What is the cheapest airline that flies from Kathmandu Tribhuvan to Seattle/Tacoma Intl?

Turkish Airlines is the most popular carrier operating from Kathmandu Tribhuvan to Seattle/Tacoma Intl

When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Kathmandu Tribhuvan Airport to Seattle/Tacoma Intl Airport refresh daily.

How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Seattle/Tacoma Intl Airport?

There is 1 operator available for flights from Kathmandu Tribhuvan Airport to Seattle/Tacoma Intl Airport as of July 2026.

How old do you have to be to fly from Kathmandu Tribhuvan Airport to Seattle/Tacoma Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kathmandu Tribhuvan Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$700 Cheap Flights from Kathmandu to Seattle in 2026

Find the cheapest flights from Kathmandu to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:45 pm - 11:40 am

KTM

SEA

30h 40m

1 stop

8:00 am - 9:50 am

SEA

KTM

36h 05m

2 stops

$1,439Qatar Airways

Thu, Nov 19 - Thu, Nov 26

12:25 am - 6:10 pm

KTM

SEA

31h 30m

2 stops

12:10 am - 9:30 pm

SEA

KTM

31h 35m

2 stops

$1,498Multiple Airlines

Wed, Nov 18 - Wed, Nov 25

12:25 am - 10:20 am

KTM

SEA

22h 40m

2 stops

12:25 pm - 9:45 pm

SEA

KTM

20h 35m

1 stop

$1,577Multiple Airlines

Sun, Sep 13 - Mon, Sep 14

12:25 am - 5:30 pm

KTM

SEA

30h 50m

2 stops

12:10 am - 9:30 pm

SEA

KTM

31h 35m

2 stops

$1,602Multiple Airlines

Wed, Nov 18 - Thu, Nov 19

11:00 pm - 1:25 pm

KTM

SEA

27h 10m

1 stop

5:15 pm - 12:50 pm

SEA

KTM

30h 50m

2 stops

$1,605Multiple Airlines

Tue, Aug 4 - Tue, Aug 11

12:35 am - 1:25 pm

KTM

SEA

25h 35m

1 stop

5:15 pm - 6:55 pm

SEA

KTM

36h 55m

1 stop

$1,613Emirates

Sun, Sep 13 - Mon, Sep 14

11:00 pm - 1:25 pm

KTM

SEA

27h 10m

1 stop

5:15 pm - 9:45 am

SEA

KTM

27h 45m

1 stop

$1,630Multiple Airlines

Tue, Aug 4 - Tue, Aug 11

7:55 pm - 1:25 pm

KTM

SEA

30h 15m

1 stop

5:15 pm - 11:35 pm

SEA

KTM

41h 35m

1 stop

$1,664Emirates

Tue, Aug 4 - Mon, Aug 10

12:25 am - 8:05 pm

KTM

SEA

32h 25m

2 stops

1:55 am - 11:25 pm

SEA

KTM

32h 45m

2 stops

$1,668Multiple Airlines

Mon, Aug 3 - Sun, Aug 9

6:45 pm - 11:40 am

KTM

SEA

30h 40m

1 stop

3:50 pm - 9:50 am

SEA

KTM

28h 15m

1 stop

$1,698Qatar Airways

Thu, Nov 19 - Thu, Nov 26

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Qatar Airways flights from Kathmandu to Seattle

