Cheap Flights from Seattle to Kathmandu

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Flight deals from Seattle to Kathmandu Airport

Looking for a cheap last-minute deal or the best return flight from Seattle to Kathmandu Airport? If you want to travel next month, return fares start from $2,209. Find the lowest prices on one-way and return tickets right here.

Kathmandu.$1,686 per passenger.Departing Tue, 1 Sep, returning Wed, 30 Sep.Return flight with Cathay Pacific.Outbound indirect flight with Cathay Pacific, departs from Seattle / Tacoma International on Tue, 1 Sep, arriving in Kathmandu.Inbound indirect flight with Cathay Pacific, departs from Kathmandu on Wed, 30 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,686, select.

Kathmandu.$1,702 per passenger.Departing Tue, 20 Oct, returning Mon, 16 Nov.Return flight with Cathay Pacific.Outbound indirect flight with Cathay Pacific, departs from Seattle / Tacoma International on Tue, 20 Oct, arriving in Kathmandu.Inbound indirect flight with Cathay Pacific, departs from Kathmandu on Mon, 16 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,702, select.

Kathmandu.$1,839 per passenger.Departing Sun, 27 Sep, returning Wed, 14 Oct.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Seattle / Tacoma International on Sun, 27 Sep, arriving in Kathmandu.Inbound indirect flight with Qatar Airways, departs from Kathmandu on Wed, 14 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,839, select.

Kathmandu.$1,849 per passenger.Departing Sun, 3 May, returning Wed, 17 Jun.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Seattle / Tacoma International on Sun, 3 May, arriving in Kathmandu.Inbound indirect flight with Qatar Airways, departs from Kathmandu on Wed, 17 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,849, select.

Kathmandu.$1,850 per passenger.Departing Wed, 22 Apr, returning Thu, 21 May.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Seattle / Tacoma International on Wed, 22 Apr, arriving in Kathmandu.Inbound indirect flight with Qatar Airways, departs from Kathmandu on Thu, 21 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,850, select.

Kathmandu.$1,922 per passenger.Departing Sat, 22 Aug, returning Mon, 7 Sep.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Seattle / Tacoma International on Sat, 22 Aug, arriving in Kathmandu.Inbound indirect flight with Qatar Airways, departs from Kathmandu on Mon, 7 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,922, select.

Kathmandu.$1,922 per passenger.Departing Fri, 24 Apr, returning Wed, 10 Jun.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Seattle / Tacoma International on Fri, 24 Apr, arriving in Kathmandu.Inbound indirect flight with Qatar Airways, departs from Kathmandu on Wed, 10 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,922, select.

Kathmandu.$2,105 per passenger.Departing Mon, 30 Nov, returning Sat, 12 Dec.Return flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Seattle / Tacoma International on Mon, 30 Nov, arriving in Kathmandu.Inbound indirect flight with Turkish Airlines, departs from Kathmandu on Sat, 12 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $2,105, select.

Kathmandu.$2,163 per passenger.Departing Sun, 3 May, returning Sun, 10 May.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Seattle / Tacoma International on Sun, 3 May, arriving in Kathmandu.Inbound indirect flight with Qatar Airways, departs from Kathmandu on Sun, 10 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $2,163, select.

Kathmandu.$2,186 per passenger.Departing Thu, 1 Oct, returning Sat, 31 Oct.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Seattle / Tacoma International on Thu, 1 Oct, arriving in Kathmandu.Inbound indirect flight with Qatar Airways, departs from Kathmandu on Sat, 31 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $2,186, select.

Kathmandu.$2,193 per passenger.Departing Wed, 3 Jun, returning Thu, 24 Sep.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Seattle / Tacoma International on Wed, 3 Jun, arriving in Kathmandu.Inbound indirect flight with Qatar Airways, departs from Kathmandu on Thu, 24 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $2,193, select.

