Cheap Flights from Seattle (SEA) to Kathmandu (KTM)

You can find one-way and return flights from SEA to KTM with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SEA to KTM ticket fares go up or down.

The cheapest months to fly from SEA to KTM are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

Enter SEA to KTM and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

To find a cheap flight from Seattle, WA (SEA) to Kathmandu (KTM), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

There are approximately 66 connecting flights per day from Seattle - Tacoma Intl. (SEA) to Tribhuvan Intl. (KTM). Some common connection points include San Francisco Intl. (SFO), Los Angeles Intl. (LAX), and Heathrow (LHR).

The earliest flight from Seattle - Tacoma Intl. (SEA) to Tribhuvan Intl. (KTM) typically departs around 12:05 AM. This flight is operated by Alaska Airlines and Air India. This is a seasonal service, active in May and June. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll typically find the most flights from Seattle - Tacoma Intl. (SEA) to Tribhuvan Intl. (KTM) on a Thursday, with around 66 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Alaska Airlines, Qatar Airways, and United. Flight schedules are fairly consistent throughout the week, so you'll have plenty of options regardless of the day you choose to fly.

The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Tribhuvan Intl. (KTM) are in the afternoon, from 3pm to 6pm. Many major carriers, including Emirates, Qatar Airways and United, offer flights during this window. Many travellers prefer this time as it allows for a full day of activities before heading to the airport, and you'll arrive at your destination refreshed.

There are no nonstop flights from Seattle - Tacoma Intl. (SEA) to Kathmandu (KTM-Tribhuvan Intl.). The distance between these two airports is approximately 11,212 kilometres. Flights with one stop typically take around 22 hours and 30 minutes. If you opt for flights with two or more stops, your travel time will be longer, usually around 24 hours and 30 minutes. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and wind patterns.

You can fly business class between SEA and KTM. Airlines that offer business class service on this route include:

* Alaska Airlines
* Singapore Airlines
* Korean Air
* American Airlines
* Hawaiian Airlines
* Delta
* United
* British Airways
* Turkish Airlines
* Cathay Pacific
* Qatar Airways
* Japan Airlines
* Emirates
* Skywest Air
* China Airlines

It's easy to earn miles on a Seattle, WA (SEA) to Kathmandu (KTM) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to Kathmandu from Seattle - Tacoma Intl. (SEA), you can fly directly into Tribhuvan Intl. (KTM). Some flights may connect through major hubs like San Francisco Intl. (SFO), Heathrow (LHR), or Los Angeles Intl. (LAX) before reaching Kathmandu. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Seattle, WA (SEA) to Kathmandu (KTM) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Seattle, WA (SEA) to Kathmandu (KTM) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Seattle, WA (SEA) to Kathmandu (KTM) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.