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$859+ 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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SEA
Jan 25 — Feb 11
Sat 1/25
Sat 2/1
1 adult, Economy
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The best prices from Kathmandu Tribhuvan to Seattle/Tacoma Intl are usually found in October or April, booked 77 days in advance, depart on a Saturday or Tuesday and return on a Sunday

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 January 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,382
(oojo)

One-way from

$859
(Trip.com)

Popular in

November

Cheapest in

October

Average price

$1,764
Provider with most accurate pricing for Kathmandu Tribhuvan-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Kathmandu Tribhuvan-Seattle/Tacoma Intl flights.
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From Kathmandu Tribhuvan to Seattle/Tacoma Intl
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One-way flight from Kathmandu Tribhuvan to Seattle/Tacoma Intl
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High demand for flights, 3% potential price rise
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Best time to find cheap flights, 1% potential price drop
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Average for round-trip flights in January 2025
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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 January 20, 2025.

This oojo deal was found by Cheapflights users on 1/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/511:45 amKTM - SEA
2 stops43h 55mQatar Airways
Wed 3/125:05 pmSEA - KTM
1 stop34h 55mQatar Airways
Deal found 1/19$1,382
This oojo deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1711:00 pmKTM - SEA
1 stop46h 30mSingapore Airlines
Sat 7/1210:15 amSEA - KTM
1 stop22h 45mSingapore Airlines
Deal found 1/20$1,389
This Trip.com deal was found by Cheapflights users on 1/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1612:25 amKTM - SEA
2 stops47h 10mMultiple Airlines
Sat 7/121:00 pmSEA - KTM
2 stops34h 40mMultiple Airlines
Deal found 1/20$1,453
This Air France deal was found by Cheapflights users on 1/19. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/224:40 pmKTM - SEA
2 stops32h 56mKLM
Wed 6/116:45 pmSEA - KTM
2 stops50h 20mKLM
Deal found 1/19$1,585
This Yatra.com deal was found by Cheapflights users on 1/19. 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 Yatra.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/2612:25 pmKTM - SEA
1 stop42h 25mTurkish Airlines
Sun 2/27:00 pmSEA - KTM
1 stop26h 15mTurkish Airlines
Deal found 1/19$1,605
This Emirates deal was found by Cheapflights users on 1/19. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/225:05 pmKTM - SEA
1 stop33h 15mEmirates
Wed 7/95:15 pmSEA - KTM
1 stop42h 10mEmirates
Deal found 1/19$1,611

Find flights from Kathmandu to Seattle within your budget

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 January 20, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Wed 3/5

11:45 am-5:55 pm

2 stops43h 55m

Seattle/Tacoma Intl

Wed 3/12

5:05 pm-4:45 pm

1 stop34h 55m

$1,382

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Thu 4/17

11:00 pm-8:45 am

1 stop46h 30m

Seattle/Tacoma Intl

Sat 7/12

10:15 am-9:45 pm

1 stop22h 45m

$1,389

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Wed 4/16

12:25 am-10:50 am

2 stops47h 10m

Seattle/Tacoma Intl

Sat 7/12

1:00 pm-12:25 pm

2 stops34h 40m

$1,453

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Sun 2/2

9:20 am-12:35 pm

1 stop41h 00m

Seattle/Tacoma Intl

Wed 6/18

5:15 pm-12:10 am

1 stop42h 10m

$1,611

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Thu 4/17

12:25 am-4:10 pm

2 stops28h 30m

$859

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Fri 4/18

7:25 am-5:10 pm

1 stop22h 30m

$884

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Mon 2/17

7:20 pm-9:00 am

1 stop27h 25m

$906

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Fri 4/18

11:00 pm-8:45 am

1 stop46h 30m

$937

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Mon 2/17

12:00 pm-11:24 pm

2 stops25h 09m

$958

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Wed 4/16

10:00 am-1:25 pm

1 stop40h 10m

$1,041

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

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 January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars
SmartFaresPrice Accuracy1 starTrust Score*3 stars

*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.

Travel insights for flights from Kathmandu to Seattle

Get recent, data-driven insights about flights from Kathmandu to Seattle including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Kathmandu to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Kathmandu to Seattle. Price data was last updated on January 17, 2025.

Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from Kathmandu to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Kathmandu to Seattle?

Currently, January is the cheapest month in which you can book a flight from Kathmandu to Seattle (average of $238). Flying from Kathmandu to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 January 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 33% on your trip compared to booking a flight at noon.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 January 20, 2025.
Korean Air
8.5
Very good
1,039 reviews

Overall

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,039 reviews
Korean Air
8.5
Very good
1,039 reviews

Overall

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Emirates
8.1
Very good
3,356 reviews
Korean Air
8.5
Very good
1,039 reviews

Overall

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Singapore Airlines
8.1
Very good
1,328 reviews
Korean Air
8.5
Very good
1,039 reviews

Overall

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Qatar Airways
7.5
Good
3,754 reviews
Korean Air
8.5
Very good
1,039 reviews

Overall

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

China Southern
7.4
Good
86 reviews
Korean Air
8.5
Very good
1,039 reviews

Overall

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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.

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

    Qatar Airways, at $1,382, was found to be the cheapest airline from Kathmandu to Seattle.Alternate airlines to your destination round-trip include Singapore Airlines and Emirates. Users have found that Qatar Airways is 21% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Kathmandu to Seattle one-way?

    One-way options have recently been found by users for as low as $884 on Turkish Airlines. Other airlines that offer cheap prices include Korean Air from $906 and Singapore Airlines from $937 one-way.

  • 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.

  • What is the cheapest month to book a flight from Kathmandu to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Kathmandu to Seattle (average of $238). Flying from Kathmandu to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
SeaTac
Tukwila
Renton
Tacoma
Lacey
Federal Way
Ocean Shores
Leavenworth
Olympia
Marysville
Centralia
Cle Elum
Mukilteo
Aberdeen
Lakewood
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale

Browse thousands of different options on Cheapflights for your next trip

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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 5 airlines flying from Kathmandu to Seattle

Discover the top 5 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 January 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$1,174Average$1,373FlexibilityNo cancel feeOn-time81%
Singapore AirlinesCheapest$1,194Average$1,651FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$1,311Average$1,360FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,439Average$1,849FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,601Average$1,750FlexibilityNo cancel feeOn-time75%
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