HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington

$621+ Cheap flights from Kathmandu (KTM) to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SEA
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kathmandu to Washington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Kathmandu to Washington

Best flights from Kathmandu to Washington
Discover carefully curated flight deals from Kathmandu to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 21, 2025.

This FlightHub deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:00 pmKTM - SEA
1 stop23h 55mCathay Pacific
Wed 5/1311:50 amSEA - KTM
1 stop21h 10mCathay Pacific
Deal found 12/19$1,284
This Justfly.com deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/181:45 pmKTM - SEA
2 stops36h 35mMultiple Airlines
Wed 7/155:15 pmSEA - KTM
1 stop26h 00mMultiple Airlines
Deal found 12/18$1,482
This CheapOair deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1810:55 pmKTM - SEA
2 stops35h 37mCathay Pacific
Wed 7/151:13 pmSEA - KTM
2 stops43h 47mCathay Pacific
Deal found 12/18$1,711
This Cathay Pacific deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:00 pmKTM - SEA
1 stop23h 55mCathay Pacific
Mon 11/210:50 amSEA - KTM
1 stop20h 55mCathay Pacific
Deal found 12/19$3,474
This FlightHub deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:00 pmKTM - SEA
2 stops44h 49mCathay Pacific
Sun 11/18:41 amSEA - KTM
2 stops47h 04mCathay Pacific
Deal found 12/20$3,481
This Cathay Pacific deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:00 pmKTM - SEA
1 stop23h 55mCathay Pacific
Sat 10/318:41 amSEA - KTM
2 stops48h 04mCathay Pacific
Deal found 12/19$3,492
This Cathay Pacific deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:00 pmKTM - SEA
1 stop23h 55mCathay Pacific
Fri 10/308:41 amSEA - KTM
2 stops48h 04mCathay Pacific
Deal found 12/19$3,492
This Cathay Pacific deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:00 pmKTM - SEA
1 stop23h 55mCathay Pacific
Sun 11/18:41 amSEA - KTM
2 stops47h 04mCathay Pacific
Deal found 12/19$3,492
This Cathay Pacific deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:00 pmKTM - SEA
1 stop23h 55mCathay Pacific
Mon 11/28:41 amSEA - KTM
2 stops47h 04mCathay Pacific
Deal found 12/19$3,492
This Cathay Pacific deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:00 pmKTM - SEA
1 stop23h 55mCathay Pacific
Sat 10/318:41 amSEA - KTM
2 stops48h 04mCathay Pacific
Deal found 12/19$3,492
This Cathay Pacific deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:00 pmKTM - SEA
1 stop23h 55mCathay Pacific
Fri 10/308:41 amSEA - KTM
2 stops48h 04mCathay Pacific
Deal found 12/19$3,492

Find flight deals from Kathmandu to Washington

Keep the following information in mind while searching for Kathmandu to Washington flight deals. Data was last updated December 21, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$1,245
(Gotogate)

One-way from

$621
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$1,377
Provider with most accurate pricing for Kathmandu Tribhuvan-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kathmandu Tribhuvan-Seattle/Tacoma Intl flights.
Search Deals
From Kathmandu Tribhuvan to Washington
Search Deals
One-way flight from Kathmandu Tribhuvan to Washington
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kathmandu to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 21, 2025.
Use the filters below to find and compare flights from Kathmandu to Washington that are best for you.

Fly from

Kathmandu

Fly to

Washington

Route

Depart

Return

Price

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Mon 4/13

11:00 pm-10:10 am

1 stop23h 55m

Seattle/Tacoma Intl

Wed 5/13

11:50 am-9:45 pm

1 stop21h 10m

$1,284

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Wed 2/18

1:45 pm-12:35 pm

2 stops36h 35m

Seattle/Tacoma Intl

Wed 7/15

5:15 pm-8:00 am

1 stop26h 00m

$1,482

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Wed 2/18

10:55 pm-8:47 pm

2 stops35h 37m

Seattle/Tacoma Intl

Wed 7/15

1:13 pm-9:45 pm

2 stops43h 47m

$1,711

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Tue 4/21

11:00 pm-10:10 am

1 stop23h 55m

Seattle/Tacoma Intl

Mon 11/2

10:50 am-9:30 pm

1 stop20h 55m

$3,474

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Thu 4/23

11:00 pm-7:04 am

2 stops44h 49m

Seattle/Tacoma Intl

Sun 11/1

8:41 am-9:30 pm

2 stops47h 04m

$3,481

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Wed 4/22

11:00 pm-10:10 am

1 stop23h 55m

Seattle/Tacoma Intl

Sat 10/31

8:41 am-9:30 pm

2 stops48h 04m

$3,492

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Wed 4/22

11:00 pm-10:10 am

1 stop23h 55m

Seattle/Tacoma Intl

Fri 10/30

8:41 am-9:30 pm

2 stops48h 04m

$3,492

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Tue 4/21

11:00 pm-10:10 am

1 stop23h 55m

Seattle/Tacoma Intl

Sun 11/1

8:41 am-9:30 pm

2 stops47h 04m

$3,492

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Wed 4/22

11:00 pm-10:10 am

1 stop23h 55m

Seattle/Tacoma Intl

Mon 11/2

8:41 am-9:30 pm

2 stops47h 04m

$3,492

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Tue 4/21

11:00 pm-10:10 am

1 stop23h 55m

Seattle/Tacoma Intl

Sat 10/31

8:41 am-9:30 pm

2 stops48h 04m

$3,492

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 24 results
1
2
3

Best time to book a flight from Kathmandu to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Kathmandu with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kathmandu to Washington

What is the cheapest time of day to fly from KTM to WA?

