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CA $1,138 Cheap Flights from Kathmandu (KTM) to Seattle (SEA)

View CA $1,138 flight on Sat, Sep 5, 2026Opens in a new window

Popular airlines from Tribhuvan Intl. Airport (KTM) to Seattle-Tacoma International Airport (SEA)

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

Prices were available within the past 7 days and start at CA $1,138 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find one-way and return flights from KTM to SEA 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 KTM to SEA ticket fares go up or down.
What is the cheapest month to fly from Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The cheapest months to fly from KTM to SEA 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.
Which airlines fly direct from Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter KTM to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Qatar Airways is one of the cheapest airlines offering connecting return flights from Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with prices starting from around CA$1814 for flights that can be booked for departure within the next year. These flights typically include a layover in Hamad Intl. (DOH). Prices are per adult in economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), 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.
What is the best time to fly from Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
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.
How many flights per day from Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 15 connecting flights per day from Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Some common connection points include Indira Gandhi Intl. (DEL), Hong Kong Intl. (HKG), and Hamad Intl. (DOH).
What is the earliest flight from Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs around 12:20 AM local time. This flight is operated by flydubai and Emirates. This is a seasonal service, active in September and October. 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.
What day of the week has the most flights from Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll typically find the most flights from Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) on a Tuesday, with around 16 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include flydubai, Air India, and Qatar Airways. Flight schedules are fairly consistent throughout the week, so you'll have plenty of options no matter which day you choose to fly.
What are the most popular departure times for flights from Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are in the late evening, from 9pm to midnight. Many major carriers, including Cathay Pacific, Singapore Airlines and Air India, offer flights during this window. Many travelers prefer this timing because it allows you to maximize your day in Kathmandu before your flight, and you'll arrive in Seattle ready to start your day.
How long does it take to fly from Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are no nonstop flights from Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). The journey covers a distance of approximately 11,212 kilometres. Flights with one stop typically take around 22 hours, while flights with two or more stops usually take a bit longer, averaging about 25 hours. Keep in mind that actual travel times can vary depending on your specific routing, layover durations, and factors like wind patterns.
Can you fly business or first class from Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Yes, you can fly business class between Kathmandu (KTM) and Seattle, WA (SEA).Airlines that offer business class service on this route include:
  • Turkish Airlines
  • Korean Air
  • Cathay Pacific
  • flydubai
  • Biman Bangladesh
  • Qatar Airways
  • Air India

How do I earn miles on a Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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.
What airports do you fly into for Seattle, WA (SEA) from Kathmandu (KTM)?
If you're planning to travel to Seattle from Tribhuvan Intl. (KTM), you can fly directly into Seattle - Tacoma Intl. (SEA) which offers international flights and connections. Some flights may connect through major hubs like Indira Gandhi Intl. (DEL), Hong Kong Intl. (HKG), or Hamad Intl. (DOH) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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.
Is it cheaper to book a Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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.
Can I cancel or change the date of my flight from Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Kathmandu (KTM-Tribhuvan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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.

Travel information

Origin airport
Tribhuvan Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
11146 km

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Kathmandu to Seattle Flights

The easy way to book your flights from Kathmandu to Seattle 

With Expedia, it’s simple to find and book flights to Seattle from Kathmandu whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 18 airlines that cover this route. There are nonstop flights to Seattle - Tacoma Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Kathmandu to Seattle today, tomorrow, or this week.  

 

Save dollars with cheap flights from Tribhuvan Intl., KTM to Seattle - Tacoma Intl., SEA 

Sort your search results by price to find great deals on your flight from Kathmandu to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Kathmandu currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Seattle  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Seattle from Kathmandu 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today.

Kathmandu to Seattle Flights

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