Cheap Flights from Kathmandu to Seattle / Tacoma International

Compare Kathmandu to Seattle / Tacoma International flight deals

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

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Flight deals from Kathmandu to Seattle / Tacoma International

Looking for a cheap last-minute deal or the best round-trip flight from Kathmandu Airport to Seattle / Tacoma International Airport? If you want to travel next month, round-trip fares start from AED 4,907. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Kathmandu to Seattle / Tacoma International

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

Kathmandu to Seattle / Tacoma International: Alternative routes

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

Kathmandu to Seattle: Flight information

The things to know before you go.
Cheapest flight foundAED 2,615
Cheapest month to flyJune

Finding cheap flights from Kathmandu to Seattle / Tacoma International: Frequently asked questions

The best price we found for a round-trip flight from Kathmandu to Seattle / Tacoma International is AED 4,825. 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 / Tacoma International. But we found flights with one or more stops from AED 4,825.
There are no flights flying from Kathmandu to Seattle / Tacoma International, as of May 2026.
The cheapest month to fly from Kathmandu to Seattle / Tacoma International is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kathmandu Airport to Seattle / Tacoma International Airport on Friday, June 19, 2026.
No airlines currently offer direct flights between Kathmandu Airport and Seattle / Tacoma International Airport. 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 / Tacoma International 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.
Currently, Qatar Airways offers the cheapest flight tickets to Seattle / Tacoma International.

Traveling from Tribhuvan International Airport (KTM) to Seattle-Tacoma International Airport (SEA): what you need to know

  • The timezone in Seattle is UTC-7, which is 12 hours 48 minutes behind Kathmandu.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Be at the airport with enough time to catch your KTM to SEA flight.

  • Traveling during a peak month like September? Major public holidays and other popular periods can lead to longer queues at airport checkpoints. Play things extra safe and get there up to four hours ahead of an international flight and two hours before domestic departures.

  • If you want to explore another city along the way, simply deselect 'Direct flights only' when searching for your ticket from Tribhuvan International Airport to Seattle-Tacoma International Airport. These are the top stopovers between KTM and SEA:

    • Istanbul Ataturk Airport

    • Changi International Airport

    • Hamad International Airport

How to find the cheapest flights from Tribhuvan International Airport (KTM) to Seattle-Tacoma International Airport (SEA)

  • Currently, AED 2,615 is the cheapest price we've found for a one-way Tribhuvan International Airport to Seattle-Tacoma International Airport flight. The best price for a return ticket is AED 4,825. Remember that fares could change due to demand at the time of booking.

  • It's a good idea to book ahead of time if you're hoping to get cheap tickets from KTM to SEA. That's because airlines adjust prices based on demand, which tends to increase closer to the date of departure.

  • The 'Whole month' search function shows you the cheapest flights from Tribhuvan International Airport to Seattle-Tacoma International Airport across each month. It's an easy way to snap up a bargain if your travel plans aren't set in stone.

  • You don't need to check back in every day to see if fares have gone down when you set up a Price Alert. We'll update you the moment the price changes on cheap flights from KTM to SEA.

  • Choose your preferred arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Tribhuvan International Airport to Seattle-Tacoma International Airport.

Handy information about Tribhuvan International Airport (KTM)

  • Central Kathmandu to Tribhuvan International Airport is approximately 5 kilometers. Depending on traffic, it'll take you about 15 minutes to get there if you're driving, catching a cab or ride-sharing.

  • Catching an early flight from Tribhuvan International Airport to Seattle-Tacoma International Airport? Avoid the hassle of rushing to the airport (and catch some extra z's) by picking one of these stays near KTM:

Arriving at Seattle-Tacoma International Airport (SEA)

Getting from Seattle-Tacoma International Airport (SEA) to central Seattle

  • From Seattle-Tacoma International Airport, Seattle is approximately 23 kilometers away. It takes around 20 minutes to reach the center by car.

  • Traveling to the center on public transport will take you around 55 minutes.

When to fly to Seattle-Tacoma International Airport (SEA)

  • The quietest month for a flight from Tribhuvan International Airport to Seattle-Tacoma International Airport is May, while July is the most popular. Choose the best time to visit Seattle based on whether you prefer a more relaxed vibe or a faster pace.

  • When booking your flight from Tribhuvan International Airport to Seattle-Tacoma International Airport, consider the kind of weather you like. August is the warmest month in Seattle, with the temperature ranging from 12ºC (54ºF) to 28ºC (82ºF).

  • Look for cheap tickets from KTM to SEA in February if you like traveling in cooler conditions. Temperatures are at their lowest around then, ranging between -1ºC (30ºF) and 11ºC (52ºF) on average.

Explore more of United States

  • Seattle has loads to offer, but there are so many other corners of United States you'll want to see. Around 241 kilometers south of Seattle, a visit to Portland will keep your itinerary packed. Start with leading attractions like Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • Around 370 kilometers east of Seattle, Spokane is another essential stop in United States. Experience this destination's highlights firsthand at Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

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