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Cheap flights from Seattle to Kathmandu from $548

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Kathmandu departing on 3/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to Kathmandu

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Kathmandu that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Kathmandu.

Cheap last minute flights

Planning a quick getaway from Seattle to Kathmandu? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Kathmandu, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Kathmandu

Find recent round-trip train or bus tickets from Seattle to Kathmandu.

All round-trip flight deals from Seattle to Kathmandu

The cheapest plane tickets from Seattle to Kathmandu found on KAYAK recently.
10:15 am - 9:45 pmSEA-KTM
22h 45m1 stop
11:00 pm - 8:45 amKTM-SEA
22h 30m1 stop
$863Singapore Airlines
Find Deal
Thu, Apr 24 - Mon, May 12
10:15 am - 9:45 pmSEA-KTM
22h 45m1 stop
11:00 pm - 4:40 pmKTM-SEA
30h 25m2 stops
$998Singapore Airlines
Find Deal
Thu, Apr 24 - Mon, May 12
10:15 am - 9:45 pmSEA-KTM
22h 45m1 stop
11:00 pm - 10:58 amKTM-SEA
48h 43m3 stops
$1,066Singapore Airlines
Find Deal
Thu, Apr 24 - Mon, May 12
12:45 pm - 7:00 pmSEA-KTM
40h 30m2 stops
11:10 am - 11:55 amKTM-SEA
37h 30m2 stops
$1,090
Find Deal
Wed, Mar 5 - Wed, Mar 12
10:15 am - 9:45 pmSEA-KTM
22h 45m1 stop
11:00 pm - 12:11 amKTM-SEA
37h 56m2 stops
$1,101Singapore Airlines
Find Deal
Thu, Apr 24 - Thu, Jun 19
12:45 pm - 7:00 pmSEA-KTM
40h 30m2 stops
11:10 am - 11:55 amKTM-SEA
37h 30m2 stops
$1,122
Find Deal
Wed, Mar 5 - Wed, Mar 12
7:05 pm - 6:00 amSEA-KTM
22h 10m1 stop
7:25 am - 5:10 pmKTM-SEA
22h 30m1 stop
$1,132Turkish Airlines
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Wed, Apr 9 - Mon, Jun 9
3:44 pm - 7:45 pmSEA-KTM
62h 16m2 stops
9:00 pm - 8:15 amKTM-SEA
48h 00m2 stops
$1,166Cathay Pacific
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Tue, Mar 4 - Tue, Mar 11
8:00 am - 7:45 pmSEA-KTM
47h 00m2 stops
11:20 pm - 9:14 amKTM-SEA
46h 39m2 stops
$1,179Cathay Pacific
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Sun, Mar 9 - Sun, Mar 30
7:00 pm - 11:00 amSEA-KTM
26h 15m1 stop
12:25 pm - 5:05 pmKTM-SEA
42h 25m1 stop
$1,514Turkish Airlines
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Sun, Mar 2 - Sun, Mar 9
1:34 pm - 7:45 pmSEA-KTM
40h 26m2 stops
$548Cathay Pacific
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Fri, Mar 7
4:05 pm - 6:35 pmSEA-KTM
36h 45m2 stops
Tue, Mar 4
3:48 pm - 6:35 pmSEA-KTM
37h 02m3 stops
Tue, Mar 4
10:15 am - 9:45 pmSEA-KTM
22h 45m1 stop
$693Singapore Airlines
Find Deal
Sat, Apr 5
10:10 am - 9:45 pmSEA-KTM
46h 50m3 stops
$751Singapore Airlines
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Mon, May 5
7:00 pm - 11:00 amSEA-KTM
26h 15m1 stop
$866Turkish Airlines
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Fri, Jan 31
4:05 pm - 10:30 amSEA-KTM
28h 40m1 stop
$888Qatar Airways
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Fri, Mar 7
4:30 pm - 8:40 amSEA-KTM
27h 25m1 stop
$1,049Qatar Airways
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Mon, May 5
11:05 am - 4:05 pmSEA-KTM
39h 15m3 stops
$1,613Emirates
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Fri, Jan 31
9:20 am - 4:05 pmSEA-KTM
41h 00m3 stops
$1,828Emirates
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Fri, Jan 31
11:05 am - 11:00 amSEA-KTM
58h 10m2 stops
12:25 pm - 4:16 pmKTM-SEA
41h 36m2 stops
$1,499Turkish Airlines
Find Deal
Wed, Jan 22 - Tue, Jan 28
4:05 pm - 6:35 pmSEA-KTM
36h 45m2 stops
1:45 pm - 12:35 pmKTM-SEA
36h 35m2 stops
$1,521
Find Deal
Wed, Jan 22 - Wed, Jan 29
11:05 am - 11:00 amSEA-KTM
58h 10m2 stops
12:25 pm - 4:16 pmKTM-SEA
41h 36m2 stops
$1,540Turkish Airlines
Find Deal
Wed, Jan 22 - Thu, Jan 30
8:03 am - 10:30 amSEA-KTM
36h 42m2 stops
6:00 pm - 11:40 amKTM-SEA
31h 25m1 stop
$1,634Qatar Airways
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Wed, Jan 22 - Wed, Jan 29
11:05 am - 11:00 amSEA-KTM
58h 10m2 stops
12:25 pm - 5:05 pmKTM-SEA
42h 25m1 stop
$1,635Turkish Airlines
Find Deal
Wed, Jan 22 - Tue, Jan 28
4:05 pm - 10:30 amSEA-KTM
28h 40m1 stop
6:00 pm - 11:40 amKTM-SEA
31h 25m1 stop
$1,652Qatar Airways
Find Deal
Wed, Jan 22 - Wed, Jan 29
4:05 pm - 10:30 amSEA-KTM
28h 40m1 stop
6:00 pm - 11:40 amKTM-SEA
31h 25m1 stop
$1,683Qatar Airways
Find Deal
Wed, Jan 22 - Tue, Jan 28
4:05 pm - 10:30 amSEA-KTM
28h 40m1 stop
6:00 pm - 11:40 amKTM-SEA
31h 25m1 stop
$1,708Qatar Airways
Find Deal
Wed, Jan 22 - Thu, Jan 30
9:20 am - 4:05 pmSEA-KTM
41h 00m3 stops
9:20 am - 7:08 pmKTM-SEA
47h 33m2 stops
$2,506Emirates
Find Deal
Wed, Jan 22 - Thu, Jan 30
9:20 am - 4:05 pmSEA-KTM
41h 00m3 stops
9:20 am - 7:08 pmKTM-SEA
47h 33m2 stops
$2,720Emirates
Find Deal
Wed, Jan 22 - Tue, Jan 28

