How long is the flight from Seattle to Kathmandu?

Airlines like Turkish Airlines and Qatar Airways fly from Seattle to Kathmandu in about 26h 30m. The time it takes to get you to your destination can typically vary by up to 15m. There are 11204 km between Seattle and Kathmandu. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in Kathmandu ranges from 0.0 - 370.0 inches per month. July is typically the wettest month, when rainfall can reach 370.0 mm. November is typically the driest time to visit Kathmandu when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Kathmandu, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 10.0 C).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Kathmandu as you normally would.

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

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

How can I find direct flights from Seattle to Kathmandu?

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

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

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

₹ 93,012+ Cheap Flights from Seattle to Kathmandu

Cheap flight deals from Seattle to Kathmandu

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Seattle to Kathmandu
Explore the most affordable flight options available from Seattle to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2026.

Wed 30/1208:40 -

1 stop23h 25m

Wed 3/222:55 -

2 stops33h 55m

Deal found 5/10₹ 112,736

Tue 20/1016:25 -

1 stop33h 05m

Mon 9/1111:05 -

2 stops44h 01m

Deal found 6/10₹ 116,120

Mon 19/1016:25 -

1 stop35h 05m

Sun 8/1119:00 -

2 stops36h 06m

Deal found 6/10₹ 120,277

Mon 19/1016:25 -

1 stop36h 35m

Mon 9/1119:00 -

2 stops36h 06m

Deal found 8/10₹ 122,501

Mon 19/1016:25 -

1 stop35h 05m

Tue 10/1119:00 -

2 stops39h 44m

Deal found 6/10₹ 126,272

Tue 20/1011:54 -

2 stops37h 36m

Sun 8/1119:00 -

2 stops38h 39m

Deal found 6/10₹ 128,689

Find flight deals from Seattle to Kathmandu

Round-trip from	₹ 112,736
One-way from	₹ 93,012
Popular in	July
Cheapest in	September
Average price	₹ 117,280

30/12-3/2
3 total stops
57h 20m total
Seattle to Kathmandu

Search Deals

Turkish Airlines
11/11-31/12
1 total stop
26h 30m total
Seattle to Kathmandu

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (₹ 1,338,984 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (₹ 230,037 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleKathmandu

SEA Seattle/Tacoma Intl - KTM Kathmandu Tribhuvan

SEAKTM

Seattle/Tacoma Intl

Wed 11/11

19:05-11:20

1 stop26h 30m

Kathmandu Tribhuvan

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 93,012

SeattleKathmandu

SEA Seattle/Tacoma Intl - KTM Kathmandu Tribhuvan

SEAKTM

Seattle/Tacoma Intl

Sun 18/10

19:36-14:15

2 stops53h 54m

Kathmandu Tribhuvan

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 96,686

SeattleKathmandu

SEA Seattle/Tacoma Intl - KTM Kathmandu Tribhuvan

SEAKTM

Seattle/Tacoma Intl

Sat 24/10

20:05-11:20

1 stop26h 30m

Kathmandu Tribhuvan

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 96,879

SeattleKathmandu

SEA Seattle/Tacoma Intl - KTM Kathmandu Tribhuvan

SEAKTM

Seattle/Tacoma Intl

Sat 24/10

06:39-16:15

2 stops44h 51m

Kathmandu Tribhuvan

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 99,200

SeattleKathmandu

SEA Seattle/Tacoma Intl - KTM Kathmandu Tribhuvan

SEAKTM

Seattle/Tacoma Intl

Tue 3/11

16:59-21:30

2 stops38h 46m

Kathmandu Tribhuvan

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 103,744

SeattleKathmandu

SEA Seattle/Tacoma Intl - KTM Kathmandu Tribhuvan

SEAKTM

Seattle/Tacoma Intl

Sun 7/2

09:05-16:15

2 stops41h 25m

Kathmandu Tribhuvan

Thu 11/2

17:30-11:40

1 stop31h 55m

₹ 138,164

SeattleKathmandu

SEA Seattle/Tacoma Intl - KTM Kathmandu Tribhuvan

SEAKTM

Seattle/Tacoma Intl

Sun 8/11

12:30-17:00

1 stop38h 45m

Kathmandu Tribhuvan

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 140,968

SeattleKathmandu

SEA Seattle/Tacoma Intl - KTM Kathmandu Tribhuvan

SEAKTM

Seattle/Tacoma Intl

Mon 4/1

15:50-08:20

1 stop26h 45m

Kathmandu Tribhuvan

Sun 7/2

17:30-21:26

2 stops41h 41m

₹ 141,838

SeattleKathmandu

SEA Seattle/Tacoma Intl - KTM Kathmandu Tribhuvan

SEAKTM

Seattle/Tacoma Intl

Sat 26/12

19:05-11:20

1 stop26h 30m

Kathmandu Tribhuvan

Tue 2/2

12:45-17:10

1 stop42h 10m

₹ 147,833

SeattleKathmandu

SEA Seattle/Tacoma Intl - KTM Kathmandu Tribhuvan

SEAKTM

Seattle/Tacoma Intl

Sun 3/1

15:50-08:20

1 stop26h 45m

Kathmandu Tribhuvan

Wed 10/2

19:00-17:47

2 stops36h 32m

₹ 149,960

Flights are sorted by cheapest return flights first.

