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$584+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SEA
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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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 15, 2025.

This Singapore Airlines deal was found by Cheapflights users on 12/14. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/211:00 pmKTM - SEA
1 stop21h 55mSingapore Airlines
Sat 3/78:45 amSEA - KTM
1 stop23h 20mSingapore Airlines
Deal found 12/14$1,249
This Turkish Airlines deal was found by Cheapflights users on 12/12. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/112:35 pmKTM - SEA
1 stop42h 15mTurkish Airlines
Thu 2/57:00 pmSEA - KTM
1 stop26h 25mTurkish Airlines
Deal found 12/12$1,424
This Qatar Airways deal was found by Cheapflights users on 12/12. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/15:40 pmKTM - SEA
1 stop31h 45mQatar Airways
Thu 2/58:25 amSEA - KTM
2 stops42h 15mQatar Airways
Deal found 12/12$1,508
This Expedia deal was found by Cheapflights users on 12/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/210:55 pmKTM - SEA
2 stops33h 00mMultiple Airlines
Sat 3/77:52 pmSEA - KTM
3 stops44h 58mMultiple Airlines
Deal found 12/14$1,614
This FlightHub deal was found by Cheapflights users on 12/14. 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 4/2711:00 pmKTM - SEA
1 stop23h 55mCathay Pacific
Fri 10/27:55 pmSEA - KTM
2 stops37h 05mCathay Pacific
Deal found 12/14$3,129

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 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$1,249
(Singapore Airlines)

One-way from

$584
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$1,330
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. 3% potential increase in price ($51 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
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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 15, 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 2/2

11:00 pm-7:10 am

1 stop21h 55m

Seattle/Tacoma Intl

Sat 3/7

8:45 am-9:50 pm

1 stop23h 20m

$1,249

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Sun 2/1

12:35 pm-5:05 pm

1 stop42h 15m

Seattle/Tacoma Intl

Thu 2/5

7:00 pm-11:10 am

1 stop26h 25m

$1,424

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Sun 2/1

5:40 pm-11:40 am

1 stop31h 45m

Seattle/Tacoma Intl

Thu 2/5

8:25 am-4:25 pm

2 stops42h 15m

$1,508

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Mon 2/2

10:55 pm-6:10 pm

2 stops33h 00m

Seattle/Tacoma Intl

Sat 3/7

7:52 pm-6:35 am

3 stops44h 58m

$1,614

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Mon 4/27

11:00 pm-10:10 am

1 stop23h 55m

Seattle/Tacoma Intl

Fri 10/2

7:55 pm-9:45 pm

2 stops37h 05m

$3,129

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Wed 2/11

3:00 pm-6:40 pm

3 stops41h 25m

$584

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Mon 2/16

3:10 pm-6:52 pm

3 stops41h 27m

$599

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Fri 2/13

2:30 pm-9:48 pm

3 stops45h 03m

$611

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Sat 2/14

5:30 pm-9:48 pm

3 stops42h 03m

$613

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Tue 3/3

12:20 pm-11:03 am

3 stops36h 28m

$637

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 22 results
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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 15, 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.

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 15, 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
1,186 reviews

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Boarding

8.5

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
1,186 reviews
Korean Air
8.4
Very good
1,186 reviews

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Boarding

8.5

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
3,441 reviews
Korean Air
8.4
Very good
1,186 reviews

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Boarding

8.5

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
1,413 reviews
Korean Air
8.4
Very good
1,186 reviews

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Boarding

8.5

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
4,098 reviews
Korean Air
8.4
Very good
1,186 reviews

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Boarding

8.5

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 21h 55m. Singapore Airlines provides one of the quickest options available for as low as $1,249. The distance between Kathmandu and State of Washington is about 6962 mi. This flight may include one or multiple stops.

  • 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 Korean Air from $646 and Singapore Airlines from $724 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

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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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,103Average$1,475FlexibilityNo 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%

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