Find hourly flight availability from Kathmandu to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 21, 2025.

It’s optimal to fly from Kathmandu to State of Washington in the morning. By choosing this option you can save up to 37% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost to fly round-trip from Kathmandu to State of Washington?

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated December 21, 2025.
Read reviews from past customers who have flown Korean Air, Emirates, and Singapore Airlines from Kathmandu to Washington. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,185 reviews

Crew

8.7

Overall

8.4

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,185 reviews
Korean Air
8.4
Very good
1,185 reviews

Crew

8.7

Overall

8.4

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Emirates
8.1
Very good
3,439 reviews
Korean Air
8.4
Very good
1,185 reviews

Crew

8.7

Overall

8.4

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Singapore Airlines
8.1
Very good
1,414 reviews
Korean Air
8.4
Very good
1,185 reviews

Crew

8.7

Overall

8.4

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Turkish Airlines
7.3
Good
4,107 reviews
Korean Air
8.4
Very good
1,185 reviews

Crew

8.7

Overall

8.4

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Kathmandu to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Kathmandu to Washington?

    For a flight from Kathmandu to Washington, you will be flying from Tribhuvan. Kathmandu Tribhuvan (KTM) is just 2.5 mi from the center of the city.

  • How long is the flight from Kathmandu to State of Washington?

    A quick flight from Kathmandu to State of Washington can take about 23h 55m. Cathay Pacific provides one of the quickest options available for as low as $1,284. The distance between Kathmandu and State of Washington is about 6962 mi.

  • What are the cheapest airlines to fly from Kathmandu to State of Washington one-way?

    One-way options have recently been found by users for as low as $563 on Turkish Airlines. Other airlines that offer cheap prices include Singapore Airlines from $572 and Korean Air from $646 one-way.

  • What are the most popular routes from Kathmandu to State of Washington?

    Most travelers choose Kathmandu Tribhuvan - Seattle/Tacoma Intl, Kathmandu Tribhuvan - Spokane or Kathmandu Tribhuvan - Portland when deciding on the best route from Kathmandu to State of Washington.

  • Can I find deals for flights from Kathmandu to Washington that include hotel bookings?

    Yes. In addition to deals on Kathmandu to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kathmandu to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kathmandu to Washington.

  • Can I find deals for business class flights from Kathmandu to Washington?

    Yes. Cheapflights offers flight deals from Kathmandu to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kathmandu to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Kathmandu to Dallas/Fort Worth flights
Kathmandu to John F Kennedy Intl flights
Kathmandu to Newark flights
Kathmandu to LaGuardia flights
Kathmandu to Dulles Intl flights
Kathmandu to Reagan-National flights
Kathmandu to Los Angeles flights
Kathmandu to O'Hare Intl flights
Kathmandu to Baltimore flights
Kathmandu to San Francisco flights
Kathmandu to Boston flights
Kathmandu to Lexington flights
Kathmandu to Ontario flights
Kathmandu to Seattle flights
Kathmandu to Denver flights
Kathmandu to Hobby flights
Kathmandu to Miami flights
Kathmandu to Raleigh flights
Kathmandu to Philadelphia flights
Kathmandu to Dayton flights
Kathmandu to Minneapolis flights
Kathmandu to Fort Lauderdale flights
Kathmandu to Orlando flights
Kathmandu to Newport News flights
Kathmandu to Melbourne flights
Kathmandu to Louisville flights
Kathmandu to Omaha flights
Kathmandu to Salt Lake City flights
Kathmandu to Stewart flights
Kathmandu to Atlanta flights
Kathmandu to Portland flights
Kathmandu to Pittsburgh flights
Kathmandu to Reno flights
Kathmandu to South Bend flights
Kathmandu to Springfield flights
Kathmandu to San Jose flights
Kathmandu to Tulsa flights
Kathmandu to Knoxville flights
Kathmandu to Grand Rapids flights
Kathmandu to Albuquerque flights
Kathmandu to Albany flights
Kathmandu to Kalamazoo flights
Kathmandu to Charlotte flights
Kathmandu to Cincinnati flights
Kathmandu to Love Field flights

Top 4 airlines flying from Kathmandu to Washington

Discover the top 4 airlines that operate flights from Kathmandu to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,103Average$1,464FlexibilityNo cancel feeOn-time81%
Korean AirCheapest$1,191Average$1,281FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$1,313Average$1,455FlexibilityNo cancel feeOn-time77%
EmiratesCheapest$1,717Average$1,744FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.