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$604+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SEA
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Kathmandu to Washington

Cheapest flights from Kathmandu to Washington
Explore the most affordable flight options available from Kathmandu to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Trip.com deal was found by Cheapflights users on 1/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1910:55 pm
KTM
-
SEA
2 stops56h 20m
Multiple Airlines
Tue 9/1510:15 am
SEA
-
KTM
1 stop22h 30m
Multiple Airlines
Deal found 1/28$1,183
This Trip.com deal was found by Cheapflights users on 1/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/610:55 pm
KTM
-
SEA
2 stops33h 00m
Multiple Airlines
Sat 2/2812:10 am
SEA
-
KTM
2 stops31h 35m
Multiple Airlines
Deal found 1/27$1,259
This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:50 pm
KTM
-
PDX
2 stops30h 45m
Multiple Airlines
Sat 7/185:34 pm
PDX
-
KTM
2 stops39h 11m
Multiple Airlines
Deal found 1/27$1,429
This FlightHub deal was found by Cheapflights users on 1/27. 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.
Fri 2/65:40 pm
KTM
-
SEA
1 stop31h 45m
Qatar Airways
Sun 3/14:05 pm
SEA
-
KTM
1 stop34h 35m
Qatar Airways
Deal found 1/27$1,493
This Qatar Airways deal was found by Cheapflights users on 1/28. 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.
Fri 2/207:05 pm
KTM
-
SEA
1 stop30h 20m
Qatar Airways
Fri 3/64:05 pm
SEA
-
KTM
1 stop36h 00m
Qatar Airways
Deal found 1/28$1,697
This Cathay Pacific deal was found by Cheapflights users on 1/28. 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.
Fri 2/2010:55 pm
KTM
-
SEA
2 stops31h 50m
Multiple Airlines
Fri 3/65:50 pm
SEA
-
KTM
2 stops37h 55m
Multiple Airlines
Deal found 1/28$1,775
This SWISS deal was found by Cheapflights users on 1/27. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:10 pm
KTM
-
PDX
3 stops37h 58m
SWISS
Sat 7/1811:07 am
PDX
-
KTM
3 stops54h 43m
SWISS
Deal found 1/27$2,646

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,183
(Trip.com)

One-way from

$604
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$2,591
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. 8% potential increase in price ($143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($100 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 29, 2026.
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

Thu 3/19

10:55 pm-6:30 pm

2 stops56h 20m

Seattle/Tacoma Intl

Tue 9/15

10:15 am-9:30 pm

1 stop22h 30m

$1,183

KathmanduPortland

KTM - PDX

KTMPDX

Kathmandu Tribhuvan

Thu 5/28

10:50 pm-4:50 pm

2 stops30h 45m

Portland

Sat 7/18

5:34 pm-9:30 pm

2 stops39h 11m

$1,429

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Fri 2/20

7:05 pm-11:40 am

1 stop30h 20m

Seattle/Tacoma Intl

Fri 3/6

4:05 pm-5:50 pm

1 stop36h 00m

$1,697

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Fri 2/20

10:55 pm-5:00 pm

2 stops31h 50m

Seattle/Tacoma Intl

Fri 3/6

5:50 pm-9:30 pm

2 stops37h 55m

$1,775

KathmanduPortland

KTM - PDX

KTMPDX

Kathmandu Tribhuvan

Thu 5/28

9:10 pm-10:23 pm

3 stops37h 58m

Portland

Sat 7/18

11:07 am-6:35 am

3 stops54h 43m

$2,646

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Thu 3/12

10:55 pm-10:43 pm

2 stops36h 33m

Seattle/Tacoma Intl

Fri 5/1

7:06 pm-9:45 pm

2 stops37h 54m

$2,744

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Thu 3/12

9:20 am-1:35 pm

1 stop41h 00m

Seattle/Tacoma Intl

Fri 5/1

5:15 pm-8:00 am

1 stop26h 00m

$5,369

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Mon 6/15

3:00 pm-8:05 pm

2 stops41h 50m

$604

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Sun 3/8

12:20 pm-4:09 pm

2 stops41h 34m

$611

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Wed 6/17

3:00 pm-8:05 pm

2 stops41h 50m

$627

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 20 results
1
2

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

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 January 29, 2026.
Read reviews from past customers who have flown Singapore Airlines, Emirates, and Turkish Airlines from Kathmandu to Washington. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very good
1,440 reviews

Overall

8.2

Food

7.8

Boarding

8.3

Comfort

8.0

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Singapore Airlines
8.2
Very good
1,440 reviews
Singapore Airlines
8.2
Very good
1,440 reviews

Overall

8.2

Food

7.8

Boarding

8.3

Comfort

8.0

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Emirates
8.1
Very good
3,490 reviews
Singapore Airlines
8.2
Very good
1,440 reviews

Overall

8.2

Food

7.8

Boarding

8.3

Comfort

8.0

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Turkish Airlines
7.3
Good
4,208 reviews
Singapore Airlines
8.2
Very good
1,440 reviews

Overall

8.2

Food

7.8

Boarding

8.3

Comfort

8.0

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

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 37h 58m. SWISS provides one of the quickest options available for as low as $2,646. The distance between Kathmandu and State of Washington is about 7073 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 Qatar Airways from $733 one-way.

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

    Most travelers choose Kathmandu Tribhuvan - Spokane, Kathmandu Tribhuvan - Seattle/Tacoma Intl 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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Alternative routes for Kathmandu to Washington

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Top 3 airlines flying from Kathmandu to Washington

Discover the top 3 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$941Average$1,455FlexibilityNo cancel feeOn-time77%
Singapore AirlinesCheapest$1,102Average$1,462FlexibilityNo cancel feeOn-time81%
EmiratesCheapest$1,717Average$1,744FlexibilityNo cancel feeOn-time75%

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