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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

January
February
March
April
August
September
October
November
December

January 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

Turkish Airlines
Turkish Airlines

Seattle

19:00

Seattle

Seattle Tacoma International Airport

Mon , 26 Jan 2026

26h 25m
ellipse
1 Stop

Kathmandu

11:10

Kathmandu

Tribhuvan International Airport

Wed, 28 Jan 2026

£810
Cathay Pacific airways
Cathay Pacific airways

Seattle

15:57

Seattle

Seattle Tacoma International Airport

Mon , 26 Jan 2026

39h 48m
ellipse
2 Stop

Kathmandu

21:30

Kathmandu

Tribhuvan International Airport

Wed, 28 Jan 2026

£811
Qatar Airways
Qatar Airways

Seattle

16:05

Seattle

Seattle Tacoma International Airport

Mon , 26 Jan 2026

26h 05m
ellipse
1 Stop

Kathmandu

07:55

Kathmandu

Tribhuvan International Airport

Wed, 28 Jan 2026

£1014
Cathay Pacific airways
Cathay Pacific airways

Seattle

19:55

Seattle

Seattle Tacoma International Airport

Mon , 26 Jan 2026

35h 50m
ellipse
2 Stop

Kathmandu

21:30

Kathmandu

Tribhuvan International Airport

Wed, 28 Jan 2026

£1031
American Airlines
American Airlines

Seattle

16:05

Seattle

Seattle Tacoma International Airport

Mon , 26 Jan 2026

34h 35m
ellipse
1 Stop

Kathmandu

16:25

Kathmandu

Tribhuvan International Airport

Wed, 28 Jan 2026

£1112
Delta Airlines
Delta Airlines

Seattle

17:40

Seattle

Seattle Tacoma International Airport

Mon , 26 Jan 2026

38h 25m
ellipse
2 Stop

Kathmandu

21:50

Kathmandu

Tribhuvan International Airport

Wed, 28 Jan 2026

£1294
Alaska Airlines
Alaska Airlines

Seattle

15:57

Seattle

Seattle Tacoma International Airport

Mon , 26 Jan 2026

40h 08m
ellipse
2 Stop

Kathmandu

21:50

Kathmandu

Tribhuvan International Airport

Wed, 28 Jan 2026

£1369
Emirates
Emirates

Seattle

09:25

Seattle

Seattle Tacoma International Airport

Mon , 26 Jan 2026

33h 10m
ellipse
2 Stop

Kathmandu

08:20

Kathmandu

Tribhuvan International Airport

Wed, 28 Jan 2026

£1502
Emirates
Emirates

Seattle

10:58

Seattle

Seattle Tacoma International Airport

Mon , 26 Jan 2026

31h 37m
ellipse
2 Stop

Kathmandu

08:20

Kathmandu

Tribhuvan International Airport

Wed, 28 Jan 2026

£1538
American Airlines
American Airlines

Seattle

16:05

Seattle

Seattle Tacoma International Airport

Mon , 26 Jan 2026

26h 05m
ellipse
1 Stop

Kathmandu

07:55

Kathmandu

Tribhuvan International Airport

Wed, 28 Jan 2026

£1626
KLM Royal Dutch Airlines
KLM Royal Dutch Airlines

Seattle

15:10

Seattle

Seattle Tacoma International Airport

Mon , 26 Jan 2026

28h 55m
ellipse
2 Stop

Kathmandu

09:50

Kathmandu

Tribhuvan International Airport

Wed, 28 Jan 2026

£2030
ellipse

Early Morning Flight Seattle to Kathmandu

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Cheapest Flight
Found
£1502
group
Average Flight
Time
33h 10m
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Date/Time
26 Jan 2026
09:25 AM
plane
Airlines
Emirates
Ellipse

Late Night Flight Seattle to Kathmandu

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Cheapest Flight
Found
£810
group
Average Flight
Time
26h 25m
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Date/Time
26 Jan 2026
19:00 PM
plane
Airlines
Turkish Airlines

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 22:34.

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 22:34 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 Turkish Airlines, Cathay Pacific airways, Qatar 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?