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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 2/11. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
11:00 pm - 7:10 am
KTM
-
SEA
21h 55m1 stop
Singapore Airlines Logo
8:45 am - 9:50 pm
SEA
-
KTM
23h 20m1 stop
$1,249Singapore Airlines
seg, fev 2 - sáb, mar 7
Multiple Airlines Logo
10:55 pm - 5:30 pm
KTM
-
SEA
32h 20m2 stops
Multiple Airlines Logo
11:30 pm - 9:30 pm
SEA
-
KTM
32h 15m2 stops
$1,337Multiple Airlines
seg, fev 2 - sáb, mar 7
Multiple Airlines Logo
10:55 pm - 5:30 pm
KTM
-
SEA
32h 20m2 stops
Multiple Airlines Logo
4:05 pm - 7:55 am
SEA
-
KTM
26h 05m1 stop
$1,373Multiple Airlines
seg, fev 2 - sáb, mar 7
Turkish Airlines Logo
12:35 pm - 5:05 pm
KTM
-
SEA
42h 15m1 stop
Turkish Airlines Logo
7:00 pm - 11:10 am
SEA
-
KTM
26h 25m1 stop
$1,424Turkish Airlines
dom, fev 1 - qui, fev 5
Turkish Airlines Logo
12:35 pm - 5:05 pm
KTM
-
SEA
42h 15m1 stop
Turkish Airlines Logo
7:00 pm - 11:10 am
SEA
-
KTM
26h 25m1 stop
$1,425Turkish Airlines
dom, fev 1 - qui, fev 5
Qatar Airways Logo
5:40 pm - 11:40 am
KTM
-
SEA
31h 45m1 stop
Qatar Airways Logo
8:25 am - 7:55 am
SEA
-
KTM
33h 45m2 stops
$1,508Qatar Airways
dom, fev 1 - qui, fev 5
Qatar Airways Logo
5:40 pm - 11:40 am
KTM
-
SEA
31h 45m1 stop
Qatar Airways Logo
8:25 am - 4:25 pm
SEA
-
KTM
42h 15m2 stops
$1,510Qatar Airways
dom, fev 1 - qui, fev 5
Qatar Airways Logo
7:05 pm - 7:05 pm
KTM
-
SEA
37h 45m2 stops
Qatar Airways Logo
8:25 am - 7:55 am
SEA
-
KTM
33h 45m2 stops
$1,536Qatar Airways
dom, fev 1 - qui, fev 5
Multiple Airlines Logo
10:55 pm - 6:10 pm
KTM
-
SEA
33h 00m2 stops
Multiple Airlines Logo
7:52 pm - 6:35 am
SEA
-
KTM
44h 58m3 stops
$1,614Multiple Airlines
seg, fev 2 - sáb, mar 7
Qatar Airways Logo
5:40 pm - 4:47 pm
KTM
-
SEA
36h 52m2 stops
Qatar Airways Logo
8:06 am - 7:55 am
SEA
-
KTM
34h 04m2 stops
$1,650Qatar Airways
dom, fev 1 - qui, fev 5

Qatar Airways flights from Kathmandu to Seattle

Our best Qatar Airways deals on Kathmandu to Seattle flight tickets
Qatar Airways
Feb 1
KTM5:40 pmKathmandu Tribhuvan
31h 45m
1 stop
SEA11:40 amSeattle/Tacoma Intl
Feb 5
SEA8:25 amSeattle/Tacoma Intl
33h 45m
2 stops
KTM7:55 amKathmandu Tribhuvan
$1,508
Find similar
Qatar Airways
Feb 1
KTM5:40 pmKathmandu Tribhuvan
31h 45m
1 stop
SEA11:40 amSeattle/Tacoma Intl
Feb 5
SEA8:25 amSeattle/Tacoma Intl
42h 15m
2 stops
KTM4:25 pmKathmandu Tribhuvan
$1,510
Find similar
Qatar Airways
Feb 1
KTM7:05 pmKathmandu Tribhuvan
37h 45m
2 stops
SEA7:05 pmSeattle/Tacoma Intl
Feb 5
SEA8:25 amSeattle/Tacoma Intl
33h 45m
2 stops
KTM7:55 amKathmandu Tribhuvan
$1,536
Find similar

