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Easily compare round trip flights from Seattle to Kathmandu
Below you can see the best fares for your round trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to Kathmandu by changing tabs
Quickest
Cheapest
Singapore Airlines
19 Sep
SEA
3:40 am
Seattle/Tacoma Intl airport
21h 40m
1 Stop
2:05 pm
+1
KTM
Kathmandu Tribhuvan airport
30 Sep
KTM
3:35 am
Kathmandu Tribhuvan airport
24h 00m
1 Stop
2:50 pm
SEA
Seattle/Tacoma Intl airport
871 USD
Singapore Airlines
29 Oct
SEA
3:00 am
Seattle/Tacoma Intl airport
22h 25m
1 Stop
2:10 pm
+1
KTM
Kathmandu Tribhuvan airport
27 Nov
KTM
3:40 am
Kathmandu Tribhuvan airport
23h 15m
1 Stop
1:10 pm
SEA
Seattle/Tacoma Intl airport
871 USD
Singapore Airlines
27 Oct
SEA
1:30 pm
Seattle/Tacoma Intl airport
59h 55m
2 Stops
2:10 pm
+3
KTM
Kathmandu Tribhuvan airport
27 Nov
KTM
3:40 am
Kathmandu Tribhuvan airport
23h 15m
1 Stop
1:10 pm
SEA
Seattle/Tacoma Intl airport
877 USD
Singapore Airlines
17 Oct
SEA
3:40 am
Seattle/Tacoma Intl airport
21h 40m
1 Stop
2:05 pm
+1
KTM
Kathmandu Tribhuvan airport
13 Nov
KTM
3:40 am
Kathmandu Tribhuvan airport
23h 15m
1 Stop
1:10 pm
SEA
Seattle/Tacoma Intl airport
894 USD
Singapore Airlines
19 Sep
SEA
3:40 am
Seattle/Tacoma Intl airport
21h 40m
1 Stop
2:05 pm
+1
KTM
Kathmandu Tribhuvan airport
30 Sep
KTM
3:35 am
Kathmandu Tribhuvan airport
24h 00m
1 Stop
2:50 pm
SEA
Seattle/Tacoma Intl airport
871 USD
Singapore Airlines
29 Oct
SEA
3:00 am
Seattle/Tacoma Intl airport
22h 25m
1 Stop
2:10 pm
+1
KTM
Kathmandu Tribhuvan airport
27 Nov
KTM
3:40 am
Kathmandu Tribhuvan airport
23h 15m
1 Stop
1:10 pm
SEA
Seattle/Tacoma Intl airport
871 USD
How to get the cheapest flight ticket from Seattle to Kathmandu
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
CHEAPEST MONTH TO FLY
April
The cheapest time of year to fly to Kathmandu from Seattle is April. Most expensive is December
CHEAPEST DAY TO FLY
Monday
The cheapest day of the week is typically Monday. The most expensive is typically Friday
CHEAPEST TIME TO FLY
in the Morning
Seattle to Kathmandu flights are approximately 8% more expensive in the Afternoon than in the Morning
CHEAPEST AIRLINE
Etihad Airways
Etihad Airways, China Eastern, and Singapore Airlines are the most popular carriers operating from Seattle to Kathmandu
CHEAPEST ROUTE
Seattle/Tacoma Intl - Kathmandu Tribhuvan
Fly from Seattle/Tacoma Intl to Kathmandu Tribhuvan for the best Seattle - Kathmandu flight prices
SEA
Seattle/Tacoma Intl
KTM
Kathmandu Tribhuvan
CHEAPEST TIME TO BOOK
57 days before
The cheapest time to buy a flight from Seattle to Kathmandu is approximately 57 days to departure
60
Days before departure
0
Flight information for Seattle to Kathmandu (03A - KTM)
Find info about flight duration, direct flights, and airports for your flight from Seattle to Kathmandu
Fastest flight time
22h 25m
The fastest flight from Seattle to Kathmandu takes 22h 25m.
Direct flights
None
There are no direct flights from Seattle to Kathmandu. Popular non-direct route for this connection is Seattle/Tacoma Intl - Kathmandu Tribhuvan.
Airports in Kathmandu
1 airport
There is 1 airport near Kathmandu: Kathmandu Tribhuvan (KTM)
Alternative routes for Seattle to Kathmandu
Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Round trip flights to other destinations
Lost the lust for Kathmandu? Check out some flights to other destinations
*Flight prices to Kathmandu are based on prices for economy tickets found by momondo users during searches within the last 72 hours. These prices may no longer be available.