Cheap Flights from Seattle (SEA) to Kathmandu (KTM)

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

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Cheap Flights from Seattle (SEA) to Kathmandu (KTM)

Prices were available within the past 7 days and start at for one-way flights and ฿50,620 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Thu, 26 Mar - Sat, 4 Apr
SEA
Seattle
KTM
Kathmandu
฿50,620 Return, found 17 hours ago
฿50,620
Return
found 17 hours ago
Select Singapore Airlines flight, departing Thu, 26 Mar from Seattle to Kathmandu, returning Sat, 4 Apr, priced at ฿50,620 found 17 hours ago
Singapore Airlines
Thu, 26 Mar - Sat, 4 Apr
SEA
Seattle
KTM
Kathmandu
฿51,633 Return, found 17 hours ago
฿51,633
Return
found 17 hours ago
Select Singapore Airlines flight, departing Thu, 26 Mar from Seattle to Kathmandu, returning Sat, 4 Apr, priced at ฿51,633 found 17 hours ago
Alaska Airlines
Thu, 26 Mar - Sat, 4 Apr
SEA
Seattle
KTM
Kathmandu
฿54,480 Return, found 17 hours ago
฿54,480
Return
found 17 hours ago
Select Alaska Airlines flight, departing Thu, 26 Mar from Seattle to Kathmandu, returning Sat, 4 Apr, priced at ฿54,480 found 17 hours ago
United
Thu, 26 Mar - Sat, 4 Apr
SEA
Seattle
KTM
Kathmandu
฿55,300 Return, found 17 hours ago
฿55,300
Return
found 17 hours ago
Select United flight, departing Thu, 26 Mar from Seattle to Kathmandu, returning Sat, 4 Apr, priced at ฿55,300 found 17 hours ago
Alaska Airlines
Thu, 26 Mar - Sat, 4 Apr
SEA
Seattle
KTM
Kathmandu
฿55,405 Return, found 17 hours ago
฿55,405
Return
found 17 hours ago
Select Alaska Airlines flight, departing Thu, 26 Mar from Seattle to Kathmandu, returning Sat, 4 Apr, priced at ฿55,405 found 17 hours ago
United
Thu, 26 Mar - Sat, 4 Apr
SEA
Seattle
KTM
Kathmandu
฿56,190 Return, found 17 hours ago
฿56,190
Return
found 17 hours ago
Select United flight, departing Thu, 26 Mar from Seattle to Kathmandu, returning Sat, 4 Apr, priced at ฿56,190 found 17 hours ago
Qatar Airways
Thu, 26 Mar - Sat, 4 Apr
SEA
Seattle
KTM
Kathmandu
฿56,445 Return, found 17 hours ago
฿56,445
Return
found 17 hours ago
Select Qatar Airways flight, departing Thu, 26 Mar from Seattle to Kathmandu, returning Sat, 4 Apr, priced at ฿56,445 found 17 hours ago
Qatar Airways
Thu, 26 Mar - Sat, 4 Apr
SEA
Seattle
KTM
Kathmandu
฿56,525 Return, found 17 hours ago
฿56,525
Return
found 17 hours ago
Select Qatar Airways flight, departing Thu, 26 Mar from Seattle to Kathmandu, returning Sat, 4 Apr, priced at ฿56,525 found 17 hours ago
Alaska Airlines
Thu, 26 Mar - Sat, 4 Apr
SEA
Seattle
KTM
Kathmandu
฿57,065 Return, found 17 hours ago
฿57,065
Return
found 17 hours ago
Select Alaska Airlines flight, departing Thu, 26 Mar from Seattle to Kathmandu, returning Sat, 4 Apr, priced at ฿57,065 found 17 hours ago
Alaska Airlines
Thu, 26 Mar - Sat, 4 Apr
SEA
Seattle
KTM
Kathmandu
฿57,985 Return, found 17 hours ago
฿57,985
Return
found 17 hours ago
Select Alaska Airlines flight, departing Thu, 26 Mar from Seattle to Kathmandu, returning Sat, 4 Apr, priced at ฿57,985 found 17 hours ago
Alaska Airlines
Thu, 26 Mar - Sat, 4 Apr
SEA
Seattle
KTM
Kathmandu
฿58,010 Return, found 17 hours ago
฿58,010
Return
found 17 hours ago
Select Alaska Airlines flight, departing Thu, 26 Mar from Seattle to Kathmandu, returning Sat, 4 Apr, priced at ฿58,010 found 17 hours ago
Alaska Airlines
Thu, 26 Mar - Sat, 4 Apr
SEA
Seattle
KTM
Kathmandu
฿58,935 Return, found 17 hours ago
฿58,935
Return
found 17 hours ago
Select Alaska Airlines flight, departing Thu, 26 Mar from Seattle to Kathmandu, returning Sat, 4 Apr, priced at ฿58,935 found 17 hours ago
Cathay Pacific
Thu, 26 Mar - Sat, 4 Apr
SEA
Seattle
KTM
Kathmandu
฿59,010 Return, found 17 hours ago
฿59,010
Return
found 17 hours ago
Select Cathay Pacific flight, departing Thu, 26 Mar from Seattle to Kathmandu, returning Sat, 4 Apr, priced at ฿59,010 found 17 hours ago
Alaska Airlines
Thu, 26 Mar - Sat, 4 Apr
SEA
Seattle
KTM
Kathmandu
฿59,365 Return, found 17 hours ago
฿59,365
Return
found 17 hours ago
Select Alaska Airlines flight, departing Thu, 26 Mar from Seattle to Kathmandu, returning Sat, 4 Apr, priced at ฿59,365 found 17 hours ago
Qatar Airways
Thu, 26 Mar - Sat, 4 Apr
SEA
Seattle
KTM
Kathmandu
฿60,670 Return, found 17 hours ago
฿60,670
Return
found 17 hours ago
Select Qatar Airways flight, departing Thu, 26 Mar from Seattle to Kathmandu, returning Sat, 4 Apr, priced at ฿60,670 found 17 hours ago
Qatar Airways
Thu, 26 Mar - Sat, 4 Apr
SEA
Seattle
KTM
Kathmandu
฿60,750 Return, found 17 hours ago
฿60,750
Return
found 17 hours ago
Select Qatar Airways flight, departing Thu, 26 Mar from Seattle to Kathmandu, returning Sat, 4 Apr, priced at ฿60,750 found 17 hours ago
Emirates
Thu, 26 Mar - Sat, 4 Apr
SEA
Seattle
KTM
Kathmandu
฿62,975 Return, found 17 hours ago
฿62,975
Return
found 17 hours ago
Select Emirates flight, departing Thu, 26 Mar from Seattle to Kathmandu, returning Sat, 4 Apr, priced at ฿62,975 found 17 hours ago
Korean Air
Thu, 26 Mar - Sat, 4 Apr
SEA
Seattle
KTM
Kathmandu
฿80,935 Return, found 17 hours ago
฿80,935
Return
found 17 hours ago
Select Korean Air flight, departing Thu, 26 Mar from Seattle to Kathmandu, returning Sat, 4 Apr, priced at ฿80,935 found 17 hours ago
KLM
Thu, 26 Mar - Sat, 4 Apr
SEA
Seattle
KTM
Kathmandu
฿84,445 Return, found 17 hours ago
฿84,445
Return
found 17 hours ago
Select KLM flight, departing Thu, 26 Mar from Seattle to Kathmandu, returning Sat, 4 Apr, priced at ฿84,445 found 17 hours ago

