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$547+ 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SEA
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
1 adult, Economy
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Find flight deals from Kathmandu to Seattle

Cheapest flights from Kathmandu to Seattle
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 20, 2025.

This Mytrip deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/112:25 amKTM - SEA
2 stops31h 30mMultiple Airlines
Mon 12/812:10 amSEA - KTM
2 stops33h 30mMultiple Airlines
Deal found 10/18$1,264
This Mytrip deal was found by Cheapflights users on 10/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:25 amKTM - SEA
2 stops30h 50mMultiple Airlines
Wed 12/1012:10 amSEA - KTM
2 stops33h 30mMultiple Airlines
Deal found 10/20$1,266
This Mytrip deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:25 amKTM - SEA
2 stops31h 30mMultiple Airlines
Tue 12/912:10 amSEA - KTM
3 stops32h 35mMultiple Airlines
Deal found 10/19$1,293
This Qatar Airways deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/309:10 amKTM - SEA
2 stops48h 10mQatar Airways
Mon 11/104:05 pmSEA - KTM
1 stop27h 55mQatar Airways
Deal found 10/18$1,312
This Qatar Airways deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/309:10 amKTM - SEA
2 stops48h 10mQatar Airways
Thu 11/134:05 pmSEA - KTM
1 stop36h 00mQatar Airways
Deal found 10/18$1,315
This Trip.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2810:55 amKTM - SEA
2 stops48h 06mMultiple Airlines
Tue 11/112:00 pmSEA - KTM
2 stops30h 10mMultiple Airlines
Deal found 10/18$1,332
This Qatar Airways deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/289:10 amKTM - SEA
1 stop40h 15mQatar Airways
Thu 11/138:05 amSEA - KTM
2 stops35h 55mQatar Airways
Deal found 10/18$1,338
This Qatar Airways deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2711:00 amKTM - SEA
1 stop38h 25mQatar Airways
Sun 11/96:25 amSEA - KTM
2 stops37h 35mQatar Airways
Deal found 10/18$1,350
This Qatar Airways deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/269:10 amKTM - SEA
1 stop40h 15mQatar Airways
Mon 11/108:05 amSEA - KTM
2 stops35h 55mQatar Airways
Deal found 10/18$1,352

Cheap 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 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,214
(oojo)

One-way from

$547
(Kiwi.com)

Popular in

November

Cheapest in

September
Provider with most accurate pricing for Kathmandu Tribhuvan-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kathmandu Tribhuvan-Seattle/Tacoma Intl flights.
Search Deals
From Kathmandu Tribhuvan to Seattle/Tacoma Intl
Search Deals
One-way flight from Kathmandu Tribhuvan to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($47 potential savings vs. average RT price).
Search Deals

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 October 20, 2025.
Use the filters below to find and compare flights from Kathmandu to Seattle that are best for you.

Fly from

Kathmandu

Fly to

Seattle

Route

Depart

Return

Price

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Mon 2/16

11:00 pm-7:10 am

1 stop21h 55m

Seattle/Tacoma Intl

Tue 3/31

10:15 am-9:45 pm

1 stop22h 45m

$1,215

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Sat 2/21

7:05 pm-11:40 am

1 stop30h 20m

Seattle/Tacoma Intl

Sat 3/7

7:00 am-7:55 am

2 stops35h 10m

$1,247

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Mon 12/1

12:25 am-6:10 pm

2 stops31h 30m

Seattle/Tacoma Intl

Mon 12/8

12:10 am-10:30 pm

3 stops32h 35m

$1,285

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Tue 12/2

12:25 am-6:10 pm

2 stops31h 30m

Seattle/Tacoma Intl

Tue 12/9

12:10 am-10:30 pm

3 stops32h 35m

$1,293

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Thu 10/30

9:10 am-8:35 pm

2 stops48h 10m

Seattle/Tacoma Intl

Mon 11/10

4:05 pm-9:45 am

1 stop27h 55m

$1,312

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Thu 10/30

11:00 am-8:35 pm

2 stops46h 20m

Seattle/Tacoma Intl

Tue 11/11

4:05 pm-7:55 am

1 stop26h 05m

$1,312

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Thu 10/30

9:10 am-8:35 pm

2 stops48h 10m

Seattle/Tacoma Intl

Thu 11/13

4:05 pm-5:50 pm

1 stop36h 00m

$1,315

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Mon 2/16

11:00 pm-1:52 pm

2 stops28h 37m

Seattle/Tacoma Intl

Tue 3/31

10:15 am-9:45 pm

1 stop22h 45m

$1,338

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Thu 10/30

11:00 am-12:40 pm

1 stop38h 25m

Seattle/Tacoma Intl

Sun 11/9

6:25 am-9:45 am

2 stops37h 35m

$1,350

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Tue 12/2

9:10 am-11:40 am

1 stop40h 15m

Seattle/Tacoma Intl

Tue 12/9

9:00 am-4:25 pm

2 stops41h 40m

$1,390

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/19

Showing 1-10 of 20 results
1
2

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.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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

What is the cheapest time of day to fly from KTM to SEA?

Find hourly flight availability from Kathmandu to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Kathmandu to Seattle in the morning. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight at noon.

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 20, 2025.
Peruse reviews from past customers who have flown with Emirates, Singapore Airlines, and Turkish 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.
Emirates
8.1
Very good
3,380 reviews

Boarding

8.1

Food

7.9

Comfort

8.0

Crew

8.3

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.
Emirates
8.1
Very good
3,380 reviews
Emirates
8.1
Very good
3,380 reviews

Boarding

8.1

Food

7.9

Comfort

8.0

Crew

8.3

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.
Singapore Airlines
8.1
Very good
1,383 reviews
Emirates
8.1
Very good
3,380 reviews

Boarding

8.1

Food

7.9

Comfort

8.0

Crew

8.3

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.
Turkish Airlines
7.3
Good
4,022 reviews
Emirates
8.1
Very good
3,380 reviews

Boarding

8.1

Food

7.9

Comfort

8.0

Crew

8.3

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.

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.

  • How long is the flight from Kathmandu to Seattle?

    For as low as $1,215, Singapore Airlines can have you in Seattle from Kathmandu in 21h 55m. There are 6962 mi between Kathmandu and Seattle. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Kathmandu to Seattle round-trip?

    Singapore Airlines, at $1,103, was found to be the cheapest airline from Kathmandu to Seattle.Alternate airlines to your destination round-trip include Turkish Airlines and Emirates. Users have found that Singapore Airlines is 32% cheaper than the other options available to this destination.

  • Can I find deals for flights from Kathmandu to Seattle that include hotel bookings?

    Yes. In addition to deals on Kathmandu to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kathmandu to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kathmandu to Seattle.

  • Can I find deals for business class flights from Kathmandu to Seattle?

    Yes. Cheapflights offers flight deals from Kathmandu to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Kathmandu to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Kathmandu to Portland flights
Kathmandu to Spokane flights

Top 3 airlines flying from Kathmandu to Seattle

Discover the top 3 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 October 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,103Average$1,522FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$1,313Average$1,458FlexibilityNo cancel feeOn-time77%
EmiratesCheapest$1,717Average$1,735FlexibilityNo cancel feeOn-time75%

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