Our best Qatar Airways deals on Kathmandu to Seattle flight tickets

Qatar Airways

Nov 19

KTM6:45 pmKathmandu Tribhuvan

30h 40m

1 stop

SEA11:40 amSeattle/Tacoma Intl

Nov 26

SEA8:00 amSeattle/Tacoma Intl

36h 05m

2 stops

KTM9:50 amKathmandu Tribhuvan

$1,439

Qatar Airways

Nov 19

KTM6:45 pmKathmandu Tribhuvan

30h 40m

1 stop

SEA11:40 amSeattle/Tacoma Intl

Nov 26

SEA3:50 pmSeattle/Tacoma Intl

28h 15m

1 stop

KTM9:50 amKathmandu Tribhuvan

$1,698

Qatar Airways

Nov 19

KTM6:45 pmKathmandu Tribhuvan

30h 40m

1 stop

SEA11:40 amSeattle/Tacoma Intl

Nov 20

SEA5:55 pmSeattle/Tacoma Intl

50h 10m

2 stops

KTM9:50 amKathmandu Tribhuvan

$1,806

Emirates flights from Kathmandu to Seattle

Our best Emirates deals on Kathmandu to Seattle flight tickets

Emirates

Sep 13

KTM12:35 amKathmandu Tribhuvan

25h 35m

1 stop

SEA1:25 pmSeattle/Tacoma Intl

Sep 14

SEA5:15 pmSeattle/Tacoma Intl

36h 55m

1 stop

KTM6:55 pmKathmandu Tribhuvan

$1,613

Emirates

Aug 4

KTM7:55 pmKathmandu Tribhuvan

30h 15m

1 stop

SEA1:25 pmSeattle/Tacoma Intl

Aug 10

SEA5:15 pmSeattle/Tacoma Intl

41h 35m

1 stop

KTM11:35 pmKathmandu Tribhuvan

$1,664

Emirates

Nov 18

KTM12:45 amKathmandu Tribhuvan

25h 35m

1 stop

SEA12:35 pmSeattle/Tacoma Intl

Nov 20

SEA4:05 pmSeattle/Tacoma Intl

26h 30m

1 stop

KTM8:20 amKathmandu Tribhuvan

$1,895

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Thu 11/19

6:45 pm-11:40 am

1 stop30h 40m

Seattle/Tacoma Intl

Thu 11/26

8:00 am-9:50 am

2 stops36h 05m

$1,439

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Wed 11/18

12:25 am-6:10 pm

2 stops31h 30m

Seattle/Tacoma Intl

Wed 11/25

12:10 am-9:30 pm

2 stops31h 35m

$1,498

Quickest round-trip

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Sun 9/13

12:25 am-10:20 am

2 stops22h 40m

Seattle/Tacoma Intl

Mon 9/14

12:25 pm-9:45 pm

1 stop20h 35m

$1,577

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Wed 11/18

12:25 am-5:30 pm

2 stops30h 50m

Seattle/Tacoma Intl

Thu 11/19

12:10 am-9:30 pm

2 stops31h 35m

$1,602

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Tue 8/4

11:00 pm-1:25 pm

1 stop27h 10m

Seattle/Tacoma Intl

Tue 8/11

5:15 pm-12:50 pm

2 stops30h 50m

$1,605

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Sun 9/13

12:35 am-1:25 pm

1 stop25h 35m

Seattle/Tacoma Intl

Mon 9/14

5:15 pm-6:55 pm

1 stop36h 55m

$1,613

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Tue 8/4

11:00 pm-1:25 pm

1 stop27h 10m

Seattle/Tacoma Intl

Tue 8/11

5:15 pm-9:45 am

1 stop27h 45m

$1,630

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Tue 8/4

7:55 pm-1:25 pm

1 stop30h 15m

Seattle/Tacoma Intl

Mon 8/10

5:15 pm-11:35 pm

1 stop41h 35m

$1,664

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Mon 8/3

12:25 am-8:05 pm

2 stops32h 25m

Seattle/Tacoma Intl

Sun 8/9

1:55 am-11:25 pm

2 stops32h 45m

$1,668

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Thu 11/19

6:45 pm-11:40 am

1 stop30h 40m

Seattle/Tacoma Intl

Thu 11/26

3:50 pm-9:50 am

1 stop28h 15m

$1,698

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Kathmandu to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Seattle?

In general, October is the cheapest month to fly from Kathmandu to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you don’t want to visit Seattle in October, then you should wait until January to fly from Kathmandu, when ticket prices are also cheap, with an average price of $0.

Can stopping save me money on Kathmandu to Seattle flights?

You could potentially save up to 13% on your flight if you consider stops on a Kathmandu to Seattle flight.

How have Kathmandu to Seattle flight prices changed over time?

As of July 2026, prices for Kathmandu to Seattle flights are approximately 4% cheaper when compared to flights at the same time last year.

When to book flights from Kathmandu to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Kathmandu to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Kathmandu to Seattle (KTM to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kathmandu to Seattle

Fastest flight time	22h 05m
Direct flights	None

The fastest flight from Kathmandu to Seattle takes 22h 05m

There are no direct flights from Kathmandu to Seattle. There are no popular flight routes from Kathmandu to Seattle.

Search flight deals

Frequently asked questions about flying from Kathmandu to Seattle

How far is Kathmandu Tribhuvan to Seattle/Tacoma Intl by plane?
The distance between Kathmandu Tribhuvan and Seattle/Tacoma Intl is about 6950.3 mi. Flights usually cover this in 22h 05m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Kathmandu Tribhuvan Airport to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Seattle/Tacoma Intl Airport?
There is 1 operator available for flights from Kathmandu Tribhuvan Airport to Seattle/Tacoma Intl Airport as of July 2026.
How old do you have to be to fly from Kathmandu Tribhuvan Airport to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kathmandu Tribhuvan Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Kathmandu to Seattle?
Based on momondo bookings for flights between Kathmandu and Seattle, the leading airline is Singapore Airlines, making up 100% of the total bookings.

Best airlines flying from Kathmandu to Seattle

Compare and see reviews for airlines that fly from Kathmandu to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Singapore Airlines	PriceFrom $1,006	Free Cancellation	Rating 8.2 1,564 reviews		Search Singapore Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Redmond

Kent

Lakewood

Puyallup

Tukwila

Federal Way

Cle Elum

Marysville

Fife

Centralia

Kirkland

Shoreline

Lacey

Why use momondo?

Why should I use momondo to find a flight deal from Kathmandu to Seattle?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Kathmandu to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from Kathmandu to Seattle with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Kathmandu to Seattle flights to just show those with flexible booking policies.

How can momondo help me find flights from Kathmandu to Seattle?

momondo helps you find the best flight between Kathmandu and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Kathmandu to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Kathmandu to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.