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Cheap flights from Seattle to Kathmandu from $321

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 3/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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 to Kathmandu

The cheapest plane tickets 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
$932Singapore Airlines
Find Deal
Sat, May 17 - Wed, Jun 18
9:40 am - 8:10 pmSEA-KTM
45h 45m1 stop
11:00 pm - 8:45 amKTM-SEA
46h 30m1 stop
$949Singapore Airlines
Find Deal
Tue, Mar 25 - Sun, Apr 6
7:00 pm - 11:00 amSEA-KTM
26h 15m1 stop
12:25 pm - 5:05 pmKTM-SEA
42h 25m1 stop
$1,016Turkish Airlines
Find Deal
Tue, Jan 21 - Tue, Jan 28
7:00 pm - 11:00 amSEA-KTM
26h 15m1 stop
12:25 pm - 5:05 pmKTM-SEA
42h 25m1 stop
$1,023Turkish Airlines
Find Deal
Tue, Jan 21 - Tue, Jan 28
4:05 pm - 4:45 pmSEA-KTM
34h 55m1 stop
11:45 am - 4:59 pmKTM-SEA
42h 59m2 stops
$1,138Qatar Airways
Find Deal
Wed, Jan 22 - Sun, Feb 2
8:03 am - 4:45 pmSEA-KTM
42h 57m2 stops
11:45 am - 4:59 pmKTM-SEA
42h 59m2 stops
$1,158Qatar Airways
Find Deal
Wed, Jan 22 - Sun, Feb 2
7:00 pm - 1:00 pmSEA-KTM
28h 15m2 stops
2:00 pm - 5:05 pmKTM-SEA
40h 50m2 stops
$1,196
Find Deal
Tue, Jan 21 - Tue, Jan 28
7:00 pm - 1:00 pmSEA-KTM
28h 15m2 stops
2:00 pm - 5:05 pmKTM-SEA
40h 50m2 stops
$1,227
Find Deal
Tue, Jan 21 - Tue, Jan 28
7:55 pm - 7:45 pmSEA-KTM
58h 05m2 stops
9:00 pm - 8:19 amKTM-SEA
49h 04m2 stops
$1,286Cathay Pacific
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Tue, Jan 21 - Tue, Jan 28
7:59 pm - 7:45 pmSEA-KTM
58h 01m2 stops
9:00 pm - 8:32 pmKTM-SEA
36h 17m2 stops
$1,410Cathay Pacific
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Sat, Mar 1 - Fri, Mar 14
9:40 am - 8:10 pmSEA-KTM
45h 45m1 stop
$321Singapore Airlines
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Sat, Mar 22
9:40 am - 8:10 pmSEA-KTM
45h 45m1 stop
$370Singapore Airlines
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Tue, Mar 11
9:40 am - 11:50 amSEA-KTM
37h 25m3 stops
Sat, Mar 22
9:40 am - 6:35 pmSEA-KTM
43h 10m3 stops
Mon, Jan 27
10:15 am - 9:45 pmSEA-KTM
46h 45m1 stop
$631Singapore Airlines
Find Deal
Sun, Apr 20
4:30 pm - 4:45 pmSEA-KTM
35h 30m1 stop
$687Qatar Airways
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Mon, Apr 21
8:03 am - 10:30 amSEA-KTM
36h 42m2 stops
$691Qatar Airways
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Wed, Jan 22
11:23 am - 7:45 pmSEA-KTM
42h 37m2 stops
$1,018Cathay Pacific
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Thu, Jan 9
9:20 am - 3:45 pmSEA-KTM
40h 40m3 stops
$1,319Emirates
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Wed, Jan 22
9:20 am - 3:45 pmSEA-KTM
40h 40m3 stops
$1,380Emirates
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Fri, Jan 31
4:05 pm - 10:30 amSEA-KTM
28h 40m1 stop
9:00 pm - 6:10 pmKTM-SEA
34h 55m3 stops
$2,211
Find Deal
Sun, Dec 22 - Tue, Dec 24
4:05 pm - 10:30 amSEA-KTM
28h 40m1 stop
9:00 pm - 6:10 pmKTM-SEA
34h 55m2 stops
$2,286
Find Deal
Sun, Dec 22 - Tue, Dec 24
4:05 pm - 1:00 pmSEA-KTM
31h 10m2 stops
5:00 pm - 3:05 pmKTM-SEA
35h 50m3 stops
$2,638
Find Deal
Sun, Dec 22 - Tue, Dec 24
6:34 pm - 2:45 pmSEA-KTM
30h 26m3 stops
5:00 pm - 3:05 pmKTM-SEA
35h 50m3 stops
$2,656
Find Deal
Sun, Dec 22 - Tue, Dec 24
12:10 am - 8:00 pmSEA-KTM
30h 05m2 stops
5:00 pm - 3:05 pmKTM-SEA
35h 50m3 stops
$3,088
Find Deal
Sat, Dec 21 - Tue, Dec 24
12:10 am - 8:00 pmSEA-KTM
30h 05m2 stops
9:00 pm - 6:10 pmKTM-SEA
34h 55m2 stops
$3,196
Find Deal
Sat, Dec 21 - Tue, Dec 24
4:05 pm - 10:30 amSEA-KTM
28h 40m1 stop
6:00 pm - 11:40 amKTM-SEA
31h 25m1 stop
$3,360Qatar Airways
Find Deal
Sun, Dec 22 - Tue, Dec 24
12:10 am - 8:00 pmSEA-KTM
30h 05m2 stops
12:25 pm - 5:05 pmKTM-SEA
42h 25m1 stop
$3,870
Find Deal
Sat, Dec 21 - Tue, Dec 24
4:05 pm - 10:30 amSEA-KTM
28h 40m1 stop
6:00 pm - 11:40 amKTM-SEA
31h 25m1 stop
$7,361Qatar Airways
Find Deal
Mon, Dec 23 - Fri, Jan 3
4:20 pm - 11:00 amSEA-KTM
52h 55m3 stops
12:00 pm - 12:24 amKTM-SEA
26h 09m2 stops
$15,475China Southern
Find Deal
Mon, Dec 23 - Fri, Jan 3

