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Cheap Flights from Kathmandu to Seattle

Compare Kathmandu to Seattle flight deals

Find the cheapest month or even day of the year to fly to Seattle

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Flight deals from Kathmandu to Seattle

Looking for a cheap last-minute deal or the best return flight from Kathmandu Airport to Seattle? If you want to travel next month, return fares start from Rs373,003. Find the lowest prices on one-way and return tickets right here.
Seattle.Rs198,788 per passenger.Departing Wed, 17 Jun.One-way flight with SriLankan Airlines.Outbound indirect flight with SriLankan Airlines, departs from Kathmandu on Wed, 17 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From Rs198,788, select.
Seattle.Rs206,352 per passenger.Departing Fri, 13 Nov.One-way flight with Sichuan Airlines.Outbound indirect flight with Sichuan Airlines, departs from Kathmandu on Fri, 13 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From Rs206,352, select.
Seattle.Rs214,692 per passenger.Departing Thu, 17 Sep.One-way flight with IndiGo.Outbound indirect flight with IndiGo, departs from Kathmandu on Thu, 17 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From Rs214,692, select.
Seattle.Rs215,114 per passenger.Departing Thu, 21 Jan.One-way flight with Air India.Outbound indirect flight with Air India, departs from Kathmandu on Thu, 21 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From Rs215,114, select.
Seattle.Rs224,190 per passenger.Departing Fri, 17 Jul.One-way flight with IndiGo.Outbound indirect flight with IndiGo, departs from Kathmandu on Fri, 17 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From Rs224,190, select.
Seattle.Rs270,234 per passenger.Departing Fri, 21 Aug.One-way flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Kathmandu on Fri, 21 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From Rs270,234, select.

Find the cheapest month to fly from Kathmandu to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kathmandu to Seattle flights are currently cheapest in June.
May
Find prices
Jun
from Rs198,788
Jul
from Rs224,190
Aug
from Rs270,234
Sep
from Rs214,692
Oct
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Nov
from Rs206,352
Dec
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Jan
from Rs215,114
Feb
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Mar
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Apr
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Alternative Kathmandu to Seattle routes

Looking for the cheapest, fastest or easiest route from Kathmandu to Seattle? You could fly into the following airports instead.

Seattle Lake Union SPB

2km from central Seattle
Closest
from Rs233,604
Search flights

Seattle Boeing Fld

11km from central Seattle
from Rs281,164
Search flights

Seattle / Tacoma International

20km from central Seattle
Cheapest
from Rs198,788
Search flights

Paine Field

33km from central Seattle
from Rs222,385
Search flights

Kathmandu to Seattle: Flight information

The things to know before you go.
Cheapest flight foundRs198,788
Cheapest month to flyJune

Finding cheap flights from Kathmandu to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Kathmandu to Seattle is Rs373,003. 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.
Currently, there are no airlines that fly direct from Kathmandu to Seattle. But we found flights with one or more stops from Rs373,003.
As of May 2026, there are no flights flying from Kathmandu to Seattle.
The cheapest month to fly from Kathmandu to Seattle is usually June.
If you're flying from Kathmandu Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from Rs373,003.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kathmandu Airport to Seattle on Friday, 19 June 2026.
No airlines currently offer direct flights between Kathmandu Airport and Seattle. Most routes have one or more stops.
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 Seattle 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.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 12°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Qatar Airways offers the cheapest flight tickets to Seattle.

Flying from Kathmandu Tribhuvan International Airport (KTM) to Seattle: what you need to know

  • Seattle is 13 hours 48 minutes behind Kathmandu, where Kathmandu Tribhuvan International Airport is located. Seattle observes the UTC-8 timezone.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This leaves you with plenty of time to board your KTM to Seattle flight.

  • Travelling during a popular month such as February? Major public holidays and other high seasons can mean longer queues and delays at check-in and security. Play it safe and arrive up to four hours ahead of international flights and two hours before a domestic departure.

  • We make it a breeze to book plane tickets from KTM to Seattle with a stopover. To see all the options, uncheck 'Direct flights only.' Then, choose a flight that has a stop long enough to see the sights of the city of your choice. Well-traveled stopover hubs include:

    • Istanbul Airport (IST)

    • Singapore Changi Airport (SIN)

    • Doha Hamad International Airport (DOH)

  • Located around 3 kilometres from central Kathmandu, KTM can be reached in about 30 minutes by car (depending on traffic). Travelling on public transport will take roughly 40 minutes.

