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$862+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SEA
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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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 December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,156
(Trip.com)

One-way from

$862
(Mytrip)

Popular in

November

Cheapest in

June

Average price

$1,813
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 December 2024
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Find flight deals from Kathmandu to Seattle

Best flights from Kathmandu to Seattle
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 December 18, 2024.

This Trip.com deal was found by Cheapflights users on 12/18. 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.
Fri 2/213:00 pmKTM - SEA
2 stops33h 40mMultiple Airlines
Sat 3/812:45 pmSEA - KTM
2 stops35h 30mMultiple Airlines
Deal found 12/18$1,156
This Expedia deal was found by Cheapflights users on 12/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/217:20 pmKTM - SEA
1 stop27h 25mKorean Air
Sat 3/811:00 amSEA - KTM
1 stop40h 45mKorean Air
Deal found 12/18$1,208
This oojo deal was found by Cheapflights users on 12/17. 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 3/2011:45 amKTM - SEA
1 stop37h 40mQatar Airways
Tue 4/17:59 pmSEA - KTM
2 stops56h 01mQatar Airways
Deal found 12/17$1,407
This oojo deal was found by Cheapflights users on 12/17. 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 3/2012:25 pmKTM - SEA
1 stop42h 25mTurkish Airlines
Tue 4/17:05 pmSEA - KTM
1 stop22h 10mTurkish Airlines
Deal found 12/17$1,452
This oojo deal was found by Cheapflights users on 12/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/229:10 pmKTM - SEA
1 stop23h 45mSingapore Airlines
Sat 3/88:40 amSEA - KTM
1 stop69h 45mSingapore Airlines
Deal found 12/18$1,458
This oojo deal was found by Cheapflights users on 12/17. 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 2/24:45 pmKTM - SEA
1 stop33h 35mEmirates
Wed 6/185:15 pmSEA - KTM
1 stop27h 00mEmirates
Deal found 12/17$1,603
This KLM deal was found by Cheapflights users on 12/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/44:40 pmKTM - SEA
2 stops32h 51mKLM
Tue 7/15:30 pmSEA - KTM
2 stops27h 35mKLM
Deal found 12/18$1,752
This Cathay Pacific deal was found by Cheapflights users on 12/18. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2611:20 pmKTM - SEA
2 stops35h 22mCathay Pacific
Wed 9/178:00 pmSEA - KTM
2 stops37h 25mCathay Pacific
Deal found 12/18$4,275

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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Fri 2/21

3:00 pm-10:55 am

2 stops33h 40m

Seattle/Tacoma Intl

Sat 3/8

12:45 pm-2:00 pm

2 stops35h 30m

$1,156

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Fri 2/21

7:20 pm-9:00 am

1 stop27h 25m

Seattle/Tacoma Intl

Sat 3/8

11:00 am-5:30 pm

1 stop40h 45m

$1,208

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Thu 3/20

11:45 am-12:40 pm

1 stop37h 40m

Seattle/Tacoma Intl

Tue 4/1

7:59 pm-4:45 pm

2 stops56h 01m

$1,407

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Thu 3/20

12:25 pm-6:05 pm

1 stop42h 25m

Seattle/Tacoma Intl

Tue 4/1

7:05 pm-6:00 am

1 stop22h 10m

$1,452

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Sat 2/22

9:10 pm-7:10 am

1 stop23h 45m

Seattle/Tacoma Intl

Sat 3/8

8:40 am-8:10 pm

1 stop69h 45m

$1,458

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Sun 2/2

4:45 pm-12:35 pm

1 stop33h 35m

Seattle/Tacoma Intl

Wed 6/18

5:15 pm-9:00 am

1 stop27h 00m

$1,603

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Tue 2/4

4:40 pm-11:46 am

2 stops32h 51m

Seattle/Tacoma Intl

Tue 7/1

5:30 pm-9:50 am

2 stops27h 35m

$1,752

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Sat 4/26

11:20 pm-9:57 pm

2 stops35h 22m

Seattle/Tacoma Intl

Wed 9/17

8:00 pm-10:10 pm

2 stops37h 25m

$4,275

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Tue 4/1

1:30 pm-10:50 am

2 stops34h 05m

$862

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Wed 1/22

7:20 pm-9:00 am

1 stop27h 25m

$917

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 16 results
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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 December.
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*2 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
PricelinePrice 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.

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 December 18, 2024.

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 December 18, 2024.
Korean Air
8.4
Very good
1,018 reviews

Food

8.1

Entertainment

8.2

Crew

8.7

Overall

8.4

Boarding

8.5

Comfort

8.3

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
8.4
Very good
1,018 reviews
Korean Air
8.4
Very good
1,018 reviews

Food

8.1

Entertainment

8.2

Crew

8.7

Overall

8.4

Boarding

8.5

Comfort

8.3

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
3,412 reviews
Korean Air
8.4
Very good
1,018 reviews

Food

8.1

Entertainment

8.2

Crew

8.7

Overall

8.4

Boarding

8.5

Comfort

8.3

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
1,329 reviews
Korean Air
8.4
Very good
1,018 reviews

Food

8.1

Entertainment

8.2

Crew

8.7

Overall

8.4

Boarding

8.5

Comfort

8.3

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.

KLM
7.8
Good
1,349 reviews
Korean Air
8.4
Very good
1,018 reviews

Food

8.1

Entertainment

8.2

Crew

8.7

Overall

8.4

Boarding

8.5

Comfort

8.3

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.

Cathay Pacific
7.5
Good
841 reviews
Korean Air
8.4
Very good
1,018 reviews

Food

8.1

Entertainment

8.2

Crew

8.7

Overall

8.4

Boarding

8.5

Comfort

8.3

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?

    Korean Air, at $1,208, was found to be the cheapest airline from Kathmandu to Seattle.Alternate airlines to your destination round-trip include Qatar Airways and Turkish Airlines. Users have found that Korean Air is 31% 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 $917 on Korean Air. Other airlines that offer cheap prices include Turkish Airlines from $918 and Qatar Airways from $955 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

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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 4 airlines flying from Kathmandu to Seattle

Discover the top 4 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,056Average$1,880FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$1,271Average$1,343FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,452Average$1,850FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,601Average$1,750FlexibilityNo cancel feeOn-time75%
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