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Kathmandu to Seattle - Flights Starting at US$766

Book one-way or return flights from Kathmandu to Seattle from as little as US$766. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

We've found these cheap flights for you. You may book a one-way or round trip as per your needs.

We monitor flight fares to help you seize the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Kathmandu to Seattle

View airlines operating flights from Kathmandu to Seattle. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Royal Nepal Airlines
From US$688
Vistara
From US$731
IndiGo
From US$738
Himalaya Airlines
From US$747
Turkish Airlines
From US$766
Singapore Airlines
From US$785
Thai Airways
From US$787
Thai Lion Air
From US$796
FlexFlight
From US$839
China Southern Airlines
From US$912
ANA airlines

Find more flights and airlines

Alternative Routes from Kathmandu to Seattle

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Kathmandu to Seattle.

  • Cheapest
    Royal Nepal Airlines
    KTM
    13:25
    33h 55m
    2 transfer
    SEA
    10:35
    Tribhuvan International Airport - Seattle-Tacoma International Airport
    Sun, Jun 23Royal Nepal Airlines
    US$688
  • Royal Nepal Airlines
    KTM
    13:25
    33h 55m
    2 transfer
    SEA
    10:35
    Tribhuvan International Airport - Seattle-Tacoma International Airport
    Sun, Jun 23Royal Nepal Airlines
    US$688
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Kathmandu (KTM) to Seattle (SEA) the cheapest?

    Airlines adjust prices for flights from Kathmandu to Seattle based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Kathmandu (KTM) to Seattle (SEA) cost?

    According to Trip.com's data, the lowest price is around $1,715.
  • What is the transportation method from the main airport to downtown in Seattle?

    • The distance from Seattle-Tacoma International Airport to downtown is about 17km. It takes about 30 minutes by taxi.

How to find a cheap flight from Kathmandu to Seattle

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Kathmandu to Seattle. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Kathmandu to Seattle Flight Information

Cheapest nonstop flight price

$766

Off-season for travel

February

Peak season for travel

November

Flight distance

11,211.96km

Popular airline

IndiGo