NZ$1,314 Cheap Flights Seattle to Kathmandu (SEA-KTM)

View NZ$1,314 flight on Mon, 22 Sep. 2025Opens in a new window

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 for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu., 1 May - Mon., 19 May
SEA
Seattle
KTM
Kathmandu
NZ$2,454 Return, found 5 days ago
NZ$2,454
Return
found 5 days ago
Select Alaska Airlines flight, departing Thu., 1 May from Seattle to Kathmandu, returning Mon., 19 May, priced at NZ$2,454 found 5 days ago
Cathay Pacific
Thu., 1 May - Mon., 19 May
SEA
Seattle
KTM
Kathmandu
NZ$2,582 Return, found 5 days ago
NZ$2,582
Return
found 5 days ago
Select Cathay Pacific flight, departing Thu., 1 May from Seattle to Kathmandu, returning Mon., 19 May, priced at NZ$2,582 found 5 days ago
Cathay Pacific
Thu., 1 May - Mon., 19 May
SEA
Seattle
KTM
Kathmandu
NZ$2,606 Return, found 5 days ago
NZ$2,606
Return
found 5 days ago
Select Cathay Pacific flight, departing Thu., 1 May from Seattle to Kathmandu, returning Mon., 19 May, priced at NZ$2,606 found 5 days ago
Cathay Pacific
Thu., 1 May - Mon., 19 May
SEA
Seattle
KTM
Kathmandu
NZ$2,620 Return, found 5 days ago
NZ$2,620
Return
found 5 days ago
Select Cathay Pacific flight, departing Thu., 1 May from Seattle to Kathmandu, returning Mon., 19 May, priced at NZ$2,620 found 5 days ago
Cathay Pacific
Thu., 1 May - Mon., 19 May
SEA
Seattle
KTM
Kathmandu
NZ$2,621 Return, found 5 days ago
NZ$2,621
Return
found 5 days ago
Select Cathay Pacific flight, departing Thu., 1 May from Seattle to Kathmandu, returning Mon., 19 May, priced at NZ$2,621 found 5 days ago
Alaska Airlines
Thu., 1 May - Mon., 19 May
SEA
Seattle
KTM
Kathmandu
NZ$2,651 Return, found 5 days ago
NZ$2,651
Return
found 5 days ago
Select Alaska Airlines flight, departing Thu., 1 May from Seattle to Kathmandu, returning Mon., 19 May, priced at NZ$2,651 found 5 days ago
China Southern Airlines
Thu., 1 May - Mon., 19 May
SEA
Seattle
KTM
Kathmandu
NZ$2,656 Return, found 5 days ago
NZ$2,656
Return
found 5 days ago
Select China Southern Airlines flight, departing Thu., 1 May from Seattle to Kathmandu, returning Mon., 19 May, priced at NZ$2,656 found 5 days ago
Cathay Pacific
Thu., 1 May - Mon., 19 May
SEA
Seattle
KTM
Kathmandu
NZ$2,665 Return, found 5 days ago
NZ$2,665
Return
found 5 days ago
Select Cathay Pacific flight, departing Thu., 1 May from Seattle to Kathmandu, returning Mon., 19 May, priced at NZ$2,665 found 5 days ago
Qatar Airways
Tue., 12 Aug. - Sat., 16 Aug.
PAE
Seattle
KTM
Kathmandu
NZ$2,808 Return, found 1 day ago
NZ$2,808
Return
found 1 day ago
Select Qatar Airways flight, departing Tue., 12 Aug. from Seattle to Kathmandu, returning Sat., 16 Aug., priced at NZ$2,808 found 1 day ago
Emirates
Thu., 1 May - Mon., 19 May
SEA
Seattle
KTM
Kathmandu
NZ$2,829 Return, found 5 days ago
NZ$2,829
Return
found 5 days ago
Select Emirates flight, departing Thu., 1 May from Seattle to Kathmandu, returning Mon., 19 May, priced at NZ$2,829 found 5 days ago

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 NZ$2,454. 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.
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