Kathmandu.$2,197 per passenger.Departing Mon, 1 Jun, returning Tue, 16 Jun.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Seattle / Tacoma International on Mon, 1 Jun, arriving in Kathmandu.Inbound indirect flight with Qatar Airways, departs from Kathmandu on Tue, 16 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $2,197, select.

Kathmandu.$2,209 per passenger.Departing Fri, 3 Apr, returning Sun, 12 Apr.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Seattle / Tacoma International on Fri, 3 Apr, arriving in Kathmandu.Inbound indirect flight with Qatar Airways, departs from Kathmandu on Sun, 12 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $2,209, select.

Kathmandu.$2,338 per passenger.Departing Tue, 31 Mar, returning Fri, 3 Apr.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Seattle / Tacoma International on Tue, 31 Mar, arriving in Kathmandu.Inbound indirect flight with Qatar Airways, departs from Kathmandu on Fri, 3 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $2,338, select.

Kathmandu.$2,425 per passenger.Departing Mon, 3 Aug, returning Wed, 6 Jan.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Seattle / Tacoma International on Mon, 3 Aug, arriving in Kathmandu.Inbound indirect flight with Qatar Airways, departs from Kathmandu on Wed, 6 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $2,425, select.

Kathmandu.$2,464 per passenger.Departing Mon, 30 Mar, returning Wed, 16 Dec.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Seattle / Tacoma International on Mon, 30 Mar, arriving in Kathmandu.Inbound indirect flight with Qatar Airways, departs from Kathmandu on Wed, 16 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $2,464, select.

Find the cheapest month to fly from Seattle to Kathmandu

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Kathmandu flights are currently cheapest in September.

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Seattle to Kathmandu: Alternative routes

Compare routes from Seattle to Kathmandu below. You may find an airport to fly into that's cheaper, faster, or easier than Kathmandu.

Kathmandu

5km from central Kathmandu

ClosestCheapest

from $1,686

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Seattle to Kathmandu: Flight information

The things to know before you go.

Cheapest flight found	$1,686
Cheapest month to fly	September

Finding cheap flights from Seattle to Kathmandu: Frequently asked questions

How much are return flights from Seattle to Kathmandu?

The best price we found for a return flight from Seattle to Kathmandu is $1,686. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Seattle to Kathmandu?

Currently, there are no airlines that fly direct from Seattle to Kathmandu. But we found flights with one stop from $1,686.

How many flights are there a week from Seattle to Kathmandu?

As of March 2026, there are no flights flying from Seattle to Kathmandu.

When is the cheapest time to fly from Seattle to Kathmandu?

The cheapest month to fly from Seattle to Kathmandu is usually September.

Which upcoming date is cheapest to fly from Seattle to Kathmandu Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Kathmandu Airport on Tuesday, 1 September 2026.

Can I get a direct flight from Seattle to Kathmandu Airport?

No airlines currently offer direct flights between Seattle and Kathmandu Airport. Most routes have one or more stops.

How can I find the best flight deal to Kathmandu?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kathmandu but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Kathmandu?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kathmandu is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Seattle to Kathmandu with?

The cheapest airline that flies to Kathmandu is Cathay Pacific .

Travelling from Seattle to Kathmandu Tribhuvan International Airport (KTM): What you need to know

Kathmandu is 13 hours 48 minutes ahead of Seattle. Kathmandu Tribhuvan International Airport is located in Kathmandu, which runs on the UTC+5:47 timezone.
Your flight from Seattle to KTM won't wait if you're late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.
Getting away during a peak time like July? Popular periods (like Thanksgiving, Christmas and spring break) can easily add another hour at security. Be extra cautious and arrive up to four hours ahead of international flights and two hours before domestic departures.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

Consider adding a stopover to find cheap flights from Seattle to KTM. Just deselect 'Direct flights only' when browsing departures from Seattle-Tacoma International Airport (SEA). Slip in a stop (and skip the high fares) by flying through one of these airports:
- Istanbul Airport (IST)
- Dubai International Airport (DXB)
- Doha Hamad International Airport (DOH)
Travelling from central Seattle to SEA takes around 35 minutes on public transport. If you drive, ride-share or grab a taxi, you'll cover the 23 kilometres in 25 minutes or so, depending on traffic.
Planning to catch an early flight from Seattle to Kathmandu Tribhuvan International Airport? Avoid the stress of rushing to the terminal (and get a little more snooze time) by choosing one of these hotels close to Seattle-Tacoma International Airport:
Seattle-Tacoma International Airport gets high marks for its on-time performance. 80% of flights that take off from SEA arrive at their destination on time.