Cathay Pacific flights from Seattle to Kathmandu

Our best Cathay Pacific deals on Seattle to Kathmandu flight tickets
Cathay Pacific
Mar 4
SEA3:44 pmSeattle/Tacoma Intl
62h 16m
2 stops
KTM7:45 pmKathmandu Tribhuvan
Mar 11
KTM9:00 pmKathmandu Tribhuvan
48h 00m
2 stops
SEA8:15 amSeattle/Tacoma Intl
Cathay Pacific
Mar 9
SEA8:00 amSeattle/Tacoma Intl
47h 00m
2 stops
KTM7:45 pmKathmandu Tribhuvan
Mar 30
KTM11:20 pmKathmandu Tribhuvan
46h 39m
2 stops
SEA9:14 amSeattle/Tacoma Intl
Cathay Pacific
Feb 20
SEA9:31 pmSeattle/Tacoma Intl
56h 29m
2 stops
KTM7:45 pmKathmandu Tribhuvan
Mar 14
KTM9:00 pmKathmandu Tribhuvan
36h 17m
2 stops
SEA8:32 pmSeattle/Tacoma Intl

Singapore Airlines flights from Seattle to Kathmandu

Our best Singapore Airlines deals on Seattle to Kathmandu flight tickets
Singapore Airlines
Apr 24
SEA10:15 amSeattle/Tacoma Intl
22h 45m
1 stop
KTM9:45 pmKathmandu Tribhuvan
May 12
KTM11:00 pmKathmandu Tribhuvan
22h 30m
1 stop
SEA8:45 amSeattle/Tacoma Intl
Singapore Airlines
Apr 24
SEA10:15 amSeattle/Tacoma Intl
22h 45m
1 stop
KTM9:45 pmKathmandu Tribhuvan
May 12
KTM11:00 pmKathmandu Tribhuvan
30h 25m
2 stops
SEA4:40 pmSeattle/Tacoma Intl
Singapore Airlines
Apr 24
SEA10:15 amSeattle/Tacoma Intl
22h 45m
1 stop
KTM9:45 pmKathmandu Tribhuvan
May 12
KTM11:00 pmKathmandu Tribhuvan
48h 43m
3 stops
SEA10:58 amSeattle/Tacoma Intl

