S$1,036 Cheap Flights from Kathmandu to Seattle

View S$1,036 flight on Wed, 1 Oct, 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$1,036 for one-way flights and S$1,652 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Tue, 30 Sep - Tue, 28 Oct
KTM
Kathmandu
SEA
Seattle
S$1,652 Return, found 4 days ago
S$1,652
Return
found 4 days ago
Select Singapore Airlines flight, departing Tue, 30 Sep from Kathmandu to Seattle, returning Tue, 28 Oct, priced at S$1,652 found 4 days ago
Singapore Airlines
Wed, 1 Oct - Wed, 22 Oct
KTM
Kathmandu
SEA
Seattle
S$1,728 Return, found 3 days ago
S$1,728
Return
found 3 days ago
Select Singapore Airlines flight, departing Wed, 1 Oct from Kathmandu to Seattle, returning Wed, 22 Oct, priced at S$1,728 found 3 days ago
Singapore Airlines
Wed, 1 Oct - Wed, 22 Oct
KTM
Kathmandu
SEA
Seattle
S$1,754 Return, found 3 days ago
S$1,754
Return
found 3 days ago
Select Singapore Airlines flight, departing Wed, 1 Oct from Kathmandu to Seattle, returning Wed, 22 Oct, priced at S$1,754 found 3 days ago
Singapore Airlines
Wed, 1 Oct - Wed, 22 Oct
KTM
Kathmandu
SEA
Seattle
S$1,770 Return, found 3 days ago
S$1,770
Return
found 3 days ago
Select Singapore Airlines flight, departing Wed, 1 Oct from Kathmandu to Seattle, returning Wed, 22 Oct, priced at S$1,770 found 3 days ago
Singapore Airlines
Wed, 1 Oct - Wed, 22 Oct
KTM
Kathmandu
SEA
Seattle
S$1,773 Return, found 3 days ago
S$1,773
Return
found 3 days ago
Select Singapore Airlines flight, departing Wed, 1 Oct from Kathmandu to Seattle, returning Wed, 22 Oct, priced at S$1,773 found 3 days ago
Singapore Airlines
Wed, 1 Oct - Wed, 22 Oct
KTM
Kathmandu
SEA
Seattle
S$1,799 Return, found 3 days ago
S$1,799
Return
found 3 days ago
Select Singapore Airlines flight, departing Wed, 1 Oct from Kathmandu to Seattle, returning Wed, 22 Oct, priced at S$1,799 found 3 days ago
Qatar Airways
Wed, 1 Oct - Wed, 22 Oct
KTM
Kathmandu
SEA
Seattle
S$1,864 Return, found 3 days ago
S$1,864
Return
found 3 days ago
Select Qatar Airways flight, departing Wed, 1 Oct from Kathmandu to Seattle, returning Wed, 22 Oct, priced at S$1,864 found 3 days ago
Air India
Mon, 29 Sep - Tue, 28 Oct
KTM
Kathmandu
SEA
Seattle
S$2,035 Return, found 4 days ago
S$2,035
Return
found 4 days ago
Select Air India flight, departing Mon, 29 Sep from Kathmandu to Seattle, returning Tue, 28 Oct, priced at S$2,035 found 4 days ago
KLM
Tue, 30 Sep - Tue, 28 Oct
KTM
Kathmandu
SEA
Seattle
S$2,090 Return, found 4 days ago
S$2,090
Return
found 4 days ago
Select KLM flight, departing Tue, 30 Sep from Kathmandu to Seattle, returning Tue, 28 Oct, priced at S$2,090 found 4 days ago
Emirates
Wed, 1 Oct - Wed, 22 Oct
KTM
Kathmandu
SEA
Seattle
S$2,096 Return, found 3 days ago
S$2,096
Return
found 3 days ago
Select Emirates flight, departing Wed, 1 Oct from Kathmandu to Seattle, returning Wed, 22 Oct, priced at S$2,096 found 3 days ago

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

February is typically the cheapest month to fly

From S$1,532 - S$2,365 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$1,652
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 Cathay Pacific, Air India, Singapore Airlines, KLM, Emirates, Qatar Airways. 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$1,036 and roundtrip prices from S$1,652*.
 

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$1,652. 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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