$706+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SEA
Jun 8 — Jun 151
Round-trip
1 adult, Economy
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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 May 9, 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 May 9, 2026.
This Qatar Airways deal was found by Cheapflights users on 5/5. 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 6/57:10 pm
KTM
- SEA
1 stop32h 20m
Multiple Airlines
Fri 6/125:05 pm
SEA
- KTM
1 stop26h 50m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,305
This Qatar Airways deal was found by Cheapflights users on 5/5. 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 05m
Multiple Airlines
Fri 6/264:25 pm
SEA
- KTM
1 stop27h 40m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,308
This Orbitz deal was found by Cheapflights users on 5/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/810:05 am
KTM
- SEA
3 stops47h 39m
Multiple Airlines
Mon 6/155:05 pm
SEA
- KTM
1 stop27h 00m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$1,322
This FlightHub deal was found by Cheapflights users on 5/6. 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.
Sun 5/317:10 pm
KTM
- SEA
1 stop32h 20m
Qatar Airways
Fri 6/194:25 pm
SEA
- KTM
1 stop27h 40m
Qatar Airways
Deal found 5/6![Qatar Airways logo]()
$1,385
This Qatar Airways deal was found by Cheapflights users on 5/6. 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.
Sun 5/317:10 pm
KTM
- SEA
1 stop32h 20m
Qatar Airways
Sat 6/204:25 pm
SEA
- KTM
1 stop27h 40m
Qatar Airways
Deal found 5/6![Qatar Airways logo]()
$1,414
This Qatar Airways deal was found by Cheapflights users on 5/6. 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.
Tue 6/27:10 pm
KTM
- SEA
1 stop32h 20m
Qatar Airways
Wed 6/1710:03 am
SEA
- KTM
2 stops34h 02m
Qatar Airways
Deal found 5/6![Qatar Airways logo]()
$1,423
This Qatar Airways deal was found by Cheapflights users on 5/6. 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.
Sun 5/317:10 pm
KTM
- SEA
1 stop32h 20m
Qatar Airways
Tue 6/1610:03 am
SEA
- KTM
2 stops41h 57m
Qatar Airways
Deal found 5/6![Qatar Airways logo]()
$1,426
This Qatar Airways deal was found by Cheapflights users on 5/6. 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.
Tue 6/27:10 pm
KTM
- SEA
1 stop32h 20m
Qatar Airways
Thu 6/189:18 pm
SEA
- KTM
2 stops46h 47m
Qatar Airways
Deal found 5/6![Qatar Airways logo]()
$1,436
This FlightHub deal was found by Cheapflights users on 5/6. 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 6/11:25 pm
KTM
- SEA
2 stops36h 45m
Multiple Airlines
Fri 6/195:15 pm
SEA
- KTM
2 stops36h 10m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$1,437
This FlightHub deal was found by Cheapflights users on 5/6. 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 6/11:25 pm
KTM
- SEA
2 stops36h 45m
Multiple Airlines
Wed 6/175:15 pm
SEA
- KTM
2 stops36h 10m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$1,438
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 May 9, 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 May 9, 2026.
This Qatar Airways deal was found by Cheapflights users on 5/5. 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 6/57:10 pm
KTM
- SEA
1 stop32h 20m
Multiple Airlines
Fri 6/125:05 pm
SEA
- KTM
1 stop26h 50m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,305
This Qatar Airways deal was found by Cheapflights users on 5/6. 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.
Tue 6/27:10 pm
KTM
- SEA
1 stop32h 20m
Qatar Airways
Mon 6/1512:38 pm
SEA
- KTM
2 stops39h 22m
Qatar Airways
Deal found 5/6![Qatar Airways logo]()
$1,423
This Emirates deal was found by Cheapflights users on 5/6. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/212:35 am
KTM
- SEA
1 stop25h 35m
Emirates
Wed 6/175:15 pm
SEA
- KTM
1 stop26h 05m
Emirates
Deal found 5/6![Emirates logo]()
$1,641
This Qatar Airways deal was found by Cheapflights users on 5/5. 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 05m
Multiple Airlines
Fri 6/264:25 pm
SEA
- KTM
1 stop27h 40m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,308
This Qatar Airways deal was found by Cheapflights users on 5/6. 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.