See travel insights to Kathmandu from

How to get the cheapest flight ticket from Seattle to Kathmandu

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 Kathmandu?

The month of May is another great option to travel to Kathmandu, with average flight prices from Seattle averaging around $1,242.

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

According to our data, Sunday is the cheapest day to fly to Kathmandu from Seattle. The lowest ticket price found for a Sunday departure recently was $1,385. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Seattle to Kathmandu on a Monday will generally be more expensive and average around $1,614. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

At noon is the cheapest time of day to fly from Seattle to Kathmandu when you can find flight prices for as low as $1,260. Flying to Kathmandu at noon is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $1,591.

What is the cheapest Seattle/Tacoma Intl to Kathmandu Tribhuvan flight route?

Fly from Seattle/Tacoma Intl to Kathmandu Tribhuvan for the best Seattle/Tacoma Intl - Kathmandu Tribhuvan flight prices

How far in advance should I book a flight to Kathmandu?

You are more likely to see cheaper flights to Kathmandu from Seattle when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Kathmandu for around $1,490 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kathmandu from Seattle for as low as $1,182 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Kathmandu Tribhuvan flights?

There are 1 cabin classes available to choose from on Seattle/Tacoma Intl to Kathmandu Tribhuvan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Kathmandu flight prices changed over time?

As of January 2025, prices for Seattle to Kathmandu flights are approximately 34% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Kathmandu

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

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

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

Best Price Found

$548

Fastest flight time

22h 10m

Direct flights

None

Airports in Kathmandu

1 airport
The best one-way flight to Kathmandu from Seattle in the past 72 hours is $548. The best round-trip flight deal from Seattle to Kathmandu found on momondo in the last 72 hours is $863.
The fastest flight from Seattle to Kathmandu takes 22h 10m
There are no direct flights from Seattle to Kathmandu. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Kathmandu Tribhuvan Airport.
There is 1 airport near Kathmandu: Kathmandu Tribhuvan (KTM)

  • How far is Seattle/Tacoma Intl to Kathmandu Tribhuvan by plane?

    A flight from Seattle/Tacoma Intl to Kathmandu Tribhuvan will travel around 6950.3 mi. In terms of flight time, this usually takes a little over 22h 10m.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Kathmandu Tribhuvan Airport are refreshed on a daily basis.

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

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

    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 Seattle/Tacoma Intl Airport to Kathmandu Tribhuvan Airport.

  • What documentation or ID do you need to fly to Kathmandu Tribhuvan Airport?

    The travel and health documents you'll need for your trip to Kathmandu Tribhuvan Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kathmandu Tribhuvan Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Kathmandu?


Best airlines flying from Seattle to Kathmandu

Compare and see reviews for airlines that fly from Seattle to Kathmandu with momondo
Airline
Rating
Free Cancellation
Price
Singapore AirlinesPriceFrom $898Free CancellationRating
8.1
1,328 reviews
Search Singapore Airlines flights
Turkish AirlinesPriceFrom $1,083Free CancellationRating
7.3
3,931 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,145Free CancellationRating
7.5
3,752 reviews
Search Qatar Airways flights
Cathay PacificPriceFrom $1,227Free CancellationRating
7.5
830 reviews
Search Cathay Pacific flights
EmiratesPriceFrom $1,688Free CancellationRating
8.1
3,360 reviews
Search Emirates flights

Traveling to a place near Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
Nagarkot

Why use momondo?

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

It is quick and easy to find Seattle to Kathmandu flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Kathmandu that suits you.

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

momondo does allow users to show only those flights to Kathmandu from Seattle which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Kathmandu from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Kathmandu, momondo offers a useful price alert feature which will track prices for flights to Kathmandu from Seattle and alert you when they change.


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