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

April is typically the cheapest month to fly

From ฿29,531 - ฿62,288 per traveller.
Flight from Seattle to Kathmandu route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Tribhuvan Intl.
Airlines serving
Cathay Pacific, Emirates, KLM, Korean Air, Qatar Airways, Singapore Airlines
Return price
฿50,620
Distance
11146 km

Perfect flights from Seattle to Kathmandu

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seattle to Kathmandu. 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 Seattle - Tacoma Intl. to Tribhuvan Intl. ticket options cater to your travel preferences, with incredible one-way fares and roundtrip prices from ฿50,620. 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 Tribhuvan 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 Kathmandu.

Frequently asked questions

How much is a flight from Seattle - Tacoma Intl. Airport (SEA) to KTM?
Round-trip journeys between Sea-Tac Airport and Tribhuvan Intl. Airport start from ฿50,620. This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP 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 Seattle - Tacoma Intl. Airport (SEA) to Tribhuvan Intl. Airport (KTM)?
Most flights can be cancelled online, but whether or not you incur a fee all comes down to your airline. If you do have to cancel your trip, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Tribhuvan Intl. Airport (KTM) 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 SEA to Tribhuvan Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SEA to Tribhuvan Intl. Airport (KTM)?
You'll have 11,200 kilometres to cover on the long-haul SeaTac to Kathmandu route. Dress in layers of comfortable clothes and consider taking a neck pillow with you.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Tribhuvan Intl. Airport?
Flying nonstop between Sea-Tac Airport and KTM isn't possible at present. However, you'll still be able to find a flight to Kathmandu with at least one stop.
Are Seattle - Tacoma Intl. Airport (SEA) to Tribhuvan Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from SEA to Tribhuvan Intl. Airport last minute could save you some cash. However, it could end up costing a great deal more! If you'd rather not take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back frequently as deals are updated on Expedia all the time.
*Available to Expedia members.