Seattle Paine Field International Airport (PAE)

On public transport, you can travel from central Seattle to PAE in around 1 hour 30 minutes. The airport is roughly 40 kilometres away, and getting there by car will take approximately 40 minutes.
Start your holiday early with an extra night away from home. Before your Seattle to KTM flight, kick back in one of these hotels close to Seattle Paine Field International Airport:
Flights from Seattle Paine Field International Airport are known for their punctuality, with 80% of them arriving on schedule.

About Kathmandu Tribhuvan International Airport (KTM)

If you're arriving on a late flight from Seattle to Kathmandu Tribhuvan International Airport, nothing beats the convenience of staying near the terminal. Grab your luggage from the carousel and then be showered and sleeping soon after at one of these hotels near KTM:
Booking your vehicle around one week in advance of your Seattle to Kathmandu Tribhuvan International Airport flight can help you get a cheaper deal.

Getting from Kathmandu Tribhuvan International Airport (KTM) to central Kathmandu

From Kathmandu Tribhuvan International Airport, central Kathmandu is around 6 kilometres away. It takes about 30 minutes to reach the city centre by car.
It typically takes 40 minutes if you're travelling by public transport.

How to find the cheapest flights from Seattle to Kathmandu Tribhuvan International Airport (KTM)

The lowest price we've found for a one-way ticket from Seattle to Kathmandu Tribhuvan International Airport is $985. For a return flight on this route, the best price is $1,686. Depending on when you book and the availability, these fares may change.
To pick up cheap flights from Seattle to KTM, book early. Airlines usually offer the most competitive fares when flights are first released.
The 'Whole month' tool will show you the cheapest Seattle to Kathmandu Tribhuvan International Airport tickets throughout the entire month. It's a good way to find a bargain if your plans are flexible.
Save time searching for cheap plane tickets from Seattle to KTM by creating a Price Alert. We'll send you an email or push notification on the app when a new discounted fare appears.
Filters make it easier to scoop up a deal on your flight from Seattle to Kathmandu Tribhuvan International Airport. Pick the flight times, carriers and stops that make sense for you. Then sort the results by 'Cheapest' to find the best price quickly.

The best time to fly from Seattle to Kathmandu Tribhuvan International Airport (KTM)

February is the busiest month for flights from Seattle to Kathmandu Tribhuvan International Airport (KTM). Visit Kathmandu in December if you prefer a quieter experience.
Book a Seattle to KTM plane ticket departing in June if you're eager to visit the city during its warmest month. Expect temperatures in Kathmandu to range from 17ºC to 30ºC.
Look for cheap tickets from Seattle to Kathmandu Tribhuvan International Airport in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 3ºC and 19ºC.

More about Kathmandu

Start your Kathmandu trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from Seattle to Kathmandu Tribhuvan International Airport, browse our selection of hotels including:
Every great adventure has to include some sightseeing. Kathmandu Durbar Square, Boudhanath Stupa and Swayambhunath Stupa are must-do's during your Kathmandu adventure.

Explore more of Nepal

You've seen Kathmandu, now it's time to explore other corners of Nepal. Travel around 145 kilometres northwest to Pokhara to tick off its top attractions. From Phewa Lake to Parahawking and Sarangkot View Point, you'll have a full itinerary ahead.
Biratnagar is another well-known destination in Nepal and is around 241 kilometres southeast of Kathmandu. No trip is complete without seeing Haleshi Mahadev Mandir, Birateshwor Shiva Temple and ISKCON Jaljala.