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$581+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — SEA
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap 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 8, 2026.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$1,190
(Korean Air)

One-way from

$581
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$2,591
Provider with most accurate pricing for Kathmandu Tribhuvan-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Kathmandu Tribhuvan-Seattle/Tacoma Intl flights.
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From Kathmandu Tribhuvan to Washington
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One-way flight from Kathmandu Tribhuvan to Washington
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Highest demand for flights based on searches. 8% potential increase in price ($152 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($100 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 8, 2026.

This Orbitz deal was found by Cheapflights users on 1/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:00 pmKTM - SEA
2 stops23h 02mMultiple Airlines
Sat 7/117:20 pmSEA - KTM
2 stops37h 40mMultiple Airlines
Deal found 1/6$989
This Korean Air deal was found by Cheapflights users on 1/7. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/277:20 pmKTM - SEA
1 stop27h 25mKorean Air
Thu 4/3012:50 pmSEA - KTM
1 stop39h 15mKorean Air
Deal found 1/7$1,190
This FlightHub deal was found by Cheapflights users on 1/6. 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.
Tue 7/710:50 pmKTM - SEA
1 stop46h 40mSingapore Airlines
Sat 7/1110:15 amSEA - KTM
1 stop46h 30mSingapore Airlines
Deal found 1/6$1,263
This KLM deal was found by Cheapflights users on 1/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/275:10 pmKTM - SEA
2 stops32h 25mKLM
Thu 4/301:45 pmSEA - KTM
2 stops35h 35mKLM
Deal found 1/7$1,294
This Korean Air deal was found by Cheapflights users on 1/7. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:20 pmKTM - PDX
2 stops34h 35mKorean Air
Sun 5/37:58 pmPDX - KTM
2 stops32h 07mKorean Air
Deal found 1/7$1,313
This Trip.com deal was found by Cheapflights users on 1/6. 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.
Wed 2/1810:50 amKTM - SEA
2 stops39h 30mMultiple Airlines
Thu 3/125:05 pmSEA - KTM
2 stops28h 00mMultiple Airlines
Deal found 1/6$1,313
This Korean Air deal was found by Cheapflights users on 1/7. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:20 pmKTM - PDX
2 stops34h 35mKorean Air
Wed 4/297:58 pmPDX - KTM
2 stops56h 07mKorean Air
Deal found 1/7$1,315
This FlightHub deal was found by Cheapflights users on 1/7. 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.
Tue 1/279:10 amKTM - SEA
2 stops45h 17mQatar Airways
Thu 4/304:30 pmSEA - KTM
1 stop26h 40mQatar Airways
Deal found 1/7$1,319
This FlightHub deal was found by Cheapflights users on 1/6. 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.
Wed 2/1811:00 pmKTM - SEA
1 stop45h 55mSingapore Airlines
Thu 3/129:45 amSEA - KTM
1 stop47h 20mSingapore Airlines
Deal found 1/6$1,341
This oojo deal was found by Cheapflights users on 1/6. 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.
Sat 10/1710:50 pmKTM - SEA
1 stop22h 40mSingapore Airlines
Sat 11/148:45 amSEA - KTM
1 stop47h 10mSingapore Airlines
Deal found 1/6$1,354
This Singapore Airlines deal was found by Cheapflights users on 1/6. 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.
Sat 10/1710:50 pmKTM - SEA
1 stop22h 40mMultiple Airlines
Sat 11/141:40 pmSEA - KTM
2 stops42h 15mMultiple Airlines
Deal found 1/6$1,360
This oojo deal was found by Cheapflights users on 1/7. 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.
Sun 2/2212:35 pmKTM - SEA
1 stop42h 15mTurkish Airlines
Sun 3/17:00 pmSEA - KTM
1 stop26h 25mTurkish Airlines
Deal found 1/7$1,369

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 8, 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

Tue 7/7

11:00 pm-9:17 am

2 stops23h 02m

Seattle/Tacoma Intl

Sat 7/11

7:20 pm-9:45 pm

2 stops37h 40m

$989

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Tue 1/27

7:20 pm-9:00 am

1 stop27h 25m

Seattle/Tacoma Intl

Thu 4/30

12:50 pm-4:50 pm

1 stop39h 15m

$1,190

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Tue 7/7

10:50 pm-8:45 am

1 stop46h 40m

Seattle/Tacoma Intl

Sat 7/11

10:15 am-9:30 pm

1 stop46h 30m

$1,263

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Tue 1/27

5:10 pm-11:50 am

2 stops32h 25m

Seattle/Tacoma Intl

Thu 4/30

1:45 pm-2:05 pm

2 stops35h 35m

$1,294

KathmanduPortland

KTM - PDX

KTMPDX

Kathmandu Tribhuvan

Tue 3/3

7:20 pm-8:40 pm

2 stops39h 05m

Portland

Thu 4/30

6:30 am-4:50 pm

2 stops45h 35m

$1,313

KathmanduPortland

KTM - PDX

KTMPDX

Kathmandu Tribhuvan

Tue 3/3

7:20 pm-4:10 pm

2 stops34h 35m

Portland

Sat 5/2

4:41 pm-4:50 pm

2 stops59h 24m

$1,315

KathmanduPortland

KTM - PDX

KTMPDX

Kathmandu Tribhuvan

Tue 3/3

7:20 pm-4:10 pm

2 stops34h 35m

Portland

Wed 4/29

7:58 pm-4:50 pm

2 stops56h 07m

$1,315

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Tue 1/27

9:10 am-4:42 pm

2 stops45h 17m

Seattle/Tacoma Intl

Thu 4/30

4:30 pm-7:55 am

1 stop26h 40m

$1,319

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Wed 2/18

11:00 pm-7:10 am

1 stop45h 55m

Seattle/Tacoma Intl

Thu 3/12

9:45 am-9:50 pm

1 stop47h 20m

$1,341

KathmanduSeattle

KTM - SEA

KTMSEA

Kathmandu Tribhuvan

Sun 2/22

12:35 pm-5:05 pm

1 stop42h 15m

Seattle/Tacoma Intl

Sun 3/1

7:00 pm-11:10 am

1 stop26h 25m

$1,369

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 45 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
No data available for this route at this time. Please check back soon.

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 8, 2026.
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
1,188 reviews

Boarding

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Overall

8.4

Entertainment

8.2

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
1,188 reviews
Korean Air
8.4
Very good
1,188 reviews

Boarding

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Overall

8.4

Entertainment

8.2

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
3,462 reviews
Korean Air
8.4
Very good
1,188 reviews

Boarding

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Overall

8.4

Entertainment

8.2

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
1,429 reviews
Korean Air
8.4
Very good
1,188 reviews

Boarding

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Overall

8.4

Entertainment

8.2

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
4,150 reviews
Korean Air
8.4
Very good
1,188 reviews

Boarding

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Overall

8.4

Entertainment

8.2

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 27h 25m. Korean Air provides one of the quickest options available for as low as $1,190. 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 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 - Portland, Kathmandu Tribhuvan - Spokane or Kathmandu Tribhuvan - Seattle/Tacoma Intl 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.

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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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,103Average$1,463FlexibilityNo 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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