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Cheap flights from Kathmandu to Seattle from $693

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 9/22. 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

Logo
1:30 pm - 12:45 pmKTM-SEA
36h 00m2 stops
Logo
2:15 pm - 12:25 pmSEA-KTM
33h 25m2 stops
$986
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jue., ago. 28 - jue., sep. 4
Logo
1:30 pm - 12:30 pmKTM-SEA
35h 45m2 stops
Logo
12:10 am - 12:25 pmSEA-KTM
46h 30m2 stops
$1,025
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mié., sep. 10 - mié., dic. 10
Logo
1:30 pm - 12:30 pmKTM-SEA
35h 45m2 stops
Logo
12:10 am - 12:25 pmSEA-KTM
47h 30m2 stops
$1,035
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mar., sep. 30 - lun., oct. 27
Logo
1:30 pm - 12:30 pmKTM-SEA
35h 45m2 stops
Logo
12:10 am - 11:25 pmSEA-KTM
58h 30m2 stops
$1,042
Find Deal
lun., sep. 29 - lun., oct. 27
Singapore Airlines Logo
10:50 pm - 8:45 amKTM-SEA
46h 40m1 stop
Singapore Airlines Logo
9:45 am - 9:40 pmSEA-KTM
23h 10m1 stop
$1,290Singapore Airlines
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mar., sep. 30 - mar., oct. 28
Singapore Airlines Logo
11:05 pm - 8:45 amKTM-SEA
46h 25m1 stop
Singapore Airlines Logo
2:40 pm - 9:35 pmSEA-KTM
42h 10m2 stops
$1,385Singapore Airlines
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mié., oct. 1 - mié., oct. 22
Qatar Airways Logo
7:05 pm - 12:45 pmKTM-SEA
30h 25m1 stop
Qatar Airways Logo
4:30 pm - 10:15 amSEA-KTM
29h 00m1 stop
$1,402Qatar Airways
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mié., oct. 1 - mié., oct. 22
Qatar Airways Logo
10:05 am - 12:45 pmKTM-SEA
39h 25m1 stop
Qatar Airways Logo
4:40 pm - 4:25 pmSEA-KTM
35h 00m1 stop
$1,407Qatar Airways
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lun., sep. 29 - mar., oct. 28
Qatar Airways Logo
6:00 pm - 12:45 pmKTM-SEA
31h 30m1 stop
Qatar Airways Logo
4:30 pm - 10:15 amSEA-KTM
29h 00m1 stop
$1,433Qatar Airways
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mié., oct. 1 - mié., oct. 22
Singapore Airlines Logo
11:05 pm - 12:06 amKTM-SEA
37h 46m3 stops
Singapore Airlines Logo
6:50 pm - 9:35 pmSEA-KTM
38h 00m2 stops
$1,595Singapore Airlines
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mié., oct. 1 - mié., oct. 22

Singapore Airlines flights from Kathmandu to Seattle

Our best Singapore Airlines deals on Kathmandu to Seattle flight tickets
Singapore Airlines
Sep 30
KTM10:50 pmKathmandu Tribhuvan
46h 40m
1 stop
SEA8:45 amSeattle/Tacoma Intl
Oct 28
SEA9:45 amSeattle/Tacoma Intl
23h 10m
1 stop
KTM9:40 pmKathmandu Tribhuvan
$1,290
Find similar
Singapore Airlines
Oct 1
KTM11:05 pmKathmandu Tribhuvan
46h 25m
1 stop
SEA8:45 amSeattle/Tacoma Intl
Oct 22
SEA2:40 pmSeattle/Tacoma Intl
42h 10m
2 stops
KTM9:35 pmKathmandu Tribhuvan
$1,385
Find similar
Singapore Airlines
Oct 1
KTM11:05 pmKathmandu Tribhuvan
37h 46m
3 stops
SEA12:06 amSeattle/Tacoma Intl
Oct 22
SEA6:50 pmSeattle/Tacoma Intl
38h 00m
2 stops
KTM9:35 pmKathmandu Tribhuvan
$1,595
Find similar

Qatar Airways flights from Kathmandu to Seattle

Our best Qatar Airways deals on Kathmandu to Seattle flight tickets
Qatar Airways
Oct 1
KTM7:05 pmKathmandu Tribhuvan
30h 25m
1 stop
SEA12:45 pmSeattle/Tacoma Intl
Oct 22
SEA4:30 pmSeattle/Tacoma Intl
29h 00m
1 stop
KTM10:15 amKathmandu Tribhuvan
$1,402
Find similar
Qatar Airways
Sep 29
KTM10:05 amKathmandu Tribhuvan
39h 25m
1 stop
SEA12:45 pmSeattle/Tacoma Intl
Oct 28
SEA4:40 pmSeattle/Tacoma Intl
35h 00m
1 stop
KTM4:25 pmKathmandu Tribhuvan
$1,407
Find similar
Qatar Airways
Oct 1
KTM6:00 pmKathmandu Tribhuvan
31h 30m
1 stop
SEA12:45 pmSeattle/Tacoma Intl
Oct 22
SEA4:30 pmSeattle/Tacoma Intl
29h 00m
1 stop
KTM10:15 amKathmandu Tribhuvan
$1,433
Find similar

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 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 $1,358. If you don’t want to visit Seattle in October, then you should wait until March to fly from Kathmandu, when ticket prices are also cheap, with an average price of $1,455.

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 36% 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 2025, prices for Kathmandu to Seattle flights are approximately 14% 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

Best Price Found

$693

Fastest flight time

22h 20m

Direct flights

None

Airports in Seattle

1 airport
The best one-way flight to Seattle from Kathmandu in the past 72 hours is $693. The best round-trip flight deal from Kathmandu to Seattle found on momondo in the last 72 hours is $986.
The fastest flight from Kathmandu to Seattle takes 22h 20m
There are no direct flights from Kathmandu to Seattle. Popular non-direct route for this connection is Kathmandu Tribhuvan Airport - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
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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 22h 25m, 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
1,326 reviews
Search Singapore Airlines flights
Korean AirPriceFrom $1,174Free CancellationRating
8.4
1,109 reviews
Search Korean Air flights
Turkish AirlinesPriceFrom $1,313Free CancellationRating
7.3
3,901 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,534Free CancellationRating
7.4
3,602 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,598Free CancellationRating
8.1
3,285 reviews
Search Emirates flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Renton
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Federal Way
Lynnwood
Puyallup
Marysville
Tukwila
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Cle Elum
Centralia
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Redmond

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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