Singapore Airlines flights from Seattle to Kathmandu

Our best Singapore Airlines deals on Seattle to Kathmandu flight tickets
Singapore Airlines
May 17
SEA10:15 amSeattle/Tacoma Intl
22h 45m
1 stop
KTM9:45 pmKathmandu Tribhuvan
Jun 18
KTM11:00 pmKathmandu Tribhuvan
22h 30m
1 stop
SEA8:45 amSeattle/Tacoma Intl
Singapore Airlines
Mar 25
SEA9:40 amSeattle/Tacoma Intl
45h 45m
1 stop
KTM8:10 pmKathmandu Tribhuvan
Apr 6
KTM11:00 pmKathmandu Tribhuvan
46h 30m
1 stop
SEA8:45 amSeattle/Tacoma Intl
Singapore Airlines
Apr 1
SEA10:15 amSeattle/Tacoma Intl
22h 45m
1 stop
KTM9:45 pmKathmandu Tribhuvan
Apr 16
KTM11:00 pmKathmandu Tribhuvan
22h 30m
1 stop
SEA8:45 amSeattle/Tacoma Intl

Turkish Airlines flights from Seattle to Kathmandu

Our best Turkish Airlines deals on Seattle to Kathmandu flight tickets
Turkish Airlines
Jan 21
SEA7:00 pmSeattle/Tacoma Intl
26h 15m
1 stop
KTM11:00 amKathmandu Tribhuvan
Jan 28
KTM12:25 pmKathmandu Tribhuvan
42h 25m
1 stop
SEA5:05 pmSeattle/Tacoma Intl
Turkish Airlines
Jan 21
SEA7:00 pmSeattle/Tacoma Intl
26h 15m
1 stop
KTM11:00 amKathmandu Tribhuvan
Jan 28
KTM12:25 pmKathmandu Tribhuvan
42h 25m
1 stop
SEA5:05 pmSeattle/Tacoma Intl
Turkish Airlines
Jan 21
SEA7:00 pmSeattle/Tacoma Intl
26h 15m
1 stop
KTM11:00 amKathmandu Tribhuvan
Jan 28
KTM12:25 pmKathmandu Tribhuvan
42h 25m
1 stop
SEA5:05 pmSeattle/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 $1,257.

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?

We recommend purchasing flights from Seattle to Kathmandu 15 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Kathmandu for $1,491. In the past 72 hours, momondo users found flights from Seattle to Kathmandu for as low as $1,179.

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.

Can stopping save me money on Seattle to Kathmandu flights?

You could potentially save up to 34% on your flight if you consider stops on a Seattle to Kathmandu flight.

How have Seattle to Kathmandu flight prices changed over time?

As of December 2024, prices for Seattle to Kathmandu flights are approximately 5% 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

$321

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 $321. The best round-trip flight deal from Seattle to Kathmandu found on momondo in the last 72 hours is $932.
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 $896Free CancellationRating
8.1
1,331 reviews
Search Singapore Airlines flights
Turkish AirlinesPriceFrom $1,081Free CancellationRating
7.3
3,901 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,146Free CancellationRating
7.5
3,792 reviews
Search Qatar Airways flights
Cathay PacificPriceFrom $1,435Free CancellationRating
7.6
839 reviews
Search Cathay Pacific flights
EmiratesPriceFrom $1,688Free CancellationRating
8.1
3,410 reviews
Search Emirates flights

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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