Cheap flights from Kathmandu to Seattle from $650
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kathmandu to Seattle departing on 6/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Kathmandu to Seattle
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 typical price of a round-trip flight between Kathmandu and Seattle?
What is the cheapest month to fly to Seattle?
In general, October is the cheapest month to fly from Kathmandu to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,343. If you don’t want to visit Seattle in October, then you should wait until March to fly from Kathmandu, when ticket prices are also cheap, with an average price of $1,455.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Kathmandu is on a Saturday. momondo users have found tickets for Saturday departures for as low as $1,463. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Kathmandu because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,978.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Kathmandu in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,411 when looking at flights departing in the morning. Flights to Seattle are more costly at noon, with an average ticket price of $2,090. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
Can stopping save me money on Kathmandu to Seattle flights?
You could potentially save up to 5% on your flight if you consider stops on a Kathmandu to Seattle flight.
What is the cheapest airline that flies from Kathmandu Tribhuvan to Seattle/Tacoma Intl?
Turkish Airlines, Qatar Airways, and Singapore Airlines are the most popular carriers operating from Kathmandu Tribhuvan to Seattle/Tacoma Intl
What airlines fly to Seattle?
Singapore Airlines, Emirates and Turkish Airlines are the top three most popular airlines that fly to Seattle from Kathmandu according to our data. Singapore Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 5 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
When to book flights from Kathmandu to Seattle
Cheap Kathmandu to Seattle (KTM to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Kathmandu to Seattle
How far is Kathmandu Tribhuvan to Seattle/Tacoma Intl by plane?
The distance between Kathmandu Tribhuvan and Seattle/Tacoma Intl is about 6950.3 mi. Flights usually cover this in 22h 20m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Kathmandu Tribhuvan Airport to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Seattle/Tacoma Intl Airport?
There are 5 operators available for flights from Kathmandu Tribhuvan Airport to Seattle/Tacoma Intl Airport as of June 2025.
How old do you have to be to fly from Kathmandu Tribhuvan Airport to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kathmandu Tribhuvan Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Kathmandu to Seattle?
Based on momondo bookings for flights between Kathmandu and Seattle, the leading airline is Singapore Airlines, making up 41% of the total bookings. Other popular airlines include Emirates with 21%, Turkish Airlines with 17%, and Qatar Airways with 14%.
Best airlines flying from Kathmandu to Seattle
Compare and see reviews for airlines that fly from Kathmandu to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $1,103 | Free Cancellation | Rating 8.1 1,302 reviews | |||
| PriceFrom $1,174 | Free Cancellation | Rating 8.4 1,088 reviews | |||
| PriceFrom $1,313 | Free Cancellation | Rating 7.3 3,848 reviews | |||
| PriceFrom $1,598 | Free Cancellation | Rating 8.1 3,264 reviews | |||
| PriceFrom $1,658 | Free Cancellation | Rating 7.4 3,584 reviews |
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Why should I use momondo to find a flight deal from Kathmandu to Seattle?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Kathmandu to Seattle. momondo saves you time and could save you money on your trip.
Can I find flights from Kathmandu to Seattle with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Kathmandu to Seattle flights to just show those with flexible booking policies.
How can momondo help me find flights from Kathmandu to Seattle?
momondo helps you find the best flight between Kathmandu and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Kathmandu to Seattle right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Kathmandu to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.