$730+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SEA
Jul 11 — Jul 181
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from 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 June 11, 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 June 11, 2026.
This Qatar Airways deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1910:05 am
KTM
- SEA
1 stop39h 20m
Qatar Airways
Sun 7/124:25 pm
SEA
- KTM
1 stop28h 40m
Qatar Airways
Deal found 6/6![Qatar Airways logo]()
$1,366
This Qatar Airways deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:05 am
KTM
- SEA
1 stop38h 05m
Qatar Airways
Sat 7/114:25 pm
SEA
- KTM
1 stop35h 35m
Qatar Airways
Deal found 6/8![Qatar Airways logo]()
$1,374
This oojo deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:50 pm
KTM
- SEA
1 stop46h 40m
Singapore Airlines
Tue 1/128:45 am
SEA
- KTM
1 stop23h 20m
Singapore Airlines
Deal found 6/6![Singapore Airlines logo]()
$1,390
This Expedia deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1910:05 am
KTM
- SEA
2 stops44h 40m
Multiple Airlines
Sun 7/124:25 pm
SEA
- KTM
1 stop28h 40m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,427
This Justfly.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/91:25 pm
KTM
- SEA
2 stops36h 45m
Multiple Airlines
Wed 1/274:05 pm
SEA
- KTM
1 stop32h 10m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,496
This Justfly.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:50 pm
KTM
- SEA
1 stop22h 40m
Singapore Airlines
Wed 1/278:45 am
SEA
- KTM
1 stop23h 20m
Singapore Airlines
Deal found 6/7![Singapore Airlines logo]()
$1,509
This Travelocity deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:50 pm
KTM
- SEA
1 stop46h 40m
Multiple Airlines
Tue 1/124:20 pm
SEA
- KTM
2 stops39h 45m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,514
This FlightHub deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/121:25 pm
KTM
- SEA
2 stops36h 45m
Multiple Airlines
Mon 12/284:05 pm
SEA
- KTM
2 stops24h 45m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,524
This Justfly.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/19:05 am
KTM
- SEA
1 stop41h 05m
Multiple Airlines
Tue 10/65:15 pm
SEA
- KTM
2 stops36h 10m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$1,549
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 June 11, 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 June 11, 2026.
This Qatar Airways deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:05 am
KTM
- SEA
1 stop38h 05m
Qatar Airways
Sat 7/114:25 pm
SEA
- KTM
1 stop35h 35m
Qatar Airways
Deal found 6/8![Qatar Airways logo]()
$1,374
This Travelocity deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:50 pm
KTM
- SEA
1 stop46h 40m
Multiple Airlines
Tue 1/124:20 pm
SEA
- KTM
2 stops39h 45m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,514
This Emirates deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:05 am
KTM
- SEA
1 stop41h 05m
Emirates
Sun 1/244:05 pm
SEA
- KTM
1 stop41h 55m
Emirates
Deal found 6/7![Emirates logo]()
$1,630
This oojo deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/111:00 pm
KTM
- SEA
1 stop24h 05m
Cathay Pacific
Tue 10/611:45 am
SEA
- KTM
1 stop21h 15m
Cathay Pacific
Deal found 6/9![Cathay Pacific logo]()
$1,683
This FlightHub deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/121:25 pm
KTM
- SEA
2 stops36h 45m
Multiple Airlines
Mon 12/284:05 pm
SEA
- KTM
2 stops24h 45m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,524
This oojo deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:05 am
KTM
- SEA
1 stop41h 05m
Emirates
Mon 12/284:05 pm
SEA
- KTM
1 stop41h 55m
Emirates
Deal found 6/6![Emirates logo]()
$1,635
This Justfly.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/121:25 pm
KTM
- SEA
2 stops60h 45m
Multiple Airlines
Sun 12/204:05 pm
SEA
- KTM
1 stop41h 55m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,622
This Emirates deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:05 am
KTM
- SEA
1 stop41h 05m
Emirates
Tue 1/264:05 pm
SEA
- KTM
1 stop26h 30m
Emirates
Deal found 6/7![Emirates logo]()
$1,687
This Qatar Airways deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:05 am
KTM
- SEA
1 stop38h 05m
Qatar Airways
Sat 1/308:10 am
SEA
- KTM
2 stops42h 30m
Qatar Airways
Deal found 6/7![Qatar Airways logo]()
$1,865
This Booking.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/19:25 pm
KTM
- SEA
2 stops35h 10m
Multiple Airlines
Mon 10/51:30 am
SEA
- KTM
2 stops33h 10m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$1,718
Last-minute flights from Kathmandu to SeattleDiscover last-minute flight deals from Kathmandu to Seattle. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from Kathmandu to Seattle. Data last updated June 11, 2026 and is based on user searches.
