KTM - SEA

C$ 1,322 Find Cheap Flights from Kathmandu to Seattle – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
C$ 1,700
Typical prices: C$ 1,777-C$ 2,276
Korean Air
Wed 10/10Mon 22/10
KTM - SEA • 1 stop
Cheapest one-way flights
C$ 1,322
Typical prices: C$ 1,098-C$ 1,473
Cathay Pacific
Tue 16/10
KTM - SEA • 1 stop
When to travel
Cheapest • 12% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 1,815 (round-trip)
Shortest trip • 22h 19m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Seattle!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Kathmandu to Seattle (KTM-SEA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Kathmandu to Seattle

Sat, 10 Oct - Thu, 22 Oct
Korean Air Logo
7:20 p.m. - 10:40 a.m.KTM  Kathmandu Tribhuvan-SEA Seattle/Tacoma Intl
28h 05m1 stop Incheon Intl
Korean Air Logo
12:50 p.m. - 5:15 p.m.SEA  Seattle/Tacoma Intl-KTM Kathmandu Tribhuvan
39h 40m1 stop Incheon Intl
C$ 1,700Korean Air
Sat, 10 Oct - Thu, 22 Oct
Korean Air Logo
7:20 p.m. - 10:40 a.m.KTM  Kathmandu Tribhuvan-SEA Seattle/Tacoma Intl
28h 05m1 stop Incheon Intl
Korean Air Logo
12:10 a.m. - 5:15 p.m.SEA  Seattle/Tacoma Intl-KTM Kathmandu Tribhuvan
28h 20m1 stop Incheon Intl
C$ 1,702Korean Air
Fri, 15 Jan - Sun, 7 Feb
Korean Air Logo
7:25 p.m. - 2:10 p.m.KTM  Kathmandu Tribhuvan-SEA Seattle/Tacoma Intl
32h 30m1 stop Incheon Intl
Korean Air Logo
11:00 a.m. - 5:00 p.m.SEA  Seattle/Tacoma Intl-KTM Kathmandu Tribhuvan
40h 15m1 stop Incheon Intl
C$ 1,704Korean Air
Fri, 15 Jan - Wed, 10 Feb
Korean Air Logo
7:25 p.m. - 2:10 p.m.KTM  Kathmandu Tribhuvan-SEA Seattle/Tacoma Intl
32h 30m1 stop Incheon Intl
Korean Air Logo
12:10 a.m. - 5:00 p.m.SEA  Seattle/Tacoma Intl-KTM Kathmandu Tribhuvan
27h 05m1 stop Incheon Intl
C$ 1,718Korean Air
Tue, 3 Nov - Sun, 22 Nov
Korean Air Logo
7:25 p.m. - 9:05 a.m.KTM  Kathmandu Tribhuvan-SEA Seattle/Tacoma Intl
27h 25m1 stop Incheon Intl
Korean Air Logo
11:00 a.m. - 5:00 p.m.SEA  Seattle/Tacoma Intl-KTM Kathmandu Tribhuvan
40h 15m1 stop Incheon Intl
C$ 1,807Korean Air
Tue, 3 Nov - Wed, 18 Nov
Korean Air Logo
7:25 p.m. - 9:05 a.m.KTM  Kathmandu Tribhuvan-SEA Seattle/Tacoma Intl
27h 25m1 stop Incheon Intl
Korean Air Logo
11:00 a.m. - 5:00 p.m.SEA  Seattle/Tacoma Intl-KTM Kathmandu Tribhuvan
40h 15m1 stop Incheon Intl
C$ 1,823Korean Air
Tue, 12 Jan - Sun, 31 Jan
Korean Air Logo
7:25 p.m. - 9:05 a.m.KTM  Kathmandu Tribhuvan-SEA Seattle/Tacoma Intl
27h 25m1 stop Incheon Intl
Korean Air Logo
11:00 a.m. - 5:00 p.m.SEA  Seattle/Tacoma Intl-KTM Kathmandu Tribhuvan
40h 15m1 stop Incheon Intl
C$ 1,916Korean Air
Sun, 11 Oct - Fri, 23 Oct
Multiple Airlines Logo
3:30 p.m. - 12:25 p.m.KTM  Kathmandu Tribhuvan-SEA Seattle/Tacoma Intl
33h 40m1 stop Doha Hamad Intl
Multiple Airlines Logo
4:25 p.m. - 9:50 a.m.SEA  Seattle/Tacoma Intl-KTM Kathmandu Tribhuvan
28h 40m1 stop Doha Hamad Intl
C$ 1,937Multiple Airlines
Sat, 31 Oct - Tue, 17 Nov
Qatar Airways Logo
5:40 p.m. - 12:40 p.m.KTM  Kathmandu Tribhuvan-SEA Seattle/Tacoma Intl
31h 45m1 stop Doha Hamad Intl
Qatar Airways Logo
3:50 p.m. - 9:50 a.m.SEA  Seattle/Tacoma Intl-KTM Kathmandu Tribhuvan
28h 15m1 stop Doha Hamad Intl
C$ 1,986Qatar Airways
Tue, 15 Dec - Wed, 30 Dec
Korean Air Logo
7:25 p.m. - 9:05 a.m.KTM  Kathmandu Tribhuvan-SEA Seattle/Tacoma Intl
27h 25m1 stop Incheon Intl
Korean Air Logo
11:00 a.m. - 5:00 p.m.SEA  Seattle/Tacoma Intl-KTM Kathmandu Tribhuvan
40h 15m1 stop Incheon Intl
C$ 1,997Korean Air
Booking Insights

