Cheap flights from Seattle to Kathmandu from $517
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Kathmandu departing on 8/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Seattle to Kathmandu
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Singapore Airlines flights from Seattle to Kathmandu
Our best Singapore Airlines deals on Seattle to Kathmandu flight tickets
Qatar Airways flights from Seattle to Kathmandu
Our best Qatar Airways deals on Seattle to Kathmandu flight tickets
See travel insights to Kathmandu from
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?
The month of April is another great option to travel to Kathmandu, with average flight prices from Seattle averaging around $1,207.
What is the cheapest day to depart on your flight to Kathmandu?
According to our data, Wednesday is the cheapest day to fly to Kathmandu from Seattle. The lowest ticket price found for a Wednesday departure recently was $1,276. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Seattle to Kathmandu on a Monday will generally be more expensive and average around $1,806. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Kathmandu?
In the evening is the cheapest time of day to fly from Seattle to Kathmandu when you can find flight prices for as low as $1,258. Flying to Kathmandu in the evening is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $1,520.
What is the cheapest Seattle/Tacoma Intl to Kathmandu Tribhuvan flight route?
Fly from Seattle/Tacoma Intl to Kathmandu Tribhuvan for the best Seattle/Tacoma Intl - Kathmandu Tribhuvan flight prices
How far in advance should I book a flight to Kathmandu?
You are more likely to see cheaper flights to Kathmandu from Seattle when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Kathmandu for around $1,433 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kathmandu from Seattle for as low as $1,108 on momondo.
What cabin class options are available on Seattle/Tacoma Intl to Kathmandu Tribhuvan flights?
There are 1 cabin classes available to choose from on Seattle/Tacoma Intl to Kathmandu Tribhuvan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Kathmandu Tribhuvan?
Singapore Airlines, Qatar Airways, and EVA Air are the most popular carriers operating from Seattle/Tacoma Intl to Kathmandu Tribhuvan
What airlines fly to Kathmandu?
Qatar Airways, Singapore Airlines and Turkish Airlines are the top three most popular airlines that fly to Kathmandu from Seattle according to our data. Qatar Airways is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Kathmandu. Keep in mind that there are 6 different airlines that fly to Kathmandu on a routine basis, so you have a few additional options to choose from.
When to book flights from Seattle to Kathmandu
Cheap Seattle to Kathmandu (SEA to KTM) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Kathmandu
How far is Seattle/Tacoma Intl to Kathmandu Tribhuvan by plane?
A flight from Seattle/Tacoma Intl to Kathmandu Tribhuvan will travel around 6950.3 mi. In terms of flight time, this usually takes a little over 22h 10m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Kathmandu Tribhuvan Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Kathmandu Tribhuvan Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Kathmandu Tribhuvan Airport?
There are 6 operators available for flights from Seattle/Tacoma Intl Airport to Kathmandu Tribhuvan Airport as of April 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Kathmandu Tribhuvan Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Kathmandu Tribhuvan Airport.
What documentation or ID do you need to fly to Kathmandu Tribhuvan Airport?
The travel and health documents you'll need for your trip to Kathmandu Tribhuvan Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kathmandu Tribhuvan Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Seattle to Kathmandu?
momondo data reveals that the most frequently booked airline on the route from Seattle to Kathmandu is Qatar Airways, representing 36% of all bookings. The subsequent popular airlines are Singapore Airlines at 32%, Turkish Airlines at 23%, and Undisclosed Carrier at 5%.
Best airlines flying from Seattle to Kathmandu
Compare and see reviews for airlines that fly from Seattle to Kathmandu with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $889 | Free Cancellation | Rating 8.1 1,288 reviews | |||
| PriceFrom $1,116 | Free Cancellation | Rating 7.3 3,760 reviews | |||
| PriceFrom $1,140 | Free Cancellation | Rating 7.4 3,553 reviews | |||
| PriceFrom $1,172 | Free Cancellation | Rating 7.5 846 reviews | |||
| PriceFrom $1,688 | Free Cancellation | Rating 8.0 3,198 reviews |
Traveling to a place near Kathmandu?
Book flights to Kathmandu if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to Kathmandu?
It is quick and easy to find Seattle to Kathmandu flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Kathmandu that suits you.
Can I find flights from Seattle to Kathmandu with flexible booking policies on momondo?
momondo does allow users to show only those flights to Kathmandu from Seattle which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Seattle to Kathmandu?
momondo provides multiple filters to help you find the best flight to Kathmandu from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Seattle to Kathmandu right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Kathmandu, momondo offers a useful price alert feature which will track prices for flights to Kathmandu from Seattle and alert you when they change.