October 14, 2026.
Top airline flying from Kathmandu to Seattle
Discover the top airline 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 7,457,451 searches. Data last updated October 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,006 | Average$1,259 | FlexibilityNo cancel fee | On-time81% |