Price, demand, and travel trends for Kathmandu to Seattle flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Kathmandu to Seattle with more confidence.

How much is a round-trip flight from Kathmandu to Seattle?

Round-trip flights from Kathmandu to Seattle start at C$ 1,700. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 1,777 to C$ 2,276. The lowest price found in the past 5 days was C$ 1,700 on Korean Air.

What's the cheapest day of the week to fly from Kathmandu to Seattle?

Wednesday is the cheapest day of the week to fly from Kathmandu to Seattle and is 16% cheaper than the average day. Friday is the most expensive day with flight prices 24% higher than average. Based on deals found by KAYAK users in the last 12 months.

Key details for Kathmandu to Seattle flights

Low season

September

Cheapest flight

C$ 1,322
Flights from Kathmandu to Seattle

When to book flights from Kathmandu to Seattle

Are your dates flexible? Find out the best times to travel from Kathmandu to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Kathmandu to Seattle flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Can I bring a pet on Turkish Airlines flights from Kathmandu to Seattle?

    Turkish Airlines allows pets on board its flights. Both dogs and cats can be carried in the cabin in an appropriate container, provided the total weight of the container and the animal does not exceed 17 lbs. Alternatively, larger pets can be transported as checked baggage.

  • How do I go from Seattle Airport (SEA) to the city center?

    To go from Seattle Airport (SEA) to the city center, one option is to take the Link Light Rail. The SeaTac/Airport Link light rail station is about a 10-15 minute walk from the airport terminal, and the final stop is at Westlake Center in Downtown Seattle. The train provides fast and direct transportation, taking just 35 minutes to reach the city center. Trains arrive every 8 to 15 minutes, depending on the time of day. Another option is to use buses or taxis that are available from the airport.

  • What seat options does Qatar Airways provide on flights from Kathmandu to Seattle?

    Qatar Airways provides a range of seat options on flights from Kathmandu to Seattle, including Standard Seat Selection, chargeable Seat Selection for preferred seats, and other seating options. On most fares, Standard Seat Selection is available free of charge, which offers standard economy seats with extra legroom. Preferred Seat Purchase is also available for a fee, which allows passengers to select preferred seats, subject to availability.

  • What is the luggage allowance on Korean Air flights from Kathmandu to Seattle?

    The luggage allowance on Korean Air flights varies depending on the class of travel. Economy class passengers are generally allowed one free checked bag with a maximum weight of 50 lbs and a maximum dimension of 62 in and one carry-on bag with a maximum weight of 26 lbs and a maximum dimension of 45 in. Prestige and First class passengers usually have a higher luggage allowance, with two to three free checked bags and a higher weight limit per bag.

