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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
China Eastern
10 Feb
SEA
5:52 am
Seattle/Tacoma Intl airport
60h 18m
3 Stops
7:55 am
+3
KTM
Kathmandu Tribhuvan airport
19 Feb
KTM
10:40 pm
Kathmandu Tribhuvan airport
52h 42m
3 Stops
1:37 pm
+2
SEA
Seattle/Tacoma Intl airport
802 USD
Singapore Airlines
03 Mar
SEA
1:00 am
Seattle/Tacoma Intl airport
45h 55m
1 Stop
12:40 pm
+2
KTM
Kathmandu Tribhuvan airport
17 Mar
KTM
3:15 am
Kathmandu Tribhuvan airport
29h 40m
2 Stops
8:10 pm
SEA
Seattle/Tacoma Intl airport
865 USD
Singapore Airlines
17 Mar
SEA
3:00 am
Seattle/Tacoma Intl airport
45h 55m
1 Stop
1:40 pm
+2
KTM
Kathmandu Tribhuvan airport
31 Mar
KTM
3:35 am
Kathmandu Tribhuvan airport
35h 40m
2 Stops
2:30 am
+1
SEA
Seattle/Tacoma Intl airport
865 USD
Singapore Airlines
05 Apr
SEA
3:40 am
Seattle/Tacoma Intl airport
21h 40m
1 Stop
2:05 pm
+1
KTM
Kathmandu Tribhuvan airport
26 Apr
KTM
3:35 am
Kathmandu Tribhuvan airport
24h 00m
1 Stop
2:50 pm
SEA
Seattle/Tacoma Intl airport
912 USD
Singapore Airlines
05 May
SEA
3:40 am
Seattle/Tacoma Intl airport
21h 40m
1 Stop
2:05 pm
+1
KTM
Kathmandu Tribhuvan airport
15 May
KTM
3:35 am
Kathmandu Tribhuvan airport
33h 15m
3 Stops
12:05 am
+1
SEA
Seattle/Tacoma Intl airport
902 USD
China Eastern
29 Nov
SEA
5:44 am
Seattle/Tacoma Intl airport
35h 26m
2 Stops
6:55 am
+2
KTM
Kathmandu Tribhuvan airport
13 Dec
KTM
10:40 pm
Kathmandu Tribhuvan airport
28h 31m
2 Stops
1:26 pm
+1
SEA
Seattle/Tacoma Intl airport
933 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
What is the cheapest month to fly to Kathmandu?
January
The cheapest time of year to fly to Kathmandu from Seattle is January. Most expensive is June
What is the cheapest day to fly to Kathmandu?
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Friday
When is the cheapest time to fly to Kathmandu?
in the morning
Seattle to Kathmandu flights are approximately 22% more expensive in the evening than in the morning
What is the cheapest airline that flies to Kathmandu?
Lufthansa
Lufthansa, Icelandair, and Asiana Airlines are the most popular carriers operating from Seattle to Kathmandu
What is the 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
When is the cheapest time to book a flight to Kathmandu?
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 (KTM - 03A)
Find info about flight duration, direct flights, and airports for your flight from Seattle to Kathmandu
| Fastest flight time | 34h 29m | The fastest flight from Seattle to Kathmandu takes 34h 29m. | |
| 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.