  • Planning to catch an early flight from Kathmandu Tribhuvan International Airport to Seattle? Avoid the last-minute rush to the terminal (and enjoy a little extra shut-eye) by choosing one of these hotels close to KTM:

  • When it comes to Kathmandu Tribhuvan International Airport's on-time performance, 51% of flights arrive within the expected time frame.

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

  • The lowest price we've found for a one-way Kathmandu Tribhuvan International Airport to Seattle flight is Rs198,788. The cheapest price for a return flight is Rs373,003. Bear in mind fares can change due to demand at the time of booking.

  • To pick up cheap flights from KTM to Seattle, book as early as you can. Airlines usually offer their most competitively priced fares when flights are first released.

  • If you're flexible with your trip dates, check out the 'Whole month' tool. It'll show you the cheapest price across every month when searching for a Kathmandu Tribhuvan International Airport to Seattle ticket.

  • Stay on top of deals for cheap flights from KTM to Seattle by setting up a Price Alert. You'll receive an email or notification through the app when a lower fare pops up.

  • Pick your preferred arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from Kathmandu Tribhuvan International Airport to Seattle by 'Fastest,' 'Best' or 'Cheapest.'

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to the centre of Seattle takes around 25 minutes by car. The centre is roughly 23 kilometres away.

  • It takes around 35 minutes if you're travelling by public transport.

  • Think about booking a hotel near SEA if you're coming in on a late flight from Kathmandu Tribhuvan International Airport to Seattle. Select one of these options and make your first night all about rest:

  • Reserving your vehicle from Seattle-Tacoma International Airport about one week before your flight from KTM to Seattle can help you get the best possible rate.

Seattle Paine Field International Airport (PAE)

  • After your flight from Kathmandu Tribhuvan International Airport to Seattle has hit the tarmac, you can reach the city centre in around 40 minutes by car. Central Seattle is roughly 40 kilometres from Seattle Paine Field International Airport (PAE).

  • You can expect the journey to take roughly 1 hour 30 minutes on public transport.

  • There are some great places ready to welcome you near PAE. Unwind and get cosy after your KTM to Seattle flight at any of these well-located options:

  • Pick the vehicle you actually want, not just whatever's left, by securing your ride from PAE in advance. You'll also avoid last-minute price hikes, especially during busy airport times.

King County International Airport (BFI)

  • Step off your flight from Kathmandu Tribhuvan International Airport to Seattle and make your way to your hotel or start discovering the city right away. Central Seattle is around 11 kilometres from King County International Airport (BFI) and typically takes 20 minutes to reach driving.

  • If you're travelling on public transport, the journey will take you around 35 minutes.

  • Choose a hotel close to BFI and get from baggage claim to bedtime in a flash. Whether you're coming in on a late KTM to Seattle flight or just want to simplify your travel plans, these accommodation options offer a quick route to a good night's sleep:

  • If you prefer a certain make or model, booking early increases your chances of snagging what you want. Secure your ride from BFI at least a couple of weeks ahead of your flight from Kathmandu Tribhuvan International Airport to Seattle.

Best time to go to Seattle

  • December is the quietest month for flights from Kathmandu Tribhuvan International Airport to Seattle, while July is the most popular. Work out the best time to visit Seattle based on whether you like a lively atmosphere or a more laid-back vibe.

  • Book a Kathmandu Tribhuvan International Airport to Seattle plane ticket with a departure in August to experience the city during its warmest month. You can expect temperatures to range from 12ºC to 28ºC.

  • February sees average temperatures of between -1ºC and 11ºC. Look for a cheap ticket from KTM to Seattle around that time if you like travelling in cooler conditions.

More about Seattle

  • Once you've booked your flight from Kathmandu Tribhuvan International Airport to Seattle, choose a hotel that combines comfort with a great location. Make one of these accommodation options your base for exploring Seattle:

  • There are so many things to do and see in this city it can be tricky to work out where to start. Pike Place Market, Space Needle and Seattle Skyline are leading attractions which should feature on any well-planned Seattle itinerary.

Explore more of the United States

  • Seattle has loads to offer, but there are so many other corners of the United States waiting to be explored. About 241 kilometres south of Seattle, a trip to Portland will keep you on the move. Start with leading sights like Portland Japanese Garden, Peninsula Park Rose Garden and Beyond Van Gogh Portland.

  • If you want to check out another well-known destination in the United States, head for Spokane, about 370 kilometres east of Seattle. Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes are key reasons to visit.

Plan the rest of your trip from Kathmandu to Seattle

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.