  • Which airports can I use when flying from Kathmandu to Seattle?

    Flights from Kathmandu to Seattle usually depart from Kathmandu Tribhuvan (KTM) and arrive at Seattle/Tacoma Intl (SEA).

  • Which cabin classes can I book on flights from Kathmandu to Seattle?

    Only Economy Class is available on flights from Kathmandu to Seattle.

  • Which airports do connecting flights from Kathmandu to Seattle pass through?

    One-stop flights from Kathmandu to Seattle most commonly connect through:

    • Singapore Changi (SIN) – 36% of one-stop connections
    • Dubai Intl (DXB) – 27% of one-stop connections
    • Incheon Intl (ICN) – 15% of one-stop connections
    • Doha Hamad Intl (DOH) – 14% of one-stop connections

    Singapore Changi (SIN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Kathmandu to Seattle?

    Yes. Being flexible with your travel dates can save you up to 32% on the Kathmandu to Seattle route. Wednesday is the cheapest departure day at C$ 1,639 round-trip on average, while Friday is the most expensive at C$ 2,396, a difference of C$ 757. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Which popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Lumen Field, T-Mobile Park, and Seattle Waterfront. These are among the most viewed places in Seattle on KAYAK.

  • How long does a flight from Kathmandu to Seattle take?

    There are currently no direct flights available from Kathmandu to Seattle. Flights with 1 layover take between 22h 19m and 33h 19m in total, depending on the connection.

  • Do I need a passport to fly from Kathmandu to Seattle?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Kathmandu to Seattle looking right now?

    One-way fares from Kathmandu to Seattle are currently higher than usual. Average one-way flight prices are about C$ 2,920, which is 134% above the typical average for this route.

  • How much time can I save by choosing a different layover airport when travelling from Kathmandu to Seattle?

    Flying via Istanbul (IST) gives the shortest average 1-stop total travel time at 22h 19m, compared with 22h 28m via Hong Kong Intl (HKG) and 23h 08m via Singapore Changi (SIN).

  • What is the time difference between Kathmandu and Seattle?

    Seattle is 12 hours behind Kathmandu (Pacific Time vs Nepal Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around C$ 5 for economy cars. Top options include:
    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Dollar

  • How much should I expect to pay for a Kathmandu to Seattle flight?

    Round-trip flights from Kathmandu to Seattle range from C$ 1,777 to C$ 2,276, with an average of C$ 1,930 over the past 12 months. Anything below C$ 1,777 counts as a good deal.

Your guide to booking Kathmandu to Seattle flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure instead of Friday. On this route, Wednesday flights average C$ 1,639 – about C$ 757 less than Friday (32% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Kathmandu to Seattle trip for February. Fares historically average C$ 1,695 round-trip in that month – typically C$ 582 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.
    - Seattle Airport Marriott
    - Coast Gateway Hotel
    - Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport
  • Air China has implemented various measures to reduce its carbon emissions, including carbon offset programs, green fuel initiatives, and the use of more fuel-efficient aircraft including flights from Kathmandu to Seattle.
  • Malaysian Airlines operates scheduled flights between Kathmandu and Seattle. Passengers at the airport can access lounges through various lounge access programs such as Priority Pass or LoungeKey. The Executive Lounge at Tribhuvan International Airport (KTM) is specifically used by Malaysia Airlines passengers.
  • Layovers for flights from Kathmandu to Seattle vary depending on the airline. Some common layovers include Doha (DOH), Los Angeles (LAX), Dubai (DXB), and Kuala Lumpur (KUL).
  • Emirates provides a range of services for people with reduced mobility flights from Kathmandu to Seattle, including assistance with boarding, deplaning, and transferring between flights. The airline offers wheelchair assistance, with airport staff helping passengers to move through the airport and board the aircraft.
  • Delta Airlines offers a range of services for families with kids flights from Kathmandu to Seattle, including kid-friendly meals as part of its on board menu, and Delta also has an Unaccompanied Minor Program for children traveling alone.

More options for your flight from Kathmandu to Seattle

Complete your trip to Seattle with a hotel stay or car rental