What is the cheapest airline that flies from Kathmandu Tribhuvan to Washington?

Qatar Airways is the most popular carrier operating from Kathmandu Tribhuvan to Washington

When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Washington?

Prices for flights from Kathmandu Tribhuvan Airport to Washington refresh daily.

How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Washington?

As of March 2026, there are 2 operators available to choose from for flights from Kathmandu Tribhuvan Airport to Washington.

How old do you have to be to fly from Kathmandu Tribhuvan Airport to Washington?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kathmandu Tribhuvan Airport to Washington.

What documentation or ID do you need to fly to Washington?

The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$620 Cheap Flights from Kathmandu to Washington in 2026

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Find the cheapest flights from Kathmandu to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:50 am - 2:25 pm

KTM

SEA

40h 20m

2 stops

10:15 am - 9:30 pm

SEA

KTM

22h 30m

1 stop

$1,198Multiple Airlines

Wed, Jun 10 - Thu, Sep 10

6:00 pm - 12:55 pm

KTM

SEA

31h 40m

1 stop

4:25 pm - 9:50 am

SEA

KTM

28h 40m

1 stop

$1,272Qatar Airways

Mon, Apr 6 - Mon, Oct 5

6:15 pm - 12:45 pm

KTM

SEA

31h 15m

1 stop

4:30 pm - 5:00 pm

SEA

KTM

35h 45m

1 stop

$1,274Qatar Airways

Tue, Apr 14 - Sat, Apr 25

6:15 pm - 12:45 pm

KTM

SEA

31h 15m

1 stop

4:30 pm - 5:00 pm

SEA

KTM

35h 45m

1 stop

$1,275Qatar Airways

Tue, May 5 - Wed, May 13

6:15 pm - 12:45 pm

KTM

SEA

31h 15m

1 stop

4:30 pm - 5:00 pm

SEA

KTM

35h 45m

1 stop

$1,277Qatar Airways

Wed, Apr 15 - Sat, Apr 25

6:00 pm - 12:55 pm

KTM

SEA

31h 40m

1 stop

4:25 pm - 9:50 am

SEA

KTM

28h 40m

1 stop

$1,278Qatar Airways

Tue, Apr 7 - Mon, Oct 5

6:15 pm - 12:45 pm

KTM

SEA

31h 15m

1 stop

4:30 pm - 5:00 pm

SEA

KTM

35h 45m

1 stop

$1,280Qatar Airways

Mon, Apr 13 - Sat, Apr 25

6:15 pm - 12:45 pm

KTM

SEA

31h 15m

1 stop

4:30 pm - 7:55 am

SEA

KTM

26h 40m

1 stop

$1,283Qatar Airways

Tue, May 5 - Tue, May 12

10:55 am - 12:45 pm

KTM

SEA

38h 35m

1 stop

4:30 pm - 7:55 am

SEA

KTM

26h 40m

1 stop

$1,285Qatar Airways

Mon, May 4 - Tue, May 12

6:15 pm - 6:40 pm

KTM

PDX

37h 10m

2 stops

1:52 pm - 5:00 pm

PDX

KTM

38h 23m

2 stops

$1,512Multiple Airlines

Fri, Apr 17 - Fri, Apr 24

Qatar Airways flights from Kathmandu to State of Washington

Our best Qatar Airways deals on Kathmandu to State of Washington flight tickets

Qatar Airways

Apr 6

KTM6:00 pmKathmandu Tribhuvan

31h 40m

1 stop

SEA12:55 pmSeattle/Tacoma Intl

Oct 5

SEA4:25 pmSeattle/Tacoma Intl

28h 40m

1 stop

KTM9:50 amKathmandu Tribhuvan

$1,272

Qatar Airways

Apr 14

KTM6:15 pmKathmandu Tribhuvan

31h 15m

1 stop

SEA12:45 pmSeattle/Tacoma Intl

Apr 25

SEA4:30 pmSeattle/Tacoma Intl

35h 45m

1 stop

KTM5:00 pmKathmandu Tribhuvan

$1,274

Qatar Airways

May 5

KTM6:15 pmKathmandu Tribhuvan

31h 15m

1 stop

SEA12:45 pmSeattle/Tacoma Intl

May 13

SEA4:30 pmSeattle/Tacoma Intl

35h 45m

1 stop

KTM5:00 pmKathmandu Tribhuvan

$1,275

KLM flights from Kathmandu to State of Washington

Our best KLM deals on Kathmandu to State of Washington flight tickets

KLM

Apr 6

KTM3:10 pmKathmandu Tribhuvan

38h 05m

2 stops

SEA4:30 pmSeattle/Tacoma Intl

Oct 4

SEA5:40 pmSeattle/Tacoma Intl

55h 45m

2 stops

KTM2:10 pmKathmandu Tribhuvan

$3,512

KLM

Apr 6

KTM3:10 pmKathmandu Tribhuvan

33h 20m

2 stops

SEA11:45 amSeattle/Tacoma Intl

Oct 6

SEA1:45 pmSeattle/Tacoma Intl

35h 40m

2 stops

KTM2:10 pmKathmandu Tribhuvan

$3,649

KLM

Apr 5

KTM3:10 pmKathmandu Tribhuvan

33h 20m

2 stops

SEA11:45 amSeattle/Tacoma Intl

Oct 4

SEA5:40 pmSeattle/Tacoma Intl

55h 45m

2 stops