Turkish Airlines flights from Kathmandu to Seattle

Our best Turkish Airlines deals on Kathmandu to Seattle flight tickets
Turkish Airlines
Feb 1
KTM12:35 pmKathmandu Tribhuvan
42h 15m
1 stop
SEA5:05 pmSeattle/Tacoma Intl
Feb 5
SEA7:00 pmSeattle/Tacoma Intl
26h 25m
1 stop
KTM11:10 amKathmandu Tribhuvan
$1,424
Find similar
Turkish Airlines
Feb 1
KTM12:35 pmKathmandu Tribhuvan
42h 15m
1 stop
SEA5:05 pmSeattle/Tacoma Intl
Feb 5
SEA7:00 pmSeattle/Tacoma Intl
26h 25m
1 stop
KTM11:10 amKathmandu Tribhuvan
$1,425
Find similar
Turkish Airlines
Apr 26
KTM7:30 amKathmandu Tribhuvan
22h 30m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
Oct 2
SEA7:10 pmSeattle/Tacoma Intl
22h 10m
1 stop
KTM6:05 amKathmandu Tribhuvan
$4,751
Find similar

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 dezembro 15, 2025.
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

seg 2/2

11:00 pm-7:10 am

1 stop21h 55m

Seattle/Tacoma Intl

sáb 3/7

8:45 am-9:50 pm

1 stop23h 20m

$1,249

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

seg 2/2

10:55 pm-5:30 pm

2 stops32h 20m

Seattle/Tacoma Intl

sáb 3/7

11:30 pm-9:30 pm

2 stops32h 15m

$1,337

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

seg 2/2

10:55 pm-5:30 pm

2 stops32h 20m

Seattle/Tacoma Intl

sáb 3/7

4:05 pm-7:55 am

1 stop26h 05m

$1,373

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

dom 2/1

12:35 pm-5:05 pm

1 stop42h 15m

Seattle/Tacoma Intl

qui 2/5

7:00 pm-11:10 am

1 stop26h 25m

$1,424

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

dom 2/1

12:35 pm-5:05 pm

1 stop42h 15m

Seattle/Tacoma Intl

qui 2/5

7:00 pm-11:10 am

1 stop26h 25m

$1,425

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

dom 2/1

5:40 pm-11:40 am

1 stop31h 45m

Seattle/Tacoma Intl

qui 2/5

8:25 am-7:55 am

2 stops33h 45m

$1,508

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

dom 2/1

5:40 pm-11:40 am

1 stop31h 45m

Seattle/Tacoma Intl

qui 2/5

8:25 am-4:25 pm

2 stops42h 15m

$1,510

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

dom 2/1

7:05 pm-7:05 pm

2 stops37h 45m

Seattle/Tacoma Intl

qui 2/5

8:25 am-7:55 am

2 stops33h 45m

$1,536

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

seg 2/2

10:55 pm-6:10 pm

2 stops33h 00m

Seattle/Tacoma Intl

sáb 3/7

7:52 pm-6:35 am

3 stops44h 58m

$1,614

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

dom 2/1

5:40 pm-4:47 pm

2 stops36h 52m

Seattle/Tacoma Intl

qui 2/5

8:06 am-7:55 am

2 stops34h 04m

$1,650

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Kathmandu is on a Saturday. momondo users have found tickets for Saturday departures for as low as $1,463. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Kathmandu because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,978.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Kathmandu in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,411 when looking at flights departing in the morning. Flights to Seattle are more costly at noon, with an average ticket price of $2,090. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 December 2025, prices for Kathmandu to Seattle flights are approximately 7% 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

21h 55m

Direct flights

None
The fastest flight from Kathmandu to Seattle takes 21h 55m
There are no direct flights from Kathmandu to Seattle. There are no popular flight routes from Kathmandu to Seattle.
Search flight deals

  • 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 21h 55m, 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
1,413 reviews
Search Singapore Airlines flights
Korean AirPriceFrom $1,191Free CancellationRating
8.4
1,186 reviews
Search Korean Air flights
Turkish AirlinesPriceFrom $1,313Free CancellationRating
7.3
4,098 reviews
Search Turkish Airlines flights
EmiratesPriceFrom $1,717Free CancellationRating
8.1
3,441 reviews
Search Emirates flights

Traveling to a place near Seattle?

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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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