Cheap flights from Seattle (SEA) to Kathmandu (KTM) from $606

SEA — KTM
Mar 27 — Apr 31

The best prices from Seattle/Tacoma Intl to Kathmandu Tribhuvan are usually found in April or May, booked 48 days in advance, depart on a Thursday or Monday and return on a Friday

How to find the cheapest flight from Seattle (SEA) to Kathmandu (KTM)

All the information you need to plan the best SEA to KTM flight in 2023: compare Seattle to Kathmandu flight prices with the expected peak season, weather and rainfall in Kathmandu.

SEA - KTM

Price

$1,307 - $1,908

KTM

Temperature

50 - 73.4 °F

KTM

Rainfall

0 - 14.6 inches

Popular inDecemberHigh demand for flights, 22% potential price rise
Cheapest inAprilBest time to find cheap flights, 12% potential price drop
Round-trip from$1,307From Seattle/Tacoma Intl to Kathmandu Tribhuvan
One-way from$734One-way flight from Seattle/Tacoma Intl to Kathmandu Tribhuvan

Cheap flights from Seattle to Kathmandu in March, April 2023

The best prices found for SEA to KTM flights for March, April

Seattle to Kathmandu 2023 flight deals

Cheap flights to Kathmandu from Seattle found for this year

Cheap Qatar Airways flights from Seattle to Kathmandu

Cheap Singapore Airlines flights from Seattle to Kathmandu

Last minute flights from Seattle to Kathmandu

Late deals on return flights to Kathmandu from Seattle, departing today and this week

One-way flights to Kathmandu from Seattle

The cheapest one-way flights from Seattle to Kathmandu

Find flights from Seattle to Kathmandu within your budget

Use the slider to find flights from Seattle to Kathmandu that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$1,169 - $1,313

Route

Depart

Return

Price

Seattle/Tacoma IntlKathmandu Tribhuvan

SEA - KTM

SEAKTM

Seattle/Tacoma Intl

2023-09-12

1 stop20h 25m

Kathmandu Tribhuvan

2023-09-16

1 stop21h 25m

Seattle/Tacoma IntlKathmandu Tribhuvan

SEA - KTM

SEAKTM

Seattle/Tacoma Intl

2023-05-17

1 stop27h 10m

Kathmandu Tribhuvan

2023-06-29

1 stop21h 25m

Seattle/Tacoma IntlKathmandu Tribhuvan

SEA - KTM

SEAKTM

Seattle/Tacoma Intl

2023-04-04

1 stop20h 25m

Kathmandu Tribhuvan

2023-05-24

1 stop21h 25m

Seattle/Tacoma IntlKathmandu Tribhuvan

SEA - KTM

SEAKTM

Seattle/Tacoma Intl

2023-09-12

2 stops26h 15m

Kathmandu Tribhuvan

2023-09-16

1 stop21h 25m

Seattle/Tacoma IntlKathmandu Tribhuvan

SEA - KTM

SEAKTM

Seattle/Tacoma Intl

2023-04-29

1 stop34h 20m

Kathmandu Tribhuvan

2023-05-25

2 stops31h 55m

Seattle/Tacoma IntlKathmandu Tribhuvan

SEA - KTM

SEAKTM

Seattle/Tacoma Intl

2023-09-12

2 stops30h 35m

Kathmandu Tribhuvan

2023-09-16

2 stops27h 25m

Seattle/Tacoma IntlKathmandu Tribhuvan

SEA - KTM

SEAKTM

Seattle/Tacoma Intl

2023-04-29

2 stops27h 15m

Kathmandu Tribhuvan

2023-05-25

2 stops32h 54m

Seattle/Tacoma IntlKathmandu Tribhuvan

SEA - KTM

SEAKTM

Seattle/Tacoma Intl

2023-09-06

3 stops47h 25m

Kathmandu Tribhuvan

2023-09-12

3 stops37h 46m

Seattle/Tacoma IntlKathmandu Tribhuvan

SEA - KTM

SEAKTM

Seattle/Tacoma Intl

2023-09-06

2 stops40h 25m

Kathmandu Tribhuvan

2023-09-12

3 stops37h 46m

Flights are sorted by cheapest first

Deals found on 3/20

Reviews of Airlines Servicing Kathmandu

Singapore Airlines
8.1
Very good
252 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

8.0

Food

7.7

Reviews

1 / 10

Check-in counter was slow. I wasn’t able to check in online due to not having more than 3 months before my passport expires (even though it wasn’t the issue with the country I was traveling to). Too many crying and screaming babies and kids on the flight.

Singapore Airlines
8.1
Very good
252 reviews
Singapore Airlines
8.1
Very good
252 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

8.0

Food

7.7

Reviews

1 / 10

Check-in counter was slow. I wasn’t able to check in online due to not having more than 3 months before my passport expires (even though it wasn’t the issue with the country I was traveling to). Too many crying and screaming babies and kids on the flight.

Qatar Airways
7.3
Good
1,137 reviews
Singapore Airlines
8.1
Very good
252 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

8.0

Food

7.7

Reviews

1 / 10

Check-in counter was slow. I wasn’t able to check in online due to not having more than 3 months before my passport expires (even though it wasn’t the issue with the country I was traveling to). Too many crying and screaming babies and kids on the flight.

Turkish Airlines
7.3
Good
1,238 reviews
Singapore Airlines
8.1
Very good
252 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

8.0

Food

7.7

Reviews

1 / 10

Check-in counter was slow. I wasn’t able to check in online due to not having more than 3 months before my passport expires (even though it wasn’t the issue with the country I was traveling to). Too many crying and screaming babies and kids on the flight.

Cathay Pacific
6.9
Okay
92 reviews
Singapore Airlines
8.1
Very good
252 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

8.0

Food

7.7

Reviews

1 / 10

Check-in counter was slow. I wasn’t able to check in online due to not having more than 3 months before my passport expires (even though it wasn’t the issue with the country I was traveling to). Too many crying and screaming babies and kids on the flight.

Related info for your journey

Useful info, stats and facts about Seattle to Kathmandu flights.

Alternative routes for Seattle to Kathmandu

See prices for flight routes from nearby airports that may be better suited for you.
Spokane to Kathmandufrom $1,067 pp

Top 5 airlines flying from Seattle to Kathmandu

The chart below displays the airlines Cheapflights users traveling from Seattle to Kathmandu choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Turkish AirlinesCheapest$903Average$1,420FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Turkish Airlines flights
Singapore AirlinesCheapest$934Average$1,291FlexibilityNo cancel feeOn-time81%COVID-19 safety
Search Singapore Airlines flights
Qatar AirwaysCheapest$1,093Average$1,453FlexibilityNo cancel feeOn-time68%COVID-19 safety
Search Qatar Airways flights
Korean AirCheapest$1,326Average$1,766FlexibilityNo cancel feeOn-time81%COVID-19 safety
Search Korean Air flights
EmiratesCheapest$1,548Average$1,817FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Emirates flights
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