How long is the flight from Kathmandu to Seattle?

Airlines like Korean Air, Emirates, and Qatar Airways fly from Kathmandu to Seattle in about 27h 25m. The time it takes to get you to your destination can typically vary by up to 8h 55m. The distance from Kathmandu to Seattle is about 11204 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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

When flying from Kathmandu to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 holiday 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.

₹ 81,995+ Cheap Flights from Kathmandu to Seattle

Cheap flight deals from Kathmandu to Seattle

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 9 November 2026.

Tue 22/1219:25 -

1 stop27h 25m

Sun 14/312:00 -

1 stop40h 15m

Deal found 5/11₹ 114,435

Tue 22/1219:25 -

1 stop27h 25m

Sun 31/111:00 -

1 stop40h 15m

Deal found 6/11₹ 114,623

Fri 18/1219:25 -

1 stop27h 25m

Sun 31/111:00 -

1 stop40h 15m

Deal found 6/11₹ 128,916

Fri 4/1215:50 -

1 stop33h 35m

Sat 30/115:50 -

1 stop26h 45m

Deal found 6/11₹ 137,943

Fri 4/1215:50 -

1 stop33h 35m

Sun 31/115:50 -

1 stop36h 10m

Deal found 6/11₹ 138,225

Fri 4/1215:50 -

1 stop33h 35m

Mon 1/211:25 -

2 stops39h 05m

Deal found 6/11₹ 140,200

Fri 4/1215:50 -

1 stop33h 35m

Fri 29/117:46 -

2 stops56h 44m

Deal found 6/11₹ 141,328

Tue 8/1219:25 -

1 stop27h 25m

Sun 31/111:00 -

1 stop40h 15m

Deal found 6/11₹ 141,892

Sat 12/1217:30 -

1 stop31h 55m

Sat 30/115:50 -

1 stop26h 45m

Deal found 6/11₹ 145,842

Sat 12/1217:30 -

1 stop31h 55m

Fri 29/115:50 -

1 stop36h 10m

Deal found 6/11₹ 146,124

Sun 20/1209:35 -

1 stop39h 50m

Fri 29/115:50 -

1 stop34h 40m

Deal found 6/11₹ 146,312

Find flight deals from Kathmandu to Seattle

Round-trip from	₹ 114,435
One-way from	₹ 81,995
Popular in	November
Cheapest in	September
Average price	₹ 164,083

Korean Air
22/12-14/3
2 total stops
67h 40m total
Kathmandu to Seattle

Search Deals

Qatar Airways
21/11-31/12
1 total stop
40h 25m total
Kathmandu to Seattle

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (₹ 354,136 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (₹ 319,029 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

KathmanduSeattle

KTM Kathmandu Tribhuvan - SEA Seattle/Tacoma Intl

KTMSEA

Kathmandu Tribhuvan

Sat 21/11

09:35-12:15

1 stop40h 25m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 81,995

KathmanduSeattle

KTM Kathmandu Tribhuvan - SEA Seattle/Tacoma Intl

KTMSEA

Kathmandu Tribhuvan

Sun 13/12

12:45-17:10

1 stop42h 10m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 86,696

KathmanduSeattle

KTM Kathmandu Tribhuvan - SEA Seattle/Tacoma Intl

KTMSEA

Kathmandu Tribhuvan

Fri 20/11

15:50-12:15

1 stop34h 10m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 86,696

Fastest return journey

KathmanduSeattle

KTM Kathmandu Tribhuvan - SEA Seattle/Tacoma Intl

KTMSEA

Kathmandu Tribhuvan

Wed 16/12

22:45-08:45

1 stop23h 45m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 105,408

KathmanduSeattle

KTM Kathmandu Tribhuvan - SEA Seattle/Tacoma Intl

KTMSEA

Kathmandu Tribhuvan

Mon 16/11

22:45-08:45

1 stop23h 45m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 108,323

KathmanduSeattle

KTM Kathmandu Tribhuvan - SEA Seattle/Tacoma Intl

KTMSEA

Kathmandu Tribhuvan

Tue 22/12

19:25-09:05

1 stop27h 25m

Seattle/Tacoma Intl

Sun 14/3

12:00-17:00

1 stop40h 15m

₹ 114,435

KathmanduSeattle

KTM Kathmandu Tribhuvan - SEA Seattle/Tacoma Intl

KTMSEA

Kathmandu Tribhuvan

Mon 22/3

22:55-20:31

3 stops34h 21m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 122,428

KathmanduSeattle

KTM Kathmandu Tribhuvan - SEA Seattle/Tacoma Intl

KTMSEA

Kathmandu Tribhuvan

Wed 23/12

15:00-13:35

1 stop36h 20m

Seattle/Tacoma Intl

Wed 27/1

16:05-08:20

1 stop26h 30m

₹ 162,955

KathmanduSeattle

KTM Kathmandu Tribhuvan - SEA Seattle/Tacoma Intl

KTMSEA

Kathmandu Tribhuvan

Tue 22/12

17:30-11:40

1 stop31h 55m

Seattle/Tacoma Intl

Thu 28/1

07:30-16:15

2 stops43h 00m

₹ 165,682

KathmanduSeattle

KTM Kathmandu Tribhuvan - SEA Seattle/Tacoma Intl

KTMSEA

Kathmandu Tribhuvan

Sat 19/12

22:45-19:03

2 stops34h 03m

Seattle/Tacoma Intl

Sat 26/12

10:25-21:30

1 stop21h 20m

₹ 181,009

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Showing 1-10 of 17 resultsSorted by cheapest first

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 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.

Related info for your journey

How long is the flight from Kathmandu to Seattle?
Airlines like Korean Air, Emirates, and Qatar Airways fly from Kathmandu to Seattle in about 27h 25m. The time it takes to get you to your destination can typically vary by up to 8h 55m. The distance from Kathmandu to Seattle is about 11204 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
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 holiday 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.

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Cheap flights from Kathmandu to Seattle from ₹ 81,995

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Kathmandu to Seattle

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 9 November 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 9 November 2026.

Best flights from Kathmandu to SeattleDiscover carefully curated flight deals from Kathmandu to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.

Discover carefully curated flight deals from Kathmandu to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.

Last-minute flights from Kathmandu to SeattleDiscover last-minute flight deals from Kathmandu to Seattle. Data last updated 9 November 2026 and is based on user searches.

Discover last-minute flight deals from Kathmandu to Seattle. Data last updated 9 November 2026 and is based on user searches.

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 9 November 2026.

Search for one-way flight options from Kathmandu to Seattle. Find affordable one-way fares based on user searches. Data last updated 9 November 2026.

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Best time to book a flight from Kathmandu to Seattle

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Related info for your journey

How long is the flight from Kathmandu to Seattle?

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

How can I find direct flights from Kathmandu to Seattle?

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

Browse thousands of different options on Cheapflights for your next trip

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Kathmandu and Seattle flights

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

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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 9 November 2026.

Best flights from Kathmandu to Seattle
Discover carefully curated flight deals from Kathmandu to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.

Last-minute flights from Kathmandu to Seattle
Discover last-minute flight deals from Kathmandu to Seattle. Data last updated 9 November 2026 and is based on user searches.

One-way flights from Kathmandu to Seattle
Search for one-way flight options from Kathmandu to Seattle. Find affordable one-way fares based on user searches. Data last updated 9 November 2026.