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Cheap flights from Kathmandu to Seattle from $584

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kathmandu to Seattle departing on 3/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Kathmandu to Seattle

Cheap round-trip flights

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Multiple Airlines Logo
KTM
-
SEA
6962 mimulti-stop
Multiple Airlines Logo
SEA
-
KTM
6962 mimulti-stop
Multiple Airlines

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated ינואר 2, 2026.
Use the filters below to find and compare flights from Kathmandu to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

ב' 3/2

3:10 pm-8:00 am

2 stops30h 35m

$584

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

ו' 1/30

2:30 pm-9:58 pm

3 stops45h 13m

$587

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

ב' 3/2

3:10 pm-6:52 pm

3 stops41h 27m

$592

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

ה' 1/29

5:30 pm-7:55 pm

3 stops40h 10m

$608

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

ב' 2/23

3:10 pm-6:52 pm

3 stops41h 27m

$613

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

ה' 2/19

6:30 am-8:55 pm

3 stops52h 10m

$624

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

ד' 3/4

11:10 am-8:05 am

3 stops34h 40m

$632

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

ו' 3/6

3:10 pm-7:57 am

3 stops54h 32m

$639

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

ג' 2/3

5:30 pm-9:58 pm

3 stops42h 13m

$641

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

ד' 4/29

3:05 pm-11:29 pm

3 stops45h 09m

$656

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Seattle from

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

Can stopping save me money on Kathmandu to Seattle flights?

You could potentially save up to 7% 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 January 2026, prices for Kathmandu to Seattle flights are approximately 5% 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

27h 05m

Direct flights

None
The fastest flight from Kathmandu to Seattle takes 27h 05m
There are no direct flights from Kathmandu to Seattle. There are no popular flight routes from Kathmandu to Seattle.
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  • 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 27h 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?

  • 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?

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 AirlinesPriceFrom $1,103Free CancellationRating
8.1
1,424 reviews
Search Singapore Airlines flights
Korean AirPriceFrom $1,191Free CancellationRating
8.4
1,185 reviews
Search Korean Air flights
Turkish AirlinesPriceFrom $1,313Free CancellationRating
7.3
4,139 reviews
Search Turkish Airlines flights
EmiratesPriceFrom $1,717Free CancellationRating
8.1
3,449 reviews
Search Emirates flights

Traveling to a place near Seattle?

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Leavenworth
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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.

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א' 2/1
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