KTM2:10 pmKathmandu Tribhuvan

$4,096

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Wed 6/10

10:50 am-2:25 pm

2 stops40h 20m

Seattle/Tacoma Intl

Thu 9/10

10:15 am-9:30 pm

1 stop22h 30m

$1,198

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Mon 4/6

6:00 pm-12:55 pm

1 stop31h 40m

Seattle/Tacoma Intl

Mon 10/5

4:25 pm-9:50 am

1 stop28h 40m

$1,272

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Tue 4/14

6:15 pm-12:45 pm

1 stop31h 15m

Seattle/Tacoma Intl

Sat 4/25

4:30 pm-5:00 pm

1 stop35h 45m

$1,274

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Tue 5/5

6:15 pm-12:45 pm

1 stop31h 15m

Seattle/Tacoma Intl

Wed 5/13

4:30 pm-5:00 pm

1 stop35h 45m

$1,275

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Wed 4/15

6:15 pm-12:45 pm

1 stop31h 15m

Seattle/Tacoma Intl

Sat 4/25

4:30 pm-5:00 pm

1 stop35h 45m

$1,277

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Tue 4/7

6:00 pm-12:55 pm

1 stop31h 40m

Seattle/Tacoma Intl

Mon 10/5

4:25 pm-9:50 am

1 stop28h 40m

$1,278

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Mon 4/13

6:15 pm-12:45 pm

1 stop31h 15m

Seattle/Tacoma Intl

Sat 4/25

4:30 pm-5:00 pm

1 stop35h 45m

$1,280

Quickest round-trip

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Tue 5/5

6:15 pm-12:45 pm

1 stop31h 15m

Seattle/Tacoma Intl

Tue 5/12

4:30 pm-7:55 am

1 stop26h 40m

$1,283

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Mon 5/4

10:55 am-12:45 pm

1 stop38h 35m

Seattle/Tacoma Intl

Tue 5/12

4:30 pm-7:55 am

1 stop26h 40m

$1,285

KathmanduPortland

KTM - PDX

KTMPDX

Kathmandu Tribhuvan

Fri 4/17

6:15 pm-6:40 pm

2 stops37h 10m

Portland

Fri 4/24

1:52 pm-5:00 pm

2 stops38h 23m

$1,512

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 State of Washington

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

Can stopping save me money on Kathmandu to State of Washington flights?

You could potentially save up to 12% on your flight if you consider stops on a Kathmandu to State of Washington flight.

Cheap Kathmandu to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kathmandu to State of Washington

Fastest flight time	30h 45m
Direct flights	None

The fastest flight from Kathmandu to State of Washington takes 30h 45m

There are no direct flights from Kathmandu to State of Washington. There are no popular flight routes from Kathmandu to State of Washington.

Search flight deals

When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Washington?
Prices for flights from Kathmandu Tribhuvan Airport to Washington refresh daily.
How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Washington?
As of March 2026, there are 2 operators available to choose from for flights from Kathmandu Tribhuvan Airport to Washington.
How old do you have to be to fly from Kathmandu Tribhuvan Airport to Washington?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kathmandu Tribhuvan Airport to Washington.
What documentation or ID do you need to fly to Washington?
The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Kathmandu to State of Washington

Compare and see reviews for airlines that fly from Kathmandu to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Singapore Airlines	PriceFrom $1,148	Free Cancellation	Rating 8.2 1,484 reviews		Search Singapore Airlines flights
Emirates	PriceFrom $1,717	Free Cancellation	Rating 8.1 3,541 reviews		Search Emirates flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Kathmandu to Washington. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo helps you find the best flight between Kathmandu and Washington 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 Washington right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington from Kathmandu. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.