This Qatar Airways deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1910:05 am
KTM
- SEA
1 stop39h 20m
Qatar Airways
Sun 7/124:25 pm
SEA
- KTM
1 stop28h 40m
Qatar Airways
Deal found 6/6![Qatar Airways logo]()
$1,366
This Expedia deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1910:05 am
KTM
- SEA
2 stops44h 40m
Multiple Airlines
Sun 7/124:25 pm
SEA
- KTM
1 stop28h 40m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,427
This oojo deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:30 am
KTM
- SEA
3 stops41h 30m
Air India
Sun 7/127:56 pm
SEA
- KTM
2 stops39h 24m
Air India
Deal found 6/6![Air India logo]()
$1,858
This Justfly.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/19:05 am
KTM
- SEA
1 stop41h 05m
Multiple Airlines
Tue 10/65:15 pm
SEA
- KTM
2 stops36h 10m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$1,549
This oojo deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/111:00 pm
KTM
- SEA
1 stop24h 05m
Cathay Pacific
Tue 10/611:45 am
SEA
- KTM
1 stop21h 15m
Cathay Pacific
Deal found 6/9![Cathay Pacific logo]()
$1,683
This Qatar Airways deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:05 am
KTM
- SEA
1 stop38h 05m
Qatar Airways
Sat 7/114:25 pm
SEA
- KTM
1 stop35h 35m
Qatar Airways
Deal found 6/8![Qatar Airways logo]()
$1,374
This CheapOair deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/48:10 am
KTM
- SEA
2 stops42h 00m
Multiple Airlines
Sat 7/115:15 pm
SEA
- KTM
2 stops36h 10m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,583
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 June 11, 2026.
Search for one-way flight options from Kathmandu to Seattle. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This Trip.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1212:25 am
KTM
- SEA
2 stops52h 30m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$730
This FlightHub deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/171:25 pm
KTM
- SEA
3 stops35h 47m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$742
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:45 am
KTM
- SEA
2 stops38h 00m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$746
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/161:15 pm
KTM
- SEA
3 stops43h 15m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$758
This Trip.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/31:30 pm
KTM
- SEA
2 stops39h 50m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$766
This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:25 am
KTM
- SEA
3 stops50h 45m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$768
This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2911:40 pm
KTM
- SEA
2 stops32h 20m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$769
This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/281:30 pm
KTM
- SEA
2 stops42h 30m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$771
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 June 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,374 (Qatar Airways) |
One-way from | $730 (Trip.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,627 |
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 June 11, 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
Sat 7/4
11:05 am-12:25 pm
1 stop38h 05m
Seattle/Tacoma Intl
Sat 7/11
4:25 pm-4:45 pm
1 stop35h 35m
$1,374
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Wed 8/12
10:50 pm-8:45 am
1 stop46h 40m
Seattle/Tacoma Intl
Tue 1/12
4:20 pm-9:50 pm
2 stops39h 45m
$1,514
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Wed 8/12
1:25 pm-1:25 pm
2 stops36h 45m
Seattle/Tacoma Intl
Mon 12/28
4:05 pm-6:35 am
2 stops24h 45m
$1,524
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Wed 8/12
1:25 pm-1:25 pm
2 stops60h 45m
Seattle/Tacoma Intl
Sun 12/20
4:05 pm-11:45 pm
1 stop41h 55m
$1,622
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Wed 8/12
9:05 am-1:25 pm
1 stop41h 05m
Seattle/Tacoma Intl
Sun 1/24
4:05 pm-11:45 pm
1 stop41h 55m
$1,630
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Wed 8/12
9:05 am-1:25 pm
1 stop41h 05m
Seattle/Tacoma Intl
Mon 12/28
4:05 pm-11:45 pm
1 stop41h 55m
$1,635
Quickest round-trip
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Wed 7/1
11:00 pm-10:20 am
1 stop24h 05m
Seattle/Tacoma Intl
Tue 10/6
11:45 am-9:45 pm
1 stop21h 15m
$1,683
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Thu 8/13
9:05 am-1:25 pm
1 stop41h 05m
Seattle/Tacoma Intl
Tue 1/26
4:05 pm-8:20 am
1 stop26h 30m
$1,687
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Wed 7/1
9:25 pm-7:50 pm
2 stops35h 10m
Seattle/Tacoma Intl
Mon 10/5
1:30 am-11:25 pm
2 stops33h 10m
$1,718
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Thu 8/13
11:05 am-12:25 pm
1 stop38h 05m
Seattle/Tacoma Intl
Sat 1/30
8:10 am-4:25 pm
2 stops42h 30m
$1,865
Showing 1-10 of 20 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 June.
| 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 Accuracy1 star | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | 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 June 11, 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
Entertainment
8.1
Overall
8.2
Crew
8.6
Boarding
8.3
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJuliet,Oct 2025
PUS - SIN
Food
7.8
Entertainment
8.1
Overall
8.2
Crew
8.6
Boarding
8.3
Comfort
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
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Lacey
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Leavenworth
Olympia
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Snoqualmie
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Puyallup
Kent
Lynnwood
Renton
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Fife
Lakewood
Issaquah
Marysville
Shoreline
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Alternative routes for Kathmandu to Seattle
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Kathmandu and Seattle flights
Browse other Kathmandu and Seattle flight options. Last updated on June 11, 2026.
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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 June 11, 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 2,558,603 searches. Data last updated June 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,106 | Average$1,288 | FlexibilityNo cancel fee | On-time81% |