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Seattle To Kathmandu Flights

  • One-Way
  • Round-Trip
  • Multi-City

From

Indira Gandhi International Airport

To

Chhatrapati Shivaji International Airport

DEPARTURE DATE

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Friday

Return Date

Book a round trip
to save more

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TRAVELLER & CLASS

1 Traveller

Economy

August
September
October
November
December
January
February
March
April

August is by far the best month, wherein you can get cheapest flights for Seattle to Kathmandu. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.

disclDisclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Best Flight From Seattle To Kathmandu

Cheapest
Cathay Pacific airways
Cathay Pacific airways

SEA

19:05

Seattle

Seattle Tacoma International Airport

Sat , 30 Aug 2025

37h 55m
ellipse
2 Stop

KTM

21:45

Kathmandu

Tribhuvan International Airport

Mon, 01 Sep 2025

£554
Cathay Pacific airways
Cathay Pacific airways

SEA

20:08

Seattle

Seattle Tacoma International Airport

Sat , 30 Aug 2025

36h 52m
ellipse
2 Stop

KTM

21:45

Kathmandu

Tribhuvan International Airport

Mon, 01 Sep 2025

£554
EVA Air
EVA Air

SEA

01:10

Seattle

Seattle Tacoma International Airport

Sat , 30 Aug 2025

30h 40m
ellipse
2 Stop

KTM

20:35

Kathmandu

Tribhuvan International Airport

Sun, 31 Aug 2025

£648
EVA Air
EVA Air

SEA

02:10

Seattle

Seattle Tacoma International Airport

Sat , 30 Aug 2025

29h 40m
ellipse
2 Stop

KTM

20:35

Kathmandu

Tribhuvan International Airport

Sun, 31 Aug 2025

£648
JetBlue Airways
JetBlue Airways

SEA

23:20

Seattle

Seattle Tacoma International Airport

Sat , 30 Aug 2025

33h 40m
ellipse
2 Stop

KTM

21:45

Kathmandu

Tribhuvan International Airport

Mon, 01 Sep 2025

£664
JetBlue Airways
JetBlue Airways

SEA

23:20

Seattle

Seattle Tacoma International Airport

Sat , 30 Aug 2025

32h 00m
ellipse
2 Stop

KTM

20:05

Kathmandu

Tribhuvan International Airport

Mon, 01 Sep 2025

£727
American Airlines
American Airlines

SEA

16:30

Seattle

Seattle Tacoma International Airport

Sat , 30 Aug 2025

27h 35m
ellipse
1 Stop

KTM

08:50

Kathmandu

Tribhuvan International Airport

Mon, 01 Sep 2025

£818
Air Canada
Air Canada

SEA

05:30

Seattle

Seattle Tacoma International Airport

Sat , 30 Aug 2025

27h 30m
ellipse
2 Stop

KTM

21:45

Kathmandu

Tribhuvan International Airport

Sun, 31 Aug 2025

£966
Delta Airlines
Delta Airlines

SEA

17:40

Seattle

Seattle Tacoma International Airport

Sat , 30 Aug 2025

29h 25m
ellipse
2 Stop

KTM

11:50

Kathmandu

Tribhuvan International Airport

Mon, 01 Sep 2025

£1540
China Southern Airlines
China Southern Airlines

SEA

14:32

Seattle

Seattle Tacoma International Airport

Sat , 30 Aug 2025

32h 33m
ellipse
2 Stop

KTM

11:50

Kathmandu

Tribhuvan International Airport

Mon, 01 Sep 2025

£1638
Alaska Airlines
Alaska Airlines

SEA

15:59

Seattle

Seattle Tacoma International Airport

Sat , 30 Aug 2025

40h 51m
ellipse
2 Stop

KTM

21:35

Kathmandu

Tribhuvan International Airport

Mon, 01 Sep 2025

£1872
ellipse

Early Morning Flight Seattle to Kathmandu

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Cheapest Flight
Found
£648
group
Average Flight
Time
30h 40m
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Date/Time
30 Aug 2025
01:10 AM
plane
Airlines
EVA Air
Ellipse

Late Night Flight Seattle to Kathmandu

wallet
Cheapest Flight
Found
£664
group
Average Flight
Time
33h 40m
calendar
Date/Time
30 Aug 2025
23:20 PM
plane
Airlines
JetBlue Airways

Flights from Seattle to Kathmandu with Easemytrip

Flying from Seattle to Kathmandu has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.

The air route between Seattle to Kathmandu is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Seattle Tacoma International Airport (SEA) and Tribhuvan International Airport (KTM). You can expect a flight distance of approximately 11211 km, and most direct services cover it in around 21:21.

Let’s take a closer look at everything you need to know before booking your flight from Seattle to Kathmandu.

Travel Overview: Seattle to Kathmandu

Flight Details Information
Route Distance 11211 km
Average Flight Time 21:21 hrs
Departure Airport Seattle Tacoma International Airport (SEA)
Arrival Airport Tribhuvan International Airport (KTM)
Cabin Classes Available Economy Class, Premium Economy, Business Class, First Class
Direct Flights NO
Common Airlines Cathay Pacific airways, EVA Air, JetBlue Airways, American Airlines

The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.

Read more

FAQs about flights from Seattle to Kathmandu

Are there direct flights from Seattle to Kathmandu?

How early should I book?

Which airlines offer the most frequent service?

Is it cheaper to fly round-trip or one-way?

Can I mix airlines for departure and return?

Is it possible to change or cancel my booking after confirmation?

Can I book additional baggage or in-flight services in advance?