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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
May
June
August
September
October
November
December

March is by far the best month, wherein you can get cheapest flights for Seattle to Kathmandu. Meanwhile, June 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.

Things to know
arrow One Way Fare
March

March- During this month the footfall is less so, the flight is gradually inexpensive.

round Round Trip Fare
March

March - is the cheapest month to book round trip flights.

disclDisclaimer - All the 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

Cathay Pacific airways
Cathay Pacific airways

Seattle

19:55

Seattle Tacoma International Airport [SEA]

Wed , 21 Jan 2026

35h 50m
ellipse
2 Stop

Kathmandu

21:30

Tribhuvan International Airport [KTM]

Fri, 23 Jan 2026

$564
Alaska Airlines
Alaska Airlines

Seattle

14:40

Seattle Tacoma International Airport [SEA]

Wed , 21 Jan 2026

36h 05m
ellipse
2 Stop

Kathmandu

16:30

Tribhuvan International Airport [KTM]

Fri, 23 Jan 2026

$688
EVA Air
EVA Air

Seattle

00:10

Seattle Tacoma International Airport [SEA]

Wed , 21 Jan 2026

31h 35m
ellipse
2 Stop

Kathmandu

21:30

Tribhuvan International Airport [KTM]

Thu, 22 Jan 2026

$735
EVA Air
EVA Air

Seattle

00:10

Seattle Tacoma International Airport [SEA]

Wed , 21 Jan 2026

30h 40m
ellipse
2 Stop

Kathmandu

20:35

Tribhuvan International Airport [KTM]

Thu, 22 Jan 2026

$819
Emirates
Emirates

Seattle

16:05

Seattle Tacoma International Airport [SEA]

Wed , 21 Jan 2026

27h 50m
ellipse
Non Stop

Kathmandu

09:40

Tribhuvan International Airport [KTM]

Fri, 23 Jan 2026

$888
Turkish Airlines
Turkish Airlines

Seattle

19:00

Seattle Tacoma International Airport [SEA]

Mon , 19 Jan 2026

26h 25m
ellipse
1 Stop

Kathmandu

11:10

Tribhuvan International Airport [KTM]

Wed, 21 Jan 2026

$1098
Qatar Airways
Qatar Airways

Seattle

16:05

Seattle Tacoma International Airport [SEA]

Mon , 19 Jan 2026

34h 35m
ellipse
1 Stop

Kathmandu

16:25

Tribhuvan International Airport [KTM]

Wed, 21 Jan 2026

$1212
Emirates
Emirates

Seattle

16:05

Seattle Tacoma International Airport [SEA]

Wed , 21 Jan 2026

26h 30m
ellipse
1 Stop

Kathmandu

08:20

Tribhuvan International Airport [KTM]

Fri, 23 Jan 2026

$1326
Qatar Airways
Qatar Airways

Seattle

16:05

Seattle Tacoma International Airport [SEA]

Mon , 19 Jan 2026

26h 05m
ellipse
1 Stop

Kathmandu

07:55

Tribhuvan International Airport [KTM]

Wed, 21 Jan 2026

$1332
American Airlines
American Airlines

Seattle

16:05

Seattle Tacoma International Airport [SEA]

Mon , 19 Jan 2026

34h 35m
ellipse
1 Stop

Kathmandu

16:25

Tribhuvan International Airport [KTM]

Wed, 21 Jan 2026

$1651
American Airlines
American Airlines

Seattle

16:05

Seattle Tacoma International Airport [SEA]

Mon , 19 Jan 2026

26h 05m
ellipse
1 Stop

Kathmandu

07:55

Tribhuvan International Airport [KTM]

Wed, 21 Jan 2026

$2591
ellipse

Early Morning Flight Seattle to Kathmandu

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Cheapest Flight
Found
$819
group
Average Flight
Time
30h 40m
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Date/Time
21 Jan 2026
00:10 AM
plane
Airlines
EVA Air
Ellipse

Late Night Flight Seattle to Kathmandu

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Cheapest Flight
Found
$564
group
Average Flight
Time
35h 50m
calendar
Date/Time
21 Jan 2026
19:55 PM
plane
Airlines
Cathay Pacific airways