Deals found on 9/10

Showing 1-10 of 19 resultsSorted by cheapest first

Best time to book a flight from Seattle to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Seattle with our price prediction graph.

SEA-KTM

Estimated return 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 Seattle to Kathmandu

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

Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Kathmandu. 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 Seattle to Kathmandu?

Currently, September is the cheapest month in which you can book a flight from Seattle to Kathmandu (average of ₹ 97,266). Flying from Seattle to Kathmandu in July is currently the most expensive (average of ₹ 147,060). 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.

How much does it cost for a return flight from Seattle to Kathmandu?

Airfare is typical for this route at the moment.

Seattle to Kathmandu flights typically cost between ₹ 107,322 and ₹ 133,620 in December.
The cheapest return price found within the last 5 days was ₹ 112,736 on Multiple Airlines (30 Dec–3 Feb).

Related info for your journey

How long is the flight from Seattle to Kathmandu?
Airlines like Turkish Airlines and Qatar Airways fly from Seattle to Kathmandu in about 26h 30m. The time it takes to get you to your destination can typically vary by up to 15m. There are 11204 km between Seattle and Kathmandu. Both multi-stop and direct flights can be found to your destination and back.
Can I find deals for flights from Seattle to Kathmandu that include hotel bookings?
Yes. In addition to deals on Seattle to Kathmandu flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Seattle to Kathmandu?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Kathmandu.
Can I find deals for business class flights from Seattle to Kathmandu?
Yes. Cheapflights offers flight deals from Seattle to Kathmandu 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 Seattle to Kathmandu?
Currently, September is the cheapest month in which you can book a flight from Seattle to Kathmandu (average of ₹ 97,266). Flying from Seattle to Kathmandu in July is currently the most expensive (average of ₹ 147,060). 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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Why should you use Cheapflights to find cheap flight tickets from Seattle to Kathmandu?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Kathmandu from Seattle.

Can Cheapflights find flights from Seattle to Kathmandu with no change fees?

Need flexible booking options for your flight to Kathmandu from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Cheap flights from Seattle to Kathmandu from ₹ 93,012

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Seattle to Kathmandu

Cheapest flights from Seattle to KathmanduExplore the most affordable flight options available from Seattle to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2026.

Explore the most affordable flight options available from Seattle to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2026.

Best flights from Seattle to KathmanduDiscover carefully curated flight deals from Seattle to Kathmandu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Discover carefully curated flight deals from Seattle to Kathmandu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Last-minute flights from Seattle to KathmanduDiscover last-minute flight deals from Seattle to Kathmandu. Data last updated 10 October 2026 and is based on user searches.

Discover last-minute flight deals from Seattle to Kathmandu. Data last updated 10 October 2026 and is based on user searches.

One-way flights from Seattle to KathmanduSearch for one-way flight options from Seattle to Kathmandu. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

Search for one-way flight options from Seattle to Kathmandu. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

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

Best time to book a flight from Seattle to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Seattle with our price prediction graph.

Cheapflights Insights

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

Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Kathmandu. 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 Seattle to Kathmandu?

How much does it cost for a return flight from Seattle to Kathmandu?

Airfare is typical for this route at the moment.

Seattle to Kathmandu flights typically cost between ₹ 107,322 and ₹ 133,620 in December.The cheapest return price found within the last 5 days was ₹ 112,736 on Multiple Airlines (30 Dec–3 Feb).

Related info for your journey

How long is the flight from Seattle to Kathmandu?

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

How can I find direct flights from Seattle to Kathmandu?

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

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

Travelling to a place near Kathmandu?

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Other flights to Kathmandu

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How does Cheapflights help users find flights from Seattle to Kathmandu?

Why should you use Cheapflights to find cheap flight tickets from Seattle to Kathmandu?

Can Cheapflights find flights from Seattle to Kathmandu with no change fees?

Can Cheapflights notify me if prices for flights from Seattle to Kathmandu become cheaper?

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Cheapest flights from Seattle to Kathmandu
Explore the most affordable flight options available from Seattle to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2026.

Best flights from Seattle to Kathmandu
Discover carefully curated flight deals from Seattle to Kathmandu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Last-minute flights from Seattle to Kathmandu
Discover last-minute flight deals from Seattle to Kathmandu. Data last updated 10 October 2026 and is based on user searches.

One-way flights from Seattle to Kathmandu
Search for one-way flight options from Seattle to Kathmandu. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

Seattle to Kathmandu flights typically cost between ₹ 107,322 and ₹ 133,620 in December.
The cheapest return price found within the last 5 days was ₹ 112,736 on Multiple Airlines (30 Dec–3 Feb).