Tue 6/27:10 pm
KTM
- SEA
1 stop32h 20m
Qatar Airways
Wed 6/1710:03 am
SEA
- KTM
2 stops34h 02m
Qatar Airways
Deal found 5/6![Qatar Airways logo]()
$1,423
This Travelocity deal was found by Cheapflights users on 5/7. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:10 pm
KTM
- SEA
3 stops33h 17m
Multiple Airlines
Sat 10/313:20 pm
SEA
- KTM
2 stops41h 35m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$1,497
This Emirates deal was found by Cheapflights users on 5/6. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/312:35 am
KTM
- SEA
1 stop25h 35m
Emirates
Fri 6/195:15 pm
SEA
- KTM
1 stop26h 05m
Emirates
Deal found 5/6![Emirates logo]()
$1,690
This Justfly.com deal was found by Cheapflights users on 5/5. 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 7/2612:35 am
KTM
- SEA
1 stop25h 35m
Multiple Airlines
Thu 10/85:15 pm
SEA
- KTM
2 stops60h 10m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,520
This Ovago deal was found by Cheapflights users on 5/6. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/211:25 pm
KTM
- SEA
2 stops36h 45m
Multiple Airlines
Sun 6/285:15 pm
SEA
- KTM
2 stops36h 10m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$1,542
Last-minute flights from Kathmandu to SeattleDiscover last-minute flight deals from Kathmandu to Seattle. Data last updated May 9, 2026 and is based on user searches.
Discover last-minute flight deals from Kathmandu to Seattle. Data last updated May 9, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 5/6. 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.
Sun 5/317:10 pm
KTM
- SEA
1 stop32h 20m
Qatar Airways
Wed 6/174:25 pm
SEA
- KTM
1 stop27h 40m
Qatar Airways
Deal found 5/6![Qatar Airways logo]()
$1,385
This Qatar Airways deal was found by Cheapflights users on 5/6. 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.
Sun 5/317:10 pm
KTM
- SEA
1 stop32h 20m
Qatar Airways
Sat 6/204:25 pm
SEA
- KTM
1 stop27h 40m
Qatar Airways
Deal found 5/6![Qatar Airways logo]()
$1,414
This Qatar Airways deal was found by Cheapflights users on 5/6. 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.
Sun 5/317:10 pm
KTM
- SEA
1 stop32h 20m
Qatar Airways
Tue 6/1610:03 am
SEA
- KTM
2 stops41h 57m
Qatar Airways
Deal found 5/6![Qatar Airways logo]()
$1,426
This FlightHub deal was found by Cheapflights users on 5/6. 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 6/11:25 pm
KTM
- SEA
2 stops36h 45m
Multiple Airlines
Fri 6/195:15 pm
SEA
- KTM
2 stops36h 10m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$1,437
This FlightHub deal was found by Cheapflights users on 5/6. 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 6/11:25 pm
KTM
- SEA
2 stops36h 45m
Multiple Airlines
Wed 6/175:15 pm
SEA
- KTM
2 stops36h 10m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$1,438
This Qatar Airways deal was found by Cheapflights users on 5/6. 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.
Tue 6/27:10 pm
KTM
- SEA
1 stop32h 20m
Qatar Airways
Wed 6/1710:03 am
SEA
- KTM
2 stops34h 02m
Qatar Airways
Deal found 5/6![Qatar Airways logo]()
$1,423
This Qatar Airways deal was found by Cheapflights users on 5/6. 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.
Tue 6/27:10 pm
KTM
- SEA
1 stop32h 20m
Qatar Airways
Thu 6/189:18 pm
SEA
- KTM
2 stops46h 47m
Qatar Airways
Deal found 5/6![Qatar Airways logo]()
$1,436
This Qatar Airways deal was found by Cheapflights users on 5/5. 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 6/57:10 pm
KTM
- SEA
1 stop32h 20m
Multiple Airlines
Fri 6/125:05 pm
SEA
- KTM
1 stop26h 50m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,305
This Orbitz deal was found by Cheapflights users on 5/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/810:05 am
KTM
- SEA
3 stops47h 39m
Multiple Airlines
Mon 6/155:05 pm
SEA
- KTM
1 stop27h 00m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$1,322
This Qatar Airways deal was found by Cheapflights users on 5/5. 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 05m
Multiple Airlines
Fri 6/264:25 pm
SEA
- KTM
1 stop27h 40m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,308
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 May 9, 2026.
