S$1,097 Cheap Flights from Kathmandu to Seattle

View S$1,097 flight on Thu, 25 Sep, 2025Opens in a new window

Popular airlines from Tribhuvan Intl. Airport (KTM) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Kathmandu to Seattle (KTM-SEA)

Prices were available within the past 7 days and start at S$1,097 for one-way flights and S$1,868 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Thu, 25 Sep - Wed, 15 Oct
KTM
Kathmandu
SEA
Seattle
S$1,868 Return, found 8 hours ago
S$1,868
Return
found 8 hours ago
Select Qatar Airways flight, departing Thu, 25 Sep from Kathmandu to Seattle, returning Wed, 15 Oct, priced at S$1,868 found 8 hours ago
Qatar Airways
Thu, 25 Sep - Wed, 15 Oct
KTM
Kathmandu
SEA
Seattle
S$1,871 Return, found 8 hours ago
S$1,871
Return
found 8 hours ago
Select Qatar Airways flight, departing Thu, 25 Sep from Kathmandu to Seattle, returning Wed, 15 Oct, priced at S$1,871 found 8 hours ago
Qatar Airways
Thu, 25 Sep - Wed, 15 Oct
KTM
Kathmandu
SEA
Seattle
S$1,882 Return, found 8 hours ago
S$1,882
Return
found 8 hours ago
Select Qatar Airways flight, departing Thu, 25 Sep from Kathmandu to Seattle, returning Wed, 15 Oct, priced at S$1,882 found 8 hours ago
Qatar Airways
Thu, 25 Sep - Wed, 15 Oct
KTM
Kathmandu
SEA
Seattle
S$1,886 Return, found 8 hours ago
S$1,886
Return
found 8 hours ago
Select Qatar Airways flight, departing Thu, 25 Sep from Kathmandu to Seattle, returning Wed, 15 Oct, priced at S$1,886 found 8 hours ago
Turkish Airlines
Thu, 25 Sep - Wed, 15 Oct
KTM
Kathmandu
SEA
Seattle
S$2,053 Return, found 8 hours ago
S$2,053
Return
found 8 hours ago
Select Turkish Airlines flight, departing Thu, 25 Sep from Kathmandu to Seattle, returning Wed, 15 Oct, priced at S$2,053 found 8 hours ago
KLM
Thu, 25 Sep - Wed, 15 Oct
KTM
Kathmandu
SEA
Seattle
S$2,214 Return, found 8 hours ago
S$2,214
Return
found 8 hours ago
Select KLM flight, departing Thu, 25 Sep from Kathmandu to Seattle, returning Wed, 15 Oct, priced at S$2,214 found 8 hours ago
KLM
Thu, 25 Sep - Wed, 15 Oct
KTM
Kathmandu
SEA
Seattle
S$2,214 Return, found 8 hours ago
S$2,214
Return
found 8 hours ago
Select KLM flight, departing Thu, 25 Sep from Kathmandu to Seattle, returning Wed, 15 Oct, priced at S$2,214 found 8 hours ago
Singapore Airlines
Thu, 25 Sep - Wed, 15 Oct
KTM
Kathmandu
SEA
Seattle
S$2,218 Return, found 8 hours ago
S$2,218
Return
found 8 hours ago
Select Singapore Airlines flight, departing Thu, 25 Sep from Kathmandu to Seattle, returning Wed, 15 Oct, priced at S$2,218 found 8 hours ago
Singapore Airlines
Thu, 25 Sep - Wed, 15 Oct
KTM
Kathmandu
SEA
Seattle
S$2,253 Return, found 8 hours ago
S$2,253
Return
found 8 hours ago
Select Singapore Airlines flight, departing Thu, 25 Sep from Kathmandu to Seattle, returning Wed, 15 Oct, priced at S$2,253 found 8 hours ago
Emirates
Thu, 25 Sep - Wed, 15 Oct
KTM
Kathmandu
SEA
Seattle
S$2,425 Return, found 8 hours ago
S$2,425
Return
found 8 hours ago
Select Emirates flight, departing Thu, 25 Sep from Kathmandu to Seattle, returning Wed, 15 Oct, priced at S$2,425 found 8 hours ago

Find the cheapest month to fly from Kathmandu (KTM) to Seattle (SEA)

February is typically the cheapest month to fly

From S$1,524 - S$2,352 per traveller.

Graph displaying average flight prices per month

Kathmandu to Seattle route information
Origin airport
Tribhuvan Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
S$1,868
Distance
11146 km

Perfect flights from Kathmandu to Seattle

Your Journey from Kathmandu to Seattle

Start your unforgettable journey with Expedia. Our broad selection of flights from Kathmandu to Seattle caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including KLM, Singapore Airlines, Cathay Pacific, Air India, Emirates, Qatar Airways, Turkish Airlines. Our selection of flights from Tribhuvan Intl. to Seattle - Tacoma Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Kathmandu to Seattle Flights

Experience the joy of finding cheap flights from Tribhuvan Intl. to Seattle - Tacoma Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$1,097 and roundtrip prices from S$1,868*.
 

Pre-Flight Essentials

Ensure a smooth journey from Kathmandu to Seattle with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Seattle

Picture yourself stepping off the plane in Seattle and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Kathmandu to Seattle Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Kathmandu to Seattle.
 

Beyond the Flight – Exploring Seattle

With Expedia, your adventure extends beyond the flight. Explore Seattle at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Kathmandu to Seattle with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Kathmandu to Seattle with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Tribhuvan Intl. Airport (KTM) to Sea-Tac Airport?
Round-trip journeys between KTM and SEA start from S$1,868. This is based on fares advertised within the last 7 days on Expedia for flights departing within the next year --- book today so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Tribhuvan Intl. Airport (KTM) to Sea-Tac Airport?
The majority of flights can be cancelled online, but whether you incur a fee varies between airlines. If you do need to cancel your escape, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Tribhuvan Intl. Airport (KTM) to Seattle - Tacoma Intl. Airport (SEA) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Tribhuvan Intl. Airport to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from KTM to Seattle - Tacoma Intl. Airport (SEA)?
You'll have 11,200 kilometres to cover on the long-haul Kathmandu to SeaTac route. Dress in layers of comfy clothes and consider taking earplugs and a sleep mask.
Which airlines fly direct from KTM to Sea-Tac Airport?
Flying nonstop between Tribhuvan Intl. Airport and Sea-Tac Airport isn't possible at this time. However, you'll still be able to book a flight to SeaTac with at least one stop.
Are Tribhuvan Intl. Airport (KTM) to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Airline tickets from Tribhuvan Intl. Airport (KTM) to Sea-Tac Airport are available up to 12 months prior to departure on Expedia. And although you may pick up a fantastic last-minute deal, it's never a sure thing. Also, booking your flights well in advance means you'll have more options --- and you can avoid getting caught in the dreaded middle seat! We frequently update our fares to make sure you get the biggest bargains, so keep checking in for all the latest specials.

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