฿26,750 Cheap Flights from Kathmandu (KTM) to Seattle (SEA)

View ฿26,750 flight on Thu, 5 Mar 2026Opens 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 (KTM) to Seattle (SEA)

Prices were available within the past 7 days and start at ฿26,750 for one-way flights and ฿45,915 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Thu, 5 Mar - Wed, 11 Mar
KTM
Kathmandu
SEA
Seattle
฿45,915 Return, found 4 days ago
฿45,915
Return
found 4 days ago
Select Qatar Airways flight, departing Thu, 5 Mar from Kathmandu to Seattle, returning Wed, 11 Mar, priced at ฿45,915 found 4 days ago
Qatar Airways
Thu, 5 Mar - Wed, 11 Mar
KTM
Kathmandu
SEA
Seattle
฿46,465 Return, found 4 days ago
฿46,465
Return
found 4 days ago
Select Qatar Airways flight, departing Thu, 5 Mar from Kathmandu to Seattle, returning Wed, 11 Mar, priced at ฿46,465 found 4 days ago
Qatar Airways
Thu, 5 Mar - Wed, 11 Mar
KTM
Kathmandu
SEA
Seattle
฿47,885 Return, found 4 days ago
฿47,885
Return
found 4 days ago
Select Qatar Airways flight, departing Thu, 5 Mar from Kathmandu to Seattle, returning Wed, 11 Mar, priced at ฿47,885 found 4 days ago
Qatar Airways
Thu, 5 Mar - Wed, 11 Mar
KTM
Kathmandu
SEA
Seattle
฿48,965 Return, found 4 days ago
฿48,965
Return
found 4 days ago
Select Qatar Airways flight, departing Thu, 5 Mar from Kathmandu to Seattle, returning Wed, 11 Mar, priced at ฿48,965 found 4 days ago
Qatar Airways
Thu, 5 Mar - Wed, 11 Mar
KTM
Kathmandu
SEA
Seattle
฿49,475 Return, found 4 days ago
฿49,475
Return
found 4 days ago
Select Qatar Airways flight, departing Thu, 5 Mar from Kathmandu to Seattle, returning Wed, 11 Mar, priced at ฿49,475 found 4 days ago
Qatar Airways
Thu, 5 Mar - Wed, 11 Mar
KTM
Kathmandu
SEA
Seattle
฿49,480 Return, found 4 days ago
฿49,480
Return
found 4 days ago
Select Qatar Airways flight, departing Thu, 5 Mar from Kathmandu to Seattle, returning Wed, 11 Mar, priced at ฿49,480 found 4 days ago
KLM
Thu, 5 Mar - Wed, 11 Mar
KTM
Kathmandu
SEA
Seattle
฿49,885 Return, found 4 days ago
฿49,885
Return
found 4 days ago
Select KLM flight, departing Thu, 5 Mar from Kathmandu to Seattle, returning Wed, 11 Mar, priced at ฿49,885 found 4 days ago
Emirates
Thu, 5 Mar - Wed, 11 Mar
KTM
Kathmandu
SEA
Seattle
฿51,750 Return, found 4 days ago
฿51,750
Return
found 4 days ago
Select Emirates flight, departing Thu, 5 Mar from Kathmandu to Seattle, returning Wed, 11 Mar, priced at ฿51,750 found 4 days ago
Cathay Pacific
Thu, 5 Mar - Wed, 11 Mar
KTM
Kathmandu
SEA
Seattle
฿54,155 Return, found 4 days ago
฿54,155
Return
found 4 days ago
Select Cathay Pacific flight, departing Thu, 5 Mar from Kathmandu to Seattle, returning Wed, 11 Mar, priced at ฿54,155 found 4 days ago
Turkish Airlines
Thu, 5 Mar - Wed, 11 Mar
KTM
Kathmandu
SEA
Seattle
฿57,210 Return, found 4 days ago
฿57,210
Return
found 4 days ago
Select Turkish Airlines flight, departing Thu, 5 Mar from Kathmandu to Seattle, returning Wed, 11 Mar, priced at ฿57,210 found 4 days ago

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

February is typically the cheapest month to fly

From ฿38,651 - ฿59,661 per traveller.
Flight from Kathmandu to Seattle route information
Origin airport
Tribhuvan Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
฿45,915
Distance
11146 km

Perfect flights from Kathmandu to Seattle

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Kathmandu to Seattle. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Tribhuvan Intl. to Seattle - Tacoma Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿26,750 and roundtrip prices from ฿45,915. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Seattle - Tacoma Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Seattle.

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 ฿45,915. 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.
*Available to Expedia members.