Search for one-way flight options from Kathmandu to Seattle. Find affordable one-way fares based on user searches. Data last updated May 9, 2026.
This oojo deal was found by Cheapflights users on 5/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:30 am
KTM
- SEA
3 stops41h 30m
Air India
Deal found 5/8![Air India logo]()
$706
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 5/4![Multiple Airlines logo]()
$721
This FlightHub deal was found by Cheapflights users on 5/5. 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.
Sun 6/710:05 am
KTM
- SEA
3 stops46h 39m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$722
This Justfly.com deal was found by Cheapflights users on 5/5. 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.
Fri 6/52:40 pm
KTM
- SEA
3 stops43h 04m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$756
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:40 pm
KTM
- SEA
3 stops42h 42m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$758
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 5/4![Multiple Airlines logo]()
$778
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 6/1410:35 pm
KTM
- SEA
2 stops29h 25m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$780
This Qatar Airways deal was found by Cheapflights users on 5/8. 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.
Sun 6/147:10 pm
KTM
- SEA
1 stop32h 20m
Qatar Airways
Deal found 5/8![Qatar Airways logo]()
$791
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 8/309:10 pm
KTM
- SEA
3 stops32h 10m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$801
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 7/211:25 pm
KTM
- SEA
2 stops40h 19m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$817
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 May 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,305 (Qatar Airways) |
One-way from | $706 (oojo) |
Popular in | August |
Cheapest in | February |
Average price | $1,576 |
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 May 9, 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
Fri 6/5
7:10 pm-2:45 pm
1 stop32h 20m
Seattle/Tacoma Intl
Fri 6/12
5:05 pm-8:40 am
1 stop26h 50m
$1,305
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Fri 6/19
10:05 am-12:25 pm
1 stop39h 05m
Seattle/Tacoma Intl
Fri 6/26
4:25 pm-8:50 am
1 stop27h 40m
$1,308
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Tue 6/2
7:10 pm-2:45 pm
1 stop32h 20m
Seattle/Tacoma Intl
Mon 6/15
12:38 pm-4:45 pm
2 stops39h 22m
$1,423
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Tue 6/2
7:10 pm-2:45 pm
1 stop32h 20m
Seattle/Tacoma Intl
Wed 6/17
10:03 am-8:50 am
2 stops34h 02m
$1,423
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Wed 9/30
11:10 pm-7:42 pm
3 stops33h 17m
Seattle/Tacoma Intl
Sat 10/31
3:20 pm-9:40 pm
2 stops41h 35m
$1,497
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Sun 7/26
12:35 am-1:25 pm
1 stop25h 35m
Seattle/Tacoma Intl
Thu 10/8
5:15 pm-6:10 pm
2 stops60h 10m
$1,520
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Sun 6/21
1:25 pm-1:25 pm
2 stops36h 45m
Seattle/Tacoma Intl
Sun 6/28
5:15 pm-6:10 pm
2 stops36h 10m
$1,542
Quickest round-trip
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Tue 6/2
12:35 am-1:25 pm
1 stop25h 35m
Seattle/Tacoma Intl
Wed 6/17
5:15 pm-8:05 am
1 stop26h 05m
$1,641
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Wed 6/3
12:35 am-1:25 pm
1 stop25h 35m
Seattle/Tacoma Intl
Fri 6/19
5:15 pm-8:05 am
1 stop26h 05m
$1,690
Cheapest one-way
KathmanduSeattle
KTM - SEA
KTMSEA
Kathmandu Tribhuvan
Mon 6/15
6:30 am-11:15 am
3 stops41h 30m
$706
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 May.
| 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 May 9, 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.
Crew
8.6
Entertainment
8.0
Food
7.8
Overall
8.2
Comfort
8.0
Boarding
8.3
Reviews
1 / 20
10.0
ExcellentJuliet,Oct 2025
PUS - SIN
Crew
8.6
Entertainment
8.0
Food
7.8
Overall
8.2
Comfort
8.0
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
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Kirkland
Issaquah
Shoreline
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Kathmandu and Seattle flights
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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 May 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,106 | Average$1,288 | FlexibilityNo cancel fee | On-time81% |